CN205375083U - Contact net isolator telemechanical monitor terminal - Google Patents
Contact net isolator telemechanical monitor terminal Download PDFInfo
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- CN205375083U CN205375083U CN201521135357.7U CN201521135357U CN205375083U CN 205375083 U CN205375083 U CN 205375083U CN 201521135357 U CN201521135357 U CN 201521135357U CN 205375083 U CN205375083 U CN 205375083U
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Abstract
The utility model relates to a contact net isolator telemechanical monitor terminal, include: power module, central processing unit, control circuit, remote control circuit and remote signalling circuit, wherein, power module provides working power supply at different levels to contact net isolator telemechanical monitor terminal, control circuit produces control signal according to telemechanical control command to input control signal to remote control circuit, the department to isolator operating device is directly feeded with power supply through remote control separating brake switch, remote control closing switch to the control signal drive remote control separating brake switch that remote control circuit produced according to control circuit, remote control closing switch's disconnection and closure, the remote signalling circuit is gathered contact net isolator and is in to close the bit position or be in to divide the bit position, central processing unit sends the telemechanical control command that the surveillance center issued to control circuit, simultaneously, do the processing with the contact net isolator information of remote signalling circuit collection to transmit to the surveillance center, realize the control of contact net isolator telemechanical.
Description
Technical field
This utility model relates to technical field of automatic control, particularly to a kind of ocs isolating switch power remote monitor terminal.
Background technology
At electric railway and urban track traffic tractive power supply system, isolation switch is as important switchgear, and its Reliability of Microprocessor is directly connected to locomotive operation safety.In electrification railway contact net isolation switch remote control field, instantly commonly used optical fiber control program, namely power remote monitor terminal and motor-operating mechanism are together installed on outdoor disconnector post on the spot, for the monitoring to every isolation switch.And electric substation arranges master station, by fiber optic network with institute in all terminals of power remote monitor on the spot carry out communication, thus realize to institute in all isolation switch monitoring, system diagram is as shown in Figure 1.Optical fiber control program is reliable by fiber optic communication, and the advantage that anti-electromagnetic interference capability is strong is widely adopted, but, in actual motion, isolation switch malfunction, misaction but happen occasionally, and bring many puzzlements to railway operation department.
And the generation of the problems referred to above switchs mainly due to isolation caused by the control mode of power remote monitor terminal.The control drawing of conventional power remote monitor terminal it is shown in Fig. 2.Under this control program, when performing guidance command, power remote monitor terminal export short pulse and rush closure signal, via operating mechanism self-holding circuit and interlocking loop, close corresponding contacts of contactor, export splitting or integrating lock power supply, then starting motor, driving isolation switch performs the operation of splitting or integrating lock.
It is clear that the short pulse that the operation condition of traditional scheme isolation switch is only the output of power remote monitor terminal rushes closure signal.Owing to operating mechanism continues charged, the chance inducing short pulse signal or forceful electric power kinetic potential under electric railway strong electromagnetic interference environment in this electric loop is relatively big, and this results in isolation switch malfunction and happens occasionally.And, the remote control in power remote monitor terminal exports to short circuit between the cable between operating mechanism guidance command entrance and also results in operating mechanism error starting, causes the malfunction of isolation switch.This conventional control scheme owing to must export-self-sustaining-interlocking-Guan Bi catalyst through extra pulse, and then a series of process of output power supply, can realize by complicated peripheral loop, and these peripheral loops are out of doors owing to being subject to relatively rugged environment and locomotive through unfavorable factor impacts such as out-of-date vibrations, it is easier to break down, thus causing that control circuit lost efficacy, cause isolation switch failure.
In sum, although conventional optical fiber control program possess outdoor power remote monitor terminal and the advantage of reliable communications between interior master station, but outdoor complicated electric loop cannot be avoided not by electromagnetic interference, also cannot avoid the higher fault rate of the electric loop of complexity simultaneously, this is the birth defect of conventional fiber scheme, is also the key factor causing isolation switch malfunction and tripping.
Utility model content
The main purpose of this utility model embodiment is in that to propose a kind of ocs isolating switch power remote monitor terminal, the technical program has fully been drawn traditional scheme complex peripheral loop and has easily been disturbed the lesson high with fault rate, the output of this terminal remote control adopts the mode directly feeding out electrical source of power to drive the motor action of operating mechanism, eliminates the internal complicated control loop of operating mechanism.This terminal adopts modularized design, and every table apparatus is configurable overlaps monitoring module more, for realizing the monitoring to multichannel isolation switch.
For achieving the above object, this utility model provides a kind of ocs isolating switch power remote monitor terminal, including: power module, central processing unit, control circuit, remote control circuit and remote signalling circuit；Wherein,
Described power module, for providing working powers at different levels to ocs isolating switch power remote monitor terminal；
Described control circuit, for producing control signal according to remote control order, and by described control signal input to described remote control circuit；
Described remote control circuit, the control signal for producing according to described control circuit drives remote control separating brake switch, the disconnection of remote control closing switch and Guan Bi, is switched by remote control separating brake, electrical source of power is directly fed to isolator operating mechanism place by remote control closing switch；
Described remote signalling circuit, is used for gathering described ocs isolating switch and is in closing position, position and is in a point position, position；
Described central processing unit, sends to described control circuit for remote control order Surveillance center issued；, the ocs isolating switch information of described remote signalling circuit collection is dealt with meanwhile, and transmit to Surveillance center, it is achieved ocs isolating switch power remote monitor.
Preferably, described control circuit controls remote control separating brake switch, the closure state of remote control closing switch has the corresponding time limit, and the time limit is set as being longer than isolator operating mechanism movement time, when arriving after Guan Bi limit, separating brake switch or closing switch disconnect automatically, cut off electrical source of power.
Technique scheme has the advantages that
The ocs isolating switch power remote monitor terminal that the utility model proposes adopts directly actuated mode, has cut off electrical source of power loop, it is ensured that isolator operating mechanism is not charged under conventional sense, effectively stop malfunction when without remote manipulation；It addition, this terminal eliminates the peripheral control loop of complexity, effectively prevent the impact of strong electromagnetic, decrease trouble point, be effectively improved system run all right；This also effectively prevent malfunction and occur on the one hand.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be practiced according to the content of description, and in order to above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by detailed description of the invention of the present utility model.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is optical fiber control program system diagram traditionally；
Fig. 2 is the schematic diagram of power remote monitor terminal connection traditionally；
Fig. 3 is a kind of ocs isolating switch power remote monitor terminal block diagram that the utility model proposes；
Fig. 4 is the circuit theory diagrams of the remote control circuit in ocs isolating switch power remote monitor terminal；
Fig. 5 is the remote control circuit wiring diagram with direct current generator operating mechanism of monitor terminal；
Fig. 6 is the remote control circuit wiring diagram with alternating current generator operating mechanism of monitor terminal；
Fig. 7 is the centralized monitoring scheme canonical system figure of this utility model terminal；
Fig. 8 is the distributed monitoring scheme canonical system figure of this utility model terminal.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
The operation principle of the technical program: ocs isolating switch power remote monitor terminal is integrated with onboard remote control circuit, remote signalling circuit and control circuit, it is achieved remote control and the remote signals collection to an isolation switch.Remote control circuit arranges two groups of gate-controlled switches, and one group is used for separating brake (switching K1 hereinafter referred to as separating brake), and another set is used for close a floodgate (hereinafter referred to as closing switch K2).In above-mentioned two groups of gate-controlled switch zonula occludens time limits, automatically disconnecting when reached after limit, this Guan Bi time limit can manually set.Separating brake switch has two groups of contacts, the negative pole (such as remote circuit for exchange then for zero line) of remote circuit is connected on the left of first contact, right side exports the binding post T1 to device, connecting the positive pole (such as remote circuit for exchange then for live wire) of remote circuit on the left of second contact, right side exports the binding post T4 to device；Closing switch has two groups of contacts, the positive pole (such as remote circuit for exchange then for live wire) of remote circuit is connected on the left of first contact, right side exports the binding post T2 to device, connecting the negative pole (such as remote circuit for exchange then for zero line) of remote circuit on the left of second contact, right side exports the binding post T3 to device.When closing switch closes, between binding post T2, binding post T3, voltage is positive direction, is connected to motor via travel switch and rotates forward terminal, can rotate forward by drive motor；When separating brake switch Guan Bi, between binding post T1, binding post T4, voltage is opposite direction, is connected to motor reversal terminal via travel switch, can drive motor reversion.
The action of closing switch and separating brake switch is all by control circuit control, and when without remote manipulation, control separating brake switch and closing switch are remained off by control circuit；When remote control is closed a floodgate, control circuit will control closing switch according to specified time Guan Bi；When remote control separating brake, control circuit will control separating brake switch according to specified time Guan Bi.Remote signalling circuit gathers the positional information of isolation switch by binding post T5, binding post T6, binding post T7, between binding post T5, binding post T7, via big resistor loaded remote signalling voltage between binding post T6, binding post T7.On the left of binding post T5 attended operation mechanism conjunction position auxiliary contact FK1, binding post T7 attended operation mechanism divides on the right side of an auxiliary contact FK2, when closing position auxiliary contact FK1 Guan Bi, then this device detects that between binding post T5, binding post T7, voltage is 0, then judge that isolation switch is as closing position；When point position auxiliary contact FK2 closes, then this device detects that between binding post T6, binding post T7, voltage is 0, then judge that isolation switch is as a point position.Central processor CPU is responsible for the remote control order on upper strata is issued to corresponding control circuit, and the remote signalling information of power remote monitor terminal collection is uniformly processed, and uploads to master station or the control centre on upper strata.CPU module arranges optical fiber interface and Ethernet interface, can pass through fiber optic network or ethernet twisted pair directly to upper system communication.Power supply, by carrying out the conversion such as certain transformation, unsteady flow, rectification, voltage stabilizing, provides working powers at different levels for package unit.
Power supply and central processor CPU are the requisite ingredient of termination normal operation, and its operation principle and conventional equipment there is no significant difference, and this patent will not specifically describe.
Based on above-mentioned operation principle, the utility model proposes a kind of ocs isolating switch power remote monitor terminal.As it is shown on figure 3, include: power module, central processing unit, control circuit, remote control circuit and remote signalling circuit；Wherein,
Described power module, for providing working powers at different levels to ocs isolating switch power remote monitor terminal；
Described control circuit, for producing control signal according to remote control order, and by described control signal input to described remote control circuit；
Described remote control circuit, the control signal for producing according to described control circuit drives remote control separating brake switch, the disconnection of remote control closing switch and Guan Bi, is switched by remote control separating brake, electrical source of power is directly fed to isolator operating mechanism place by remote control closing switch；
Described remote signalling circuit, is used for gathering described ocs isolating switch and is in closing position, position and is in a point position, position；
Described central processing unit, sends to described control circuit for remote control order Surveillance center issued；, the ocs isolating switch information of described remote signalling circuit collection is dealt with meanwhile, and transmit to Surveillance center, it is achieved ocs isolating switch power remote monitor.
The design principle of remote control circuit is stressed below in conjunction with Fig. 4.Described remote control circuit includes: first controls switch and the second control switch, and described first controls switch is all controlled by described control circuit with the second control switch, performs corresponding disconnection, closing motion；Wherein,
One end of described first the first contact controlling switch is accessed terminal with the first of described remote monitoring terminal and is connected, and the other end of described first other end and the described second the second contact controlling switch controlling the first contact of switch is connected；One end of described first the second contact controlling switch is accessed terminal with the 4th of described remote monitoring terminal and is connected, and the other end of described first other end and the described second the first contact controlling switch controlling the second contact of switch is connected；One end of described second the first contact controlling switch is accessed terminal with the second of described remote monitoring terminal and is connected, and described second one end of the second contact controlling to switch is accessed terminal with the 3rd of described remote monitoring terminal and is connected；
The other end of the described first the first contact controlling switch, described second other end of the second contact controlling switch are connected with the corresponding interface of identical remote circuit, and the other end of the second contact of described first control switch, described second other end of the first contact controlling switch are connected with another corresponding interface of identical remote circuit；
The first of described remote monitoring terminal is accessed terminal and is concatenated the first limit switch of described operating mechanism by the first cable, described first limit switch is connected with one end of motor, the 4th of described remote monitoring terminal is accessed terminal and is connected with the other end of motor by the 4th cable, described first controls switch, the first limit switch Guan Bi, then described remote monitoring terminal output remote control sub-gate signal；
The second of described remote monitoring terminal is accessed terminal and is concatenated the second limit switch of described operating mechanism by the second cable, described second limit switch is connected with one end of motor, the 3rd of described remote monitoring terminal is accessed terminal and is connected with the other end of motor by the 3rd cable, described second controls switch, the second limit switch Guan Bi, then described remote monitoring terminal output remote control switching signal.
For Fig. 4, the built-in separating brake switch K1 and closing switch K2 of remote control circuit.Two groups of contacts of K1 connect the negative pole of remote circuit respectively (if remote circuit is exchange, be then zero line) with positive pole (if remote circuit is for exchanging, it is then live wire), directly remote circuit is reversely exported between binding post T1, binding post T4 when K1 closes；Two groups of contacts of K2 connect the positive pole of remote circuit respectively (if remote circuit is exchange, be then live wire) with negative pole (if remote circuit is for exchanging, it is then zero line), directly remote circuit forward is exported between binding post T2, binding post T3 when K2 closes.K1, K2 are controlled disjunction or Guan Bi by control circuit, the zonula occludens of K1 and K2 has the time limit, can automatically disconnect after limit when reached, time limit is set as being slightly longer than the movement time of isolation switch, assume that isolation switch point or closing time are 5s, the Guan Bi time limit of K1, K2 should be set as 6s, to ensure isolation switch point, to close a floodgate fully thoroughly.
For the present embodiment, the remote signalling of described remote signal unit is closed position outfan and is connected with the 5th access terminal of remote monitoring terminal, and the 5th of described remote monitoring terminal is accessed terminal and closed one end of position auxiliary contact by the 5th cable concatenation isolator operating mechanism；The remote signalling of described remote signal unit divides an outfan to access terminal with the 6th of remote monitoring terminal and is connected, and the 6th of described remote monitoring terminal is accessed terminal and divided one end of an auxiliary contact by the 6th cable concatenation isolator operating mechanism；The common port of described remote signal unit accesses terminal with the 7th of remote monitoring terminal and is connected, and the 7th of described remote monitoring terminal accesses terminal and divide the other end of an auxiliary contact to be connected with the other end of described isolator operating mechanism conjunction position auxiliary contact, described isolator operating mechanism by the 7th cable simultaneously.
Fig. 5 is the remote control circuit wiring diagram with direct current generator operating mechanism of monitor terminal, the separating brake switch K1 of monitor terminal is by (normally closed through limit switch SQ1 after binding post T1, when disconnecting after isolation switch separating brake success), it is connected to the direct current generator positive and negative electrode terminal of operating mechanism；The closing switch K2 of monitor terminal by after binding post T2 through limit switch SQ2 (normally closed, to close a floodgate disconnection after successfully when keeping apart pass), be connected to the positive and negative electrode terminal of direct current generator.When isolation switch is in a point position, is about to carry out telemechanical combined floodgate, the control circuit of this utility model power remote monitor terminal will control K2 Guan Bi, and keep 6s.Now remote circuit will (be now closure state either directly through travel switch SQ1, can turn on) directly forward be loaded into motor binding post, motor forward obtains electric, starts and rotates forward, driving isolation switch rotates, after keeping apart pass combined floodgate puts in place, limit switch SQ1 disconnects, and has cut off control power supply, motor stalling, and K2 also can flick after the time limit reaching 6s, thoroughly cutting off remote circuit, remote control making process is complete.Remote control separating brake in like manner, is different in that separating brake switch K1 Guan Bi, and remote circuit is via limit switch SQ2 Opposite side loading in direct current generator binding post, and motor is electricly reverse, starts reversion, driving isolation switch separating brake.
Fig. 6 is the remote control circuit wiring diagram with alternating current generator operating mechanism of monitor terminal, the outfan of the separating brake switch K1 of monitor terminal is (normally closed through limit switch SQ1, when disconnecting after isolation switch separating brake success), it is connected to the alternating current generator reversion terminal of operating mechanism；The outfan of the closing switch K2 of monitor terminal, through limit switch SQ2 (normally closed, closing closes a floodgate disconnects after successfully when keeping apart), is connected to the rotating forward terminal of alternating current generator.Its remote control performs process with above-mentioned direct current generator operating mechanism in like manner, repeats no more.
Power remote monitor terminal built-in remote signalling circuit, remote signalling circuit closes position and judges that end closes position auxiliary contact FK1 with operating mechanism and is connected, remote signalling circuit point position judges that end divides an auxiliary contact to be connected with operating mechanism, and two groups of auxiliary contact other ends are also connected to the common port of remote signalling circuit after connecing.Remote signalling circuit takes remote signalling DC source outside device, judges between end and common port through big resistor loaded in conjunction position, also loads on a point position simultaneously and judge between end and common port.When isolation switch is in conjunction position, namely during auxiliary contact FK1 Guan Bi, remote signalling circuit closes position in remote signalling and judges to detect between end and common port that voltage is as 0, then termination judges that isolation switch is in conjunction position；When isolation switch is in a point position, namely during auxiliary contact FK2 Guan Bi, remote signalling circuit judges in remote signalling point position to detect between end and common port that voltage is as 0, then termination judges that isolation switch is in a point position.External remote signalling power supply cut-off stream, can effectively prevent electromagnetic interference.
Each circuit module flexibly configurable in this utility model power remote monitor termination, every road monitoring module realizes the monitoring to an isolation switch.This termination under can directly control isolation switch, on can either directly through optical fiber or Ethernet to master station or control centre's communication.Because of the design that it is special, the design that can make whole isolation switch telecontrol system is more flexible.
Fig. 7 is the centralized monitoring scheme canonical system figure of this utility model terminal, this utility model termination monitoring module according to the quantity configuration respective numbers entirely being isolated switch, it is installed on electric substation's master station, connect either directly through hardwire and entirely isolated switch, realize the Centralized Monitoring to all isolation switches direct and control centre's communication by optical fiber or Ethernet.
Fig. 8 is the distributed monitoring scheme canonical system figure of this utility model terminal, and this utility model terminal adopts distributed mounting means, is installed near each outdoor disconnector, configures a set of monitoring module, it is achieved the monitoring on the spot to single channel isolation switch.To on carry out communication by master station in optical fiber or Ethernet and electric substation.In master station again the data of interior for institute all of power remote monitor terminal are uniformly processed, and carry out communication with control centre.
The technical program adopts directly actuated mode, directly electrical source of power is fed to the motor of isolator operating mechanism when remote manipulation, thus eliminating peripheral control loop complicated in traditional scheme, stop the isolation switch malfunction that outdoor electromagnetic interference is likely to result in, decrease the isolation switch failure because control loop element and wiring faults cause, improve telecontrol system reliability.This terminal adopts modularized design, and monitoring module can adjust quantity according to isolation number of switches or different application occasion, and when in centralized monitoring, monitoring module is overlapped in termination configuration more, is installed on master station；When termination is applied to distributed monitoring, monitoring module is singly overlapped in termination configuration, is installed on and keeps apart near pass, by communication network and Surveillance center's communication, has very strong motility and adaptability.
Above detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect have been further described; it is it should be understood that; these are only detailed description of the invention of the present utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (2)
1. an ocs isolating switch power remote monitor terminal, including: power module and central processing unit；It is characterized in that, also include:
Control circuit, remote control circuit and remote signalling circuit；Wherein,
Described power module, for providing working powers at different levels to ocs isolating switch power remote monitor terminal；
Described control circuit, for producing control signal according to remote control order, and by described control signal input to described remote control circuit；
Described remote control circuit, the control signal for producing according to described control circuit drives remote control separating brake switch, the disconnection of remote control closing switch and Guan Bi, is switched by remote control separating brake, electrical source of power is directly fed to isolator operating mechanism place by remote control closing switch；
Described remote signalling circuit, is used for gathering described ocs isolating switch and is in closing position, position and is in a point position, position；
Described central processing unit, sends to described control circuit for remote control order Surveillance center issued；, the ocs isolating switch information of described remote signalling circuit collection is dealt with meanwhile, and transmit to Surveillance center, it is achieved ocs isolating switch power remote monitor.
2. monitor terminal as claimed in claim 1, it is characterized in that, described control circuit controls remote control separating brake switch, the closure state of remote control closing switch has the corresponding time limit, time limit is set as being longer than isolator operating mechanism movement time, when arriving after Guan Bi limit, separating brake switch or closing switch disconnect automatically, cut off electrical source of power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201521135357.7U CN205375083U (en) | 2015-12-31 | 2015-12-31 | Contact net isolator telemechanical monitor terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521135357.7U CN205375083U (en) | 2015-12-31 | 2015-12-31 | Contact net isolator telemechanical monitor terminal |
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| CN205375083U true CN205375083U (en) | 2016-07-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933135A (en) * | 2015-12-31 | 2017-07-07 | 北京煜能电气有限公司 | A kind of ocs isolating switch power remote monitor terminal |
| CN107037761A (en) * | 2017-05-25 | 2017-08-11 | 四川汇友电气有限公司 | Distribution type monitoring device of touch network with fiber switch |
| CN110138086A (en) * | 2019-05-30 | 2019-08-16 | 深圳市普禄科智能检测设备有限公司 | Telemechanical bus connection switch device, control system and control method |
-
2015
- 2015-12-31 CN CN201521135357.7U patent/CN205375083U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106933135A (en) * | 2015-12-31 | 2017-07-07 | 北京煜能电气有限公司 | A kind of ocs isolating switch power remote monitor terminal |
| CN107037761A (en) * | 2017-05-25 | 2017-08-11 | 四川汇友电气有限公司 | Distribution type monitoring device of touch network with fiber switch |
| CN110138086A (en) * | 2019-05-30 | 2019-08-16 | 深圳市普禄科智能检测设备有限公司 | Telemechanical bus connection switch device, control system and control method |
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