CN104319153B - Single ground connection high voltage isolator - Google Patents
Single ground connection high voltage isolator Download PDFInfo
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- CN104319153B CN104319153B CN201410656341.4A CN201410656341A CN104319153B CN 104319153 B CN104319153 B CN 104319153B CN 201410656341 A CN201410656341 A CN 201410656341A CN 104319153 B CN104319153 B CN 104319153B
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- remote control
- cutter
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- switch
- electromagnetic clutch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
Abstract
Single ground connection high voltage isolator, comprise high voltage isolator operating mechanism case, operation connecting rod and single ground connection isolator body, described high voltage isolator operating mechanism case is provided with two output shafts, two output shafts are made up of an output shaft of operating, a ground cutter output shaft, operator output shaft is connected with the first coupling shaft of high voltage isolator body by the first operation connecting rod, and the first coupling shaft is connected with operator; Ground cutter output shaft is connected with the 2nd coupling shaft of high voltage isolator body by the 2nd operation connecting rod, and the 2nd coupling shaft is connected with ground cutter. Working reliability height of the present invention, simple to operate, cost of investment is low, and on-site installation and maintenance are convenient.
Description
Technical field
The present invention relates to a kind of single ground connection high voltage isolator, extensively for open type (AIS) intelligent substation.
Background technology
At present, single ground connection high voltage isolator all adopts traditional operating mechanism case both at home and abroad, and namely operator and ground connection cutter configure respective traditional operating mechanism case respectively. Traditional operating mechanism case, is only equipped with 1 output shaft above casing, be configured with an operating electrical machines, a set of step-down gear and a set of electrical control securing system in case. For single ground connection high voltage isolator, 2 traditional operating mechanism casees need to be configured altogether.
When single ground connection high voltage isolator adopts traditional operating mechanism case to control, operator and ground connection cutter all need the operating mechanism case operation that installing is independent separately, a single ground connection type high voltage isolator need to install 2 traditional operating mechanism casees altogether, cost of investment height, foundation of civil work quantity is many, the auxiliary material of on-the-spot required installation is many, and installation and repairing maintenance time length, workload are big. In order to prevent the mishandle operated with ground connection cutter, need to be realized by the mechanical chain of operation box external complex or electrical interlocking device. The mechanical chain of these function complexity and electrical interlocking device, make installation and debugging and the repair and maintenance time of high voltage isolator long, inconvenient operation, and there is the mishandle that human factor may bring, and traditional operating mechanism case does not have communication interface, do not possess network communication and network operation function, the running maintenance requirement of intelligent substation can not be met.
The operator of traditional isolator and the anti-incorrect manipulation deadlock function of ground connection cutter are that the mechanical locking by operating mechanism case outside or electric blocking realize.
Summary of the invention
The technical problem to be solved in the present invention is, overcome the above-mentioned defect that prior art exists, it is provided that a kind of single ground connection high voltage isolator, for single ground connection high voltage isolator, often organize and only need configuration 1 New High Voltage Isolating Switch operating mechanism case, be conducive to reducing costs.
Single ground connection high voltage isolator, comprise high voltage isolator operating mechanism case, operation connecting rod and single ground connection isolator body, described high voltage isolator operating mechanism case is provided with two output shafts, two output shafts are made up of an output shaft of operating, a ground cutter output shaft, operator output shaft is connected with the first coupling shaft of high voltage isolator body by the first operation connecting rod, and the first coupling shaft is connected with operator; Ground cutter output shaft is crossed the 2nd operation connecting rod and is connected with the 2nd coupling shaft of high voltage isolator body, and the 2nd coupling shaft is connected with ground cutter.
Further, being provided with an operating electrical machines, two cover first step retarding mechanisms and two cover second stage retarding mechanisms in described high voltage isolator operating mechanism case, first step retarding mechanism is connected with second stage retarding mechanism by electromagnetic clutch;
Two cover first step retarding mechanisms are by first step retarding mechanism of operating, ground cutter first step retarding mechanism composition, two cover second stage retarding mechanisms are by second stage retarding mechanism of operating, the cutter second stage, ground retarding mechanism composition, operator first step retarding mechanism is connected with operator second stage retarding mechanism by operator electromagnetic clutch, ground cutter first step retarding mechanism is connected with the cutter second stage, ground retarding mechanism by ground cutter electromagnetic clutch, operator first step retarding mechanism, ground cutter first step retarding mechanism is connected successively by coupling shaft, motor is connected with ground cutter first step retarding mechanism, operator output shaft is located on the retarding mechanism of the operator second stage, ground cutter output shaft is located on the retarding mechanism of the cutter second stage, ground.
Further, worm screw turbine reduction box all selected by described operator first step retarding mechanism and ground cutter first step retarding mechanism, and worm screw turbine reduction box also can all be selected by operator second stage retarding mechanism and the cutter second stage, ground retarding mechanism.
Further, distance between 2nd coupling shaft and the first coupling shaft is 150-450mm, preferred 300mm, first coupling shaft is controlled by the operator output shaft being convenient on high voltage isolator operating mechanism case by the first operation connecting rod, and the 2nd coupling shaft is controlled by ground cutter output shaft by the 2nd operation connecting rod.
Further, it is provided with, between described operator and ground cutter, the mechanical locking device being placed in high voltage isolator operating mechanism case.
Further, also comprising electrical control system, described electrical control system operates Controlling System by electric machine control securing system and operator ground connection cutter and forms;
Operator ground connection cutter operation Controlling System comprises nearly control divide-shut brake loop, remote control divide-shut brake loop, electromagnetic clutch control loop; Nearly control divide-shut brake loop forms by closely controlling closing circuit and closely control sub-gate circuit; Remote control divide-shut brake loop is made up of remote control closing circuit and remote control sub-gate circuit, remote control closing circuit by remote control closing circuit of operating, cutter remote control closing circuit form, remote control sub-gate circuit by remote control sub-gate circuit of operating, cutter remote control sub-gate circuit form; Electromagnetic clutch control loop closely controls loop by electromagnetic clutch and electromagnetic clutch remote control circuit forms, electromagnetic clutch closely control loop by electromagnetic clutch of operating closely control loop, cutter electromagnetic clutch closely control loop and form, electromagnetic clutch remote control circuit by electromagnetic clutch remote control circuit of operating, cutter electromagnetic clutch remote control circuit form.
Described nearly control sub-gate circuit comprises control power supply, electric blocking device, microcomputer anti-error device, near/remote control change-over switch, nearly control main ground cutter select axle switch, closely control opening button, coil, point lock limit switch of point lock contactor, protect switch, stop button; Control power supply, electric blocking device, microcomputer anti-error device, near/remote control change-over switch, nearly control main ground cutter are selected axle switch, closely control opening button, are divided the coil of lock contactor, point lock limit switch, protection switch and stop button head and the tail serial connection formation loop successively;
Described nearly control closing circuit comprises control power supply, electric blocking device, microcomputer anti-error device, near/remote control change-over switch, nearly control main ground cutter select coil, the combined floodgate limit switch of axle switch, nearly control combined floodgate button, closing contactor, protect switch, stop button; Control power supply, electric blocking device, microcomputer anti-error device, closely/remote control change-over switch, nearly control main ground cutter are selected coil, the combined floodgate limit switch of axle switch, closely control combined floodgate button, closing contactor, are protected switch and stop button head and the tail serial connection formation loop successively;
Described remote control closing circuit comprise control power supply, electric blocking device, near/remote control change-over switch, operator remote control closing switch, cutter remote control closing switch, operator combined floodgate intermediate relay coil, the coil of cutter combined floodgate intermediate relay, the coil of closing contactor, combined floodgate limit switch, protection switch and stop button; The coil of control power supply, electric blocking device, near/remote control change-over switch, remote control closing switch of operating, operator combined floodgate intermediate relay, the coil of closing contactor, combined floodgate limit switch, protection switch and stop button head and the tail serial connection formation operator remote control closing circuit successively; Control power supply, electric blocking device, near/remote control change-over switch, cutter remote control closing switch, the coil of cutter combined floodgate intermediate relay, the coil of closing contactor, combined floodgate limit switch, protection switch and stop button successively head and the tail serial connection form ground cutter remote control closing circuit;
Described remote control sub-gate circuit comprises control power supply, electric blocking device, near/remote control change-over switch, operator remote control divide lock switch, cutter remote control divide lock switch, operator point lock intermediate relay coil, cutter divide the coil of the coil of lock intermediate relay, point lock contactor, point lock limit switch, protection switch and stop button; Control power supply, electric blocking device, near/remote control change-over switch, operator remote control divide the coil of the coil of lock switch, operator point lock intermediate relay, point lock contactor, point lock limit switch, protection switch and stop button successively head and the tail serial connection form operator remote control sub-gate circuit; Control power supply, electric blocking device, near/remote control change-over switch, cutter remote control divide lock switch, cutter divide the coil of the coil of lock intermediate relay, point lock contactor, point lock limit switch, protection switch and stop button successively head and the tail serial connection form ground cutter remote control sub-gate circuit;
Electromagnetic clutch remote control circuit comprises supply transformer, closely/remote control change-over switch, the contact of operator point lock intermediate relay, the contact of operator combined floodgate intermediate relay, ground cutter divides the contact of lock intermediate relay, the contact of ground cutter combined floodgate intermediate relay, operator electromagnetic clutch, ground cutter electromagnetic clutch, the contact of operator point lock intermediate relay, the operator contact of combined floodgate intermediate relay is also connected between near/remote control change-over switch and operator electromagnetic clutch after connecing, ground cutter divides the contact of lock intermediate relay, the contact of cutter combined floodgate intermediate relay, ground is also connected between near/remote control change-over switch and ground cutter electromagnetic clutch after connecing, operator electromagnetic clutch, ground cutter electromagnetic clutch is all connected with supply transformer, supply transformer is connected with near/remote control change-over switch, the contact of supply transformer, near/remote control change-over switch, operator point lock intermediate relay, the contact of operator combined floodgate intermediate relay, operator electromagnetic clutch form operator electromagnetic clutch remote control circuit jointly, supply transformer, near/remote control change-over switch, cutter divide lock intermediate relay contact, cutter combined floodgate intermediate relay contact, cutter electromagnetic clutch jointly form ground cutter electromagnetic clutch remote control circuit,
Electromagnetic clutch closely controls that loop comprises supply transformer, near/remote control change-over switch, nearly control main ground cutter select axle switch, electromagnetic clutch of operating, cutter electromagnetic clutch, supply transformer, near/remote control change-over switch select axle switch to be connected in series successively with nearly control main ground cutter, ground cutter electromagnetic clutch is connected to operator electromagnetic clutch two ends, nearly control main ground cutter select the dynamic contact of axle switch be placed in electromagnetic clutch of operating control end, the control end side of cutter electromagnetic clutch; Supply transformer, near/remote control change-over switch, nearly control main ground cutter are selected axle switch, operator electromagnetic clutch jointly to form electromagnetic clutch of operating closely to control loop; Supply transformer, near/remote control change-over switch, nearly control main ground cutter select axle switch, cutter electromagnetic clutch jointly form cutter electromagnetic clutch closely control loop.
Further, nearly control main ground cutter select axle switch be provided with operator operation shelves, cutter operation shelves totally two operate shelves position.
Further, near/remote control change-over switch is provided with nearly control shelves and remote control shelves totally two operation shelves positions.
Further, the casing of described high voltage isolator operating mechanism case is also provided with RS-485 network communication interface.
The high voltage isolator of the present invention, only need a configuration operating mechanism case, only need to join an operating electrical machines in operating mechanism case, by the rotation of separate unit motor, make high_voltage isolation operating mechanism complete isolator operator and the combined floodgate of ground connection cutter, sub-switching operation, meet the power transmission of isolator, isolation and maintenance requirement. The present invention, by the divide-shut brake of the first operation connecting rod control operator, operates the divide-shut brake of connecting rod control ground cutter by the 2nd. Operator output shaft and ground cutter output shaft are all driven by same motor by reduction box, and case is installed altogether. The mechanical transmission of motor rotating shaft, reduction gearbox output shaft and operator/ground cutter output shaft completes in same casing. The present invention is by the mechanical locking device on tradition isolator body, it is loaded in the casing of operating mechanism case, machinery locking, electric blocking all realize in same operating mechanism case, decrease isolator manufacturing cost, add main, the anti-error performance of cutter when operating, anti-misoperation is simple and reliable, meets the requirement of a new generation's intelligent substation running maintenance.
The useful benefit of the present invention: 1) facility investment economizes, and the settling time is short, and running maintenance is convenient. New High Voltage Isolating Switch only needs to join 1 New High Voltage Isolating Switch operating mechanism case; 1. operation box manufacturing cost decline about 60% can be made; 2. in-site installation debugging work load reduces, and shortens the settling time about 60%; 3. cable, cable pipe and other installation auxiliary material reduce about 60%; 4. labour cost 60% is saved. 2) operation of equipment reliability height, can avoid mishandle completely. Mechanical locking, electric blocking between isolator operator and ground connection cutter all complete in New High Voltage Isolating Switch operation box, simple and reliable, not by operation personnel custom and emotion influence. 3) the running maintenance requirement of substation is met. High voltage isolator operating mechanism case possesses RS-485 network communication interface, it is possible to the position signal of isolator and operating mechanism case Control protection loop Integrity Self Test signal are uploaded by network; By real-time performance to long-range point, closing operation of high voltage isolator. 4) there is no clutch coupling in traditional isolator operating mechanism case case, and in the operating mechanism case that New High Voltage Isolating Switch of the present invention configures, it being provided with electromagnetic clutch, operator and the ground connection cutter of high voltage isolator divide, closing operation is realized by the coordinated of the motor in high voltage isolator operating mechanism case, reduction box, electromagnetic clutch.
Accompanying drawing explanation
Fig. 1 is the front view of single ground connection high voltage isolator;
Fig. 2 is the operating mechanism case vertical view of single ground connection high voltage isolator;
Fig. 3 is the operator ground connection cutter operation Controlling System one-piece construction block diagram of single ground connection high voltage isolator;
Fig. 4 is the concrete structure block diagram of the ground connection cutter operation Controlling System of operator shown in Fig. 3;
Fig. 5 is the casing front view of high voltage isolator operating mechanism case;
Fig. 6 is the schematic circuit of electric machine control securing system.
In figure: 1 high voltage isolator operating mechanism case; 2-1 first operates connecting rod; 2-2 the 2nd operates connecting rod; 3 high voltage isolator bodies; 4 operator output shafts; 5 ground cutter output shafts; 7 first coupling shafts; 8 the 2nd coupling shafts; 10 motors; 11 operator first step retarding mechanisms; 12 ground cutter first step retarding mechanisms; 14 operator second stage retarding mechanisms; 15 closely control divide-shut brake loop; 16 remote control divide-shut brake loops; 17 electromagnetic clutch control loops; 18 closely control closing circuit; 19 closely control sub-gate circuit; 20 remote control closing circuits; 21 remote control sub-gate circuits; 22 operator remote control closing circuits; 23 ground cutter remote control closing circuits; 25 operator remote control sub-gate circuits; 26 ground cutter remote control sub-gate circuits; 28 electromagnetic clutch closely control loop; 29 electromagnetic clutch remote control circuits; 30 operator electromagnetic clutch closely control loop; 31 ground cutter electromagnetic clutch closely control loop; 33 operator electromagnetic clutch remote control circuits; 34 ground cutter electromagnetic clutch remote control circuits; 36 control power supplys; 37 electric blocking devices; 38 microcomputer anti-error devices; 39 near/remote control change-over switch; 40 closely control main ground cutter selects axle switch; 41 closely control opening button; The coil of 42 points of lock contactors; 43 points of lock limit switches; 44 protection switches; 45 stop buttons; 46 closely control combined floodgate button; The coil of 47 closing contactors; 48 combined floodgate limit switches; 49 operator remote control closing switchs; 50 ground cutter remote control closing switchs; 52 operator combined floodgate intermediate relay coils; 53 ground cutter combined floodgate intermediate relay coils; 55 operator remote controls divide lock switch; 56 ground cutter remote controls divide lock switch; 58 operator point lock intermediate relay coils; 59 ground cuttves divide lock intermediate relay coil; 61 supply transformer; 62 operator point lock intermediate relay contacts; 63 operator combined floodgate intermediate relay contacts; 64 ground cuttves divide lock intermediate relay contact; 65 cutter combined floodgate intermediate relay contact, ground; 68 miniature circuit breakers; The contact of 69 closing contactors; 70 thermo-relays; The contact of 71 points of lock contactors; The 72 cutter second stage, ground retarding mechanisms; 74-2 operates electromagnetic clutch; 74-1 ground cutter electromagnetic clutch; 75 coupling shafts.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Single ground connection high voltage isolator, comprise high voltage isolator operating mechanism case 1, operation connecting rod and single ground connection isolator body 3, described high voltage isolator operating mechanism case 1 is provided with two output shafts, two output shafts are made up of output shaft 4, ground cutter output shaft 5 of operating, operator output shaft 4 is connected with the first coupling shaft 7 of high voltage isolator body 3 by the first operation connecting rod 2-1, and the first coupling shaft 7 is connected with operator; Ground cutter output shaft 5 is connected with the 2nd coupling shaft 8 of high voltage isolator body 3 by the 2nd operation connecting rod 2-2, and the 2nd coupling shaft 8 is connected with ground cutter.
Being provided with an operating electrical machines 10, two in described high voltage isolator operating mechanism case 1 and overlap first step retarding mechanism and two cover second stage retarding mechanisms, first step retarding mechanism is connected with second stage retarding mechanism by electromagnetic clutch;
Two cover first step retarding mechanisms are by first step retarding mechanism 11 of operating, ground cutter first step retarding mechanism 12 forms, two cover second stage retarding mechanisms are by second stage retarding mechanism 14 of operating, the cutter second stage, ground retarding mechanism 72 forms, operator first step retarding mechanism 11 is connected with operator second stage retarding mechanism 14 by operator electromagnetic clutch 74-2, ground cutter first step retarding mechanism 12 is connected with the cutter second stage, ground retarding mechanism 72 by ground cutter electromagnetic clutch 74-1, operator first step retarding mechanism 11, ground cutter first step retarding mechanism 12 is connected successively by coupling shaft 75, motor 10 is connected with ground cutter first step retarding mechanism 12, operator output shaft 4 is located on operator second stage retarding mechanism 14, ground cutter output shaft 5 is located on the cutter second stage, ground retarding mechanism 72.
The 2nd coupling shaft 8 on single ground connection isolator body 3 and the distance between the first coupling shaft 7 are 300mm, first coupling shaft 7 is controlled by the operator output shaft 4 being convenient on high voltage isolator operating mechanism case 1 by the first operation connecting rod 2-1, and the 2nd coupling shaft 8 is controlled by ground cutter output shaft 5 by the 2nd operation connecting rod 2-2.
It is provided with, between described operator and ground cutter, the mechanical locking device (not shown) being placed in high voltage isolator operating mechanism case 1.
The high voltage isolator of the present invention also comprises electrical control system, and described electrical control system operates Controlling System by electric machine control securing system and operator ground connection cutter and forms.
Operator ground connection cutter operation Controlling System comprises nearly control divide-shut brake loop 15, remote control divide-shut brake loop 16, electromagnetic clutch control loop 17; Nearly control divide-shut brake loop 15 forms by closely controlling closing circuit 18 and closely control sub-gate circuit 19; Remote control divide-shut brake loop 16 is made up of remote control closing circuit 20 and remote control sub-gate circuit 21, remote control closing circuit 20 by operator remote control closing circuit 22, cutter remote control closing circuit 23 form, remote control sub-gate circuit 21 by operator remote control sub-gate circuit 25, cutter remote control sub-gate circuit 26 form; Electromagnetic clutch control loop 17 closely controls loop 28 by electromagnetic clutch and electromagnetic clutch remote control circuit 29 forms, electromagnetic clutch closely control loop 28 by operator electromagnetic clutch closely control loop 30, cutter electromagnetic clutch closely control loop 31 and form, electromagnetic clutch remote control circuit 29 by operator electromagnetic clutch remote control circuit 33, cutter electromagnetic clutch remote control circuit 34 form.
Described nearly control sub-gate circuit 19 comprises control power supply 36, electric blocking device 37, microcomputer anti-error device 38, near/remote control change-over switch 39, nearly control main ground cutter select coil 42, point lock limit switch 43 of axle switch 40, nearly control opening button 41, point lock contactor, protect switch 44, stop button 45; Control power supply 36, electric blocking device 37, microcomputer anti-error device 38, closely/remote control change-over switch 39, nearly control main ground cutter select axle switch 40, nearly control opening button 41, the coil 42 dividing lock contactor, point lock limit switch 43, protection switch 44 and stop button 45 head and the tail serial connection formation loop successively;
Described nearly control closing circuit 18 comprises control power supply 36, electric blocking device 37, microcomputer anti-error device 38, near/remote control change-over switch 39, nearly control main ground cutter select coil 47, the combined floodgate limit switch 48 of axle switch 40, nearly control combined floodgate button 46, closing contactor, protect switch 44, stop button 45; Control power supply 36, electric blocking device 37, microcomputer anti-error device 38, closely/remote control change-over switch 39, nearly control main ground cutter are selected coil 47, the combined floodgate limit switch 48 of axle switch 40, closely control combined floodgate button 46, closing contactor, are protected switch 44 and stop button 45 head and the tail serial connection formation loop successively;
Described remote control closing circuit 20 comprise control power supply 36, electric blocking device 37, near/remote control change-over switch 39, operator remote control closing switch 49, cutter remote control closing switch 50, operator combined floodgate intermediate relay coil 52, the coil 53 of cutter combined floodgate intermediate relay, the coil 47 of closing contactor, combined floodgate limit switch 48, protection switch 44 and stop button 45; The coil 52 of control power supply 36, electric blocking device 37, near/remote control change-over switch 39, remote control closing switch 49 of operating, operator combined floodgate intermediate relay, the coil 47 of closing contactor, combined floodgate limit switch 48, protection switch 44 and stop button 45 head and the tail serial connection formation operator remote control closing circuit 22 successively; Control power supply 36, electric blocking device 37, near/remote control change-over switch 39, cutter remote control closing switch 50, the coil 53 of cutter combined floodgate intermediate relay, the coil 47 of closing contactor, combined floodgate limit switch 48, protection switch 44 and stop button 45 successively head and the tail serial connection form ground cutter remote control closing circuit 23;
Described remote control sub-gate circuit 21 comprises control power supply 36, electric blocking device 37, near/remote control change-over switch 39, operator remote control divide lock switch 55, cutter remote control divide lock switch 56, operator point lock intermediate relay coil 58, cutter divide the coil 42 of the coil 59 of lock intermediate relay, point lock contactor, point lock limit switch 43, protection switch 44 and stop button 45; Control power supply 36, electric blocking device 37, near/remote control change-over switch 39, operator remote control divide the coil 42 of the coil 58 of lock switch 55, operator point lock intermediate relay, point lock contactor, point lock limit switch 43, protection switch 44 and stop button 45 successively head and the tail serial connection form operator remote control sub-gate circuit 25; Control power supply 36, electric blocking device 37, near/remote control change-over switch 39, cutter remote control divide lock switch 56, cutter divide the coil 42 of the coil 59 of lock intermediate relay, point lock contactor, point lock limit switch 43, protection switch 44 and stop button 45 successively head and the tail serial connection form ground cutter remote control sub-gate circuit 26;
Electromagnetic clutch remote control circuit 29 comprises supply transformer 61, closely/remote control change-over switch 39, the contact 62 of operator point lock intermediate relay, the contact 63 of operator combined floodgate intermediate relay, ground cutter divides the contact 64 of lock intermediate relay, the contact 65 of ground cutter combined floodgate intermediate relay, operator electromagnetic clutch 74-2, ground cutter electromagnetic clutch 74-1, the contact 62 of operator point lock intermediate relay, the operator contact 63 of combined floodgate intermediate relay is also connected between near/remote control change-over switch 39 and operator electromagnetic clutch 74-2 after connecing, ground cutter divides the contact 64 of lock intermediate relay, the contact 65 of cutter combined floodgate intermediate relay, ground is also connected between near/remote control change-over switch 39 and ground cutter electromagnetic clutch 74-1 after connecing, operator electromagnetic clutch 74-2, ground cutter electromagnetic clutch 74-1 is all connected with supply transformer 61, supply transformer 61 is connected with near/remote control change-over switch 39, the contact 62 of supply transformer 61, near/remote control change-over switch 39, operator point lock intermediate relay, the contact 63 of operator combined floodgate intermediate relay, operator electromagnetic clutch 74-2 form operator electromagnetic clutch remote control circuit 33 jointly, supply transformer 61, near/remote control change-over switch 39, cutter divide lock intermediate relay contact 64, cutter combined floodgate intermediate relay contact 65, cutter electromagnetic clutch 74-1 jointly form ground cutter electromagnetic clutch remote control circuit 34,
Electromagnetic clutch closely controls that loop 28 comprises supply transformer 61, near/remote control change-over switch 39, nearly control main ground cutter select axle switch 40, the electromagnetic clutch 74-2 that operates, cutter electromagnetic clutch 74-1, supply transformer 61, near/remote control change-over switch 39 select axle switch 40 to be connected in series successively with nearly control main ground cutter, ground cutter electromagnetic clutch 74-1 is connected to operator electromagnetic clutch 74-2 two ends, nearly control main ground cutter select the dynamic contact of axle switch 40 be placed in the electromagnetic clutch 74-2 that operates control end, the control end side of cutter electromagnetic clutch 74-1; Supply transformer 61, near/remote control change-over switch 39, nearly control main ground cutter select axle switch 40, the electromagnetic clutch 74-2 that operates jointly forms operator electromagnetic clutch and closely controls loop 30; Supply transformer 61, near/remote control change-over switch 39, nearly control main ground cutter select axle switch 40, cutter electromagnetic clutch 74-1 jointly form cutter electromagnetic clutch closely control loop 31.
Nearly control main ground cutter select axle switch 40 be provided with operator operation shelves, cutter operation shelves totally two operate shelves position.
Closely/remote control change-over switch 39 is provided with nearly control shelves and remote control shelves totally two operation shelves positions.
The casing of described operating mechanism case is also provided with RS-485 network communication interface.
With reference to Fig. 6; electric machine control securing system comprises motor and rotates forward controlling brancher and motor reversal controlling brancher; motor rotates forward controlling brancher and comprises miniature circuit breaker 68, the contact 69 of closing contactor, thermo-relay 70; the contact 69 of miniature circuit breaker 68, closing contactor and thermo-relay 70, motor 4 are connected successively; contact 69 two ends of closing contactor are parallel with a point contact for lock contactor 71, and the contact 71 of point lock contactor, miniature circuit breaker 68 and thermo-relay 70 form motor reversal controlling brancher jointly.
Need the operator of local operation isolator close a floodgate (or operator point lock) time, nearly/remote control change-over switch 39 is got to and is closely controlled shelves, nearly control main ground cutter selects axle switch 40 to get to operator operation shelves, nearly control main ground cutter selects the dynamic contact of axle switch 40 to contact with the control end of operator electromagnetic clutch 74-2, the operator electromagnetic clutch of electromagnetic clutch control loop 17 is closely controlled loop 30 and is connected, making operator electromagnetic clutch 74-2 adhesive, operator first step retarding mechanism 11 and operator second stage retarding mechanism 14 are connected by operator electromagnetic clutch 74-2, then, press nearly control combined floodgate button 46(or nearly control opening button 41), the nearly control closing circuit 18 in nearly control divide-shut brake loop 15 is connected (or closely control sub-gate circuit 19 is connected), the contact 69(of closing contactor or the contact 71 of point lock contactor simultaneously) adhesive, motor 4 starts to rotate forward (or reversion), operator first step retarding mechanism 11 is driven by motor 4 rotating shaft, the axle of ground cutter first step retarding mechanism 12 is (or counterclockwise) rotation clockwise, and then drive the operator output shaft 4 on operator second stage retarding mechanism 14 to rotate by operator electromagnetic clutch 74-2, operator output shaft 4 drives the first coupling shaft 7 to move by the first operation connecting rod 2-1, operator motion is driven by the first coupling shaft 7, realize the combined floodgate (or point lock) of operator, operator is closed a floodgate after (or point lock) put in place, by combined floodgate limit switch 48(or point lock limit switch 43), it is achieved nearly control closing circuit 18(or nearly control sub-gate circuit 19) disconnection, combined floodgate (or point lock) operation of operator terminates. divide on the spot lock, the on the spot closing operation of ground cutter operate with reason.
Need the operator of telemanipulation isolator close a floodgate (or operator point lock) time, nearly/remote control change-over switch 39 gets to remote control shelves, connection operator remote control closing switch 49(or operator remote control divide lock switch 55), the coil 52(of operator combined floodgate intermediate relay or the coil 58 of operator point lock intermediate relay) must be electric, the contact 62(of operator combined floodgate intermediate relay or the contact 63 of operator point lock intermediate relay) adhesive, operator electromagnetic clutch remote control circuit 33 is connected, operator electromagnetic clutch 74-2 adhesive, operator first step retarding mechanism 11 and operator second stage retarding mechanism 14 are connected by operator electromagnetic clutch 74-2, simultaneously, operator remote control closing circuit 22(or operator remote control sub-gate circuit 25) connect, the contact 69(of closing contactor or the contact 71 of point lock contactor) adhesive, motor 4 starts to rotate forward (or reversion), operator first step retarding mechanism 11 is driven by motor 4 rotating shaft, the axle of ground cutter first step retarding mechanism 12 is (or counterclockwise) rotation clockwise, and then drive the operator output shaft 4 on operator second stage retarding mechanism 14 to rotate by operator electromagnetic clutch 74-2, operator output shaft 4 drives the first coupling shaft 7 to move by the first operation connecting rod 2-1, operator motion is driven by the first coupling shaft 7, realize the combined floodgate (or point lock) of operator, operator is closed a floodgate after (or point lock) put in place, by combined floodgate limit switch 48(or point lock limit switch 43), it is achieved operator remote control closing circuit 22(or operator remote control sub-gate circuit 25) disconnection, the combined floodgate (or point lock) of telemanipulation operator terminates. point lock of telemanipulation ground cutter, same reason of closing a floodgate.
Claims (9)
1. single ground connection high voltage isolator, comprise high voltage isolator operating mechanism case (1), operation connecting rod and high voltage isolator body (3), it is characterized in that, described high voltage isolator operating mechanism case (1) is provided with two output shafts, two output shafts are made up of an output shaft (4) of operating, ground cutter output shaft (5), operator output shaft (4) is connected with first coupling shaft (7) of high voltage isolator body (3) by the first operation connecting rod (2-1), and the first coupling shaft (7) is connected with operator; Ground cutter output shaft (5) is connected with the 2nd coupling shaft (8) of high voltage isolator body (3) by the 2nd operation connecting rod (2-2), and the 2nd coupling shaft (8) is connected with ground cutter;
Also comprising electrical control system, described electrical control system operates Controlling System by electric machine control securing system and operator ground connection cutter and forms;
Operator ground connection cutter operation Controlling System comprises nearly control divide-shut brake loop (15), remote control divide-shut brake loop (16), electromagnetic clutch control loop (17); Nearly control divide-shut brake loop (15) forms by closely controlling closing circuit (18) and closely control sub-gate circuit (19); Remote control divide-shut brake loop (16) is made up of remote control closing circuit (20) and remote control sub-gate circuit (21), remote control closing circuit (20) by operator remote control closing circuit (22), cutter remote control closing circuit (23) form, remote control sub-gate circuit (21) by operate remote control sub-gate circuit (25), cutter remote control sub-gate circuit (26) form; Electromagnetic clutch control loop (17) closely controls loop (28) by electromagnetic clutch and electromagnetic clutch remote control circuit (29) forms, electromagnetic clutch closely control loop (28) by operator electromagnetic clutch closely control loop (30), cutter electromagnetic clutch closely control loop (31) and form, electromagnetic clutch remote control circuit (29) by electromagnetic clutch remote control circuit (33) of operating, cutter electromagnetic clutch remote control circuit (34) form.
2. single ground connection high voltage isolator according to claim 1, it is characterized in that, being provided with an operating electrical machines (10), two cover first step retarding mechanisms and two cover second stage retarding mechanisms in described high voltage isolator operating mechanism case (1), first step retarding mechanism is connected with second stage retarding mechanism by electromagnetic clutch;
Two cover first step retarding mechanisms are by first step retarding mechanism (11) of operating, ground cutter first step retarding mechanism (12) composition, two cover second stage retarding mechanisms are by second stage retarding mechanism (14) of operating, cutter second stage retarding mechanism, ground (72) composition, operator first step retarding mechanism (11) is connected with operator second stage retarding mechanism (14) by operator electromagnetic clutch (74-2), ground cutter first step retarding mechanism (12) is connected with cutter second stage retarding mechanism, ground (72) by ground cutter electromagnetic clutch (74-1), operator first step retarding mechanism (11), connected successively by coupling shaft (75) in ground cutter first step retarding mechanism (12), operating electrical machines (10) is connected with ground cutter first step retarding mechanism (12), operator output shaft (4) is located in operator second stage retarding mechanism (14), ground cutter output shaft (5) is located on cutter second stage retarding mechanism, ground (72).
3. single ground connection high voltage isolator according to claim 1, it is characterised in that, the distance between the 2nd coupling shaft (8) and the first coupling shaft (7) is 150-450mm.
4. single ground connection high voltage isolator according to claim 3, it is characterised in that, the distance between the 2nd coupling shaft (8) and the first coupling shaft (7) is 300mm.
5. single ground connection high voltage isolator according to claim 1, it is characterised in that, it is provided with, between described operator and ground cutter, the mechanical locking device being placed in high voltage isolator operating mechanism case (1).
6. single ground connection high voltage isolator according to claim 1, it is characterized in that, described nearly control sub-gate circuit (19) comprises control power supply (36), electric blocking device (37), microcomputer anti-error device (38), near/remote control change-over switch (39), nearly control main ground cutter select axle switch (40), closely control opening button (41), coil (42), point lock limit switch (43) of point lock contactor, protect switch (44), stop button (45); Control power supply (36), electric blocking device (37), microcomputer anti-error device (38), near/remote control change-over switch (39), nearly control main ground cutter select axle switch (40), closely control opening button (41), divide the coil (42) of lock contactor, point lock limit switch (43), protection switch (44) and stop button (45) head and the tail serial connection formation loop successively;
Described nearly control closing circuit (18) comprises control power supply (36), electric blocking device (37), microcomputer anti-error device (38), near/remote control change-over switch (39), nearly control main ground cutter select axle switch (40), nearly control combined floodgate button (46), closing contactor coil (47), combined floodgate limit switch (48), protect switch (44), stop button (45); Control power supply (36), electric blocking device (37), microcomputer anti-error device (38), closely/remote control change-over switch (39), nearly control main ground cutter select coil (47), the combined floodgate limit switch (48) of axle switch (40), closely control combined floodgate button (46), closing contactor, protect switch (44) and stop button (45) head and the tail serial connection formation loop successively;
Described remote control closing circuit (20) comprise control power supply (36), electric blocking device (37), near/remote control change-over switch (39), operator remote control closing switch (49), cutter remote control closing switch (50), operator combined floodgate intermediate relay coil (52), the coil (53) of cutter combined floodgate intermediate relay, the coil (47) of closing contactor, combined floodgate limit switch (48), protection switch (44) and stop button (45); The coil (52) of control power supply (36), electric blocking device (37), near/remote control change-over switch (39), remote control closing switch (49) of operating, operator combined floodgate intermediate relay, the coil (47) of closing contactor, combined floodgate limit switch (48), protection switch (44) and stop button (45) head and the tail serial connection formation operator remote control closing circuit (22) successively; Control power supply (36), electric blocking device (37), near/remote control change-over switch (39), cutter remote control closing switch (50), the coil (53) of cutter combined floodgate intermediate relay, the coil (47) of closing contactor, combined floodgate limit switch (48), protection switch (44) and stop button (45) successively head and the tail serial connection form cutter remote control closing circuit (23);
Described remote control sub-gate circuit (21) comprises control power supply (36), electric blocking device (37), near/remote control change-over switch (39), operator remote control divide lock switch (55), cutter remote control divide lock switch (56), operator point lock intermediate relay coil (58), cutter divide the coil (42) of the coil (59) of lock intermediate relay, point lock contactor, point lock limit switch (43), protection switch (44) and stop button (45); Control power supply (36), electric blocking device (37), near/remote control change-over switch (39), operator remote control divide the coil (42) of the coil (58) of lock switch (55), operator point lock intermediate relay, point lock contactor, point lock limit switch (43), protection switch (44) and stop button (45) successively head and the tail serial connection form remote control sub-gate circuit (25) of operating; Control power supply (36), electric blocking device (37), near/remote control change-over switch (39), cutter remote control divide lock switch (56), cutter divide the coil (42) of the coil (59) of lock intermediate relay, point lock contactor, point lock limit switch (43), protection switch (44) and stop button (45) successively head and the tail serial connection form cutter remote control sub-gate circuit (26);
Electromagnetic clutch remote control circuit (29) comprises supply transformer (61), closely/remote control change-over switch (39), the contact (62) of operator point lock intermediate relay, the contact (63) of operator combined floodgate intermediate relay, ground cutter divides the contact (64) of lock intermediate relay, the contact (65) of ground cutter combined floodgate intermediate relay, operator electromagnetic clutch (74-2), ground cutter electromagnetic clutch (74-1), the contact (62) of operator point lock intermediate relay, the operator contact (63) of combined floodgate intermediate relay is also connected near/remote control change-over switch (39) and operates between electromagnetic clutch (74-2) after connecing, and ground cutter divides the contact (64) of lock intermediate relay, the contact (65) of cutter combined floodgate intermediate relay, ground is also connected between near/remote control change-over switch (39) with ground cutter electromagnetic clutch (74-1) after connecing, electromagnetic clutch of operating (74-2), ground cutter electromagnetic clutch (74-1) is all connected with supply transformer (61), and supply transformer (61) is connected with near/remote control change-over switch (39), the contact (62) of supply transformer (61), near/remote control change-over switch (39), operator point lock intermediate relay, the contact (63) of operator combined floodgate intermediate relay, operator electromagnetic clutch (74-2) form operator electromagnetic clutch remote control circuit (33) jointly, supply transformer (61), near/remote control change-over switch (39), cutter divide lock intermediate relay contact (64), cutter combined floodgate intermediate relay contact (65), cutter electromagnetic clutch (74-1) jointly form ground cutter electromagnetic clutch remote control circuit (34),
Electromagnetic clutch is closely controlled loop (28) and is comprised supply transformer (61), closely/remote control change-over switch (39), nearly control main ground cutter selects axle switch (40), operator electromagnetic clutch (74-2), ground cutter electromagnetic clutch (74-1), supply transformer (61), closely/remote control change-over switch (39) selects axle switch (40) to be connected in series successively with nearly control main ground cutter, ground cutter electromagnetic clutch (74-1) is connected to operator electromagnetic clutch (74-2) two ends, nearly control main ground cutter selects the dynamic contact of axle switch (40) to be placed in the control end of operator electromagnetic clutch (74-2), the control end side on ground cutter electromagnetic clutch (74-1), supply transformer (61), closely/remote control change-over switch (39), nearly control main ground cutter select axle switch (40), operator electromagnetic clutch (74-2) common formation operator electromagnetic clutch closely to control loop (30), supply transformer (61), near/remote control change-over switch (39), nearly control main ground cutter select axle switch (40), cutter electromagnetic clutch (74-1) jointly form cutter electromagnetic clutch closely control loop (31).
7. single ground connection high voltage isolator according to claim 6, it is characterised in that, nearly control main ground cutter select axle switch (40) be provided with operator operation shelves, cutter operation shelves totally two operate shelves position.
8. single ground connection high voltage isolator according to claim 6, it is characterised in that, near/remote control change-over switch (39) is provided with nearly control shelves and remote control shelves totally two operation shelves positions.
9. single ground connection high voltage isolator according to claim 6, it is characterised in that, the casing of described high voltage isolator operating mechanism case (1) is also provided with RS-485 network communication interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410656341.4A CN104319153B (en) | 2014-11-18 | 2014-11-18 | Single ground connection high voltage isolator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410656341.4A CN104319153B (en) | 2014-11-18 | 2014-11-18 | Single ground connection high voltage isolator |
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| CN104319153A CN104319153A (en) | 2015-01-28 |
| CN104319153B true CN104319153B (en) | 2016-06-01 |
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| RU199451U1 (en) * | 2020-05-12 | 2020-09-02 | Глеб Геннадьевич Леваков | Disconnector control device |
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| CN2935442Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Main shaft and earthing rotation shaft interlinking mechanism of high-voltage segregate switch |
| CN201242967Y (en) * | 2008-07-24 | 2009-05-20 | 宁波阿鲁亚德胜隔离开关有限公司 | Outdoor high-voltage isolating switch operating mechanism |
| CN101807484A (en) * | 2010-04-22 | 2010-08-18 | 中国西电电气股份有限公司 | High-powder operation device |
| CN204102785U (en) * | 2014-11-18 | 2015-01-14 | 湖南省电力勘测设计院 | A kind of novel single ground connection high voltage isolator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2339136T3 (en) * | 2005-11-02 | 2010-05-17 | Abb Technology Ag | HIGH POWER BREAKER SWITCH IN HIGH VOLTAGE CIRCUIT AND SWITCH CONFIGURATION. |
| US20090218208A1 (en) * | 2006-01-18 | 2009-09-03 | Abb Technology Ltd. | Disconnector and a support insulator therefor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2935442Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Main shaft and earthing rotation shaft interlinking mechanism of high-voltage segregate switch |
| CN201242967Y (en) * | 2008-07-24 | 2009-05-20 | 宁波阿鲁亚德胜隔离开关有限公司 | Outdoor high-voltage isolating switch operating mechanism |
| CN101807484A (en) * | 2010-04-22 | 2010-08-18 | 中国西电电气股份有限公司 | High-powder operation device |
| CN204102785U (en) * | 2014-11-18 | 2015-01-14 | 湖南省电力勘测设计院 | A kind of novel single ground connection high voltage isolator |
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Address after: The 410007 West Hunan province Changsha Yuhua District No. 471 Patentee after: Electric Power Design Institute Co., Ltd of energy source in China construction group Hunan Province Patentee after: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP CO., LTD. Address before: 410007 No. 471 West labour Road, Hunan, Changsha Patentee before: Hunan Electric Power Prospecting Design Inst. Patentee before: HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP CO., LTD. |