CN211350552U - Device for eliminating external flashover at incoming line end of circuit breaker - Google Patents
Device for eliminating external flashover at incoming line end of circuit breaker Download PDFInfo
- Publication number
- CN211350552U CN211350552U CN202020468921.1U CN202020468921U CN211350552U CN 211350552 U CN211350552 U CN 211350552U CN 202020468921 U CN202020468921 U CN 202020468921U CN 211350552 U CN211350552 U CN 211350552U
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- extinguishing
- protection device
- circuit breaker
- circuit protection
- arc
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Abstract
The utility model provides an eliminate device of outside flashover of circuit breaker inlet wire end, include the casing of being connected with circuit protection device, be equipped with the arc-extinguishing cover with the corresponding department of circuit protection device wiring position on the casing, the arc-extinguishing cover is connected in the casing. The utility model has the advantages that: the utility model discloses a binding post position is provided with arc control device in circuit protection device for circuit protection device's binding post position can produce the arc extinguishing effect.
Description
Technical Field
The utility model belongs to the technical field of circuit protection, especially, relate to an eliminate device of the outside flashover of circuit breaker inlet wire end among the circuit protection device of circuit breaker, fuse, air switch etc..
Background
In the existing circuit protection device, for example, an arc extinguishing system is only arranged at the contact position of a moving contact and a fixed contact in a circuit breaker, and in the power-on use process, the connection position of a power line and the fixed contact also has an arc-striking phenomenon, so that other parts of the circuit breaker are damaged by the arc-striking, and the service life of the circuit breaker is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an arc control device of elimination wiring position flashover is provided.
The utility model discloses a realize through following technical scheme:
the device for eliminating the external flashover of the wire inlet end of the circuit breaker comprises a shell connected with a circuit protection device, wherein a metal arc-extinguishing cover is arranged on the shell at a position corresponding to the wiring position of the circuit protection device, and the arc-extinguishing cover is embedded and connected in the shell.
The utility model has the advantages that: the utility model discloses a binding post position is provided with arc control device in circuit protection device for circuit protection device's binding post position can produce the arc extinguishing effect.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic structural view of the present invention mounted on a circuit breaker;
FIG. 3 is an exploded view of the structure of FIG. 2;
FIG. 4 is a schematic structural view of the present invention with the bolt and the arc chute removed;
figure 5 is a schematic structural view of the arc-extinguishing chamber of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples.
Examples
As shown in fig. 1-5, an apparatus for eliminating external arcing at an incoming line end of a circuit breaker includes a housing 2 connected to a circuit protection device 1 (in this embodiment, a circuit breaker, and may also be any other circuit protection device 1 or electrical appliance requiring wiring, such as a fuse, etc.), an arc extinguishing shield 3 is disposed on the housing 2 at a position corresponding to a wiring position of the circuit protection device 1, the arc extinguishing shield 3 is connected in the housing 2, in this embodiment, the circuit protection device 1 is a circuit breaker, and an arc extinguishing device is already disposed at a contact position of a moving contact and a fixed contact inside the circuit breaker.
In order to make the utility model discloses convenient and the assembly of circuit protection device 1, will casing 2 design for cooperate with circuit protection device 1 grafting back joint. Thus facilitating the disassembly and assembly of the two.
In order to reduce the volume of the utility model, the arc extinguishing chamber 3 is designed as a bent metal plate and is provided with densely distributed through holes on the plate body. Preferably, the arc extinguishing chamber 3 is bent to form a bow-shaped structure. The plate that the arc-extinguishing chamber 3 design was bent makes it not only arc extinguishing effectual, does not occupy great space moreover, makes the utility model discloses a volume can be done less relatively.
In order to install arc-extinguishing chamber 3 on casing 2, will casing 2 on be equipped with the space 21 that supplies arc-extinguishing chamber 3 to imbed, arc-extinguishing chamber 3 directly places in this space 21 in this embodiment, and this space 21 has an opening, and the opening sets up towards circuit protection device 1 one side, owing to the opening of placing arc-extinguishing chamber 3's space 21 receives the unable roll-off of stopping of circuit protection device 1 after arc-extinguishing chamber 3 has been placed, is equipped with ventilation hole 22 in this embodiment in the outside of this space 21. The arrangement of the vent holes 22 can enable the arc extinguishing chamber 3 to quickly dissipate heat after attracting electric arcs, and avoid damaging parts.
For convenience the utility model discloses with circuit protection device 1's connection, be equipped with first grafting portion 23 on casing 2, be equipped with on the circuit protection device 1 that corresponds and supply first grafting portion 23 male slot 11, both peg graft the cooperation and make assembly efficiency high.
In order to make the utility model discloses restrict its direction of motion after pegging graft with circuit protection device 1, will the profile design of first grafting portion 23 be the wedge structure, slot 11 on the circuit protection device 1 that corresponds be with grafting portion complex dovetail, like this the utility model discloses just can only follow the length direction motion of dovetail.
In order to make the utility model discloses can fixed connection after inserting circuit protection device 1 is last, be equipped with the second grafting portion 24 of pegging graft with circuit protection device 1 on casing 2, be equipped with on the second grafting portion 24 with the joint portion 241 of circuit protection device 1 joint, be equipped with on the circuit protection device 1 and supply second grafting portion 24 male jack 12 to be equipped with the draw-in groove 121 that supplies joint portion 241 card to go into in this jack 12. Joint portion 241 cooperation circuit protection device jack draw-in groove 121 on second grafting portion 24 and the second grafting portion 24 sets up and makes the utility model discloses form fixed cooperation after pegging graft with circuit protection device 1, prevent that both from connecting to drop.
In order to form elastic contraction when the clamping portion 241 of the second insertion part 24 is inserted into the circuit protection device 1, so that the second insertion part 24 can be smoothly inserted into the circuit protection device 1, a cutting groove 242 is axially arranged on the second insertion part 24, and the cutting groove 242 forms a contraction space for the inward movement of the clamping portion 241, so that the clamping portion 241 contracts towards the cutting groove 242 when the second insertion part 24 is inserted into the circuit protection device 1, and rebounds after the clamping portion 241 is clamped into the clamping groove 121.
In order to prevent the user or other people from stealing electricity or opening the utility model, the plug 25 is movably inserted in the cutting groove 242, and the plug 25 is connected with the shell 2 through lead sealing. All be equipped with the hole that supplies to seal lead and pass on the bolt 25 and the casing 2 in this embodiment, seal lead and link together bolt 25 and casing 2, unpack apart in needs the utility model discloses must destroy when with circuit protection device 1 and seal lead, consequently bolt 25 and with bolt 25 with the utility model discloses a seal lead and link together and can play and prevent that the user from stealing and opening the utility model aims at.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a eliminate device of circuit breaker inlet wire end outside flashover which characterized in that: the circuit protection device comprises a shell connected with a circuit protection device, wherein a metal arc-extinguishing cover is arranged on the shell at a position corresponding to the wiring position of the circuit protection device, and the arc-extinguishing cover is embedded and connected in the shell.
2. The apparatus for extinguishing external flashover at a line inlet end of a circuit breaker as recited in claim 1, wherein: the shell is in clamping fit with the circuit protection device after being plugged.
3. The apparatus for extinguishing external flashover at the inlet end of a circuit breaker according to claim 1 or 2, wherein: the arc extinguishing cover is a bent metal plate, and densely distributed through holes are formed in the plate body.
4. The apparatus for extinguishing external arcing at the inlet end of a circuit breaker according to claim 3, wherein: the arc extinguishing cover is bent to be of a bow-shaped structure.
5. The apparatus for extinguishing external arcing at the inlet end of a circuit breaker according to claim 3, wherein: the shell is provided with a space for embedding the arc-extinguishing cover, the arc-extinguishing cover is arranged in the space, and the outer side of the space is provided with a vent hole.
6. The apparatus for extinguishing external arcing at the inlet end of a circuit breaker according to claim 3, wherein: the shell is provided with a first plugging part, and the corresponding circuit protection device is provided with a slot for the first plugging part to be plugged into.
7. The apparatus for extinguishing external arcing at the inlet end of a circuit breaker of claim 6, wherein: the section of the first inserting part is of a wedge-shaped structure.
8. The apparatus for extinguishing external flashover at a line inlet end of a circuit breaker as recited in claim 2, wherein: the shell is provided with a second insertion part inserted with the circuit protection device, the second insertion part is provided with a clamping part clamped with the circuit protection device, the circuit protection device is provided with a jack for inserting the second insertion part, and a clamping groove for clamping the clamping part is arranged in the jack.
9. The apparatus for extinguishing arcing outside a line inlet end of a circuit breaker as recited in claim 8, wherein: the axial of second grafting portion be equipped with a grooving, the grooving forms the shrink space that supplies joint portion inward movement.
10. The apparatus for extinguishing external arcing at the inlet end of a circuit breaker of claim 9, wherein: the slot is movably inserted with a bolt, and the bolt is connected with the shell through a lead sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468921.1U CN211350552U (en) | 2020-04-02 | 2020-04-02 | Device for eliminating external flashover at incoming line end of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020468921.1U CN211350552U (en) | 2020-04-02 | 2020-04-02 | Device for eliminating external flashover at incoming line end of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211350552U true CN211350552U (en) | 2020-08-25 |
Family
ID=72095018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020468921.1U Active CN211350552U (en) | 2020-04-02 | 2020-04-02 | Device for eliminating external flashover at incoming line end of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211350552U (en) |
-
2020
- 2020-04-02 CN CN202020468921.1U patent/CN211350552U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 396 Chezhan Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Minpu Electric Group Co., Ltd Address before: 325000 Huancheng East Road, Houjie Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: MINPU ELECTRIC Co.,Ltd. |