CN212277054U - Cooling system based on air circuit breaker - Google Patents
Cooling system based on air circuit breaker Download PDFInfo
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- CN212277054U CN212277054U CN202020610056.XU CN202020610056U CN212277054U CN 212277054 U CN212277054 U CN 212277054U CN 202020610056 U CN202020610056 U CN 202020610056U CN 212277054 U CN212277054 U CN 212277054U
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- circuit breaker
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- cooling system
- drawer seat
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Abstract
The utility model belongs to the technical field of the low-voltage apparatus technique and specifically relates to a cooling system based on air circuit breaker. The utility model provides a cooling system based on air circuit breaker, includes circuit breaker body and drawer seat, its characterized in that: one side of drawer seat connect the circuit breaker body, the opposite side that is located the drawer seat is equipped with power module, the top of circuit breaker body inlay and establish the fan, be located circuit breaker body and drawer seat and be equipped with first support and second support respectively, first support department is equipped with bridge type contact, one side of second support inlays and establishes temperature sensor, the opposite side that is located the second support inlays and establishes the controller, is equipped with temperature monitoring unit and processing module in the controller. Compared with the prior art, simple high-efficient, temperature variation in the real-time supervision circuit breaker, when the inside temperature of circuit breaker risees, can reduce the temperature through three kinds of modes respectively, has guaranteed the life of circuit breaker, has effectively reduced the influence of temperature to circuit breaker performance index and reliability.
Description
Technical Field
The utility model belongs to the technical field of the low-voltage apparatus technique and specifically relates to a cooling system based on air circuit breaker.
Background
The air circuit breaker is a switch used for a low-voltage distribution network, and is mainly used for distributing electric energy and protecting lines and power supply equipment from damage caused by faults such as overload, undervoltage, short circuit, single-phase grounding and the like; meanwhile, the motor is also used for the protection of the motor against the infrequent starting, the overload and the short circuit, thereby ensuring the safety of a power grid and equipment.
The air circuit breaker is in operation along with the rise of inside temperature, and the inside spare part material performance of circuit breaker receives direct influence, and then influences the performance index and the reliability of circuit breaker itself, and consequently, the inside cooling system of circuit breaker is very important.
At present, a part of circuit breakers judge whether a fan needs to be started to cool the circuit breaker by monitoring the real-time current value of the circuit breaker, but the circuit breaker can cause the situation that the current of the circuit breaker does not reach a trigger value and the temperature is too high, which causes burning loss, for example, the chinese patent CN 203445030U. And this patent sets up a plurality of controllers and controls a plurality of fans respectively and blows from the bottom and reach the cooling effect, but does not consider that hot gas can block at the circuit breaker top, leads to hot gas to be difficult to the diffusion, can not effectual exhaust hot gas.
Disclosure of Invention
The utility model discloses an overcome prior art not enough, provide a cooling system based on air circuit breaker, make full use of circuit breaker self structure, temperature variation in the real-time supervision circuit breaker, after the inside temperature of circuit breaker risees, can utilize the fan to dispel the heat the cooling respectively, dual supply controller carries out the conversion of end power supply of being equipped with always, and the tripper carries out the method protection circuit breaker of separating brake, effectively reduces the influence of temperature to circuit breaker performance index and reliability.
In order to realize the above purpose, a cooling system based on air circuit breaker is designed, including circuit breaker body and drawer seat, its characterized in that: one side of drawer seat connect the circuit breaker body, the opposite side that is located the drawer seat is equipped with power module, the top of circuit breaker body inlay and establish the fan, be located circuit breaker body and drawer seat and be equipped with first support and second support respectively, first support department is equipped with bridge type contact, one side of second support inlays and establishes temperature sensor, the opposite side that is located the second support inlays and establishes the controller, is equipped with temperature monitoring unit and processing module in the controller.
The top of the fan is provided with a shutter.
One side of the second support is connected with a temperature sensor through a moving contact bus and an electric connection bus.
The output end of the temperature sensor is connected with the input end of the temperature monitoring unit, the output end of the temperature monitoring unit is connected with the input end of the processing module, the input end of the processing module is divided into three paths to be respectively connected with the release, the input end of the driving module and the input end of the double-power-supply controller, the output end of the driving module is connected with the input end of the power supply module, and the output end of the power supply module is connected with the fan.
Compared with the prior art, the utility model, simple high-efficient, temperature variation in the real-time supervision circuit breaker, when the inside temperature of circuit breaker risees, can reduce the temperature through three kinds of modes respectively, has guaranteed the life of circuit breaker, has effectively reduced the influence of temperature to circuit breaker performance index and reliability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of a second bracket of the present invention.
Fig. 4 is the structural schematic diagram of the bus bar position of the moving contact bus bar and the electric connection bus bar of the present invention.
Fig. 5 is a module connection diagram of the present invention.
Referring to fig. 1 to 5, wherein 1 is a circuit breaker body, 2 is a drawer base, 3 is a power module, 4 is a fan, 5 is a first bracket, 6 is a second bracket, 7 is a temperature sensor, 8 is a movable contact bus, 9 is a controller, 10 is a louver, 11 is an electric connection bus, 12 is a temperature monitoring unit, 13 is a processing module, 14 is a driving module, 15 is a dual power controller, and 16 is a release.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, one side of the drawer base 2 is connected with the circuit breaker body 1, the other side located on the drawer base 2 is provided with the power module 3, the top of the circuit breaker body 1 is embedded with the fan 4, the circuit breaker body 1 and the drawer base 2 are respectively provided with the first support 5 and the second support 6, the first support 5 is provided with a bridge-type contact, one side of the second support 6 is embedded with the temperature sensor 7, the other side located on the second support 6 is embedded with the controller 9, and the controller 9 is internally provided with the temperature monitoring unit 12 and the processing module 13.
The top of the fan 4 is provided with a shutter 10.
One side of the second bracket 6 is connected with a temperature sensor 7 through a moving contact bus 8 and an electric connection bus 11.
The output end of the temperature sensor 7 is connected with the input end of the temperature monitoring unit 12, the output end of the temperature monitoring unit 12 is connected with the input end of the processing module 13, the input end of the processing module 13 is divided into three paths, the three paths are respectively connected with the input ends of the release 16, the driving module 14 and the dual-power controller 15, the output end of the driving module 14 is connected with the input end of the power module 3, and the output end of the power module 3 is connected with the fan 4.
The utility model discloses a power module 3, temperature sensor 7, temperature monitoring unit 12, processing module 13, drive module 14, dual power supply controller 15 are current purchase spare.
The utility model discloses the during operation, the temperature in the 7 real-time supervision circuit breaker body of temperature sensor 1, the staff sets for the temperature threshold value of 3 variation in size in temperature monitoring unit 12, temperature monitoring unit 12 compares the result that temperature sensor 7 detected with the threshold value of settlement, when the inside temperature of circuit breaker body 1 between first threshold value and the second threshold value, temperature monitoring unit 12 send instruction gives processing module 13, processing module 13 sends the instruction to drive module 14, drive module 14 drives power module 3 and starts fan 4, fan 4 takes the steam that produces in the circuit breaker body 1 out, thereby play the refrigerated effect of cooling. When the temperature inside the circuit breaker body 1 is between the second threshold and the third threshold, the fan 4 continuously operates to continue to pump air, and meanwhile, the processing module 13 sends an instruction to the dual-power-supply controller 15 to perform power conversion between the normal end and the standby end, so that the circuit breaker body 1 can operate within a normal temperature range. When the temperature inside the circuit breaker body 1 exceeds the third threshold, the processing module 13 sends an instruction to directly cause the circuit breaker body 1 to trip and open the brake through the tripper 16.
In particular, two fans 4 may be provided. The utility model discloses a fan 4 sets up at the top of circuit breaker body 1, utilizes "steam to rise, and the natural law that air conditioning sinks" takes steam out from the top toward the outside, prevents that steam from piling up at the top of circuit breaker body 1 to reach the effect of protection circuit breaker.
The utility model discloses a temperature sensor 7 and the temperature in the 9 real-time supervision circuit breaker body of temperature monitoring unit compares the monitoring circuit breaker internal current value and judges whether need cooling's mode, can effectually avoid not reaching the trigger value because of the circuit breaker electric current and the temperature causes consequences such as scaling loss too high.
The utility model discloses simple high-efficient, temperature variation in the real-time supervision circuit breaker, when the inside temperature of circuit breaker risees, can reduce the temperature through three kinds of modes respectively, guaranteed the life of circuit breaker, effectively reduced the influence of temperature to circuit breaker performance index and reliability.
Claims (4)
1. The utility model provides a cooling system based on air circuit breaker, includes circuit breaker body and drawer seat, its characterized in that: one side of drawer seat (2) connect circuit breaker body (1), the opposite side that is located drawer seat (2) is equipped with power module (3), the top of circuit breaker body (1) inlay and establish fan (4), be located and be equipped with first support (5) and second support (6) respectively in circuit breaker body (1) and drawer seat (2), first support (5) department is equipped with bridge type contact, one side of second support (6) is inlayed and is established temperature sensor (7), the opposite side that is located second support (6) is inlayed and is established controller (9), be equipped with temperature monitoring unit (12) and processing module (13) in controller (9).
2. An air circuit breaker-based cooling system as claimed in claim 1, wherein: the top of the fan (4) is provided with a shutter (10).
3. An air circuit breaker-based cooling system as claimed in claim 1, wherein: one side of the second support (6) is connected with a temperature sensor (7) through a moving contact bus (8) and an electric connection bus (11).
4. An air circuit breaker-based cooling system as claimed in claim 1, wherein: the output end of the temperature sensor (7) is connected with the input end of the temperature monitoring unit (12), the output end of the temperature monitoring unit (12) is connected with the input end of the processing module (13), the input end of the processing module (13) is divided into three paths to be respectively connected with the release (16), the input end of the driving module (14) and the input end of the double-power-supply controller (15), the output end of the driving module (14) is connected with the input end of the power supply module (3), and the output end of the power supply module (3) is connected with the fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020610056.XU CN212277054U (en) | 2020-04-22 | 2020-04-22 | Cooling system based on air circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020610056.XU CN212277054U (en) | 2020-04-22 | 2020-04-22 | Cooling system based on air circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277054U true CN212277054U (en) | 2021-01-01 |
Family
ID=73875815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020610056.XU Active CN212277054U (en) | 2020-04-22 | 2020-04-22 | Cooling system based on air circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277054U (en) |
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2020
- 2020-04-22 CN CN202020610056.XU patent/CN212277054U/en active Active
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