CN115360034A - Arc extinguish chamber - Google Patents
Arc extinguish chamber Download PDFInfo
- Publication number
- CN115360034A CN115360034A CN202210882742.6A CN202210882742A CN115360034A CN 115360034 A CN115360034 A CN 115360034A CN 202210882742 A CN202210882742 A CN 202210882742A CN 115360034 A CN115360034 A CN 115360034A
- Authority
- CN
- China
- Prior art keywords
- arc
- arc extinguishing
- extinguishing
- piece
- extinguish
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010891 electric arc Methods 0.000 description 11
- 238000004880 explosion Methods 0.000 description 9
- 230000008033 biological extinction Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/12—Ventilating; Cooling; Heating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to the technical field of contactors, and discloses an arc extinguish chamber, which comprises: a cover body; the arc extinguishing unit, the arc extinguishing unit sets up in the cover body, including being first arc extinguishing piece and the second arc extinguishing piece that the interval set up, is provided with first arc extinguishing groove on the first arc extinguishing piece, is provided with the second arc extinguishing groove on the second arc extinguishing piece, and first arc extinguishing groove is the dislocation distribution with the second arc extinguishing groove. The arc extinguishing chamber has the advantages that the first arc extinguishing grooves and the second arc extinguishing grooves which are distributed in a staggered mode are formed in the first arc extinguishing pieces and the second arc extinguishing pieces which are arranged at intervals, so that electric arcs are lengthened, the electric arcs can be effectively cut off, the electric arcs are quickly extinguished, and the arc extinguishing effect of the arc extinguishing chamber is improved.
Description
Technical Field
The invention relates to the technical field of contactors, in particular to an arc extinguish chamber.
Background
The arc extinguishing chamber is usually used for extinguishing electric arcs, and the arc extinguishing capability of the arc extinguishing chamber directly influences the breaking capability of the contactor, so that the safety of electricity utilization of the contactor is determined.
At present, an arc extinguish chamber of a contactor mainly adopts grid plate arc extinction, the arc extinguish chamber mainly structurally comprises an arc striking plate, arc extinguish plates and a cover body, the arc extinguish plates are usually multiple, and the arc extinguish plates are arranged at intervals. When the arc extinguishing, the striking piece need introduce electric arc between two adjacent arc extinguishing pieces, but current explosion chamber can't effectively cut off electric arc, leads to the arc extinguishing effect of explosion chamber relatively poor.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide an arc extinguishing chamber which can effectively cut off an arc and improve an arc extinguishing effect.
To achieve the above object, the present invention provides an arc chute, comprising:
a cover body;
the arc extinguishing unit, the arc extinguishing unit sets up in the cover body, including being first arc extinguishing piece and the second arc extinguishing piece that the interval set up, be provided with first arc extinguishing groove on the first arc extinguishing piece, be provided with the second arc extinguishing groove on the second arc extinguishing piece, first arc extinguishing groove with the second arc extinguishing groove is the dislocation distribution.
According to the arc extinguish chamber, the first arc extinguish chamber and the second arc extinguish chamber are both V-shaped.
According to the arc extinguishing chamber, the arc extinguishing unit still includes first connecting block and second connecting block, first connecting block with the second connecting block is the interval setting, first arc extinguishing piece with the second arc extinguishing piece all sets up first connecting block with between the second connecting block, just first arc extinguishing piece the second arc extinguishing piece first connecting block with second connecting block integrated into one piece.
According to the arc extinguishing chamber, the arc extinguishing chamber further comprises a permanent magnet, and the permanent magnet is arranged on one side of the arc extinguishing unit.
According to the arc extinguishing chamber, the number of the permanent magnets is two, and the two permanent magnets are respectively arranged on two sides of the arc extinguishing unit.
According to the arc extinguish chamber, an arc striking block is arranged above the arc extinguish unit, arc extinguish gaps are formed between the first arc extinguish sheets and the second arc extinguish sheets, and the arc striking block is provided with the arc striking sheets inserted into the arc extinguish gaps.
According to the arc extinguish chamber, be provided with the bar hole on the run-on block, the run-on piece sets up in the bar hole, just be provided with the slot on the inner wall in bar hole, one side setting of run-on piece is in the slot.
According to an arc extinguishing chamber, the arc extinguishing unit sets up to two, the cover body has two and holds the chamber, two the arc extinguishing unit sets up respectively two hold in the chamber.
According to the arc extinguish chamber, the cover plate is arranged on the cover body, and the heat dissipation holes are formed in the cover plate.
According to an explosion chamber, the louvre is established to a plurality ofly, and is a plurality of the louvre is the interval and sets up on the apron.
The invention has the following beneficial effects:
the arc extinguishing chamber is provided with the first arc extinguishing grooves and the second arc extinguishing grooves which are distributed in a staggered manner on the first arc extinguishing sheets and the second arc extinguishing sheets which are arranged at intervals, so that electric arcs are lengthened, the electric arcs can be effectively cut off, the electric arcs are rapidly extinguished, and the arc extinguishing effect of the arc extinguishing chamber is improved; the arc extinguishing unit is integrally formed, so that the consistency of parts is ensured, and the assembly difficulty of the arc extinguishing chamber can be reduced; permanent magnets are arranged on two sides of the arc extinguishing unit to drive the electric arc to move, and the electric arc is quickly pushed between the first arc extinguishing piece and the second arc extinguishing piece, so that the arc extinguishing effect of the arc extinguishing chamber is improved; this explosion chamber is through two arc extinguishing units arc extinction simultaneously, can promote the arc extinguishing effect of this explosion chamber.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is another schematic view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a schematic structural view of an arc extinguishing unit of the present invention;
fig. 5 is a schematic view of the connection of the arc extinguishing unit and the arc starting block of the present invention.
In the figure: 100. a cover body; 110. a cover plate; 111. heat dissipation holes; 200. an arc extinguishing unit; 210. a first arc extinguishing plate; 211. a first arc chute; 212. an arc extinguishing gap; 220. a second arc extinguishing plate; 221. a second arc chute; 230. a first connection block; 240. a second connecting block; 300. a permanent magnet; 400. an arc striking block; 410. a strip-shaped hole; 411. inserting slots; 412. an arc striking sheet; 413. and an arc striking plate.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, an arc extinguishing chamber, which is mainly used in a direct current contactor, includes an arc extinguishing unit 200 and a cover body 100. Arc extinguishing unit 200 sets up in cover body 100, including being first arc-extinguishing piece 210 and the second arc-extinguishing piece 220 that the interval set up, be provided with first arc-extinguishing groove 211 on the first arc-extinguishing piece 210, be provided with second arc-extinguishing groove 221 on the second arc-extinguishing piece 220, first arc-extinguishing groove 211 with second arc-extinguishing groove 221 is the dislocation distribution. Specifically, through setting up first arc-extinguishing groove 211 and the second arc-extinguishing groove 221 that are the dislocation distribution, elongate electric arc, can effectively cut off electric arc, make electric arc extinguish fast, promote the arc extinguishing effect of this explosion chamber.
Preferably, the first arc-extinguishing groove 211 and the second arc-extinguishing groove 221 are both V-shaped.
The arc extinguishing unit 200 further includes a first connecting block 230 and a second connecting block 240, the first connecting block 230 and the second connecting block 240 are arranged at intervals, the first arc-extinguishing piece 210 and the second arc-extinguishing piece 220 are both arranged between the first connecting block 230 and the second connecting block 240, and the first arc-extinguishing piece 210, the second arc-extinguishing piece 220, the first connecting block 230 and the second connecting block 240 are integrally formed. Specifically, the arc extinguishing unit 200 is integrally formed, and the assembly difficulty of the arc extinguishing chamber can be reduced while the consistency of parts is ensured.
And a permanent magnet 300, wherein the permanent magnet 300 is arranged at one side of the arc extinguishing unit 200. The magnetic field generated by the permanent magnet 300 can drive the arc to move, so that the arc is rapidly pushed between the first arc-extinguishing piece 210 and the second arc-extinguishing piece 220, thereby improving the arc-extinguishing effect of the arc-extinguishing chamber.
The number of the permanent magnets 300 is two, and the two permanent magnets 300 are respectively disposed at both sides of the arc extinguishing unit 200; the arc extinguishing effect of the arc extinguishing chamber can be further improved.
The number of the arc extinguishing units 200 is two, the housing 100 has two accommodating cavities, and the two arc extinguishing units 200 are respectively arranged in the two accommodating cavities; this explosion chamber passes through two arc extinguishing unit 200 arc extinction simultaneously, can promote the arc extinguishing effect of this explosion chamber.
An arc striking block 400 is disposed above the arc extinguishing unit 200, an arc extinguishing gap 212 is formed between the first arc extinguishing piece 210 and the second arc extinguishing piece 220, and an arc striking piece 412 inserted into the arc extinguishing gap 212 is disposed on the arc striking block 400. The arc chute 412 may guide an arc into the arc-extinguishing gap 212 between the first arc-extinguishing plate 210 and the second arc-extinguishing plate 220, so as to extinguish the arc.
In this embodiment, the arc-extinguishing gaps 212 and the arc-striking plates 412 are both multiple, and the arc-striking plates 412 are respectively inserted into the arc-extinguishing gaps 212, so that all arcs can be introduced into the arc-extinguishing gaps 212 to extinguish the arc, and the arc-extinguishing effect of the arc-extinguishing chamber can be ensured. One of the arc striking sheets 412 is provided with an arc striking plate 413; the arc striking plates 413 are arranged in the arc extinguishing gap 212 and extend out of the arc extinguishing unit 200, a double-contact bridge is arranged between the two arc striking plates 413, and the double-contact bridge is connected with the two arc striking plates 413, so that electric arc generated in power failure can be introduced into the arc extinguishing chamber for arc extinguishing.
Be provided with bar hole 410 on the arc ignition piece 400, the arc ignition piece 412 sets up in the bar hole 410, just be provided with slot 411 on the inner wall of bar hole 410, one side setting of arc ignition piece 412 is in the slot 411. In the installation of the arc striking piece 412, only the arc striking piece 412 needs to be inserted into the strip-shaped hole 410, and one side of the arc striking piece 412 is inserted into the slot 411, so that the installation process is simple and convenient; the slot 411 can limit the position of the tab 412, so as to prevent the tab 412 from falling out of the strip-shaped hole 410. Preferably, both ends of the bar-shaped hole 410 are provided with slots 411, and both sides of the arc striking piece 412 are inserted into two of the slots 411 respectively, so that the arc striking piece 412 can be effectively fixed, and the slots 411 can limit the position of the arc striking piece 412, thereby preventing the arc striking piece 412 from being separated from the arc striking block 400.
A cover plate 110 is arranged on the cover body 100, and heat dissipation holes 111 are formed in the cover plate 110; the heat dissipation holes 111 may rapidly dissipate heat generated during arc extinguishing. Preferably, the heat dissipation holes 111 are provided in plural, and the heat dissipation holes 111 are provided in the cover plate 110 at intervals.
The scheme provides an arc extinguish chamber, which is mainly used in a direct current contactor and comprises a cover body 100 and an arc extinguish unit 200. Through set up on first arc-extinguishing piece 210 and the second arc-extinguishing piece 220 that set up at the interval and be the first arc-extinguishing groove 211 and the second arc-extinguishing groove 221 of dislocation distribution, elongate electric arc, can cut off electric arc, make electric arc extinguish fast, promote the arc extinguishing effect of this explosion chamber.
The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments, or alternatives may be employed, by those skilled in the art, without departing from the spirit or ambit of the invention as defined in the appended claims.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions of the present invention as related to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated is indicative. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. An arc chute, comprising:
a cover body;
the arc extinguishing unit, the arc extinguishing unit sets up in the cover body, including being first arc extinguishing piece and the second arc extinguishing piece that the interval set up, be provided with first arc extinguishing groove on the first arc extinguishing piece, be provided with the second arc extinguishing groove on the second arc extinguishing piece, first arc extinguishing groove with the second arc extinguishing groove is the dislocation distribution.
2. An arc chute according to claim 1, characterized in that said first and second arc-extinguishing grooves are V-shaped.
3. The arc extinguish chamber according to claim 1, wherein the arc extinguish unit further comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are arranged at intervals, the first arc extinguish plate and the second arc extinguish plate are arranged between the first connecting block and the second connecting block, and the first arc extinguish plate, the second arc extinguish plate, the first connecting block and the second connecting block are integrally formed.
4. The arc chute according to claim 1, further comprising a permanent magnet disposed on one side of the arc extinguishing unit.
5. An arc extinguishing chamber according to claim 4, characterized in that the number of permanent magnets is two, and the two permanent magnets are respectively arranged on two sides of the arc extinguishing unit.
6. The arc extinguish chamber according to claim 1, wherein an arc striking block is arranged above the arc extinguish unit, an arc extinguish gap is formed between the first arc extinguish sheet and the second arc extinguish sheet, and an arc striking sheet inserted into the arc extinguish gap is arranged on the arc striking block.
7. The arc extinguish chamber according to claim 6, wherein a strip-shaped hole is formed in the arc-striking block, the arc-striking piece is arranged in the strip-shaped hole, a slot is formed in the inner wall of the strip-shaped hole, and one side of the arc-striking piece is arranged in the slot.
8. The arc extinguish chamber according to claim 1, wherein the number of the arc extinguish units is two, the cover body is provided with two accommodating cavities, and the two arc extinguish units are respectively arranged in the two accommodating cavities.
9. The arc extinguish chamber according to claim 1, wherein the cover is provided with a cover plate, and the cover plate is provided with heat dissipation holes.
10. The arc extinguish chamber according to claim 9, wherein the heat dissipation holes are arranged in a plurality, and the heat dissipation holes are arranged on the cover plate at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210882742.6A CN115360034A (en) | 2022-07-26 | 2022-07-26 | Arc extinguish chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210882742.6A CN115360034A (en) | 2022-07-26 | 2022-07-26 | Arc extinguish chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115360034A true CN115360034A (en) | 2022-11-18 |
Family
ID=84030897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210882742.6A Pending CN115360034A (en) | 2022-07-26 | 2022-07-26 | Arc extinguish chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115360034A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180027098A (en) * | 2016-09-06 | 2018-03-14 | 제일전기공업 주식회사 | Arc extinguishing structures |
| CN209526058U (en) * | 2019-04-17 | 2019-10-22 | 浙江天正电气股份有限公司 | A kind of small-sized DC circuit breaker |
| CN214411106U (en) * | 2021-04-30 | 2021-10-15 | 科都电气股份有限公司 | Arc extinguishing system of circuit breaker |
| CN216719779U (en) * | 2022-01-22 | 2022-06-10 | 浙江柏特利电气科技有限公司 | High-voltage arc-extinguishing chamber |
| CN216871882U (en) * | 2022-03-29 | 2022-07-01 | 浙江人民电器有限公司 | Arc extinguish chamber structure of universal circuit breaker |
-
2022
- 2022-07-26 CN CN202210882742.6A patent/CN115360034A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180027098A (en) * | 2016-09-06 | 2018-03-14 | 제일전기공업 주식회사 | Arc extinguishing structures |
| CN209526058U (en) * | 2019-04-17 | 2019-10-22 | 浙江天正电气股份有限公司 | A kind of small-sized DC circuit breaker |
| CN214411106U (en) * | 2021-04-30 | 2021-10-15 | 科都电气股份有限公司 | Arc extinguishing system of circuit breaker |
| CN216719779U (en) * | 2022-01-22 | 2022-06-10 | 浙江柏特利电气科技有限公司 | High-voltage arc-extinguishing chamber |
| CN216871882U (en) * | 2022-03-29 | 2022-07-01 | 浙江人民电器有限公司 | Arc extinguish chamber structure of universal circuit breaker |
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