CN103135627A - Cooling temperature control system for sealed power distribution cabinet - Google Patents
Cooling temperature control system for sealed power distribution cabinet Download PDFInfo
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- CN103135627A CN103135627A CN 201110373697 CN201110373697A CN103135627A CN 103135627 A CN103135627 A CN 103135627A CN 201110373697 CN201110373697 CN 201110373697 CN 201110373697 A CN201110373697 A CN 201110373697A CN 103135627 A CN103135627 A CN 103135627A
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Abstract
Disclosed is a cooling temperature control system for a sealed power distribution cabinet. A temperature sensor A and a temperature sensor B are arranged on a sensing device and connected with a temperature determining circuit on a control device. The temperature determining circuit is connected with a temperature calculation circuit which is connected with a temperature control circuit, and the temperature control circuit is respectively connected with an axial flow fan and a refrigeration system on an adjusting device. Temperatures at different positions in a high and low voltage power distribution cabinet are measured, whether the temperatures exceed a preset value is determined through the temperature determining circuit, an average value is calculated through the calculation circuit according to the determining conditions of the temperature determining circuit towards the temperature, the temperature is adjusted through the refrigeration system and the axial flow fan, and when the temperature reaches a preset value, the adjusting device stops working or keeps the preset temperature to be unchanged. The cooling temperature control system has the advantages of being simple and accurate and good in cooling effect.
Description
Technical field
The invention belongs to the field of enclosure-type power distribution cabinet, be specifically related to a kind of heat radiation temperature control system of enclosure-type power distribution cabinet.
Background technology
in the high-low voltage electric power distribution cabinet field, interior a large amount of connectors and the various electronic devices and components installed due to power distribution cabinet, and the existence of a large amount of wires is arranged, cause the total resistance value of power distribution cabinet very high, therefore directly cause high-low voltage electric power distribution cabinet in work, namely in the situation that conduction can be distributed a large amount of heats, temperature in power distribution cabinet is improved suddenly, again because electronic devices and components and the connector of power distribution cabinet inside are very high to the dustproof requirement of power distribution cabinet, therefore power distribution cabinet all adopts enclosure-type, reducing dust enters in power distribution cabinet, will make so the very difficult discharge power distribution cabinet of heat of the generation in high-low voltage electric power distribution cabinet, nowadays heat dissipating method commonly used be in rack, install powerful axial flow blower additional, and offer louvre, make the wind that axial flow blower blows out form air-cooled circulation, the heat of high-low voltage electric power distribution cabinet inside is blown out body fast, reach the effect of heat radiation, but adopt this radiating mode, shortcoming is obvious: first has destroyed the sealing of high-low voltage electric power distribution cabinet, make the dust dust, also have the dust of static electrification to enter in power distribution cabinet by blower fan and louvre, circulation through blower fan is attached to various electronic devices and components, on connector or wire, directly affected the insulativity of power distribution cabinet, even leading to short circuit causes the accident, second shortcoming is that radiating rate is slow, because general high voltage power distributing cabinet body is larger, in order to keep the sealing of rack as far as possible, the axial flow blower quantity of installing is few, and the louvre bore of cutting is little, and therefore air-cooled circulation is subject to the interior of equipment cabinet electronic devices and components, blocking of various baffle tray, lead forming many air-cooled dead angles, can't dispel the heat, so radiating effect is very poor.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this invention is to provide a kind of heat radiation temperature control system of enclosure-type power distribution cabinet, have the characteristics of good heat dissipation effect, good airproof performance.
to achieve these goals, the present invention adopts technical scheme to be: a kind of heat radiation temperature control system of enclosure-type power distribution cabinet, include sensing apparatus, control device and regulating device form, it is characterized in that, sensing apparatus is provided with temperature sensor A, temperature sensor B, temperature sensor A, temperature sensor B is connected with temperature decision circuitry on control device, the temperature decision circuitry is connected with temperature calculation circuit, temperature calculation circuit is connected with temperature-control circuit, temperature-control circuit, temperature-control circuit respectively with regulating device on axial flow blower, refrigeration system is connected.
Also be connected with warning system on described temperature-control circuit.
The invention has the beneficial effects as follows:
Owing to being provided with sensing apparatus, the temperature sensor of sensing apparatus is mainly to carry out thermometric in rack, control circuit is the core of whole control system, mainly be used for judging regulating and controlling device and pick-up unit, regulating device is mainly system hardware such as axial flow blower and the refrigeration system that temperature is regulated, and has the characteristics of good heat dissipation effect, good airproof performance.
Description of drawings
Fig. 1 is controlling composition figure of the present invention.
Fig. 2 is control system steering logic figure.
Embodiment
With reference to Fig. 1, a kind of heat radiation temperature control system of enclosure-type power distribution cabinet, include sensing apparatus 1, control device 2 and regulating device 3 compositions, it is characterized in that, sensing apparatus 1 is provided with temperature sensor A4, temperature sensor B5, temperature sensor A4, temperature sensor B5 are connected with temperature decision circuitry 6 on control device 2, temperature decision circuitry 6 is connected with temperature calculation circuit 7, temperature calculation circuit 7 is connected with temperature-control circuit 8, temperature-control circuit 8, temperature-control circuit 8 are connected with axial flow blower 9, refrigeration system 10 on regulating device 3 respectively.
Also be connected with warning system on described temperature-control circuit 8.
Temperature value with the diverse location in the temperature sensor measurement high-low voltage electric power distribution cabinet, then decision circuitry judges whether temperature value has surpassed set temperature value, the estimate of situation to temperature according to decision circuitry, calculate mean value by counting circuit again, the refrigeration system and the axial flow blower that begin the regulating and controlling device according to the medial temperature control circuit in rack are regulated the temperature in rack, when temperature reaches preset value, regulating device quits work, and perhaps keeps preset temperature constant.
The sensing apparatus system of enclosure-type power distribution cabinet adopts the temperature in the temperature sensor measurement rack, and a plurality of temperature sensors are installed in a plurality of positions in rack, and the mean value that records take all the sensors is as controlling according to carrying out adjustment.
The control circuit system is divided into three parts: temperature decision circuitry 6, temperature calculation circuit 7 and temperature-control circuit 8, wherein decision circuitry is mainly carried out the temperature judgement, temperature calculation circuit is in order to calculate the draw value of measured temperature, and temperature-control circuit is mainly to control refrigeration system and axial flow blower work.
Regulating device is directly controlled by the control circuit of control device, and regulating device comprises axial flow blower and refrigeration system.
with reference to Fig. 2, after the different numerical value of temperature sensor measurement are sent to decision circuitry, at first judge that temperature is all to set in advance temperature value, if words just continue judgement until all temperature judgements are complete, at this moment starting the counting circuit value of averaging calculates, if medial temperature exceeds predefined temperature value, begin cooling according to medial temperature startup control circuit control refrigeration system and axial flow blower, stop below preset temperature or keep preset temperature value constant until temperature drops to, if the result of calculating does not exceed predefined temperature, do not start control circuit, return to decision circuitry, wait for judgement next time.
The above; only the embodiment of the inventive method; be not that the present invention is imposed any restrictions, the variation of every any simple modification of above embodiment being done according to technical solution of the present invention, structure replaces all still belonging in the protection domain of the technology of the present invention system.
Claims (2)
1. the heat radiation temperature control system of an enclosure-type power distribution cabinet, include sensing apparatus (1), control device (2) forms with regulating device (3), it is characterized in that, sensing apparatus (1) is provided with temperature sensor A(4), temperature sensor B(5), temperature sensor A(4), temperature sensor B(5) be connected with temperature decision circuitry (6) on control device (2), temperature decision circuitry (6) is connected with temperature calculation circuit (7), temperature calculation circuit (7) is connected with temperature-control circuit (8), temperature-control circuit (8), temperature-control circuit (8) respectively with regulating device (3) on axial flow blower (9), refrigeration system (10) is connected.
2. the heat radiation temperature control system of a kind of enclosure-type power distribution cabinet according to claim 1, is characterized in that, also is connected with warning system (11) on described temperature-control circuit (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373697 CN103135627A (en) | 2011-11-22 | 2011-11-22 | Cooling temperature control system for sealed power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373697 CN103135627A (en) | 2011-11-22 | 2011-11-22 | Cooling temperature control system for sealed power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN103135627A true CN103135627A (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110373697 Pending CN103135627A (en) | 2011-11-22 | 2011-11-22 | Cooling temperature control system for sealed power distribution cabinet |
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| Country | Link |
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| CN (1) | CN103135627A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325329A (en) * | 2016-10-20 | 2017-01-11 | 桂林大创科技有限公司 | Multi-functional power distribution cabinet based on intelligent temperature control technology |
| CN107861538A (en) * | 2016-09-22 | 2018-03-30 | 深圳大学 | A kind of temprature control method of constant-temperature metal bath |
| CN111132506A (en) * | 2019-10-16 | 2020-05-08 | 深圳市智微智能科技开发有限公司 | Heat dissipation control method, device and equipment for high-power electronic device and storage medium |
-
2011
- 2011-11-22 CN CN 201110373697 patent/CN103135627A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861538A (en) * | 2016-09-22 | 2018-03-30 | 深圳大学 | A kind of temprature control method of constant-temperature metal bath |
| CN107861538B (en) * | 2016-09-22 | 2020-11-10 | 深圳大学 | Temperature control method of constant-temperature metal bath |
| CN106325329A (en) * | 2016-10-20 | 2017-01-11 | 桂林大创科技有限公司 | Multi-functional power distribution cabinet based on intelligent temperature control technology |
| CN111132506A (en) * | 2019-10-16 | 2020-05-08 | 深圳市智微智能科技开发有限公司 | Heat dissipation control method, device and equipment for high-power electronic device and storage medium |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |