CN102347173A - Bypass switch of low-voltage switch fault - Google Patents
Bypass switch of low-voltage switch fault Download PDFInfo
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- CN102347173A CN102347173A CN2011102846764A CN201110284676A CN102347173A CN 102347173 A CN102347173 A CN 102347173A CN 2011102846764 A CN2011102846764 A CN 2011102846764A CN 201110284676 A CN201110284676 A CN 201110284676A CN 102347173 A CN102347173 A CN 102347173A
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- breaker
- electric connector
- plastic casing
- clamping plate
- cable
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- 230000001105 regulatory effect Effects 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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Abstract
The invention relates to a bypass switch of a low-voltage switch fault. The bypass switch comprises a shell, a moulded case circuit breaker, a bus wiring device and a cable wiring device, wherein the moulded case circuit breaker is arranged in the shell, a power-inlet wiring plug of the bus wiring device is connected with an outlet port of the moulded case circuit breaker, and a power transmission wiring plug of the cable wiring device is connected with an inlet port of the moulded case circuit breaker. Compared with the prior art, the bypass switch has the advantages of low installation requirements and quick recovery of power-supply circuit and the like, is carried conveniently, and can replace a fault circuit breaker in box-type transmission temporarily.
Description
Technical field
The present invention relates to a kind of low tension switch, especially relate to a kind of low tension switch failure bypass switch.
Background technology
The circuit breaker that uses during the different casees in different regions become generally is multi-brand and deposits; And the situation that circuit breaker cuts off the power supply because of overload when peak of power consumption; Generation is often arranged; Various brand circuit breaker installation dimensions are not quite similar, and back-up breaker can not be laid in by multi-brand for a long time, and restoring electricity quickly of circuit can't realize.Therefore, be necessary to find a kind of ability to be directed against the by-pass switch that different circuit breakers can both be replaced.
Summary of the invention
The object of the invention be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of easy to carry, installation requirement is low, can be used for substituting the stoppage circuit breaker that case becomes temporarily, recovers the low tension switch failure bypass switch of line powering fast.
The object of the invention can be realized through following technical scheme: a kind of low tension switch failure bypass switch; It is characterized in that; This by-pass switch comprises housing, breaker of plastic casing, bus termination and cable connection device; Described breaker of plastic casing is arranged in the housing, and the electric connector lug that advances of described bus termination is connected with the outlet port of breaker of plastic casing, and the electric connector lug that send of described cable connection device is connected with the inlet wire port of breaker of plastic casing.
Also be provided with two holders on the described housing; A holder is arranged on breaker of plastic casing outlet port; Be used for fixing the electric connector lug of advancing of bus termination, another holder is arranged on breaker of plastic casing inlet wire port, is used for fixing the electric connector lug of sending of cable connection device.
Described bus termination is provided with three, and the outlet port of described breaker of plastic casing is provided with three, and described cable connection device is provided with three, and the inlet wire port of described breaker of plastic casing is provided with three.
Described bus termination comprises operating mechanism, cable and advances electric connector lug, and an end of operating mechanism is connected with bus row, an end of the other end connection cable of operating mechanism, the other end of cable with advance electric connector lug and be connected.
Described operating mechanism comprises support, clamping plate, rotating shaft, regulating wheel, first nut, first spring, second spring, packing ring, second nut and handle; Described support is fixed on the housing, and an end of described rotating shaft is threaded with support, and the other end of rotating shaft is threaded with handle; Described clamping plate are provided with two; Two clamping plate are symmetrical set, and each clamping plate includes stiff end, connecting portion and free end, and the connecting portion of clamping plate is fixed on the support through alignment pin; The stiff end of clamping plate is connected with shell through first spring; Described regulating wheel, first nut, spring, packing ring and second nut are enclosed within the rotating shaft middle part successively, and regulating wheel all contacts with the stiff end of two clamping plate and is connected, and second nut is connected with the handle contact.
The free end of described clamping plate is provided with barb.
Described cable connection device comprises and send electric connector lug, lead and cable connecting terminal, describedly send electric connector lug to be connected with cable connecting terminal through lead.
Described cable connecting terminal comprises conductive plate, joint cover, lock-screw and junction block; Described conductive plate and lead integral type are provided with; Described joint cover passes through screw on conductive plate; Joint cover is provided with step groove, and junction block is arranged in the step groove, and described lock-screw passes the hole that is opened on the conductive plate and is threaded with junction block.
Also be with insulating sleeve on the described cable connecting terminal.
Compared with prior art, the present invention has the following advantages:
1, can be used for substituting the stoppage circuit breaker that case becomes temporarily, recover line powering fast;
2, installation requirement is low, need not install at the original position of stoppage circuit breaker, as long as in case becomes, install in arbitrary space;
3, have two kinds of terminations, can satisfy with circuit in being connected of busbar and cable connecting terminal;
4, easy to carry, two kinds of terminations are detachable in time spent not.
Description of drawings
Fig. 1 is a plan structure sketch map of the present invention;
Fig. 2 is the side-looking structural representation of Fig. 1;
Fig. 3 is the structural representation of cable connection device;
Fig. 4 is the structural representation of bus termination;
Fig. 5 is the A-A cutaway view among Fig. 4;
Fig. 6 is the structural representation of operating assembly;
Fig. 7 is the plan structure sketch map of holder;
Fig. 8 is the side-looking structural representation of holder.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
Like Fig. 1, shown in Figure 2, a kind of low tension switch failure bypass switch, this by-pass switch comprises housing 2, breaker of plastic casing 1, bus termination 3 and cable connection device 4.Breaker of plastic casing 1 is arranged in the housing 2, and the electric connector lug that advances of bus termination 3 is connected with the outlet port of breaker of plastic casing 1, and the electric connector lug that send of cable connection device 4 is connected with the inlet wire port of breaker of plastic casing 1.Also be provided with two holders 5 on the housing 2; A holder is arranged on breaker of plastic casing outlet port; Be used for fixing the electric connector lug of advancing of bus termination 3, another holder is arranged on breaker of plastic casing 1 inlet wire port, is used for fixing the electric connector lug of sending of cable connection device 4.The bus termination is provided with three, and the outlet port of breaker of plastic casing is provided with three, and the cable connection device is provided with three, and the inlet wire port of breaker of plastic casing is provided with three.
The bus termination comprises housing 31, operating mechanism 32, cable 33 and advances electric connector lug 34.Operating mechanism 32 is arranged in the housing 31, and an end of operating mechanism 32 and bus row be connected, an end of the other end connection cable 33 of operating mechanism 32, the other end of cable 33 with advance electric connector lug 34 and be connected.Operating mechanism 32 comprises support 322, clamping plate 323, rotating shaft 324, regulating wheel 325, first nut 326, first spring 321, second spring 327, packing ring 328, second nut 320 and handle 329.Support 322 is fixed on the housing 1; One end of rotating shaft 324 is threaded with support 322; The other end of rotating shaft 324 is threaded with handle 329, and clamping plate 323 are provided with two, and two clamping plate 323 are symmetrical set; Each clamping plate 323 includes stiff end 3231 and free end 3232; The middle part of clamping plate 323 is fixed on the support 322 through alignment pin 330, and the stiff end of clamping plate 323 3231 is connected with shell 31 through first spring 321, and regulating wheel 325, first nut 326, second spring 327, packing ring 328 and second nut 320 are enclosed within rotating shaft 324 middle parts successively; Regulating wheel 325 all contacts with the stiff end 3231 of two clamping plate 323 and is connected, and second nut 320 is connected with handle 329 contacts.The free end 3232 of clamping plate 323 is provided with barb 3233.The electric connector lug that advances of bus termination is connected with the outlet port of breaker of plastic casing, and the operating mechanism of bus termination is connected with bus.When operating mechanism is connected with bus, slide along rotating shaft through rotary handle regulating and controlling wheel, thus the aperture of the stiff end of may command clamping plate, because lever principle, the free end of clamping plate can clamp bus.Owing to the existence of barb is arranged, further can prevent the bus landing.
The cable connection device comprises and send electric connector lug 41, lead 42 and cable connecting terminal 43.Send electric connector lug 41 to be connected with cable connecting terminal 43 through lead 42.Cable connecting terminal 43 comprises conductive plate 431, joint cover 432, lock-screw 433 and junction block 434.Conductive plate 431 and lead 42 integral type settings; Joint cover 432 is fixed on the conductive plate 431 through screw 435; Joint cover 432 is provided with step groove, and junction block 434 is arranged in the step groove, and lock-screw 433 passes the hole that is opened on the conductive plate and is threaded with junction block 434.Also be with insulating sleeve 436 on the cable connecting terminal 43.
Holder comprises stator 51 and moving plate 52; Stator 51 is provided with three first grooves 511; Moving plate 52 is provided with second groove 521, the first grooves 511 and second groove 521 positions identical with first groove, 511 quantity and is complementary, and moving plate 52 is fixed on the stator 51 through screw 53.The cross section of first groove 511 is a semicircular arc, and the cross section of second groove 521 is a semicircular arc.During use, a holder is arranged on breaker of plastic casing outlet port, is used for fixing the electric connector lug of advancing of bus wiring mechanism, a holder is arranged on breaker of plastic casing inlet wire port, is used for fixing the electric connector lug of sending of cable connection mechanism.So just, can attached cable, make cable not receive electrodynamic the influence and wave arbitrarily.
Connection and trip bolt all should be fastening.Operating means and all rotating parts all add less amount of lubrication oil, the lap-joint of the lap-joint of tripping and snap close, lever and tripping, should be coated with low temperature extreme pressure fat.When carrying out breaker operator, break off, closed, trip free and all should put, not have the card phenomenon of stopping when detaining again in place.Low tension switch failure bypass switch should meet company standard Q/ZDK 040.Contact parameter: overtravel >=2.5; Break distance >=23; End pressure >=65N.
Claims (9)
1. low tension switch failure bypass switch; It is characterized in that; This by-pass switch comprises housing, breaker of plastic casing, bus termination and cable connection device; Described breaker of plastic casing is arranged in the housing, and the electric connector lug that advances of described bus termination is connected with the outlet port of breaker of plastic casing, and the electric connector lug that send of described cable connection device is connected with the inlet wire port of breaker of plastic casing.
2. a kind of low tension switch failure bypass switch according to claim 1; It is characterized in that; Also be provided with two holders on the described housing, a holder is arranged on breaker of plastic casing outlet port, is used for fixing the electric connector lug of advancing of bus termination; Another holder is arranged on breaker of plastic casing inlet wire port, is used for fixing the electric connector lug of sending of cable connection device.
3. a kind of low tension switch failure bypass switch according to claim 1; It is characterized in that; Described bus termination is provided with three; The outlet port of described breaker of plastic casing is provided with three, and described cable connection device is provided with three, and the inlet wire port of described breaker of plastic casing is provided with three.
4. a kind of low tension switch failure bypass switch according to claim 1; It is characterized in that; Described bus termination comprises operating mechanism, cable and advances electric connector lug; One end of operating mechanism and bus row be connected, an end of the other end connection cable of operating mechanism, the other end of cable with advance electric connector lug and be connected.
5. a kind of low tension switch failure bypass switch according to claim 4 is characterized in that described operating mechanism comprises support, clamping plate, rotating shaft, regulating wheel, first nut, first spring, second spring, packing ring, second nut and handle; Described support is fixed on the housing, and an end of described rotating shaft is threaded with support, and the other end of rotating shaft is threaded with handle; Described clamping plate are provided with two; Two clamping plate are symmetrical set, and each clamping plate includes stiff end, connecting portion and free end, and the connecting portion of clamping plate is fixed on the support through alignment pin; The stiff end of clamping plate is connected with shell through first spring; Described regulating wheel, first nut, spring, packing ring and second nut are enclosed within the rotating shaft middle part successively, and regulating wheel all contacts with the stiff end of two clamping plate and is connected, and second nut is connected with the handle contact.
6. a kind of low tension switch failure bypass switch according to claim 5 is characterized in that the free end of described clamping plate is provided with barb.
7. a kind of low tension switch failure bypass switch according to claim 1 is characterized in that, described cable connection device comprises and send electric connector lug, lead and cable connecting terminal, describedly send electric connector lug to be connected with cable connecting terminal through lead.
8. a kind of low tension switch failure bypass switch according to claim 7; It is characterized in that described cable connecting terminal comprises conductive plate, joint cover, lock-screw and junction block, described conductive plate and lead integral type are provided with; Described joint cover passes through screw on conductive plate; Joint cover is provided with step groove, and junction block is arranged in the step groove, and described lock-screw passes the hole that is opened on the conductive plate and is threaded with junction block.
9. a kind of low tension switch failure bypass switch according to claim 7 is characterized in that, also is with insulating sleeve on the described cable connecting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284676.4A CN102347173B (en) | 2011-09-22 | 2011-09-22 | Bypass switch of low-voltage switch fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110284676.4A CN102347173B (en) | 2011-09-22 | 2011-09-22 | Bypass switch of low-voltage switch fault |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102347173A true CN102347173A (en) | 2012-02-08 |
| CN102347173B CN102347173B (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110284676.4A Active CN102347173B (en) | 2011-09-22 | 2011-09-22 | Bypass switch of low-voltage switch fault |
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| Country | Link |
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| CN (1) | CN102347173B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638009A (en) * | 2012-03-30 | 2012-08-15 | 上海市电力公司 | Operation method for first-aid repair of 630A low-tension outgoing lines by by-pass switch |
| WO2014173266A1 (en) * | 2013-04-22 | 2014-10-30 | 江苏省电力公司常州供电公司 | Portable single-phase air bypass switch for live line work in distribution network |
| CN104538261A (en) * | 2015-01-22 | 2015-04-22 | 思源清能电气电子有限公司 | Quick-acting bypass device |
| CN105070605A (en) * | 2015-07-21 | 2015-11-18 | 安徽灿邦电气有限公司 | Plug-in back-panel wiring device for moulded case circuit breaker |
| CN105140061A (en) * | 2013-04-22 | 2015-12-09 | 江苏省电力公司常州供电公司 | Single-phase air bypass switch |
| CN110911984A (en) * | 2019-12-18 | 2020-03-24 | 宁波奉化平西配电科技有限公司 | Automatic alarm power distribution cabinet with emergency protection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007195353A (en) * | 2006-01-20 | 2007-08-02 | Chugoku Electric Power Co Inc:The | Connection device for mold switch and restoring method of power transmission path |
| CN101286428A (en) * | 2007-04-09 | 2008-10-15 | 浙江正泰电器股份有限公司 | Plug-in base of plastic shell type electric appliance having multiple wiring functions |
-
2011
- 2011-09-22 CN CN201110284676.4A patent/CN102347173B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007195353A (en) * | 2006-01-20 | 2007-08-02 | Chugoku Electric Power Co Inc:The | Connection device for mold switch and restoring method of power transmission path |
| CN101286428A (en) * | 2007-04-09 | 2008-10-15 | 浙江正泰电器股份有限公司 | Plug-in base of plastic shell type electric appliance having multiple wiring functions |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638009A (en) * | 2012-03-30 | 2012-08-15 | 上海市电力公司 | Operation method for first-aid repair of 630A low-tension outgoing lines by by-pass switch |
| CN102638009B (en) * | 2012-03-30 | 2014-12-24 | 上海市电力公司 | Operation method for first-aid repair of 630A low-tension outgoing lines by by-pass switch |
| WO2014173266A1 (en) * | 2013-04-22 | 2014-10-30 | 江苏省电力公司常州供电公司 | Portable single-phase air bypass switch for live line work in distribution network |
| CN105140061A (en) * | 2013-04-22 | 2015-12-09 | 江苏省电力公司常州供电公司 | Single-phase air bypass switch |
| US9576758B2 (en) | 2013-04-22 | 2017-02-21 | Chang Zhou Current Supply Company Of Jiangsu Electric Power Company | Portable single-phase air bypass switch for live power distribution network |
| CN105140061B (en) * | 2013-04-22 | 2017-07-18 | 国网江苏省电力公司常州供电公司 | single-phase air bypass switch |
| CN104538261A (en) * | 2015-01-22 | 2015-04-22 | 思源清能电气电子有限公司 | Quick-acting bypass device |
| CN104538261B (en) * | 2015-01-22 | 2017-03-22 | 思源清能电气电子有限公司 | Quick-acting bypass device |
| CN105070605A (en) * | 2015-07-21 | 2015-11-18 | 安徽灿邦电气有限公司 | Plug-in back-panel wiring device for moulded case circuit breaker |
| CN110911984A (en) * | 2019-12-18 | 2020-03-24 | 宁波奉化平西配电科技有限公司 | Automatic alarm power distribution cabinet with emergency protection |
| CN110911984B (en) * | 2019-12-18 | 2020-12-08 | 佛山市奥力图科技有限公司 | Automatic alarm power distribution cabinet with emergency protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102347173B (en) | 2014-01-29 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI HUATONG E Free format text: FORMER OWNER: SHANGHAI HUATONG ELECTRICITY CO., LTD. Effective date: 20121219 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121219 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: Shanghai Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Shanghai Huatong Electricity Co., Ltd. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: Shanghai Electric Power Corporation Applicant before: Shanghai Huatong Electricity Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |