CN201975277U - Temperature controller of breaker contact of high voltage switch cabinet - Google Patents
Temperature controller of breaker contact of high voltage switch cabinet Download PDFInfo
- Publication number
- CN201975277U CN201975277U CN2010206626478U CN201020662647U CN201975277U CN 201975277 U CN201975277 U CN 201975277U CN 2010206626478 U CN2010206626478 U CN 2010206626478U CN 201020662647 U CN201020662647 U CN 201020662647U CN 201975277 U CN201975277 U CN 201975277U
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- China
- Prior art keywords
- switch cabinet
- voltage switch
- unit
- breaker contact
- fan
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Abstract
A temperature controller of a breaker contact of a high voltage switch cabinet comprises a temperature collection unit of the breaker contact, a signal adjusting unit, an A/D transition unit, a processor, a fan control unit and a fan. The temperature collection unit of the breaker contact is used for collecting temperature of the breaker contact of the high voltage switch cabinet; a signal output terminal of the temperature collection unit of the breaker contact is connected with a signal input terminal of the signal adjusting unit; a signal output terminal of the signal adjusting unit is connected with an analog signal input terminal of the A/D transition unit; a digit signal output terminal of the A/D transition unit is connected with a temperature collection signal input terminal of the processor; a fan control signal output terminal of the processor is connected with the signal input terminal of the fan control unit; a control signal output terminal of the fan control unit controls and is connected with the fan; and the fan is arranged in a position facing the breaker contact of the high voltage switch cabinet. The technical scheme of the utility model can effectively avoid burnout of the breaker contact of excess temperature, and save energy by turning on or off the fan according to actual demand.
Description
Technical field:
The utility model relates to high-voltage switch cabinet breaker contact temperature control appliance, relates in particular to a kind of high-voltage switch cabinet breaker contact temperature controller.
Background technology:
At present, high-tension switch cabinet is when work, contact of breaker temperature in the high-tension switch cabinet is very high, when temperature is too high, can causes contact of breaker to melt down, and then cause the power supply circuits fault, influence ordinary production, if a kind of high-voltage switch cabinet breaker contact temperature controller can be provided, the contact of breaker temperature is controlled in the temperature range of setting, can avoid then that the contact of breaker temperature is too high burns.
The utility model content:
The purpose of this utility model provides a kind of high-voltage switch cabinet breaker contact temperature controller.
A kind of high-voltage switch cabinet breaker contact temperature controller, wherein: comprise the contact of breaker temperature collecting cell, the signal condition unit, the A/D converting unit, processor, fan control unit and fan, the contact of breaker temperature collecting cell is used to gather the high-voltage switch cabinet breaker contact temperature, the signal output part of contact of breaker temperature collecting cell connects the signal input part of signal condition unit, the signal output part of signal condition unit connects the input end of analog signal of A/D converting unit, the temperature acquisition signal input part of the digital signal output end connection processing device of A/D converting unit, the fan control signal output of processor connects the signal input part of fan control unit, the control signal output ends control connection fan of fan control unit, fan is arranged at towards high-voltage switch cabinet breaker contact place.
Described high-voltage switch cabinet breaker contact temperature controller, wherein: the contact of breaker temperature collecting cell comprises infrared temperature sensor, infrared temperature sensor signal output part connect the signal input part of signal condition unit.
Described high-voltage switch cabinet breaker contact temperature controller, wherein: described high-voltage switch cabinet breaker contact temperature controller also comprises the man-machine interface unit, and the data input/output terminal of man-machine interface unit is connected with the man-machine interface of processor.
Described high-voltage switch cabinet breaker contact temperature controller, wherein: the PORT COM of processor is connected with the PORT COM of host computer.
Described high-voltage switch cabinet breaker contact temperature controller, wherein: described processor adopting W78E516B.
Described high-voltage switch cabinet breaker contact temperature controller, wherein: described A/D converting unit adopts A/D conversion chip ADC0809.
The utility model will reach following technique effect after adopting technique scheme:
High-voltage switch cabinet breaker contact temperature controller of the present utility model, gather the contact temperature of high-voltage switch cabinet breaker constantly by the contact of breaker temperature collecting cell, and after the temperature signal gathered changed by conditioning of signal condition unit and A/D converting unit, delivering to processor judges, if be higher than the ceiling temperature that processor is set, processor works on power by fan control unit control fan, the high-voltage switch cabinet breaker contact is lowered the temperature, if be lower than the lower limit temperature that processor is set, processor quits work by the outage of fan control unit control fan, to save electric energy.As above as seen, high-voltage switch cabinet breaker contact temperature controller of the present utility model can avoid effectively that the contact of breaker temperature is too high burns, and also opening and closing fan is according to actual needs saved electric energy.
Description of drawings:
Fig. 1 is the structured flowchart of the utility model high-voltage switch cabinet breaker contact temperature controller;
Fig. 2 is the circuit theory diagrams of the utility model high-voltage switch cabinet breaker contact temperature controller.
Embodiment:
High-voltage switch cabinet breaker contact temperature controller of the present utility model, as shown in Figure 1, comprise the contact of breaker temperature collecting cell, the signal condition unit, the A/D converting unit, processor, the man-machine interface unit, fan control unit and fan, the contact of breaker temperature collecting cell is used to gather the high-voltage switch cabinet breaker contact temperature, the signal output part of contact of breaker temperature collecting cell connects the signal input part of signal condition unit, the signal output part of signal condition unit connects the input end of analog signal of A/D converting unit, the temperature acquisition signal input part of the digital signal output end connection processing device of A/D converting unit, the fan control signal output of processor connects the signal input part of fan control unit, the control signal output ends control connection fan of fan control unit, fan are arranged at towards high-voltage switch cabinet breaker contact place; The data input/output terminal of man-machine interface unit is connected with the man-machine interface of processor.
Described contact of breaker temperature collecting cell comprises infrared temperature sensor, infrared temperature sensor signal output part connect the signal input part of signal condition unit.
The PORT COM of processor is connected with the PORT COM of host computer.
Fig. 2 is the circuit theory diagrams of the utility model high-voltage switch cabinet breaker contact temperature controller, described high-voltage switch cabinet breaker contact temperature controller, and wherein: described processor U3 adopts model W78E516B; Described A/D converting unit adopts A/D conversion chip AD1, and model is ADC0809.The man-machine interface unit comprises man-machine interface plug-in unit H1, and model is HT12864.Fan control unit comprises control chip U4, and the employing model is 74HC573.
Infrared temperature sensor J1, J2 is arranged at high-voltage switch cabinet breaker contact place, infrared temperature sensor J1,1,2,3 pin are all exported one tunnel acquired signal, 1 of infrared temperature sensor J1,3, the temperature acquisition signal of 5 pin output is respectively by the divider resistance R2 in the signal condition unit, R3, after the R4 step-down is handled, send into 1 of A/D conversion chip AD1 respectively, 2,3 pin, 1 of infrared temperature sensor J2,3, the temperature acquisition signal of 5 pin output is respectively by the divider resistance R5 in the signal condition unit, R12, the R13 step-down is sent into 4 of A/D conversion chip AD1 respectively after handling, 5,28 pin; Output 25,24,23 pin of A/D conversion chip AD1 are temperature acquisition signal input part 1,2,3 pin of corresponding connection processing device U3 respectively; Corresponding respectively 7 ~ 14 pin that connect man-machine interface plug-in unit H1 of man-machine interface 39 ~ 32 pin of processor U3.Corresponding respectively 2 ~ 9 pin that connect control chip U4 in the fan control unit of fan control signal output 10,11,12,13,14,15,16,17 pin of processor U3, control signal output ends 14 ~ 19 pin of control chip U4 connect 6 ~ 1 pin of connector J3, and connector J3 is used to connect fan power supply control end.
The temperature signal that infrared temperature sensor J1, J2 collect is sent into the digital signal that A/D conversion chip AD1 carries out after the A/D conversion by corresponding divider resistance and is sent into processor U3, processor U3 compares the temperature acquisition signal of receiving with the upper limit, the lower limit operating value of setting, if the value of temperature acquisition signal is higher than upper limit operating value, processor U3 gets electric work by control chip U4 drive fan, and the high-voltage switch cabinet breaker contact is lowered the temperature; If the temperature acquisition signal that processor U3 receives is lower than the lower limit operating value of setting, processor U3 quits work by the outage of control chip U4 control fan, to save electric energy.The man-machine interface unit can be set the processor upper limit, lower limit operating value easily.
Claims (6)
1. high-voltage switch cabinet breaker contact temperature controller, it is characterized in that: comprise the contact of breaker temperature collecting cell, the signal condition unit, the A/D converting unit, processor, fan control unit and fan, the contact of breaker temperature collecting cell is used to gather the high-voltage switch cabinet breaker contact temperature, the signal output part of contact of breaker temperature collecting cell connects the signal input part of signal condition unit, the signal output part of signal condition unit connects the input end of analog signal of A/D converting unit, the temperature acquisition signal input part of the digital signal output end connection processing device of A/D converting unit, the fan control signal output of processor connects the signal input part of fan control unit, the control signal output ends control connection fan of fan control unit, fan is arranged at towards high-voltage switch cabinet breaker contact place.
2. high-voltage switch cabinet breaker contact temperature controller as claimed in claim 1, it is characterized in that: the contact of breaker temperature collecting cell comprises infrared temperature sensor, infrared temperature sensor signal output part connect the signal input part of signal condition unit.
3. high-voltage switch cabinet breaker contact temperature controller as claimed in claim 1 or 2, it is characterized in that: described high-voltage switch cabinet breaker contact temperature controller also comprises the man-machine interface unit, and the data input/output terminal of man-machine interface unit is connected with the man-machine interface of processor.
4. high-voltage switch cabinet breaker contact temperature controller as claimed in claim 3 is characterized in that: the PORT COM of processor is connected with the PORT COM of host computer.
5. high-voltage switch cabinet breaker contact temperature controller as claimed in claim 1 or 2 is characterized in that: described processor adopting W78E516B.
6. high-voltage switch cabinet breaker contact temperature controller as claimed in claim 1 or 2 is characterized in that: described A/D converting unit adopts A/D conversion chip ADC0809.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206626478U CN201975277U (en) | 2010-12-16 | 2010-12-16 | Temperature controller of breaker contact of high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206626478U CN201975277U (en) | 2010-12-16 | 2010-12-16 | Temperature controller of breaker contact of high voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975277U true CN201975277U (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206626478U Expired - Fee Related CN201975277U (en) | 2010-12-16 | 2010-12-16 | Temperature controller of breaker contact of high voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975277U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472870A (en) * | 2013-09-13 | 2013-12-25 | 广州亚虎电力有限公司 | Radiating system of high-voltage switch cabinet |
| CN104485594A (en) * | 2014-11-20 | 2015-04-01 | 国家电网公司 | Method for treating heat generation of 10kV contact of closed switchgear of unattended substation |
| CN109441649A (en) * | 2018-10-29 | 2019-03-08 | 中船动力研究院有限公司 | DC-speed controller controller and its method for controlling engine operation |
-
2010
- 2010-12-16 CN CN2010206626478U patent/CN201975277U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472870A (en) * | 2013-09-13 | 2013-12-25 | 广州亚虎电力有限公司 | Radiating system of high-voltage switch cabinet |
| CN104485594A (en) * | 2014-11-20 | 2015-04-01 | 国家电网公司 | Method for treating heat generation of 10kV contact of closed switchgear of unattended substation |
| CN109441649A (en) * | 2018-10-29 | 2019-03-08 | 中船动力研究院有限公司 | DC-speed controller controller and its method for controlling engine operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20131216 |