CN203386687U - Electromagnetic tripping device in circuit breaker - Google Patents

Electromagnetic tripping device in circuit breaker Download PDF

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Publication number
CN203386687U
CN203386687U CN201320506156.8U CN201320506156U CN203386687U CN 203386687 U CN203386687 U CN 203386687U CN 201320506156 U CN201320506156 U CN 201320506156U CN 203386687 U CN203386687 U CN 203386687U
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CN
China
Prior art keywords
armature
busbar
circuit breaker
support
electromagnetic tripping
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.)
Expired - Lifetime
Application number
CN201320506156.8U
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Chinese (zh)
Inventor
黄锐
黄鹏
魏才华
佘定辉
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.)
Zhejiang People Ele Appliance Co ltd
Original Assignee
PEOPLE ELECTRICAL APPLIANCES GROUP 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.)
Filing date
Publication date
Application filed by PEOPLE ELECTRICAL APPLIANCES GROUP CO Ltd filed Critical PEOPLE ELECTRICAL APPLIANCES GROUP CO Ltd
Priority to CN201320506156.8U priority Critical patent/CN203386687U/en
Application granted granted Critical
Publication of CN203386687U publication Critical patent/CN203386687U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses an electromagnetic tripping device in a circuit breaker. The electromagnetic tripping device comprises a pedestal, a support, a conducting bar, a connecting piece, and an armature, wherein the pedestal is provided with an accommodating cavity; one end of the support and one end of the conducting bar are arranged inside the accommodating cavity; a gap is reserved between the support and the conducting bar; the armature is movably arranged in the end, close to the conducting bar, of the support through the connecting piece which is fixedly connected with the armature; the armature moves close to or far away from the conducting bar; the armature is provided with a drive rod capable of driving a traction rod in the circuit breaker to trip; and one end of a reset spring for supplying reset elastic force to the armature is connected with the support, while the other end of the reset spring is connected with the connecting piece. The electromagnetic tripping device of the utility model is reasonable in structure, low in cost, and very good in usage effect, and does not employ coils.

Description

Electromagnetic tripping apparatus in circuit breaker
Technical field
The utility model belongs to field of circuit breakers, is specifically related to the electromagnetic tripping apparatus in a kind of circuit breaker.
Background technology
Trip gear separates fixed contact and moving contact as circuit breaker at circuit under abnormal condition and the actuator of open circuit is the chief component of circuit breaker.Circuit breaker for circuit breaker, earth fault protection, adopt electromagnetic tripping apparatus usually.Also there are some problems in electromagnetic tripping apparatus in the market, but its structure still has improvements.
Summary of the invention
The problem existed for electromagnetic tripping apparatus in the market, the purpose of this utility model is to provide a kind of electromagnetic tripping apparatus rational in infrastructure, does not use coil in this electromagnetic tripping apparatus, and cost is comparatively cheap.
The technical scheme that realizes the utility model purpose is:
Electromagnetic tripping apparatus in a kind of circuit breaker, comprise pedestal, support, busbar, connector and armature; Wherein,
Described pedestal is provided with containing cavity, and an end of described support and busbar is located in described containing cavity, and leaves gap between described support and busbar;
Described armature is removably set on the end of described support near busbar by the described connector be fixedly connected with it, the moving direction of described armature be near or away from the direction of described busbar, move, described armature is provided with the draw bar that can drive in circuit breaker occur the to thread off drive rod of action;
For described armature provides an end of the back-moving spring of reseting elasticity, with support, be connected, the other end is connected with connector.
In technique scheme, also comprise yoke, described yoke is arranged on the side of described busbar away from described armature.
In technique scheme, described yoke and described busbar are connected in described containing cavity by screw.
In technique scheme, also comprise the described armature of guiding guider along traveling priority on described moving direction.
In technique scheme, described guider comprises an end that takes shape in the close busbar of described support and the guide rod extended towards close busbar direction, and the guiding groove matched with described guide rod on described armature is set.
The utlity model has positive effect:
(1) electromagnetic tripping apparatus of the present utility model in use, in the busbar line attachment, when circuit is short-circuited or transship, the magnetic field produced while utilizing busbar posting electric current is with moving armature to moving near the busbar direction, drive rod drives the draw bar action in the process moved with armature, make the circuit breaker quick acting switching-off, avoid the harm of fault current with protection circuit; When normal the or switch of circuit disconnects, be subject to the elastic force effect of back-moving spring, armature is to moving away from the busbar direction, and draw bar resets; Electromagnetic tripping apparatus of the present utility model rational in infrastructure, and do not use coil, with low cost, there is good result of use.
(2) in electromagnetic tripping apparatus of the present utility model, at busbar, away from a side of armature, be provided with yoke, in magnetic field, added yoke, can increase magnetic attraction, thereby better be with moving armature to move.
The accompanying drawing explanation
The stereogram that Fig. 1 is the electromagnetic tripping apparatus in circuit breaker of the present utility model;
The front view that Fig. 2 is Fig. 1;
Fig. 3 is the cutaway view that Fig. 2 dissects along the A-A line;
The right view that Fig. 4 is Fig. 2;
Fig. 5 is the cutaway view that Fig. 4 dissects along the B-B line;
The explosive view that Fig. 6 is Fig. 1.
Reference numeral shown in figure is: the 1-pedestal; The 11-containing cavity; The 2-support; The 21-guide rod; The 3-busbar; The 4-connector; 5-armature; The 51-drive rod; The 52-guiding groove; The 6-back-moving spring; The 7-yoke; The 8-screw.
Embodiment
A kind of embodiment below in conjunction with Figure of description to the electromagnetic tripping apparatus in circuit breaker of the present utility model elaborates:
As shown in Figures 1 to 6, the electromagnetic tripping apparatus in a kind of circuit breaker, comprise pedestal 1, support 2, busbar 3, connector 4 and armature 5; Wherein, described pedestal 1 is provided with containing cavity 11, and described support 2 is located in described containing cavity 11 with an end of busbar 3, and leaves gap between described support 2 and busbar 3 (this gap is to be the reserved free gap of armature 5); Described armature 5 is removably set on the end of described support 2 near busbar 3 by the described connector 4 be fixedly connected with it, the moving direction of described armature 5 be near or away from the direction of described busbar 3, move, described armature 5 is provided with the draw bar that can drive in circuit breaker occur the to thread off drive rod 51 of action; For described armature 5 provides an end of the back-moving spring 6 of reseting elasticity, with support 2, be connected, the other end is connected with connector 4.The electromagnetic tripping apparatus of the present embodiment in use, in busbar 3 line attachments, when circuit is short-circuited or transship, the magnetic field produced while utilizing busbar 3 posting electric current is with moving armature 5 to moving near busbar 3 directions, drive rod 51 drives the draw bar action in the process moved with armature 5, make the circuit breaker quick acting switching-off, avoid the harm of fault current with protection circuit; When normal the or switch of circuit disconnects, be subject to the elastic force effect of back-moving spring 6, armature 5 is to moving away from busbar 3 directions, and draw bar resets; The electromagnetic tripping apparatus of the present embodiment rational in infrastructure, and do not use coil, with low cost, there is good result of use.
The electromagnetic tripping apparatus of the present embodiment also comprises yoke 7, and described yoke 7 is arranged on the side of described busbar 3 away from described armature 5.By adopting said structure in magnetic field, to add yoke 7, can increase magnetic attraction, thereby better be with moving armature 5 to move.
Further improvement on the said structure basis, described yoke 7 and described busbar 3 are connected in described containing cavity 11 by screw 8.
In order to ensure armature 5, in moving process, can on moving direction, move along straight line, electromagnetic tripping apparatus of the present utility model also comprises that the described armature 5 of guiding goes up the guider along traveling priority at described moving direction (near or away from the direction of described busbar 3).
Described guider in the present embodiment comprises an end that takes shape in described support 2 close busbars 3 and the guide rod 21 extended towards close busbar 3 directions, and the guiding groove 51 matched with described guide rod 21 on described armature 5 is set, specifically can be referring to Fig. 6.
Obviously, above-described embodiment of the present utility model is only for the utility model example clearly is described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.

Claims (5)

1. the electromagnetic tripping apparatus in a circuit breaker, is characterized in that: comprise pedestal (1), support (2), busbar (3), connector (4) and armature (5); Wherein,
Described pedestal (1) is provided with containing cavity (11); Described support (2) is located in described containing cavity (11) with an end of busbar (3), and leaves gap between described support (2) and busbar (3);
Described armature (5) is removably set on the end of described support (2) near busbar (3) by the described connector (4) be fixedly connected with it, the moving direction of described armature (5) be near or away from the direction of described busbar (3), move, described armature (5) is provided with the draw bar that can drive in circuit breaker occur the to thread off drive rod (51) of action;
For described armature (5) provides an end of the back-moving spring (6) of reseting elasticity, with support (2), be connected, the other end is connected with connector (4).
2. the electromagnetic tripping apparatus in circuit breaker according to claim 1, it is characterized in that: also comprise yoke (7), described yoke (7) is arranged on the side of described busbar (3) away from described armature (5).
3. the electromagnetic tripping apparatus in circuit breaker according to claim 2, it is characterized in that: described yoke (7) and described busbar (3) are connected in described containing cavity (11) by screw (8).
4. according to the electromagnetic tripping apparatus in the described circuit breaker of any one in claims 1 to 3, it is characterized in that: also comprise the described armature of guiding (5) guider along traveling priority on described moving direction.
5. the electromagnetic tripping apparatus in circuit breaker according to claim 4, it is characterized in that: described guider comprises an end that takes shape in the close busbar (3) of described support (2) and the guide rod (21) extended towards close busbar (3) direction, and the upper guiding groove (52) matched with described guide rod (21) of described armature (5) is set.
CN201320506156.8U 2013-08-19 2013-08-19 Electromagnetic tripping device in circuit breaker Expired - Lifetime CN203386687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320506156.8U CN203386687U (en) 2013-08-19 2013-08-19 Electromagnetic tripping device in circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320506156.8U CN203386687U (en) 2013-08-19 2013-08-19 Electromagnetic tripping device in circuit breaker

Publications (1)

Publication Number Publication Date
CN203386687U true CN203386687U (en) 2014-01-08

Family

ID=49875145

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320506156.8U Expired - Lifetime CN203386687U (en) 2013-08-19 2013-08-19 Electromagnetic tripping device in circuit breaker

Country Status (1)

Country Link
CN (1) CN203386687U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104867791A (en) * 2014-02-25 2015-08-26 西门子公司 Magnetic trip deivce for thermal magnetic circuit breaker having a stablizer element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104867791A (en) * 2014-02-25 2015-08-26 西门子公司 Magnetic trip deivce for thermal magnetic circuit breaker having a stablizer element
CN104867791B (en) * 2014-02-25 2019-06-28 西门子公司 The magnetic trip gear of Thermomagetic circuit-breaker with stabilizer component

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: ZHEJIANG PEOPLE ELECTRICAL APPLIANCE CO., LTD.

Free format text: FORMER OWNER: PEOPLE ELECTRICAL APPLIANCES GROUP CO., LTD.

Effective date: 20140603

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20140603

Address after: 325604, Yueqing, Zhejiang province Liushi town wide industrial zone

Patentee after: ZHEJIANG PEOPLE ELE. APPLIANCE Co.,Ltd.

Address before: 325604 Zhejiang City, Wenzhou province Yueqing Town Station Road, No. 555 people's Industrial Park, No.

Patentee before: People Electric Appliance Group Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140108