CN202647980U - Remote monitor system based on wireless room-temperature control heat-exchange station valve opening - Google Patents

The utility model relates to a remote monitor system based on a wireless room temperature control heat exchange station valve opening. The remote monitor system based on the wireless room temperature control heat exchange station valve opening comprises a valve monitoring system, a data transmission unit, a control cabinet for a heat exchange station, a wireless room temperature system, a receiver, an indoor temperature sensor. The valve monitoring system is used for controlling heat exchange station valve opening according to the indoor and outdoor temperature. The data transmission unit is used for transmission between data. The control cabinet for the heat exchange station is used for controlling a field valve and collecting the outdoor temperature, the temperature of the twice-providing-heat sensor and the temperature of other pressure sensors. The wireless room temperature system is used for providing the wireless room temperature data. The receiver is used for receiving the data sent by a wireless indoor temperature sensor and transmitting the data to the data transmission unit. The indoor temperature sensor is used for monitoring the indoor temperature and transmitting the data to the receiver in a wireless mode. The remote monitor system based on the wireless room temperature control heat exchange station valve opening can be applied to an intelligent heating system and the power consumed can be saved under the condition that the heating quality can be guaranteed.

Regulate the long distance control system of heat exchange station valve opening based on wireless room temperature

Technical field

The utility model relates to the heat supply process field, especially relates to the long distance control system of regulating the heat exchange station valve opening based on wireless room temperature.

Background technology

Heat exchange station is central heating system heat supply networking and hot user's the place that is connected, and is an intermediate link between thermal source and the hot user, and the quality of its Heating quality improves heating quality and plays an important role improving heat supply network heating power operating mode.

As shown in Figure 1, one time thermal source is delivered to heat exchange station by pipeline, and enters in the heat exchanger, by the heat exchange of heat exchanger, a thermal source is exchanged in the secondary heat supply pipeline, and the secondary heat supply pipeline leads to hot user.By the plate type heat exchanger in the heat exchange station with the primary side water (hot water that outer net is sent here, temperature is about 80-120 ℃) and the secondary side water (water of user's heating installation, supply water temperature is 45-60 ℃) loop heat exchange, regulate water system in proper states by control valve, guarantee that the secondary water-supply temperature is (actual temp is set for temperature according to secondary) about 45-60 ℃.

Adopt advanced weather compensation theory, introduce outdoor temperature, when outdoor temperature reduces or rise, just need to change the secondary water-supply outlet temperature; By finely tuning being connected in parallel on the moving control valve of two energisings on the waterpipe, to reach the outlet temperature that changes secondary water-supply; The outlet temperature of secondary water-supply is changed along with the variation of outdoor temperature, do not affect the pressure balance of a pipe network simultaneously; Can improve Heating quality like this, realize energy-conservationly, also can reach simultaneously the purpose of thermal substation Unattended remote monitoring.

According to weather conditions and heat supply Properties of Objects and user's room temperature data of this locality, provide the corresponding curve between an outdoor temperature and the secondary water-supply temperature.Controller can be controlled a water supply flow by the outdoor temperature that this curve is measured according to outdoor temperature sensor, to reach the control to the secondary water-supply temperature.When outdoor temperature changes, go out the temperature that secondary network supplies water by PLC controller automatic computing engine, the aperture of the electric control valve that then supplies water by automatic adjustment one secondary net is controlled the flow of a secondary net thermal source, thereby reaches the purpose of the temperature that automatic control secondary network supplies water.Can guarantee like this to heat user's indoor temperature can reach again the purpose of saving the energy.

Along with the development of society and the raising of living standards of the people, the user is also more and more higher to the requirement of heating quality, explores and improves heating quality, and improving the heat supply energy utilization rate is a very urgent task.The in recent years timesharing owing to the heat supply factory drops into and withdraws from, the variation of (Fang Zhuan, left heat) pipe network splitting point, when making its peripheral user and become the heat supply front end, the time and become end, grasping peripheral user indoor temperature changes very important. and the indoor heating temperature is the final consumption index of user, also is one of important content of winter operation examination service quality.Selective examination room temperature qualification rate, present 5 ‰ thermometrics were surveyed once in per 10 days, needed 289 people at every turn, surveyed 5522 rooms.2 ‰ thermometrics need 78 people at every turn, survey 1374 rooms.Human resources problem in busy winter operation is more outstanding.

The utility model content

In order to solve the problems of the technologies described above, a kind of long distance control system of regulating the heat exchange station valve opening based on wireless room temperature comprises:

The valve monitoring system is used for according to indoor and outdoor temperature control heat exchange station valve opening;

Data transmission unit is used for transmitting between the data;

The heat-exchanging station controlling cabinet is used for control valve site, collection outdoor temperature, secondary for temperature sensor temperature, other pressure-temperature sensor;

Wireless room temperature system is used for providing wireless room temperature data;

Receiving instrument is used for receiving the data that the wireless indoor temperature sensor sends, and is transferred to data transmission unit;

Indoor temperature transmitter is used for the monitoring of user indoor temperature, and arrives receiving instrument by wireless way for transmitting.

Further, as preferred version, transmit by the CDMA mode between data transmission unit and the computer.

Further, as preferred version, described computer further comprises: real-time data acquisition module, real-time data curve module, the on-the-spot animation display module of real-time Simulation, abnormal alarm module, the inquiry of historical data module.

Further, as preferred version, described valve monitoring system and wireless room temperature system have the internet port.

Owing to adopting the wireless indoor sensor, can make things convenient for and measure in real time indoor temperature, can reasonably formulate and revise outdoor temperature and secondary for the operation curve of temperature, thereby effectively control the valve opening of heat exchange station, energy efficient under the prerequisite that guarantees user's room temperature instructs the long distance control system of regulating the heat exchange station valve opening can satisfy final hot user's heating demand according to room temperature.Also effectively save simultaneously energy consumption, realized the maximization of using energy source, reached the purpose of energy efficiency, can energy efficient more than 15%.

Description of drawings

Fig. 1 is the heating system frame diagram;

Fig. 2 regulates the long distance control system block diagram of heat exchange station valve opening;

Fig. 3 is wireless indoor temperature measurement system block diagram;

Fig. 4 is according to outdoor temperature adjustment curve figure.

The specific embodiment

Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.

Shown in Fig. 2,3, a kind of long distance control system of regulating the heat exchange station valve opening based on wireless room temperature is characterized in that, comprising:

Data transmission unit (2,10) is used for transmitting between the data;

Heat-exchanging station controlling cabinet 3 is used for control valve site 4, collection outdoor temperature 7, secondary for temperature sensor temperature 5, other pressure-temperature sensor 6;

Receiving instrument 9 is used for receiving the data that the wireless indoor temperature sensor sends, and is transferred to data transmission unit;

This monitoring system is owing to adopting the whole network Centralized Monitoring, various technological parameters have been recorded in computer acquisition, as: temperature, pressure, flow, voltage, electric current etc. are the heat supply data query, heat supply analysis calculates good foundation is provided, and also lays a good foundation for heat supply in the coming year.Monitoring system has the powerful functions such as real-time data acquisition, real-time data curve, the on-the-spot animation demonstration of real-time Simulation, abnormal alarm, (Long-distance Control), the inquiry of historical data, history curve, printing, geography information.

Remote monitoring comprises telemonitoring and two aspects of Long-distance Control, can monitor, be recorded to all service datas of each heat exchange station in the control centre, when fortuitous event occurring, eject the warning picture on the software, also the mode of warning message with note sent on related personnel's mobile phone simultaneously.The operation of Long-distance Control heat exchange station such as the start and stop pump, is regulated the rotating speed of pump, the start and stop of circulating pump, the start and stop of small pump, simultaneously can the regulating electric valve opening.

Embodiment 2

Such as Fig. 4, according to age material and the warming characteristic of building, tentatively formulate an outdoor temperature and secondary for the curve of temperature setting value.

Outdoor temperature according to reality sets value for temperature according to the actual secondary in curve calculation ground, and then secondary supplies temperature setting value and the secondary of reality to supply temperature to carry out the valve opening that the primary water side is regulated in the PID computing, thereby reaches closed-loop control.(so-called PID control is exactly in a closed-loop control system, makes controlled physical quantity can be infinitely close to rapidly and exactly a kind of means of control target.)。

Finely tune according to user indoor temperature, can guarantee end user's indoor temperature energy efficient up to standard and maximum, really can accomplish under the prerequisite that guarantees heating quality, to save the spent energy.

Concrete control method is as follows:

Come micro-modification outdoor temperature and secondary for the T1 in the temperature setting value curve according to user's room temperature ... the numerical value of T9 is if reduce T1 when room temperature is high ... the T9 value.If increase T1 when room temperature is low ... the value of T9.For example: certain heat exchange station, user's room temperature of all selective examination all are higher than 22 when spending, first with T1 ... the numerical value of T9 reduces about 0.5, goes back Gao Shizai after two hours and falls about 0.5, so slowly reduces T1 ... the numerical value of T9 is reduced at most about 2 degree.Until the minimum room temperature of user can remain on 19 the degree about till.If individual 18 degree that else are lower than are arranged, with T1 in user's room temperature of certain thermal substation selective examination ... T9 numerical value increases about 1 degree, if increase again about 1 degree when also low after two hours, until keep minimum user's room temperature be about 18 degree till.

The above only is preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.