CN107833811B - A kind of moulded case circuit breaker - Google Patents
A kind of moulded case circuit breaker Download PDFInfo
- Publication number
- CN107833811B CN107833811B CN201711246270.0A CN201711246270A CN107833811B CN 107833811 B CN107833811 B CN 107833811B CN 201711246270 A CN201711246270 A CN 201711246270A CN 107833811 B CN107833811 B CN 107833811B
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- Prior art keywords
- arc
- circuit breaker
- case circuit
- moulded case
- square
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- 108090000565 Capsid Proteins Proteins 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 230000000171 quenching effect Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 238000010891 electric arc Methods 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002459 sustained effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of moulded case circuit breakers, including moulded case circuit breaker ontology, the front side wall upper end of the moulded case circuit breaker ontology is uniformly provided with arc extinguishing fixing groove, it goes out and arc-extinguish chamber and arc-chute collective effect is set, enhance arc quenching effect, the fixation of screw and fixation hole arc-control device and moulded case circuit breaker ontology, it is easy to operate, without returning factory or professional after-sales staff maintenance, save man power and material, it can be used for square three-way groove ventilation and heat in dry environments, in wet condition, need sealing square through slot, it absorbs water using moist-proof board moisture-proof, sliding support slides into topmost, the upper wall of sliding support and the upper wall of square three-way groove fit closely, realize sealing, clamping bar is connected in the upper surface of fixture block, rotating bar is just all bonded with sliding support with the upper surface of clamping bar, for fixed sliding branch The position of frame enhances sealing effect, and sliding support can rotate, and is conveniently replaceable moist-proof board.
Description
Technical field
The present invention relates to technical field of electrical equipment, specific field is a kind of moulded case circuit breaker.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is divided into high-voltage circuitbreaker by its use scope
And low-voltage circuit breaker, high-low pressure identification of boundaries is relatively fuzzyyer, and 3kv or more is generally known as High-Voltage Electrical Appliances.Plastic casing type is disconnected
Road device is generally used as distribution, can also be used as protection motor and is used.Currently, the original internal arc quenching system of breaker cannot will be complete
The electric arc and high temperature free gas that portion's short circuit breaking generates all are eliminated, and understand some charged particle and free gas is ejected
The arc quenching system of breaker itself, existing major part without arcing device install when need to open case for circuit breaker, install additional or
It needs to return factory or professional after-sales staff maintenance when replacement, causes the waste on personnel and freight charges.Moulded case circuit breaker is answered at present
When used in moist occasion, it will lead to electrical component and be quickly invalidated, the service life is caused to shorten.In view of the above drawbacks, we provide one kind
Moulded case circuit breaker.
Summary of the invention
The purpose of the present invention is to provide a kind of moulded case circuit breakers, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of moulded case circuit breaker, including outside plastics
Shell type breaker ontology, the front side wall upper end of the moulded case circuit breaker ontology is uniformly provided with arc extinguishing fixing groove, described to go out
The inside of arc fixing groove is fixed with arc-control device, and the arc-control device includes front shoe, and the rear side of the front shoe is equipped with
Rear fixed plate is fixed with arc-extinguish chamber between the front side wall upper end-face edge of the rear fixed plate and the rear wall of front shoe, described
Arc-chute is uniformly provided between the front side wall lower end of rear fixed plate and the rear wall of front shoe, the arc-chute is located at arc-extinguish chamber
Lower end inside, the lower end of the front shoe is symmetrically arranged with fixation hole, solid before described through there is screw in the fixation hole
Fixed board screws fixation by the front side wall of screw moulded case circuit breaker ontology, the moulded case circuit breaker ontology it is outer
Shell includes procapsid and back casing, and the procapsid is fixedly connected with back casing, and side is equipped in the middle part of the left side wall of the back casing
Shape through slot, the lower end of the square three-way groove are equipped with square groove, and the width of the square three-way groove and square groove is equal, the side
The left and right sides wall of shape through slot and square groove is symmetrically arranged with sliding slot, and the cross sectional shape of the sliding slot is circle, two institutes in left and right
The inside for stating sliding slot slidably connects the sliding end of sliding sphere respectively, and the fixing end of the sliding sphere is separately fixed at sliding
In the middle part of the outer wall of the forward and backward side version of bracket, the sliding support is the half of front side board, back side panel, left plate and bottom plate composition
The right end of enclosed construction, the forward and backward side plate of the sliding support is contacted with the right side wall of square groove, the sliding support
Inside is equipped with moist-proof board, and the moist-proof board is made of water-absorbing resin, and fixture block, the card are equipped on rear side of the upper end of the square groove
The rear wall of block and the left side wall of moulded case circuit breaker ontology are hinged, are equipped with and fix on front side of the upper end of the square groove
Axis, the right end of the fixing axle are fixed on the left side wall of moulded case circuit breaker ontology, the left end rotation of the fixing axle
It is connected with the lower end of rotating bar, the upper surface of the rotating bar is symmetrically fixed with the lower end of spring, and the upper end of the spring is solid
It is scheduled on the lower surface of clamping bar, the rotating bar and clamping bar are located along the same line.
Preferably, the height of the sliding support and the height of square groove are equal.
Preferably, the upper inside walls of the square three-way groove are equipped with rubber weather strip.
Preferably, the height phase of the upper surface of the height and fixture block of lower surface when the rotating bar turns to horizontal position
Deng.
Preferably, after the upper end of clamping bar extends to the front side wall of fixture block when the rotating bar turns to horizontal position
Side.
Preferably, the right end of the bottom plate of the sliding support is fixedly connected with the left side wall lower end of fixed baffle.
Compared with prior art, the beneficial effects of the present invention are: a kind of moulded case circuit breaker, arc-extinguish chamber make electric arc with
Solid dielectric contact, reduces arc temperature, to accelerate the extinguishing of electric arc, electric arc is divided into several short arcs by arc-chute, makes electricity
Arc is unable to sustained combustion and extinguishes, and arc-extinguish chamber and arc-chute collective effect is arranged, and enhances arc quenching effect, screw and fixation hole arc extinguishing
The fixation of device and moulded case circuit breaker ontology, it is easy to operate, without returning factory or professional after-sales staff maintenance, save manpower
And material resources, it can be used for square three-way groove ventilation and heat in dry environments, in wet condition, need sealing square through slot, it can benefit
It being absorbed water with moist-proof board moisture-proof, sliding support slides into topmost, and the upper wall of sliding support and the upper wall of square three-way groove fit closely,
It realizes sealing, clamping bar is connected in the upper surface of fixture block, rotating bar and the upper surface for being clamped bar are just all pasted with sliding support
It closes, for fixing the position of sliding support, enhances sealing effect, sliding support can rotate, and be conveniently replaceable moist-proof board.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is arc-control device the schematic diagram of the section structure of the invention；
Fig. 3 is arc-control device left view structural representation of the invention；
Fig. 4 is moist-proof board the schematic diagram of the section structure of the invention；
Fig. 5 is sliding sphere the schematic diagram of the section structure of the invention.
In figure: 1- moulded case circuit breaker ontology, 2- arc extinguishing fixing groove, 31- front shoe, 32- rear fixed plate, 33-
Arc-extinguish chamber, 34- arc-chute, 35- fixation hole, 36- screw, 4- procapsid, 5- back casing, 6- square three-way groove, 7- square groove, 8-
Sliding slot, 9- slide sphere, 10- sliding support, 11- moist-proof board, 12- fixture block, 13- fixing axle, 14- rotating bar, 15- spring, 16-
It is clamped bar, 17- fixed baffle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of moulded case circuit breaker, including plastic shell
Formula breaker body 1, is generally used as distribution, can also be used as protection motor and is used, the moulded case circuit breaker ontology
Front side wall upper end is uniformly provided with arc extinguishing fixing groove 2, and for fixing arc-control device, the inside of the arc extinguishing fixing groove is fixed with arc extinguishing
Device helps arc extinction, and the arc-control device includes front shoe 31, and arc-control device is fixed on moulded case circuit breaker
On ontology, and cooperating fixed arc-extinguish chamber and arc-chute with rear fixed plate, the rear side of the front shoe is equipped with rear fixed plate 32, Gu
Determine the rear end of arc-extinguish chamber and arc-chute, it is fixed between the front side wall upper end-face edge of the rear fixed plate and the rear wall of front shoe
There is arc-extinguish chamber 33, contact electric arc with solid dielectric, reduces arc temperature, thus accelerate the extinguishing of electric arc, the rear fixed plate
Front side wall lower end and front shoe rear wall between be uniformly provided with arc-chute 34, electric arc is divided into several short arcs, makes electricity
Arc is unable to sustained combustion and extinguishes, and the arc-chute is located at the lower end inside of arc-extinguish chamber, and arc-extinguish chamber is arranged and arc-chute is made jointly
With enhancing arc quenching effect, the lower end of the front shoe is symmetrically arranged with fixation hole 35, and running through in the fixation hole has screw
36, screw is used cooperatively with fixation hole, for the fixation of arc-control device and moulded case circuit breaker ontology, the front shoe
Fixation, the shell packet of the moulded case circuit breaker ontology are screwed by the front side wall of screw moulded case circuit breaker ontology
Procapsid 4 and back casing 5 are included, the procapsid is fixedly connected with back casing, is equipped in the middle part of the left side wall of the back casing rectangular
Through slot 6 can be used for ventilation and heat in dry environments, fastens sliding support seal in wet condition, using moist-proof board
It absorbing water moisture-proof, the lower end of the square three-way groove is equipped with square groove 7, for placing sliding support, the square three-way groove and rectangular
The width of groove is equal, and the left and right sides wall of the square three-way groove and square groove is symmetrically arranged with sliding slot 8, the section of the sliding slot
Shape is circle, and the inside of two sliding slots in left and right slidably connects the sliding end of sliding sphere 9 respectively, and sliding sphere can be
Section is rotation in circular sliding slot, and the fixing end of the sliding sphere is separately fixed at the forward and backward side version of sliding support 10
In the middle part of outer wall, the sliding support is the semi-closed structure of front side board, back side panel, left plate and bottom plate composition, the sliding
The right end of the forward and backward side plate of bracket is contacted with the right side wall of square groove, and the inside of the sliding support is equipped with moist-proof board 11,
The moist-proof board is made of water-absorbing resin, for absorbing the moisture in moulded case circuit breaker under wet environment, makes outside plastics
Drying is kept in shell type breaker, is prolonged the service life, and fixture block 12 is equipped on rear side of the upper end of the square groove, the fixture block
The left side wall of rear wall and moulded case circuit breaker ontology is hinged, and fixture block is allow to control fold, the square groove it is upper
End front side is equipped with fixing axle 13, and the right end of the fixing axle is fixed on the left side wall of moulded case circuit breaker ontology, described
The left end of fixing axle is rotatably connected to the lower end of rotating bar 14, and the upper surface of the rotating bar is symmetrically fixed under spring 15
End, the upper end of the spring are each attached to the lower surface of clamping bar 16, and the rotating bar and clamping bar are located along the same line,
When needing sealing square through slot, sliding support is slid into topmost, and the upper wall of sliding support and the upper wall of square three-way groove closely paste
It closes, realizes sealing, fixture block is turned down to the left, rotate rotating bar, make to be clamped the upper end that bar turns to fixture block, turn down fixture block to the right,
It is bonded the right side wall of fixture block with the left side wall of back casing, clamping bar is placed in the upper surface of fixture block, rotating bar and clamping bar
It keeps horizontal, and upper surface is just all bonded with sliding support, for fixing the position of sliding support, enhances sealing effect.
Specifically, the height of the sliding support is equal with the height of square groove, in wet condition close is realized
Envelope.
Specifically, the upper inside walls of the square three-way groove are equipped with rubber weather strip, it is close with square three-way groove in sliding support
Feng Shi enhances sealing effect.
Specifically, when the rotating bar turns to horizontal position the upper surface of the height and fixture block of lower surface height phase
Deng making to be clamped bar and fixture block when overlapping, rotating bar and clamping bar keep horizontal.
Specifically, after the upper end for being clamped bar when the rotating bar turns to horizontal position extends to the front side wall of fixture block
Side be overlapped on clamping bar can on fixture block.
Specifically, the right end of the bottom plate of the sliding support is fixedly connected with the left side wall lower end of fixed baffle 17, Gu
Determine moist-proof board.
Working principle: the present invention provides a kind of moulded case circuit breaker, and arc-control device is fixed in arc extinguishing fixing groove,
Arc-extinguish chamber contacts electric arc with solid dielectric, reduces arc temperature, to accelerate the extinguishing of electric arc, electric arc is divided by arc-chute
Several short arcs, extinguish electric arc from sustained combustion, and arc-extinguish chamber and arc-chute collective effect is arranged, and enhance arc quenching effect, spiral shell
Nail is used cooperatively with fixation hole, easy to operate for the fixation of arc-control device and moulded case circuit breaker ontology, without returning factory
Or professional after-sales staff maintenance, it can be used for square three-way groove ventilation and heat in dry environments, in wet condition, need the side of sealing
Shape through slot absorbs water moisture-proof using moist-proof board, and sliding support slides into topmost, the upper wall of sliding support and square three-way groove it is upper
Wall fits closely, and realizes sealing, fixture block is turned down to the left, rotates rotating bar, makes to be clamped the upper end that bar turns to fixture block, turn over to the right
Roll over fixture block, be bonded the right side wall of fixture block with the left side wall of back casing, bar will be clamped and be placed in the upper surface of fixture block, rotating bar and
It is clamped bar and keeps horizontal, and upper surface is just all bonded with sliding support, for fixing the position of sliding support, enhancing sealing effect
Fruit, sliding sphere can be to rotate in circular sliding slot in section, that is, realize the rotation of sliding support, be conveniently replaced moist-proof board.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of moulded case circuit breaker, including moulded case circuit breaker ontology (1), it is characterised in that: outside the plastics
The front side wall upper end of shell type breaker ontology (1) is uniformly provided with arc extinguishing fixing groove (2), and the inside of the arc extinguishing fixing groove (2) is solid
Surely there is arc-control device, the arc-control device includes front shoe (31), and the rear side of the front shoe (31) is equipped with rear fixed plate
(32), arc-extinguish chamber is fixed between the front side wall upper end-face edge of the rear fixed plate (32) and the rear wall of front shoe (31)
(33), arc-chute is uniformly provided between the front side wall lower end of the rear fixed plate (32) and the rear wall of front shoe (31)
(34), the arc-chute (34) is located at the lower end inside of arc-extinguish chamber (33), and the lower end of the front shoe (31) is symmetrically arranged with solid
Determine hole (35), through having screw (36) in the fixation hole (35), the front shoe (31) passes through outside screw (36) plastics
The front side wall of shell type breaker ontology (1) screws fixation, and the shell of the moulded case circuit breaker ontology (1) includes procapsid
(4) it is fixedly connected with back casing (5), the procapsid (4) with back casing (5), is equipped in the middle part of the left side wall of the back casing (5)
The lower end of square three-way groove (6), the square three-way groove (6) is equipped with square groove (7), the square three-way groove (6) and square groove (7)
Width it is equal, the left and right sides wall of the square three-way groove (6) and square groove (7) is symmetrically arranged with sliding slot (8), the sliding slot
(8) cross sectional shape is circle, and the inside of two sliding slots (8) in left and right slidably connects the sliding of sliding sphere (9) respectively
End, the fixing end of sliding sphere (9) are separately fixed in the middle part of the outer wall of forward and backward side version of sliding support (10), the cunning
Dynamic bracket (10) are the semi-closed structure of front side board, back side panel, left plate and bottom plate composition, the sliding support (10)
The right end of forward and backward side plate is contacted with the right side wall of square groove (7), and the inside of the sliding support (10) is equipped with moist-proof board
(11), the moist-proof board (11) is made of water-absorbing resin, is equipped with fixture block (12) on rear side of the upper end of the square groove (7), described
The rear wall of fixture block (12) and the left side wall of moulded case circuit breaker ontology (1) are hinged, before the upper end of the square groove (7)
Side is equipped with fixing axle (13), and the right end of the fixing axle (13) is fixed on the left side wall of moulded case circuit breaker ontology (1),
The left end of the fixing axle (13) is rotatably connected to the lower end of rotating bar (14), and the upper surface of the rotating bar (14) is symmetrically fixed
There is the lower end of spring (15), the upper end of the spring (15) is each attached to the lower surface of clamping bar (16), the rotating bar (14)
It is located along the same line with clamping bar (16).
2. a kind of moulded case circuit breaker according to claim 1, it is characterised in that: the height of the sliding support (10)
It spends equal with the height of square groove (7).
3. a kind of moulded case circuit breaker according to claim 1, it is characterised in that: the square three-way groove (6) it is upper
Side inner wall is equipped with rubber weather strip.
4. a kind of moulded case circuit breaker according to claim 1, it is characterised in that: the rotating bar (14) turns to
The height of lower surface is equal with the height of upper surface of fixture block (12) when horizontal position.
5. a kind of moulded case circuit breaker according to claim 1, it is characterised in that: the rotating bar (14) turns to
The upper end of clamping bar (16) extends to the rear side of the front side wall of fixture block (11) when horizontal position.
6. a kind of moulded case circuit breaker according to claim 1, it is characterised in that: the bottom of the sliding support (10)
The right end of plate is fixedly connected with the left side wall lower end of fixed baffle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246270.0A CN107833811B (en) | 2017-12-01 | 2017-12-01 | A kind of moulded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246270.0A CN107833811B (en) | 2017-12-01 | 2017-12-01 | A kind of moulded case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107833811A CN107833811A (en) | 2018-03-23 |
| CN107833811B true CN107833811B (en) | 2019-04-12 |
Family
ID=61647420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711246270.0A Active CN107833811B (en) | 2017-12-01 | 2017-12-01 | A kind of moulded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107833811B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137041B (en) * | 2019-06-10 | 2023-11-14 | 杭州程翔电气有限公司 | Plastic shell type breaker shell |
| CN112325939B (en) * | 2020-11-06 | 2022-03-18 | 科信(广州)检测有限公司 | Subway monitoring system information acquisition device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7598833B1 (en) * | 2008-07-30 | 2009-10-06 | Eaton Corporation | Electrical switching apparatus, and arc chute assembly and arc hood assembly therefor |
| CN203811662U (en) * | 2014-05-14 | 2014-09-03 | 重庆莱格特电气有限公司 | Power meter of high-voltage switch cabinet |
| CN104064415B (en) * | 2014-06-30 | 2016-10-05 | 温州罗格朗电器有限公司 | A kind of monoblock type RCCB |
| CN106025858B (en) * | 2016-07-01 | 2017-12-22 | 嘉兴乾昆工业设计有限公司 | Outdoor rain-proof distribution box |
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2017
- 2017-12-01 CN CN201711246270.0A patent/CN107833811B/en active Active
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|---|---|
| CN107833811A (en) | 2018-03-23 |
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Denomination of invention: A plastic case circuit breaker Effective date of registration: 20200907 Granted publication date: 20190412 Pledgee: Yancheng SME Financing Guarantee Co.,Ltd. Pledgor: JIANGSU FEAL ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2020980005763 |
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Denomination of invention: A plastic shell circuit breaker Effective date of registration: 20210922 Granted publication date: 20190412 Pledgee: Yancheng SME Financing Guarantee Co.,Ltd. Pledgor: JIANGSU FEAL ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2021980009695 |
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Denomination of invention: A plastic shell circuit breaker Effective date of registration: 20230927 Granted publication date: 20190412 Pledgee: Yancheng SME Financing Guarantee Co.,Ltd. Pledgor: JIANGSU FEAL ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2023320000500 |
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