CN105594079A - Switching gear - Google Patents
Switching gear Download PDFInfo
- Publication number
- CN105594079A CN105594079A CN201480053716.6A CN201480053716A CN105594079A CN 105594079 A CN105594079 A CN 105594079A CN 201480053716 A CN201480053716 A CN 201480053716A CN 105594079 A CN105594079 A CN 105594079A
- Authority
- CN
- China
- Prior art keywords
- contact block
- main contact
- switch cubicle
- action bars
- auxiliary
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
Abstract
The invention relates to a switching gear. The switching gear comprises a frame; a main contact block (3) arranged to the frame and linearly movable between a disconnected position and a connected position; an auxiliary contact block (4) arranged to the frame and movable parallel to the main contact block between a disconnected position and a connected position; an operating lever (6); a switch mechanism for disconnecting and connecting the axial movement and the rotation of the operating lever to the linear movement of the main contact block and the auxiliary contact block, such that from the disconnected position of both the main contact block (3) and the auxiliary contact block (3), first the auxiliary contact block is moved towards the connected position and after the auxiliary contact block has reached the connected position, the main contact block is moved towards the connected position.
Description
Technical field
The present invention relates to for example switch cubicle for pressure application. Switch cubicle is disposed in rack conventionally. This rackRear wall is provided with main bus-bar, and this switch cubicle need to be connected to this main bus-bar. This switch cubicle comprises safety circuit and actuator, withProvide or suppress and contact between bus. Switch cubicle for example provides has the dress that switches electric energy by this switch cubicle from main bus-barPut (as pump, motor or electrically operated valve), and guarantee that electric energy can easily close and conducting. In addition provide for test,The auxiliary contact of object.
Background technology
This switch cubicle is usually placed in the drawer of rack. In the time fault being detected, this is convenient to change switch cubicle.
In order to safeguard and to deal with problems, switch cubicle energy is tested is essential. For this object, switch cubicle must be from motherLine disconnects. Also wish that, at such test position, switch cubicle is still connected to subconnector, make the different assemblies of switch cubicleCan be tested.
Adopt typical draw out switchgear, this switch partly pulls out from rack, and draw out switchgear is separated with bus,And switch cubicle can be tested. At this test position, switch cubicle is connected to or is still connected to assisting for Test Switchboard cabinetConnector.
Draw out switchgear is pulled with cut-off switch cabinet veritably. In this position, drawable switch equipment canTo be removed safely.
Known drawable switch equipment is manually operated to position in desired position. Conventionally by being arranged inMark on pedestal is indicated this position. But, be difficult in correct position, switching device accurately be located.
Some known drawable switch equipments have positioner, and wherein it must carry out rotating screw axle with ratchet,This makes the movement of the support with switch cubicle. Positioner is provided with and is used to indicate the position that drawable switch equipment is movedIndicator. The time chien shih switching device that comes with ratchet that rotating screw axle need to be relatively long moves to desired position.
Another shortcoming is, in the time that draw out switchgear cabinet is placed in test position or open position, draw out switchgear cabinet fromRack stretches out.
Summary of the invention
An object of the present invention is to reduce or even remove above-mentioned shortcoming.
Adopt switch cubicle according to the present invention to achieve this end, switch cubicle comprises:
-framework;
-be arranged in movably main contact block of linearity on described framework and between open position and link position;
-be arranged on described framework and between open position and link position parallel movably with described main contact blockAuxiliary contact block;
-action bars;
-conversion equipment, for disconnecting and being connected moving axially and rotating to described main contact block and auxiliary of described action barsThe Linear-moving of adjuvant grafting contact block, makes from the described open position of described main contact block and auxiliary contact block, first described auxiliaryContact block moves towards described link position, and after described auxiliary contact block arrives described open position, described main contactPiece moves towards described link position.
Because main contact block and auxiliary contact block are to be movably disposed within on framework, no longer need movable frame (to drawGo out drawer) to make switch cubicle at test position or open position.
By operating operation bar, main contact block and auxiliary contact block move between their positions separately. Bar axiallyMobile and/or rotation is converted into moving of main contact block and auxiliary contact block by known method (as gear or lever system)Moving. Conversion equipment has guaranteed that main contact block and auxiliary contact block can be with undesirable ordinal shifts. For example do not wish auxiliary connecingContact block moves to open position from link position, and main contact block is still in link position.
According in the preferred embodiment of switch cubicle of the present invention, described conversion equipment comprise two parts with for being connectedThe connector that the power of described two parts limits, one of them parts is disposed on described main contact block, and a parts quiltBe arranged on described auxiliary contact block.
In the time that main contact block advances forward from open position by action bars, it will with auxiliary contact block together, be assistedThe connector that contact block limits by power is connected to main. In the time of design switch cubicle, first auxiliary contact block will be reached and connectConnect position, and main contact block will still be driven forward, in the time that the operating physical force on action bars exceedes definite threshold value, power limitsConnector will disconnect. Then main contact block can be moved further towards link position, and auxiliary contact block remains on connection simultaneouslyPosition.
When the movement of main contact block is while being contrary, contrary situation will occur. Once main contact block arrives auxiliary contactPiece, can connect connector component, and main will be returned to their open position with auxiliary contact block.
According in another embodiment of switch cubicle of the present invention, described connector comprises for by described conversion equipmentDescribed two spring members that parts are clamped together. Adopt spring can obtain enough power, with when auxiliary contact block fromWhen open position moves to link position, make connector component be connected, in the time that main contact block is moved further, make to connect simultaneouslyConnect device parts and disconnect, disconnect for parts and needn't apply excessive power on action bars.
According in another embodiment of switch cubicle of the present invention, described connector comprises for described in inciting somebody to action by magnetic forceDescribed two magnets that parts keep together of conversion equipment. Replace spring, it is also possible using magnetic force.
According in another preferred embodiment of switch cubicle of the present invention, one of described main contact block and auxiliary contact blockThe individual rotation by described action bars is moved, and another of described main contact block and auxiliary contact block is by described action barsLinear-moving and move, and wherein said conversion equipment comprises Linear-moving for alternately stoping described action bars and revolvesThe prevention member turning.
The prevention member of this embodiment guarantees that action bars can move axially or rotate, but can not move simultaneously and revolveTurn. Therefore, for example, pass through axially move operation bar, auxiliary contact block moves to link position from open position. Connect when auxiliaryWhen contact block reaches link position, stop member to stop further moving axially of action bars, make action bars rotation simultaneously, thisTo make winner's contact block move to link position from open position and become possibility.
According in another embodiment of switch cubicle of the present invention, described action bars comprises at least one cannelure, extremelyA few circumferential slot and at least one cam that is arranged in described framework, advances in described groove, make to exist when described camIn described cannelure time, described action bars can only Linear-moving, and in the time that described cam is in described circumferential slot, described action barsCan only rotate.
Utilize groove and cam, coordinated manipulation bar move axially and rotation becomes possibility, make winner's contact block and auxiliary connecingContact block is with correct ordinal shift.
Preferably, described action bars is connected to described main contact block by threaded portion, and described main contact block is passed throughRotate described action bars and move.
Utilize the Billy in rotary moving of action bars to move with single axial the power that generation is larger and become possibility. This may be to haveProfit, main contact block is connected to bus than being connected to auxiliary contact block conventionally by power larger needs.
Brief description of the drawings
Set forth these and other features of the present invention in connection with accompanying drawing.
Fig. 1 shows the perspective schematic view according to switch cubicle of the present invention.
Fig. 2 A-2C shows first embodiment of the switch cubicle according to the present invention at the schematic diagram of three diverse locations.
Fig. 3 A-3C shows second embodiment of the switch cubicle according to the present invention at the schematic diagram of three diverse locations.
Detailed description of the invention
Fig. 1 shows draw out switchgear 1, and it is disposed in (not shown) in rack conventionally. For draw out switchgear 1 provides electricityThis rack bus 2 of energy is disposed in rack. This electric energy is provided to draw out switchgear by main contact block 3.
And draw out switchgear 1 has auxiliary contact block 4, it can contact with the contactor 5 being arranged in rack,Make the different assemblies energy of switch cubicle tested.
Described in above, require switch cubicle 1 can be arranged on " open position " (Fig. 2 A, wherein main contact block 3 and auxiliaryAdjuvant grafting contact block 4 is all disconnected), " test position " (Fig. 2 B, only auxiliary contact block 4 connects), and " link position " (Fig. 2 C, connectsContact block 3 and 4 is all connected). According to the present invention, this is real by the Linear-moving of the Linear-moving of main contact block 3 and auxiliary block 4Existing. Obtaining this by control operation bar 6 moves.
Fig. 2 A-2C shows the schematic diagram of first embodiment 10 of switch cubicle as shown in Figure 1.
Fig. 2 A shows the position of switch cubicle 10, and wherein main contact block 3 disconnects with bus 2, and auxiliary contact block 4 and rackIn contactor 5 disconnect.
Auxiliary contact block 4 is connected to main contact block 3 by connector 12,13. This connector 12,13,14 has two12,13, two parts 12,13 of parts are axially arranged and are mutually clamped by ball and spring 14 (ball catch breech lock), provideFastening shape (snap-like) connects.
Now, when action bars 6 rotates, main contact block 3 will move towards bus 2. Meanwhile, owing to passing through connector 12,13,14Be connected to main contact block 3, auxiliary contact block 4 will move towards contactor 5.
Fig. 2 B shows auxiliary contact block 4 and is fully connected to the position of contactor 5. In the time that action bars 6 is further rotated,Auxiliary contact block 4 will no longer can move forward, but main contact block 3 still can be near bus 2. As a result, connector 12,13,14 by the power being increased, and this will cause discharging and being fastened and connected from ball and spring 14.
In the time that two parts 12,13 discharge each other, main contact block 3 can be moved further, and makes it will be connected to bus2, as shown in Figure 2 C.
In the time of action bars 6 present opposite spin, main contact block 3 will be away from bus 2, and the parts 12 of connector will be slidedEnter in parts 13, ball and spring 14 can be clamped together parts 12,13. In the time that action bars 6 is further rotated, auxiliary contactPiece 4 is driven together with main contact block 3, makes switch cubicle 10 return to the position shown in Fig. 2 A.
At the separation point position of depending on the position of contactor 5 in rack (Fig. 2 A), auxiliary contact block 4 can remain onMain contact block 3 is away from the same offset distance of bus 2.
Fig. 3 A-3C show according to second of switch cubicle of the present invention embodiment with the device shown in Fig. 2 A-2CSame position.
Switch cubicle 20 still has main contact block 3 and auxiliary contact block 4, and main contact block 3 and auxiliary contact block 4 are respectively towards motherLine 2 and contactor 5 Linear-movings.
Action bars 6 comprises having free-ended axle 21, and the free end of axle 21 is provided with groove 22. This free end is in sleeve 23Slide, be arranged on the outer surface of sleeve 23 for the gear teeth of drive transmission 24. These transmission device 24 companies of being disposed inReceive on the thread spindle 25 of main contact block 3.
Axle 21 is also provided with bearing 26, and bearing 26 is connected to auxiliary contact block 4 by arm 27. Bearing 26 has been guaranteed action bars6 still can rotate, although it is connected with arm 27.
Axle 21 has the conversion groove 28 of close action bars 6, and conversion groove 28 matches with stationary cam 29. Thus, provideA kind of conversion equipment, whether its control operation bar 6 can move axially or rotate.
In the position shown in Fig. 3 A, action bars 6 can only move axially. By moving axially bar 6, there is the axle 21 of groove 22Free end inserts in sleeve 23, and auxiliary contact block 4 is driven with contactor 5 and is connected simultaneously, as shown in Figure 3 B.
In the position shown in Fig. 3 B, cam 29 is positioned in the circumferential slot parts of conversion groove 28, makes the action bars 6 canRotation. As long as the axial groove component no longer of conversion groove 28 is alignd with cam 29, moving axially of action bars 6 is prevented from, and this guaranteesAuxiliary contact block keep being connected to contactor 5.
When action bars 6 rotates, sleeve 23 will rotate, and this is further rotated transmission device 24. Transmission device 24 is at thread spindleRotation on 25 causes main contact block to move towards bus 2, arrives position as shown in Figure 3 C, wherein main contact block 3 and auxiliaryContact block 4 is connected to respectively bus 2 and contactor 5.
The step of describing with respect to Fig. 3 A-3C by reversion, first main contact block 3 can be disconnected, afterwards auxiliary contact block 4Can be disconnected.
Claims (7)
1. a switch cubicle, comprising:
-framework;
-be arranged in movably main contact block of linearity on described framework and between open position and link position;
-be arranged on described framework and between open position and link position parallel with described main contact block movably auxiliaryContact block;
-action bars;
-conversion equipment, for disconnecting and being connected moving axially and rotating to described main contact block and auxiliary connecing of described action barsThe Linear-moving of contact block, makes from the described open position of described main contact block and auxiliary contact block first described auxiliary contactPiece moves towards described link position, and after described auxiliary contact block arrives described open position, described main contact block courtMove to described link position.
2. switch cubicle according to claim 1, wherein said conversion equipment comprise two parts with for being connected described twoThe connector that the power of individual parts limits, one of them parts is disposed on described main contact block, and parts are disposed inOn described auxiliary contact block.
3. switch cubicle according to claim 2, wherein said connector comprises for by described two of described conversion equipmentThe spring member that individual parts are clamped together.
4. according to the switch cubicle described in claim 2 or 3, wherein said connector comprises for described conversion being filled by magnetic forceDescribed two magnets that parts keep together of putting.
5. switch cubicle according to claim 1, one of wherein said main contact block and auxiliary contact block by described behaviourDo the rotation of bar and move, and Linear-moving by described action bars of another of described main contact block and auxiliary contact block andMobile, and wherein said conversion equipment comprises Linear-moving for alternately stoping described action bars and the prevention structure of rotationPart.
6. switch cubicle according to claim 5, wherein said action bars comprises at least one cannelure, at least one is circumferentialGroove and at least one cam that is arranged in described framework, advances in described groove, make when described cam is at described cannelureWhen middle, described action bars can only Linear-moving, and in the time that described cam is in described circumferential slot, described action bars can only rotate.
7. according to the switch cubicle described in aforementioned arbitrary claim, wherein, described in described action bars is connected to by threaded portionMain contact block, makes described main contact block move by the described action bars of rotation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1317263.0 | 2013-09-30 | ||
| GBGB1317263.0A GB201317263D0 (en) | 2013-09-30 | 2013-09-30 | Switching gear |
| PCT/EP2014/070022 WO2015044053A1 (en) | 2013-09-30 | 2014-09-19 | Switching gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105594079A true CN105594079A (en) | 2016-05-18 |
| CN105594079B CN105594079B (en) | 2017-09-01 |
Family
ID=49585043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480053716.6A Expired - Fee Related CN105594079B (en) | 2013-09-30 | 2014-09-19 | Switch cubicle |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3053229A1 (en) |
| CN (1) | CN105594079B (en) |
| BR (1) | BR112016006868A2 (en) |
| GB (1) | GB201317263D0 (en) |
| WO (1) | WO2015044053A1 (en) |
| ZA (1) | ZA201602459B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3074974B1 (en) * | 2017-12-07 | 2020-07-17 | Schneider Electric Industries Sas | DEVICE FOR CONNECTING A MOBILE TROLLEY CARRYING AN ELECTRICAL APPARATUS TO A MEDIUM OR HIGH VOLTAGE CELL, AND CELL COMPRISING SUCH A DEVICE. |
| CN208142678U (en) | 2018-04-26 | 2018-11-23 | Abb股份公司 | Pull-out type base module for switch |
| IT201800008139A1 (en) * | 2018-08-21 | 2020-02-21 | Lafer Srl | MODULAR CENTRAL UNIT FOR POWER SUPPLY AND REMOTE CONTROL OF ELECTRIC MOTORS |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112269A (en) * | 1977-01-05 | 1978-09-05 | Westinghouse Electric Corp. | Drawout switchgear with levering-in mechanism |
| CN1695278A (en) * | 2002-01-30 | 2005-11-09 | 西门子公司 | Withdrawable unit for a switch device with auxiliary disconnector contacts |
| CN101772815A (en) * | 2007-08-03 | 2010-07-07 | 西门子公司 | Coupling arrangement for transmission of the rotational movement of a switching shaft of an electrical switch to at least one position signalling device |
| CN101809835A (en) * | 2007-09-27 | 2010-08-18 | 伊顿公司 | Drawable switch equipment with one-way clutch |
| CN102237649A (en) * | 2010-03-23 | 2011-11-09 | Ls产电株式会社 | Plug interlock device for vacuum circuit breaker |
| EP2639901A1 (en) * | 2012-03-12 | 2013-09-18 | Eaton Industries (Netherlands) B.V. | Draw-out switching device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0323769Y2 (en) * | 1985-02-12 | 1991-05-23 | ||
| FR2951031B1 (en) * | 2009-10-06 | 2011-10-28 | Schneider Electric Ind Sas | FUNCTIONAL UNIT FOR LOW VOLTAGE CHART WITH TEST POSITION |
-
2013
- 2013-09-30 GB GBGB1317263.0A patent/GB201317263D0/en not_active Ceased
-
2014
- 2014-09-19 WO PCT/EP2014/070022 patent/WO2015044053A1/en active Application Filing
- 2014-09-19 CN CN201480053716.6A patent/CN105594079B/en not_active Expired - Fee Related
- 2014-09-19 EP EP14767029.3A patent/EP3053229A1/en not_active Withdrawn
- 2014-09-19 BR BR112016006868A patent/BR112016006868A2/en not_active IP Right Cessation
-
2016
- 2016-04-12 ZA ZA2016/02459A patent/ZA201602459B/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112269A (en) * | 1977-01-05 | 1978-09-05 | Westinghouse Electric Corp. | Drawout switchgear with levering-in mechanism |
| CN1695278A (en) * | 2002-01-30 | 2005-11-09 | 西门子公司 | Withdrawable unit for a switch device with auxiliary disconnector contacts |
| CN101772815A (en) * | 2007-08-03 | 2010-07-07 | 西门子公司 | Coupling arrangement for transmission of the rotational movement of a switching shaft of an electrical switch to at least one position signalling device |
| CN101809835A (en) * | 2007-09-27 | 2010-08-18 | 伊顿公司 | Drawable switch equipment with one-way clutch |
| CN102237649A (en) * | 2010-03-23 | 2011-11-09 | Ls产电株式会社 | Plug interlock device for vacuum circuit breaker |
| EP2639901A1 (en) * | 2012-03-12 | 2013-09-18 | Eaton Industries (Netherlands) B.V. | Draw-out switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201602459B (en) | 2018-11-28 |
| EP3053229A1 (en) | 2016-08-10 |
| BR112016006868A2 (en) | 2017-08-01 |
| CN105594079B (en) | 2017-09-01 |
| WO2015044053A1 (en) | 2015-04-02 |
| GB201317263D0 (en) | 2013-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE112015002390B4 (en) | ARC ARRESTER CIRCUIT BREAKER AND ENERGY RECEIVING AND DISTRIBUTING EQUIPMENT USING SAME | |
| CN101436471B (en) | Device for controlling electrical switchgear and electrical switchgear including same | |
| CN105594079A (en) | Switching gear | |
| US20170179692A1 (en) | A switchgear apparatus of the withdrawable type | |
| AU2014352054A1 (en) | Switching gear | |
| CN101814705A (en) | A draw-in and out device for circuit breaker and breaker with the same | |
| CN109716606B (en) | Push interlock system for draw out circuit breaker | |
| KR101893593B1 (en) | molded case circuit breaker | |
| CN107086147B (en) | Overvoltage discharger device | |
| EP2826116B1 (en) | Draw-out switching device | |
| CN102347153A (en) | Mechanical interlocking device of three-position isolating switch and circuit breaker | |
| CN105070580A (en) | Side-mounted high-voltage vacuum circuit breaker | |
| CN105977070A (en) | Non-excitation tapping switch for grounding transformer | |
| JP2016173960A (en) | Disconnector with grounding switch and switchgear | |
| CN103021728A (en) | Medium-voltage electric distribution apparatus | |
| US9742164B2 (en) | Secondary disconnect assembly for a switching device | |
| DE102008011522B4 (en) | Slide-in switching device for insertion into a slide-in cassette of a control cabinet and for use with a low voltage or medium voltage | |
| CN203205260U (en) | Emergency tripping device outside high-voltage breaker cabinet | |
| CN112993837A (en) | Switch cabinet | |
| RU2492562C1 (en) | Pull-out element of switchgear and control gear box | |
| CN201887369U (en) | Handcart switching device | |
| EP1665306B1 (en) | Load tap changer with motor drive | |
| CN110035633B (en) | Connecting device and medium or high voltage apparatus unit | |
| CN104465162A (en) | Electric load disconnection earthing knife-switch interlocking device | |
| KR101542100B1 (en) | Disconnector Switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20180919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |