Isolating switch centralized control apparatus
technical field:
The utility model controls relevant with electric railway isolating switch.
Background technology
Electric isolating switch is the vitals of power supply system, accomplish safe accurate deciliter that realizes isolating switch, it is the necessary condition ensureing electric railway operation security and Operation and Maintenance personnel personal safety, current electric isolating switch is for adapting to remote control operation, in electric disconnector operating mechanism, be often provided with the intelligent interface of telemechanical operation, the operating sequence of such electric disconnector operating mechanism is: control station sends the digital coding order controlling to divide/close to controlled isolating switch by wired or wireless mode, after the intelligent interface of controlled isolating switch receives orders, by coding parsing perform isolating switch point/close action, point/close the implementation status of action to close/close judgement by auxiliary contact, then control station is sent in the digitized processing of intelligent interface, complete the circulation of an electric isolating switch operational motion process.
In the cyclic process of such a electric isolating switch operational motion, the transmission of command signal is all digitized, in the environment compared with strong electromagnetic of this electric railway in reality, there is certain potential safety hazard, command signal, in transmittance process, is difficult to control disturbed situation by stronger electromagnetic interference environment, simultaneously, the intelligent interface of electric isolating switch controls in real time for adapting to, whether reception control signal port Real-Time Monitoring all-in-one work station has control command to issue, therefore, interference signal is also real-time reception and filters, so also cannot ensure the absolutely filtration of interference signal, therefore, even in real world applications have generation electric isolating switch nonaction, certain potential safety hazard is had to the safety of electric railway operation and attendant, also the difficulty that there is very large reproduction fault in the hidden troubles removing in later stage is caused, the interference source causing malfunction cannot be judged.
utility model content:
The purpose of this utility model be to provide a kind of safe and reliable, to the operation of electric isolating switch and when electric isolating switch is without mode of operation, can precision maneuver and the stable isolating switch centralized control apparatus maintained the original state.
The utility model implementation is as follows:
The utility model electrical connection implementation:
Isolating switch centralized control apparatus ,+24V the end that it is characterized in that controlling power supply 1 is connected to the A end of function selection switch 3;-24V the end controlling power supply 1 is connected to the-24V terminal of closing operation Executive Module 6, sub-switching operation Executive Module 7; HM+ with HM-of driving power 2 is connected HM+ and the HM-terminal of closing operation Executive Module 6, sub-switching operation Executive Module 7 respectively; The remote control R terminal of function selection switch 3, is connected to+24V the terminal of intelligent control module 5; After remote control conjunction terminal YKH serial connection the 1st closed block 8 of intelligent control module 5, be connected to the YH terminal of closing operation Executive Module 6; The remote control of intelligent control module 5 is connected to the YF terminal of sub-switching operation Executive Module 7 after dividing YKF terminal to be connected in series the 2nd closed block 9; The direct control L connecting terminals of function selection switch 3 is connected to combined floodgate HA button 1 terminal, separating brake FA button 1 terminal in closing by hand/opening button 4; After combined floodgate HA button 2 terminal serial connection the 1st closed block 8 in closing by hand/opening button 4, be connected to the YH terminal of closing operation Executive Module 6; After separating brake FA button 2 terminal serial connection the 2nd closed block 9 in closing by hand/opening button 4, be connected to the YF terminal of sub-switching operation Executive Module 7; Combined floodgate lead-out terminal LH1, LH2 of closing operation Executive Module 6, by the KH terminal of twisted pair line connection in motor-operating mechanism 10; Separating brake lead-out terminal LF1, LF2 of sub-switching operation Executive Module 7, by the KF terminal of twisted pair line connection in motor-operating mechanism 10; YX, XM terminal of intelligent control module 5, by the WX terminal of twisted pair line connection in motor-operating mechanism 10; The LAN terminal of intelligent control module 5 connects host computer integrated system by network, and the BSF connecting terminals of closing operation Executive Module 6 is connected to the K2 terminal of the 2nd closed block 9; The BSH connecting terminals of sub-switching operation Executive Module 7 is connected to the K1 terminal of the 1st closed block 8.
Controlling power supply 1 is HES-75-24, and driving power 2 is ER22005/S, and intelligent control module 5 is QL-JKK-9A, and closing operation Executive Module 6 and sub-switching operation Executive Module 7 are LC1D12MDC, the 1st, 2 closed blocks are LC1D12/F.
The utility model isolating switch centralized control apparatus, it is exactly the environment compared with strong electromagnetic for electric railway, adopt and concentrate wired control mode, transmit with direct current signal and adopt the principle of common mode inhibition to eliminate electromagnetic environment to the interference of control procedure, what realize electric isolating switch accurately divides/closing operation, guarantee power supply safety runs, and stops the equipment that causes because of the malfunction of electric isolating switch and economic loss.
The beneficial effects of the utility model are, provide a set of brand-new isolating switch central control device, for the environment compared with strong electromagnetic of electric railway, adopt to concentrate and have line traffic control, transmit with direct current signal and adopt the twisted-pair feeder that can suppress common mode disturbances to drive transmission means, eliminate the interference that electromagnetic environment may cause control procedure, what realize electric isolating switch accurately divides/closing operation, guarantee power supply safety runs, and stops the equipment that causes because of the malfunction of electric isolating switch and economic loss.
accompanying drawing illustrates:
Fig. 1 is isolating switch centralized control apparatus pie graph.
tool stops execution mode:
The utility model isolating switch centralized control apparatus, is characterized in that the centralized control adopting electric isolating switch; The controls transfer of remote control, remote signalling is completed with direct current signal; Independently remote control, remote signalling and power supply twisted-pair feeder is used to eliminate common mode disturbances.
The utility model is made up of (Fig. 1) nine critical pieces:
Control power supply 1, driving power 2, function selection switch 3, closing by hand/opening button 4, intelligent control module 5, closing operation Executive Module 6, sub-switching operation Executive Module 7, closed block 8, closed block 9.
Functional realiey mode of the present utility model: this isolating switch centralized control apparatus has remote control function, Non-follow control function, quiescing function, the conversion between each function is completed by its function selection switch 3; The excitation power supply of controlling functions derives from and controls power supply 1, to the drive current of the driving motor-operating mechanism 10 required for separating brake/closing operation, derives from HM+ and the MH-terminal of driving power 2.
When function selection switch 3 is placed in R position: this isolating switch centralized control apparatus is set in Long-distance Control state, + 24V the power supply provided by control power supply 1, hold through the A of function selection switch 3, R end is transferred to the+24V terminal of intelligent control module 5, for intelligent control module 5 provides working power, now, the all-in-one work station operational order forwarded to this isolating switch centralized control apparatus by integrated system, LAN terminal through intelligent control module 5 inputs, command type is gone out by the communication protocol analytical confirmation of intelligent control module 5, if order is closing operation order, intelligent control module 5 is by YKH terminal, YH terminal to closing operation Executive Module 6 exports energization control signal, after closing operation Executive Module 6 receives switching signal, pass through LH1, the twisted-pair feeder that LH2 terminal connects, to motor-operating mechanism 10 output driving current, motor-operating mechanism 10 is driven to complete the closing operation of isolating switch, simultaneously, when closing operation Executive Module 6 is to motor-operating mechanism 10 output driving current, for ensureing the precision maneuver of closing operation, closing operation Executive Module 6 is by BSF terminal, block signal is exported to the K2 terminal controlling closed block 9, disconnect the YF terminal path of sub-switching operation Executive Module 7, cut off the input of any interference signal of the YF terminal of sub-switching operation Executive Module 7, until closing operation complete after recovery closed block 9 closed, in like manner, intelligent control module 5 LAN terminal input if sub-switching operation order, intelligent control module 5 is by YKF terminal, YF terminal to sub-switching operation Executive Module 7 exports separating brake control signal, after sub-switching operation Executive Module 7 receives sub-gate signal, by the twisted-pair feeder that LF1, LF2 terminal connects, to motor-operating mechanism 10 output driving current, motor-operating mechanism 10 is driven to complete the sub-switching operation of isolating switch, simultaneously, when sub-switching operation Executive Module 7 is to motor-operating mechanism 10 output driving current, for ensureing the precision maneuver of sub-switching operation, sub-switching operation Executive Module 7 is by BSH terminal, block signal is exported to the K1 terminal controlling closed block 8, disconnect the YH terminal path of closing operation Executive Module 6, cut off the input of any interference signal of the YH terminal of closing operation Executive Module 6, until sub-switching operation complete after recovery closed block 8 closed, no matter closing operation or sub-switching operation, when isolating switch position arrives desired location, WX terminal all can be passed through in the location aided rebroadcast contact of motor-operating mechanism 10, via YX, WX terminal delivering position state information of twisted-pair feeder to intelligent control module 5, the location status information received is changed through protocol code by intelligent control module 5, by LAN port send integrated system to be forwarded to all-in-one work station, complete the order cyclic process of remote control isolating switch.
When function selection switch 3 is placed in L position: this isolating switch centralized control apparatus is set in direct state of a control, control+24V the power supply that power supply 1 provides, hold through the A end of function selection switch 3 and L and be transferred to 1 end of the combined floodgate HA button of closing by hand/opening button 4, 1 end of separating brake FA button, now, if desired closing operation is performed, then press combined floodgate HA button, control+24V the power supply that power supply 1 provides, by the 1st closed block of combined floodgate HA button and serial connection, control signal is applied to the YH terminal of combined floodgate operation executing module 6, after closing operation Executive Module 6 receives switching signal, pass through LH1, the twisted-pair feeder that LH2 terminal connects, to motor-operating mechanism 10 output driving current, motor-operating mechanism 10 is driven to complete the closing operation of isolating switch, simultaneously, when closing operation Executive Module 6 is to motor-operating mechanism 10 output driving current, for ensureing the precision maneuver of closing operation, closing operation Executive Module 6 is by BSF terminal, block signal is exported to the K2 terminal controlling closed block 9, disconnect the YF terminal path of sub-switching operation Executive Module 7, cut off the input of any interference signal of the YF terminal of sub-switching operation Executive Module 7, until closing operation complete after recovery closed block 9 closed, in like manner, if desired sub-switching operation is performed, then press separating brake FA button, + 24V the power supply that theres is provided of power supply 1 is provided, by the 2nd closed block of separating brake FA button and serial connection, control signal is applied to the FH terminal of sub-switching operation Executive Module 7, after sub-switching operation Executive Module 7 receives sub-gate signal, by the twisted-pair feeder that LF1, LF2 terminal connects, to motor-operating mechanism 10 output driving current, motor-operating mechanism 10 is driven to complete the sub-switching operation of isolating switch, simultaneously, when sub-switching operation Executive Module 7 is to motor-operating mechanism 10 output driving current, for ensureing the precision maneuver of sub-switching operation, sub-switching operation Executive Module 7 is by BSH terminal, export block signal to the K1 terminal controlling closed block 8, disconnect the YH terminal path of closing operation Executive Module 6, cut off the input of any interference signal of closing operation Executive Module 6YH terminal, until sub-switching operation complete after recovery closed block 8 closed, complete the direct control to isolating switch.
When function selection switch 3 is placed in N position: the control power supply of this isolating switch centralized control apparatus and intelligent control module 5, closing by hand/opening button 4 are in off state, intelligent control module 5 and closing by hand/opening button 4 cannot produce excitation control signal, and this isolating switch centralized control apparatus is in quiescing state.