CN205911274U - Miniature circuit breaker galvanic circle improvement structure - Google Patents

Miniature circuit breaker galvanic circle improvement structure Download PDF

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Publication number
CN205911274U
CN205911274U CN201620632040.2U CN201620632040U CN205911274U CN 205911274 U CN205911274 U CN 205911274U CN 201620632040 U CN201620632040 U CN 201620632040U CN 205911274 U CN205911274 U CN 205911274U
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CN
China
Prior art keywords
circuit breaker
arc
panel
miniature circuit
galvanic circle
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620632040.2U
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Chinese (zh)
Inventor
彭琼
于贻鹏
刘智操
王龙江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Liangxin Electrical Co Ltd
Original Assignee
Shanghai Liangxin Electrical Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201620632040.2U priority Critical patent/CN205911274U/en
Application granted granted Critical
Publication of CN205911274U publication Critical patent/CN205911274U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a miniature circuit breaker galvanic circle improvement structure, it includes static touch pad (1), run -on plate (2) and movable contact plate (3), its characterized in that: explosion chamber (4) are located between static touch pad (1) and run -on plate (2), the contact end (301) of movable contact plate (3) gos deep into in explosion chamber (4), move the contact end (301) of silver point (5) dress at movable contact plate (3), quiet silver point (6) dress lies in one side of explosion chamber (4) on static touch pad (1), static touch pad (1) is connected with trip coil (7), quiet iron core (8) have been passed in trip coil (7), quiet iron core (8) both ends dress is in yoke (9). The utility model discloses the position is opened inside the bars piece to the moving contact inception, reinforcing striking magnetic field, and electric arc gets into bars piece belly through very short distance, and middle combustion time shortens greatly, the biggest opening range between increase sound contact, reinforcing arc blow -out magnetic field, whole device simple structure, convenient assembling has improved the breaking capacity of circuit breaker.

Description

A kind of miniature circuit breaker galvanic circle structure-improved
Technical field
This utility model belongs to breaker technical field, particularly to a kind of miniature circuit breaker galvanic circle structure-improved, The breaking capacity of chopper can be improved.
Background technology
Chopper is the pith in electrical power distribution apparatus, is mainly used in industrial low-voltage power system, for connecting and dividing Electric current in disconnected mains-power circuit and protection circuit and power-supply device are from the danger of the faults such as overload, under-voltage, short circuit, single-phase earthing Evil.
The function that chopper carries out disjunction to overload or short circuit current is mainly the arc-chutes by being arranged in chopper Complete.When the electric current that breaks down in circuit, and current value exceed intelligent controller setting protection domain when, drive operation Mechanism action, makes the dynamic and static contact of chopper disconnect rapidly, and now the voltage between dynamic and static contact leads to air dielectric to discharge Thus producing high-temperature electric arc.Electric arc leads to the air themperature in arc-control device to steeply rise thus accelerating air in combustion Ionization.On the other hand, electric arc, under the promotion of the magnetic field in arc-chutes and hydrodynamic effect, is separated into multiple by multiple arc grid Short arc, relies on metal arc piece to strengthen the deionization effect of electric arc, electric arc diminishes and voltage rapidly raises, and makes arc extinction.
When short circuit current, dynamic/static contact opens the starting the arc to miniature circuit breaker, and electric arc is along Pao Hu road to arc extinguishing at present Move in room, but traditional conducting loop structure leads to maximum between dynamic/static contact to open apart from less than normal, and the arcing time is long, Electric arc enter grid before arc blow-out magnetic field weak thus reducing the breaking capacity of chopper.
Utility model content
The purpose of this utility model is aiming at the chopper breaking capacity fall that above-mentioned existing conducting loop structure leads to Low technological deficiency, provides a kind of miniature circuit breaker galvanic circle structure-improved, increases the large opening between dynamic/static contact, strengthens Arc blow-out magnetic field, whole device structure is simple, easy to assembly, improves the breaking capacity of chopper.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of miniature circuit breaker galvanic circle structure-improved that this utility model designs, It include static contact panel, run-on tab and dynamic touch panel it is characterised in that: arc-chutes be located between static contact panel and run-on tab, dynamic touch panel Contact end gos deep into arc extinguishing interior, and dynamic silver point is contained in the contact end of dynamic touch panel, and quiet silver point is contained on static contact panel and is located at the one of arc-chutes Side, static contact panel is connected with tripping coil, and passing through in tripping coil has static iron core, and static iron core two ends are contained in yoke.
Further, described tripping coil includes First Line girth sheets and the second coil plate, First Line girth sheets and the second coil plate It is all u shape structure, the oral area of First Line girth sheets and the second coil plate forms cavity relatively, and static iron core passes through from cavity, first The upper side edge of coil plate and the second coil plate contacts, and the lower side of described First Line girth sheets is connected as one with static contact panel, institute The lower side stating the second coil plate stretches out patch panel.
Further, described run-on tab includes straight panel section and hook section, and arc-chutes are located above straight panel section.
Further, in described dynamic touch panel rotation process, contact end is located in the inner chamber of arc-chutes.
Further, described quiet silver point is contained in the side being located at arc-chutes on static contact panel, and quiet silver point is not higher than arc-chutes upper table Face.
Further, in described dynamic touch panel rotation process, fit in dynamic silver point and quiet silver point front.
Further, the lower side of described second coil plate is connected with patch panel z shape.
Beneficial effect
A kind of miniature circuit breaker galvanic circle structure-improved that this utility model provides, moving contact initial open position is in grid Inside piece, strengthen striking magnetic field, electric arc enters grid abdominal part through very short distance, the intermediate combustion time greatly shortens, increase Large opening between dynamic/static contact, strengthens arc blow-out magnetic field, and whole device structure is simple, easy to assembly, improves dividing of chopper Cutting capacity.
Brief description
Accompanying drawing 1 is the structural representation of this utility model embodiment.
Accompanying drawing 2 is tripping coil structural representation in this utility model embodiment.
Accompanying drawing 3 is First Line girth sheets and static contact panel connection diagram in this utility model embodiment.
Accompanying drawing 4 is the lower side of the second coil plate and patch panel connection diagram in this utility model embodiment.
Accompanying drawing 5 is striking plate structure schematic diagram in this utility model embodiment.
Accompanying drawing 6 is to move touch panel structural representation in this utility model embodiment.
Accompanying drawing 7 is arc quenching chamber structure schematic diagram in this utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and examples, this utility model is described further.
Embodiment
As shown in accompanying drawing 1,6 and 7, a kind of miniature circuit breaker galvanic circle structure-improved, it includes static contact panel 1, run-on tab 2 And dynamic touch panel 3 it is characterised in that: arc-chutes 4 are located between static contact panel 1 and run-on tab 2, and the contact end 301 of dynamic touch panel 3 is deeply gone out In arc chamber 4, dynamic silver point 5 is contained in the contact end 301 of dynamic touch panel 3, and quiet silver point 6 is contained in the side being located at arc-chutes 4 on static contact panel 1, Static contact panel 1 is connected with tripping coil 7, and passing through in tripping coil 7 has static iron core 8, and static iron core 8 two ends are contained in yoke 9.Described quiet Silver point 6 is contained in the side being located at arc-chutes 4 on static contact panel 1, and quiet silver point 6 is not higher than arc-chutes 4 upper surface.3 turns of described dynamic touch panel During dynamic, contact end 301 is located in the inner chamber of arc-chutes 4.In described dynamic touch panel 3 rotation process, dynamic silver point 5 and quiet silver point 6 Fit in front.
As shown in accompanying drawing 2,3 and 4, described tripping coil 7 includes First Line girth sheets 701 and the second coil plate 702, First Line Girth sheets 701 and the second coil plate 702 are all u shape structure, and First Line girth sheets 701 is relative with the oral area of the second coil plate 702 to be formed Cavity, static iron core 8 passes through from cavity, and the upper side edge of First Line girth sheets 701 and the second coil plate 702 contacts, and described first The lower side of coil plate 701 is connected as one with static contact panel 1, and the lower side of described second coil plate 702 stretches out patch panel 702a. The lower side of the second coil plate 702 is connected with patch panel 702az shape.
As shown in Figure 5, described run-on tab 2 includes straight panel section 201 and hook section 202, and arc-chutes 4 are located at straight panel section 201 Top.
A kind of miniature circuit breaker galvanic circle structure-improved that this utility model provides, moving contact initial open position is in grid Inside piece, strengthen striking magnetic field, electric arc enters grid abdominal part through very short distance, the intermediate combustion time greatly shortens, increase Large opening between dynamic/static contact, strengthens arc blow-out magnetic field, and whole device structure is simple, easy to assembly, improves dividing of chopper Cutting capacity.
Structure depicted in the present embodiment institute accompanying drawings, ratio, size etc., all only in order to coordinate in disclosed in description Hold, so that those skilled in the art understands and reads, be not limited to the enforceable qualificationss of this utility model, therefore not Have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting this practicality newly Under effect that type can be generated by and the purpose that can reach, the technology contents that all should still fall disclosed in this utility model obtain can be contained In the range of lid.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle ", " clockwise ", " inverse time The term of pin " etc., is merely convenient to understanding of narration, and is not used to limit the enforceable scope of this utility model, it closes relatively System is altered or modified, under no essence change technology contents, when being also considered as the enforceable category of this utility model.

Claims (7)

1. a kind of miniature circuit breaker galvanic circle structure-improved, it includes static contact panel (1), run-on tab (2) and dynamic touch panel (3), its It is characterised by: arc-chutes (4) are located between static contact panel (1) and run-on tab (2), and the contact end (301) of dynamic touch panel (3) gos deep into arc extinguishing In room (4), dynamic silver point (5) is contained in the contact end (301) of dynamic touch panel (3), and quiet silver point (6) is contained in static contact panel (1) and is above located at arc extinguishing The side of room (4), static contact panel (1) is connected with tripping coil (7), and passing through in tripping coil (7) has static iron core (8), static iron core (8) Two ends are contained in yoke (9).
2. as claimed in claim 1 a kind of miniature circuit breaker galvanic circle structure-improved it is characterised in that: described tripping coil (7) First Line girth sheets (701) and the second coil plate (702) are included, First Line girth sheets (701) and the second coil plate (702) are all u Shape structure, First Line girth sheets (701) is relative with the oral area of the second coil plate (702) to form cavity, and static iron core (8) is worn from cavity Cross, the upper side edge of First Line girth sheets (701) and the second coil plate (702) contacts, the lower side of described First Line girth sheets (701) Connect as one with static contact panel (1), the lower side of described second coil plate (702) stretches out patch panel (702a).
3. as claimed in claim 1 a kind of miniature circuit breaker galvanic circle structure-improved it is characterised in that: described run-on tab (2) straight panel section (201) and hook section (202) are included, arc-chutes (4) are located above straight panel section (201).
4. as claimed in claim 1 a kind of miniature circuit breaker galvanic circle structure-improved it is characterised in that: described dynamic touch panel (3), in rotation process, contact end (301) is located in the inner chamber of arc-chutes (4).
5. as claimed in claim 1 a kind of miniature circuit breaker galvanic circle structure-improved it is characterised in that: described quiet silver point (6) it is contained in the upper side being located at arc-chutes (4) of static contact panel (1), quiet silver point (6) is not higher than arc-chutes (4) upper surface.
6. as claimed in claim 1 a kind of miniature circuit breaker galvanic circle structure-improved it is characterised in that: described dynamic touch panel (3), in rotation process, fit in dynamic silver point (5) and quiet silver point (6) front.
7. as claimed in claim 2 a kind of miniature circuit breaker galvanic circle structure-improved it is characterised in that: described second coil The lower side of plate (702) is connected with patch panel (702a) z shape.
CN201620632040.2U 2016-06-23 2016-06-23 Miniature circuit breaker galvanic circle improvement structure Expired - Fee Related CN205911274U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620632040.2U CN205911274U (en) 2016-06-23 2016-06-23 Miniature circuit breaker galvanic circle improvement structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620632040.2U CN205911274U (en) 2016-06-23 2016-06-23 Miniature circuit breaker galvanic circle improvement structure

Publications (1)

Publication Number Publication Date
CN205911274U true CN205911274U (en) 2017-01-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620632040.2U Expired - Fee Related CN205911274U (en) 2016-06-23 2016-06-23 Miniature circuit breaker galvanic circle improvement structure

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110416031A (en) * 2019-08-19 2019-11-05 德力西电气有限公司 Four breakpoint contactors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110416031A (en) * 2019-08-19 2019-11-05 德力西电气有限公司 Four breakpoint contactors

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170125