CN108695124A - A kind of breaker layout structure of optimization - Google Patents
A kind of breaker layout structure of optimization Download PDFInfo
- Publication number
- CN108695124A CN108695124A CN201810626277.3A CN201810626277A CN108695124A CN 108695124 A CN108695124 A CN 108695124A CN 201810626277 A CN201810626277 A CN 201810626277A CN 108695124 A CN108695124 A CN 108695124A
- Authority
- CN
- China
- Prior art keywords
- arc
- cavity
- overall structure
- shaft
- chutes
- 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
-
- 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
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
-
- 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
- H01H73/04—Contacts
-
- 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)
- Breakers (AREA)
Abstract
The invention discloses a kind of breaker layout structures of optimization, including arc quenching system, static contact, moving contact, mechanism, buckle releaser and shaft, it is characterized in that, further include left cover and right cover, left cover and right cover are mutually butted to form overall structure on left and right direction, buckle releaser and mechanism are set to outside overall structure, and arc quenching system, static contact, moving contact and shaft are located in overall structure.There is provided a kind of breaker layout structures of the N level structures of optimization for another technical solution of the present invention, 2≤N≤4, which is characterized in that including N number of above-mentioned overall structure, all overall structures are arranged side by side, and above-mentioned buckle releaser and the mechanism are set to outside any one overall structure.The present invention has the following advantages:Good isolation performance;Insulating capacity between excellent alternate and inlet-outlet line;Breaking capacity is higher under voltage levels;Solves the problems, such as particle blowback.
Description
Technical field
The present invention relates to a kind of layout structures of each device of breaker of plastic casing.
Background technology
As market continues to develop, more and more occasions need to use the breaker of plastic casing of voltage levels, such as
AC1150V, DC1500V etc..In the industry the way of most of producers be directly based upon existing maturation breaker of plastic casing derivative produce
Product, however it can not be applied to these occasions well, because these derive from product, more or less there is some quality problems, examples
Such as:Insulating capacity is inadequate, breaking capacity is low (under existing structure form, the arc-chutes for the enough capacity that can not arrange), or even connects
Most basic isolation performance is all given a discount.
The structure of common single-breakpoint molded case circuit breaker is as shown in Figure 1, Figure 2 and Figure 3 on the market at present, and overall structure is upper
Lower form installation, i.e., upper cover 1 is docked above and below with substrate 2, and arc quenching system 3, moving contact 5, mechanism 6, buckle releaser 7, turns static contact 4
Axis 8 all together, is positioned in the cavity between upper cover 1 and substrate 2.As shown in figure 4, in upper cover 1 and substrate 2, arc extinguishing
System 3, static contact 4, moving contact 5, mechanism 6, buckle releaser 7, shaft 8 arrange that the installation space of arc quenching system 3 has in left, center, right
Limit.
Similar Fig. 1 is to derivatives shown in Fig. 3, and in addition to problem mentioned above, there is also some other problems, examples
Such as:Mechanism 6, shaft 8 and arc quenching system 3 are in the same cavity, and the exhaust outlet of breaker, are all disposed within breaker connecting terminal
Nearby (such as Fig. 3), therefore when arcing gas is when the exhaust outlet of its direction of advance is difficult to release rapidly, it will be to other exhaust outlets
It moves or scurries into the gap of shell, burnt after arc particels blowback attachment or stuck mechanism 6 or shaft 8, and in big short circuit
Under current conditions, electric arc blowback that electric arc blowback burns that shaft 8 is more serious, and What is more leads to breaker into Pyromagnetic release 7
Lose basic division function.
Invention content
The purpose of the present invention is:The novel layouts of each device of breaker of plastic casing, it is ensured that it is gathered around under voltage levels application
There are excellent isolation performance, higher and reliable breaking capacity, and solves the problems, such as arc particels blowback.
In order to achieve the above object, the technical solution of the present invention is to provide a kind of breaker layout structure of optimization, packets
Include arc quenching system, static contact, moving contact, mechanism, buckle releaser and shaft, which is characterized in that further include left cover and right cover, left cover and
Right cover is mutually butted to form overall structure on left and right direction, and buckle releaser and mechanism are set to outside overall structure, arc quenching system, quiet
Contact, moving contact and shaft are located in overall structure, wherein:
Top installation space and lower part installation space are formed in overall structure, the volume of lower part installation space is about entire
The 1/2 of small product size;Post-receiving chamber body is located at top installation space;Static contact and relatively closed arc-chutes cavity are located at lower part peace
Fill space;Shaft cavity and arc-chutes cavity are independent of one another simultaneously, only the gap for moving contact movement;
Shaft is set to shaft cavity;Arc-chutes are set to arc-chutes cavity;Static contact is wrapped up by the material of left cover and right cover, only
Have that stationary contact is exposed, static contact is disconnected or contact portion is effectively wrapped up by the insulating materials of left cover and right cover, ensures good
Insulation performance, while protecting static contact not by flash burn.
Preferably, it is logical to be equipped with the upper outlet communicated with the arc-chutes cavity for the top after the left cover is docked with right cover
Road, the lower part after the left cover is docked with right cover are equipped with the lower outlet passageway communicated with the arc-chutes cavity so that up and down
In addition to arc-chutes on the communication path of outlet passageway, without other circuit breaker components, in this way under single-break form, bilateral is realized
Outlet, quick pressure releasing, transferred arc speed are rapid.
Preferably, the dynamic/static contact contact position is set in the middle part of arc-extinguishing chamber of circuit breaker cavity, to obtain maximum go out
Arc chamber volume, and when moving contact is opened, electric arc can be shifted to breaker up and down simultaneously.
There is provided a kind of breaker layout structure of the N level structures of optimization, 2≤N for another technical solution of the present invention
≤ 4, which is characterized in that including N number of above-mentioned overall structure, all overall structures are arranged side by side, above-mentioned buckle releaser and described
Mechanism be set to any one overall structure outside.
Compared with existing breaker of plastic casing, the present invention has the following advantages:1, good isolation performance;2, excellent phase
Between and inlet-outlet line between insulating capacity;3, breaking capacity is higher under voltage levels;4, particle blowback is solved the problems, such as.
Description of the drawings
Fig. 1 is the schematic diagram of existing breaker of plastic casing, in figure, upper cover 1 with substrate 2 is upper and lower has docked;
Fig. 2 is the schematic diagram of existing breaker of plastic casing, and in figure, upper cover 1 and substrate 2 are undocked;
Fig. 3 is the schematic internal view of existing breaker of plastic casing;
Fig. 4 is the integral layout schematic diagram of existing breaker of plastic casing;
Fig. 5 is the general structure schematic diagram of the present invention;
Fig. 6 is the integral layout schematic diagram of the present invention;
Fig. 7 is the integrally-built schematic diagram of the present invention, and in figure, left cover 9 has been controlled with right cover 10 and docked;
Fig. 8 is the integrally-built schematic diagram of the present invention, and in figure, left cover 9 and right cover 10 are undocked;
Fig. 9 is the internal structure schematic diagram of the present invention;
Figure 10 is the schematic diagram of the outlet up and down of the present invention, and dotted arrow is air motion schematic diagram in figure;
Figure 11 is the schematic diagram of the breaker of plastic casing of the two poles of the earth structure provided by the invention;
Figure 12 is the schematic diagram that inside points of the present invention do not show lid;
Figure 13 is that inside points of the present invention do not show the schematic diagrames of arc-chutes, and in figure, 13 be narrow gap outer wall.
Specific implementation mode
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is coordinated to be described in detail below.
As shown in figure 4, a kind of breaker layout structure of optimization provided by the invention includes mechanism 6, buckle releaser 7 and entirety
Structure has arc quenching system 3, static contact 4, moving contact 5 and shaft 8 in overall structure.In conjunction with Fig. 5, integral layout of the present invention was both in
Inside and outside two parts (be located at external mechanism 6, buckle releaser 7 and internally positioned arc quenching system 3, static contact 4, moving contact 5 and
Shaft 8), but go to upper and lower two parts (superposed mechanism 6, buckle releaser 7, shaft 8 and positioned at lower part arc quenching system 3,
Static contact 4), arc quenching system has two blocks of air-blowing side plates 11, and air-blowing side plate 11, which constitutes, only holds the narrow slit 12 that moving contact passes through.
The present invention sets arc quenching system 3, static contact 4 and shaft 8 to inside points, and mechanism 6 and buckle releaser 7 are set as outer
Part, the two is completely separated, while shaft 8 and static contact 4, arc quenching system 3 are again in opposing spaced apart state (with derivatives phase
Than the present invention proposes that the shaft cavity 10-1 of product is smaller, is avoided when disjunction occurs without the larger hole of supplied gas leakage
The possibility that a large amount of charged particles are regurgitated).
Meanwhile arc quenching system 3 and static contact 4 are lower half portion, shaft 8, mechanism 6 and buckle releaser 7 are top half, arc extinguishing
The arc-chutes of system 3 fully take up lower half portion, in the case where not increasing product overall appearance size condition, obtain most the piece number grid
Arrangement, arc-chutes maximum capacity promote high pressure reliable breaking, and such design brings another benefit just
It is so that double air vent may be implemented without other circuit breaker components in addition to arc-chutes on the communication path of upper and lower outlet passageway
Outlet simultaneously, quick pressure releasing can make the electric arc of elongation even into arc-chutes, while can also accelerate the transfer velocity of electric arc.
Specifically, in conjunction with Fig. 7 and Fig. 8, overall structure is installed using left and right form, including left cover 9 and right cover 10.It is left
Lid 9 and right cover 10 are mutually butted to form overall structure on left and right direction.Arc quenching system 3, static contact 4, moving contact 5 and shaft 8
In overall structure;Mechanism 6, buckle releaser 7 are then located at outside overall structure.Meanwhile it is empty that top installation is formed in overall structure
Between and lower part installation space, the volume of lower part installation space be about the 1/2 of entire small product size.Top installation space is mainly used for
Shaft cavity 10-1, small volume are accommodated, lower part installation space is mainly used for accommodating arc-chutes cavity 9-1 and static contact 4,
Volume is larger, and top installation space is connected to lower part installation space by only holding the narrow slit that moving contact passes through, therefore moving contact one
Divide and be located at top installation space, a part is located at lower part installation space.It is more optimized, if top installation space is allowed to pacify with lower part
It is mutually closed to fill space, can sandwich establishment between upper and lower two installation spaces, putting one piece between interlayer can be with moving contact one
Synkinematic gear backplate (not shown), to cover narrow slit.Mechanism 6 and buckle releaser 7 are also set to outside total by the present invention,
Reliably protecting mechanism 6 is not broken the high-temperature particle damage of generation while ensureing to insulate.
Arrangement before and after shaft cavity 10-1 of the present invention in this way is formed with mechanism 6, buckle releaser 7 on monopolar current path, three
Person is generally in contour position, is located at the homonymy of arc-chutes cavity 9-1.
In conjunction with Fig. 9 and Figure 10, shaft 8 is placed using closed shaft cavity 10-1, while using closed arc extinguishing chamber
Body 9-1 places arc quenching system 3, and when short circuit occurs, the electric arc generated between contact can only be upward under electromagnetic force and gas pressure
The gas outlet transfer (the namely directions of arc-chutes) at lower both ends.Thus reliably protecting rotating shaft system is not divided with flexible connecting line
The high-temperature particle damage of stopping pregnancy life.Meanwhile the present invention effectively wraps up the electric arc that disjunction generates using the cavity design being completely closed
Particle has excellent phase insulation sexuality.And arc-chutes cavity 9-1 hermetic designs maximize arc quenching system, form pole
The arc-chutes volume solutions of cause.
As can be seen from figures 8 and 9, static contact 4 is wrapped up by left cover 9 and right cover 10, and only stationary contact is exposed, static contact when disjunction
4 will not be by flash burn, and in circuit breaker open position, product integrally possesses larger open away from good between inlet-outlet line
And reliable insulating capacity.As shown in Figure 10, the present invention uses upper and lower outlet, fast transfer high temperature and high pressure gas, such as Figure 10 void
Shown in line arrow.Specifically, the upper outlet passageway 9-2 communicated with arc-chutes cavity 9-1 is equipped on the top of product, in product
Lower part be equipped with the lower outlet passageway 9-3 that is communicated with arc-chutes cavity 9-1, and due to shaft cavity 10-1 and arc-chutes cavity 9-
It is only connected to by narrow slit between 1 or covers narrow slit by keeping off backplate, the gap between two such cavity is very small, is far smaller than
Gas outlet on gas channel, and arc-chutes cavity 9-1 is to occupy a large space of breaker lower part, therefore arcing gas will not
Into shaft cavity 10-1.
The breaker layout type of single step arrangement is presented above.The layout type of the present invention applies also for two poles, three poles
The even breaker of quaternary structure.For the breaker of secondary structure, as shown in figure 11, only two above-mentioned entirety need to be used
Structure can be realized, and two overall structures are arranged side by side, and buckle releaser 7 and mechanism 6 are set to outside any one overall structure.
Claims (4)
1. a kind of breaker layout structure of optimization, including it is arc quenching system (3), static contact (4), moving contact (5), mechanism (6), de-
Detain device (7) and shaft (8), which is characterized in that further include left cover (9) and right cover (10), left cover (9) and right cover (10) are left and right
It is mutually butted to form overall structure on direction, buckle releaser (7) and mechanism (6) are set to outside overall structure, arc quenching system (3), stationary contact
Head (4), moving contact (5) and shaft (8) are located in overall structure, wherein:
Top installation space and lower part installation space are formed in overall structure, the volume of lower part installation space is about entire product
The 1/2 of volume;Shaft cavity (10-1) is located at top installation space;Static contact (4) and relatively closed arc-chutes cavity (9-1)
Positioned at lower part installation space;Shaft cavity (10-1) is independent of one another with arc-chutes cavity (9-1);
Shaft (8) is set to shaft cavity (10-1);Arc quenching system (3) is set to arc-chutes cavity (9-1);Static contact (4) is by left cover
(9) and the material of right cover (10) wraps up, and only stationary contact is exposed.
2. a kind of breaker layout structure of optimization as described in claim 1, which is characterized in that in the left cover and right cover pair
Top after connecing is equipped with the upper outlet passageway (9-2) communicated with the arc-chutes cavity (9-1), is docked with right cover in the left cover
Lower part afterwards is equipped with the lower outlet passageway (9-3) communicated with the arc-chutes cavity (9-1).
3. a kind of breaker layout structure of optimization as described in claim 1, which is characterized in that the moving contact (5) and institute
The contact position for stating static contact (4) is set in the middle part of the arc-chutes cavity (9-1).
4. a kind of breaker layout structure of the N level structures of optimization, 2≤N≤4, which is characterized in that including N number of such as claim 1
The overall structure, all overall structures are arranged side by side, buckle releaser (7) as described in claim 1 and the mechanism (6)
Outside any one overall structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626277.3A CN108695124B (en) | 2018-06-15 | 2018-06-15 | Optimized breaker layout structure |
| CN202110750820.2A CN113593977B (en) | 2018-06-15 | 2018-06-15 | Optimized circuit breaker layout structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626277.3A CN108695124B (en) | 2018-06-15 | 2018-06-15 | Optimized breaker layout structure |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110750820.2A Division CN113593977B (en) | 2018-06-15 | 2018-06-15 | Optimized circuit breaker layout structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108695124A true CN108695124A (en) | 2018-10-23 |
| CN108695124B CN108695124B (en) | 2023-09-08 |
Family
ID=63848488
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810626277.3A Active CN108695124B (en) | 2018-06-15 | 2018-06-15 | Optimized breaker layout structure |
| CN202110750820.2A Active CN113593977B (en) | 2018-06-15 | 2018-06-15 | Optimized circuit breaker layout structure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110750820.2A Active CN113593977B (en) | 2018-06-15 | 2018-06-15 | Optimized circuit breaker layout structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108695124B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007962A1 (en) | 2020-07-10 | 2022-01-13 | 厦门宏发开关设备有限公司 | Circuit breaker |
| WO2022028222A1 (en) * | 2020-08-03 | 2022-02-10 | 天津首瑞智能电气有限公司 | Low-voltage circuit breaker |
| WO2022183911A1 (en) * | 2021-03-05 | 2022-09-09 | 上海电器科学研究所（集团）有限公司 | Circuit breaker |
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| US20170098521A1 (en) * | 2014-05-16 | 2017-04-06 | Beijing People's Electric Plant Co., Ltd. | Breaker facilitating rapid movement and elongation of arc |
| CN107393780A (en) * | 2017-08-23 | 2017-11-24 | 河北宝凯电气股份有限公司 | A kind of miniature circuit breaker of strong breaking capacity |
| CN107833802A (en) * | 2017-12-19 | 2018-03-23 | 高能格乐电气股份有限公司 | A kind of miniature circuit breaker |
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| US2053971A (en) * | 1935-02-18 | 1936-09-08 | Gen Electric | Circuit breaker |
| FR2703822B1 (en) * | 1993-04-07 | 2002-01-25 | Merlin Gerin | Multipole circuit breaker with modular assembly. |
| CN201146160Y (en) * | 2008-01-11 | 2008-11-05 | 徐浩明 | DPN fluid pressure electromagnetism overflowing protective circuit breaker |
| CN101488424B (en) * | 2008-01-14 | 2011-07-13 | 上海电科电器科技有限公司 | Selective protection switch |
| CN202495401U (en) * | 2012-02-23 | 2012-10-17 | 上海电科电器科技有限公司 | Leakage circuit breaker |
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- 2018-06-15 CN CN202110750820.2A patent/CN113593977B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170098521A1 (en) * | 2014-05-16 | 2017-04-06 | Beijing People's Electric Plant Co., Ltd. | Breaker facilitating rapid movement and elongation of arc |
| CN106128877A (en) * | 2016-06-30 | 2016-11-16 | 乐清市联合贸易有限公司 | Switching units, include the switching device of this unit and include the chopper of this device |
| CN107393780A (en) * | 2017-08-23 | 2017-11-24 | 河北宝凯电气股份有限公司 | A kind of miniature circuit breaker of strong breaking capacity |
| CN207303016U (en) * | 2017-08-23 | 2018-05-01 | 河北宝凯电气股份有限公司 | A kind of miniature circuit breaker of strong breaking capacity |
| CN107833802A (en) * | 2017-12-19 | 2018-03-23 | 高能格乐电气股份有限公司 | A kind of miniature circuit breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007962A1 (en) | 2020-07-10 | 2022-01-13 | 厦门宏发开关设备有限公司 | Circuit breaker |
| WO2022028222A1 (en) * | 2020-08-03 | 2022-02-10 | 天津首瑞智能电气有限公司 | Low-voltage circuit breaker |
| WO2022183911A1 (en) * | 2021-03-05 | 2022-09-09 | 上海电器科学研究所（集团）有限公司 | Circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108695124B (en) | 2023-09-08 |
| CN113593977A (en) | 2021-11-02 |
| CN113593977B (en) | 2022-04-08 |
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