CN215183827U - Arc extinguish chamber of intelligent frame type circuit breaker - Google Patents
Arc extinguish chamber of intelligent frame type circuit breaker Download PDFInfo
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- CN215183827U CN215183827U CN202121723274.5U CN202121723274U CN215183827U CN 215183827 U CN215183827 U CN 215183827U CN 202121723274 U CN202121723274 U CN 202121723274U CN 215183827 U CN215183827 U CN 215183827U
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Abstract
The utility model relates to an explosion chamber of intelligent frame type circuit breaker, delete the piece including casing, a plurality of arc extinction, the casing including the cover body, set up the apron on the cover body, a plurality of arc extinction delete the piece and arrange the setting in the cavity of the cover body at intervals respectively, the apron on be provided with the arc leakage hole that is linked together with the cavity of the cover body, the arc leakage downthehole flame suppression subassembly that is provided with, the flame suppression subassembly including setting up two first steel needles on a plurality of arc extinction delete pieces, set up respectively at two first flame suppression pieces on two first steel needles, set up two second steel needles on first flame suppression piece, set up the second flame suppression piece on two second steel needles, first flame suppression piece, second flame suppression piece on be provided with the flame extinction hole that a plurality of and the cavity of the cover body are linked together respectively. The utility model has the advantages of simple structure, stable performance, reliable performance, convenient assembly and good arc extinguishing effect.
Description
Technical Field
The utility model relates to a low-voltage apparatus technical field, concretely relates to intelligent frame-type circuit breaker's explosion chamber.
Background
The frame-type breaker is a mechanical switch appliance which can connect, bear and break current under normal circuit conditions and can also connect, bear and break current for a certain time under specified abnormal circuit conditions. The frame type circuit breaker comprises a chassis, a face shield, a conductive system, an arc extinguish chamber, a contact system and an operating mechanism for realizing the connection between the conductive system and the contact system. Arc chutes are widely used in the field of low-voltage electrical appliances, in particular in circuit breakers. In the action process of breaking the circuit breaker with a load, the voltage between contacts causes air dielectric discharge to form electric arcs, so that an arc extinguishing chamber is usually arranged in a circuit breaker switch to extinguish the electric arcs, thereby ensuring the safe operation of electrical equipment. The arc extinguish chamber of the existing frame type circuit breaker is unreasonable in structural design and has the defects of complex structure, unstable performance, poor arc extinguish effect and inconvenient assembly.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, dependable performance, assembly are convenient, the effectual explosion chamber of intelligent frame-type circuit breaker of arc extinguishing.
In order to achieve the above object, the utility model discloses an explosion chamber of intelligent frame formula circuit breaker, including casing, a plurality of arc extinguishing bars piece, the casing including the cover body, set up the apron on the cover body, a plurality of arc extinguishing bars piece interval arrangement respectively set up in the cavity of the cover body, the apron on be provided with the arc leakage hole that is linked together with the cavity of the cover body, the arc leakage downthehole flame extinguishing subassembly that is provided with, the flame extinguishing subassembly including setting up two first steel needles on a plurality of arc extinguishing bars pieces, set up respectively at two first steel needles first flame extinguishing pieces, set up respectively two second steel needles on first flame extinguishing piece, set up the second flame extinguishing piece on two second steel needles, first flame extinguishing piece, second flame extinguishing piece on be provided with the flame extinguishing hole that a plurality of cavitys that are linked together with the cover body respectively.
The beneficial effect of above-mentioned structure does: be provided with the flame subassembly that goes out in the apron, the flame subassembly that goes out can cool off electric arc to effectively extinguish electric arc, be favorable to improving the arc extinguishing effect of this explosion chamber. First steel needle, second steel needle can go out the flame piece to first, the second plays the fixed stay effect of going out to be favorable to improving the job stabilization nature of this explosion chamber, thereby this explosion chamber has simple structure, dependable and stable performance, the assembly is convenient, the effectual advantage of arc extinguishing.
Particularly, the arc-extinguishing grid plates are respectively provided with an arc-shaped groove, the arc-shaped grooves of the arc-extinguishing grid plates are staggered, and arc-extinguishing channels are formed among the arc-extinguishing grooves of the arc-extinguishing grid plates. Arc-shaped grooves are formed in the arc-extinguishing grid pieces, arc-extinguishing channels are formed among the arc-extinguishing grid pieces, and the arc-extinguishing channels can be used for rapidly extinguishing the arc, so that the arc can be rapidly extinguished.
Particularly, an arc extinguishing bent plate is arranged at one end of the cavity of the cover body corresponding to the arc extinguishing channel, and a bent part extending in the arc extinguishing channel is arranged at one end of the arc extinguishing bent plate. The arc extinguishing bent plate can lead electric arcs into the arc extinguishing channel quickly, so that the electric arcs can be extinguished quickly, and the arc extinguishing effect of the arc extinguishing chamber is improved.
Particularly, the cover plate is provided with a positioning groove, one end of the cover body is clamped in the positioning groove, and the cover plate is provided with a plurality of screws connected with the cover body. The cover body is clamped on the cover plate, so that the cover body can be matched with the cover plate in a clamping manner, the cover body and the cover plate can be preassembled, and the cover plate and the cover body can be assembled conveniently.
Particularly, arc-shaped grooves are formed in the plurality of arc-extinguishing grid plates corresponding to the two first steel needles respectively, the two first steel needles are clamped in the arc-shaped grooves respectively, and the arc-extinguishing grid plates are matched with the two first steel needles in a clamping mode. Two first steel needle blocks are on the arc extinguishing bars piece to be convenient for two first steel needles and the assembly of arc extinguishing bars piece, be favorable to improving the assembly efficiency of this explosion chamber.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present invention is an arc extinguishing chamber of an intelligent frame type circuit breaker, including a housing 10, a plurality of arc extinguishing grids 11, the housing 10 includes a housing 101, a cover plate 102 disposed on the housing 101, the arc extinguishing grids 11 are respectively arranged in the cavity 100 of the cover body 101 at intervals, the cover plate 102 is provided with an arc discharge hole 103 communicated with the cavity 100 of the cover body 101, a flame-extinguishing assembly 20 is arranged in the arc-discharging hole 103, the flame-extinguishing assembly 20 comprises two first steel needles 21 arranged on the plurality of arc-extinguishing grid plates 11, first flame-extinguishing plates 22 respectively arranged on the two first steel needles 21, two second steel needles 23 respectively arranged on the first flame-extinguishing plates 22, and second flame-extinguishing plates 24 arranged on the two second steel needles 23, the first flame-out sheet 22 and the second flame-out sheet 24 are respectively provided with a plurality of flame-out holes 200 communicated with the cavity 100 of the cover body 101.
As shown in fig. 2 and 3, the arc-extinguishing bars 11 are respectively provided with an arc-shaped slot 111, the arc-extinguishing slots 111 of the arc-extinguishing bars 11 are staggered, and arc-extinguishing channels 110 are formed between the arc-extinguishing slots 111 of the arc-extinguishing bars 11. Arc-shaped grooves are formed in the arc-extinguishing grid pieces, arc-extinguishing channels are formed among the arc-extinguishing grid pieces, and the arc-extinguishing channels can be used for rapidly extinguishing the arc, so that the arc can be rapidly extinguished. An arc extinguishing bent plate 12 is disposed at an end of the cavity 100 of the cover 101 corresponding to the arc extinguishing channel 110, and one end of the arc extinguishing bent plate 12 has a bent portion 121 extending in the arc extinguishing channel 110. The arc extinguishing bent plate can lead electric arcs into the arc extinguishing channel quickly, so that the electric arcs can be extinguished quickly, and the arc extinguishing effect of the arc extinguishing chamber is improved. The cover plate 102 is provided with a positioning groove 1021, one end of the cover body 101 is clamped in the positioning groove 1021, and the cover plate 102 is provided with a plurality of screws 13 connected with the cover body 101. The cover body is clamped on the cover plate, so that the cover body can be matched with the cover plate in a clamping manner, the cover body and the cover plate can be preassembled, and the cover plate and the cover body can be assembled conveniently. The arc-extinguishing grid pieces 11 are provided with arc-shaped grooves 112 corresponding to the two first steel needles 21 respectively, the two first steel needles 21 are clamped in the arc-shaped grooves 112 respectively, and the arc-extinguishing grid pieces 11 are in clamping fit with the two first steel needles 21. Two first steel needle blocks are on the arc extinguishing bars piece to be convenient for two first steel needles and the assembly of arc extinguishing bars piece, be favorable to improving the assembly efficiency of this explosion chamber.
Be provided with the flame subassembly that goes out in the apron, the flame subassembly that goes out can cool off electric arc to effectively extinguish electric arc, be favorable to improving the arc extinguishing effect of this explosion chamber. First steel needle, second steel needle can go out the flame piece to first, the second plays the fixed stay effect of going out to be favorable to improving the job stabilization nature of this explosion chamber, thereby this explosion chamber has simple structure, dependable and stable performance, the assembly is convenient, the effectual advantage of arc extinguishing.
Claims (5)
1. The utility model provides an explosion chamber of intelligent frame type circuit breaker, includes casing, a plurality of arc extinguishing bars piece, its characterized in that: the casing including the cover body, set up the apron on the cover body, a plurality of arc extinguishing bars respectively interval arrangement set up in the cavity of the cover body, the apron on be provided with the arc hole that leaks that is linked together with the cavity of the cover body, the arc downthehole flame components that extinguish that is provided with of leaking, flame components including setting up two first steel needles on a plurality of arc extinguishing bars, set up the first flame extinguishing piece on two first steel needles respectively, set up two second steel needles on first flame extinguishing piece respectively, set up the second flame extinguishing piece on two second steel needles, first flame extinguishing piece, second flame extinguishing piece on be provided with the flame hole that extinguishes that a plurality of and the cavity of the cover body are linked together respectively.
2. An arc chute of a smart frame breaker as claimed in claim 1, wherein: the arc extinguishing bars are provided with arc grooves respectively, the arc grooves of the arc extinguishing bars are staggered, and arc extinguishing channels are formed between the arc grooves of the arc extinguishing bars.
3. Arc chute of a smart frame circuit breaker according to claim 1 or 2, characterized in that: the one end department that corresponds arc extinguishing passageway in the cavity of the cover body be provided with the arc extinguishing bent plate, the one end of this arc extinguishing bent plate has the portion of bending that extends in the arc extinguishing passageway.
4. An arc chute of a smart frame breaker as claimed in claim 1, wherein: the cover plate is provided with a positioning groove, one end of the cover body is clamped in the positioning groove, and the cover plate is provided with a plurality of screws connected with the cover body.
5. An arc chute of a smart frame breaker as claimed in claim 1, wherein: the arc-extinguishing grid pieces are provided with arc-shaped grooves corresponding to the two first steel needles respectively, and the two first steel needles are clamped in the arc-shaped grooves respectively and form clamping matching of the arc-extinguishing grid pieces and the two first steel needles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723274.5U CN215183827U (en) | 2021-07-27 | 2021-07-27 | Arc extinguish chamber of intelligent frame type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121723274.5U CN215183827U (en) | 2021-07-27 | 2021-07-27 | Arc extinguish chamber of intelligent frame type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215183827U true CN215183827U (en) | 2021-12-14 |
Family
ID=79404963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121723274.5U Active CN215183827U (en) | 2021-07-27 | 2021-07-27 | Arc extinguish chamber of intelligent frame type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215183827U (en) |
-
2021
- 2021-07-27 CN CN202121723274.5U patent/CN215183827U/en active Active
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