CN102005322B - Switch apparatus arc extinguish chamber - Google Patents
Switch apparatus arc extinguish chamber Download PDFInfo
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- CN102005322B CN102005322B CN 201010583633 CN201010583633A CN102005322B CN 102005322 B CN102005322 B CN 102005322B CN 201010583633 CN201010583633 CN 201010583633 CN 201010583633 A CN201010583633 A CN 201010583633A CN 102005322 B CN102005322 B CN 102005322B
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- gate sheet
- metal gate
- arc
- extinguish chamber
- sheet
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Abstract
The invention relates to a switch apparatus arc extinguish chamber which comprises an arcing ring, a grating sheet assembly, and an insulation wall; the grating sheet assembly consists of a metal grating sheet and an insulation grating sheet, wherein the metal grating sheet is made of permeability materials with high resistivity, and the length of the metal grating sheet does not exceed the length of the insulation grating sheet; and two sides of the insulation grating sheet in the thickness direction are fixed with a metal grating sheet respectively, and the metal grating sheet is placed interlaced relatively to the insulation grating sheet. The invention has the advantages that the cooling of the electric arc and deionizing function is enhanced, the setting speed of the electric arc voltage and the voltage value of the electric arc are improved, the discrimination ability of the switch electrical apparatus is improved, the volume of the arc extinguish chamber is reduced, and the electric arc region is reduced.
Description
Technical field
The present invention relates to a kind of switch apparatus arc extinguish chamber, belong to the device for switching technical field, specifically be used for high power switch electrical equipment.
Background technology
The arc control device of device for switching, the place that provides on the one hand the magnetic field energy that stores in the circuit to release, required arc voltage when producing on the other hand the circuit disjunction.Arc control device have important effect to the break performance of device for switching.
The arc control device operation principle of existing device for switching is: by the metal gate sheet electric arc is divided into the short arc of many series connection, each electric arc has a proximal pole pressure drop
U 0 , its numerical value becomes with size of current hardly when arc stability burns.The arc voltage that electric arc enters before the grid sheet is
U h =U 0 + EL, wherein
EBe the arc column average field intensity,
LBe arc length.Electric arc enters after the grid sheet, and arc voltage becomes
U ' h =nU 0 + EL ' ,
nBe the short arc number that is divided into by the grid sheet,
L ' Be the arc length of deduction grid sheet thickness, usually
LWith
L ' Be more or less the same, when
nBe worth when larger,
EL ' ＜＜
NU 0 , so that electric arc enters the arc voltage behind the grid sheet
U ' h U h , and almost irrelevant with arc current.
Adopt the arc control device of this kind structure, when cut-offfing high-tension circuit, needing increases arc voltage by the quantity that increases the metal gate sheet, so that the arc control device volume increases.
In addition, adopt the arc control device of this kind structure, when cut-offfing large electric current, the energy of storage is mainly discharged by the mode of arc burning, so that electric arc arc district is very long.
In addition, adopt the arc control device of this kind structure, the speed that arc voltage is set up is slower so that during the circuit disjunction arcing time longer, arc control device are ablated more serious.
Summary of the invention
The object of the invention is to, overcome the shortcoming that above-mentioned existing skill is stated, a kind of switch apparatus arc extinguish chamber is provided, solve that existing arc control device volume is large, the arc head of district, problem that breaking capacity is low.
Technical scheme of the present invention is as follows:
A kind of switch apparatus arc extinguish chamber comprises arc leading angle, grid chip module, insulation wall; Described grid chip module is comprised of metal gate sheet and insulated gate sheet, and wherein the metal gate sheet adopts the high resistivity permeability magnetic material to make, and the length of metal gate sheet is no more than the length of insulated gate sheet; Each fixing piece of metal grid sheet of described insulated gate sheet thickness direction both sides, and the relative insulated gate sheet of metal gate sheet is staggeredly placed.
Above-mentioned switch apparatus arc extinguish chamber, grid chip module are on its thickness direction, and every adjacent two grid chip modules keep the same intervals distance, and the end face alignment is arranged.
Above-mentioned switch apparatus arc extinguish chamber, the grid chip module is connected to form by brace by metal gate sheet and insulated gate sheet.
Above-mentioned switch apparatus arc extinguish chamber, the width of metal gate sheet is less than the width of insulated gate sheet; The metal gate sheet provides the proximal pole pressure drop in the device for switching breaking course, self seal in circuit simultaneously resistance drop is provided.
Above-mentioned switch apparatus arc extinguish chamber, the high resistivity permeability magnetic material that consists of the metal gate sheet is ferrum-chromium-aluminum.
Above-mentioned switch apparatus arc extinguish chamber, the connector that the metal gate sheet is made by permeability magnetic material near the contact side connects.
Above-mentioned switch apparatus arc extinguish chamber, the connector that the metal gate sheet is made by the ferrum-chromium-aluminum permeability magnetic material near the contact side connects.
Obvious technical effects of the present invention:
1, the interlaced arrangement by the metal gate sheet has increased contacting of the length of electric arc and electric arc and insulated gate sheet, has strengthened electric arc and has cooled off and the liberation that disappears, and has improved the speed of setting up and the arc voltage value of arc voltage.
2, by the metal gate sheet is sealed in circuit as resistance, improved the speed of setting up of arc voltage and arc voltage.
3, by the rational deployment of grid chip module in arc control device, make the arc control device inner chamber when electric arc produces, produce large draught head, impel the electric arc fast transfer to arc control device, greatly reduce the resistance that electric arc enters arc control device, reduce the arcing time, improve the arc extinguishing ability of arc control device.
4, by the Rapid Establishment arc voltage with improve arc voltage value, reduced arcing time and arc burning discharge energy, reduced the arc district.
The present invention is simple in structure, and the arc voltage rate of climb is fast, the arc voltage level is high, and electric arc arc district is little, and reliable operation is suitable for high power switch electrical equipment and uses.
Description of drawings
Fig. 1 is the arc control device of the insulation wall demonstration on one side internal structure schematic diagram that conceals of the present invention;
Fig. 2 is the another kind of structural representation of arc control device that the present invention consists of;
Fig. 3 is grid chip module structural representation of the present invention;
Fig. 4 is the left view of grid chip module structure shown in Figure 3;
Fig. 5 is the grid chip module structural representation that the present invention conceals the insulated gate sheet;
Fig. 6 is the left view of grid chip architecture shown in Figure 5;
Fig. 7 is the another kind of structural representation of the metal gate sheet of grid chip module of the present invention;
Fig. 8 is the A-A cutaway view of Fig. 7, the i.e. top view of metal gate sheet;
Fig. 9 is the B-B cutaway view of Fig. 7, the i.e. vertical view of metal gate sheet;
Figure 10 is the device for switching structural representation that the arc control device of one embodiment of the invention form;
Figure 11 is the device for switching structural representation that the arc control device of another embodiment of the present invention form.
Each member name is called among the figure: 1-grid chip module; 2-insulation wall; 3-arc leading angle; 4-insulation support plate; 1.1-brace; 1.2-metal gate sheet; 1.3-insulated gate sheet; 1.4-securing member; 5-connecting line; 6-the first arc control device; 7-electrical connection; 8-fixed contact; 9-moving contact; 10-the second arc control device; The electrical connection of 11-arc control device.
Embodiment
It is as follows that the invention will be further described in conjunction with the accompanying drawings and embodiments:
Embodiment 1:Fig. 1 is embodiment of a kind of switch apparatus arc extinguish chamber of the present invention.Illustrated is to have concealed the arc control device of insulation wall demonstration on one side internal structure.The present embodiment switch apparatus arc extinguish chamber, it has arc leading angle 3, grid chip module 1, insulation wall 2; Shown in Fig. 3,4, described grid chip module 1 is comprised of metal gate sheet 1.2 and insulated gate sheet 1.3 and securing member 1.4, wherein metal gate sheet 1.2 and brace 1.1 adopt high resistivity permeability magnetic material ferrum-chromium-aluminum to make, and the length of metal gate sheet 1.2 is no more than the length of insulated gate sheet 1.3; Grid chip module 1 is arranged in order or is staggered, and arc leading angle 3 is electrically connected in arc control device both sides and grid chip module 1.Each fixing piece of metal grid sheet 1.2 of described insulated gate sheet 1.3 thickness direction both sides, and metal gate sheet 1.2 relative insulated gate sheets 1.3 are staggeredly placed; The metal gate sheet 1.2 of described grid chip module 1 connects by permeability magnetic material near the contact side.As shown in Figure 1, grid chip module 1 is on its thickness direction, and every adjacent two grid chip modules 1 keep the same intervals distance, and the end face alignment is arranged.Grid chip module 1 is connected to form by brace 1.1 by metal gate sheet 1.2 and insulated gate sheet 1.3.The width of metal gate sheet 1.2 is less than the width of insulated gate sheet 1.3; Metal gate sheet 1.2 provides the proximal pole pressure drop in the device for switching breaking course, self seal in circuit simultaneously resistance drop is provided.The high resistivity permeability magnetic material that consists of metal gate sheet 1.2 is ferrum-chromium-aluminum.The connector that the metal gate sheet is made by the ferrum-chromium-aluminum permeability magnetic material near the contact side connects.
Further specify as follows: the metal gate sheet 1.2 of described grid chip module 1 is fixing with insulated gate sheet 1.3 by securing member 1.4 near the contact side with brace 1.1; Described grid chip module 1 conceals the structure of insulated gate sheet 1.3 shown in Fig. 5,6, and two metal gate sheets 1.2 and brace 1.1 form " U " font of a three-dimensional staggered floor; Be depicted as the another kind of structure of the metal gate sheet 1.2 of described grid chip module 1 such as Fig. 7,8,9, from the side of metal gate sheet 1.2, metal gate sheet 1.2 is " U " font take insulated gate sheet 1.3 as the plane of symmetry; Comprise device for switching structural representation that the arc control device of the embodiment of the invention form as shown in figure 10, the 6 the first arc control device that consist of for the present invention, 7 for being electrically connected, and 8 is fixed contact, and 9 is moving contact.
Embodiment 2:As different from Example 1, the embodiment of the invention as shown in Figure 2: comprise grid chip module 1, insulation support plate 4, connecting line 5, arc leading angle 3; Described grid chip module 1 keeps the same intervals distance to be arranged in order or is staggered, and forms an arc extinguishing cell, by connecting line 5 each arc extinguishing cell is together in series successively, and arc leading angle 3 is electrically connected with grid chip module 1; Comprise device for switching structural representation that the arc control device of the embodiment of the invention form as shown in figure 11, the 10 the second arc control device that consist of for the present invention, 7 for being electrically connected, and 8 is fixed contact, and 9 is moving contact, and 11 is two electrical connections between the arc control device.
Claim protection range of the present invention is not limited to above-described embodiment.
Claims (6)
1. a switch apparatus arc extinguish chamber comprises arc leading angle (3), grid chip module (1), insulation wall (2); It is characterized in that: described grid chip module (1) is comprised of metal gate sheet (1.2) and insulated gate sheet (1.3), wherein metal gate sheet (1.2) adopts the high resistivity permeability magnetic material to make, and the length of metal gate sheet (1.2) is no more than the length of insulated gate sheet (1.3); Each fixing piece of metal grid sheet (1.2) of described insulated gate sheet (1.3) thickness direction both sides, and metal gate sheet (1.2) relatively insulated gate sheet (1.3) be staggeredly placed; Described grid chip module (1) is connected to form by brace (1.1) by metal gate sheet (1.2) and insulated gate sheet (1.3), and two metal gate sheets (1.2) and brace (1.1) form " U " font of a three-dimensional staggered floor.
2. switch apparatus arc extinguish chamber as claimed in claim 1 is characterized in that: described grid chip module (1) is on its thickness direction, and every adjacent two grid chip modules (1) keep the same intervals distance, and the end face alignment is arranged.
3. switch apparatus arc extinguish chamber as claimed in claim 1, it is characterized in that: the width of described metal gate sheet (1.2) is less than the width of insulated gate sheet (1.3); Metal gate sheet (1.2) provides the proximal pole pressure drop in the device for switching breaking course, self seal in circuit simultaneously resistance drop is provided.
4. switch apparatus arc extinguish chamber as claimed in claim 1 is characterized in that: the high resistivity permeability magnetic material that consists of metal gate sheet (1.2) is ferrum-chromium-aluminum.
5. switch apparatus arc extinguish chamber as claimed in claim 1 is characterized in that: the connector connection that metal gate sheet (1.2) is made by permeability magnetic material near the contact side.
6. switch apparatus arc extinguish chamber as claimed in claim 5 is characterized in that: the connector connection that metal gate sheet (1.2) is made by the ferrum-chromium-aluminum permeability magnetic material near the contact side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010583633 CN102005322B (en) | 2010-12-10 | 2010-12-10 | Switch apparatus arc extinguish chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010583633 CN102005322B (en) | 2010-12-10 | 2010-12-10 | Switch apparatus arc extinguish chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102005322A CN102005322A (en) | 2011-04-06 |
| CN102005322B true CN102005322B (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010583633 Active CN102005322B (en) | 2010-12-10 | 2010-12-10 | Switch apparatus arc extinguish chamber |
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| CN (1) | CN102005322B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522276A (en) * | 2011-12-27 | 2012-06-27 | 法泰电器（江苏）股份有限公司 | Arc-extinguishing device of breaker |
| CN103794424B (en) * | 2014-03-02 | 2016-05-11 | 西安交通大学 | A kind of dc circuit breaker |
| CN109166747B (en) * | 2018-10-16 | 2024-03-08 | 武汉长海电气科技开发有限公司 | DC load switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282972A (en) * | 1999-07-29 | 2001-02-07 | Abb专利有限公司 | Arc extinguishing laminated piece set for electric switch device |
| EP1939904A2 (en) * | 2006-12-29 | 2008-07-02 | LS Industrial Systems Co., Ltd | Air circuit breaker with ARC extinguishing apparatus |
| CN101320663A (en) * | 2008-07-16 | 2008-12-10 | 乐星产电(无锡)有限公司 | Arc extinguishing chamber for breaker |
| DE102007058216A1 (en) * | 2007-11-30 | 2009-06-04 | Siemens Ag | Flash-over device for an electric switch for resetting an electric arc has electric-arc resetting metal plates partly coated on one side with a gas-emitting material |
| CN101556871A (en) * | 2008-04-09 | 2009-10-14 | Abb股份有限公司 | Arc splitter arrangement for an electrical switch |
| CN101908450A (en) * | 2010-07-20 | 2010-12-08 | 中国船舶重工集团公司第七一二研究所 | Direct current quick breaker |
-
2010
- 2010-12-10 CN CN 201010583633 patent/CN102005322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282972A (en) * | 1999-07-29 | 2001-02-07 | Abb专利有限公司 | Arc extinguishing laminated piece set for electric switch device |
| EP1939904A2 (en) * | 2006-12-29 | 2008-07-02 | LS Industrial Systems Co., Ltd | Air circuit breaker with ARC extinguishing apparatus |
| DE102007058216A1 (en) * | 2007-11-30 | 2009-06-04 | Siemens Ag | Flash-over device for an electric switch for resetting an electric arc has electric-arc resetting metal plates partly coated on one side with a gas-emitting material |
| CN101556871A (en) * | 2008-04-09 | 2009-10-14 | Abb股份有限公司 | Arc splitter arrangement for an electrical switch |
| CN101320663A (en) * | 2008-07-16 | 2008-12-10 | 乐星产电(无锡)有限公司 | Arc extinguishing chamber for breaker |
| CN101908450A (en) * | 2010-07-20 | 2010-12-08 | 中国船舶重工集团公司第七一二研究所 | Direct current quick breaker |
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| Publication number | Publication date |
|---|---|
| CN102005322A (en) | 2011-04-06 |
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