CN204927171U - Take isolation switch area CT mutual -inductor formula vacuum circuit breaker - Google Patents

Take isolation switch area CT mutual -inductor formula vacuum circuit breaker Download PDF

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Publication number
CN204927171U
CN204927171U CN201520504830.8U CN201520504830U CN204927171U CN 204927171 U CN204927171 U CN 204927171U CN 201520504830 U CN201520504830 U CN 201520504830U CN 204927171 U CN204927171 U CN 204927171U
Authority
CN
China
Prior art keywords
frame
mutual
circuit breaker
isolation knife
vacuum circuit
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 - Fee Related
Application number
CN201520504830.8U
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Chinese (zh)
Inventor
汤智
吴建春
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.)
Jiangyin Yunfeng Electrical Equipment Co Ltd
Original Assignee
Jiangyin Yunfeng Electrical Equipment 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 Jiangyin Yunfeng Electrical Equipment Co Ltd filed Critical Jiangyin Yunfeng Electrical Equipment Co Ltd
Priority to CN201520504830.8U priority Critical patent/CN204927171U/en
Application granted granted Critical
Publication of CN204927171U publication Critical patent/CN204927171U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a take isolation switch area CT mutual -inductor formula vacuum circuit breaker, it mainly by frame, isolation operation axle, spring -operated mechanism, cam interlocking device, go up the static contact, keep apart the sword, the insulator, down the static contact, go up aluminium support, vacuum interrupter, insulation support post, aluminium support, CT mutual -inductor, main conductive copper bar constitute down, keep apart the sword and use about adopting the isolation switch for central holohedral symmetry formula blade structure, the contact surface increase, the contact effect is better, advances terminal outgoing lines and arranges and to change each other from top to bottom, and inlet wire or the conversion of two kinds of different inlet wire modes of inlet wire down on the very convenient realization power have improved vacuum circuit breaker's application range greatly, easily promote, isolation switch part is located that frame left side, circuit breaker vacuum interrupter are located the frame right side, the CT mutual -inductor is located the frame top, and the three links to each other through main conductive copper bar is ingenious, the isolation operation axle can be kept apart and ground connection by the concurrent operation, conveniently realizes isolator, circuit breaker, current transformer, earthing switch integral type structure. Isolator and vacuum interrupter realize the interlocking through cam interlocking device device, and it is more reliable to interlock.

Description

A kind of band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker
Technical field
The utility model relates to a kind of switchgear of electric power system, is specifically related to a kind of band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker.
Background technology
Vacuum circuit-breaker is one of switchgear common in electric power system, at present in 40.5kV system, isolating switch and vacuum circuit-breaker are installed separately, and also need between the two to arrange complicated mechanical interlock mechanism, so just, make the volume of switch cubicle large, complex structure.Along with the upgrading of switchgear, the development trend miniaturized, composite type becomes vacuum circuit-breaker.
Summary of the invention
The utility model relates to a kind of band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker, has compact conformation, compact, can integrate the feature of isolating switch, circuit breaker, current transformer, earthed switch.
The purpose of this utility model is achieved in that a kind of band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker, comprise frame, the both sides of described frame are provided with from top to bottom organizes insulator more, described insulator be arranged in parallel mutually, wherein the front end of the two groups of insulators in the right side is respectively equipped with aluminium supporting seat and lower aluminium supporting seat, vacuum interrupter is provided with between described upper aluminium supporting seat and lower aluminium supporting seat, the front end of two groups of insulators on the left side is respectively equipped with upper static contact and lower fixed contact, the front end of upper static contact is also hinged with isolation knife, described isolation knife adopts holohedral symmetry formula blade structure centered by isolation switch up and down, line terminal board can be exchanged up and down mutually, realize the conversion of power supply upper incoming line or lower inlet wire two kinds of different wire leading methods very easily, also spring operating mechanism is provided with before described frame.
Preferably, described isolation switch part is positioned on the left of frame, breaker vacuum arc control device are positioned on the right side of frame, CT instrument transformer is positioned at above frame, and three is connected by main conducting copper is ingenious.
Preferably, described isolated operation axle can simultaneously operation isolation and ground connection, conveniently realizes isolating switch, circuit breaker, current transformer, earthed switch integral structure.
Preferably, described isolation knife and vacuum interrupter realize interlocking by cam interlocking mechanism device.
The utility model band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker has the following advantages: a kind of isolation knife with isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker adopts holohedral symmetry formula blade structure centered by isolation switch up and down, contact-making surface increases, contact better effects if, line terminal board can be exchanged up and down mutually, realize the conversion of power supply upper incoming line or lower inlet wire two kinds of different wire leading methods very easily, substantially increase the scope of application of vacuum circuit-breaker, be easy to promote; Isolation switch part is positioned on the left of frame, breaker vacuum arc control device are positioned on the right side of frame, CT instrument transformer is positioned at above frame, and three is connected by main conducting copper is ingenious; Isolated operation axle can simultaneously operation isolation and ground connection, conveniently realizes isolating switch, circuit breaker, current transformer, earthed switch integral structure; Isolating switch and vacuum interrupter realize interlocking by cam interlocking mechanism device, interlocks more reliable.
Accompanying drawing explanation
Fig. 1 is the left view of the utility model band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker.
Fig. 2 is the front view of the utility model band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker.
Fig. 3 is the axonometric drawing of the utility model band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker.
In figure: under (1) frame, (2) isolated operation axle, (3) spring operating mechanism, (4) cam interlocking mechanism, (5) upper static contact, (6) isolation knife, (7) insulator, (8), aluminium supporting seat, (13) CT instrument transformer, (14) main conducting copper under aluminium supporting seat, (10) vacuum interrupter, (11) insulating supporting post, (12) is gone up in fixed contact, (9).
Embodiment
As Fig. 1 to Fig. 3, the utility model relates to a kind of band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker, frame that it comprises (1), the both sides of described (1) frame are provided with many groups of (7) insulators from top to bottom, described (7) insulator be arranged in parallel mutually, wherein the front end of two groups of (7) insulators in the right side is respectively equipped with aluminium supporting seat under (9) upper aluminium supporting seat and (12), (10) vacuum interrupter is provided with between aluminium supporting seat under described (9) upper aluminium supporting seat and (12), the front end of two groups of (7) insulators on the left side is respectively equipped with fixed contact under (5) upper static contact and (8), (5) front end of upper static contact is also hinged with (6) isolation knife, described (6) isolation knife adopts holohedral symmetry formula blade structure centered by isolation switch up and down, line terminal board can be exchanged up and down mutually, realize the conversion of power supply upper incoming line or lower inlet wire two kinds of different wire leading methods very easily, (3) spring operating mechanism is also provided with before described (1) frame.
Described (6) isolation switch part is positioned on the left of (1) frame, circuit breaker (10) vacuum interrupter is positioned on the right side of (1) frame, (13) CT instrument transformer is positioned at above (1) frame, and three is connected by (14) main conducting copper is ingenious.
Described (2) isolated operation axle can simultaneously operation isolation and ground connection, conveniently realizes isolating switch, circuit breaker, current transformer, earthed switch integral structure.
Described (6) isolation knife and (10) vacuum interrupter realize interlocking by (4) cam interlocking mechanism device, " five prevent " requirement is ensured by this (4) cam interlocking mechanism, (6) isolation knife after (10) vacuum interrupter separating brake, just can only can carry out breaking-closing operating.
The course of work of this band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker is as follows:
The combined floodgate course of work: first rotate (2) isolated operation axle, (6) isolation knife is closed a floodgate, then press the switch knob on (3) spring operating mechanism, make spring energy discharge rapidly driving (10) vacuum interrupter rapid closing.
The separating brake course of work: first press opening button on (3) spring operating mechanism to drive brake separating mechanism, tripping spring is discharged and drives (10) vacuum interrupter quick acting switching-off, spring completes energy pre-storage, then rotate (2) isolated operation axle, make (6) isolation knife separating brake.

Claims (3)

1. a band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker, it is characterized in that: it comprises frame, the both sides of described frame are provided with from top to bottom organizes insulator more, described insulator be arranged in parallel mutually, wherein the front end of the two groups of insulators in the right side is respectively equipped with aluminium supporting seat and lower aluminium supporting seat, vacuum interrupter is provided with between described upper aluminium supporting seat and lower aluminium supporting seat, the front end of two groups of insulators on the left side is respectively equipped with upper static contact and lower fixed contact, the front end of upper static contact is also hinged with isolation knife, described isolation knife adopts holohedral symmetry formula blade structure centered by isolation switch up and down, line terminal board can be exchanged up and down mutually, realize the conversion of power supply upper incoming line or lower inlet wire two kinds of different wire leading methods very easily, also spring operating mechanism is provided with before described frame.
2. band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker according to claim 1, it is characterized in that: described isolation switch part is positioned on the left of frame, breaker vacuum arc control device are positioned on the right side of frame, CT instrument transformer is positioned at above frame, three is connected by main conducting copper.
3. band isolation knife strap of the brake CT mutual-inductor type vacuum circuit-breaker according to claim 1, is characterized in that: described isolation knife and vacuum interrupter realize interlocking by cam interlocking mechanism device.
CN201520504830.8U 2015-07-10 2015-07-10 Take isolation switch area CT mutual -inductor formula vacuum circuit breaker Expired - Fee Related CN204927171U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520504830.8U CN204927171U (en) 2015-07-10 2015-07-10 Take isolation switch area CT mutual -inductor formula vacuum circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520504830.8U CN204927171U (en) 2015-07-10 2015-07-10 Take isolation switch area CT mutual -inductor formula vacuum circuit breaker

Publications (1)

Publication Number Publication Date
CN204927171U true CN204927171U (en) 2015-12-30

Family

ID=54976279

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520504830.8U Expired - Fee Related CN204927171U (en) 2015-07-10 2015-07-10 Take isolation switch area CT mutual -inductor formula vacuum circuit breaker

Country Status (1)

Country Link
CN (1) CN204927171U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107731619A (en) * 2017-11-14 2018-02-23 宁波天安智能电网科技股份有限公司 A kind of High aititude indoor HVAC combined vacuum breaker
CN116387079A (en) * 2023-06-05 2023-07-04 昆明佰伟科技有限公司 High-voltage isolating switch for high-voltage power transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107731619A (en) * 2017-11-14 2018-02-23 宁波天安智能电网科技股份有限公司 A kind of High aititude indoor HVAC combined vacuum breaker
CN116387079A (en) * 2023-06-05 2023-07-04 昆明佰伟科技有限公司 High-voltage isolating switch for high-voltage power transmission
CN116387079B (en) * 2023-06-05 2023-09-19 浙江勇圣智能科技有限公司 High-voltage isolating switch for high-voltage power transmission

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151230

Termination date: 20160710