CN219677189U - Plastic case circuit breaker with good arc extinguishing effect - Google Patents
Plastic case circuit breaker with good arc extinguishing effect Download PDFInfo
- Publication number
- CN219677189U CN219677189U CN202320306837.3U CN202320306837U CN219677189U CN 219677189 U CN219677189 U CN 219677189U CN 202320306837 U CN202320306837 U CN 202320306837U CN 219677189 U CN219677189 U CN 219677189U
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- CN
- China
- Prior art keywords
- circuit breaker
- arc extinguishing
- case circuit
- extinguishing effect
- motor
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- 230000000694 effects Effects 0.000 title claims abstract description 21
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 241001233242 Lontra Species 0.000 claims abstract description 5
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 230000008033 biological extinction Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a molded case circuit breaker with good arc extinguishing effect, belongs to the technical field of circuit breakers, and solves the problem that the current molded case circuit breaker is poor in arc extinguishing effect. Adopt including the insulating chamber, be provided with movable conductive rod on the insulating chamber, quiet conductive rod, the inlet port, venthole and arc extinction otter board, be provided with down motor in the insulating chamber, refrigeration original paper and last motor, be provided with the fan on the last motor, be provided with down the fan on the lower motor, be provided with spout and movable contact seat on the movable conductive rod, be provided with the receipts rope machine in the spout, be provided with the stay cord on the receipts rope machine, be provided with the guide block on the stay cord, be provided with the push rod on the guide block, be provided with push away groove and left contact on the movable contact seat, be provided with the static contact on the quiet conductive rod, arc extinction through fan and push rod, thereby reach the purpose that makes moulded case circuit breaker arc extinction effect reinforcing.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a molded case circuit breaker with a good arc extinguishing effect.
Background
When the switch is closed or opened, enough external voltage exists between the contacts, and when the circuit current reaches the minimum arc generating current, the electric arc can be formed, so that the electric arc has a great destructive effect on the contacts, the circuit breaking time is prolonged, and especially when the circuit breaks down, if the circuit cannot be timely powered off, the electric appliance is damaged, even fire is caused, the safety of personnel and equipment is endangered, therefore, the electric arc needs to be extinguished by utilizing an arc extinguishing device, and the safety of a switching machine and an electric appliance is ensured. Most of the existing arc-extinguishing devices utilize arc-extinguishing grids to extinguish the arc, and the arc-extinguishing grids are easy to burn and damage after long-time use.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the molded case circuit breaker with good arc extinguishing effect, and solves the problem that the current molded case circuit breaker is poor in arc extinguishing effect.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a plastic case circuit breaker with good arc extinguishing effect is characterized in that: including insulating chamber 1, be provided with movable conductive rod 6, quiet conductive rod 7, inlet port 5, venthole 13 and arc extinguishing otter board 12 on the insulating chamber 1, be provided with motor 2, refrigeration original paper 3 and last motor 10 down in the insulating chamber 1, be provided with fan 11 on the last motor 10, be provided with down fan 4 on the motor 2 down, be provided with spout 8 and movable contact 9 on the movable conductive rod 6, be provided with rope winding machine 20 in the spout 8, be provided with stay cord 16 on the rope winding machine 20, be provided with guide block 19 on the stay cord 16, be provided with push rod 17 on the guide block 19, be provided with push groove 18 and left contact 15 on the movable contact 9, be provided with static contact 14 on the quiet conductive rod 7.
Preferably, the number of the lower fans 4 is not less than one.
Preferably, the length of the air inlet hole 5 is not less than one third of the length of the insulating chamber 1.
Preferably, the number of the air outlet holes 13 is not less than one.
Preferably, the length of the push rod 17 is not smaller than the length of the left contact 15.
Compared with the prior art, the utility model has the following beneficial effects:
the molded case circuit breaker with good arc extinguishing effect provided by the utility model is used for extinguishing arc through the fan and the push rod, so that the aim of enhancing the arc extinguishing effect of the molded case circuit breaker is fulfilled, and the molded case circuit breaker has the advantages of simple structure, convenience in use and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. an insulating chamber; 2. a lower motor; 3. a refrigeration element; 4. a lower fan; 5. an air inlet hole; 6. a movable conductive rod; 7. a static conductive rod; 8. a chute; 9. a movable contact base; 10. a motor is arranged; 11. a top fan; 12. arc extinguishing screen board; 13. an air outlet hole; 14. a stationary contact; 15. a left contact; 16. a pull rope; 17. a push rod; 18. pushing grooves; 19. a guide block; 20. a rope winding machine.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to the embodiment of the utility model, the molded case circuit breaker with good arc extinguishing effect is provided
Embodiment one:
as shown in fig. 1 of the accompanying drawings, a molded case circuit breaker with good arc extinguishing effect is characterized in that: including insulating chamber 1, be provided with movable conductive rod 6, quiet conductive rod 7, inlet port 5, venthole 13 and arc extinction otter board 12 on the insulating chamber 1, be provided with down motor 2, refrigeration original paper 3 and last motor 10 in the insulating chamber 1, be provided with down fan 11 on the last motor 10, be provided with down fan 4 on the motor 2 down, be provided with spout 8 and movable contact 9 on the movable conductive rod 6, be provided with receipts rope machine 20 in the spout 8, be provided with stay cord 16 on the receipts rope machine 20, be provided with guide block 19 on the stay cord 16, be provided with push rod 17 on the guide block 19, be provided with push groove 18 and left contact 15 on the movable contact 9, be provided with quiet contact 14 on the quiet conductive rod 7, start down fan 4 rotation under the motor 2, get into air from inlet port 5, start refrigeration original paper 3, start up motor 10 drive upper fan 11, go out of gas with the air from venthole 13 to carry out the arc extinction effect reinforcing purpose is reached.
Embodiment two:
as shown in fig. 1 of the accompanying drawings, a molded case circuit breaker with good arc extinguishing effect is characterized in that: including insulating chamber 1, be provided with movable conductive rod 6, quiet conductive rod 7, inlet port 5, venthole 13 and arc extinguishing otter board 12 on the insulating chamber 1, be provided with down motor 2, refrigeration original paper 3 and last motor 10 in the insulating chamber 1, be provided with on the last motor 10 and go up fan 11, be provided with down fan 4 on the motor 2 down, be provided with spout 8 and movable contact 9 on the movable conductive rod 6, be provided with receipts rope machine 20 in the spout 8, be provided with stay cord 16 on the receipts rope machine 20, be provided with guide block 19 on the stay cord 16, be provided with push rod 17 on the guide block 19, be provided with push groove 18 and left contact 15 on the movable contact 9, be provided with stationary contact 14 on the quiet conductive rod 7, receipts rope machine 20 receives stay cord 16 when the contact is divided to drive push rod 17 promotes stationary contact 14 and keeps away from fast, thereby reaches the purpose that makes the arc extinguishing effect of moulded case circuit breaker strengthen.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A plastic case circuit breaker with good arc extinguishing effect is characterized in that: including insulating room (1), be provided with on insulating room (1) and move conducting rod (6), quiet conducting rod (7), inlet port (5), venthole (13) and arc extinguishing otter board (12), be provided with down motor (2), refrigeration original paper (3) and last motor (10) in insulating room (1), be provided with on last motor (10) and go up fan (11), be provided with down fan (4) on lower motor (2), be provided with spout (8) and movable contact seat (9) on moving conducting rod (6), be provided with in spout (8) and receive rope machine (20), be provided with stay cord (16) on receipts rope machine (20), be provided with guide block (19) on stay cord (16), be provided with push rod (17) on guide block (19), be provided with push groove (18) and left contact (15) on movable contact seat (9), be provided with static contact (14) on quiet conducting rod (7).
2. The molded case circuit breaker with good arc extinguishing effect according to claim 1, wherein: the number of the lower fans (4) is not less than one.
3. The molded case circuit breaker with good arc extinguishing effect according to claim 1, wherein: the length of the air inlet hole (5) is not less than one third of the length of the insulating chamber (1).
4. The molded case circuit breaker with good arc extinguishing effect according to claim 1, wherein: the number of the air outlet holes (13) is not less than one.
5. The molded case circuit breaker with good arc extinguishing effect according to claim 1, wherein: the length of the push rod (17) is not smaller than the length of the left contact (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306837.3U CN219677189U (en) | 2023-02-24 | 2023-02-24 | Plastic case circuit breaker with good arc extinguishing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306837.3U CN219677189U (en) | 2023-02-24 | 2023-02-24 | Plastic case circuit breaker with good arc extinguishing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219677189U true CN219677189U (en) | 2023-09-12 |
Family
ID=87896387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320306837.3U Active CN219677189U (en) | 2023-02-24 | 2023-02-24 | Plastic case circuit breaker with good arc extinguishing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219677189U (en) |
-
2023
- 2023-02-24 CN CN202320306837.3U patent/CN219677189U/en active Active
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