CN202995510U - Ventilation and cooling device of electric power capacitor chamber - Google Patents
Ventilation and cooling device of electric power capacitor chamber Download PDFInfo
- Publication number
- CN202995510U CN202995510U CN 201220600735 CN201220600735U CN202995510U CN 202995510 U CN202995510 U CN 202995510U CN 201220600735 CN201220600735 CN 201220600735 CN 201220600735 U CN201220600735 U CN 201220600735U CN 202995510 U CN202995510 U CN 202995510U
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- power capacitor
- aeration
- chamber
- module
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- 239000003990 capacitor Substances 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 238000009423 ventilation Methods 0.000 title abstract description 4
- 238000004891 communication Methods 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 3
- 230000009466 transformation Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The present utility model discloses a ventilation and cooling device of an electric power capacitor chamber. The device comprises an embedded RAM central processor, a blower fan, a bus module, an indoor temperature sensor group, an indoor humidity sensor group and an outdoor temperature sensor group, the embedded RAM central processor is respectively connected with the outdoor temperature sensor group, the indoor temperature sensor group and the indoor humidity sensor group through the bus module, and an output end of the embedded RAM central processor is connected with a frequency converter and the blower fan through a transformation/industrial switching module to adjust and control the working states of the frequency converter and the blower fan. the indoor temperature and humidity state of a capacitor can be monitored and controlled in real time, and an excellent operation environment can be created for indoor devices.
Description
Technical field
The utility model relates to the logical regulating device of physical parameter of a kind of power capacitor chamber, particularly the aeration-cooling device of a kind of power capacitor chamber.
Background technology
Power capacitor is a kind of static reactive-load compensation equipment.Its Main Function is to provide reactive power to electric system, improves power factor.Adopt reactive-load compensation on the spot, can reduce transmission line of electricity and carry electric current, play and reduce circuit energy loss and pressure drop, improve the vital role of the quality of power supply and raising plant factor.Reactive-load compensation mainly done in electric system by power capacitor or phase shift is used, and is installed in large quantities in transformer stations at different levels.The normal operation of these capacitors is to ensureing playing an important role for power quality and benefit of electric system.
According to the relevant technologies condition regulation of power capacitor, its working environment is generally take 40 ℃ as the upper limit.Therefore to pay special attention to ventilation, heat radiation and the radiation problem of capacitor under actual applying working condition in the use of capacitor.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and provides a kind of heat that power capacitor is in operation produce in time to distribute, to reach the aeration-cooling device of the power capacitor chamber that extends capacitor actual life.
The aeration-cooling device of a kind of power capacitor chamber, include embedded RAM center processor, blower fan, bus module, indoor temperature transmitter group, indoor humidity sensor group, the outdoor temperature sensor group, embedded RAM center processor is connected with outdoor temperature sensor, indoor temperature transmitter, indoor humidity sensor respectively by bus module, the duty that the output terminal of embedded RAM central processing unit is connected with blower fan with frequency converter and controls frequency converter and blower fan to regulate by change/work handover module.
By embedded RAM center processor as main control unit, when have data from the temperature, when the humidity sensor group transmits, at first receives and processes by bus module, with the processing after data send into the RAM center processor.As occur that indoor temperature exceeds standard or humidity over limit, make the blower fan power frequency operation by change/work handover module, to realize the adjusting of temperature.
The aeration-cooling device of described power capacitor chamber also is provided with communication module, and communication module is connected with embedded RAM center processor, realizes that heat sink is connected with the communication of host computer.
Described communication module includes wireless communication module and wire communication module.
Described communication module comprises RS-485 communication module and GMS wireless network communication module.
The aeration-cooling device of described power capacitor chamber also includes LCDs, rolling crystal display screen is connected with embedded RAM center processor, embedded RAM central processing unit shows by LCDs temperature, the humidity parameter that output is current, and can regulate temperature, humidity parameter default in central processing unit by keyboard.
The output terminal of described embedded RAM central processing unit is connected with alarm module.
Described alarm module comprises Wireless alarm module, indicating lamp module or audio alert module.
Described embedded RAM center processor includes CPU processing unit, bus extension CPU unit, and CPU processing unit wherein is responsible for receiving the data of bus input and is responsible for decoding and computing, and it is single without storage that the data after processing are sent into the bus extension CPU.
In sum, the utility model following advantage compared to existing technology:
The aeration-cooling device of power capacitor of the present utility model chamber by embedded RAM center processor (CPU processing unit, bus extension CPU unit) as main control unit, when data being arranged from temperature, when the humidity sensor group transmits, at first receive and process by the RS-485 bus module, data after processing are sent into the CPU processing unit, the CPU processing unit is responsible for decoding and computing, and by the bus extension CPU, complete the storage of image data, liquid crystal display is responsible for showing operation result.As occurring that indoor temperature exceeds standard or humidity over limit, the CPU processing unit is controlled electric control module and is made the blower fan power frequency operation, sends alarm command simultaneously and complete warning.
Be provided with respectively two kinds of communication modules of RS-485 communication module and GMS wireless network communication module in system, be responsible for receiving and sending data, realize communicating by letter with host computer by wired and wireless communication mode respectively, realize that the far-end of data is controlled.
Work frequency conversion handover module, can automatically switch when frequency converter breaks down as the disconnector of blower fan and frequency converter and CPU processing unit, and main circuit is disconnected, and makes blower fan be in the power frequency state.
Described pilot lamp adopts the LED state indication to comprise operation indication, overtemperature indication, super wet indication, indicating fault.During normal operation, only run indicator is bright, and the pilot lamp of correspondence is bright when overtemperature, super wet, frequency converter failure occurring.
When temperature, the humidity that sensor is measured had surpassed the limit set and frequency converter and breaks down, buzzer siren can send the sound of " dripping " continuously.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with embodiment, the utility model is described in more detail.
Embodiment 1
The aeration-cooling device of a kind of power capacitor chamber, comprise by embedded RAM center processor, blower fan, bus module, indoor temperature transmitter, indoor humidity sensor, outdoor temperature sensor, described embedded RAM center processor include CPU processing unit, bus extension CPU unit, CPU processing unit wherein is responsible for receiving the data of bus input and is responsible for decoding and computing, and it is single without storage that the data after processing are sent into the bus extension CPU.Embedded RAM center processor is connected with outdoor temperature sensor group, indoor temperature transmitter group, indoor humidity sensor group respectively by bus module, the duty that the output terminal of embedded RAM central processing unit is connected with blower fan with frequency converter and controls frequency converter and blower fan to regulate by change/work handover module.The aeration-cooling device of described power capacitor chamber also is provided with communication module, and communication module is connected with embedded RAM center processor, realizes that heat sink is connected with the communication of host computer.Described communication module includes wireless communication module and wire communication module.The aeration-cooling device of described power capacitor chamber also includes LCDs, rolls crystal display screen and is connected with the program ram controller.The output terminal of described described embedded RAM central processing unit is connected with alarm module.Described alarm module comprises Wireless alarm module, pilot lamp or audio alert module.
The specific implementation process of the aeration-cooling device of the power capacitor chamber of the utility model embodiment:
1, the sensor by peripheral hardware, accurately monitor indoor situation: the temperature that the temperature sensor Real Time Monitoring is indoor, compare by the temperature with default, decide frequency increase or reduce by embedded RAM center processor, to control the size of intake; The humidity that the humidity sensor Real Time Monitoring is indoor exceeds when setting top limit of humidity, and full speed running blower fan is to reach loose wet purpose.
2, embedded RAM central processing unit and frequency converter can be realized the control to rotation speed of fan, the ventilation in conditioning chamber.In order to guarantee to obtain the actual conditions of capacitor chamber temperature, can at indoor several temperature sensors that arranges of electric capacity, get its medial temperature as current indoor reference temperature.
3, sets of temperature sensors gathers indoor temperature, and the humidity sensor group gathers indoor humidity, delivers to embedded RAM center processor by the RS-485 bus module.Send operational order to frequency converter after embedded RAM center processor processing signals, the power supply of frequency converter output corresponding frequencies is controlled motor speed, realizes the closed loop frequency control.Send into new wind by blower fan to functional compartments, the heat that is produced to take away power-equipment and thermal source.
4, system has manual power frequency, two kinds of working methods of automatic frequency-conversion.During for certain need of work or frequency conversion system fault, can take to isolate frequency conversion system, with manual power frequency operation blower fan.The frequency of frequency converter output manually is set, isolates embedded RAM center processor controlling unit, can realize the automatic frequency-conversion operation.In automatic frequency-conversion when operation,, main circuit is according to the requirement of embedded RAM center processor, to frequency converter, blower fan implement to start, stop, switching and converting operation.
5, when indoor temperature, humidity exceed the default scope or system produce fault, embedded RAM center processor sends alarm command, by LED state pilot lamp, hummer, sound circuit, sends the light audio alert; Send alerting signal by 485 communication modules, GMS wireless communication module to host computer simultaneously.
6, host computer can pass through the current state of 485 communication modules, GMS wireless communication module real-time query aeration-cooling device, realizes real-time perception and the remote monitoring of running situation, realizes human-computer interaction.
7, can manually set the running status of aeration-cooling device by keyboard, host computer also can come each operational factor of initialization system by 485 communication modules, GMS wireless communication module simultaneously.
It is same as the prior art that the present embodiment is not stated part.
Claims (8)
1. the aeration-cooling device of a power capacitor chamber, it is characterized in that: include embedded RAM center processor, blower fan, bus module, indoor temperature transmitter group, indoor humidity sensor group, the outdoor temperature sensor group, embedded RAM center processor is connected with outdoor temperature sensor, indoor temperature transmitter, indoor humidity sensor respectively by bus module, the duty that the output terminal of embedded RAM central processing unit is connected with blower fan with frequency converter and controls frequency converter and blower fan to regulate by change/work handover module.
2. the aeration-cooling device of power capacitor according to claim 1 chamber is characterized in that: the aeration-cooling device of described power capacitor chamber also is provided with communication module, and communication module is connected with embedded RAM center processor.
3. the aeration-cooling device of power capacitor according to claim 2 chamber, it is characterized in that: described communication module includes wireless communication module and wire communication module.
4. the aeration-cooling device of power capacitor according to claim 3 chamber, it is characterized in that: described communication module comprises RS-485 communication module and GMS wireless network communication module.
5. the aeration-cooling device of power capacitor according to claim 4 chamber is characterized in that: the aeration-cooling device of described power capacitor chamber also includes LCDs, rolls crystal display screen and is connected with the program ram controller.
6. the aeration-cooling device of power capacitor according to claim 5 chamber, it is characterized in that: the output terminal of described embedded RAM central processing unit is connected with alarm module.
7. the aeration-cooling device of power capacitor according to claim 6 chamber, it is characterized in that: described alarm module comprises Wireless alarm module, indicating lamp module or audio alert module.
8. the aeration-cooling device of any one described power capacitor of according to claim 1 to 7 chamber, it is characterized in that: described embedded RAM center processor includes CPU processing unit, bus extension CPU unit, CPU processing unit wherein is responsible for receiving the data of bus input and is responsible for decoding and computing, and it is single without storage that the data after processing are sent into the bus extension CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600735 CN202995510U (en) | 2012-11-14 | 2012-11-14 | Ventilation and cooling device of electric power capacitor chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220600735 CN202995510U (en) | 2012-11-14 | 2012-11-14 | Ventilation and cooling device of electric power capacitor chamber |
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| Publication Number | Publication Date |
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| CN202995510U true CN202995510U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220600735 Expired - Fee Related CN202995510U (en) | 2012-11-14 | 2012-11-14 | Ventilation and cooling device of electric power capacitor chamber |
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| CN (1) | CN202995510U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607162A (en) * | 2013-12-11 | 2014-02-26 | 济南诺辉节能技术开发有限公司 | On-line switching device of frequency conversion and power frequency |
| CN103869851A (en) * | 2014-03-28 | 2014-06-18 | 国网上海市电力公司 | Fan control box for open-type capacitor room and control method of fan control box |
| CN103984379A (en) * | 2014-05-05 | 2014-08-13 | 国家电网公司 | Capacitor room temperature and humidity monitoring device |
| CN105470833A (en) * | 2016-01-20 | 2016-04-06 | 山东纵华智能电气有限公司 | Floor type prepayment apparatus |
| CN105573370A (en) * | 2015-12-18 | 2016-05-11 | 国家农产品保鲜工程技术研究中心（天津） | Fruit and vegetable simple storage place automatic measurement and control apparatus and application method |
| CN114374163A (en) * | 2022-01-11 | 2022-04-19 | 国网山东省电力公司滨州供电公司 | Capacitor chamber ventilation cooling online monitoring system and method |
-
2012
- 2012-11-14 CN CN 201220600735 patent/CN202995510U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607162A (en) * | 2013-12-11 | 2014-02-26 | 济南诺辉节能技术开发有限公司 | On-line switching device of frequency conversion and power frequency |
| CN103607162B (en) * | 2013-12-11 | 2016-04-13 | 济南诺辉节能技术开发有限公司 | The online switching device shifter of frequency conversion power frequency |
| CN103869851A (en) * | 2014-03-28 | 2014-06-18 | 国网上海市电力公司 | Fan control box for open-type capacitor room and control method of fan control box |
| CN103984379A (en) * | 2014-05-05 | 2014-08-13 | 国家电网公司 | Capacitor room temperature and humidity monitoring device |
| CN105573370A (en) * | 2015-12-18 | 2016-05-11 | 国家农产品保鲜工程技术研究中心（天津） | Fruit and vegetable simple storage place automatic measurement and control apparatus and application method |
| CN105470833A (en) * | 2016-01-20 | 2016-04-06 | 山东纵华智能电气有限公司 | Floor type prepayment apparatus |
| CN105470833B (en) * | 2016-01-20 | 2017-07-28 | 山东纵华智能电气有限公司 | One kind landing prepaid devices |
| CN114374163A (en) * | 2022-01-11 | 2022-04-19 | 国网山东省电力公司滨州供电公司 | Capacitor chamber ventilation cooling online monitoring system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20181114 |