CN105957776A - Circuit breaker shell and circuit breaker equipped with same - Google Patents
Circuit breaker shell and circuit breaker equipped with same Download PDFInfo
- Publication number
- CN105957776A CN105957776A CN201610563320.7A CN201610563320A CN105957776A CN 105957776 A CN105957776 A CN 105957776A CN 201610563320 A CN201610563320 A CN 201610563320A CN 105957776 A CN105957776 A CN 105957776A
- Authority
- CN
- China
- Prior art keywords
- arc
- breakdown
- accommodating area
- grid pieces
- extinguishing grid
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a circuit breaker shell and a circuit breaker equipped with the same. At least two ventilating channels are formed between an access terminal accommodating region and an arc extinguish chamber accommodating region. Electric arc passes through the arc extinguish chamber and then enters the multiple ventilating channels through an electric arc inlet, so that the probability of re-arcing is lowered and the electric arc maintaining time is shortened; and therefore, the back breakdown phenomenon of the circuit breaker can be prevented fundamentally, and the breaking capability and the safety of the circuit breaker in use are improved.
Description
Technical field
The present invention relates to chopper, more particularly, it relates to a kind of Shell of circuit breaker and the chopper with this housing.
Background technology
Low-voltage circuit breaker is to apply one of the most universal electric equipment products in low-voltage distribution system.In order to obtain higher electricity
Arc voltage, the grid arrangement of arc-extinguishing chamber of circuit breaker is closely.So, the resistance that electric arc is suffered when entering arc-chutes is relatively big, at grid
The time that sheet porch is stagnated is the longest.Research to low-voltage circuit breaker in recent years shows, electric arc repeatedly goes out in grid porch
Now in grid and outside grid, cause repeatedly falling of arc voltage, here it is back commutation phenomenon.It reduces opening of chopper
Disconnected performance, makes the arc time increase.
After circuit breaker short circuit, the electric arc produced between dynamic and static contact is led into arc-chutes by arc striking component, if arc-chutes
Arc extinction performance bad, above-mentioned back punch-through will occur, cause arcing again, chopper damages.
At present, most common way is exactly to increase the thickness of arc extinguishing grid pieces or/and increase whole arc-chutes, although certain journey
The generation of back punch-through can be reduced on degree, but the problem that cost increases and volume increases can be caused simultaneously.
Can prevent electric arc from reversely spraying it addition, the Chinese invention patent of Application No. 201210580406.2 discloses one
And the chopper in Dai Paohu road, include base, lid, handle, U type connecting rod, trigger device, static contact, calutron and go out
Arc chamber, wherein handle rotates and is arranged on the cylinder of base or lid, and trigger device is rotatably provided in the mounting post of base or lid
On, calutron and arc-chutes are all fixedly installed on base, realize connection by U type connecting rod between handle and trigger device
Dynamic coordinate, described base or and cover and be provided with circular arc isolation bar, circular arc isolation bar is constituted with lid at base round handle
Space in one end running orbit arrange, described circular arc isolation bar is provided with the breach that one section of U-shaped connecting rod of confession is movable.
This technical scheme so-called prevention product electric arc in breaking course reversely sprays, simply by circular arc isolation bar
Serve the effect keeping out electric arc, but can not fundamentally prevent the generation of back punch-through, so chopper still exists
Potential safety hazard.
Summary of the invention
The first object of the present invention is to provide a kind of Shell of circuit breaker, can effectively prevent chopper generation back commutation
Phenomenon, improves safety, breaking capacity and reduction arc time that chopper uses.
The above-mentioned purpose of the present invention has the technical scheme that
A kind of Shell of circuit breaker, including outer cover body, is formed with operating mechanism accommodating area, connector assembly houses in outer cover body
District, arc-chutes accommodating area, arc striking component accommodating area, connector assembly accommodating area includes the access laying respectively at both sides, arc-chutes accommodating area
Terminal accommodating area and pick out terminal accommodating area, described outer cover body and accessing sets between terminal accommodating area and arc-chutes accommodating area
Having enclosure member, enclosure member to enclose to set and be formed with at least two venting channels, enclosure member is provided with connection venting channels and goes out
The electric arc entrance of arc chamber accommodating area.
By using technique scheme, at least two is set between access terminal accommodating area and arc-chutes accommodating area and leads to
Gas passage, electric arc has electric arc entrance to enter multiple venting channels after arc-chutes, reduces again probability and the fall of arcing
Low electric arc is held time, such that it is able to fundamentally prevent chopper generation back commutation phenomenon, improves the disjunction energy of chopper
Power and the safety of use.
Preferably, described enclosure member is formed with some anti-breakdown projections towards arc-chutes accommodating area, and each two is adjacent anti-
Puncture and between projection, be each formed with gap, arc extinguishing grid pieces location.
By using technique scheme so that anti-breakdown projection not merely plays the simple back commutation phenomenon that reduces and sends out
Raw probability, can also play the effect positioning arc extinguishing grid pieces simultaneously, prevent arc extinguishing grid pieces from channeling bit.
Preferably, described outer cover body be fixedly connected with cooperate the complete housing of composition and shape, size the most identical
First housing and the second housing, the anti-breakdown projection of the first housing is main anti-breakdown projection, and the anti-breakdown projection of the second housing is
After secondary anti-breakdown projection, the first housing and the second housing are fixing, main anti-breakdown projection is crisscross arranged with time anti-breakdown projection and two
Gap, actual arc extinguishing grid pieces location is formed between person.
By using technique scheme, the shell cover of usual chopper is by shape, two half-shell that size is identical
Body is constituted, and main anti-breakdown projection and time anti-breakdown projection are crisscross arranged and can form minimum anti-breakdown projection and play maximization
Anti-breakdown effect, every a piece of arc extinguishing grid pieces can also be carried out solid and reliable fixing simultaneously.
Described outer cover body is also formed with some arc extinguishing grid pieces positioning convex.
By using technique scheme, main anti-breakdown projection is different to arc extinguishing grid pieces respectively with arc extinguishing grid pieces positioning convex
Both sides position, multi-direction prevent arc extinguishing grid pieces from channeling bit.
Preferably, thickness and the actual arc extinguishing of the anti-breakdown projection of described master, secondary anti-breakdown projection, arc extinguishing grid pieces positioning convex
The height in gap, grid location is identical.
By using technique scheme, because the gap to two arc extinguishing grid pieces is to have certain regulation, gap is the least
Not having good arc quenching effect, gap then causes too greatly whole chopper volume to increase, cost increases, it is therefore preferred that arrange
Meet the interstice coverage of national standard, then each anti-breakdown projection of stack pile is set etc., it is possible to ensure arc quenching effect
Under premise, also the volume of whole chopper and cost will not be affected.
The second object of the present invention is to provide a kind of chopper, can effectively prevent back commutation phenomenon, improve
The safety used.
The above-mentioned purpose of the present invention has the technical scheme that
A kind of chopper, the Shell of circuit breaker recorded with the technology of the present invention feature, it is provided with operating mechanism in outer cover body, touches
Head group, arc-chutes, arc striking component and dividing plate, sets of contacts includes accessing terminal and picking out terminal, enclosure member enclose set to
Few two venting channels, venting channels.
By using technique scheme, the Shell of circuit breaker that technical solution of the present invention is recorded is applied on chopper,
Dividing plate serves the effect electric arc lattice, traditional remaining electric arc enter an interval form the most afterwards from arc-chutes,
Change to remaining electric arc is shunted, it is to avoid remaining electric arc arcing again, prevent back punch-through from occurring, improve use
Safety.
Preferably, described arc-chutes include some arc extinguishing grid pieces, and arc extinguishing grid pieces is erected in anti-breakdown projection, and each two
Gap arcing tracks between adjacent arc extinguishing grid pieces.
By using technique scheme, further arc motion track is separated into multiple little arc motion rail
Road, is divided into shorter short arc electric arc, accelerates the quenching time, prevents arc reignition.
Preferably, being additionally provided with dividing plate in described outer cover body, it is sequentially overlapped the direction phase of arrangement with some arc extinguishing grid pieces
Parallel.
By using technique scheme, further electric arc is divided into short arc, accelerates the quenching time, prevent electric arc weight
Combustion.
Preferably, described arc striking component includes that one connects successively initial arc initiation section, transition striking section and electric arc arrive section,
Described transition striking section one has the first magnetic conduction sheet facing to arc-chutes, another side conflict connection.
By using technique scheme, time enough and distance is had to make the first magnetic conduction sheet carry out electric arc reducing electricity
The effect of magnetic interference, contributes to more preferable arc extinguishing.
Preferably, what described connector assembly also included being positioned at sets of contacts side picks out terminal, pick out terminal and sets of contacts it
Between be provided with bimetal leaf, the coefficient of expansion of the sheet metal near sets of contacts side is more than near the sheet metal picking out terminal side
The coefficient of expansion.
By using technique scheme, owing to thermal coefficient of expansion is different, when the temperature is changed, near the metal of sets of contacts
The deformation of sheet is greater than the deformation near the sheet metal picking out terminal, thus the entirety of bimetal leaf will be near picking out terminal
Sheet metal curving, the curvature of the most this composite changes thus produces deformation.
In sum, the method have the advantages that
1., the when that electric arc being by the transition striking section of arc striking component, there is the first magnetic conduction sheet to serve the reduction interference of electromagnetic field
Effect；If the first magnetic conduction sheet is arranged at initial arc initiation section, the first magnetic conduction sheet can be caused cannot to have time enough pair
Electric arc acts on, and electric arc has just come into transition striking section even electric arc and arrived section；And if the first magnetic conduction sheet is set
If being placed in electric arc arrival section, the first magnetic conduction sheet can be caused cannot to have enough acting on it away from discrete time, electric arc is
Through entering entrance arc-chutes；And the first magnetic conduction sheet is arranged at transition striking section, it becomes possible to ensure have time enough and away from
Reduce the effect of the interference of electromagnetic field from making the first magnetic conduction sheet that electric arc be carried out, contribute to more preferable arc extinguishing；
2. lead anti-breakdown convex role, be on the one hand the extreme ends of movement locus in electric arc with arc-chutes, serve handle
Electric arc is divided into the effect of short arc, on the other hand can also play the effect of fixing arc extinguishing grid pieces, main anti-breakdown projection, convex
Rise and arc extinguishing grid pieces is positioned, because three kinds of anti-breakdown projections are all one-body molded on lid by time anti-breakdown projection jointly
, make arc extinguishing grid pieces location on lid solid and reliable, position will not be occurred to offset, electric arc is completely secured in arc-chutes
Running orbit is stable, arc extinction performance is stable；
3. lead anti-breakdown projection, positioning convex, secondary anti-breakdown projection and the effect of dividing plate, adjacent for each two arc extinguishing grid pieces it
Between constitute a complete arc motion track be separated into multiple little arc motion track, further electric arc is divided into
Short arc, accelerates the quenching time, prevents arc reignition；
4. dividing plate has at least been separated into two the arrival interval of remaining electric arc, shunts, remaining electric arc i.e. in a district
The remaining electric arc amount of interior reduction, prevents remaining arc reignition, thus prevents back punch-through from occurring, the segmentation of raising chopper
Ability and security performance.
Accompanying drawing explanation
Fig. 1 is the front view of the first shell；
Fig. 2 is the axonometric chart of the first shell；
Fig. 3 is the structural representation of second housing；
Fig. 4 is the front view of embodiment 4；
Fig. 5 is the A portion enlarged drawing of Fig. 4；
Fig. 6 is that the B-B of Fig. 4 is to sectional view；
Fig. 7 is the axonometric chart one of embodiment 4, for showing the structure of the outer cover body with embodiment 1；
Fig. 8 is the axonometric chart two of embodiment 4, hides section components, for more clearly showing the mounting structure of arc extinguishing grid pieces；
Fig. 9 is to be the axonometric chart three of embodiment 4, hides section components, for more clearly show dividing plate and outer cover body
Mounting structure；
Figure 10 is the front view of dividing plate.
In figure, a1. the first shell；A2. second housing；10. operating mechanism accommodating area；11. connector assembly accommodating areas；12.
Arc-chutes accommodating area；13. arc striking component accommodating areas；14. venting channels；21. main anti-breakdown projections；22. anti-breakdown projections；23.
Arc extinguishing grid pieces positioning convex；31. gap, main arc extinguishing grid pieces location；Gap, 32. arc extinguishing grid pieces location；34. actual arc extinguishing grid pieces
Gap, location；40. operating mechanisms；411. access terminal；412 pick out terminal；42. arc-chutes；421 arc extinguishing grid pieces；43. strikings
Part；431. initial arc initiation sections；432. transition striking sections；433. electric arcs arrive section；44. sets of contacts；441. moving contact；442. stationary contact
Head；5. dividing plate；6. enclosure member;61. electric arc entrances；7. it is dielectrically separated from plate；8. bimetal leaf；9. the first magnetic conduction sheet；92. second
Magnetic conduction sheet.
Detailed description of the invention
Following illustrate with reference to-10 pairs of embodiments of the invention of Fig. 1.
Embodiment 1
As described in Fig. 1-3, a kind of Shell of circuit breaker is identical including shape, size and constitute the of a complete Shell of circuit breaker
One shell a1 and second housing a2, both is formed with operating mechanism accommodating area 10, connector assembly accommodating area, arc-chutes accommodating area
12, arc striking component accommodating area 13 and enclosure member 6, enclosure member 6, the enclosure member 6 of the first shell a1 encloses to set and is formed with at least one
Individual venting channels 14, the enclosure member 6 of second housing a2 encloses to set and is formed with at least one venting channels 14, and both enclosure wall structures
Part 6 is provided with the electric arc entrance 61 of connection venting channels 14 and arc-chutes accommodating area 12.
As shown in Figure 1 and Figure 2, the first shell a1 is formed with some masters anti-breakdown protruding 21, and each two adjacent main is anti-hits
Wearing and be formed with gap 31, main arc extinguishing grid pieces location between protruding 21, main anti-breakdown protruding 21 near arc-chutes accommodating area 12 and are positioned at
(it should be noted that, from the point of view of ordinary meaning, electric arc running orbit is along arc striking component 43 herein for electric arc running orbit extreme ends
Channeling direction enters arc-chutes 42 until the whole movement locus of breath arc, and emphasis of the present invention refers at the adjacent arc extinguishing grid pieces of each two
The running orbit in gap between 421)；
As it is shown on figure 3, second housing a2 is formed with secondary anti-breakdown protruding 22, formed between each two adjacent secondary anti-breakdown protruding 22
There are the secondary arc extinguishing grid pieces location gap 32 identical with gap 31, main arc extinguishing grid pieces location size, the first shell a1 and second housing a2
After Gu Ding, main anti-breakdown protruding 21 and secondary anti-breakdown protruding 22 are crisscross arranged and are formed therebetween between actual arc extinguishing grid pieces location
Gap 34；
As described in Fig. 1-3, the first shell a1 and second housing are the most all formed with some arc extinguishing grid pieces positioning convex 23, its position
In the side of electric arc running orbit middle part, between each two adjacent arc extinguishing grid pieces positioning convex 23, it is formed with secondary arc extinguishing grid pieces
Gap 33, location, gap 31, main arc extinguishing grid pieces location is connected with gap 33, secondary arc extinguishing grid pieces location, and (the most main arc extinguishing grid pieces positions
Gap 33=2* actual arc extinguishing grid pieces location, height=2* pair arc extinguishing grid pieces location, gap 32, height=secondary arc extinguishing grid pieces location, gap 31
Gap 34 height).
Main anti-breakdown anti-breakdown protruding 22, thickness and the actual arc extinguishing grid pieces of arc extinguishing grid pieces positioning convex 23 protruding 21, secondary
The height in gap 34, location is identical.
Embodiment 2
As different from Example 1, Shell of circuit breaker is not divided into two parts, but have employed 3D printing technique one and become
Type, i.e. arc extinguishing grid pieces positioning convex 23 and second housing a2 are integrated.
Embodiment 3
As different from Example 1, main anti-breakdown protruding 21 be arranged in parallel with secondary anti-breakdown protruding 22, and the most main arc extinguishing grid pieces positions
Gap 32, height=secondary arc extinguishing grid pieces location, gap 31 height=gap, gap 33=actual arc extinguishing grid pieces location, secondary arc extinguishing grid pieces location
34 height.
Embodiment 4
As shown in figs. 4 through 10, a kind of chopper, the Shell of circuit breaker recorded with embodiment 1, the operation machine in Shell of circuit breaker
Structure accommodating area 10 is provided with operating mechanism 40, connector assembly accommodating area arranges sets of contacts 44, arc-chutes accommodating area 12 arranges arc extinguishing
Room 42, arc striking component accommodating area 13 are provided with arc striking component 43.Wherein, sets of contacts 44 includes moving contact 441 and static contact 442, stationary contact
The inner side of 422, i.e. deviates from the side of moving contact 441 contact, is provided with the second magnetic conduction sheet 91, i.e. at moving contact 441 and static contact
442 when just contact, and just reduces the interference of electromagnetic field, tentatively prevents a large amount of electric arc from producing, and reduces back commutation from source
The probability that phenomenon occurs；Arc-chutes 42 include some arc extinguishing grid pieces 421 being sequentially overlapped arrangement by equidirectional, arc extinguishing grid pieces
421 are erected on main anti-breakdown protruding 21, and the gap between the adjacent arc extinguishing grid pieces of each two 421 is arc motion track.
As shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, arc extinguishing grid pieces 421 is fixed with and is dielectrically separated from plate 7, is dielectrically separated from plate 7 and arc extinguishing
Grid 421 to be arranged under the overlay direction parallel.It is dielectrically separated from plate 7 mainly the electric arc in arc motion track to be divided into more
Little short arc, prevents arc reignition further, accelerates the arc extinguishing speed in arc motion track.
Arc striking component 43 includes that one connects successively initial arc initiation section 431, transition striking section 432 and electric arc arrive section 433,
Described transition striking section 432 1 has the first magnetic conduction sheet 9 facing to arc-chutes 42, another side conflict connection.
Being additionally provided with connector assembly in described outer cover body, connector assembly includes the access terminal being positioned at arc-chutes 42 side
411 and be positioned at sets of contacts side pick out terminal 412, access and be provided with dividing plate 5 between terminal 411 and arc-chutes 42, dividing plate 5 sets up
Between the enclosure member 6 that the enclosure member 6 formed at the first shell a1 and second housing a2 are formed, i.e. dividing plate 5 and first
Defining at least one venting channels 14 between the enclosure member 6 that shell a1 is formed, dividing plate 5 and second housing a2 are formed
Defining at least one venting channels 14 between enclosure member 6, remaining electric arc has been split into two-way the most afterwards by arc-chutes.
Embodiment 5
As different from Example 4, have employed the Shell of circuit breaker of embodiment 2.
Embodiment 6
As different from Example 4, have employed the Shell of circuit breaker of embodiment 3.
Claims (10)
1. a Shell of circuit breaker, including outer cover body, is formed with operating mechanism accommodating area (10), connector assembly in outer cover body
Accommodating area, arc-chutes accommodating area (12), arc striking component accommodating area (13) and sets of contacts accommodating area, connector assembly accommodating area includes respectively
It is positioned at the access terminal accommodating area (111) of arc-chutes accommodating area (12) both sides and picks out terminal accommodating area (112), its feature
It is: be provided with enclosure member (6) between described outer cover body and access terminal accommodating area (111) and arc-chutes accommodating area (12), enclose
Wall member (6) encloses to set and is formed with at least two venting channels (14), and enclosure member (6) is provided with connection venting channels (14) and goes out
The electric arc entrance (61) of arc chamber accommodating area (12).
Shell of circuit breaker the most according to claim 1, is characterized in that: described enclosure member (6) is towards arc-chutes accommodating area
(12) it is formed with some anti-breakdown projections (2), is each formed with between the adjacent anti-breakdown projection of each two (2) between arc extinguishing grid pieces location
Gap (31).
Shell of circuit breaker the most according to claim 2, is characterized in that: described outer cover body is fixedly connected with the structure that cooperates
Become the first housing (a1) and the second housing (a2) that complete housing and shape, size are the most identical, the first housing (a1) anti-breakdown
Protruding (2) are main anti-breakdown projection (21), and the anti-breakdown projection (21) of the second housing (a2) is time anti-breakdown projection (22), first
After housing (a1) and the second housing (a2) are fixed, main anti-breakdown projection (21) is crisscross arranged and the two with time anti-breakdown projection (22)
Between formed actual arc extinguishing grid pieces position gap (32).
Shell of circuit breaker the most according to claim 1, is characterized in that: described outer cover body is also formed with some arc extinguishing grid pieces
Positioning convex (23).
Shell of circuit breaker the most according to claim 3, is characterized in that: the anti-breakdown projection of described master (21), secondary anti-breakdown convex
Play (22), that thickness and the actual arc extinguishing grid pieces of arc extinguishing grid pieces positioning convex (23) position the height in gap (34) is identical.
6. a chopper, is characterized in that: band is just like the Shell of circuit breaker described in claim 1 or 2 or 3 or 4 or 5, and shell is originally
Internal it is provided with operating mechanism (40), connector assembly, arc-chutes (42), arc striking component (43), sets of contacts (44) and dividing plate 5, connects
Line component includes accessing terminal (411) and picking out terminal (412), and enclosure member (6) encloses at least two venting channels set
(14) separated by dividing plate 5.
Chopper the most according to claim 1, is characterized in that: described arc-chutes (42) include some arc extinguishing grid pieces (421),
Arc extinguishing grid pieces (421) is erected in anti-breakdown projection (21), and the gap between the adjacent arc extinguishing grid pieces of each two (421) constitutes electricity
Arc tracks.
Chopper the most according to claim 6, is characterized in that: being additionally provided with dividing plate (5) in described outer cover body, it is with some
The direction that arc extinguishing grid pieces (421) is sequentially overlapped arrangement is parallel.
Chopper the most according to claim 6, is characterized in that: described arc striking component (43) includes the initial of one connection successively
Striking section (431), transition striking section (432) and electric arc arrive section (433), and described transition striking section (432) is facing to arc extinguishing
Room (42), another side conflict connection has the first magnetic conduction sheet (9).
Chopper the most according to claim 6, is characterized in that: described connector assembly also includes being positioned at sets of contacts (44)
Side pick out terminal (412), pick out and between terminal (412) and sets of contacts (44), be provided with bimetal leaf (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563320.7A CN105957776B (en) | 2016-07-15 | 2016-07-15 | A kind of Shell of circuit breaker and the breaker with the housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610563320.7A CN105957776B (en) | 2016-07-15 | 2016-07-15 | A kind of Shell of circuit breaker and the breaker with the housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105957776A true CN105957776A (en) | 2016-09-21 |
| CN105957776B CN105957776B (en) | 2018-06-12 |
Family
ID=56900792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610563320.7A Active CN105957776B (en) | 2016-07-15 | 2016-07-15 | A kind of Shell of circuit breaker and the breaker with the housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105957776B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482654A (en) * | 2017-08-19 | 2017-12-15 | 国网山东省电力公司青州市供电公司 | Breaker and three-phase load adjusting apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638230Y (en) * | 2003-08-05 | 2004-09-01 | 常安集团有限公司 | Shell of circuit breaker |
| JP2004273339A (en) * | 2003-03-11 | 2004-09-30 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker for wiring |
| CN201490115U (en) * | 2009-09-14 | 2010-05-26 | 西门子公司 | Breaker shell and breaker |
| CN205984830U (en) * | 2016-07-15 | 2017-02-22 | 欧迪森电气有限公司 | Circuit breaker casing and have circuit breaker of this casing |
-
2016
- 2016-07-15 CN CN201610563320.7A patent/CN105957776B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004273339A (en) * | 2003-03-11 | 2004-09-30 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker for wiring |
| CN2638230Y (en) * | 2003-08-05 | 2004-09-01 | 常安集团有限公司 | Shell of circuit breaker |
| CN201490115U (en) * | 2009-09-14 | 2010-05-26 | 西门子公司 | Breaker shell and breaker |
| CN205984830U (en) * | 2016-07-15 | 2017-02-22 | 欧迪森电气有限公司 | Circuit breaker casing and have circuit breaker of this casing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482654A (en) * | 2017-08-19 | 2017-12-15 | 国网山东省电力公司青州市供电公司 | Breaker and three-phase load adjusting apparatus |
| CN107482654B (en) * | 2017-08-19 | 2020-09-22 | 国网山东省电力公司青州市供电公司 | Circuit breaker and three-phase load adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105957776B (en) | 2018-06-12 |
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