CN204558348U - Combined vacuum breaker - Google Patents

Combined vacuum breaker Download PDF

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Publication number
CN204558348U
CN204558348U CN201520273251.7U CN201520273251U CN204558348U CN 204558348 U CN204558348 U CN 204558348U CN 201520273251 U CN201520273251 U CN 201520273251U CN 204558348 U CN204558348 U CN 204558348U
Authority
CN
China
Prior art keywords
current transformer
base
contact
vacuum breaker
insulating sleeve
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
CN201520273251.7U
Other languages
Chinese (zh)
Inventor
郑希清
陈庆楷
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 BRWOR ELECTRIC CO Ltd
Original Assignee
ZHEJIANG BRWOR ELECTRIC 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 ZHEJIANG BRWOR ELECTRIC CO Ltd filed Critical ZHEJIANG BRWOR ELECTRIC CO Ltd
Priority to CN201520273251.7U priority Critical patent/CN204558348U/en
Application granted granted Critical
Publication of CN204558348U publication Critical patent/CN204558348U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of combined vacuum breaker.It is characterized in that: base is provided with insulator, current transformer, contact box, and insulator is provided with lower wire end, and is connected with current transformer; Contact box comprises insulating sleeve, the barrier box of transverse arrangement of turbo, is provided with vacuum tube, vacuum conductive strips, insulated tension pole in insulating sleeve; Barrier box is arranged on one end of insulating sleeve, and is provided with fixed contact, isolation knife, and fixed contact is connected with leading-out terminal, isolation knife one end and barrier box hinged, and be electrically connected with vacuum tube, the other end is provided with the moving contact corresponding with fixed contact; Current transformer one end is connected with vacuum conductive strips by busbar.Its advantage be sub-module design, easy to assembly.

Description

Combined vacuum breaker
Technical field
The utility model relates to a kind of vacuum circuit-breaker, is specifically related to a kind of combined vacuum breaker.
Background technology
Vacuum circuit-breaker is one of switchgear common in electrical system, its structure mainly comprises operating mechanism, is built-in with the arc control device unit of current transformer and transmission mechanism etc., due to existing vacuum circuit-breaker to have point, closing speed is fast, compact conformation, can fast and effeciently control the features such as the break-make of electrical system, therefore be widely used among various high-voltage electric system.
Existing vacuum circuit-breaker generally adopts the pole vertically arranged, be embedded in pole by numerous conductive parts relevant with circuit breaker for vacuum interrupter, its assembly difficulty is large simultaneously.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of combined vacuum breaker, sub-module design, easy to assembly.
The technical scheme that the utility model adopts: a kind of combined vacuum breaker, comprises base, operating system; Described base is provided with insulator, current transformer, contact box; Described insulator is provided with lower wire end, and is connected with current transformer;
Described contact box comprises insulating sleeve, the barrier box of transverse arrangement of turbo, is provided with vacuum tube, vacuum conductive strips, insulated tension pole in described insulating sleeve; Described barrier box is arranged on one end of insulating sleeve, and is provided with fixed contact, isolation knife, and described fixed contact is connected with leading-out terminal, described isolation knife one end and barrier box hinged, and be electrically connected with vacuum tube, the other end is provided with the moving contact corresponding with fixed contact; Described current transformer one end is connected with vacuum conductive strips by busbar.
Be integrally formed with the supporting seat for supports insulative sleeve outside described insulating sleeve, described supporting seat and base removably connect.
Be provided with bolt hole bottom described supporting seat, described supporting seat and base are bolted.
The outer wall that described insulating sleeve is provided with vacuum tube one end is provided with insulation full skirt.
Be integrally formed with the leg for supporting current transformer outside described current transformer, described leg and base removably connect.
Be provided with bolt hole bottom described leg, described leg and base are bolted.
Described current transformer two ends are provided with increasing and climb full skirt.
Described fixed contact is Mume flower contact.
Described base is also provided with grounded bracket, and described grounded bracket is connected with lower wire end.
The beneficial effects of the utility model are: adopt above scheme, adopt sub-module Unit Design, are divided into multiple parts such as insulator, current transformer, contact box, and be interconnected, can install in advance by modules, simplify the assembling of intermodule, assemble convenient, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the utility model example structure schematic diagram.
Fig. 2 is the generalized section of the utility model embodiment current transformer and contact box.
Fig. 3 is the structural representation of the utility model embodiment insulating cylinder.
Fig. 4 is the structural representation of the utility model embodiment barrier box.
Fig. 5 is the structural representation of the utility model embodiment current transformer.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further: as shown in the figure, a kind of combined vacuum breaker, comprises base 1, operating system 2; Described base 1 is provided with insulator 5, current transformer 4, contact box 3, and described insulator 5 is provided with lower wire end 6, and is connected with current transformer 4; Described contact box 3 comprises insulating sleeve 31, the barrier box 32 of transverse arrangement of turbo, is provided with vacuum tube 7, vacuum conductive strips 8, insulated tension pole 9 in described insulating sleeve 31; Described barrier box 32 is arranged on one end of insulating sleeve 31, and be provided with fixed contact 10, isolation knife 11, described fixed contact 10 is connected with leading-out terminal 12, described isolation knife 11 one end and barrier box 32 hinged, and be electrically connected with vacuum tube 7, the other end is provided with the moving contact 13 corresponding with fixed contact 10; Described current transformer 4 one end is connected with vacuum conductive strips 8 by busbar 14, and described base 1 is also provided with grounded bracket 15, and described grounded bracket 15 is connected with lower wire end 6.
By multiple parts such as insulator, current transformer, contact boxs by the design of module subdivision, be arranged on successively on base, wherein modules can be installed in advance, all be arranged in pole relative to original, simplify the assembling of module, make assembling convenient, enhance productivity.
The supporting seat 311 for supports insulative sleeve 31 is integrally formed with outside described insulating sleeve 31, bolt hole is provided with bottom described supporting seat 311, described supporting seat 311 is bolted with base 1, the outer leg 41 be also integrally formed with for supporting current transformer 4 of described current transformer 4, be provided with bolt hole bottom described leg 41, described leg 41 is bolted with base 1, and insulating sleeve 31 and current transformer 4 are all arranged on base by bolt, dismounting is convenient, is convenient to maintenance simultaneously.
In addition, in Mume flower contact, there is gap between contact and contact in described fixed contact 10, is convenient to heat radiation, and the structure of many contacts can improve its current carrying capability, better effects if simultaneously.
The outer wall that described insulating sleeve 31 is provided with vacuum tube 7 one end is provided with insulation full skirt 312, and described current transformer 4 two ends are provided with increasing and climb full skirt 42, and the structure of full skirt can increase creepage distance, improve security performance.

Claims (9)

1. a combined vacuum breaker, comprises base (1), operating system (2); It is characterized in that: described base (1) is provided with insulator (5), current transformer (4), contact box (3),
Described insulator (5) is provided with lower wire end (6), and is connected with current transformer (4);
Described contact box (3) comprises insulating sleeve (31), the barrier box (32) of transverse arrangement of turbo, is provided with vacuum tube (7), vacuum conductive strips (8), insulated tension pole (9) in described insulating sleeve (31); Described barrier box (32) is arranged on one end of insulating sleeve (31), and be provided with fixed contact (10), isolation knife (11), described fixed contact (10) is connected with leading-out terminal (12), described isolation knife (11) one end and barrier box (32) hinged, and be electrically connected with vacuum tube (7), the other end is provided with the moving contact (13) corresponding with fixed contact (10);
Described current transformer (4) one end is connected with vacuum conductive strips (8) by busbar (14).
2. combined vacuum breaker according to claim 1, is characterized in that: be integrally formed with the supporting seat (311) for supports insulative sleeve (31) outside described insulating sleeve (31), and described supporting seat (311) and base (1) removably connect.
3. combined vacuum breaker according to claim 2, is characterized in that: described supporting seat (311) bottom is provided with bolt hole, and described supporting seat (311) and base (1) are bolted.
4. combined vacuum breaker according to claim 3, is characterized in that: the outer wall that described insulating sleeve (31) is provided with vacuum tube (7) one end is provided with insulation full skirt (312).
5. combined vacuum breaker according to claim 1, is characterized in that: be integrally formed with the leg (41) for supporting current transformer (4) outside described current transformer (4), and described leg (41) and base (1) removably connect.
6. combined vacuum breaker according to claim 5, is characterized in that: described leg (41) bottom is provided with bolt hole, and described leg (41) and base (1) are bolted.
7. combined vacuum breaker according to claim 6, is characterized in that: described current transformer (4) two ends are provided with increasing and climb full skirt (42).
8. combined vacuum breaker according to claim 1, is characterized in that: described fixed contact (10) is in Mume flower contact.
9. combined vacuum breaker according to claim 1, is characterized in that: described base (1) is also provided with grounded bracket (15), and described grounded bracket (15) is connected with lower wire end (6).
CN201520273251.7U 2015-04-30 2015-04-30 Combined vacuum breaker Expired - Fee Related CN204558348U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520273251.7U CN204558348U (en) 2015-04-30 2015-04-30 Combined vacuum breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520273251.7U CN204558348U (en) 2015-04-30 2015-04-30 Combined vacuum breaker

Publications (1)

Publication Number Publication Date
CN204558348U true CN204558348U (en) 2015-08-12

Family

ID=53833431

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520273251.7U Expired - Fee Related CN204558348U (en) 2015-04-30 2015-04-30 Combined vacuum breaker

Country Status (1)

Country Link
CN (1) CN204558348U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106653464A (en) * 2017-01-24 2017-05-10 南通东源电力智能设备有限公司 Circuit breaker
CN106816341A (en) * 2017-03-16 2017-06-09 温州开元集团有限公司 A kind of insulating base and vacuum load switch fuse combined electrical apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106653464A (en) * 2017-01-24 2017-05-10 南通东源电力智能设备有限公司 Circuit breaker
CN106816341A (en) * 2017-03-16 2017-06-09 温州开元集团有限公司 A kind of insulating base and vacuum load switch fuse combined electrical apparatus

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Legal Events

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

Granted publication date: 20150812

Termination date: 20190430

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