CN104216444A - Temperature and humidity measurement based secondary equipment cooling and dehumidification system - Google Patents
Temperature and humidity measurement based secondary equipment cooling and dehumidification system Download PDFInfo
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- CN104216444A CN104216444A CN201410415444.1A CN201410415444A CN104216444A CN 104216444 A CN104216444 A CN 104216444A CN 201410415444 A CN201410415444 A CN 201410415444A CN 104216444 A CN104216444 A CN 104216444A
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Abstract
The invention discloses a temperature and humidity measurement based secondary equipment cooling and dehumidification system. The system comprises a plurality of sets of secondary equipment cooling and dehumidification devices mounted to a back door of a protective panel, a temperature and humidity sensing module arranged inside the protective panel is utilized to transmit temperature and humidity data of the protective panel where secondary equipment is located to a station end operation and management workstation in real time, the cooling and dehumidification devices are started or stopped according to certain processing strategies, and the internal temperature and humidity inside the panel is enabled to be in a relatively stable state suitable for operation of the secondary equipment. The system has a cooling and dehumidification device starting function, the cooling and dehumidification devices can be started or stopped through the processing strategies, the internal temperature and humidity inside the panel is enabled to be in the relatively stable state suitable for operation of the secondary equipment, and accordingly long-time stable operation of the secondary equipment is benefited, and safety and reliability of a secondary system are improved.
Description
Technical field
The invention belongs to substation secondary device technical field, particularly relate to a kind of secondary device cooling and dehumidifying system based on Temperature and Humidity.
Background technology
At present; protection room secondary device focuses mostly on and is arranged in screen cabinet; summer high temperature period; transforming plant protecting indoor temperature raises; although indoor configuration is large power air-conditioned; but space is relatively airtight in secondary device screen cabinet, and in electronic devices and components operation, thermal value is comparatively large, secondary device in screen cabinet is very easily caused to be in overtemperature state.Long-time overheating operation, easily makes electronic devices and components, secondary circuit accelerated deterioration, secondary device plate or loop damage even occurs, serious threat secondary device and power grid security.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of secondary device cooling and dehumidifying system based on Temperature and Humidity, is intended to solve protection room secondary device radiating efficiency low, affects the problem in serviceable life.
The embodiment of the present invention realizes like this, based on a secondary device cooling and dehumidifying system for Temperature and Humidity, should comprise based on secondary device cooling and dehumidifying system of Temperature and Humidity: system and temperature acquisition and control module in monitoring client management system, Substation Station; Monitoring client management system is connected by network with system in Substation Station; Monitoring client management system comprises server and remotely monitor and control workstation, in Substation Station, system comprises some wireless humiture data acquisition and controlling modules and transformer station's production management system workstation, and temperature acquisition and control module are by system in wireless humiture data acquisition and controlling model calling Substation Station.
Further, in humiture collection and control module, DS18B20 digital temperature sensor selected by temperature sensor, in order to complete the collection of secondary device room temperature; HM1500/1520 humidity sensor selected by humidity sensor, in order to complete the collection of secondary device room humidity.
Further, in gatherer process, microprocessor carries out filtering by the way of median average filter to the temperature collected and humidity, specific implementation process is: each in the measurement of temperature or humidity, complete 9 samplings, then 9 samplings are sorted, get the 5th data as each measurement result.
Further, collection result and pre-set temperature and top limit of humidity value, after the collection at every turn completing temperature and humidity, all can compare by microcontroller; When temperature is too high, No. 1 fan can be started secondary device room is lowered the temperature; When humidity is too high, No. 2 fans can be started and dehumidified in secondary device room.Carrying out in cool-down dehumidification process, the degree that microcontroller differs with higher limit according to humiture, and the rotating speed adjusting fan, to realize the fast cooling dehumidifying of secondary device room.
Further, fan drive circuit adopts thyristor driving circuit, and the PWM output interface of microcontroller, by exporting the pwm signal of different duty, completes the adjustment of electric fan wind speed.
Further, in transformer station's production management workstation, a wireless receiver is installed, receive the order of higher level pulpit, by defining different addresses to the wireless receiver in different humiture collection and control module, realize the temperature to many group humiture collections and control module, humidity differentiates that higher limit is changed, each humiture collection and control module also superior pulpit send Real-time Collection to the temperature of secondary device room and humidity data, for artificial real time monitoring.
Secondary device cooling and dehumidifying system based on Temperature and Humidity provided by the invention, comprise some cover secondary device cool-down dehumidification devices, be installed on protection screen cabinet back door, utilize the temperature and humidity sensing module being installed in screen cabinet inside, the humiture data of shielding cabinet residing for secondary device are sent in real time station end operational management workstation, according to certain processing policy, start or stop cool-down dehumidification device, make the inner humiture of screen cabinet be in the metastable state being suitable for secondary device work; Have and start cool-down dehumidification apparatus function, can processing policy be passed through, cool-down dehumidification device is started or stoped, make the inner humiture of screen cabinet be in the metastable state being suitable for secondary device work, be conducive to secondary device long-time steady operation, improve electrical secondary system safe reliability.
Accompanying drawing explanation
Fig. 1 is the secondary device cooling and dehumidifying system structural representation based on Temperature and Humidity that the embodiment of the present invention provides;
Fig. 2 is the connection diagram of the temperature acquisition that provides of the embodiment of the present invention and control module;
In figure: 1, monitoring client management system; 2, system in Substation Station; 3, temperature acquisition and control module;
Fig. 3 is the fan drive circuit schematic diagram that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, the secondary device cooling and dehumidifying system based on Temperature and Humidity of the embodiment of the present invention is primarily of system 2, temperature acquisition and control module 3 in monitoring client management system 1, Substation Station;
System 2 in monitoring client management system 1 and Substation Station, is connected by network; Monitoring client management system 1 comprises server and remotely monitor and control workstation, and in Substation Station, system 2 comprises some wireless humiture data acquisition and controlling modules and transformer station's production management system workstation.
In humiture collection and control module 3, DS18B20 digital temperature sensor selected by temperature sensor, in order to complete the collection of secondary device room temperature; HM1500/1520 humidity sensor selected by humidity sensor, in order to complete the collection of secondary device room humidity.In gatherer process, microprocessor carries out filtering by the way of median average filter to the temperature collected and humidity, specific implementation process is: each in the measurement of temperature or humidity, capital completes 9 samplings, then 9 samplings are sorted, get the 5th data as each measurement result, this filter method can overcome the fluctuation interference that accidentalia causes effectively.
Collection result and pre-set temperature and top limit of humidity value, after the collection at every turn completing temperature and humidity, all can compare by microcontroller.When temperature is too high, No. 1 fan can be started secondary device room is lowered the temperature; When humidity is too high, No. 2 fans can be started and dehumidified in secondary device room.Carrying out in cool-down dehumidification process, the degree that microcontroller can differ with higher limit according to humiture, and adjusting the rotating speed of fan, to realize the fast cooling dehumidifying of secondary device room.Fan drive circuit adopts thyristor driving circuit as shown in Figure 3, and the PWM output interface of microcontroller, by exporting the pwm signal of different duty, completes the adjustment of electric fan wind speed.
Complete on the basis of secondary device cool-down dehumidification process in the above automatic control by humiture collection and control module 3, a wireless receiver has been installed in transformer station's production management system workstation, this transceiver can receive the order of higher level pulpit, by defining different addresses to the wireless receiver in different humiture collection and control module, the temperature to many group humiture collections and control module can be realized, humidity differentiates that higher limit is changed.Meanwhile, each humiture collection and control module also can superior pulpit send Real-time Collection to the temperature of secondary device room and humidity data, for artificial real time monitoring.
Principle of work of the present invention: the secondary device cooling and dehumidifying system of the embodiment of the present invention; comprise secondary device cool-down dehumidification device; be installed on protection screen cabinet back door; utilize the temperature and humidity sensing module being installed in screen cabinet inside; the humiture data of shielding cabinet residing for secondary device are sent in real time station end operational management workstation; according to certain processing policy, start cool-down dehumidification device, make the inner humiture of screen cabinet be in the metastable state being suitable for secondary device work.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. based on a secondary device cooling and dehumidifying system for Temperature and Humidity, it is characterized in that, should comprise based on secondary device cooling and dehumidifying system of Temperature and Humidity: system and temperature acquisition and control module in monitoring client management system, Substation Station; Monitoring client management system is connected by network with system in Substation Station; Monitoring client management system comprises server and remotely monitor and control workstation, in Substation Station, system comprises some wireless humiture data acquisition and controlling modules and transformer station's production management system workstation, and temperature acquisition and control module are by system in wireless humiture data acquisition and controlling model calling Substation Station.
2., as claimed in claim 1 based on the secondary device cooling and dehumidifying system of Temperature and Humidity, it is characterized in that, in humiture collection and control module, DS18B20 digital temperature sensor selected by temperature sensor, in order to complete the collection of secondary device room temperature; HM1500/1520 humidity sensor selected by humidity sensor, in order to complete the collection of secondary device room humidity.
3. as claimed in claim 2 based on the secondary device cooling and dehumidifying system of Temperature and Humidity, it is characterized in that, in gatherer process, microprocessor carries out filtering by the way of median average filter to the temperature collected and humidity, specific implementation process is: each in the measurement of temperature or humidity, complete 9 samplings, then 9 samplings are sorted, get the 5th data as each measurement result.
4. as claimed in claim 3 based on the secondary device cooling and dehumidifying system of Temperature and Humidity, it is characterized in that, collection result and pre-set temperature and top limit of humidity value, after the collection at every turn completing temperature and humidity, all can compare by microcontroller; When temperature is too high, No. 1 fan can be started secondary device room is lowered the temperature; When humidity is too high, No. 2 fans can be started and dehumidified in secondary device room; Carrying out in cool-down dehumidification process, the degree that microcontroller differs with higher limit according to humiture, and the rotating speed adjusting fan, to realize the fast cooling dehumidifying of secondary device room.
5. as claimed in claim 4 based on the secondary device cooling and dehumidifying system of Temperature and Humidity, it is characterized in that, fan drive circuit adopts thyristor driving circuit, and the PWM output interface of microcontroller, by exporting the pwm signal of different duty, completes the adjustment of electric fan wind speed.
6. as claimed in claim 1 based on the secondary device cooling and dehumidifying system of Temperature and Humidity, it is characterized in that, in transformer station's production management workstation, a wireless receiver is installed, receive the order of higher level pulpit, by defining different addresses to the wireless receiver in different humiture collection and control module, realize the temperature to many group humiture collections and control module, humidity differentiates that higher limit is changed, each humiture collection and control module also superior pulpit send Real-time Collection to the temperature of secondary device room and humidity data, for artificial real time monitoring.
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| CN201410415444.1A CN104216444A (en) | 2014-08-21 | 2014-08-21 | Temperature and humidity measurement based secondary equipment cooling and dehumidification system |
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Cited By (8)
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| CN105892534A (en) * | 2016-04-06 | 2016-08-24 | 国网福建省电力有限公司 | Large-scale cabinet heater control and condensation alarm method |
| CN105955366A (en) * | 2016-06-16 | 2016-09-21 | 国家电网公司 | Detection controller for operating environment of secondary device |
| CN106681406A (en) * | 2016-12-30 | 2017-05-17 | 北京金风科创风电设备有限公司 | Anti-condensation control system and control method |
| CN107422755A (en) * | 2017-09-29 | 2017-12-01 | 中车青岛四方车辆研究所有限公司 | Humidity controlling unit, stucco system and stucco system humidity control method |
| CN108120475A (en) * | 2017-12-15 | 2018-06-05 | 新疆城建试验检测有限公司 | The data monitoring method and device of a kind of piping lane |
| CN108294617A (en) * | 2018-01-05 | 2018-07-20 | 袁沛兰 | A kind of intelligence rice roll machine |
| CN109283959A (en) * | 2018-10-18 | 2019-01-29 | 国网上海市电力公司 | Large-scale substation emphasis facility monitoring system and method based on low-power wireless communication |
| CN113917963A (en) * | 2021-10-26 | 2022-01-11 | 国网山东省电力公司临沂供电公司 | Remote temperature and humidity detection control system for transformer substation cabinet |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892534A (en) * | 2016-04-06 | 2016-08-24 | 国网福建省电力有限公司 | Large-scale cabinet heater control and condensation alarm method |
| CN105892534B (en) * | 2016-04-06 | 2017-12-08 | 国网福建省电力有限公司 | A kind of Large Box heater counter control and condensation alarm method |
| CN105955366A (en) * | 2016-06-16 | 2016-09-21 | 国家电网公司 | Detection controller for operating environment of secondary device |
| CN106681406A (en) * | 2016-12-30 | 2017-05-17 | 北京金风科创风电设备有限公司 | Anti-condensation control system and control method |
| CN107422755A (en) * | 2017-09-29 | 2017-12-01 | 中车青岛四方车辆研究所有限公司 | Humidity controlling unit, stucco system and stucco system humidity control method |
| CN108120475A (en) * | 2017-12-15 | 2018-06-05 | 新疆城建试验检测有限公司 | The data monitoring method and device of a kind of piping lane |
| CN108294617A (en) * | 2018-01-05 | 2018-07-20 | 袁沛兰 | A kind of intelligence rice roll machine |
| CN109283959A (en) * | 2018-10-18 | 2019-01-29 | 国网上海市电力公司 | Large-scale substation emphasis facility monitoring system and method based on low-power wireless communication |
| CN113917963A (en) * | 2021-10-26 | 2022-01-11 | 国网山东省电力公司临沂供电公司 | Remote temperature and humidity detection control system for transformer substation cabinet |
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Application publication date: 20141217 |