CN102904180B - Heat dissipation control device of switch cabinet - Google Patents
Heat dissipation control device of switch cabinet Download PDFInfo
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- CN102904180B CN102904180B CN201210410271.5A CN201210410271A CN102904180B CN 102904180 B CN102904180 B CN 102904180B CN 201210410271 A CN201210410271 A CN 201210410271A CN 102904180 B CN102904180 B CN 102904180B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 18
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Abstract
The invention discloses a kind of switch cabinet of converting station supervising device, be specifically related to a kind of heat dissipation control device of switch cabinet, including PCB and radiating module, described PCB includes power transfer module, temperature collect module, Current amplifier module and microprocessor.The present invention temperature signal by microcomputer reads temperature sensor, and send PWM ripple signal by conversion, power according to PWM ripple signal controls the heat radiation power of radiating module, have reliability height, safety is good, installation site is flexible, thermometric advantage accurately, it is adaptable to the contactless temperature-measuring equipment in switch cabinet of converting station.
Description
Technical field
The present invention relates to a kind of switch cabinet of converting station supervising device, be specifically related to a kind of heat dissipation control device of switch cabinet.
Background technology
Switch cubicle is the key equipment of transformer station, and its properly functioning direct relation the safe operation of whole electrical network.Change due to operating environment so that switch cabinet contact temperature may raise extremely, thus causes fire incident.In actual operation, by sensor, switch cubicle being carried out temperature detection is a kind of critically important means, but owing to sensor needs long-term work, the control of itself temperature is also very important with detection, make its temperature be in all the time in normal range by high-temperature sensor parts carry out radiating treatment, be the important method taking precautions against temperature fault accident.
Summary of the invention
It is an object of the invention to provide a kind of heat dissipation control device of switch cabinet, solve the sensor own temperature detection for detecting switch cabinet of converting station temperature and the problem of heat radiation, overcome the deficiencies in the prior art.
For solving above-mentioned technical problem, the present invention is by the following technical solutions: a kind of heat dissipation control device of switch cabinet, including PCB circuit board and radiating module, described PCB circuit board includes power transfer module, temperature collect module, Current amplifier module and microprocessor, described power transfer module is powered to radiating module by Current amplifier module for 220V alternating voltage is converted into 12V DC voltage, 12V DC voltage is converted into 3.3V DC voltage to temperature collect module and microprocessor power supply；Described temperature collect module is for collecting temperature signal and sends to microprocessor；Described microprocessor sends to Current amplifier module for the temperature signal received is converted into PWM ripple signal；Described Current amplifier module is used for receiving PWM ripple signal and the power according to PWM ripple signal amplifies the supply current controlling radiating module.
For making the present invention play superior technique effect:
Further technical scheme is that said temperature acquisition module is mainly made up of DS18B20 temperature sensor, and microprocessor is mainly made up of the STM32 with programing function.
Further technical scheme is that above-mentioned Current amplifier module is mainly made up of the H bridge amplifying circuit including four MOS pipes.
Further technical scheme is that above-mentioned radiating module includes motor and fan.
Further technical scheme be above-mentioned power transfer module be, by 1117-3.3 power voltage step down chip, 12V DC voltage is converted into 3.3V DC voltage.
Compared with prior art, the invention has the beneficial effects as follows: the present invention temperature signal by microcomputer reads temperature sensor, and send PWM ripple signal by conversion, power according to PWM ripple signal controls the heat radiation power of radiating module, have reliability height, safety is good, installation site is flexible, thermometric advantage accurately, it is adaptable to the contactless temperature-measuring equipment in switch cabinet of converting station.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of one embodiment of heat dissipation control device of switch cabinet of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows an embodiment of heat dissipation control device of switch cabinet of the present invention: a kind of heat dissipation control device of switch cabinet, including PCB circuit board and radiating module, described PCB circuit board includes power transfer module, temperature collect module, Current amplifier module and microprocessor, described power transfer module is powered to radiating module by Current amplifier module for 220V alternating voltage is converted into 12V DC voltage, 12V DC voltage is converted into 3.3V DC voltage to temperature collect module and microprocessor power supply；
Described temperature collect module is for collecting temperature signal and sends to microprocessor；
Described microprocessor sends to Current amplifier module for the temperature signal received is converted into PWM ripple signal；
Described Current amplifier module is amplified to the supply current controlling radiating module for receiving PWM ripple signal the power according to PWM ripple signal.
According to another embodiment of heat dissipation control device of switch cabinet of the present invention, temperature collect module is mainly made up of DS18B20 temperature sensor, and microprocessor is mainly made up of the STM32 with programing function.
According to another embodiment of heat dissipation control device of switch cabinet of the present invention, Current amplifier module is mainly made up of the H bridge amplifying circuit including four MOS pipes.
According to another embodiment of heat dissipation control device of switch cabinet of the present invention, radiating module includes motor and fan.As preferably, motor and fan are to be connected with each other by ball bearing, and the size of described motor is 80*80*25 millimeter.
According to another embodiment of heat dissipation control device of switch cabinet of the present invention, power transfer module is, by 1117-3.3 power voltage step down chip, 12V DC voltage is converted into 3.3V DC voltage.
As preferably, the square of 10*10 millimeter sized by described PCB circuit board, and foursquare four angular vertexs include the circular hole of four 3 mm dias, are used for fixing PCB circuit board；PCB circuit board and radiating module are to pass through plain conductor
It is connected.
According to Fig. 1, its operation principle is: 220V alternating voltage is converted into 12V DC voltage and is powered to radiating module by Current amplifier module by power transfer module, and by 1117-3.3 power voltage step down chip, 12V DC voltage is converted into 3.3V DC voltage to temperature collect module and stm32 type microprocessor power supply again, it is converted into PWM ripple signal after the temperature acquisition signal that stm32 type microprocessor receives to send to Current amplifier module i.e. H bridge amplifying circuit, H bridge amplifying circuit amplifies the supply current controlling radiating module further according to the power of PWM ripple signal, the motor in radiating module is allowed to produce different strong and weak cold wind, play the effect of heat radiation.
Although reference be made herein to invention has been described for the multiple explanatory embodiment of the present invention, but, it should be understood that those skilled in the art can be designed that a lot of other amendments and embodiment, these amendments and embodiment will fall within spirit disclosed in the present application and spirit.More specifically, in the range of disclosure, drawings and claims, the building block of theme composite configuration and/or layout can be carried out multiple modification and improvement.In addition to the modification carrying out building block and/or layout and improvement, to those skilled in the art, other purposes also will be apparent from.
Claims (5)
1. a heat dissipation control device of switch cabinet, it is characterized in that: include PCB circuit board and radiating module, described PCB circuit board includes power transfer module, temperature collect module, Current amplifier module and microprocessor, described power transfer module is powered to radiating module by Current amplifier module for 220V alternating voltage is converted into 12V DC voltage, 12V DC voltage is converted into 3.3V DC voltage to temperature collect module and microprocessor power supply；Described temperature collect module is for collecting temperature signal and sends to microprocessor；Described microprocessor sends to Current amplifier module for the temperature signal received is converted into PWM ripple signal；Described Current amplifier module is used for receiving PWM ripple signal and the power according to PWM ripple signal amplifies the supply current controlling radiating module.
2. according to the heat dissipation control device of switch cabinet described in claim 1, it is characterised in that: described temperature collect module is mainly made up of DS18B20 temperature sensor, and microprocessor is mainly made up of the STM32 with programing function.
3. according to the heat dissipation control device of switch cabinet described in claim 1, it is characterised in that: described Current amplifier module is mainly made up of the H bridge amplifying circuit including four MOS pipes.
4. according to the heat dissipation control device of switch cabinet described in claim 1, it is characterised in that: described radiating module includes motor and fan.
5. according to the heat dissipation control device of switch cabinet described in claim 1, it is characterised in that: described power transfer module is, by 1117-3.3 power voltage step down chip, 12V DC voltage is converted into 3.3V DC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410271.5A CN102904180B (en) | 2012-10-24 | 2012-10-24 | Heat dissipation control device of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410271.5A CN102904180B (en) | 2012-10-24 | 2012-10-24 | Heat dissipation control device of switch cabinet |
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| Publication Number | Publication Date |
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| CN102904180A CN102904180A (en) | 2013-01-30 |
| CN102904180B true CN102904180B (en) | 2016-09-21 |
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| CN201210410271.5A Active CN102904180B (en) | 2012-10-24 | 2012-10-24 | Heat dissipation control device of switch cabinet |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353709A (en) * | 2015-12-04 | 2016-02-24 | 重庆臻远电气有限公司 | Lightning protection switchgear monitoring apparatus |
| CN105353708A (en) * | 2015-12-04 | 2016-02-24 | 重庆臻远电气有限公司 | Switchgear monitoring device |
| CN107765743A (en) * | 2017-10-18 | 2018-03-06 | 国网江苏省电力公司南通供电公司 | Power auto-adjustment type switch cubicle temperature and humidity control device based on temperature difference control |
| CN109587993A (en) * | 2018-12-07 | 2019-04-05 | 合肥沃工电气自动化有限公司 | A kind of control cabinet modular design method based on PCB |
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| CN101710694A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | Car engine cooling fan blocking/overcurrent protection system and method |
| CN201540495U (en) * | 2009-12-04 | 2010-08-04 | 深圳创维数字技术股份有限公司 | Digital television receiver and intelligent temperature control circuit thereof |
| EP2232668A1 (en) * | 2007-12-21 | 2010-09-29 | Access Business Group International LLC | Inductive power transfer |
| CN201622455U (en) * | 2009-03-27 | 2010-11-03 | 深圳市中兴新地通信器材有限公司 | Novel heat exchanger AC control system |
| CN202120147U (en) * | 2011-05-31 | 2012-01-18 | 镇江泰丰电工设备制造有限公司 | Heat radiating device of electric cabinet |
| CN102705253A (en) * | 2012-06-15 | 2012-10-03 | 北京鼎汉技术股份有限公司 | Device and method for controlling heat radiation of switch power supply module |
| CN202957475U (en) * | 2012-10-24 | 2013-05-29 | 四川省电力公司绵阳电业局 | Heat radiation controller for switch cabinet |
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2012
- 2012-10-24 CN CN201210410271.5A patent/CN102904180B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174759A (en) * | 2007-11-15 | 2008-05-07 | 杭州大有科技发展有限公司 | Integrated monitoring apparatus for electrical power distribution |
| EP2232668A1 (en) * | 2007-12-21 | 2010-09-29 | Access Business Group International LLC | Inductive power transfer |
| CN201622455U (en) * | 2009-03-27 | 2010-11-03 | 深圳市中兴新地通信器材有限公司 | Novel heat exchanger AC control system |
| CN101710694A (en) * | 2009-11-26 | 2010-05-19 | 上海大学 | Car engine cooling fan blocking/overcurrent protection system and method |
| CN201540495U (en) * | 2009-12-04 | 2010-08-04 | 深圳创维数字技术股份有限公司 | Digital television receiver and intelligent temperature control circuit thereof |
| CN202120147U (en) * | 2011-05-31 | 2012-01-18 | 镇江泰丰电工设备制造有限公司 | Heat radiating device of electric cabinet |
| CN102705253A (en) * | 2012-06-15 | 2012-10-03 | 北京鼎汉技术股份有限公司 | Device and method for controlling heat radiation of switch power supply module |
| CN202957475U (en) * | 2012-10-24 | 2013-05-29 | 四川省电力公司绵阳电业局 | Heat radiation controller for switch cabinet |
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| CN102904180A (en) | 2013-01-30 |
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Address after: 621000 Mianyang city of Sichuan Province sword South Road West No. 16 Applicant after: Mianyang Power Supply Company, State Grid Sichuan Electric Power Company Applicant after: State Grid Corporation of China Address before: 621000 Mianyang city of Sichuan Province sword South Road West No. 16 Applicant before: Mianyang Electric Power Bureau, Sichuan Electric Power Corporation Applicant before: State Grid Corporation of China |
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