WO2021036611A1 - Online temperature monitoring system for deep well-type grounding electrode - Google Patents
- ️Thu Mar 04 2021
WO2021036611A1 - Online temperature monitoring system for deep well-type grounding electrode - Google Patents
Online temperature monitoring system for deep well-type grounding electrode Download PDFInfo
-
Publication number
- WO2021036611A1 WO2021036611A1 PCT/CN2020/103913 CN2020103913W WO2021036611A1 WO 2021036611 A1 WO2021036611 A1 WO 2021036611A1 CN 2020103913 W CN2020103913 W CN 2020103913W WO 2021036611 A1 WO2021036611 A1 WO 2021036611A1 Authority
- WO
- WIPO (PCT) Prior art keywords
- temperature
- optical cable
- cable
- calibration
- monitoring system Prior art date
- 2019-08-30
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 57
- 239000013307 optical fiber Substances 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000009529 body temperature measurement Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/3206—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Definitions
- the invention relates to the technical field of temperature monitoring, in particular to a deep-well type ground electrode temperature online monitoring system.
- HVDC transmission As a new type of power transmission, HVDC transmission is widely used in the field of power transmission.
- the current routine monitoring of the operating parameters of the ground electrode of the DC converter station almost entirely relies on manual collection, with low automation, few monitoring points, and delayed event alarms.
- the need for real-time monitoring of the temperature of the full depth of the grounding electrode is more urgent.
- DTS Distributed optical fiber temperature measurement technology directly uses distributed optical cables as sensing elements. It has the advantages of distributed measurement, long-distance testing, easy installation and long-term stability. It has been widely used in fire protection, cable temperature measurement, and concrete measurement. Temperature and leakage monitoring and other fields.
- the present invention is based on the superior performance of distributed optical fiber temperature measurement technology. It is used in the real-time online monitoring project of the temperature of the deep well type earth electrode well, which can timely and accurately find the temperature abnormality at every point in the full depth of the deep well earth electrode. Circumstance, and pass the alarm information to the staff.
- the embodiment of the present invention provides a deep well type ground electrode temperature online monitoring system, which can realize long-term and stable real-time online temperature monitoring of the deep well ground electrode.
- the first embodiment of the present invention provides a deep-well ground electrode temperature online monitoring system, including: a temperature measuring optical cable extending downhole, a temperature demodulator for analyzing temperature data according to optical signals, a communication optical cable, and temperature calibration Optical fiber grating thermometer, temperature calibration box for temperature calibration, temperature calibration fiber optic cable, wireless transmitter module, power supply module and processor;
- One end of the temperature measuring cable extending downhole is connected to the fiber grating thermometer, the other end of the temperature measuring cable extends out of the wellhead and is connected to one end of the temperature calibration cable; the other end of the temperature calibration cable is connected to the One end of the communication optical cable is connected; the temperature calibration optical cable is placed in the temperature calibration box; the other end of the communication optical cable is connected to the temperature demodulator; the wireless transmitting module is connected to the temperature demodulator ;
- the power supply module performs power supply;
- the processor is mounted on a computing device terminal; the computing device terminal is also equipped with a wireless receiving module, and a calculation program executed by the processor for receiving signals sent by the wireless transmitting module is stored.
- the temperature measuring optical cable is a non-metallic high-strength bored temperature measuring optical cable.
- the non-metal high-strength borehole temperature measurement optical fiber cable is a multi-core single-mode distributed temperature measurement optical cable or a multi-core multi-mode distributed temperature measurement optical cable.
- the temperature calibration box includes a water bath; the temperature calibration optical cable in a coiled state is placed in the water bath.
- the temperature demodulator is a distributed temperature demodulator.
- the power supply module includes a solar and wind power supply complementary power supply module.
- a deep-well type ground electrode temperature online monitoring system provided by the embodiment of the present invention has the following beneficial effects:
- the full-depth temperature monitoring of the electrode well is realized by the temperature measuring optical cable.
- the non-metal high-strength borehole temperature measuring optical cable has excellent mechanical strength against compression and tension, and is suitable for measurement under high voltage, strong magnetic field and deep drilling environment. Temperature; through the calibration at both ends of the temperature measurement optical cable, high-precision temperature collection is achieved; through the real-time data transmission of the wireless transmitter module, real-time online monitoring with high automation, high precision and long-term stability is realized, so that it can be based on temperature data
- the formation of a database is conducive to the query, comparison and analysis of historical data, as well as monitoring, early warning and warning.
- FIG. 1 is a schematic structural diagram of a deep-well type ground electrode temperature online monitoring system provided by Embodiment 1 of the present invention.
- FIG. 2 is a schematic structural diagram of a deep-well type ground electrode temperature online monitoring system provided by a specific embodiment of the present invention.
- Fig. 1 is a schematic structural diagram of a deep-well ground electrode temperature online monitoring system provided by the first embodiment of the present invention, including: a temperature measuring optical cable extending downhole 1, a temperature demodulator for analyzing temperature data according to optical signals 2.
- Communication optical cable 3 fiber grating thermometer for temperature calibration 4, temperature calibration box for temperature calibration 5, temperature calibration optical cable 6, wireless transmitter module 7, power supply module 8 and processor 9;
- One end of the temperature measurement cable 1 extending downhole is connected to the fiber grating thermometer 4, the other end of the temperature measurement cable 1 extends out of the well and is connected to one end of the temperature calibration cable 6; the other end of the temperature calibration cable 6 is connected to one end of the communication cable 3 ;
- the temperature calibration optical cable 6 is placed in the temperature calibration box 5; the other end of the communication optical cable 3 is connected to the temperature demodulator 2; the wireless transmitting module 7 is connected to the temperature demodulator 2; the power supply module 8 provides power supply;
- the processor 9 is mounted on the computing device terminal; the computing device terminal is also equipped with a wireless receiving module, and a calculation program executed by the processor 9 for receiving the signal sent by the wireless transmitting module 7 is stored.
- the actual temperature value is monitored by the fiber grating thermometer 4, which can be used to calibrate the actual value of the temperature measuring cable 1 to monitor the deep environment of the electrode well.
- the wireless transmitting module 7 wirelessly transmits the temperature data signal demodulated by the distributed optical fiber temperature demodulator 2 through the 3G/4G transmission mode.
- temperature measuring optical cable 1 is a non-metallic high-strength bored temperature measuring optical cable 1.
- non-metallic high-strength borehole temperature measurement optical fiber cable 1 is a multi-core single-mode distributed temperature measurement optical cable 1 or a multi-core multi-mode distributed temperature measurement optical cable 1.
- the non-metallic high-strength borehole temperature measurement optical cable 1 has excellent mechanical strength against compression and tension, and is suitable for temperature measurement under high voltage, strong magnetic field and deep borehole environments.
- the temperature calibration box 5 includes a water bath; the temperature calibration optical cable 6 in a coiled state is placed in the water bath. In order to calibrate the temperature measuring cable 1 to the temperature of the water bath to monitor the actual value of the wellhead environment of the electrode well.
- the temperature calibration optical cable 6 is in a coiled state, which reduces the volume of the water bath while also achieving complete contact between the temperature calibration optical cable 6 and the water medium.
- temperature demodulator 2 is a distributed temperature demodulator 2.
- the distributed optical fiber temperature demodulator 2 has multi-channel simultaneous monitoring, which transmits and collects optical signals to the distributed temperature measurement optical cable 1, and analyzes the temperature data, so that the subsequent management software platform monitors intelligent information early warning.
- the distributed optical fiber temperature demodulator 2 has at least two additional analog ports, the interface type is 485 or RJ45 network port, used to connect to the battery inspection instrument and receive the wind and solar complementary system signals.
- the power supply module 8 includes a solar and wind power supply complementary power supply module 8 that is complementarily powered by a solar power supply system 10 and a wind power supply system 11.
- the solar and wind power complementary power supply module 8 can supply power for the operation of the distributed optical fiber temperature demodulator 2 to ensure a trouble-free power supply for a long time.
- the temperature measuring cable 1 collects downhole temperature
- the fiber grating thermometer 4 performs environmental value calibration at the downhole end of the temperature measuring cable 1
- the temperature calibration box 5 calibrates the temperature of the temperature measuring cable 1 connected to the temperature.
- 6 Perform water bath calibration
- the communication optical cable 3 sends the calibrated optical signal to the temperature demodulator 2 used to parse the temperature data according to the optical signal to achieve high-precision temperature monitoring of the full depth of the electrode well, and obtain the calibrated temperature data
- the temperature data is sent to the processor 9 through the wireless transmitting module 7, so that the control center performs monitoring, early warning and alarm according to the temperature data.
- a deep-well type ground electrode temperature online monitoring system provided by the embodiment of the present invention has the following beneficial effects:
- the full-depth temperature monitoring of the electrode well is realized by the temperature measuring optical cable.
- the non-metal high-strength borehole temperature measuring optical cable has excellent mechanical strength against compression and tension, and is suitable for measurement under high voltage, strong magnetic field and deep drilling environment. Temperature; through the calibration at both ends of the temperature measurement optical cable, high-precision temperature collection is achieved; through the real-time data transmission of the wireless transmitter module, real-time online monitoring with high automation, high precision and long-term stability is realized, so that it can be based on temperature data
- the formation of a database is conducive to the query, comparison and analysis of historical data, as well as monitoring, early warning and warning.
- the device embodiments described above are only illustrative, and the units described as separate parts may or may not be physically separated, and the parts displayed as units may or may not be physically separate. Units can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the connection relationship between the modules indicates that they have a communication connection between them, which can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art can understand and implement it without creative work.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
An online temperature monitoring system for a deep well-type grounding electrode, comprising a temperature measuring optical cable (1) that extends underground, a temperature demodulation instrument (2), a communication optical cable (3), an optical fiber grating thermometer (4), a temperature calibration box (5), a temperature calibration optical cable (6), a wireless transmission module (7), a power supply module (8) and a processor (9). An end of the temperature measuring optical cable (1) that extends underground is connected to the optical fiber grating thermometer (4), and the other end of the temperature measuring optical cable (1) extends out of a well opening and is connected to an end of the temperature calibration optical cable (6); the other end of the temperature calibration optical cable (6) is connected to an end of the communication optical cable (3); the temperature calibration optical cable (6) is placed within the temperature calibration box (5); the other end of the communication optical cable (3) accesses the temperature demodulation instrument (2); the wireless transmission module (7) is connected to the temperature demodulation instrument (2); the power supply module (8) supplies power; and the processor (9) is carried on a computer device terminal. Long-term stable real-time online temperature monitoring of a deep well-type grounding electrode may be achieved by means of the described online temperature monitoring system for a deep well-type grounding electrode.
Description
本发明涉及温度监测技术领域，尤其涉及一种深井型接地极温度在线监测系统。The invention relates to the technical field of temperature monitoring, in particular to a deep-well type ground electrode temperature online monitoring system.
背景技术Background technique高压直流输电作为一种新型输电方式被广泛地运用于输电领域，但然而目前直流换流站接地极的运行参数常规监测几乎完全依靠人工采集，自动化程度很低，监测点位少，事件报警滞后，尤其是实现接地极全深的温度实时监测的需求更加迫切。As a new type of power transmission, HVDC transmission is widely used in the field of power transmission. However, the current routine monitoring of the operating parameters of the ground electrode of the DC converter station almost entirely relies on manual collection, with low automation, few monitoring points, and delayed event alarms. In particular, the need for real-time monitoring of the temperature of the full depth of the grounding electrode is more urgent.
分布式光纤测温技术(DTS)直接采用分布式光缆作为感测元件，具有分布式测量、长距离测试、安装方便及长期稳定性等优势，已广泛应用于火灾消防、电缆测温、混凝土测温及渗漏监测等领域。本发明正是基于分布式光纤测温技术这一优越性能，将其用于深井型接地极极井温度实时在线监测工程，可以及时、准确的发现深井接地极全深范围内每一点的温度异常情况，并将报警信息传递给工作人员。Distributed optical fiber temperature measurement technology (DTS) directly uses distributed optical cables as sensing elements. It has the advantages of distributed measurement, long-distance testing, easy installation and long-term stability. It has been widely used in fire protection, cable temperature measurement, and concrete measurement. Temperature and leakage monitoring and other fields. The present invention is based on the superior performance of distributed optical fiber temperature measurement technology. It is used in the real-time online monitoring project of the temperature of the deep well type earth electrode well, which can timely and accurately find the temperature abnormality at every point in the full depth of the deep well earth electrode. Circumstance, and pass the alarm information to the staff.
因此急需一种深井型接地极温度在线监测系统。Therefore, an on-line monitoring system for the temperature of the deep-well ground electrode is urgently needed.
发明内容Summary of the invention
本发明实施例提供一种深井型接地极温度在线监测系统，能够实现对深井接地极进行长期、稳定地实时在线温度监测。The embodiment of the present invention provides a deep well type ground electrode temperature online monitoring system, which can realize long-term and stable real-time online temperature monitoring of the deep well ground electrode.
本发明实施例一提供了一种深井型接地极温度在线监测系统，包括：延伸至井下的测温光缆、用于根据光信号解析温度数据的温度解调仪、通讯光缆、用于进行温度校准的光纤光栅温度计、用于进行温度校准的温度校准箱、温度校准光 缆、无线发射模块、供电模块和处理器；The first embodiment of the present invention provides a deep-well ground electrode temperature online monitoring system, including: a temperature measuring optical cable extending downhole, a temperature demodulator for analyzing temperature data according to optical signals, a communication optical cable, and temperature calibration Optical fiber grating thermometer, temperature calibration box for temperature calibration, temperature calibration fiber optic cable, wireless transmitter module, power supply module and processor;
所述测温光缆延伸至井下的一端与所述光纤光栅温度计相连，所述测温光缆的另一端延伸出井口且与所述温度校准光缆的一端连接；所述温度校准光缆的另一端与所述通讯光缆的一端连接；所述温度校准光缆置于所述温度校准箱内；所述通讯光缆的另一端接入所述温度解调仪；所述无线发射模块与所述温度解调仪连接；所述供电模块进行电力供应；One end of the temperature measuring cable extending downhole is connected to the fiber grating thermometer, the other end of the temperature measuring cable extends out of the wellhead and is connected to one end of the temperature calibration cable; the other end of the temperature calibration cable is connected to the One end of the communication optical cable is connected; the temperature calibration optical cable is placed in the temperature calibration box; the other end of the communication optical cable is connected to the temperature demodulator; the wireless transmitting module is connected to the temperature demodulator ; The power supply module performs power supply;
所述处理器搭载于计算设备终端；所述计算设备终端还搭载有无线接收模块，存储有由所述处理器执行的用于接收无线发射模块发送的信号的计算程序。The processor is mounted on a computing device terminal; the computing device terminal is also equipped with a wireless receiving module, and a calculation program executed by the processor for receiving signals sent by the wireless transmitting module is stored.
作为上述方案的改进，所述测温光缆是非金属高强钻孔测温光缆。As an improvement of the above solution, the temperature measuring optical cable is a non-metallic high-strength bored temperature measuring optical cable.
作为上述方案的改进，所述非金属高强钻孔测温光缆是多芯单模分布式测温光缆或多芯多模分布式测温光缆。As an improvement of the above solution, the non-metal high-strength borehole temperature measurement optical fiber cable is a multi-core single-mode distributed temperature measurement optical cable or a multi-core multi-mode distributed temperature measurement optical cable.
作为上述方案的改进，所述温度校准箱包括水浴槽；盘绕状态的所述温度校准光缆置于所述水浴槽内。As an improvement of the above solution, the temperature calibration box includes a water bath; the temperature calibration optical cable in a coiled state is placed in the water bath.
作为上述方案的改进，所述温度解调仪为分布式温度解调仪。As an improvement of the above solution, the temperature demodulator is a distributed temperature demodulator.
作为上述方案的改进，所述供电模块包括太阳能、风力供电互补供电模块。As an improvement of the above solution, the power supply module includes a solar and wind power supply complementary power supply module.
本发明实施例提供的一种深井型接地极温度在线监测系统，与现有技术相比，具有如下有益效果：Compared with the prior art, a deep-well type ground electrode temperature online monitoring system provided by the embodiment of the present invention has the following beneficial effects:
通过测温光缆实现对电极井全深温度监测，而非金属高强钻孔测温光缆具有极好的抗压、抗拉的机械强度，适宜在高电压、强磁场以及深钻孔的环境下测温；通过在测温光缆两端的校准，实现高精准度地温度采集；通过无线发射模块的实时数据发送，实现了自动化程度高、精度高、长期稳定性的实时在线监测，使得能够根据温度数据形成数据库，利于历史数据的查询，对比和分析，并进行监控、预警和告警。The full-depth temperature monitoring of the electrode well is realized by the temperature measuring optical cable. The non-metal high-strength borehole temperature measuring optical cable has excellent mechanical strength against compression and tension, and is suitable for measurement under high voltage, strong magnetic field and deep drilling environment. Temperature; through the calibration at both ends of the temperature measurement optical cable, high-precision temperature collection is achieved; through the real-time data transmission of the wireless transmitter module, real-time online monitoring with high automation, high precision and long-term stability is realized, so that it can be based on temperature data The formation of a database is conducive to the query, comparison and analysis of historical data, as well as monitoring, early warning and warning.
附图说明Description of the drawings图1是本发明实施例一提供的一种深井型接地极温度在线监测系统的结构示意图。FIG. 1 is a schematic structural diagram of a deep-well type ground electrode temperature online monitoring system provided by Embodiment 1 of the present invention.
图2是本发明一具体实施例提供的一种深井型接地极温度在线监测系统的结构示意图。2 is a schematic structural diagram of a deep-well type ground electrode temperature online monitoring system provided by a specific embodiment of the present invention.
具体实施方式detailed description下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
参见图1，是本发明实施例一提供的一种深井型接地极温度在线监测系统的结构示意图，包括：延伸至井下的测温光缆1、用于根据光信号解析温度数据的温度解调仪2、通讯光缆3、用于进行温度校准的光纤光栅温度计4、用于进行温度校准的温度校准箱5、温度校准光缆6、无线发射模块7、供电模块8和处理器9；Refer to Fig. 1, which is a schematic structural diagram of a deep-well ground electrode temperature online monitoring system provided by the first embodiment of the present invention, including: a temperature measuring optical cable extending downhole 1, a temperature demodulator for analyzing temperature data according to optical signals 2. Communication optical cable 3, fiber grating thermometer for temperature calibration 4, temperature calibration box for temperature calibration 5, temperature calibration optical cable 6, wireless transmitter module 7, power supply module 8 and processor 9;
测温光缆1延伸至井下的一端与光纤光栅温度计4相连，测温光缆1的另一端延伸出井口且与温度校准光缆6的一端连接；温度校准光缆6的另一端与通讯光缆3的一端连接；温度校准光缆6置于温度校准箱5内；通讯光缆3的另一端接入温度解调仪2；无线发射模块7与温度解调仪2连接；供电模块8进行电力供应；One end of the temperature measurement cable 1 extending downhole is connected to the fiber grating thermometer 4, the other end of the temperature measurement cable 1 extends out of the well and is connected to one end of the temperature calibration cable 6; the other end of the temperature calibration cable 6 is connected to one end of the communication cable 3 ; The temperature calibration optical cable 6 is placed in the temperature calibration box 5; the other end of the communication optical cable 3 is connected to the temperature demodulator 2; the wireless transmitting module 7 is connected to the temperature demodulator 2; the power supply module 8 provides power supply;
处理器9搭载于计算设备终端；计算设备终端还搭载有无线接收模块，存储有由处理器9执行的用于接收无线发射模块7发送的信号的计算程序。The processor 9 is mounted on the computing device terminal; the computing device terminal is also equipped with a wireless receiving module, and a calculation program executed by the processor 9 for receiving the signal sent by the wireless transmitting module 7 is stored.
优选的，通过光纤光栅温度计4监测其温度实际值，能够用来校准测温光缆1监测电极井深部环境的实际值。Preferably, the actual temperature value is monitored by the fiber grating thermometer 4, which can be used to calibrate the actual value of the temperature measuring cable 1 to monitor the deep environment of the electrode well.
优选的，无线发射模块7将分布式光纤温度解调仪2解调的温度数据信号通 过3G/4G传输形式进行GPRS网络无线传输。Preferably, the wireless transmitting module 7 wirelessly transmits the temperature data signal demodulated by the distributed optical fiber temperature demodulator 2 through the 3G/4G transmission mode.
进一步的，测温光缆1是非金属高强钻孔测温光缆1。Further, the temperature measuring optical cable 1 is a non-metallic high-strength bored temperature measuring optical cable 1.
进一步的，非金属高强钻孔测温光缆1是多芯单模分布式测温光缆1或多芯多模分布式测温光缆1。Further, the non-metallic high-strength borehole temperature measurement optical fiber cable 1 is a multi-core single-mode distributed temperature measurement optical cable 1 or a multi-core multi-mode distributed temperature measurement optical cable 1.
优选的，非金属高强钻孔测温光缆1具有极好的抗压、抗拉的机械强度，适宜在高电压、强磁场以及深钻孔的环境下测温。Preferably, the non-metallic high-strength borehole temperature measurement optical cable 1 has excellent mechanical strength against compression and tension, and is suitable for temperature measurement under high voltage, strong magnetic field and deep borehole environments.
进一步的，温度校准箱5包括水浴槽；盘绕状态的温度校准光缆6置于水浴槽内。以使水浴槽温度校准测温光缆1监测电极井井口环境的实际值。Further, the temperature calibration box 5 includes a water bath; the temperature calibration optical cable 6 in a coiled state is placed in the water bath. In order to calibrate the temperature measuring cable 1 to the temperature of the water bath to monitor the actual value of the wellhead environment of the electrode well.
优选的，温度校准光缆6为盘绕状态，减少水浴槽的体积的同时也能够实现温度校准光缆6与水介质的完全接触。Preferably, the temperature calibration optical cable 6 is in a coiled state, which reduces the volume of the water bath while also achieving complete contact between the temperature calibration optical cable 6 and the water medium.
进一步的，温度解调仪2为分布式温度解调仪2。Further, the temperature demodulator 2 is a distributed temperature demodulator 2.
优选的，分布式光纤温度解调仪2具有多通道同时监测，通过向分布式测温光缆1发射、采集光信号，并解析出温度数据，以使进行后续管理软件平台监测智能化信息预警。其中分布式光纤温度解调仪2除光纤测温接口外至少具备2路额外模拟量接口，接口型式为485或者RJ45网口，用于接入蓄电池巡检仪和接收风光互补系统信号。Preferably, the distributed optical fiber temperature demodulator 2 has multi-channel simultaneous monitoring, which transmits and collects optical signals to the distributed temperature measurement optical cable 1, and analyzes the temperature data, so that the subsequent management software platform monitors intelligent information early warning. In addition to the optical fiber temperature measurement interface, the distributed optical fiber temperature demodulator 2 has at least two additional analog ports, the interface type is 485 or RJ45 network port, used to connect to the battery inspection instrument and receive the wind and solar complementary system signals.
进一步的，供电模块8包括由太阳能供电系统10和风力供电系统11进行互补供电的太阳能、风力供电互补供电模块8。Further, the power supply module 8 includes a solar and wind power supply complementary power supply module 8 that is complementarily powered by a solar power supply system 10 and a wind power supply system 11.
优选的，太阳能、风力供电互补供电模块8能够为分布式光纤温度解调仪2运行的电力供应，保证长时间电力无故障供应。Preferably, the solar and wind power complementary power supply module 8 can supply power for the operation of the distributed optical fiber temperature demodulator 2 to ensure a trouble-free power supply for a long time.
在具体的实施例中，参见图2，测温光缆1采集井下温度，光纤光栅温度计4在测温光缆1的井下一端进行环境值校准，温度校准箱5对于测温光缆1连接的温度校准光缆6进行水浴校准，通讯光缆3将校准后的光信号发送至用于根据光信号解析温度数据的温度解调仪2，实现对电极井全深高精准度温度监测，得到校准后的温度数据后通过无线发射模块7将该温度数据发送至处理器9，以使 控制中心根据该温度数据进行监控、预警和告警。In a specific embodiment, referring to Fig. 2, the temperature measuring cable 1 collects downhole temperature, the fiber grating thermometer 4 performs environmental value calibration at the downhole end of the temperature measuring cable 1, and the temperature calibration box 5 calibrates the temperature of the temperature measuring cable 1 connected to the temperature. 6 Perform water bath calibration, and the communication optical cable 3 sends the calibrated optical signal to the temperature demodulator 2 used to parse the temperature data according to the optical signal to achieve high-precision temperature monitoring of the full depth of the electrode well, and obtain the calibrated temperature data The temperature data is sent to the processor 9 through the wireless transmitting module 7, so that the control center performs monitoring, early warning and alarm according to the temperature data.
本发明实施例提供的一种深井型接地极温度在线监测系统，与现有技术相比，具有如下有益效果：Compared with the prior art, a deep-well type ground electrode temperature online monitoring system provided by the embodiment of the present invention has the following beneficial effects:
通过测温光缆实现对电极井全深温度监测，而非金属高强钻孔测温光缆具有极好的抗压、抗拉的机械强度，适宜在高电压、强磁场以及深钻孔的环境下测温；通过在测温光缆两端的校准，实现高精准度地温度采集；通过无线发射模块的实时数据发送，实现了自动化程度高、精度高、长期稳定性的实时在线监测，使得能够根据温度数据形成数据库，利于历史数据的查询，对比和分析，并进行监控、预警和告警。The full-depth temperature monitoring of the electrode well is realized by the temperature measuring optical cable. The non-metal high-strength borehole temperature measuring optical cable has excellent mechanical strength against compression and tension, and is suitable for measurement under high voltage, strong magnetic field and deep drilling environment. Temperature; through the calibration at both ends of the temperature measurement optical cable, high-precision temperature collection is achieved; through the real-time data transmission of the wireless transmitter module, real-time online monitoring with high automation, high precision and long-term stability is realized, so that it can be based on temperature data The formation of a database is conducive to the query, comparison and analysis of historical data, as well as monitoring, early warning and warning.
需说明的是，以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。另外，本发明提供的装置实施例附图中，模块之间的连接关系表示它们之间具有通信连接，具体可以实现为一条或多条通信总线或信号线。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。It should be noted that the device embodiments described above are only illustrative, and the units described as separate parts may or may not be physically separated, and the parts displayed as units may or may not be physically separate. Units can be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments. In addition, in the drawings of the device embodiments provided by the present invention, the connection relationship between the modules indicates that they have a communication connection between them, which can be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art can understand and implement it without creative work.
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。The above are the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered This is the protection scope of the present invention.
Claims (6)
-
一种深井型接地极温度在线监测系统，其特征在于，包括：延伸至井下的测温光缆、用于根据光信号解析温度数据的温度解调仪、通讯光缆、用于进行温度校准的光纤光栅温度计、用于进行温度校准的温度校准箱、温度校准光缆、无线发射模块、供电模块和处理器；A deep-well type ground electrode temperature online monitoring system, which is characterized by comprising: a temperature measuring optical cable extending downhole, a temperature demodulator for analyzing temperature data according to optical signals, a communication optical cable, and an optical fiber grating for temperature calibration Thermometer, temperature calibration box for temperature calibration, temperature calibration fiber optic cable, wireless transmitter module, power supply module and processor;
所述测温光缆延伸至井下的一端与所述光纤光栅温度计相连，所述测温光缆的另一端延伸出井口且与所述温度校准光缆的一端连接；所述温度校准光缆的另一端与所述通讯光缆的一端连接；所述温度校准光缆置于所述温度校准箱内；所述通讯光缆的另一端接入所述温度解调仪；所述无线发射模块与所述温度解调仪连接；所述供电模块进行电力供应；One end of the temperature measurement cable extending downhole is connected to the fiber grating thermometer, the other end of the temperature measurement cable extends out of the wellhead and is connected to one end of the temperature calibration cable; the other end of the temperature calibration cable is connected to the One end of the communication optical cable is connected; the temperature calibration optical cable is placed in the temperature calibration box; the other end of the communication optical cable is connected to the temperature demodulator; the wireless transmitting module is connected to the temperature demodulator ; The power supply module performs power supply;
所述处理器搭载于计算设备终端；所述计算设备终端还搭载有无线接收模块，存储有由所述处理器执行的用于接收无线发射模块发送的信号的计算程序。The processor is mounted on a computing device terminal; the computing device terminal is also equipped with a wireless receiving module, and a calculation program executed by the processor for receiving signals sent by the wireless transmitting module is stored.
-
如权利要求1所述的一种深井型接地极温度在线监测系统，其特征在于，所述测温光缆是非金属高强钻孔测温光缆。A deep-well ground electrode temperature online monitoring system according to claim 1, wherein the temperature measurement optical cable is a non-metallic high-strength borehole temperature measurement optical cable.
-
如权利要求2所述的一种深井型接地极温度在线监测系统，其特征在于，所述非金属高强钻孔测温光缆是多芯单模分布式测温光缆或多芯多模分布式测温光缆。A deep-well ground electrode temperature online monitoring system according to claim 2, wherein the non-metallic high-strength borehole temperature measurement optical fiber cable is a multi-core single-mode distributed temperature measurement optical fiber cable or a multi-core multi-mode distributed temperature measurement optical fiber cable. Temperature optical cable.
-
如权利要求1所述的一种深井型接地极温度在线监测系统，其特征在于，所述温度校准箱包括水浴槽；盘绕状态的所述温度校准光缆置于所述水浴槽内。A deep-well earth electrode temperature online monitoring system according to claim 1, wherein the temperature calibration box comprises a water bath; the temperature calibration optical cable in a coiled state is placed in the water bath.
-
如权利要求1所述的一种深井型接地极温度在线监测系统，其特征在于，所述温度解调仪为分布式温度解调仪。A deep-well type ground electrode temperature online monitoring system according to claim 1, wherein the temperature demodulator is a distributed temperature demodulator.
-
如权利要求1所述的一种深井型接地极温度在线监测系统，其特征在于，所述供电模块包括太阳能、风力供电互补供电模块。A deep-well type ground electrode temperature online monitoring system according to claim 1, wherein the power supply module includes a solar and wind power supply complementary power supply module.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816614.XA CN110470413A (en) | 2019-08-30 | 2019-08-30 | A kind of deep-well type earthing pole temperature online monitoring system |
| CN201910816614.X | 2019-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021036611A1 true WO2021036611A1 (en) | 2021-03-04 |
Family
ID=68514397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/103913 WO2021036611A1 (en) | 2019-08-30 | 2020-07-24 | Online temperature monitoring system for deep well-type grounding electrode |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110470413A (en) |
| WO (1) | WO2021036611A1 (en) |
Families Citing this family (1)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470413A (en) * | 2019-08-30 | 2019-11-19 | 南方电网科学研究院有限责任公司 | A kind of deep-well type earthing pole temperature online monitoring system |
Citations (9)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH109974A (en) * | 1996-06-24 | 1998-01-16 | Sumitomo Electric Ind Ltd | Temperature distribution measuring method and temperature distribution measuring system |
| CN201845405U (en) * | 2010-01-21 | 2011-05-25 | 中国石油天然气集团公司 | Optical fiber grating temperature fire alarm system employing combination of etalon and temperature control grating |
| CN102147297A (en) * | 2010-12-10 | 2011-08-10 | 聚光科技(杭州)股份有限公司 | Distributed optical fiber temperature sensing measurement device and method |
| CN102680131A (en) * | 2011-03-07 | 2012-09-19 | 昆山蓝岭科技有限公司 | Distributed fiber grating temperature measurement sensing device |
| CN203298900U (en) * | 2013-07-01 | 2013-11-20 | 杭州欧忆光电科技有限公司 | Distributed optical fiber temperature sensor system capable of correcting temperature automatically on site |
| CN106813803A (en) * | 2017-01-22 | 2017-06-09 | 中国能源建设集团广东省电力设计研究院有限公司 | DC transmission deep well type earthing pole temperature measuring equipment, temperature online monitoring system and its monitoring method |
| CN208091464U (en) * | 2018-03-22 | 2018-11-13 | 安徽理工大学 | The fiber optic sensor system that the borehole wall is monitored |
| CN110470413A (en) * | 2019-08-30 | 2019-11-19 | 南方电网科学研究院有限责任公司 | A kind of deep-well type earthing pole temperature online monitoring system |
| CN210774418U (en) * | 2019-08-30 | 2020-06-16 | 南方电网科学研究院有限责任公司 | Deep well type earthing pole temperature monitoring device |
Family Cites Families (8)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7720323B2 (en) * | 2004-12-20 | 2010-05-18 | Schlumberger Technology Corporation | High-temperature downhole devices |
| CN1844855A (en) * | 2006-05-17 | 2006-10-11 | 国家纳米技术与工程研究院 | Wavelength calibration method during optical fiber Bragg grating sensing wavelength demodulation |
| US8503599B2 (en) * | 2008-10-28 | 2013-08-06 | General Electric Company | Optical gamma thermometer |
| CN201909686U (en) * | 2010-12-10 | 2011-07-27 | 聚光科技(杭州)股份有限公司 | Distributed optical fiber temperature sensing and measuring device |
| US9880035B2 (en) * | 2013-03-28 | 2018-01-30 | Exxonmobil Research And Engineering Company | Method and system for detecting coking growth and maldistribution in refinery equipment |
| CN105092097A (en) * | 2015-08-06 | 2015-11-25 | 云南电网有限责任公司电力科学研究院 | Optical fiber grating temperature sensor calibration method |
| CN109253820A (en) * | 2018-10-11 | 2019-01-22 | 宜昌睿传光电技术有限公司 | A kind of water environment temperature gradient monitoring device and method based on dim light grid |
| CN109507453A (en) * | 2018-12-06 | 2019-03-22 | 广州广电计量检测股份有限公司 | A kind of revolving speed calibration system and calibration method based on fiber grating |
-
2019
- 2019-08-30 CN CN201910816614.XA patent/CN110470413A/en active Pending
-
2020
- 2020-07-24 WO PCT/CN2020/103913 patent/WO2021036611A1/en active Application Filing
Patent Citations (9)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH109974A (en) * | 1996-06-24 | 1998-01-16 | Sumitomo Electric Ind Ltd | Temperature distribution measuring method and temperature distribution measuring system |
| CN201845405U (en) * | 2010-01-21 | 2011-05-25 | 中国石油天然气集团公司 | Optical fiber grating temperature fire alarm system employing combination of etalon and temperature control grating |
| CN102147297A (en) * | 2010-12-10 | 2011-08-10 | 聚光科技(杭州)股份有限公司 | Distributed optical fiber temperature sensing measurement device and method |
| CN102680131A (en) * | 2011-03-07 | 2012-09-19 | 昆山蓝岭科技有限公司 | Distributed fiber grating temperature measurement sensing device |
| CN203298900U (en) * | 2013-07-01 | 2013-11-20 | 杭州欧忆光电科技有限公司 | Distributed optical fiber temperature sensor system capable of correcting temperature automatically on site |
| CN106813803A (en) * | 2017-01-22 | 2017-06-09 | 中国能源建设集团广东省电力设计研究院有限公司 | DC transmission deep well type earthing pole temperature measuring equipment, temperature online monitoring system and its monitoring method |
| CN208091464U (en) * | 2018-03-22 | 2018-11-13 | 安徽理工大学 | The fiber optic sensor system that the borehole wall is monitored |
| CN110470413A (en) * | 2019-08-30 | 2019-11-19 | 南方电网科学研究院有限责任公司 | A kind of deep-well type earthing pole temperature online monitoring system |
| CN210774418U (en) * | 2019-08-30 | 2020-06-16 | 南方电网科学研究院有限责任公司 | Deep well type earthing pole temperature monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110470413A (en) | 2019-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109445399B (en) | 2024-03-12 | Hydropower station hydraulic working gate on-line monitoring device and monitoring method |
| CN112291007B (en) | 2022-02-22 | Distributed optical fiber automatic monitoring system |
| CN210774418U (en) | 2020-06-16 | Deep well type earthing pole temperature monitoring device |
| WO2021036611A1 (en) | 2021-03-04 | Online temperature monitoring system for deep well-type grounding electrode |
| CN201335887Y (en) | 2009-10-28 | Multi-parameter collecting transmission instrument of geological disasters |
| CN112160745A (en) | 2021-01-01 | EMWD electromagnetic wave measuring system suitable for diamond core drilling |
| CN106321079B (en) | 2023-05-26 | Rotary test nipple for measurement while drilling instrument |
| CN110987254B (en) | 2022-05-24 | A kind of bolt load wireless monitoring system and monitoring method |
| CN103498660A (en) | 2014-01-08 | Single-well water-containing-rate remote metering device and transmission method of single-well water-containing-rate data |
| CN110243495A (en) | 2019-09-17 | A kind of fluorescence optical fiber In-Line Temperature Measure System |
| CN204594446U (en) | 2015-08-26 | A kind of flexible intelligent deviational survey rope |
| CN109975502A (en) | 2019-07-05 | A kind of underground water remote supervision system |
| CN205016054U (en) | 2016-02-03 | Transmission line foundation slip mass displacement monitoring system |
| CN204419169U (en) | 2015-06-24 | A kind of DST well logging electromagnetic wireless direct readout |
| CN211085488U (en) | 2020-07-24 | Wireless intelligent temperature measurement monitoring devices |
| CN106603666A (en) | 2017-04-26 | Architecture mode of tunnel remote online remote measurement system |
| CN203629700U (en) | 2014-06-04 | Wireless temperature measuring device |
| CN203463098U (en) | 2014-03-05 | Single well water containing remote metering device |
| CN205405859U (en) | 2016-07-27 | Beam -pumping unit remote intelligent management system based on networking of WSN thing |
| CN110987203A (en) | 2020-04-10 | Wireless intelligent temperature measurement monitoring device and monitoring system |
| CN222464733U (en) | 2025-02-11 | A multi-dimensional sensing hydropower station monitoring communication device |
| CN202788751U (en) | 2013-03-13 | Optical fiber transmission pressure-measurable downhole casing valve |
| CN218271121U (en) | 2023-01-10 | Built-in cable temperature measuring probe based on fluorescent optical fiber |
| CN219390992U (en) | 2023-07-21 | Device for monitoring electrolyte storage and transportation state |
| CN106368683B (en) | 2023-05-26 | Rotary testing device for measurement while drilling instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 2021-04-14 | 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20856587 Country of ref document: EP Kind code of ref document: A1 |
| 2022-03-01 | NENP | Non-entry into the national phase |
Ref country code: DE |
| 2023-03-01 | 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 11/08/2022) |
| 2023-07-19 | 122 | Ep: pct application non-entry in european phase |
Ref document number: 20856587 Country of ref document: EP Kind code of ref document: A1 |