CN203339046U - Circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure - Google Patents
Circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure Download PDFInfo
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- CN203339046U CN203339046U CN2013202843972U CN201320284397U CN203339046U CN 203339046 U CN203339046 U CN 203339046U CN 2013202843972 U CN2013202843972 U CN 2013202843972U CN 201320284397 U CN201320284397 U CN 201320284397U CN 203339046 U CN203339046 U CN 203339046U
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- arc
- arc extinguishing
- control device
- circuit breaker
- mounting structure
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Abstract
A circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure is disclosed, comprising an arc extinguishing chamber (1). The circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure is characterized in that at least one gas production insulating material thin sheet (2) is fixedly mounted at the two sides of the inner wall of an arc extinguishing cover (101) of the arc extinguishing chamber (1). Gas production insulating material thin sheets (2) are fixedly mounted at two ends below a first arc-isolating sheet (102) of the arc extinguishing chamber (1). The circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure is characterized in that a fastener structure is adopted for fixing the gas production insulating material thin sheets, great installation convenience is realized, and an arc extinguishing apparatus can be mounted at different positions of the arc extinguishing chamber through common use of one gas production thin sheet. The circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure is advantaged by high reliability, simple structure, convenience of installation, saved cost and the like.
Description
Technical field
The utility model belongs to the low voltage electrical apparatus technology field, particularly a kind of mounting structure of arc-extinguishing chamber of circuit breaker arc-control device.
Background technology
Circuit breaker is the pith in distribution apparatus, is mainly used in industrial low-voltage power system, be used for connecting and disjunction electrical network circuit in electric current and the harm of avoiding the faults such as overload, under voltage, short circuit, single-phase earthing of protection circuit and power-supply device.
The function that circuit breaker carries out disjunction to overload or short circuit current is mainly that the arc control device by being arranged in circuit breaker complete.Electric current breaks down in circuit; and when current value surpasses the setting protection range of intelligent controller; the action of driving operating mechanism, disconnect rapidly the dynamic and static contact of circuit breaker, thereby now the voltage between dynamic and static contact causes the air dielectric electric discharge to produce high-temperature electric arc.Thereby the air themperature in arc-control device that electric arc causes in combustion process sharply rises and accelerates air ionization.On the other hand, under the promotion of the magnetic field of electric arc in arc control device and hydrodynamic effect, by a plurality of flash barrier sheets, be separated into a plurality of short arcs, rely on the deionization effect of metal arc sheet strengthening electric arc, electric arc diminishes and voltage raises rapidly, makes arc extinction.
The arc-control device of existing circuit breaker mainly comes striking and arc extinguishing by two kinds of modes.A kind of is to drive arc motion by magnetic blow-out power, electric arc is entered in a plurality of metal arc extinguishing grid pieces and be separated into less electric arc.When current over-zero, the sheath layer by metal gate sheet negative electrode place, start to obtain the initial medium recovery strength.Along with the gap between the grid sheet is cooling, further improve medium recovery strength afterwards, arc extinction is no longer restriked.
Existing another kind of arc quenching method is to utilize air-blowing and magnetic blow-out jointly to drive the mode of electric arc, by place the gas exhausted material thin slice in arc-control device inwall both sides, by aerogenesis dielectric sheet material aerogenesis, makes electric arc accelerate to enter in the arc sheet.And all right cooling electric arc of gas exhausted material thin slice aerogenesis, reduce electric arc and the possibility that secondary is restriked occurs at the arc extinguishing grid pieces lower zone.Thereby obtain higher break performance and electrical endurance.But the fixed form of traditional gas exhausted material thin slice only has two kinds, a kind of is by the fixing arc control device inwall both sides of aerogenesis thin slice by rivet.The shortcoming of this mode is that complexity is installed, and cost is also higher.Another kind is by rivet hot, the aerogenesis thin slice to be fixed on to the inwall both sides of arc control device.The shortcoming of this mode is to have increased assembly process, influential to the arc control device outward appearance, affects arc quenching effect, and can produce peculiar smell when rivet hot, is unfavorable for production environment.
The utility model content
Mounting means for gas exhausted material thin slice in existing arc-control device inwall is too complicated, affect arc quenching effect, the technological deficiency that is unfavorable for production environment, the utility model provides a kind of mounting structure of arc-extinguishing chamber of circuit breaker arc-control device, aerogenesis apparatus is installed more reliable, and use identical aerogenesis apparatus to be arranged on the diverse location of arc control device, saved cost of parts, improved production efficiency.Technical scheme
In order to realize above-mentioned technical purpose, the utility model designs a kind of mounting structure of arc-extinguishing chamber of circuit breaker arc-control device, it comprises arc control device, it is characterized in that: at least a slice aerogenesis dielectric sheet material fixedly is equipped with in the arc-extinguish chamber inwall both sides of described arc control device, and the first arc sheet below end positions of described arc control device fixedly is equipped with the aerogenesis dielectric sheet material.
Described aerogenesis dielectric sheet material at least is provided with a buckle, in the countersunk head groove on the inwall of the arc-extinguish chamber at arc control device fixed by snap.
Described the first arc sheet is metal arc sheet, on metal arc sheet, is fitted with the aerogenesis dielectric sheet material.
One side of described aerogenesis dielectric sheet material is provided with inclined-plane, and the aerogenesis dielectric sheet material be arranged on the arc-extinguish chamber inwall of arc control device forms the infundibulate cavity by inclined-plane, and electric arc can accelerate enter in the arc extinguishing grid pieces of arc control device by the infundibulate cavity.
Beneficial effect
The utility model has adopted buckle structure to fix the aerogenesis dielectric sheet material, and it is very convenient to make to install, and a general aerogenesis thin slice can be arranged on the diverse location of arc control device.The advantages such as reliability is high, simple in structure, easy for installation so this utility model has, saving cost.
The accompanying drawing explanation
Accompanying drawing 1 is product figure of the present utility model.
Accompanying drawing 2 is front views of the present utility model.
Accompanying drawing 3 is left views of the present utility model.
Accompanying drawing 4 is the aerogenesis dielectric sheet material structural representations in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment
As shown in accompanying drawing 1～4, a kind of mounting structure of arc-extinguishing chamber of circuit breaker arc-control device, it comprises arc control device 1, it is characterized in that: at least a slice aerogenesis dielectric sheet material 2 fixedly is equipped with in the arc-extinguish chamber 101 inwall both sides of described arc control device 1, and the first arc sheet 102 below end positions of described arc control device 1 fixedly are equipped with aerogenesis dielectric sheet material 2.
Described aerogenesis dielectric sheet material 2 at least is provided with a buckle 201, by buckle 201, is fixed in the countersunk head groove on arc-extinguish chamber 101 inwalls of arc control device 1.
Described the first arc sheet 102 is metal arc sheet, on metal arc sheet, is fitted with aerogenesis dielectric sheet material 2.
One side of described aerogenesis dielectric sheet material 2 is provided with inclined-plane 202, the aerogenesis dielectric sheet material 2 be arranged on arc-extinguish chamber 101 inwalls of arc control device 1 forms the infundibulate cavitys by inclined-plane 202, and electric arc can accelerate enter in the arc extinguishing grid pieces of arc control device 1 by the infundibulate cavity.
The utility model has adopted buckle structure to fix the aerogenesis dielectric sheet material, and it is very convenient to make to install, and a general aerogenesis thin slice can be arranged on the diverse location of arc control device.The advantages such as reliability is high, simple in structure, easy for installation so this utility model has, saving cost.
Claims (4)
1. the mounting structure of an arc-extinguishing chamber of circuit breaker arc-control device, it comprises arc control device (1), it is characterized in that: at least a slice aerogenesis dielectric sheet material (2) fixedly is equipped with in arc-extinguish chamber (101) the inwall both sides of described arc control device (1), and the first arc sheet (102) below end positions of described arc control device (1) fixedly is equipped with aerogenesis dielectric sheet material (2).
2. the mounting structure of a kind of arc-extinguishing chamber of circuit breaker arc-control device as claimed in claim 1, it is characterized in that: described aerogenesis dielectric sheet material (2) at least is provided with a buckle (201), by buckle (201), is fixed in the countersunk head groove of arc-extinguish chamber (101) inwall of arc control device (1).
3. the mounting structure of a kind of arc-extinguishing chamber of circuit breaker arc-control device as claimed in claim 1, it is characterized in that: described the first arc sheet (102) is metal arc sheet, is fitted with aerogenesis dielectric sheet material (2) on metal arc sheet.
4. the mounting structure of a kind of arc-extinguishing chamber of circuit breaker arc-control device as claimed in claim 1, it is characterized in that: a side of described aerogenesis dielectric sheet material (2) is provided with inclined-plane (202), the aerogenesis dielectric sheet material (2) be arranged on arc-extinguish chamber (101) inwall of arc control device (1) forms the infundibulate cavity by inclined-plane (202), and electric arc can accelerate enter in the arc extinguishing grid pieces of arc control device (1) by the infundibulate cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202843972U CN203339046U (en) | 2013-05-22 | 2013-05-22 | Circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202843972U CN203339046U (en) | 2013-05-22 | 2013-05-22 | Circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339046U true CN203339046U (en) | 2013-12-11 |
Family
ID=49707709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202843972U Expired - Fee Related CN203339046U (en) | 2013-05-22 | 2013-05-22 | Circuit breaker arc extinguishing chamber arc extinguishing apparatus mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339046U (en) |
-
2013
- 2013-05-22 CN CN2013202843972U patent/CN203339046U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 |