CN207993762U - A kind of vacuum circuit breaker - Google Patents

A kind of vacuum circuit breaker Download PDF

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Publication number
CN207993762U
CN207993762U CN201820158201.8U CN201820158201U CN207993762U CN 207993762 U CN207993762 U CN 207993762U CN 201820158201 U CN201820158201 U CN 201820158201U CN 207993762 U CN207993762 U CN 207993762U
Authority
CN
China
Prior art keywords
main support
hole
circuit breaker
connects hole
bellows
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
CN201820158201.8U
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Chinese (zh)
Inventor
李德彬
王艳
宋艳歌
赵加利
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.)
Individual
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Individual
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 Individual filed Critical Individual
Priority to CN201820158201.8U priority Critical patent/CN207993762U/en
Application granted granted Critical
Publication of CN207993762U publication Critical patent/CN207993762U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

The utility model discloses a kind of vacuum circuit breakers,Including main support,Closely it is connected with control panel on the right side of the main support,And the upper right side trepanning of control panel front is provided with cable and connects hole,The cable, which connects hole lower-left end and is provided with disconnecting switch, connects hole,And disconnecting switch connects hole left upper end and is provided with on-load switch and connects hole,The main support bottom end is welded with firm banking,And it is rotatably connected to operating mechanism in the middle part of main support,It is connected with installation part on the left of the firm banking,And lower end is fixedly connected with bellows on the left of main support,The bellows left upper end trepanning has lower wire end,This kind of vacuum circuit breaker,Compared to the conducts current control design case of conventional circuit breaker,Device can be connect hole by the disconnecting switch being provided with and connect hole with on-load switch to be connect with isolated switchgear with load switch equipment individually to be controlled respectively,Facilitate device manipulation of the circuit staff in repair.

Description

A kind of vacuum circuit breaker
Technical field
The utility model is related to switching equipment technology, specially a kind of vacuum circuit breaker.
Background technology
The dielectric of vacuum circuit breaker contact gap after its arc-extinguishing medium and arc extinguishing is gained the name due to being all high vacuum;It has There is the advantages of small, light-weight, not have to maintenance suitable for frequent operation, arc extinguishing, using more universal, vacuum in power distribution network Breaker is the indoor distribution in three-phase alternating current system, for being used as electrical equipment in industrial and mining enterprises, power plant, substation Protection and control be used, especially suitable for requiring the field of employment of non-oil ultra high vacuum system, few maintenance and frequent operation, breaker configurable It is used as control and protection high voltage electric equipment in middle-placed switch cabinet, double-layer cabinet, fixed cabinet.
But it is currently used for the vacuum circuit breaker of protection circuit, ideal working effect can not be reached in actual use, Vacuum circuit breaker existing first cannot be attached in application with circuit master control equipment, need to be moved towards by circuit and final Main line, the certain delay of real-time control presence, while existing equipment are converged into because its contact design structure is simple, at the electric arc beginning Function upward stability is poor, and is not suitable for frequent manipulation and disconnects, and equipment internal part when manipulating closed circuit Mutually transmission, components aging will appear the normal manipulation work for phenomena impair staff of getting stuck after prolonged use.
So how to design a kind of vacuum circuit breaker, becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of vacuum circuit breakers, to solve to propose existing dress in above-mentioned background technology Set stability it is poor, control have retardance, part of appliance easy to aging problem.
To achieve the above object, the utility model provides the following technical solutions:A kind of vacuum circuit breaker, including main support, It closely is connected with control panel on the right side of the main support, and the upper right side trepanning of control panel front is provided with cable and connects hole, it is described Cable, which connects hole lower-left end and is provided with disconnecting switch, connects hole, and disconnecting switch connects hole left upper end and is provided with on-load switch and connects hole, described Main support bottom end is welded with firm banking, and operating mechanism is rotatably connected in the middle part of main support, clamping on the left of the firm banking There is installation part, and lower end is fixedly connected with bellows on the left of main support, the bellows left upper end trepanning has lower wire end, and Bellows top left hand trepanning has upper outlet terminal, contact is provided in the upper outlet terminal, and top is arranged in bellows There is movable axis, rabbeting in the middle part of the bellows has vacuum interrupter, and movable axis lower end is connected with sound conducting rod, described Be socketed with touch spring axis in the middle part of sound conducting rod, and touch spring axis bottom end is welded with drive shaft, in the middle part of the drive shaft on End is closely connected with tripping spring, and drive shaft right end is provided with and is connected and fixed bar.
Further, the disconnecting switch connects hole and is connected in control panel inner wall, and the disconnecting switch connects the input in hole End and the output end of control panel are electrically connected.
Further, the on-load switch connects hole and is connected in control panel inner wall, and the on-load switch connects the input in hole End and the output end of control panel are electrically connected.
Further, spring shaft core is provided in the contact, and the contact is connected in outlet terminal inner wall, and The contact is flexibly connected by spring shaft core with movable axis.
Further, the movable axis insertion is set in bellows, and the movable axis is fixed with sound conducting rod and connected It connects.
Further, it is described be connected and fixed bar with driving shaft connection place be equipped with rotating member, and it is described be connected and fixed bar with drive Moving axis is rotatablely connected by rotating member.
Compared with prior art, the utility model has the beneficial effects that:This kind of vacuum circuit breaker, compared to conventional circuit breaker Conducts current control design case, device can be connect by the disconnecting switch being provided with hole and on-load switch connect hole respectively with disconnecting switch Equipment connect the device manipulation for facilitating circuit staff in repair individually to be controlled with load switch equipment, simultaneously Device uses spring shaft core type contact, can be by the transmission of the position of movable axis and sound conducting rod simultaneously when being closed sound conducting rod Change activity shaft position reaches the function of two-way open circuit to make contact inner spring shaft core extend, and ensure that breaker is breaking Stability when road, and the rotation for being connected and fixed bar and drive shaft that can be internally provided with by device is to prevent part of appliance excessive There is the phenomenon that gets stuck in aging, and further ensures stability when device manipulation.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the internal structure schematic diagram of outlet terminal on the utility model;
Fig. 3 is the internal structure schematic diagram of the utility model lower wire end;
In figure:1- main supports;2- control panels;3- cables connect hole;4- disconnecting switch connects hole;5- on-load switches connect hole;6- Firm banking;7- operating mechanisms;8- installation parts;9- bellowss;10- lower wire end;The upper outlet terminals of 11-;12- contacts;13- Movable axis;14- vacuum interrupters;15- sound conducting rods;16- touch spring axis;17- drive shafts;18- tripping springs;19- connects Connect fixed link.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of vacuum circuit breaker, including main support 1, institute It states 1 right side of main support and is closely connected with control panel 2, and 2 front upper right side trepanning of control panel is provided with cable and meets hole 3, institute It states cable and connects 3 lower-left end of hole and be provided with disconnecting switch and connect hole 4, and disconnecting switch connects 4 left upper end of hole and is provided with on-load switch and connects hole 5,1 bottom end of the main support is welded with firm banking 6, and 1 middle part of main support is rotatably connected to operating mechanism 7, the fixed bottom 6 left side of seat is connected with installation part 8, and 1 left side lower end of main support is fixedly connected with bellows 9,9 left upper end trepanning of the bellows There is lower wire end 10, and 9 top left hand trepanning of bellows has upper outlet terminal 11, is provided in the upper outlet terminal 11 tactile First 12, and top is provided with movable axis 13 in bellows 9,9 middle part interlocking of the bellows has vacuum interrupter 14, and movable axis 13 lower ends are connected with sound conducting rod 15, and 15 middle part of the sound conducting rod is socketed with touch spring axis 16, and contact bullet 16 bottom end of spring axis is welded with drive shaft 17, and 17 middle part upper end of the drive shaft is closely connected with tripping spring 18, and drive shaft 17 Right end, which is provided with, is connected and fixed bar 19.
Further, the disconnecting switch connects hole 4 and is connected in 2 inner wall of control panel, and the disconnecting switch connects the defeated of hole 4 Enter end and the output end of control panel 2 is electrically connected, connecing hole 4 by disconnecting switch can connect with external equipment disconnecting switch system Individually to control the switch of local circuit, improves the applicability of equipment and avoid control delay.
Further, the on-load switch connects hole 5 and is connected in 2 inner wall of control panel, and the on-load switch connects the defeated of hole 5 Enter end and the output end of control panel 2 is electrically connected, connecing hole 5 by on-load switch can connect with external equipment on-load switch system With control process circuit load state, the applicability of equipment is further improved.
Further, spring shaft core is provided in the contact 12, and the contact 12 is connected in outlet terminal 11 Wall, and the contact 12 is flexibly connected by spring shaft core with movable axis 13, can guarantee by contact 12 lossless with circuit Connection and the quick disconnecting circuit of contained spring shaft core energy, improve the job stability of equipment.
Further, the insertion of the movable axis 13 is set in bellows 9, and the movable axis 13 and sound conducting rod 15 It is fixedly connected, can be further increased with the mutually transmission of contact 12 and the closure of fast driving sound conducting rod 15 by movable axis 13 The job stability of equipment.
Further, bar 19 and 17 junction of drive shaft of being connected and fixed is equipped with rotating member, and described is connected and fixed bar 19 are rotatablely connected with drive shaft 17 by rotating member, and the slow-roll stabilization of drive shaft 17 is can guarantee by being connected and fixed bar 19, into one Step improves the job stability of equipment.
Operation principle:This kind of vacuum circuit breaker is ensured the structural soundness of device by main support 1, passes through firm banking 6 Device is installed in circuit arrangement, and is fixed by installation part 8, drive shaft 17 is fixed by being connected and fixed bar 19, passes through electricity Cable connects hole 3 and is connect with control circuit, and hole 4 can be connect by disconnecting switch and is individually connect with isolated switchgear, can be opened by load Pass connects hole 5 and is individually connect with load switch equipment, when device works, by the way that cable and upper outlet terminal 11 and lower wire end is sub Contact 12 connects in 10, ensures that the insulating properties and moisture resistance of device case, circuit personnel can be by controlling actuating by bellows 9 Mechanism 7 rotates, and so that movable axis 13 is rotated by the rotation of operating mechanism 7, and sound conducting rod 15 is in vacuum interrupter when rear It is detached in 14, and avoids electric arc when short circuit from damaging device by vacuum interrupter 14, ensure entirely to manipulate by tripping spring 18 Process is smooth.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of vacuum circuit breaker, including main support (1), it is characterised in that:Closely it is connected with control on the right side of the main support (1) Panel (2), and control panel (2) front upper right side trepanning is provided with cable and connects hole (3), the cable connects hole (3) lower-left end and sets It is equipped with disconnecting switch and connects hole (4), and disconnecting switch connects hole (4) left upper end and is provided with on-load switch and connects hole (5), the main support (1) bottom end is welded with firm banking (6), and is rotatably connected to operating mechanism (7), the firm banking (6) in the middle part of main support (1) Left side is connected with installation part (8), and lower end is fixedly connected with bellows (9), bellows (9) upper left on the left of main support (1) End trepanning has lower wire end (10), and bellows (9) top left hand trepanning has upper outlet terminal (11), the upper outlet terminal (11) contact (12) is provided in, and bellows (9) interior top is provided with movable axis (13), rabbets in the middle part of the bellows (9) There is vacuum interrupter (14), and movable axis (13) lower end is connected with sound conducting rod (15), the sound conducting rod (15) Middle part is socketed with touch spring axis (16), and touch spring axis (16) bottom end is welded with drive shaft (17), the drive shaft (17) Middle part upper end is closely connected with tripping spring (18), and drive shaft (17) right end is provided with and is connected and fixed bar (19).
2. a kind of vacuum circuit breaker according to claim 1, it is characterised in that:The disconnecting switch connects hole (4) and is connected in Control panel (2) inner wall, and the disconnecting switch connects the input terminal in hole (4) and the output end electric connection of control panel (2).
3. a kind of vacuum circuit breaker according to claim 1, it is characterised in that:The on-load switch connects hole (5) and is connected in Control panel (2) inner wall, and the on-load switch connects the input terminal in hole (5) and the output end electric connection of control panel (2).
4. a kind of vacuum circuit breaker according to claim 1, it is characterised in that:It is provided with spring shaft in the contact (12) Core, and the contact (12) is connected in outlet terminal (11) inner wall, and the contact (12) passes through spring shaft core and activity Axis (13) is flexibly connected.
5. a kind of vacuum circuit breaker according to claim 1, it is characterised in that:Movable axis (13) insertion is set to wave In line pipe (9), and the movable axis (13) is fixedly connected with sound conducting rod (15).
6. a kind of vacuum circuit breaker according to claim 1, it is characterised in that:It is described to be connected and fixed bar (19) and drive shaft (17) junction is equipped with rotating member, and the bar (19) that is connected and fixed is rotatablely connected with drive shaft (17) by rotating member.
CN201820158201.8U 2018-01-30 2018-01-30 A kind of vacuum circuit breaker Expired - Fee Related CN207993762U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820158201.8U CN207993762U (en) 2018-01-30 2018-01-30 A kind of vacuum circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820158201.8U CN207993762U (en) 2018-01-30 2018-01-30 A kind of vacuum circuit breaker

Publications (1)

Publication Number Publication Date
CN207993762U true CN207993762U (en) 2018-10-19

Family

ID=63821524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820158201.8U Expired - Fee Related CN207993762U (en) 2018-01-30 2018-01-30 A kind of vacuum circuit breaker

Country Status (1)

Country Link
CN (1) CN207993762U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181019

Termination date: 20190130

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