CN105242708A - Switchgear room air-cooled control circuit - Google Patents
Switchgear room air-cooled control circuit Download PDFInfo
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- CN105242708A CN105242708A CN201510723007.0A CN201510723007A CN105242708A CN 105242708 A CN105242708 A CN 105242708A CN 201510723007 A CN201510723007 A CN 201510723007A CN 105242708 A CN105242708 A CN 105242708A
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- contactor
- temperature controller
- relay
- temperature
- control circuit
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Abstract
The invention relates to a switchgear room air-cooled control circuit. The switchgear room air-cooled control circuit comprises a temperature acquisition module, a temperature controller, a display module, a relay, a blower fan, an AC contactor and an infrared control module. The infrared control module comprises an infrared emission unit, a modulation amplification unit and a carrier wave circuit, the relay comprises a thermal relay and an intermediate relay, the AC contactor comprises a first AC contactor and a second AC contactor, the first AC contactor is electrically connected with the blower fan through the thermal relay, the first output end of the first AC contactor is connected with an air switch, the air switch is successively connected with the temperature controller through an automatic manual change over switch, the intermediate relay and the second AC contactor, and the second output end of the first AC contactor is connected with the temperature controller through a fuse and the thermal relay. According to the invention, remote control is realized, the blower fan can be automatically controlled to be turned on and turned off through the temperature controller, an emergency can be also handled through manual control, the performance is stable, and the application is safe and reliable.
Description
Technical field
The present invention relates to temperature-control circuit technical field, particularly the air-cooled control circuit of a kind of switchgear building.
Background technology
Along with technical development and land resource scarcity, present unmanned switchgear building gets up more, when heat in summer, electrical equipment (as power transformer, compensates electric electric capacity, pilot relay etc.) is after running continuously, himself temperature may exceed the maximum temperature that insulating material allows, the safe operation of temperature on electric equipment has very large impact, if switchgear building at high temperature runs the insulation ag(e)ing not only accelerating electric equipment for a long time, and severe patient more can print and distribute insulation breakdown or fire.Generally, in switchgear building, power distribution equipment adopts blower fan to regulate indoor temperature, conventional fan Starting mode is manual, need in real work not stop testing environment temperature variation, startup or the closedown of blower fan is controlled according to temperature, for deficiency and the defect of existing unmanned switchgear building and large electric equipment, need to provide a kind of and start blower fan cooling when high temperature especially, then stop when low temperature the automatic control circuit of blower fan work to realize above-mentioned functions.
Summary of the invention
For deficiency of the prior art, the invention provides a kind of structure simple, rationally novel in design, the air-cooled control circuit of the switchgear building that result of use is good, air switch and temperature controller is adopted to match the opening and closing of incompatible control blower fan, easy to use, stable, reliable, with the obvious advantage, Be very effective.
According to design proposal provided by the present invention, the air-cooled control circuit of a kind of switchgear building, comprise temperature collect module, temperature controller, display module, relay, blower fan, A.C. contactor, temperature collect module is located in switchgear building, and be connected with temperature controller, blower fan is connected with temperature controller by relay, temperature controller is connected with display module, also comprise infrared control module, infrared control module comprises infrared emission unit, modulation amplifying unit and carrier current channel, modulation amplifying unit input end is connected with temperature controller, modulation amplifying unit output terminal is connected with infrared emission unit input end, carrier current channel output terminal is connected with modulation amplifying unit, relay comprises electrothermal relay, auxiliary reclay, A.C. contactor comprises the first A.C. contactor, second A.C. contactor, first A.C. contactor is electrically connected with blower fan by electrothermal relay, first A.C. contactor output terminal one is connected with air switch, air switch passes through automatic and hand-operated chargeover switch successively, auxiliary reclay, second A.C. contactor is connected with temperature controller, first A.C. contactor output terminal two-way overcurrent fuse, electrothermal relay is connected with temperature controller.
Above-mentioned, described temperature controller is include temperature to reach the standard grade and temperature rolls off the production line the temperature controller of control module.
Above-mentioned, the infrared receiver phase signals communication of infrared emission unit and distant place control system.
Above-mentioned, described display module is liquid crystal light-emitting diode display.
Above-mentioned, described display module also includes the key-press input unit be connected with temperature controller.
Beneficial effect of the present invention:
Novel in structural design of the present invention, rationally, structure is simple, pass through temperature collect module, air switch and temperature controller cooperatively interact, when distribution cubicle switch get to temperature reach the standard grade time, automatic startup blower fan is lowered the temperature, when reaching lowest temperature, can automatically close, realize blower fan by control module in temperature controller switch activated, use convenient, infrared control module is by the infrared receiver phase signals communication of infrared emission unit and external control system, realize Long-distance Control, automatic and hand-operated chargeover switch had both controlled the opening and closing of blower fan automatically by temperature controller, the generation of emergency is dealt with again by Non-follow control, stable performance, use safety, reliably.
accompanying drawing illustrates:
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is temperature controller circuit connection diagram of the present invention.
embodiment:
Below in conjunction with accompanying drawing and technical scheme, the present invention is further detailed explanation, and describe embodiments of the present invention in detail by preferred embodiment, but embodiments of the present invention are not limited to this.
Embodiment one, shown in Fig. 1 ~ 2, the air-cooled control circuit of a kind of switchgear building, comprise temperature collect module, temperature controller, display module, relay, blower fan, A.C. contactor, temperature collect module is located in switchgear building, and be connected with temperature controller, blower fan is connected with temperature controller by relay, temperature controller is connected with display module, also comprise infrared control module, infrared control module comprises infrared emission unit, modulation amplifying unit and carrier current channel, modulation amplifying unit input end is connected with temperature controller, modulation amplifying unit output terminal is connected with infrared emission unit input end, carrier current channel output terminal is connected with modulation amplifying unit, relay comprises electrothermal relay, auxiliary reclay, A.C. contactor comprises the first A.C. contactor, second A.C. contactor, first A.C. contactor is electrically connected with blower fan by electrothermal relay, first A.C. contactor output terminal one is connected with air switch, air switch passes through automatic and hand-operated chargeover switch successively, auxiliary reclay, second A.C. contactor is connected with temperature controller, first A.C. contactor output terminal two-way overcurrent fuse, electrothermal relay is connected with temperature controller.
Above-mentioned, described temperature controller is include temperature to reach the standard grade and temperature rolls off the production line the temperature controller of control module.
Above-mentioned, the infrared receiver phase signals communication of infrared emission unit and distant place control system.
Above-mentioned, described display module is liquid crystal light-emitting diode display.
Above-mentioned, described display module also includes the key-press input unit be connected with temperature controller.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the present invention or similar change all should be encompassed in the scope of the claims in the present invention.
Finally, it should be emphasized that, the improvements of the present invention relative to prior art are understood more easily in order to allow those of ordinary skill in the art, descriptions more of the present invention are simplified, and for the sake of clarity, present specification is omitted some other elements, and those of ordinary skill in the art it is to be appreciated that these abridged elements also can form content of the present invention.
Claims (5)
1. the air-cooled control circuit of switchgear building, comprise temperature collect module, temperature controller, display module, relay, blower fan, A.C. contactor, temperature collect module is located in switchgear building, and be connected with temperature controller, blower fan is connected with temperature controller by relay, temperature controller is connected with display module, it is characterized in that: also comprise infrared control module, infrared control module comprises infrared emission unit, modulation amplifying unit and carrier current channel, modulation amplifying unit input end is connected with temperature controller, modulation amplifying unit output terminal is connected with infrared emission unit input end, carrier current channel output terminal is connected with modulation amplifying unit, relay comprises electrothermal relay, auxiliary reclay, A.C. contactor comprises the first A.C. contactor, second A.C. contactor, first A.C. contactor is electrically connected with blower fan by electrothermal relay, first A.C. contactor output terminal one is connected with air switch, air switch passes through automatic and hand-operated chargeover switch successively, auxiliary reclay, second A.C. contactor is connected with temperature controller, first A.C. contactor output terminal two-way overcurrent fuse, electrothermal relay is connected with temperature controller.
2. the air-cooled control circuit of switchgear building according to claim 1, is characterized in that: described temperature controller is include temperature to reach the standard grade and temperature rolls off the production line the temperature controller of control module.
3. the air-cooled control circuit of switchgear building according to claim 1, is characterized in that: the infrared receiver phase signals communication of infrared emission unit and distant place control system.
4. the air-cooled control circuit of switchgear building according to claim 1, is characterized in that: described display module is liquid crystal light-emitting diode display.
5. the air-cooled control circuit of switchgear building according to claim 1, is characterized in that: described display module also includes the key-press input unit be connected with temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510723007.0A CN105242708A (en) | 2015-10-29 | 2015-10-29 | Switchgear room air-cooled control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510723007.0A CN105242708A (en) | 2015-10-29 | 2015-10-29 | Switchgear room air-cooled control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105242708A true CN105242708A (en) | 2016-01-13 |
Family
ID=55040384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510723007.0A Pending CN105242708A (en) | 2015-10-29 | 2015-10-29 | Switchgear room air-cooled control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105242708A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109859A (en) * | 2009-12-28 | 2011-06-29 | 河南省电力公司商丘供电公司 | Temperature control system for automatic transformer substation |
| CN102122164A (en) * | 2011-01-14 | 2011-07-13 | 深圳市洲明科技股份有限公司 | Remote programmable logic controller (PLC) automatic control system for light-emitting diode (LED) display screen |
| CN102244416A (en) * | 2010-11-16 | 2011-11-16 | 江苏科技大学 | Intelligent cubicle switchboard oriented to intelligent power grid and operating and controlling method thereof |
| CN102541126A (en) * | 2012-02-27 | 2012-07-04 | 苏州苏海亚电气有限公司 | Intelligent temperature and humidity controller |
| CN103207026A (en) * | 2013-03-28 | 2013-07-17 | 无锡市崇安区科技创业服务中心 | Temperature monitoring system for high voltage switch cabinet |
| CN204577928U (en) * | 2015-04-27 | 2015-08-19 | 国网山东潍坊市寒亭区供电公司 | Transformer station's indoor fan automatic control equipment |
| CN205049987U (en) * | 2015-10-29 | 2016-02-24 | 湖南金化科技集团有限公司 | Electricity distribution room forced air cooling control circuit |
-
2015
- 2015-10-29 CN CN201510723007.0A patent/CN105242708A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109859A (en) * | 2009-12-28 | 2011-06-29 | 河南省电力公司商丘供电公司 | Temperature control system for automatic transformer substation |
| CN102244416A (en) * | 2010-11-16 | 2011-11-16 | 江苏科技大学 | Intelligent cubicle switchboard oriented to intelligent power grid and operating and controlling method thereof |
| CN102122164A (en) * | 2011-01-14 | 2011-07-13 | 深圳市洲明科技股份有限公司 | Remote programmable logic controller (PLC) automatic control system for light-emitting diode (LED) display screen |
| CN102541126A (en) * | 2012-02-27 | 2012-07-04 | 苏州苏海亚电气有限公司 | Intelligent temperature and humidity controller |
| CN103207026A (en) * | 2013-03-28 | 2013-07-17 | 无锡市崇安区科技创业服务中心 | Temperature monitoring system for high voltage switch cabinet |
| CN204577928U (en) * | 2015-04-27 | 2015-08-19 | 国网山东潍坊市寒亭区供电公司 | Transformer station's indoor fan automatic control equipment |
| CN205049987U (en) * | 2015-10-29 | 2016-02-24 | 湖南金化科技集团有限公司 | Electricity distribution room forced air cooling control circuit |
Non-Patent Citations (1)
| Title |
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| 魏索珍: "《常用电工电路280例解析》", 31 December 2004, 中国电力出版社 * |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |
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| WD01 | Invention patent application deemed withdrawn after publication |