CN218730767U - Static contact for molded case circuit breaker - Google Patents
Static contact for molded case circuit breaker Download PDFInfo
- Publication number
- CN218730767U CN218730767U CN202222244677.2U CN202222244677U CN218730767U CN 218730767 U CN218730767 U CN 218730767U CN 202222244677 U CN202222244677 U CN 202222244677U CN 218730767 U CN218730767 U CN 218730767U
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- platform
- striking rod
- circuit breaker
- magnet
- connecting portion
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Abstract
The utility model relates to a moulded case static contact for circuit breaker, a serial communication port, including contact carrier, contact carrier includes stationary contact mount table, first connecting portion, first platform, second connecting portion and second platform, stationary contact mount table, first connecting portion, first platform, second connecting portion and second platform connect gradually the shaping, be provided with the stationary contact on the stationary contact mount table, be provided with the striking rod support on the first platform, the striking rod support includes the joint portion with first platform installation and sets up first striking rod and the second striking rod in joint portion top, be provided with magnet on first striking rod and the second striking rod. The utility model discloses a set up the structure cooperation magnet of two striking poles for electric arc can be quick enter into the explosion chamber, has improved the breaking capacity of arc extinguishing effect and circuit breaker.
Description
Technical Field
The utility model relates to a moulded case circuit breaker static contact technical field especially relates to a moulded case circuit breaker static contact.
Background
With the improvement of living standard of people, social production and people's life are more and more unable to use the electricity, because of the high importance to the electric energy now, the reliability requirement of power supply is also more and more high, impels various high-low voltage apparatus protection function perfect more, and moulded case circuit breaker as one of low-voltage apparatus has also obtained the rapid development.
The molded case circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal condition within a prescribed time. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and when faults such as serious overload, short circuit, undervoltage and the like occur, the circuit can be automatically cut off, the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-underheating relay and the like, a static contact is an important part of the circuit breaker, a contact is used as a core part in low-voltage switch equipment and plays the functions of breaking and conducting, the performance of the circuit breaker directly influences the quality and the service life of the circuit breaker, high-temperature and high-heat electric arcs can be generated between a moving contact and the static contact in the circuit connection or closing process of the circuit breaker, if the electric arcs cannot be rapidly led out and extinguished, the contacts between the moving contact and the static contact can be ablated, and the shell of the plastic shell circuit breaker can be greatly damaged, in the existing plastic shell circuit breaker, the electric arc energy generated by closing and breaking of the moving contact and the moving contact is led into an arc extinguishing chamber, but part of the electric arc energy is not led into the arc extinguishing chamber, and the residual electric arc energy causes the static contact and other mechanisms of the plastic shell breaking capacity of the plastic shell breaker to be reduced, thereby reducing the service life of the micro circuit breaker and influencing the quality of the micro circuit breaker.
Disclosure of Invention
An object of the utility model is to provide a moulded case static contact for circuit breaker accelerates the electric arc energy and gets into the explosion chamber, improves moulded case circuit breaker's breaking capacity.
In order to achieve the above purpose, the utility model provides the following technical proposal,
the utility model provides a moulded case static contact for circuit breaker, its characterized in that includes contact carrier, contact carrier includes stationary contact mount table, first connecting portion, first platform, second connecting portion and second platform, stationary contact mount table, first connecting portion, first platform, second connecting portion and second platform connect gradually the shaping, be provided with the stationary contact on the stationary contact mount table, be provided with the striking rod support on the first platform, the striking rod support includes the joint portion of installing with first platform and sets up first striking rod and the second striking rod in joint portion top, be provided with magnet on first striking rod and the second striking rod.
The utility model discloses further set up, first run-on pole and second run-on pole are the arc structure, and it bends to second connecting portion one side.
The utility model discloses further set up, magnet arrangement groove has been seted up at the top of first run-on pole and second run-on pole, magnet is located magnet arrangement inslot.
The utility model discloses further set up, the first side of first run-on pole and second run-on pole is provided with magnet resettlement groove, magnet resettlement groove sets up along the crooked direction of first side.
The utility model discloses further set up, the second side of first run-on pole and second run-on pole is provided with magnet resettlement groove, the crooked direction setting of second side is followed in magnet resettlement groove.
The utility model has the advantages that: the utility model discloses a structure cooperation magnet that sets up two run-on poles for electric arc can be quick enter into the explosion chamber, improved the breaking capacity of arc extinguishing effect and circuit breaker.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Reference numeral, 10, a contact holder; 101. a stationary contact mounting table; 102. a first connection portion; 103. a first platform; 104. a second connecting portion; 105. a second platform; 106. a stationary contact; 20. an arc striking rod support; 201. a clamping part; 202. a first arc striking rod; 203. a second arc striking rod; 30. a magnet placement groove; 40. A magnet;
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
Example 1:
as shown in fig. 1, the utility model relates to a moulded case stationary contact for circuit breaker, including contact carrier 10, contact carrier 10 includes stationary contact 106 mount table 101, first connecting portion 102, first platform 103, second connecting portion 104 and second platform 105, stationary contact 106 mount table 101, first connecting portion 102, first platform 103, second connecting portion 104 and second platform 105 connect gradually the shaping, be provided with stationary contact 106 on stationary contact 106 mount table 101, be provided with striking rod support 20 on the first platform 103, striking rod support 20 includes the joint portion 201 of installing with first platform 103 and sets up first striking rod 202 and the second striking rod 203 in joint portion 201 top, be provided with magnet 40 on first striking rod 202 and the second striking rod 203, state first striking rod 202 and second striking rod 203 for the arc structure, and it bends to second connecting portion 104 one side. The top of the first arc ignition rod 202 and the second arc ignition rod 203 is provided with a magnet placing groove 30, and the magnet 40 is positioned in the magnet placing groove 30.
Example 2:
the present embodiment is different from embodiment 1 in that, as shown in fig. 2, the first side surfaces of the first and second arc starting rods 202 and 203 are provided with the magnet seating groove 30, and the magnet seating groove 30 is provided along the bending direction of the first side surface.
Example 3:
as shown in fig. 3, the present embodiment is different from embodiment 1 in that the second side surfaces of the first and second arc starting rods 202 and 203 are provided with magnet installation grooves 30, and the magnet installation grooves 30 are arranged along the bending direction of the second side surfaces.
The utility model discloses a set up the structure cooperation magnet 40 of two striking poles for electric arc can be quick enter into the explosion chamber, has improved the breaking capacity of arc extinguishing effect and circuit breaker.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrases "comprising one of \8230;" does not exclude the presence of additional like elements in an article or system comprising the element.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. The utility model provides a moulded case static contact for circuit breaker, its characterized in that includes contact carrier, contact carrier includes stationary contact mount table, first connecting portion, first platform, second connecting portion and second platform, stationary contact mount table, first connecting portion, first platform, second connecting portion and second platform connect gradually the shaping, be provided with the stationary contact on the stationary contact mount table, be provided with the striking rod support on the first platform, the striking rod support includes the joint portion of installing with first platform and sets up first striking rod and the second striking rod in joint portion top, be provided with magnet on first striking rod and the second striking rod.
2. The static contact for a molded case circuit breaker according to claim 1, wherein the first and second arc striking rods have an arc-shaped structure and are bent toward the second connecting portion.
3. The static contact for a molded case circuit breaker according to claim 2, wherein the first and second arcing bars have magnet receiving slots formed at top portions thereof, and the magnets are disposed in the magnet receiving slots.
4. The static contact for a molded case circuit breaker according to claim 2, wherein the first side surfaces of the first and second striking rods are provided with magnet seating grooves, and the magnet seating grooves are provided along a bending direction of the first side surfaces.
5. The static contact for a molded case circuit breaker according to claim 2, wherein the second side surfaces of the first and second arc-starting bars are provided with magnet-seating grooves, and the magnet-seating grooves are disposed along a bending direction of the second side surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222244677.2U CN218730767U (en) | 2022-08-25 | 2022-08-25 | Static contact for molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222244677.2U CN218730767U (en) | 2022-08-25 | 2022-08-25 | Static contact for molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730767U true CN218730767U (en) | 2023-03-24 |
Family
ID=85631546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222244677.2U Active CN218730767U (en) | 2022-08-25 | 2022-08-25 | Static contact for molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730767U (en) |
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2022
- 2022-08-25 CN CN202222244677.2U patent/CN218730767U/en active Active
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