CN1312711C - Arc suppressing room with gas deionization device - Google Patents
Arc suppressing room with gas deionization device Download PDFInfo
- Publication number
- CN1312711C CN1312711C CNB2004100057735A CN200410005773A CN1312711C CN 1312711 C CN1312711 C CN 1312711C CN B2004100057735 A CNB2004100057735 A CN B2004100057735A CN 200410005773 A CN200410005773 A CN 200410005773A CN 1312711 C CN1312711 C CN 1312711C
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- China
- Prior art keywords
- control device
- arc
- porous screen
- arc control
- layer
- 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.)
- Expired - Lifetime
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- 238000002242 deionisation method Methods 0.000 title claims abstract description 18
- 239000003351 stiffener Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000009954 braiding Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to an arc extinguishing chamber with a gas ionization eliminating device, which comprises an arc isolating wall in which a plurality of arc extinguishing grid sheets can be parallelly arranged. The present invention is characterized in that at least two layers of porous screens are arranged at the vicinity of an outlet of the arc extinguishing chamber, holes which are arranged on two adjacent layers of porous screens are arranged in the staggered mode, and a plurality of circular deionization columns are arranged between the two adjacent layers of porous screens; the deionization columns are arranged above the holes of the adjacent inner layers of porous screens; the deionization columns and contact surfaces of the holes form surfaces in the shapes of circular arcs. When an electric arc interrupts in the arc extinguishing chamber, ionized gas alternately passes through the porous screens and the deionization columns layer by layer, and is effectively cooled through a labyrinthine circuitous path and reflection. The hole diameters of the multiple layers of porous screens are preferably inconsistent and gradually become small from inside to outside. Thus, pressure rise of the arc extinguishing chamber is well controlled.
Description
Technical field
The present invention relates to a kind of arc control device of circuit breaker, these arc control device are installed in the circuit breaker, close timesharing at the contact of circuit breaker and play the arc extinguishing effect.
Background technology
In the prior art, circuit breaker closes the ionized gas that timesharing produces, and arc extinguishing flame few in number is only arranged after passing arc-chute, and we notice that this gas still is in the highly ionized state when discharging from arc control device.At existing a kind of up-to-date arc control device is to design porous screen near the exit, such device is disclosed in Chinese patent 97105586.6, at least comprise that at the porous screen described in the document one deck is called the braid of rep, by the parallel to each other and straight line filament that separates and wave current shape wave filament closely the intersection texture of braiding forms, this waveform wire and straight line wire vertical extent and on continuously arranged at least one straight line is wiry with below alternately pass.This apparatus structure complexity, the cost height.
Summary of the invention
What the present invention will solve is the prior art above shortcomings, propose a kind of improved, compact conformation, the arc control device of band deionization device.It can more effectively make the ionized gas cooling that is discharged into external environment, thereby weakens external environment influence.The technical scheme that addresses the above problem employing is: the arc control device that have gas deionization device, comprise arc separating wall, the a plurality of arc extinguishing grid pieces of energy parallel device in the described arc separating wall, it is characterized in that, near the outlet of described arc control device, be provided with two-layer porous screen at least, the hole of being offered on the adjacent two layers porous screen setting of staggering is provided with many circles free post that disappears between the adjacent two layers porous screen; The described free post that disappears place the hole that is adjacent the internal layer porous screen over against locating.When the electric arc interruption took place in the arc control device, ionized gas successively alternately by the porous screen and the free post that disappears, was cooled off through mazy circuitous approach and reflection effectively.
According to the present invention, the outermost layer of above-mentioned porous screen is made with corrosion-resistant metal materials, as stainless steel or nickel, all the other usefulness be the porous screen that heat-insulating material is done, can prevent that electric arc from forming eddy current on the element of filter course.
According to the present invention, the cross-sectional width of the free post that disappears is consistent with the aperture.But it also leaves the slit at the arc surface place each other and communicates, and allows just when the electric arc interruption takes place in the arc control device, and ionized gas obtains effectively constraining and cooling behind porous screen.Like this electric current gas through two-layer or more multi-layered after, its direction and flow velocity are all by very big disturbance, energy is improved the effect of deionization by cooling.
According to the present invention, the aperture of multi-layer porous screen is inconsistent, and the aperture diminishes from inside to outside gradually, and the pressure of having controlled arc control device well rises.
According to the present invention, contain the two-layer free post that disappears at least, the adjacent two layers free post that disappears is orthogonal.
According to another characteristics of the present invention, the free post that disappears of each layer is parallel to each other.
According to the present invention, the described free post that disappears is just aimed on the space at center, hole of adjacent porous screen, so that gas can extraordinary passing through.
According to the present invention, arc control device outlet top also has porous plate or stiffener, and it is placed in the porous screen outside to improve the mechanical performance of resistance to compression Reeb.
Other advantages of the present invention and structure will become more clear by describing in conjunction with following accompanying drawing.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is that arc control device of the present invention are contained in the perspective view on the circuit breaker;
Structure chart shown in Fig. 2 arc control device of the present invention remove behind the arc separating wall;
Fig. 3 a is equipped with the disappear schematic diagram of free post of internal layer circle on the porous screen;
Fig. 3 b be Fig. 3 a D-D to cutaway view;
Fig. 3 c be Fig. 3 d E-E to cutaway view;
Fig. 3 d is equipped with the disappear schematic diagram of free post of outer circle on the porous screen;
Fig. 4 is that another embodiment of the present invention is closed the outside schematic diagram that discharges of electric arc that timesharing causes at circuit breaker;
Fig. 5 is the structure chart of arc separating wall;
Fig. 6 is the structure chart of porous screen.
Embodiment
Fig. 1 represents that arc control device 2 of the present invention are contained on the circuit breaker 1, and this circuit breaker 1 each phase all is equipped with arc control device 2, with two screws 3 arc control device 2 is fixed on the circuit breaker 1.
Fig. 2 has shown the structure chart after arc control device 2 remove an arc separating wall 10, can clearly find out whole internal structure.Successively respectively be provided with one group of draw-in groove near the outlet of these arc control device 2 from inside to outside, multi-disc arc extinguishing grid pieces 11 is set in parallel in interior one deck draw-in groove C of arc separating wall 10, and then be that ground floor porous screen 8 devices are in the draw-in groove B of arc separating wall 10 successively, ground floor disappears free post 9 devices in the draw-in groove A of arc separating wall 10, what equally second layer porous screen 7, the second layer are disappeared free post 6, the 3rd layer of porous screen 5 is arranged on correspondence position in order, at last 4 screws of stiffener 4 usefulness is fixedly become one with arc separating wall 10.
Described free post 9, the 6 phase cross sections that disappear can be Any shape, but must be arc surface with the contact-making surface of the hole D of described porous screen, and the width in this cross section is corresponding with the aperture.In the present embodiment, the described free post 9,6 that disappears is cylinder, and the diameter of this cylinder is identical with the aperture of the porous screen of corresponding internal layer.The aperture of every layer of porous screen is inconsistent, and the aperture diminishes from inside to outside gradually, i.e. the aperture maximum of innermost layer porous screen 8, the aperture of second layer porous screen 7 secondly, the aperture minimum of the 3rd layer of porous screen 5; Correspondingly, the disappear diameter of free post 9 of ground floor is identical with the aperture of ground floor porous screen 8, and disappear the dissociate diameter of post 6 of the second layer is identical with the aperture of ground floor porous screen 7.
From Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 d, can see, arc separating wall 10 has installed the free post 9,6 that disappears, the described ground floor hole on the free post 9 positive alignment ground floor porous screens 8 that disappears, the described second layer hole on the free post 6 positive alignment second layer porous screens 7 that disappears, and the every layer of free post that disappears hides hole on the corresponding porous screen fully in the upright projection direction.From Fig. 3 a and Fig. 3 c two figure, also can find out two-layer disappear free post 6,9 one-tenth vertical direction settings simultaneously.
Though the diameter in the hole on the cylinder external diameter of the described free post that disappears and the porous screen is consistent, but it also leaves the slit at the arc surface place each other and communicates, just allow when the electric arc interruption takes place in the arc control device 2, ionized gas obtains effectively constraining and cooling behind porous screen.Like this electric current gas through two-layer or more multi-layered after, its direction and flow velocity are all by very big disturbance, energy is improved the effect of deionization by cooling, what particularly point out is that the porous screen nominal pore size dwindles and the setting of staggering of the hole of the porous screen of different layers gradually, and the pressure of having controlled arc control device well rises.
Fig. 5 has shown position A, the B of the arc separating wall 10 device porous screens 7,8 and the free post 6,9 that disappears, what Fig. 6 showed is the regular arrangement of hole D of pasting the porous screen 8 of arc-chute 11, its center, hole should just be aimed at arc separating wall 10 and place on the space between two arc extinguishing grid pieces 11, so that gas can very well pass through, otherwise the center in porous screen 7 holes then just is to aim at arc extinguishing grid pieces 10, be formed centrally mutually in the hole like this and staggered, the groove position A of the free post 6,9 that disappears of device is corresponding with it on the arc separating wall 10.
Stiffener 4 is thick many than porous screen as seen from Figure 2, and is connected as a single entity with screw and arc separating wall 10, and it can improve the mechanical strength of assembly to bear the pressure wave that cutting-off of short-circuit electric current causes.
So when operation, when the electric arc interruption took place in the arc control device 2, ionized gas successively alternately by the porous screen and the free post that disappears, was cooled off through mazy circuitous approach and reflection effectively.
Make outermost layer porous screen 5 and the free post the 6, the 9th that disappears, any heat conduction, corrosion resistant metal material, as stainless steel and nickel, all the other porous screens the 7, the 8th are made of heat-insulating material, can prevent that electric arc from forming eddy current on the element of filter course.
Shown in Figure 4 is that another embodiment of the present invention is closed the outside schematic diagram that discharges of electric arc that timesharing causes at circuit breaker.In this embodiment, described two layers of free post 9,6 that disappears be arranged in parallel, and all the other structures are identical with a last embodiment, and ionized gas successively alternately by the porous screen and the free post that disappears, through mazy circuitous approach and reflection, can be cooled off equally effectively.
What should be understood that is: the foregoing description is just to explanation of the present invention, rather than limitation of the present invention, and any innovation and creation that do not exceed in the connotation scope of the present invention all fall within protection scope of the present invention.
Claims (8)
1, the arc control device that have gas deionization device, comprise arc separating wall (10), the energy a plurality of arc extinguishing grid pieces of parallel device (11) in the described arc separating wall (10), it is characterized in that, near the outlet of described arc control device (2), be provided with two-layer porous screen (8,7,5) at least, the hole of being offered on the adjacent two layers porous screen setting of staggering is provided with many circles free post (9,6) that disappears between the adjacent two layers porous screen; The described free post that disappears place the hole that is adjacent the internal layer porous screen over against locating.
2, the arc control device that have gas deionization device as claimed in claim 1 is characterized in that outermost layer porous screen (5) makes with corrosion-resistant metal materials, and all the other each layer porous screens adopt heat-insulating materials to make.
3, the arc control device that have gas deionization device as claimed in claim 1, the cross-sectional width of the free post that it is characterized in that disappearing is consistent with the aperture.
4, the arc control device that have gas deionization device as claimed in claim 3, the aperture that it is characterized in that multi-layer porous screen is inconsistent, and the aperture diminishes from inside to outside gradually.
5, the arc control device that have gas deionization device as claimed in claim 4 is characterized in that containing at least the two-layer free post that disappears, and that adjacent two layers free post that disappears is vertically disposed mutually.
6, the arc control device that have gas deionization device as claimed in claim 4 is characterized in that the free post of disappearing of each layer is parallel to each other.
7,, it is characterized in that the described free post that disappears just aims on the space at center, hole of adjacent porous screen as any one described arc control device that have gas deionization device of claim 1～6.
8, the arc control device that have gas deionization device as claimed in claim 7 is characterized in that arc control device outlet top also has porous plate or stiffener (4), and it is placed in the porous screen outside to improve the mechanical performance of resistance to compression Reeb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100057735A CN1312711C (en) | 2004-02-20 | 2004-02-20 | Arc suppressing room with gas deionization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100057735A CN1312711C (en) | 2004-02-20 | 2004-02-20 | Arc suppressing room with gas deionization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1649054A CN1649054A (en) | 2005-08-03 |
| CN1312711C true CN1312711C (en) | 2007-04-25 |
Family
ID=34867671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100057735A Expired - Lifetime CN1312711C (en) | 2004-02-20 | 2004-02-20 | Arc suppressing room with gas deionization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1312711C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3637568A4 (en) * | 2017-06-06 | 2020-05-13 | Mitsubishi Electric Corporation | Housing of electrical equipment |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908442A (en) * | 2010-08-05 | 2010-12-08 | 无锡新宏泰电器科技股份有限公司 | Novel breaker arc extinguishing structure |
| CN102005347A (en) * | 2010-12-01 | 2011-04-06 | 沈阳斯沃电器有限公司 | Double breaking point breaker arc extinguishing system |
| CN102129924B (en) * | 2011-04-02 | 2013-01-02 | 常熟开关制造有限公司(原常熟开关厂） | Arc extinguish chamber structure of breaker |
| CN102129925B (en) * | 2011-04-02 | 2012-12-05 | 常熟开关制造有限公司(原常熟开关厂） | Arc-extinguishing chamber of circuit breaker with free-eliminating device |
| CN103021706B (en) * | 2012-12-28 | 2015-06-17 | 常熟开关制造有限公司(原常熟开关厂） | Electric switch device with electric arc isolating sleeve |
| CN104392858A (en) * | 2014-11-28 | 2015-03-04 | 德力西电气有限公司 | Arc extinguish chamber deionization device and circuit breaker arc extinguish chamber with same |
| CN105405707B (en) * | 2015-12-03 | 2018-04-03 | 上海天灵开关厂有限公司 | Gas insulated load switch and its arc-control device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997746A (en) * | 1974-04-23 | 1976-12-14 | Airpax Electronics, Incorporated | Circuit breaker with arc chamber screen |
| CN1169581A (en) * | 1996-06-28 | 1998-01-07 | 施耐德电器公司 | Device for deionizing gases and arc extinguishing chamber equipped with this device |
| EP0903826A1 (en) * | 1997-07-22 | 1999-03-24 | Abb Research Ltd. | Fire extinguishing device, especially for medium voltage switchboards |
-
2004
- 2004-02-20 CN CNB2004100057735A patent/CN1312711C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997746A (en) * | 1974-04-23 | 1976-12-14 | Airpax Electronics, Incorporated | Circuit breaker with arc chamber screen |
| CN1169581A (en) * | 1996-06-28 | 1998-01-07 | 施耐德电器公司 | Device for deionizing gases and arc extinguishing chamber equipped with this device |
| EP0903826A1 (en) * | 1997-07-22 | 1999-03-24 | Abb Research Ltd. | Fire extinguishing device, especially for medium voltage switchboards |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3637568A4 (en) * | 2017-06-06 | 2020-05-13 | Mitsubishi Electric Corporation | Housing of electrical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1649054A (en) | 2005-08-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20050803 Assignee: Wenzhou Zhengtai Electrical Technology Co.,Ltd. Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of invention: Arc extinguishing chamber with gas deionization device Granted publication date: 20070425 License type: Common License Record date: 20201021 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070425 |