CN205960794U - Exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus - Google Patents
Exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus Download PDFInfo
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- CN205960794U CN205960794U CN201620826008.8U CN201620826008U CN205960794U CN 205960794 U CN205960794 U CN 205960794U CN 201620826008 U CN201620826008 U CN 201620826008U CN 205960794 U CN205960794 U CN 205960794U
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- switch
- earthed switch
- control panel
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- chassis vehicle
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Abstract
The utility model relates to an exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus, exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus, including chassis car control panel DPC, earthing switch control panel JD, travel switch WK1, travel switch WK2, function clamp plate LP2, function clamp plate LP1, change over switch SAE, chassis car driving motor, earthing switch driving motor, the control earthing switch 2 on cubical switchboard top is all taken from to chassis car control panel DPC, earthing switch control panel JD's power through the fuse. The advantage is: realized adopting manual / motor -driven control operation to circuit breaker chassis car and earthing switch, overall structure is compact, and the installation is concentrated, and it is convenient to maintain, convenient operation, accuracy, simple can realize unmanned on duty, use manpower sparingly.
Description
Technical field
The utility model is related to a kind of exchange Medium Voltage Switchgear handcart type breaker, the electrically operated device of earthed switch.
Background technology
For meeting the requirement of Automation of Electric Systems, it is also contemplated for the safety and reliability of switch cubicle operation simultaneously, existing
Medium Voltage Switchgear commonly used KYN28 type middle-placed switch cabinet, this middle-placed switch cabinet can enter to breaker under on the spot/distant place two states
Row point, closing operation, and cannot circuit breaker chassis and earthed switch be carried out with remotely control simultaneously, and cannot be in shape on the spot
Carry out electric operating under state.It is thus desirable to one kind is under on the spot/distant place two states, can achieve dividing, closing a floodgate and grasp to breaker
Make, the electrically operated device of remotely control is carried out to circuit breaker chassis and earthed switch simultaneously.
Content of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of exchange Medium Voltage Switchgear handcart-type to break
Road device, the electrically operated device of earthed switch, for 10kV and circuits below, are realized on the spot/two kinds of distant place shape by panel
Under state, while to breaker realization point, closing operation, circuit breaker chassis and earthed switch are adopted with the control of manual/electric
System operation.
For achieving the above object, the utility model is achieved through the following technical solutions：
Exchange Medium Voltage Switchgear handcart type breaker, the electrically operated device of earthed switch, including chassis vehicle control panel
DPC, earthed switch control panel JD, travel switch WK1, travel switch WK2, function pressing plate LP2, function pressing plate LP1, conversion are opened
Close SAE, chassis vehicle motor, earthed switch motor, chassis vehicle control panel DPC, earthed switch control panel JD
Power supply all takes from the control power source bus on switch cubicle top by fuse；
Chassis vehicle control panel DPC is provided with DPC installation's power source button, ready permission end, operating position end, testing position
End, on the spot/distant place end, common port, motor push button, allow operating side, failure output terminal, power knob pass through fuse RD1,
RD2 is connected with controlling power source bus；Ready permission end passes sequentially through earthed switch auxiliary magnet GDF, travel switch WK2, breaker
Auxiliary magnet QF, function pressing plate LP2 are connected with fuse RD1；Operating position end switchs S9 and fuse RD1 phase by operating position
Even；Testing position end is switched S8 by testing position and is connected with fuse RD1；On the spot/distant place end is passed through change-over switch SAE and is melted
Disconnected device RD1 is connected；Common port is connected with fuse RD2；Motor push button is connected with chassis vehicle motor；
Earthed switch control panel JD is provided with JD installation's power source button, separating brake positive stop end, combined floodgate positive stop end, distant place pattern
End, with regard to ground mode end, common port, earthed switch motor push button, failure output terminal, interlocking end, JD installation's power source button passes through molten
Disconnected device RD3, RD4 are connected with controlling power source bus；Separating brake positive stop end, combined floodgate positive stop end are connected with earthed switch body terminal row；
Distant place pattern end, ground mode end is passed through to change-over switch SAE and earthed switch body terminal row and be connected；Common port and earthed switch
Body terminal row be connected；Common port passes sequentially through function pressing plate LP1, testing position S8, breaker auxiliary magnet QF, travel switch
WK1 is connected with interlocking end, and earthed switch motor push button passes through earthed switch body terminal row and is connected.
Described chassis vehicle control panel DPC, earthed switch control panel JD is equipped with RS485 interface, and chassis vehicle controls
Panel DPC, earthed switch control panel JD are passed through RS485 interface and are communicated with MODBUS communications protocol and background system.
Described earthed switch control panel JD is connected with earthed switch motor.
Compared with prior art, the beneficial effects of the utility model are：
Achieve the control operation that circuit breaker chassis and earthed switch are adopted with manual/electric, compact overall structure, peace
Dress is concentrated, easy to maintenance, easy to operate, accurate, simple, achievable unmanned, saves manpower.Using terminal mode, convenient
Wiring, is easy to operate.Chassis vehicle operation and earthed switch operation are incorporated into control panel and are operated, convenient use, it is to avoid
There is maloperation phenomenon.
Brief description
Fig. 1 is the elementary diagram of chassis vehicle control panel DPC.
Fig. 2 is the elementary diagram of earthed switch control panel JD.
Specific embodiment
With reference to Figure of description, the utility model is described in detail, it should be noted that of the present utility model
Implement to be not limited to following embodiment.
See Fig. 1, Fig. 2, exchange Medium Voltage Switchgear handcart type breaker, the electrically operated device of earthed switch, including chassis
Car control panel DPC, earthed switch control panel JD, travel switch WK1, travel switch WK2, function pressing plate LP2, function pressing plate
LP1, change-over switch SAE, chassis vehicle motor, earthed switch motor, chassis vehicle control panel DPC, earthed switch control
The power supply of panel JD processed all takes from the control power source bus on switch cubicle top by fuse；
See that Fig. 1, chassis vehicle control panel DPC are provided with DPC installation's power source button 1,2；Ready permission end 13；Operating position
End 14；Testing position end 15；On the spot/distant place end 12；Common port 16；Motor push button 3,4；Allow operating side 5,6；Failure output terminal
7、8；Power knob 1,2 is passed through fuse RD1, RD2 and is connected with control power source bus；Ready permission end 13 passes sequentially through ground connection and opens
Pass auxiliary magnet GDF, travel switch WK2, breaker auxiliary magnet QF, function pressing plate LP2 are connected with fuse RD1；Operating position end
14 switch S9 by operating position is connected with fuse RD1；Testing position end 15 switchs S8 and fuse RD1 by testing position
It is connected；On the spot/distant place end 12 is connected with fuse RD1 by change-over switch SAE；Common port 16 is connected with fuse RD2；Motor
Button 3,4 is connected with chassis vehicle motor；Chassis vehicle control panel DPC is provided with RS485 interface, chassis vehicle control panel
DPC is passed through RS485 interface and Shielded Twisted Pair and is communicated with background system with MODBUS communications protocol.
See that Fig. 2, earthed switch control panel JD are provided with JD installation's power source button 1,2；Separating brake positive stop end 15；Close a floodgate spacing
End 14；Distant place pattern end 7；With regard to ground mode end 11；Common port 16；Earthed switch motor push button 3,4；Failure output terminal 5,6；Interlocking
End 9；JD installation's power source button 1,2 is passed through fuse RD3, RD4 and is connected with control power source bus；Separating brake positive stop end 15, limit of closing a floodgate
Position end 14 is connected with earthed switch body terminal row；Distant place pattern end 7, with regard to ground mode end 11 pass through change-over switch SAE and ground connection
Switch main body terminal block is connected；Common port 16 is connected with earthed switch body terminal row；Common port 16 passes sequentially through function pressing plate
LP1, testing position S8, breaker auxiliary magnet QF, travel switch WK1 are connected with interlocking end 9, and earthed switch motor push button 3,4 leads to
Cross earthed switch body terminal row to be connected.
Earthed switch control panel JD is provided with RS485 interface, and earthed switch control panel JD passes through RS485 interface and screen
Cover twisted-pair feeder to communicate with background system with MODBUS communications protocol.Earthed switch control panel JD and earthed switch motor phase
Even.
In the present embodiment, using the chassis vehicle with motor-operating mechanism, earthed switch is using band motor-operating mechanism for chassis vehicle
Earthed switch.Chassis vehicle control panel DPC, earthed switch control panel JD may be provided at switch cubicle exterior panel, in order to
Operation.
See Fig. 1, the control power supply that the power end of chassis vehicle control panel DPC takes from switch cubicle top through overcurrent fuse is female
Line, the operating position S9 of electric chassis truck and testing position S8, travel switch WK2 are respectively connected to chassis vehicle control panel DPC's
Relevant position, in order to monitor the position of chassis vehicle.On switch cubicle instrument door, change-over switch SAE is set, in order to selecting " on the spot/remote
The working method of side ", its contact is accessed the relevant position of chassis vehicle control panel DPC so that it may realize the selection of two places operation.
Chassis vehicle control panel DPC carries special RS485 communication interface 17,18,19, can be with background system with MODBUS communications protocol
Communication.When selecting remote operation, chassis vehicle control panel DPC receives signal, is switched to distant place pattern, after communication is connected, after
Platform system i.e. can achieve electric chassis truck shake into/shake out operation.In order to allow the electric operating safety of chassis vehicle control panel DPC
Reliable, an interlock method must be set.Concrete operations are：
If 1 now circuit breaker chassis be in testing position, chassis vehicle control panel DPC obtains the letter of testing position S8
Number.Electric operating function pressing plate LP2 will be selected to close, breaker is in gate-dividing state (breaker auxiliary magnet QF closure), ground connection
Switch is in gate-dividing state (earthed switch auxiliary magnet GDF closure), and chassis vehicle hand crank is not inserted into (travel switch at jack
WK2 closes), now meet the interlock condition of " ready permission ".Control mode selecting switch SAE in " on the spot/distant place " is gone to
" on the spot ", press " shake into " key, now chassis vehicle under the drive of chassis vehicle motor and chain, from testing position to work
Position is moved.After moving to operating position, chassis vehicle control panel DPC obtains the signal of operating position S9, and chassis vehicle drives
Motor stops, and chassis vehicle locks in operating position.Complete the work of electric operating on the spot of circuit breaker chassis.At this moment, breaker
Can close a floodgate in operating position；After breaker open operation, press " shaking out " key, chassis vehicle is moved from operating position to testing position.
After moving to testing position, chassis vehicle locks in testing position.
2nd, " distant place " electric operating of circuit breaker chassis：
When change-over switch SAE goes to " distant place ", chassis vehicle control panel DPC receives " distant place " instruction, and chassis vehicle controls
Panel DPC keys deactivation.It is connected with background system by RS485 communication interface, now chassis vehicle is controlled by background system instruction,
Its operating mode operates with " on the spot ".
See Fig. 2, the power end of electric ground switch control panel JD takes from the control electricity on switch cubicle top through overcurrent fuse
Source bus, the closing position of earthed switch and open position limitation travel switch WK1 are respectively connected to earthed switch control panel JD
Relevant position, in order to monitoring grounding switch state.On switch cubicle instrument door, change-over switch SAE is set, in order to " just to select
The working method in a ground/distant place ", its contact is accessed the relevant position of earthed switch control panel JD so that it may realize two places operation
Selection.Earthed switch control panel JD carries special RS485 communication interface, can be with background system with MODBUS communications protocol
Communication；RS485 communication interface 17,18,19.When selecting remote operation, control panel receives signal, is switched to distant place pattern,
After communication is connected, background system can be grounded electronic point of switch, closing operation.Concrete operations are：
1st, " on the spot " electric operating of earthed switch：
Earthed switch control panel JD obtains electric, if now breaker is in gate-dividing state, its chassis vehicle is in testing position.
Electric operating function pressing plate LP1 will be selected to close, breaker is in gate-dividing state (breaker auxiliary magnet QF closure), chassis parking stall
In testing position (testing position S8 closure), and rear door of switch cabinet closes and puts that (after putting in place, back door travel switch WK1 can export one in place
Individual normally closed signal), now meet interlock condition." on the spot/distant place " control mode selecting switch SAE is gone to " on the spot ", presses
" combined floodgate " key, now earthed switch moving knife under the drive of earthed switch motor and gear, by point become close.After combined floodgate, connect
Ground switch control panel JD obtains switching signal, and motor stops, and earthed switch closes a floodgate and finishes；When separating brake, press " separating brake " key,
The course of work is the inverse process of closing operation.
2nd, " distant place " electric operating of earthed switch：
When control mode change-over switch SAE goes to " distant place ", earthed switch control panel JD receives " distant place " instruction, face
Plate keys deactivation, is connected with background system by RS485 communication interface, and now earthed switch is controlled by background system instruction, its
Operating mode operates with " on the spot ".
The feature of chassis vehicle control panel DPC：
1) rotation-clogging protection and reversal protection.The operating of electric chassis truck motor is obstructed and (is such as installed not in place or mechanism's card
When extremely) reaching protective condition, immediately to motor braking, and chassis vehicle motor can be inversely driven to release the stuck state of vexed car；
2) false action-proof, when reaching operating position or testing position using motor-driven chassis, motor braking, and will
Chassis vehicle state locks；
3) the two places operation in " distant place/on the spot " selects, and scene can achieve the selection of manually, electrically two kinds of modes of operation；
4) in circuit-breaker switching on-off operating process, press simultaneously lower panel shake into/shake out button, or interlocking signal is invalid, bottom
Jiggering control panel DPC will stop operation.
The feature of earthed switch control panel JD：
1) rotation-clogging protection and reversal protection.The operating of electric ground switch motor is obstructed and (is such as installed not in place or mechanism
Stuck) when reaching protective condition, immediately to ground connection switch drive motor braking, and inversely drive earthed switch motor to release
The stuck state of vexed car；
2) false action-proof, earthed switch drive motor drives operating mechanism row to when closing position or dividing position, and earthed switch drives
Dynamic motor braking, and on off state is locked；
3) the two places operation in " distant place/on the spot " selects, and scene can achieve the selection of manually, electrically two kinds of modes of operation；
4) during breaking-closing operating, divide/switch knob by lower panel simultaneously, or interlocking signal is invalid, earthed switch control
Panel JD processed will stop operation.
Claims (3)
1. the electrically operated device of exchange Medium Voltage Switchgear handcart type breaker, earthed switch is it is characterised in that include chassis vehicle
Control panel DPC, earthed switch control panel JD, travel switch WK1, travel switch WK2, function pressing plate LP2, function pressing plate
LP1, change-over switch SAE, chassis vehicle motor, earthed switch motor, chassis vehicle control panel DPC, earthed switch control
The power supply of panel JD processed all takes from the control power source bus on switch cubicle top by fuse；
Chassis vehicle control panel DPC be provided with DPC installation's power source button, ready permission end, operating position end, testing position end,
On the spot/distant place end, common port, motor push button, allow operating side, failure output terminal, power knob pass through fuse RD1, RD2 with
Power source bus is controlled to be connected；Ready permission end passes sequentially through earthed switch auxiliary magnet GDF, travel switch WK2, breaker auxiliary magnet
QF, function pressing plate LP2 are connected with fuse RD1；Operating position end is switched S9 by operating position and is connected with fuse RD1；Examination
Test position end to be connected with fuse RD1 by testing position switch S8；Change-over switch SAE and fuse are passed through on the spot/distant place end
RD1 is connected；Common port is connected with fuse RD2；Motor push button is connected with chassis vehicle motor；
Earthed switch control panel JD be provided with JD installation's power source button, separating brake positive stop end, combined floodgate positive stop end, distant place pattern end,
With regard to ground mode end, common port, earthed switch motor push button, failure output terminal, interlocking end, JD installation's power source button passes through fuse
RD3, RD4 are connected with controlling power source bus；Separating brake positive stop end, combined floodgate positive stop end are connected with earthed switch body terminal row；A distant place
Pattern end, ground mode end is passed through to change-over switch SAE and earthed switch body terminal row and be connected；Common port and earthed switch body
Terminal block is connected；Common port pass sequentially through function pressing plate LP1, testing position S8, breaker auxiliary magnet QF, travel switch WK1 with
Interlocking end is connected, and earthed switch motor push button passes through earthed switch body terminal row and is connected.
2. exchange Medium Voltage Switchgear handcart type breaker according to claim 1, the electrically operated device of earthed switch, its
It is characterised by, described chassis vehicle control panel DPC, earthed switch control panel JD is equipped with RS485 interface, chassis vehicle controls
Panel DPC, earthed switch control panel JD are passed through RS485 interface and are communicated with MODBUS communications protocol and background system.
3. exchange Medium Voltage Switchgear handcart type breaker according to claim 1, the electrically operated device of earthed switch, its
It is characterised by, described earthed switch control panel JD is connected with earthed switch motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826008.8U CN205960794U (en) | 2016-08-02 | 2016-08-02 | Exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826008.8U CN205960794U (en) | 2016-08-02 | 2016-08-02 | Exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus |
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| Publication Number | Publication Date |
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| CN205960794U true CN205960794U (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620826008.8U Active CN205960794U (en) | 2016-08-02 | 2016-08-02 | Exchange medium voltage switchgear handcart -type circuit breaker, earthing switch's electrically -operated apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293981A (en) * | 2017-06-30 | 2017-10-24 | 国网福建省电力有限公司 | A kind of key power transmission and the handcart switch cabinet of key maintenance |
-
2016
- 2016-08-02 CN CN201620826008.8U patent/CN205960794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293981A (en) * | 2017-06-30 | 2017-10-24 | 国网福建省电力有限公司 | A kind of key power transmission and the handcart switch cabinet of key maintenance |
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| GR01 | Patent grant |