CN202855670U - Circuit breaker opening auxiliary device - Google Patents

Circuit breaker opening auxiliary device Download PDF

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Publication number
CN202855670U
CN202855670U CN 201220570017 CN201220570017U CN202855670U CN 202855670 U CN202855670 U CN 202855670U CN 201220570017 CN201220570017 CN 201220570017 CN 201220570017 U CN201220570017 U CN 201220570017U CN 202855670 U CN202855670 U CN 202855670U
Authority
CN
China
Prior art keywords
opening
circuit breaker
coil
base
auxiliary device
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
CN 201220570017
Other languages
Chinese (zh)
Inventor
陈士军
曹效海
董敏
姜志勇
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.)
State Grid Zhejiang Ruian Power Supply Co ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Wenzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
WENZHOU POWER SUPPLY BUREAU
RUI'AN ELECTRIC POWER CO Ltd
State Grid Corp of China SGCC
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 WENZHOU POWER SUPPLY BUREAU, RUI'AN ELECTRIC POWER CO Ltd, State Grid Corp of China SGCC filed Critical WENZHOU POWER SUPPLY BUREAU
Priority to CN 201220570017 priority Critical patent/CN202855670U/en
Application granted granted Critical
Publication of CN202855670U publication Critical patent/CN202855670U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The embodiments of the utility model disclose a circuit breaker opening auxiliary device. The circuit breaker opening auxiliary device comprises a base, a connection panel, an opening coil and a connection bar. The base and the connection panel are connected through the connection bar. The opening coil is fixed on the connection panel. The base is fixed on a switch cabinet. The emergency opening button on the switch cabinet is located in the stroke of the iron core of the opening coil. According to the utility model, by utilizing the characteristic that the iron core will be moved after the coil is powered on, the emergency opening button of the circuit breaker is pressed down through the iron core of the opening coil, so the opening of the circuit breaker can be realized easily when an opening refusing failure occurs in the circuit breaker. According to the utility model, advantages of simple structure and easy operation can be realized, no operator personal safety treat exists; and the bus does not need to be stopped serving, so the economic losses caused by a long-time and large-scale power outage can be avoided.

Description

Circuit breaker opening auxiliary device
Technical Field
The utility model relates to a power equipment technical field especially relates to a circuit breaker separating brake auxiliary device.
Background
The circuit breaker also serves as a switch for cutting off/closing an operating current or a fault current in the high-voltage circuit by an opening/closing operation of the circuit breaker. In order to protect and isolate the circuit breaker, a switch cabinet is usually additionally arranged on the periphery of the circuit breaker in practical application. The opening/closing operation of the circuit breaker is realized by changing the direction and the acting point of the force through the transmission part of the operating mechanism. When the opening circuit of the breaker breaks down, the breaker cannot be opened no matter the remote control opening or the local opening, namely, the breaker has a failure of opening rejection. Although the switch cabinet is provided with the emergency opening button, the breaker is mostly used for a high-voltage circuit, and the personal safety of operators is threatened by manually pressing the emergency opening button. Therefore, in the prior art, a non-pressure non-current fault point isolation mode is usually adopted, namely, the bus is firstly out of service, and then operations such as brake separating, maintenance and the like are carried out. However, the long-time and large-scale power failure caused by the method inevitably brings inconvenience or economic loss to the production and life of users.
SUMMERY OF THE UTILITY MODEL
In view of this, an embodiment of the utility model provides a circuit breaker separating brake auxiliary device is provided to when taking place the circuit breaker and refuse to divide the trouble, the supplementary circuit breaker accomplishes the separating brake operation, and does not bring personal safety hidden danger, economic loss problem.
In order to achieve the above object, the embodiment of the present invention provides the following solutions:
a circuit breaker opening assist device comprising: the brake separating device comprises a base, a connecting panel, a brake separating coil and a connecting rod; wherein,
the base and the connecting panel are connected through the connecting rod; the opening coil is fixed on the connecting panel; the base is fixed on the switch cabinet, and an emergency opening button on the switch cabinet is located in the stroke of the iron core of the opening coil.
Preferably, the base and the connecting rod can specifically adopt a magnetic gauge stand, and the magnetic gauge stand is fixed on the switch cabinet through magnetic force.
Preferably, the connecting panel is made of a hot-dip galvanized flat steel plate with the thickness of 6 mm.
Preferably, the opening coil is fixed on the connecting panel by screws.
According to the above technical scheme, the utility model discloses utilize the characteristic of coil circular telegram back iron core action, press the urgent separating brake button of circuit breaker through the iron core of separating brake coil, can easily realize the circuit breaker separating brake when the circuit breaker takes place to refuse to divide the trouble. The utility model has simple structure, convenient operation and no threat to the personal safety of operators; and the bus does not need to be out of service, thereby avoiding the economic loss caused by long-time and large-range power failure.
Drawings
Fig. 1 is a schematic structural diagram of an opening auxiliary device of a circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an auxiliary device for opening a circuit breaker according to another embodiment of the present invention;
fig. 3 is a schematic view of a connection panel according to an embodiment of the present invention;
fig. 4 is a schematic view of a connection panel according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An embodiment of the utility model provides a circuit breaker separating brake auxiliary device to when the emergence circuit breaker refuses to divide the trouble, supplementary circuit breaker accomplishes the separating brake operation, and does not bring personal safety hidden danger, economic loss problem.
Referring to fig. 1, the embodiment of the present invention provides an auxiliary device for opening a circuit breaker, which is composed of a base 101, a connection panel 102, an opening coil 103 and a connection rod 104. The opening coil 103 is fixed on the connection panel 102, the base 101 is fixed on the switch cabinet 105, and the base 101 and the connection panel 102 are connected through the connection rod 104. In order to ensure that the emergency opening button 106 of the switch cabinet 105 is located within the stroke of the iron core 1031 of the opening coil 103, the connecting rod 104 is a metal rod with a 90 ° bend angle, so that the plane of the base 101 and the plane of the connecting panel 102 are perpendicular.
The power switch of the opening coil 103 may be located in a place remote from the circuit breaker, such as in a control room. The operating principle of the circuit breaker opening auxiliary device is as follows: when the circuit breaker has a disconnection failure, an operator can immediately close a power switch of the tripping coil 103, and the tripping coil 103 generates magnetic flux after being electrified, so that the iron core 105 acts to hit the emergency tripping button 106 positioned in the stroke of the iron core 1031, namely, the emergency tripping button 106 is pressed through the iron core 1031, and the circuit breaker is switched off.
According to the above structure and the working principle, the embodiment of the utility model provides an utilize the characteristic that coil circular telegram back iron core moved, press the urgent separating brake button of circuit breaker through the iron core of separating brake coil, can easily realize the circuit breaker separating brake when the circuit breaker takes place to refuse the branch trouble. In addition, the circuit breaker opening auxiliary device provided by the embodiment of the utility model has the advantages of simple structure, convenient operation and no threat to the personal safety of operators; and the bus does not need to be out of service, thereby avoiding the economic loss caused by long-time and large-range power failure.
Referring to fig. 2, another embodiment of the present invention provides an auxiliary device for opening a circuit breaker, which is composed of a magnetic gauge stand 201, a connection panel 202 and an opening coil 203. The opening coil 203 is fixed on the connection panel 202 through screws, and the magnetic gauge stand 201 is provided with a switch 2014 for adjusting magnetic force to control the magnetic gauge stand to be adsorbed on the switch cabinet 204 or to be taken down from the switch cabinet 204. The magnetic watch base is provided with two mutually perpendicular connecting rods, the fixed rod 2011 is fixed on the base of the magnetic watch base 201, and the movable rod 2012 is fixedly connected with the connecting panel 202 and is connected with the fixed rod 2011 through the connector 2013. The connector 2013 can fix the movable rod 2012 at any position of the fixed rod 2011 at any angle, which facilitates the position adjustment of the opening coil 203, so that the emergency opening button 205 can be easily positioned in the stroke of the iron core 2031 of the opening coil 203 under any condition.
The circuit breaker opening auxiliary device provided by the embodiment has the advantages of simple structure and low cost; the magnetic gauge stand has strong adsorption force, so that the device is firmly and reliably adsorbed on the switch cabinet; the switch of the magnetic gauge stand is switched to adjust the magnetism of the magnetic gauge stand, so that the device can be fixedly adsorbed or taken down. The magnetic gauge 201 may be a WCZ-12B type strong vernier magnetic gauge.
In order to ensure the action strength of the iron core, the opening coil 203 is selected to be an opening coil with a rated voltage of 110V and a resistance of 57.7 omega.
In all the embodiments, the connecting panel is preferably a hot-dip galvanized flat steel plate with the thickness of 6 mm. As shown in fig. 3, according to the size of the opening coil, the length of the connection panel is 165mm, the width of the connection panel is 60mm, the connection panel is provided with four fixing holes a, b, c and d, and the inner hexagonal screw penetrates through the fixing holes to fix the opening coil on the connection panel. And a connecting rod mounting hole e is further formed in the connecting panel, and the movable rod of the magnetic gauge stand penetrates through the mounting hole e to be fixedly connected with the connecting panel. In view of the diversification of the operating mechanism of the circuit breaker, the fixing position of the opening coil on the connection panel may need to be adjusted. For this purpose, two (or more) fixing holes may be added to the adjacent positions of the four fixing holes a, b, c and d, as shown in fig. 4, a1, b1, c1, d1, a2, b2, c2 and d 2.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. A circuit breaker opening auxiliary device is characterized by comprising: the brake separating device comprises a base, a connecting panel, a brake separating coil and a connecting rod; wherein,
the base and the connecting panel are connected through the connecting rod; the opening coil is fixed on the connecting panel; the base is fixed on the switch cabinet, and an emergency opening button on the switch cabinet is located in the stroke of the iron core of the opening coil.
2. The device of claim 1, wherein the base and the connecting rod are magnetic bases, and the magnetic bases are fixed on the switch cabinet by magnetic force.
3. The device of claim 1, wherein the connection panel is a hot-dip galvanized flat steel sheet with a thickness of 6 mm.
4. The device of claim 1, wherein the opening coil is fixed on the connection panel by a screw.
CN 201220570017 2012-10-31 2012-10-31 Circuit breaker opening auxiliary device Expired - Lifetime CN202855670U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220570017 CN202855670U (en) 2012-10-31 2012-10-31 Circuit breaker opening auxiliary device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220570017 CN202855670U (en) 2012-10-31 2012-10-31 Circuit breaker opening auxiliary device

Publications (1)

Publication Number Publication Date
CN202855670U true CN202855670U (en) 2013-04-03

Family

ID=47986839

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220570017 Expired - Lifetime CN202855670U (en) 2012-10-31 2012-10-31 Circuit breaker opening auxiliary device

Country Status (1)

Country Link
CN (1) CN202855670U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103715031A (en) * 2013-12-30 2014-04-09 广东电网公司中山供电局 Opening system of breaker of switch cabinet
CN109036886A (en) * 2018-08-27 2018-12-18 贵州电网有限责任公司 A kind of 10kV switchgear separating brake structure
CN112700981A (en) * 2020-11-23 2021-04-23 深圳供电局有限公司 Backup brake separating device of switch cabinet and control method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103715031A (en) * 2013-12-30 2014-04-09 广东电网公司中山供电局 Opening system of breaker of switch cabinet
CN109036886A (en) * 2018-08-27 2018-12-18 贵州电网有限责任公司 A kind of 10kV switchgear separating brake structure
CN112700981A (en) * 2020-11-23 2021-04-23 深圳供电局有限公司 Backup brake separating device of switch cabinet and control method thereof

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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: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY WENZHOU

Free format text: FORMER OWNER: WENZHOU POWER SUPPLY BUREAU STATE ELECTRIC NET CROP.

Effective date: 20131230

Owner name: STATE ELECTRIC NET CROP.

Free format text: FORMER OWNER: RUIAN ELECTRIC POWER CO., LTD.

Effective date: 20131230

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 325200 WENZHOU, ZHEJIANG PROVINCE TO: 100031 XICHENG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20131230

Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Patentee after: State Grid Corporation of China

Patentee after: STATE GRID ZHEJIANG ELECTRIC POWER Co.

Patentee after: WENZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.

Patentee after: State Grid Zhejiang Ruian Power Supply Co.,Ltd.

Address before: The town of Anyang city of Wenzhou province Zhejiang Wansong road 325200 No. 150.

Patentee before: RUIAN ELECTRIC POWER Co.,Ltd.

Patentee before: Wenzhou Electric Power Bureau

Patentee before: State Grid Corporation of China

CX01 Expiry of patent term

Granted publication date: 20130403

CX01 Expiry of patent term