CN2600280Y - Railway 10KV self-close through electric line telemechanical switch - Google Patents
Railway 10KV self-close through electric line telemechanical switch Download PDFInfo
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- CN2600280Y CN2600280Y CN 02289724 CN02289724U CN2600280Y CN 2600280 Y CN2600280 Y CN 2600280Y CN 02289724 CN02289724 CN 02289724 CN 02289724 U CN02289724 U CN 02289724U CN 2600280 Y CN2600280 Y CN 2600280Y
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- switch
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- control box
- electric line
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Abstract
The utility model relates to a switch device for power supply transmission line of railway, specifically a 10KV self-closing through electric line remote switch for railway. The utility model is used to address the issue of large one-time investment, complex structure and high failure rate of an actuator of the remote device. The structure is that a vacuum load switch is arranged on the upper part of a control box, an insulation drawbar in the vacuum load switch is connected with a switch actuator in the control box, and a control circuit is electrically connected with the switch actuator. The device takes vacuum interrupter as the main fracture of the switch, realizes on-off of the switch under the control of the control circuit, therefore, achieving automatic isolation and restoring power supply. The device has high level of automation and can monitor train operation state while realizing remote control, remote communication and telemetry of distribution line.
Description
The utility model relates to a kind of switching device of railway power supply circuit, the self-closing perforation electric line of specifically a kind of railway 10KV telemechanical switch.
The railway electric power system downline that automatically closes up has set up two-way 10KV supply line, be called for short self-closing, connect electric line.Generally be separated by and establish a substation about 50km, power supply distance is longer.In case the circuit fault, incidence is big, searches, the used time of isolated fault is long, generally needs two or three hours, causes on a large scale, transportation is interrupted for a long time.Use telemechanical apparatus can make this class fault in several seconds, search out and isolate automatically and restore electricity.Telemechanical apparatus is mature technology at home, but its actuating unit that is that all right is ripe, self-closing at railway, connect electric power system and then just begun to use.Prior art is to be separated by in the line to establish a switchyard about 10km, in establish high and low pressure switch cubicle and storage battery straight-flow system, introduce, feed out by high-tension cable.The one-time investment of a switchyard reaches 600,000 yuan, and its complex structure, huge keeps in repair loaded down with trivial details and expense is high, the fault rate height.
But the purpose of this utility model just provide a kind of direct mount out of doors the railway 10KV on the post self-closing, connect electric line telemechanical switch, replacing the switchyard of present use, thus simplified apparatus, cost-cutting improves reliability.
The utility model is achieved in that the telemechanical switching device is on control box top vacuum load switch to be housed, and the insulated tension pole in the vacuum load switch Central Shanxi Plain and the switch actuating unit in the control box join, and control circuit is electrically connected with the switch actuating unit.This device adopts the main fracture of vacuum interrupter as switch, overcoat insulating tube.Under control circuit control, affect insulated tension pole to realize the disconnection and the closure of vacuum interrupter by the switch actuating unit, thus the purpose that reaches automatic isolation and restore electricity.
This device can be realized the Long-distance Control of switch branch, closing operation, the degree of automation height, and can monitor the train running state, the voltage of remote measurement operating voltage, electric current and fault, electric current.The work of control circuit and switch motion required drive both can use source of AC, also can avoid making the drawback that investment is big, maintenance is loaded down with trivial details that backup power is brought with storage battery by the reservoir capacitance support when losing source of AC.The switch actuating unit is simple in structure, the reliability height.This device separate unit price only is 30,000 yuan, can reduce investment outlay 90% than switchyard, and has characteristics such as multiple functional, simple in structure, easy to maintenance, dependable performance.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of vacuum load switch.
Fig. 3 is the electrical schematic diagram of control circuit.
Among Fig. 1, be provided with three vacuum load switchs 8 on the top of control box 2, to connect three-phase 10KV supply line.A kind of specific implementation of vacuum load switch 8 is to be equiped with vacuum interrupter 14 in last insulating tube 20 as shown in Figure 2, connects outlet busbar 13 in the upper end of last insulating tube, outlet busbar 18 under the following termination; In the insulating tube 16 insulated tension pole 17 is being housed down, the upper end of insulated tension pole and vacuum interrupter 14 join; Side between upper and lower insulating tube 20,16 is fixed with current transformer 19, and following outlet busbar 18 passes from the mesopore of current transformer 19.The lower end of the upper port of following insulating tube 16 and last insulating tube 20 joins, and rises and supports and insulating effect.The moving contact of termination vacuum interrupter 14 on the insulated tension pole 17 in the middle, control box 2 end faces are passed in the lower end, connect the switch inside actuating unit.The moving contact of vacuum interrupter 14 is realized being electrically connected with following outlet busbar 18 by the line 15 that is flexible coupling.The water conservancy diversion loop from up to down is like this:
The last outlet busbar → vacuum interrupter static contact → vacuum interrupter moving contact → line that is flexible coupling → following outlet busbar
Switch actuating unit in the control box 2 is that a end at horizontal main shaft 11 is equipped with by steering unit and promotes branch, the making electromagnet 1 that main shaft rotates as shown in Figure 1, and the lower end of the insulated tension pole 17 in the vacuum load switch 8 joins by connecting rod 10 and main shaft 11.Electromagnet 1 is divided into two of tripping electromagnet and making electromagnets, promoting main shaft 11 by steering unit does cw or C.C.W. branch, closes a floodgate and rotate, drive connecting rod 10 actions of on main shaft 11, installing thus, by push-and-pull insulation push rod 17, dynamic and static contact on the vacuum interrupter 14 is realized deciliter.This switch actuating unit has saved traditional four-bar linkage, makes designs simplification, and parts reduce, and fault rate reduces.
The steering unit that promotes main shaft 11 actions is preferably the energy storage type steering unit, and its structure is that the sidewall at control box 2 is equipped with energy storage axle 4, the interior termination energy storage connecting lever 6 of energy storage axle 4, the outer termination manual joystick 3 of storage arm axle 4 as shown in Figure 1.Hook has energy stroage spring 9 in the upper end of energy storage connecting lever 6, and the other end of energy stroage spring is connected on the distolateral connecting lever of main shaft 11.Simultaneously, pilot switch 13 is housed also in control box 2, drive link 14 is connected between main shaft 11 and the pilot switch 13.
The working process of this switching device is: when control circuit sends the instruction of branch (closing) lock, corresponding (closing) lock electromagnet 1 that divides gets, electromagnetic core upwards promotes energy storage axle 4 rotations (cw is " closing ", and conter clockwise is " branch "), and the energy storage connecting lever 6 on the energy storage axle 4 elongates energy stroage spring 7.When mid point was passed through in 4 rotations of energy storage axle, energy stroage spring 7 pulling main shafts 11 rotated.Main shaft 11 drivening rods 10 make vacuum load switch 8 realize dividing, closing action.The drive link 14 that is connected simultaneously on the main shaft 11 drives pilot switch 13 rotations.Control circuit is monitored the switch position of vacuum extinction switch by the conversion of pilot switch contact.But the socket pressurized spring 9 also in insulated tension pole 17 lower ends so that during switch closure, between the dynamic and static contact on the vacuum interrupter certain pressure is arranged, guarantees well contact.Manual joystick 3 is that its internal work process is the same in order to the operation of realization hand switch.Control circuit is to be electrically connected with high-voltage switch gear by aviation plug 12.Also be provided with hoisting ring 5 at four sides, the top of control box 2, realize the installation on the post out of doors of this switching device with convenient.
A kind of specific implementation of control circuit is made up of main power supply conversion loop, combined floodgate control loop, separating brake control loop, overcurrent time-delay control loop, closing circuit, sub-gate circuit, divide-shut brake indication loop as shown in Figure 3 from top to bottom in this switching device.Its principle of work is as follows: main power supply conversion is automaticallyed switch by two AC contactor 1CJ, 2CJ, when one road power supply dead electricity wherein, is transformed into another road automatically. Diode 1D, 2D, 3D provide direct supply to control loop, divide-shut brake loop and reservoir capacitance 1C, 2C, 3C respectively.K is " telemechanical ", " locality " change-over switch, and the top is " locality " position, and the below is " telemechanical " position.During closing operation, M/C button HSB closure or telemechanical control make the HYC junction closure, and the coil of intermediate relay 1ZJ, closing contactor HKM is subjected to electricity, connects closing circuit, finishes feed motion; During sub-switching operation, M/C button TSB closure or telemechanical control make the TYC junction closure, and the coil of intermediate relay 2ZJ, separating brake contactless switch TKM is subjected to electricity, connects sub-gate circuit, finishes the separating brake action.
The electric elements of control circuit are installed in the control box, its mouth links to each other with vac switch by 21 core control cable, input end links to each other with the terminal of telemechanical apparatus by communication port, to realize the Long-distance Control of switch branch, closing operation, and, realize the monitoring of train running state by remote measurement operating voltage, electric current and false voltage, electric current.This device can be realized remote control, remote signalling and the remote measurement of distribution circuit, and the failure analysis of supply line and isolation, and applicable to other 10KV electric lines.
Claims (5)
1, the self-closing perforation electric line of a kind of railway 10KV telemechanical switch, it is characterized in that this device is on control box (2) top vacuum load switch (8) to be housed, switch actuating unit in insulated tension pole in the vacuum load switch Central Shanxi Plain (17) and the control box joins, and control circuit is electrically connected with the switch actuating unit.
2, the self-closing perforation electric line of railway 10KV according to claim 1 telemechanical switch, it is characterized in that vacuum load switch (8) is an installing vacuum interrupter (14) in last insulating tube (20), its upper end connects outlet busbar (13), outlet busbar (18) under the following termination, in the insulating tube (16) insulated tension pole (17) is being housed down, the upper end of insulated tension pole and vacuum interrupter (14) join, side between upper and lower insulating tube (20,16) is fixed with current transformer (19), and following outlet busbar (18) passes from the mesopore of current transformer (19).
3, the self-closing perforation electric line of railway 10KV according to claim 2 telemechanical switch, it is characterized in that switch actuating unit in the control box (2) is that a end at horizontal main shaft (11) is equipped with by steering unit and promotes branch, the making electromagnet (1) that main shaft rotates, the lower end of the insulated tension pole (17) in the vacuum load switch (8) joins by connecting rod (10) and main shaft (11).
4, the self-closing perforation electric line of railway 10KV according to claim 3 telemechanical switch, it is characterized in that described steering unit is that sidewall at control box (2) is equipped with energy storage axle (4), the interior termination energy storage connecting lever (6) of energy storage axle, hook has energy stroage spring (9) in energy storage connecting lever upper end, and the other end of energy stroage spring is connected on the distolateral connecting lever of main shaft (11).
5, the self-closing perforation electric line of railway 10KV according to claim 4 telemechanical switch is characterized in that pilot switch (13) also is housed in the control box (2), and drive link (14) is connected between main shaft (4) and the pilot switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289724 CN2600280Y (en) | 2002-12-12 | 2002-12-12 | Railway 10KV self-close through electric line telemechanical switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289724 CN2600280Y (en) | 2002-12-12 | 2002-12-12 | Railway 10KV self-close through electric line telemechanical switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2600280Y true CN2600280Y (en) | 2004-01-21 |
Family
ID=34151312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02289724 Expired - Fee Related CN2600280Y (en) | 2002-12-12 | 2002-12-12 | Railway 10KV self-close through electric line telemechanical switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2600280Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100381319C (en) * | 2006-03-29 | 2008-04-16 | 西南交通大学 | Positioning device for fault of railway automatic blocking and continuous transmission line |
| CN110944870A (en) * | 2017-08-01 | 2020-03-31 | 瓦尔特克劳斯有限公司 | Residual load isolating switch |
-
2002
- 2002-12-12 CN CN 02289724 patent/CN2600280Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100381319C (en) * | 2006-03-29 | 2008-04-16 | 西南交通大学 | Positioning device for fault of railway automatic blocking and continuous transmission line |
| CN110944870A (en) * | 2017-08-01 | 2020-03-31 | 瓦尔特克劳斯有限公司 | Residual load isolating switch |
| CN110944870B (en) * | 2017-08-01 | 2023-11-03 | 瓦尔特克劳斯有限公司 | Residual load isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |