CN103996989A - 450 mm-wide small switch cabinet - Google Patents
450 mm-wide small switch cabinet Download PDFInfo
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- CN103996989A CN103996989A CN201410252693.3A CN201410252693A CN103996989A CN 103996989 A CN103996989 A CN 103996989A CN 201410252693 A CN201410252693 A CN 201410252693A CN 103996989 A CN103996989 A CN 103996989A
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- switch
- support plate
- breaker
- chamber
- current transformer
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000001012 protector Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a 450 mm-wide small switch cabinet and relates to a switch cabinet. According to the 450 mm-wide small switch cabinet, an insulation plate and a support plate are fixed on a shell, the switch cabinet is divided into three chambers, namely a bus chamber, a circuit breaker chamber and a cable chamber from top to bottom in sequence, by the insulation plate and the support plate, a disconnecting switch and a wall bushing are installed in the bus chamber, a vacuum circuit breaker and an operation mechanism are located in the circuit breaker chamber and installed on the support plate, a current transformer penetrates through the support plate, an earthing switch and an overvoltage protector are installed in the cable chamber, a primary loop of the vacuum circuit breaker is connected with the disconnecting switch and the current transformer through copper bars, one end of an operation connecting lever of the operation mechanism is connected with a transmission connecting lever of the disconnecting switch through a connecting rod, and the other end of the operation connecting lever of the operation mechanism is connected with a transmission connecting lever of the earthing switch. According to the 450 mm-wide small switch cabinet, the size of the switch cabinet is reduced greatly, the primary conductive loop is shortened greatly, the resistance of a major loop is reduced, the occupied area is reduced, cost is saved, and requirements for miniaturization of power distribution equipment are met.
Description
Technical field
What the present invention relates to is a kind of switch cubicle, is specifically related to the wide miniaturization switch cubicle of a kind of 450mm.
Background technology
Existing switch cubicle exists bulky, complex structure, degree of protection is low, the problems such as operation interlocking is complicated and unreliable, as: existing KYN28 intermediate switchgear cabinet, its cabinet is wide larger, exists and is connected the problems such as unreliable, fragile, temperature rise is higher with the one-time contact of circuit breaker docking, has a strong impact on the requirement of reliability, fail safe and the controller switching equipment miniaturization of distribution system.As: the miniaturization structure of the disclosed a kind of KYN28 central switch cabinet of patent announcement number: 203536842U, though above problem is optimized, but still can not deal with problems.And for example: patent announcement number: the disclosed a kind of miniaturization fixed switching cabinet of 102916352A, though structurally carried out new arrangement and adjustment, but the insulating element of its isolating switch, lightning arrester are arranged on cabinet side, take larger space, and the vacuum circuit-breaker of its use, operating mechanism volume is larger, interlocks imperfect, still fail effectively to control cabinet width, especially fail to reach the requirement of the wide 450mm of cabinet.
Summary of the invention
For the deficiency existing in prior art, the present invention seeks to be to provide the wide miniaturization switch cubicle of a kind of 450mm, dwindled greatly switch cubicle volume, primary conductive loop is shortened greatly, when reducing major loop resistance, reduced floor space, cost-saving, realize the requirement of controller switching equipment miniaturization.
To achieve these goals, the present invention realizes by the following technical solutions: the wide miniaturization switch cubicle of a kind of 450mm, comprise housing, isolating switch, side-installed vacuum circuit breaker, operating mechanism, current transformer, earthed switch, overvoltage protection device, insulation board and support plate, insulation board and support plate are fixed on housing, insulation board and support plate are divided into three chambers by switch cubicle, be respectively bus-bar room, breaker chamber, cable chamber from top to bottom, isolating switch, wall bushing are arranged on bus-bar room; Vacuum circuit-breaker, operating mechanism are located at breaker chamber, are arranged on support plate; Current transformer runs through support plate setting; Earthed switch, overvoltage protection device are arranged on cable chamber; The primary circuit of vacuum circuit-breaker is connected with isolating switch, current transformer by copper bar; Operation connecting lever one end of operating mechanism is connected with the transmission crank arm of isolating switch by connecting rod, and the other end is connected with the transmission crank arm of earthed switch by connecting rod.Operating operation mechanism, can realize isolating switch combined floodgate, grounding switch tripping counterclockwise, and operation can realize isolating switch separating brake clockwise, earthed switch closes a floodgate.Earthed switch is fixed on the left plate of housing, and its conductive seat is connected with current transformer, overvoltage protection device.Wall bushing is arranged on the right plate of housing, and horizontal bus is connected with the upper outlet copper bar seat of isolating switch through wall bushing; When also cabinet is installed, between two switch cubicles, primary circuit connects by horizontal bus, and wall bushing runs through two sides switch cabinet shell body, has guaranteed the insulation between primary circuit and housing.
As preferably, described earthed switch comprises blocking lever, ground connection interlocking band and draw-in groove bent plate, blocking lever is threaded connection and is arranged on interlocking band, and ground connection interlocking band is fixed on the operating axis of earthed switch, and draw-in groove bent plate is fixed on back door, when grounding switch tripping, blocking lever in draw-in groove bent plate, cannot be opened back door by clamping stagnation, after earthed switch closes a floodgate, blocking lever turns an angle and departs from draw-in groove bent plate, and back door can be opened.
As preferably, the width of described side-installed vacuum circuit breaker is 210mm.
Beneficial effect of the present invention: by the improvement in all directions to existing vacuum circuit-breaker, isolating switch, operating mechanism, provide a kind of width to only have 450mm, the degree of depth to only have the miniaturization switch cubicle of 1m, dwindled greatly switch cubicle volume, primary conductive loop is shortened greatly, when reducing major loop resistance, reduced floor space, cost-saving, realize the requirement of controller switching equipment miniaturization.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, describe the present invention in detail;
Fig. 1 is right view of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is partial enlarged view of the present invention;
Fig. 4 is partial schematic diagram of the present invention;
Fig. 5 is inner schematic perspective view of the present invention;
Fig. 6 is that schematic perspective view is amplified in the part of the A of Fig. 5.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
With reference to Fig. 1-6, this embodiment is by the following technical solutions: the wide miniaturization switch cubicle of a kind of 450mm, comprise housing 1, isolating switch 2, side-installed vacuum circuit breaker 3, operating mechanism 4, current transformer 5, earthed switch 6, overvoltage protection device 7, insulation board 8 and support plate 9, insulation board 8 and support plate 9 are fixed on housing 1, insulation board 8 and support plate 9 are divided into three chambers by switch cubicle, be respectively bus-bar room S1, breaker chamber S2, cable chamber S3 from top to bottom, isolating switch 2, wall bushing 10 are arranged on bus-bar room S1; Vacuum circuit-breaker 3, operating mechanism 4 are located at breaker chamber S2, are arranged on support plate 9; Current transformer 5 runs through support plate 9 and arranges; Earthed switch 6, overvoltage protection device 7 are arranged on cable chamber S3; The primary circuit of vacuum circuit-breaker 3 is connected with isolating switch 2, current transformer 5 by copper bar; Operation connecting lever 4-1 one end of operating mechanism 4 is connected with the transmission crank arm 2-1 of isolating switch 2 by connecting rod, and the other end is connected with the transmission crank arm of earthed switch 6 by connecting rod.Operating operation mechanism 4, can realize isolating switch combined floodgate, grounding switch tripping counterclockwise, and operation can realize isolating switch separating brake clockwise, earthed switch closes a floodgate.Earthed switch 6 is fixed on the left plate 1-1 of housing 1, and its conductive seat 6-3 is connected with current transformer 5, overvoltage protection device 7.Wall bushing 10 is arranged on the right plate 1-2 of housing 1, and horizontal bus 11 is connected with the upper outlet copper bar seat 2-2 of isolating switch 2 through wall bushing 10; When also cabinet is installed, between two switch cubicles, primary circuit connects by horizontal bus 11, and wall bushing 10 runs through two sides switch cabinet shell body, has guaranteed the insulation between primary circuit and housing.
The operating mechanism 4 that this embodiment is used by with circuit breaker, cabinet door, and the cooperation of self, there is comprehensive interlocking: 1, after breaker closing, breaker main shaft interlocking connecting lever 13 presses the blocking lever 4-2 of operating mechanism 4, operating mechanism gathering hole is blocked, and guaranteeing when breaker closing state can not disconnecting switch operation and earthed switch;
2, welding interlocking bent plate 12 is arranged under switch cubicle on Qianmen by screw, after under switch cubicle, Qianmen is closed, welding interlocking bent plate 12 promotes the gate interlock overhead plate 4-3 of operating mechanisms, makes its opening operation mouth, and guaranteeing in the situation that cabinet door is opened can not disconnecting switch operation and earthed switch;
3, after isolating switch combined floodgate grounding switch tripping, the plate 4-4 that locks a door of operating mechanism stretches in welding interlocking bent plate 12, and cabinet door can not be opened, and as emergency, the mounting screw of welding interlocking bent plate can only be removed to open cabinet door.
The operation principle of this embodiment:
1. normal power supply state: electric current is connected to isolating switch through horizontal bus, passes through successively vacuum circuit-breaker, current mutual inductor overvoltage protector, finally by electric current outlet to power consumption equipment;
2. operation has a power failure: vacuum circuit-breaker cuts off primary circuit electric current after obtaining separating brake order, and the handle hole of manual unlocking operating mechanism, clockwise rotates operating mechanism with Special operating handle, makes isolating switch separating brake, and earthed switch closes a floodgate; At this moment isolating switch separating brake is isolated bus, earthed switch combined floodgate ground connection, and front rear cabinet door, in ground state, can be opened in primary circuit, carries out service work;
3. power transmission operation: after front rear cabinet door is closed, handle hole that can opening operation mechanism, with Special operating handle, clockwise rotate operating mechanism, isolating switch is closed a floodgate, grounding switch tripping, at this moment isolating switch is connected circuit breaker with bus, and earthed switch is separated from primary circuit, vacuum circuit-breaker is closed a floodgate, primary circuit conducting.
This embodiment is by the improvement in all directions to existing vacuum circuit-breaker, isolating switch, operating mechanism, provide a kind of width to only have 450mm, the degree of depth to only have the miniaturization switch cubicle of 1m, dwindled greatly switch cubicle volume, primary conductive loop is shortened greatly, when reducing major loop resistance, reduced floor space, cost-saving, realize the requirement of controller switching equipment miniaturization.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. the wide miniaturization switch cubicle of 450mm, it is characterized in that, comprise housing (1), isolating switch (2), side-installed vacuum circuit breaker (3), operating mechanism (4), current transformer (5), earthed switch (6), overvoltage protection device (7), insulation board (8) and support plate (9), insulation board (8) and support plate (9) are fixed on housing (1), insulation board (8) and support plate (9) are divided into three chambers by switch cubicle, respectively bus-bar room (S1) from top to bottom, breaker chamber (S2), cable chamber (S3), isolating switch (2), wall bushing (10) is arranged on bus-bar room (S1), vacuum circuit-breaker (3), operating mechanism (4) are located at breaker chamber (S2), are arranged on support plate (9), current transformer (5) runs through support plate (9) setting, earthed switch (6), overvoltage protection device (7) are arranged on cable chamber (S3), the primary circuit of vacuum circuit-breaker (3) is connected with isolating switch (2), current transformer (5) by copper bar, operation connecting lever (4-1) one end of operating mechanism (4) is connected with the transmission crank arm (2-1) of isolating switch (2) by connecting rod, and the other end is connected with the transmission crank arm of earthed switch (6) by connecting rod, earthed switch (6) is fixed on the left plate (1-1) of housing (1), and the conductive seat (6-3) of earthed switch (6) is connected with current transformer (5), overvoltage protection device (7), wall bushing (10) is arranged on the right plate (1-2) of housing (1), and horizontal bus (11) is connected with the upper outlet copper bar seat (2-2) of isolating switch (2) through wall bushing (10).
2. the wide miniaturization switch cubicle of a kind of 450mm according to claim 1, it is characterized in that, described earthed switch (6) comprises blocking lever (6-1), ground connection interlocking band (6-2) and draw-in groove bent plate (6-3), blocking lever (6-1) is threaded connection and is arranged on interlocking band (6-2), ground connection interlocking band (6-2) is fixed on the operating axis of earthed switch, and draw-in groove bent plate (6-3) is fixed on back door.
3. the wide miniaturization switch cubicle of a kind of 450mm according to claim 1, is characterized in that, the width of described side-installed vacuum circuit breaker (3) is 210mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410252693.3A CN103996989A (en) | 2014-06-10 | 2014-06-10 | 450 mm-wide small switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410252693.3A CN103996989A (en) | 2014-06-10 | 2014-06-10 | 450 mm-wide small switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103996989A true CN103996989A (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410252693.3A Pending CN103996989A (en) | 2014-06-10 | 2014-06-10 | 450 mm-wide small switch cabinet |
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| CN (1) | CN103996989A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269766A (en) * | 2014-10-23 | 2015-01-07 | 何华斌 | Miniaturized switch cabinet of handcart type |
| CN104319133A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Switch cabinet having interlocking function |
| CN104319131A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Switching cabinet interlocking mechanism |
| CN105846334A (en) * | 2016-03-29 | 2016-08-10 | 梁作鹏 | Drawable small-sized switch cabinet |
| CN109524912A (en) * | 2018-12-29 | 2019-03-26 | 宁波天安智能电网科技股份有限公司 | An integrated circuit breaker and switch cabinet |
| CN110011195A (en) * | 2019-05-05 | 2019-07-12 | 四川达卡电气有限公司 | A kind of 40.5kV switchgear for high altitude localities |
| CN113161172A (en) * | 2021-05-08 | 2021-07-23 | 江苏洛云电力科技有限公司 | Interlocking mechanism for circuit breaker operating mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2528133Y (en) * | 2001-12-06 | 2002-12-25 | 宁波天安（集团）股份有限公司 | Fixed indoor metal enclosed switch equipment |
| CN202004321U (en) * | 2011-01-02 | 2011-10-05 | 山东鲁亿通智能电气股份有限公司 | Side-mounted fixed metal sealing switch device |
| CN102403141A (en) * | 2011-11-24 | 2012-04-04 | 山东泰开成套电器有限公司 | An interlocking mechanism between the rear door of the switch cabinet and the grounding switch |
| CN202721380U (en) * | 2012-08-14 | 2013-02-06 | 河北箱变电器有限公司 | High-voltage alternating-current vacuum switchgear using solid insulation sealing assembly |
| CN203367079U (en) * | 2013-07-12 | 2013-12-25 | 浙江上美输配电有限公司 | Interlocking device of rear door and grounding switch of high voltage switch cabinet |
-
2014
- 2014-06-10 CN CN201410252693.3A patent/CN103996989A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2528133Y (en) * | 2001-12-06 | 2002-12-25 | 宁波天安（集团）股份有限公司 | Fixed indoor metal enclosed switch equipment |
| CN202004321U (en) * | 2011-01-02 | 2011-10-05 | 山东鲁亿通智能电气股份有限公司 | Side-mounted fixed metal sealing switch device |
| CN102403141A (en) * | 2011-11-24 | 2012-04-04 | 山东泰开成套电器有限公司 | An interlocking mechanism between the rear door of the switch cabinet and the grounding switch |
| CN202721380U (en) * | 2012-08-14 | 2013-02-06 | 河北箱变电器有限公司 | High-voltage alternating-current vacuum switchgear using solid insulation sealing assembly |
| CN203367079U (en) * | 2013-07-12 | 2013-12-25 | 浙江上美输配电有限公司 | Interlocking device of rear door and grounding switch of high voltage switch cabinet |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269766A (en) * | 2014-10-23 | 2015-01-07 | 何华斌 | Miniaturized switch cabinet of handcart type |
| CN104319133A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Switch cabinet having interlocking function |
| CN104319131A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Switching cabinet interlocking mechanism |
| CN105846334A (en) * | 2016-03-29 | 2016-08-10 | 梁作鹏 | Drawable small-sized switch cabinet |
| CN109524912A (en) * | 2018-12-29 | 2019-03-26 | 宁波天安智能电网科技股份有限公司 | An integrated circuit breaker and switch cabinet |
| CN109524912B (en) * | 2018-12-29 | 2023-09-05 | 宁波天安智能电网科技股份有限公司 | Integrated circuit breaker and switch cabinet |
| CN110011195A (en) * | 2019-05-05 | 2019-07-12 | 四川达卡电气有限公司 | A kind of 40.5kV switchgear for high altitude localities |
| CN113161172A (en) * | 2021-05-08 | 2021-07-23 | 江苏洛云电力科技有限公司 | Interlocking mechanism for circuit breaker operating mechanism |
| CN113161172B (en) * | 2021-05-08 | 2023-09-22 | 江苏洛凯机电股份有限公司 | Interlocking mechanism for breaker operating mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140820 |