CN217156670U - Protection device outlet loop calibration device - Google Patents
- ️Tue Aug 09 2022
CN217156670U - Protection device outlet loop calibration device - Google Patents
Protection device outlet loop calibration device Download PDFInfo
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- CN217156670U CN217156670U CN202220013920.7U CN202220013920U CN217156670U CN 217156670 U CN217156670 U CN 217156670U CN 202220013920 U CN202220013920 U CN 202220013920U CN 217156670 U CN217156670 U CN 217156670U Authority
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- China Prior art keywords
- protection device
- assembly
- channel
- outlet
- resistance value Prior art date
- 2022-01-04 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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Abstract
The utility model discloses a protection device export return circuit calibration equipment, including the body and: a power switch assembly for connecting with a power source and selectively switching on or off; the channel assembly comprises a plurality of channels; the terminal strip connecting assembly to be tested is connected with the channel assembly at one end and connected with a terminal strip of an external protection device to be tested at the other end; the outlet pressing plate connecting assembly to be tested is connected with the channel assembly at one end and connected with an outlet pressing plate of the protection device at the other end; the resistance value measuring component is used for measuring the resistance value of the outlet loop; and the resistance value display component is connected with the resistance value measuring component and displays the resistance value. The utility model discloses an among the protection device export return circuit calibration equipment, utilize resistance measurement element and resistance display module to measure and show the resistance in export return circuit to optimize the relevant work of protection export check-up during on-the-spot overhaul, can effectual improvement tripping operation export return circuit efficiency of verifying, practice thrift the time limit for a project and reduce multiplexer utensil on probation, optimize maintenance work, improve work efficiency.
Description
Technical Field
The utility model relates to an electrical system field especially relates to a protection device export return circuit calibration equipment.
Background
In an electrical system, when primary equipment breaks down, a protection device sends an alarm or trip command after monitoring that the equipment is abnormal, and an outlet relay is started to complete the trip of the failed equipment, so that the further expansion of accidents is avoided, the equipment is prevented from being damaged, or the personal safety is prevented from being influenced. Therefore, the verification of the trip circuit function is the key work content in the maintenance of the protection device.
When the outlet loop is measured in the debugging or overhaul period, the outlet pressing plate can be withdrawn to prevent the protection device from mistakenly sending an instruction to the on-site equipment. When the protection device is used for verification, the protection device is forced to act, then the terminal strip corresponding to the auxiliary contact of the outlet relay and the lower opening of the corresponding outlet pressing plate are measured respectively, due to the arrangement of the protection device, the work needs three persons to complete, one person carries out protection state forcing and data recording, and the other two persons carry out measurement on the lower opening of the outlet pressing plate and the corresponding terminal strip respectively. Because each protection outlet is about 15, each device is provided with nearly 20 protection devices, and the work can be finished by about 2 hours of at least 3 persons each time, wherein the total number of the protection devices is 5.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in that to above defect, a modified protection device export return circuit calibration equipment is provided.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a protection device outlet circuit verifying attachment, includes the body and sets up on the body:
a power switch assembly for connecting with a power source and selectively switching on or off;
the channel assembly comprises a plurality of channels;
one end of the terminal strip connecting assembly to be tested is connected with the channel assembly, and the other end of the terminal strip connecting assembly to be tested is connected with a terminal strip of an external protection device to be tested;
one end of the outlet pressing plate connecting assembly to be tested is connected with the channel assembly, and the other end of the outlet pressing plate connecting assembly to be tested is connected with the outlet pressing plate of the protection device; the channel assembly is communicated with an outlet loop of the protection device through the terminal row connecting assembly to be tested and the outlet pressing plate connecting assembly to be tested;
the resistance value measuring component is connected with the channel component and is used for measuring the resistance value of the outlet loop;
and the resistance value display component is connected with the resistance value measuring component and displays the resistance value.
Preferably, the protection device outlet loop verification device further comprises:
the channel on-off measuring component is connected with the channel component and is used for measuring the on-off condition of each channel;
and the on-off condition display component is connected with the channel on-off measuring component and is used for displaying the on-off condition of each channel.
Preferably, the on-off condition display assembly includes:
a converter for converting data according to the connection or disconnection condition of each channel;
and the display is connected with the converter and is used for displaying the converted data.
Preferably, the converter is a hexadecimal converter.
Preferably, the protection device outlet circuit verifying unit further comprises a plurality of channel indicating lamps, the number of the channel indicating lamps is the same as the number of the channels in the channel assembly, and the plurality of channel indicating lamps are communicated with the plurality of channels in a one-to-one correspondence manner and selectively turned on or off according to the on-off condition of the corresponding channels.
Preferably, the protection device outlet loop verification device further comprises:
an inner loop measuring assembly for checking whether the inner loop is in a normal line; and
and the device self-checking lamp is connected with the inner loop measuring assembly and used for selectively lighting or extinguishing.
Preferably, the protection device outlet loop verifying device further comprises a switch button connected with the power switch assembly.
Preferably, the body is in the form of a housing.
Preferably, the power switch assembly, the channel assembly and the resistance value measuring assembly are arranged inside the body, and the terminal strip connecting assembly to be tested, the pressing plate connecting assembly to be tested and the resistance value displaying assembly are arranged on the surface of the body.
Preferably, the housing is a rectangular housing or an oval housing.
Implement the utility model has the advantages that: the utility model discloses an among the protection device export return circuit calibration equipment, through the terminal row coupling assembling that awaits measuring, the export clamp plate coupling assembling that awaits measuring makes the export return circuit of passageway subassembly and outside protection device that awaits measuring be linked together, utilize resistance measuring component and resistance display module to measure and show the resistance in export return circuit, thereby optimize the relevant work of protection export calibration during on-the-spot overhaul, can the efficiency that the export return circuit of effectual improvement tripping operation was verified, practice thrift the time limit for a project and reduce the multiplexer utensil on probation, optimize and overhaul work, improve work efficiency.
The current outlet trip loop verification mode has high requirements on the number of personnel and the matching, needs to repeatedly test and record data, and prolongs the construction period of a field test. Adopt the utility model discloses a protection device export return circuit calibration equipment has following benefit:
1. the device has the advantages that manpower is saved, at least three persons are needed for testing in the original checking method, one person is needed to perform different protection tripping simulation and record measurement data, one person holds the universal meter to perform terminal strip measurement, one person performs outlet pressing plate lower opening measurement in the cabinet, two persons for measurement are needed to be completely matched, once one person has dispersed attention, the measurement work of the protection needs to be restarted, the attention requirement on workers is high, and time consumption is long. By adopting the portable checking device, the relay to be checked can be directly inserted, the measured voltage is added, the data to be recorded can be displayed, and the operation can be finished by one person.
2. The test result is more visual, hexadecimal display of the outlet matrix is added, and the test result can be directly checked with a design file to determine whether the setting of the outlet matrix fixed value of the protection device is correct or not.
3. The method saves the link of the cooperation and communication of testing personnel and can greatly save the test period.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic diagram of a protection device outlet loop verifier device according to some embodiments of the present invention;
fig. 2 shows measurement points to be checked in an outlet loop of a protection device under test according to some preferred embodiments of the present invention;
fig. 3 is a schematic diagram of the connection between the calibration device for the outlet loop of the protection device and the outlet loop of the protection device to be tested according to some preferred embodiments of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 illustrates a protection device outlet
loop verification device100 in some embodiments of the present invention, for performing data verification on an outlet loop of an external protection device to be tested. The embodiment of the utility model provides an in protection device export return
circuit calibration equipment100 include the body and set up on the body: the device comprises a
power switch component10, a switch button 11, a channel component 20, a terminal strip connecting component 21 to be tested, an outlet pressing plate connecting component 22 to be tested, a channel indicator lamp 23, a resistance value measuring component 30, a resistance value displaying component 31, a channel on-off measuring component 40, an on-off condition displaying component 41, an internal loop measuring component 50 and a device self-checking
lamp51.
Wherein the body is in some embodiments a shell. The
power switch assembly10, the channel assembly 20 and the resistance value measuring assembly 30 are arranged inside the body, and the terminal strip connecting assembly 21 to be tested, the pressing plate connecting assembly to be tested and the resistance value display assembly 31 are arranged on the surface of the body. Preferably, the housing is a rectangular housing or an oval housing. Alternatively, the shape of the housing may be set according to specific requirements, and is not particularly limited herein as long as the related function can be achieved.
The
power switching assembly10 is adapted to be connected to a power source and selectively switched on and off. Specifically, the
power switch assembly10 is used to switch in 220V ac.
In some embodiments, as shown in conjunction with fig. 1 and 3, the protection device outlet
loop verifier device100 further includes a switch button 11 coupled to the
power switch assembly10. The switch button 11 is provided on the surface of the body so as to facilitate manual control of the switch of the
power switch assembly10 by a worker.
In some embodiments, as shown in fig. 1 and 3, the protection device outlet
loop verifying apparatus100 further includes an internal loop measuring assembly 50 disposed inside the body, and a device self-
check lamp51 disposed on a surface of the body, wherein the internal loop measuring assembly 50 is used for checking whether the internal loop is normally wired, and the device self-
check lamp51 is connected to the internal loop measuring assembly 50 and used for selectively turning on or off. It is understood that when the inner loop measuring assembly 50 checks that the inner loop circuit is normal, the device self-
check lamp51 is turned on; when the inner loop measuring unit 50 detects an abnormality of the inner loop line, the device self-
check lamp51 is turned off. The benefit of providing the inner loop measurement assembly 50 and the device self-
check lamp51 is that it can be observed whether the protection device outlet
loop verification device100 in some embodiments is functioning properly.
As shown in fig. 1, the protection device outlet
loop verifier device100 further includes a channel assembly 20. A channel assembly 20 is disposed within the body, the channel assembly 20 including a plurality of channels. The terminal strip connecting assembly 21 to be tested is arranged on the surface of the body, one end of the terminal strip connecting assembly is connected with the channel assembly 20, and the other end of the terminal strip connecting assembly is connected with a terminal strip of an external protection device to be tested. The outlet pressing plate connecting assembly 22 to be tested is arranged on the surface of the body, one end of the connecting assembly is connected with the channel assembly 20, and the other end of the connecting assembly is connected with the outlet pressing plate of the protection device. The channel assembly 20 is communicated with an outlet loop of the protection device through a terminal row connecting assembly 21 to be tested and an outlet pressing plate connecting assembly 22 to be tested. It is understood that the terminal block connection assembly to be tested 21 and the outlet platen connection assembly to be tested 22 are respectively disposed at both sides of the surface of the body.
In some embodiments, the staff can with the embodiment of the utility model provides an in protection device export return
circuit calibration equipment100's terminal row coupling assembling 21 that awaits measuring and the export clamp plate coupling assembling 22 that awaits measuring, according to the passageway name through two bundles of passageway cables respectively, both sides one-to-one inserts the terminal row that needs the outside protection device that awaits measuring and the outside protection device that awaits measuring export clamp plate end opening respectively.
As shown in fig. 1 and 3, the protection device outlet
circuit verifying unit100 further includes a resistance value measuring component 30 and a resistance value display component 31. The resistance value measuring assembly 30 is disposed inside the body, connected to the channel assembly 20, and measures the resistance value of the outlet circuit. The resistance value display component 31 is arranged on the surface of the body, is connected with the resistance value measuring component 30 and displays the resistance value. It is understood that the resistance measuring assembly 30 can be a common resistance measuring device, for example, the resistance measuring assembly 30 is a multimeter, and is not limited herein as long as the related function can be achieved.
Referring to fig. 1 and 3, the protection device outlet
loop verification device100 further includes a channel on-off measurement component 40 and an on-off display component 41. The channel on/off measuring unit 40 is connected to the channel unit 20 and measures the on/off state of each channel.
The on-off condition display component 41 is connected with the channel on-off measuring component 40 and displays the on-off condition of each channel. In some embodiments, the on-off condition display assembly 41 includes a converter 411 and a display 412, wherein the converter 411 performs data conversion according to the on-off condition of each channel, and the display 412 is connected to the converter 411 for displaying the converted data. Preferably, the converter 411 is a hexadecimal converter. It is understood that the converter 411 may be a common binary conversion device, for example, the converter 411 is a CMOS digital integrated circuit, or the converter 411 is a TTL digital integrated circuit, or the converter 411 is other common binary conversion devices in a hardware form, a software form or a combination of hardware and software, which is not limited herein as long as the related functions can be achieved.
Preferably, as shown in fig. 1 and fig. 3, the protection device outlet
loop checking device100 further includes a plurality of channel indicator lamps 23, the number of the channel indicator lamps 23 is the same as the number of the channels in the channel assembly 20, and the plurality of channel indicator lamps 23 are in one-to-one correspondence with the plurality of channels and selectively turned on or off according to the on-off condition of the corresponding channels. As will be appreciated, for each pair of channel and channel indicator lights 23, when the channel is on, its corresponding channel indicator light 23 lights up; when the channel is disconnected, its corresponding channel indicator lamp 23 is turned off.
The utility model discloses protection device export return
circuit verifying attachment100 in some embodiments is in the use, the staff forces the protection action on the protection device that awaits measuring externally, according to the principle of fig. 2, the return circuit normally open contact that corresponds according to the export definite value condition of setting after the protection action can be closed, with terminal block and export clamp plate end opening switch-on, protection device export return
circuit verifying attachment100's passageway pilot lamp 23 can light this moment, resistance display module 31 shows the resistance condition of measuring this return circuit simultaneously, the break-make condition according to different passageways at last, convert the export matrix that becomes the hexadecimal, show through display 412.
In some preferred embodiments, the exit platen is withdrawn when the exit loop measurement is taken in the field during commissioning or overhaul, in order to avoid the protection device miscommanding the in-situ equipment. When the test is carried out, the protection device is forced to act, and then the terminal strip corresponding to the auxiliary contact of the outlet relay and the lower opening of the corresponding outlet pressing plate are measured respectively. The number of the measuring channels corresponding to each protection is large, the outlet signal condition needs to be measured from the beginning after each protection action is forced, the requirement on cooperation personnel is high, the outlet loop measuring resistance value and the tripping matrix display can be directly carried out by adopting the outlet
loop verifying device100 of the protection device in the figure 3, the test result is more visual, and the measuring work efficiency is greatly improved.
The operation of the protection device outlet
loop verifier device100 according to some embodiments of the present invention will be described with reference to fig. 1-3 and table 1.
In some preferred embodiments, the exit platen is withdrawn when the exit loop measurement is taken in the field during commissioning or overhaul, in order to avoid the protection device miscommanding the in-situ equipment. When the test is carried out, the protection device is forced to act, and then the terminal strip corresponding to the auxiliary contact of the outlet relay and the lower opening of the corresponding outlet pressing plate are measured respectively.
TABLE 1 protection manifest requiring verification
As can be seen from table 1 and fig. 2, the number of measurement channels corresponding to each protection is large, the condition of the outlet signal needs to be measured from the beginning after each protection action is forced, the requirement on the coordinating personnel is high, the outlet loop measurement resistance value and the tripping matrix display can be directly performed by adopting the protection device outlet
loop calibration device100 in fig. 3, the test result is more visual, and the measurement work efficiency is greatly improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of improvements and modifications without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a protection device outlet circuit verifying attachment which characterized in that, includes the body and sets up on the body:
a power switching assembly (10) for connecting to a power source and selectively switching on or off;
a channel assembly (20) comprising a plurality of channels;
the terminal strip connecting assembly (21) to be tested is connected with the channel assembly (20) at one end and connected with a terminal strip of an external protection device to be tested at the other end;
an outlet pressing plate connecting component (22) to be tested, wherein one end of the outlet pressing plate connecting component is connected with the channel component (20), and the other end of the outlet pressing plate connecting component is connected with an outlet pressing plate of the protection device; the channel assembly (20) is communicated with an outlet loop of the protection device through the terminal row connecting assembly (21) to be tested and the outlet pressing plate connecting assembly (22) to be tested;
the resistance value measuring component (30) is connected with the channel component (20) and is used for measuring the resistance value of the outlet loop;
and the resistance value display component (31) is connected with the resistance value measuring component (30) and displays the resistance value.
2. The protection device outlet loop verifier device of claim 1, wherein the protection device outlet loop verifier device (100) further comprises:
a channel on-off measuring component (40) which is connected with the channel component (20) and measures the connection or disconnection condition of each channel;
and the on-off condition display component (41) is connected with the channel on-off measuring component (40) and is used for displaying the on-off condition of each channel.
3. Protection device outlet circuit verifier device according to claim 2, characterized in that said on-off condition display assembly (41) comprises:
a converter (411) for performing data conversion according to connection or disconnection on each channel;
a display (412) coupled to the converter (411) for displaying the converted data.
4. A protection device outlet circuit verifier device according to claim 3, characterized in that the converter (411) is a hexadecimal converter.
5. The protection device outlet circuit verifier apparatus according to claim 1, wherein the protection device outlet circuit verifier apparatus (100) further comprises a plurality of channel indicator lamps (23), the number of the channel indicator lamps (23) is the same as the number of the channels in the channel assembly (20), and the plurality of channel indicator lamps (23) are in one-to-one correspondence with the plurality of channels and selectively turned on or off according to on/off conditions of the corresponding channels.
6. The protection device outlet loop verifier device of claim 1, wherein the protection device outlet loop verifier device (100) further comprises:
an inner loop measuring assembly (50) for checking whether the inner loop is normally wired; and
a self-checking lamp (51) connected to the inner loop measurement assembly (50) for selectively turning on and off.
7. The protection device outlet circuit verifier device of claim 1, wherein the protection device outlet circuit verifier device (100) further comprises a switch button (11) coupled to the power switch assembly (10).
8. The protection device outlet circuit verifier device of any one of claims 1-7, wherein the body is in the form of a housing.
9. The protection device outlet circuit verifying unit of claim 8, wherein the power switch assembly (10), the channel assembly (20) and the resistance value measuring assembly (30) are disposed inside the body, and the terminal strip connecting assembly to be tested (21), the pressing plate connecting assembly to be tested and the resistance value displaying assembly (31) are disposed on the surface of the body.
10. The protection device outlet circuit verifier device of claim 8, wherein the housing is a rectangular housing or an oval housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220013920.7U CN217156670U (en) | 2022-01-04 | 2022-01-04 | Protection device outlet loop calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220013920.7U CN217156670U (en) | 2022-01-04 | 2022-01-04 | Protection device outlet loop calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217156670U true CN217156670U (en) | 2022-08-09 |
Family
ID=82689527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220013920.7U Active CN217156670U (en) | 2022-01-04 | 2022-01-04 | Protection device outlet loop calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217156670U (en) |
Cited By (1)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116774629A (en) * | 2023-06-16 | 2023-09-19 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring module and method for relay protection outlet loop number |
-
2022
- 2022-01-04 CN CN202220013920.7U patent/CN217156670U/en active Active
Cited By (2)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116774629A (en) * | 2023-06-16 | 2023-09-19 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring module and method for relay protection outlet loop number |
| CN116774629B (en) * | 2023-06-16 | 2024-01-23 | 国网江苏省电力有限公司泰州供电分公司 | A digital intelligent monitoring module for relay protection outlet circuit and method thereof |
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