CN205159255U - Shell type circuit breaker free arc control device that disappears is moulded to no arcing - Google Patents
Shell type circuit breaker free arc control device that disappears is moulded to no arcing Download PDFInfo
- Publication number
- CN205159255U CN205159255U CN201520904965.3U CN201520904965U CN205159255U CN 205159255 U CN205159255 U CN 205159255U CN 201520904965 U CN201520904965 U CN 201520904965U CN 205159255 U CN205159255 U CN 205159255U
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- CN
- China
- Prior art keywords
- arc extinguishing
- arc
- circuit breaker
- inverted
- glass fibre
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- 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.)
- Withdrawn - After Issue
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a shell type circuit breaker free arc control device that disappears is moulded to no arcing. It include an one end and low -voltage circuit breaker shell inlet wire side spout the arc or let out nock abutting joint and fixed the device's shell, have a plurality ofly stagger, multi -disc arc extinguishing grid tray, the both ends in evenly distributed's arc extinguishing hole have a plurality of arc extinguishing posts of boss and be the type of falling L each other the mirror to two glass fiber fabric swatchs of symmetry, arc extinguishing post, arc extinguishing grid tray are inserted and are inlayed the riveting on two glass fiber fabric swatchs, constitute the free arc control device part that disappears, fix this part in the shell of device. The utility model discloses an independent installation does not influence circuit breaker itself, can dismantle the inside state that disappears free arc extinguishing piece of observing at any time to change the inside free arc extinguishing piece that disappears according to the state, convenient and fast can be according to this device of the corresponding number of circuit breaker number of poles installation, has made a relatively independent arc extinguishing passageway for the arcing of the circuit breaker of spouting, can provide the assurance in the arc extinguishing efficiency under the higher segmentation ability for the circuit breaker.
Description
Technical field
The utility model belongs to a kind of low-voltage circuit breaker, particularly relates to a kind ofly arbitrarily to remove disappearing free arc-control device without arcing mold cased circuit breaker of installation.
Background technology
Along with the continuous progress of power supply grid technology, system circuit design capacity is more and more higher, require that existing circuit breaker volume is constantly integrated and miniaturized, short-circuit current breaking capacity improves constantly, generally inevitably cause circuit breaker when carrying out the disjunction of more than 50kA short-circuit current, the electric arc that whole short circuit breaking can not produce by original circuit breaker internal arc quenching system and high temperature free gas (arc flame) are all eliminated, and understand the arc quenching system that some charged particle and free gas (arcing) are ejected circuit breaker itself; And voltage switchgear be ensure circuit breaker be short-circuited disjunction time the charged particle that sprays and free gas can not cause circuit breaker electric source to be short-circuited or cause mains side to switch cubicle second short circuit, switch cubicle must reserve enough safe distances, cause the unnecessary waste of switch cubicle, with integrated system volume to miniaturization, tight type is drawn close and is deviated from mutually, and produces the wasting of resources of cabinet metal material and economic loss; And in closed cabinet body or stuffy obstructed environment, its charged particle and free gas likely cause insulated electric conductor member combusts, produce a large amount of toxic gas or cause the sharply reaction of the chemical composition in air to cause serious accident, cause economy and personal casualty loss.
Summary of the invention
The utility model for solve in known technology the technical problem that exists and provide a kind of strengthen circuit breaker attraction electric arc, the disappearing free arc-control device without arcing mold cased circuit breaker of arc extinguishing ability.
The utility model for the technical scheme solving in known technology the technical problem that exists and take is: it include an one end can with the spray arc of low-voltage circuit breaker shell inlet wire side or let out nock closed butt joint and the shell of fixing described device, with multiplely staggering, the multi-disc arc extinguishing screen of equally distributed interrupter, two ends with multiple arc extinguishing post of boss and in inverted L shape two glass fibre fabric swatch of mirror symmetry each other, described shell is to have in the arc extinguishing channel space of the font of falling L and it with the spray arc of low-voltage circuit breaker shell inlet wire side or can let out nock closed butt joint and fixing one end be its vertical mouth one end of the described font of falling L arc extinguishing passage, the font of the falling L arc extinguishing passage other end described in it be described in the font of falling L arc extinguishing passage Horizontal Exit one end be the port of export of the shell of described device, described every sheet be two glass fibre fabric swatch of inverted L shape the font of falling L vertical side plate face on have respectively and the multiple of described arc extinguishing post number same number and the arc extinguishing post holes boss of one end on described arc extinguishing post can inserted build-in and connect together, the arc-chute plate hole that build-in connects together is inserted also there being multiple platform that protrudes for a pair with the two ends of described arc extinguishing screen being carried described in every sheet respectively in the horizontal side of two glass fibre fabric swatch of inverted L shape with on the plate face of vertical side, described every sheet be inverted L shape two glass fibre fabric swatch on be used for hole that slotting build-in is used in conjunction described arc extinguishing post be double vertically stagger evenly distributed, the arrangement mode of the described arc-chute plate hole of described two glass fibre fabric swatch in inverted L shape is, multipair described arc-chute plate hole on horizontal side plate face described in it is for be vertically uniformly distributed arrangement each other, but several on two the glass fibre fabric swatch near described every sheet be inverted L shape near the turning that is connected with horizontal side of described vertical side to described arc-chute plate hole be in lower closely on far away to be fan-shapedly uniformly distributed, and at described every sheet be inverted L shape two glass fibre fabric swatch on the position of 1-2 to described arc-chute plate hole on a described vertical side panel be vertically arrangement and be used for slotting build-in the row be adjacent to connect between described arc extinguishing post holes for interval is arranged in parallel uniformly, at described every sheet be inverted L shape two glass fibre fabric swatch between, the two ends of described multiple arc extinguishing posts to be inserted respectively in the described arc extinguishing post holes on glass fibre fabric swatch that build-in is connected in described in two and by the two ends of the arc extinguishing screen in arc extinguishing screen described in multi-disc described in each with protrusion platform also insert in the described arc-chute plate hole on glass fibre fabric swatch that build-in is connected in described in two, finally just can install matchingly be affixed to described arc extinguishing post, arc extinguishing grid pieces and two glass fibre fabric swatch in inverted L shape mirror symmetry each other being inserted inverted L shape parts that build-in connects together in the shell in device described in inverted L shape arc extinguishing channel space described in having.
The advantage that the utility model has and good effect are: first the present invention installs for independent, do not affect circuit breaker itself, the state of observing the inner free arc quenching plate that disappears can be dismantled at any time, and change inside according to state and to disappear free arc quenching plate, convenient and swift, according to circuit breaker number of poles, this device of corresponding number can be installed, can general two poles, three poles, four-pole circuit breaker product, possess modularization feature; Secondly the present invention utilizes crust of the device, arcing for ejection circuit breaker has manufactured a relatively independent arc passage, and add a special arc extinguishing hurdle in the channel, enhance the attraction electric arc of circuit breaker, the ability of arc extinguishing is that circuit breaker the arc extinguishing efficiency under higher pitch capability can provide guarantee; Finally successively being absorbed free gas by the copper through hole on muffler plate and plate of multilayer and lower the temperature, finally discharging the hot-air of low conductivity, can not cause alternate short circuit of Denging, more can not ignite insulator or react with other medium.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is the free arc-control device modular construction schematic diagram that disappears;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is copper arc-chute plate structure schematic diagram;
Fig. 5 is crust of the device structural representation of the present utility model.。
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As shown in Fig. 1,2,3,4,5, an arc extinguishing channel space had in the font of falling L, nock closed butt joint with the spray arc of low-voltage circuit breaker shell inlet wire side or can be let out and the shell 2 of stationary device in one end, in shell 2, be installed with the free arc-control device parts 1 that disappear by the snap fit 8 on shell 2.Arc extinguishing post 4 and the copper arc extinguishing screen 5 every extinguishing arc to be inserted in the circular arc extinguishing post holes of correspondence on embedding two the glass fibre fabric swatch 3 being riveted on the mirror symmetry each other in inverted L shape and the arc-chute plate hole of a pair square shaped with the protrusion platform of a pair respectively with the round platform at 9 arc extinguishing post 4 two ends and 7 two ends, composition disappears free arc-control device parts 1.The hole of 9 arc extinguishing posts on each glass fibre fabric swatch 3 is divided into two rows vertically to arrange, and evenly distributed for self staggering between two row's arc extinguishing post holes.Be used in 7 pairs of holes of slotting embedding riveted joint 7 arc extinguishing screens 5, the side, level board face on glass fibre fabric swatch 3 is vertical to be parallel to each otherly spaced uniformly near 3 pairs of holes of plate end; And other 3 pairs of holes 10 near the turning that the level board face on the glass fibre fabric swatch 3 is connected with vertical panel face its be spaced apart up big and down small to be fan-shaped being uniformly distributed, to be also evenly distributed relative to each other between these two 3 pairs of holes above-mentioned; Vertical panel face in addition on glass fibre fabric swatch 3 also have the 1 couple of Kong Ze almost parallelly between the hole of arc extinguishing post 4 be spaced uniform arrangement.On each glass fibre fabric swatch 3, respectively there is a stepped platform 6 for being caught on by the snap fit 8 on shell 2 front end, below each glass fibre fabric swatch 3, also have a card convex protruded 7 close to end, be also for being blocked use by the snap fit 8 on shell 2.
The wherein quantity of arc extinguishing post 4 and arc extinguishing screen 5, also can according to actual needs respectively: 12 arc extinguishing posts, 4,9 arc extinguishing screens 5; Or 7 arc extinguishing posts 4 and 5 arc extinguishing screens 5 etc.
The shell 2 with the arc extinguishing channel space in the font of falling L can be its vertical mouth one end of the font of falling L arc extinguishing passage with the spray arc of low-voltage circuit breaker shell inlet wire side or the one end of letting out nock closed butt joint also fixing, and the side of arc extinguishing post 4 is housed after namely loading the free arc-control device parts 1 that disappear; Shell 2 font of the falling L arc extinguishing passage other end i.e. font of falling L arc extinguishing passage Horizontal Exit one end is the port of export of shell 2, the free arc-control device parts 1 that namely disappear has one end of arc extinguishing screen 5.
This device is directly installed on circuit breaker end of incoming cables and circuit breaker is fixed, and the arc channel outlet of its circuit breaker fits tightly with this device, and directly contacts with the arc extinguishing hurdle in device, when the short trouble disjunction of circuit breaker generation big current, the arc extinguishing grid pieces itself carried has carried out arc extinguishing to the electric arc in contact breaking course, after remaining electric arc ejection breaker body, directly enter the free arc extinguishing grid pieces arc extinguishing hurdle that disappears be made up of arc extinguishing post and arc extinguishing screen of this patent, the electric arc that blocks of the electric arc secondary do not eliminated completely by circuit breaker slackens electric arc arc voltage further, cooling and absorption charged particle, the passage forced draft that after carrying out secondary arc extinguishing, its surplus air-flow is formed by the enclosure structure of device carries out passing through path, stream pressure is reduced through one, finally by the copper through hole on muffler plate and plate of multilayer free gas successively absorbed and lower the temperature, finally discharge the hot-air of low conductivity, alternate short circuit of Denging can not be caused, more can not ignite insulator or react with other medium.
Claims (1)
1. to disappear a free arc-control device without arcing mold cased circuit breaker, it is characterized in that: it include an one end can with the spray arc of low-voltage circuit breaker shell inlet wire side or let out nock closed butt joint and the shell of fixing described device, with multiplely staggering, the multi-disc arc extinguishing screen of equally distributed interrupter, two ends with multiple arc extinguishing post of boss and in inverted L shape two glass fibre fabric swatch of mirror symmetry each other, described shell is to have in the arc extinguishing channel space of the font of falling L and it with the spray arc of low-voltage circuit breaker shell inlet wire side or can let out nock closed butt joint and fixing one end be its vertical mouth one end of the described font of falling L arc extinguishing passage, the font of the falling L arc extinguishing passage other end described in it be described in the font of falling L arc extinguishing passage Horizontal Exit one end be the port of export of the shell of described device, described every sheet be two glass fibre fabric swatch of inverted L shape the font of falling L vertical side plate face on have respectively and the multiple of described arc extinguishing post number same number and the arc extinguishing post holes boss of one end on described arc extinguishing post can inserted build-in and connect together, the arc-chute plate hole that build-in connects together is inserted also there being multiple platform that protrudes for a pair with the two ends of described arc extinguishing screen being carried described in every sheet respectively in the horizontal side of two glass fibre fabric swatch of inverted L shape with on the plate face of vertical side, described every sheet be inverted L shape two glass fibre fabric swatch on be used for hole that slotting build-in is used in conjunction described arc extinguishing post be double vertically stagger evenly distributed, the arrangement mode of the described arc-chute plate hole of described two glass fibre fabric swatch in inverted L shape is, multipair described arc-chute plate hole on horizontal side plate face described in it is for be vertically uniformly distributed arrangement each other, but several on two the glass fibre fabric swatch near described every sheet be inverted L shape near the turning that is connected with horizontal side of described vertical side to described arc-chute plate hole be in lower closely on far away to be fan-shapedly uniformly distributed, and at described every sheet be inverted L shape two glass fibre fabric swatch on the position of 1-2 to described arc-chute plate hole on a described vertical side panel be vertically arrangement and be used for slotting build-in the row be adjacent to connect between described arc extinguishing post holes for interval is arranged in parallel uniformly, at described every sheet be inverted L shape two glass fibre fabric swatch between, the two ends of described multiple arc extinguishing posts to be inserted respectively in the described arc extinguishing post holes on glass fibre fabric swatch that build-in is connected in described in two and by the two ends of the arc extinguishing screen in arc extinguishing screen described in multi-disc described in each with protrusion platform also insert in the described arc-chute plate hole on glass fibre fabric swatch that build-in is connected in described in two, finally just can install matchingly be affixed to described arc extinguishing post, arc extinguishing grid pieces and two glass fibre fabric swatch in inverted L shape mirror symmetry each other being inserted inverted L shape parts that build-in connects together in the shell in device described in inverted L shape arc extinguishing channel space described in having.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904965.3U CN205159255U (en) | 2015-11-12 | 2015-11-12 | Shell type circuit breaker free arc control device that disappears is moulded to no arcing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520904965.3U CN205159255U (en) | 2015-11-12 | 2015-11-12 | Shell type circuit breaker free arc control device that disappears is moulded to no arcing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159255U true CN205159255U (en) | 2016-04-13 |
Family
ID=55694919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520904965.3U Withdrawn - After Issue CN205159255U (en) | 2015-11-12 | 2015-11-12 | Shell type circuit breaker free arc control device that disappears is moulded to no arcing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374648A (en) * | 2015-11-12 | 2016-03-02 | 天津市百利电气有限公司 | Deionization and arc-extinguishing device for low-voltage circuit breaker |
| CN111048370A (en) * | 2019-12-28 | 2020-04-21 | 常熟市通润开关厂有限公司 | High-segmentation arc extinguish chamber for circuit breaker |
-
2015
- 2015-11-12 CN CN201520904965.3U patent/CN205159255U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374648A (en) * | 2015-11-12 | 2016-03-02 | 天津市百利电气有限公司 | Deionization and arc-extinguishing device for low-voltage circuit breaker |
| CN111048370A (en) * | 2019-12-28 | 2020-04-21 | 常熟市通润开关厂有限公司 | High-segmentation arc extinguish chamber for circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20170728 |