CN106229238A - The device without arcing of moulded case circuit breaker - Google Patents
The device without arcing of moulded case circuit breaker Download PDFInfo
- Publication number
- CN106229238A CN106229238A CN201610700275.5A CN201610700275A CN106229238A CN 106229238 A CN106229238 A CN 106229238A CN 201610700275 A CN201610700275 A CN 201610700275A CN 106229238 A CN106229238 A CN 106229238A
- Authority
- CN
- China
- Prior art keywords
- arc extinguishing
- arcing
- circuit breaker
- case
- case circuit
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to the device without arcing of a kind of moulded case circuit breaker.It includes the housing of moulded case circuit breaker, secondary housing has three for installing the cavity groove without arcing device, in three cavity groove, be respectively arranged with one respectively without arcing device；Have in each cavity groove one with let out, on moulded case circuit breaker, the rectangular aperture that nock is docked；Device without arcing includes case, the flash barrier being fixedly mounted in case, multilamellar arc extinguishing net, arc extinguishing post installation frame and many arc extinguishing posts in the frame；Also have an annulus on this external case, annulus has a buckle；Yet another can match with the buckle on annulus the upper cover with draw-in groove being installed together.Present invention practicality convenient to assemble and disassemble, it is not necessary to be modified moulded case circuit breaker using, decrease the installation steps of user, saved the set-up time, time saving and energy saving, can use for the chopper of different manufacturers.
Description
Technical field
The invention belongs to a kind of moulded case circuit breaker, particularly relate to a kind of moulded case circuit breaker without arcing
Device.
Background technology
Along with the continuous progress of power supply grid technology, system circuit design capacity is more and more higher, it is desirable to existing open circuit body
The most integrated long-pending and miniaturization, short-circuit current breaking capacity improves constantly, and the most inevitably causes chopper
When carrying out more than 50kA short-circuit current disjunction, whole short circuit breakings can not be produced by original circuit breaker internal arc quenching system
Raw electric arc and high temperature free gas all eliminate, and understand some charged particle and free gas is ejected chopper itself
Arc quenching system；And voltage switchgear be ensure chopper be short-circuited disjunction time ejection charged particle and free gas will not make
Circuit breaker electric source is become to be short-circuited or cause mains side that switch cubicle second short circuit, switch cubicle must be reserved enough safety
Distance, causes the unnecessary waste of switch cubicle, leans on to miniaturization, tight type with integrated system volume, meanwhile, and currently the majority
When device without arcing is installed on-board the circuit breaker, need to open case for circuit breaker, but in order to ensure that chopper can normally use
Do not allow user oneself to open case for circuit breaker, therefore want to install additional after order or in use change or dismantle without arcing
It is accomplished by user during device switch is pulled down depot repair or is sent specialty personnel after sale to keep in repair, thus by manufacturer
Cause the waste on huge personnel and freight charges.Also there is a need to due to inventory problem when producing change a social system short arcing chopper
For without arcing chopper, restructuring process can cause the lifting of production cost.Therefore a kind of nothing that can be easily installed dismounting it is badly in need of
Arcing device, can be installed in the case of being not switched on case for circuit breaker voluntarily by client, it is to avoid owing to peace is torn open or changes chopper
The various wastings of resources that device without arcing causes, it is possible to the most only lay in short arcing chopper, by this be easy to pacify tear open
Device without arcing is installed voluntarily by client in being placed on packing crates as part, reduces stock group, it is simple to manage and reduce life
Produce cost.
Summary of the invention
The present invention solves technical problem present in known technology and a kind of cabinet being easily installed dismounting is provided
The device without arcing of formula chopper.
The present invention solves that technical problem is adopted the technical scheme that present in known technology: the present invention solves public affairs
Know that technical problem is adopted the technical scheme that present in technology: it includes the housing of moulded case circuit breaker, described
Have on the housing of moulded case circuit breaker three for installing the cavity groove without arcing device, in described three installations without flying
One it is respectively arranged with respectively without arcing device in the cavity groove of arc device；Have in the cavity groove of described each device without arcing one with
The rectangular aperture letting out the docking of nock side on described moulded case circuit breaker, described device without arcing includes case, consolidates
Dingan County is contained in the flash barrier in described case, multilamellar arc extinguishing net, arc extinguishing post installation frame, is fixedly mounted on the installation of described arc extinguishing post
Many arc extinguishing posts in framework；There is an institute with multiple holes side contrary with described rectangular aperture in described case
The flash barrier stated, also a described multilamellar arc extinguishing net orthogonal and adjacent with described flash barrier and described many
Described in the described arc extinguishing framework arranged between layer arc extinguishing net and described rectangular aperture and the installation in described arc extinguishing framework
Many arc extinguishing posts；Also it is fixed with one vertically sets with on the described orthogonal outer surface of arc extinguishing post on this external described case
The annulus put, has the vertical buckle of with described case in the opposite side that described annulus connects；Can in addition with one
, size Matching installation upper cover with draw-in groove together corresponding with the described buckle on described case annulus.
The present invention can also adopt the following technical scheme that
The number of plies of described multilamellar arc extinguishing net is 20-25 layer.
The number of described many arc extinguishing posts is 14-20 root.
The present invention has the advantage that with good effect: owing to utilizing crust of the device to manufacture for the arcing of ejection chopper
One relatively independent arc passage, and add special multilamellar arc extinguishing net in the channel, enhance chopper attraction electric arc,
The ability of arc extinguishing is that chopper the arc extinguishing efficiency under higher pitch capability can provide guarantee, finally by the flash barrier of multilamellar
And free gas is successively absorbed and lowers the temperature by the through hole on plate, finally discharge the hot-air of low conductivity, do not result in alternate etc.
Short circuit, more will not ignite, and meanwhile, beneficially peace is torn open, convenient and practical, it is not necessary to be modified moulded case circuit breaker making
With, decrease the installation steps of user, saved the set-up time, time saving and energy saving, can use for the chopper of different manufacturers.
Accompanying drawing explanation
Fig. 1 is assembly of the invention structural representation in moulded case circuit breaker；
Fig. 2 is the structural representation of apparatus of the present invention；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is the structural representation of upper cover of the present invention；
Fig. 5 is that the arc extinguishing post of the present invention is arranged on the structural representation in arc extinguishing post installation frame；
Fig. 6 is the flash barrier structural representation of the present invention.
Detailed description of the invention
For present disclosure, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing detailed
It is described as follows:
As shown in Fig. 1,2,3,4,5,6: have three for installing the sky without arcing device at moulded case circuit breaker (1)
Chamber groove (2) and rectangular aperture (5) thereof, be equipped with in each cavity groove (2) and be easy to pacify the device without arcing (3) torn open；Fill without arcing
Putting (3) is to include with letting out the case (4), solid that nock docks the rectangular aperture (5) of side with moulded case circuit breaker (1)
Flash barrier (6), multilamellar arc extinguishing net (7), arc extinguishing post installation frame (8) that Dingan County is contained in case (4), it is fixedly mounted on arc extinguishing peace
Frame up many arc extinguishing posts (9) on frame (8) and An Chai mechanism.Side contrary with rectangular aperture (5) in case (4) has one
With the flash barrier (6) of multiple equally distributed arc holes (14), also one orthogonal with flash barrier (6) and adjacent set
20 layers of arc extinguishing net (7) putting and the arc extinguishing framework (8) arranged between 20 layers of arc extinguishing net (7) and rectangular aperture (5) and going out
14 arc extinguishing posts (9) of the installation in arc frame (8)；An Chai mechanism includes the circle being fixedly mounted on case (4) outer surface
Ring (10) and upper cover (13)；Annulus (10) end has vertical buckle (11), upper cover (13) has draw-in groove (12)；Draw-in groove
(12), size corresponding with the position of vertical buckle (11) matches, and can be fixed together by mutually buckle each other；
The number of plies of arc extinguishing net (7) is alternatively 23,25 layers；The number of arc extinguishing post (9) can also be 17 or 20.
The present invention utilizes the arcing that crust of the device is ejection chopper to manufacture a relatively independent arc passage, and logical
Adding special multilamellar arc extinguishing net in road, attract electric arc, the ability of arc extinguishing that enhance chopper are that chopper can be higher
Pitch capability under arc extinguishing efficiency provide guarantee, successively by the through hole on the flash barrier of porous and plate to free gas finally
Absorb and lower the temperature, finally discharging the hot-air of low conductivity, not resulting in alternate short circuit such as grade, more will not ignite, meanwhile, be beneficial to peace
Tear open, convenient and practical, it is not necessary to be modified moulded case circuit breaker using, decrease the installation steps of user,
Save the set-up time, time saving and energy saving, can use for the chopper of different manufacturers.
In the present embodiment, this device is directly installed on chopper end of incoming cables and fixes with chopper, the electricity of its chopper
Arc channel outlet fits tightly with this device, and directly contacts with the arc extinguishing post in device；When chopper occurs big short circuit current
During fault disjunction, arc extinguishing post has carried out arc extinguishing to the electric arc in contact breaking course, after remaining electric arc ejection breaker body,
Being directly entered arc extinguishing net and flash barrier, the electric arc that blocks of the electric arc secondary not being completely eliminated by chopper slackens electric arc arc further
Pressure, lowers the temperature and adsorbs charged particle, the passage that after carrying out secondary arc extinguishing, its surplus air-flow is formed by the enclosure structure of device
That forces air-flow carries out path, reduces stream pressure further, finally discharges the hot-air of low conductivity, does not results in alternate etc.
Short circuit, more will not ignite insulator or react with other medium, meanwhile, the cabinet formula open circuit that will assemble during installation
Device inserts in the mounting opening of moulded case circuit breaker without arcing device, then has one end of buckle to buckle upper cover profit at annulus
Reach fixing purpose with the card slot fit of the vertical buckle of case Yu upper cover, dismantle with little straight screwdriver opening by upper cover
Case is stirred in hole makes upper cover release.
Technique scheme only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
Some variations may made some of which part all embody the principle of the present invention, belong to protection scope of the present invention it
In.
Claims (3)
1. the device without arcing of a moulded case circuit breaker, it includes the housing of moulded case circuit breaker, moulds described
Have on the housing of material casing type circuit breaker three for installing the cavity groove without arcing device, install without arcing at described three
One it is respectively arranged with respectively without arcing device in the cavity groove of device；One and institute is had in the cavity groove of described each device without arcing
State the rectangular aperture letting out the docking of nock side on moulded case circuit breaker, it is characterized in that: described device without arcing includes
Case, the flash barrier being fixedly mounted in described case, multilamellar arc extinguishing net, arc extinguishing post installation frame, be fixedly mounted on described in go out
Many arc extinguishing posts in arc column installation frame；Side contrary with described rectangular aperture in described case has one with many
The described flash barrier in individual hole, also a described multilamellar arc extinguishing net orthogonal and adjacent with described flash barrier and
Arc extinguishing framework described in arranging between described multilamellar arc extinguishing net and described rectangular aperture and the peace in described arc extinguishing framework
The many described arc extinguishing posts of dress；One also it is fixed with on the described orthogonal outer surface of arc extinguishing post on this external described case
The individual annulus being vertically arranged, has the vertical buckle of with described case in the opposite side that described annulus connects；Additionally
Have one can, size Matching installation upper cover with draw-in groove together corresponding with the described buckle on described case annulus.
The device without arcing of moulded case circuit breaker the most according to claim 1, it is characterised in that: described multilamellar arc extinguishing
The number of plies of net is 20-25 layer.
The device without arcing of moulded case circuit breaker the most according to claim 1 and 2, it is characterised in that: described many
The number of arc extinguishing post is 14-20 root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700275.5A CN106229238A (en) | 2016-08-19 | 2016-08-19 | The device without arcing of moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610700275.5A CN106229238A (en) | 2016-08-19 | 2016-08-19 | The device without arcing of moulded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106229238A true CN106229238A (en) | 2016-12-14 |
Family
ID=57553566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610700275.5A Pending CN106229238A (en) | 2016-08-19 | 2016-08-19 | The device without arcing of moulded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229238A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104027A (en) * | 2017-05-08 | 2017-08-29 | 天津市百利电气有限公司 | The external hanging type of low-voltage moulded case circuit breaker disappears free arc-control device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201532915U (en) * | 2009-10-23 | 2010-07-21 | 江苏辉能电气有限公司 | Arc extinguish chamber used for low-voltage circuit breaker |
| CN102129925A (en) * | 2011-04-02 | 2011-07-20 | 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 |
| CN202796810U (en) * | 2012-10-18 | 2013-03-13 | 浙江天正电气股份有限公司 | Moulded case circuit breaker arc extinguishing system convenient for assembly and disassembly |
| CN203277278U (en) * | 2013-05-31 | 2013-11-06 | 浙江天正电气股份有限公司 | Arc-extinguishing chamber |
| CN204271022U (en) * | 2014-12-25 | 2015-04-15 | 常熟开关制造有限公司(原常熟开关厂） | A kind of arc-control device of low-voltage circuit breaker |
| 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 |
| CN205984865U (en) * | 2016-08-19 | 2017-02-22 | 天津市百利电气有限公司 | Moulded case circuit -breaker convenient to ann tears no arcing device open |
-
2016
- 2016-08-19 CN CN201610700275.5A patent/CN106229238A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201532915U (en) * | 2009-10-23 | 2010-07-21 | 江苏辉能电气有限公司 | Arc extinguish chamber used for low-voltage circuit breaker |
| CN102129925A (en) * | 2011-04-02 | 2011-07-20 | 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 |
| CN202796810U (en) * | 2012-10-18 | 2013-03-13 | 浙江天正电气股份有限公司 | Moulded case circuit breaker arc extinguishing system convenient for assembly and disassembly |
| CN203277278U (en) * | 2013-05-31 | 2013-11-06 | 浙江天正电气股份有限公司 | Arc-extinguishing chamber |
| CN204271022U (en) * | 2014-12-25 | 2015-04-15 | 常熟开关制造有限公司(原常熟开关厂） | A kind of arc-control device of low-voltage circuit breaker |
| 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 |
| CN205984865U (en) * | 2016-08-19 | 2017-02-22 | 天津市百利电气有限公司 | Moulded case circuit -breaker convenient to ann tears no arcing device open |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104027A (en) * | 2017-05-08 | 2017-08-29 | 天津市百利电气有限公司 | The external hanging type of low-voltage moulded case circuit breaker disappears free arc-control device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161214 |