CN108657227A - Exchange goat switch control circuit - Google Patents
Exchange goat switch control circuit Download PDFInfo
- Publication number
- CN108657227A CN108657227A CN201810509020.XA CN201810509020A CN108657227A CN 108657227 A CN108657227 A CN 108657227A CN 201810509020 A CN201810509020 A CN 201810509020A CN 108657227 A CN108657227 A CN 108657227A
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- circuit
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- 1dqj
- goat
- switch
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- 241000283707 Capra Species 0.000 title claims abstract description 60
- 230000005284 excitation Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
- B61L5/067—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means using electromagnetic driving means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Motor And Converter Starters (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of exchange goat switch control circuits, it is characterized in that, including start-up circuit, actuating circuit and indication circuit, wherein, the start-up circuit includes the first track switch starting relay 1DQJ, the second track switch starting relay 2DQJ and the first track switch starting relay repeater relay 1DQJF, for when track switch ixed control relay DCJ or antiposition manipulation relay FCJ is picked up, 1DQJ excitations pick up, and 2DQJ realizations turn pole；The actuating circuit is used to pick up situation according to the excitation of 1DQJ, 1DQJF, 2DQJ in the start-up circuit, and 380V AC powers, which are sent to outdoor track switch, exchanges goat, its switch with follow up movement is made to be transformed into antiposition or positioning, later, disconnects 380V AC powers；The indication circuit includes two safety-type polar biased relay DBJ and FBJ, independent indication transformer BD1 7, rectifier cell, 4 μ f capacitances, for reflecting switch location into signal box；The actuating circuit and indication circuit are mutual indepedent.
Description
Technical field
The present invention relates to track traffic signal control field, more particularly to a kind of exchange goat switch control circuit.
Background technology
Goat is the executing agency of switch control system, for converting locking point tongue or heart rail, indicates supervision connection
Lock the position and state of point tongue or heart rail in area.Wherein, exchange goat uses 380V AC powers, and motor is three-phase
Asynchronous motor, it is more and more in the application of high-speed railway and Line for Passenger Transportation, subway etc. at present.
Exchange goat switch control circuit general at present is five-wire system, it has been found that, this circuit is in conversion road
When trouble, there are problems that causing in subway line with electrically disconnected arcing in use, rolling over when the second starting relay 2DQJ turns pole
Track switch is returned since the action frequency is relatively high, after a period of use, the reinforcement contact of 2DQJ relays just will appear calcination blackening,
Contact poor contact causes switch control circuit failure, seriously affects operation order.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of exchange goat switch control circuits, solve existing five-wire system exchange and turn
When the second starting relay 2DQJ turns pole when the existing conversion track switch of rut machine switch control circuit with electrically disconnected arcing, lead to system
The problem of global reliability declines improves the reliability of exchange goat switch control system.
To achieve the above object, the present invention provides a kind of exchange goat switch control circuits, including a kind of exchange to turn
Rut machine switch control circuit, which is characterized in that including start-up circuit, actuating circuit and indication circuit, wherein：
The start-up circuit includes the first track switch starting relay 1DQJ, 2 DQJ of the second track switch starting relay and first
Trouble starting relay repeater relay 1DQJF, for manipulating relay FCJ as track switch ixed control relay DCJ or antiposition and inhaling
When rising, 1DQJ excitations pick up, and 2DQJ realizations turn pole, wherein the 3-4 coils of the 1DQJ through contact before or after the one of 2 DQJ group,
It is separately connected the front contact that track switch antiposition manipulates relay FCJ or track switch ixed control relay DCJ, forms energized circuit；
The front contact of the 1-4 coils connection 1DQJ of 1DQJF, two groups of front contacts of 1DQJF 1-2 coils and 3-4 coils through 2DQJ respectively
It is connected with the front contact of FCJ and DCJ, turns pole for 2DQJ；In addition, the 1-2 coils of 1DQJ pass through its own front contact and described
The front contact of protective relay BHJ is formed from loop circuit in actuating circuit, so that 1DQJ is protected for exchanging in goat action process
It holds and picks up；
The actuating circuit is used to pick up situation according to the excitation of 1DQJ, 1DQJF, 2DQJ in the start-up circuit, and 380V is handed over
Galvanic electricity source is sent to outdoor track switch exchange goat, so that its switch with follow up movement is transformed into antiposition or positioning, waits for that track switch is transformed into
Behind specified position, the automatic lid actuator inside goat gets to another position, and DBQ cuts off BHJ outputs, and BHJ is fallen, and 1DQJ loses
Magnetic is fallen, and disconnects 380V AC powers, wherein the A phases of the 380V AC powers are sent through the one of the 1DQJ group of front contact
Going out, the front or rear contact for the front contact and the 2DQJ that B phases and C phases pass through 1DQJF is sent out respectively, wherein 1DQJ, 1DQJF,
Contact used in 2DQJ is reinforcement contact；In addition, A, B, C phase power supply and 1DQJ the or 1DQJF front contacts that are respectively connected it
Between connected fuse and one group of leading-out terminal of phase failure protector DBQ, another group of leading-out terminal of DBQ is with the BHJ's
Coil both ends are connected, and are converted in place afterwards, when open phase fault occurs in the power supply or track switch fails at the appointed time for track switch
When converting in place, the AC power is cut off to the circuit of goat motor, protects goat motor；
The indication circuit includes two safety-type polar biased relay DBJ and FBJ, as switch indication relay, for indicating
The practical position opened of track switch, positioning or antiposition；Independent indication transformer BD1-7, for providing electricity for the indication circuit
Source；Rectifier cell is set to circuit end, alternating current is carried out halfwave rectifier, make its current direction just constitute DBJ or
The energized circuit of person FBJ；4 μ f capacitances, are connected in parallel on switch indication relay both ends, prevent halfwave rectifier from causing to indicate relay
Device is shaken, and plays a filtering role；1DQJ relay back contacts disconnect after start-up circuit action when for track switch conversion and indicate electricity
Road；
The actuating circuit and indication circuit are mutual indepedent.
Preferably, wherein the actuating circuit uses five-core cable, the indication circuit to use three-core cable, the exchange
Goat switch control circuit uses eight core cables altogether.
Preferably, the exchange goat includes ZDJ9, ZYJ series, S700K exchange goats.
Preferably, the indication circuit rectifier cell, can normal indication circuit, antiposition indicate circuit be respectively set.
Compared with prior art, the present invention has the advantages that：The exchange goat switch control circuit is compared to existing
There is five-wire system to exchange track switch railway switch control circuit, design improve and optimizate to circuit structure, and by actuating circuit and table
Show that circuit is completely separated, solves actuating circuit in the prior art and the multiplexing of indication circuit outside cable core wire, 380V is caused to hand over
Galvanic electricity source constitutes circuit by indication circuit, the problem of when 2DQJ relays being caused to turn pole with electrically disconnected arcing, effectively extends
The service life of 2DQJ relays avoids the reinforcement contact of 2DQJ relays from the phenomenon that contact poor contact occur, is to improve
The reliability for entirety of uniting.
Description of the drawings
Fig. 1 is exchange goat switch control circuit start-up circuit schematic diagram according to the present invention；
Fig. 2 is exchange goat switch control circuit actuating circuit schematic diagram according to the present invention；
Fig. 3 is exchange goat switch control circuit indication circuit schematic diagram according to the present invention；
Fig. 4 is exchange goat switch control circuit overall structure diagram according to the present invention；
Fig. 5 is the indication circuit that exchange goat switch control circuit diode according to the present invention sets up separately.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
As shown in Fig. 1-5, according to a kind of exchange goat switch control circuit of the specific embodiment of the invention, including
Start-up circuit, actuating circuit and indication circuit, wherein
Start-up circuit includes the first track switch starting relay 1DQJ, the second track switch starting relay 2DQJ and the first switch starting
Relay repeater relay 1DQJF, for when track switch ixed control relay DCJ or antiposition manipulate relay FCJ and pick up,
1DQJ excitations pick up, and 2DQJ realizations turn pole, wherein contact before or after one group through 2DQJ of the 3-4 coils of the 1DQJ connects respectively
The front contact that track switch antiposition manipulates relay FCJ or track switch ixed control relay DCJ is connect, energized circuit is formed；The 1- of 1DQJF
4 coils connect the front contact of 1DQJ, two groups of front contacts of 1DQJF the 1-2 coils through 2DQJ and 3-4 coils and FCJ and DCJ respectively
Front contact be connected, turn pole for 2DQJ；In addition, the 1-2 coils of 1DQJ pass through in its own front contact and the actuating circuit
The front contact of protective relay BHJ is formed from loop circuit, picks up 1DQJ holdings in goat action process for exchanging；
Actuating circuit is used to pick up situation according to the excitation of 1DQJ, 1DQJF, 2DQJ in the start-up circuit, by 380V alternating currents
Source is sent to outdoor track switch exchange goat, so that its switch with follow up movement is transformed into antiposition or positioning, waits for that track switch is transformed into regulation
Behind position, the automatic lid actuator inside goat gets to another position, and DBQ cuts off BHJ outputs, and BHJ is fallen, and 1DQJ losss of excitation are fallen
Under, disconnect 380V AC powers, wherein the A phases of the 380V AC powers are sent out through the one of the 1DQJ group of front contact, B phases
The front or rear contact of the front contact and the 2DQJ that pass through 1DQJF with C phases is sent out respectively, wherein 1DQJ, 1DQJF, 2DQJ institute
It is reinforcement contact with contact；In addition, being gone here and there between A, B, C phase power supply and 1DQJ the or 1DQJF front contacts being respectively connected
Fuse and one group of leading-out terminal of phase failure protector DBQ, the coil two of another group of leading-out terminal and the BHJ of DBQ are joined
End is connected, and is converted in place afterwards, when open phase fault occurs in the power supply or track switch fails to be transformed at the appointed time for track switch
When position, the AC power is cut off to the circuit of goat motor, protects goat motor；
Indication circuit includes two safety-type polar biased relay DBJ and FBJ, as switch indication relay, for indicating track switch
The position actually opened, positioning or antiposition；Independent indication transformer BD1-7, for providing power supply for the indication circuit；It is whole
Fluid element is set to circuit end, and being used to check circuit, completely backward transmitting terminal sends DC power supply back to；4 μ f capacitances, are connected in parallel on institute
Switch indication relay both ends are stated, prevents halfwave rectifier from causing to indicate relay flutter, plays a filtering role；1DQJ relays are followed by
Point disconnects indication circuit when for track switch conversion after start-up circuit action；
The actuating circuit and indication circuit are mutual indepedent.
In the start-up circuit of the exchange goat switch control circuit of the present embodiment, track switch manipulates relay FCJ or DCJ and inhales
Rise, connect the 3-4 coils of 1DQJ relays, make 1DQJ relay excitations pick up → the third group front contact of 1DQJ connects 1DQJF
1-4 coils, make 1DQJF relay excitations pick up → so that 2DQJ is turned pole by the 3rd, the 4 group of contact of FCJ or DCJ and 1DQJF,
And then 380V alternating currents are sent to outdoor exchange point machine motor by actuating circuit；Then phase failure protector DBQ is defeated
Go out so that BHJ excitations pick up, 1DQJ relays are connected by its own front contact and BHJ relay front contacts from loop circuit, are made
It obtains the 1DQJ holdings in goat action process to pick up, waits for track switch conversion in place, BHJ relays are fallen, and 1DQJ is disconnected from loop circuit
It opens.
The actuating circuit of the exchange goat switch control circuit of the present embodiment be used for according to 1DQJ in the start-up circuit,
The excitation of 1DQJF, 2DQJ pick up situation, and 380V AC powers are sent to outdoor point machine, its switch with follow up movement is made to turn
Antiposition or positioning are changed to, after track switch is transformed into specified position, the automatic lid actuator inside goat gets to another position,
Disconnect power source for switch control.Wherein X1-X5 effects are as follows respectively：
When X1 --- positioning turns antiposition, antiposition turns positioning, motor A phase bridging lines；
When X2 --- antiposition turns positioning, B phases are sent to motor；
X3 --- when positioning turns antiposition, C phases are sent to motor；
X4 --- when positioning turns antiposition, B phases are sent to motor；
When X5 --- antiposition turns positioning, C phases are sent to motor.
Meanwhile actuating circuit is additionally provided with phase failure protector DBQ（Any one phase disconnects or track switch failed for some reason in the stipulated time
It is interior conversion in place when, protector is without output）With protective relay BHJ, the line of one group of leading-out terminal and the BHJ of the DBQ
Both ends are enclosed to be connected so that when there is open phase fault in the power supply or track switch fails to convert in place at the appointed time for some reason, BHJ
It falls, 1DQJ is cut off from loop circuit, and 1DQJ is fallen, and then cuts off the AC power to the circuit of goat motor, to protect
Protect goat three phase electric machine.
The indication circuit of the exchange goat switch control circuit of the present embodiment is used for switch location reflection to signal box
In.The 110V AC powers that expression relay used is supplied by switch indication Circuit Fault on Secondary Transformer, track switch are transformed into positioning/anti-
Position after, DBQ cut-out output BHJ fall, 1DQJ losss of excitation are fallen, indicate AC power by before 1DQJ back contacts, 2DQJ relays/
Back contact, goat automatic lid actuator positioning/antiposition turn to connect a little, and alternating current is carried out halfwave rectifier by rectified diode,
Sense of current just constitutes the energized circuit of DBJ/FBJ.In the another half cycle of alternating current, due to there is the discharge current of capacitor C,
Therefore the stabilization of DBJ/FBJ can be kept to pick up.The state of interlocking of signals system acquisition DBJ, FBJ, in reflection to signal box.
As a kind of preferred embodiment, the exchange goat switch control circuit of the present embodiment, actuating circuit has used five
Core cable, indication circuit have used three-core cable, and the two is mutual indepedent, do not share core wire, entire to exchange the control of goat track switch
Circuit processed uses eight core cables altogether.
As a kind of preferred embodiment, goat part is by taking ZDJ9 goat internal wirings as an example in the present embodiment attached drawing.
But in fact, the goat type that the present invention is applicable in covers currently used ZDJ9, ZYJ series, S700K exchange goats,
Various types goat only goat internal wirings slightly have difference, and control circuit part is completely the same.
In addition, the rectifier cell in the indication circuit of the present embodiment also can normal indication circuit, antiposition expression circuit difference
Setting, as shown in Fig. 5.
As it can be seen that the relatively existing five-wire system of the exchange goat switch control circuit exchanges track switch railway switch control circuit, it is right
Structure has carried out improvement, optimization design, and actuating circuit is detached with indication circuit, solves 380V AC powers in the prior art
Constitute circuit by indication circuit, the problem of when 2DQJ relays being caused to turn pole with electrically disconnected arcing, effectively extend 2DQJ after
The service life of electric appliance avoids the reinforcement contact of 2DQJ relays from the phenomenon that contact poor contact occur, to effectively improve system
Whole reliability.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
1. a kind of exchange goat switch control circuit, which is characterized in that including start-up circuit, actuating circuit and indication circuit,
Wherein：
The start-up circuit includes the first track switch starting relay 1DQJ, 2 DQJ of the second track switch starting relay and first
Trouble starting relay repeater relay 1DQJF, for manipulating relay FCJ as track switch ixed control relay DCJ or antiposition and inhaling
When rising, 1DQJ excitations pick up, and 2DQJ realizations turn pole, wherein the 3-4 coils of the 1DQJ through contact before or after the one of 2 DQJ group,
It is separately connected the front contact that track switch antiposition manipulates relay FCJ or track switch ixed control relay DCJ, forms energized circuit；
The front contact of the 1-4 coils connection 1DQJ of 1DQJF, two groups of front contacts of 1DQJF 1-2 coils and 3-4 coils through 2DQJ respectively
It is connected with the front contact of FCJ and DCJ, turns pole for 2DQJ；In addition, the 1-2 coils of 1DQJ pass through its own front contact and described
The front contact of protective relay BHJ is formed from loop circuit in actuating circuit, so that 1DQJ is protected for exchanging in goat action process
It holds and picks up；
The actuating circuit is used to pick up situation according to the excitation of 1DQJ, 1DQJF, 2DQJ in the start-up circuit, and 380V is handed over
Galvanic electricity source is sent to outdoor track switch exchange goat, so that its switch with follow up movement is transformed into antiposition or positioning, waits for that track switch is transformed into
Behind specified position, the automatic lid actuator inside goat is converted to another position, and DBQ cuts off BHJ outputs, and BHJ is fallen, 1DQJ
Loss of excitation is fallen, and disconnects 380V AC powers, wherein the A phases of the 380V AC powers are sent through the one of the 1DQJ group of front contact
Going out, the front or rear contact for the front contact and the 2DQJ that B phases and C phases pass through 1DQJF is sent out respectively, wherein 1DQJ, 1DQJF,
Contact used in 2DQJ is reinforcement contact；In addition, A, B, C phase power supply and 1DQJ the or 1DQJF front contacts that are respectively connected it
Between connected fuse and one group of leading-out terminal of phase failure protector DBQ, another group of leading-out terminal of DBQ is with the BHJ's
Coil both ends are connected, and are converted in place afterwards, when open phase fault occurs in the power supply or track switch fails at the appointed time for track switch
When converting in place, the AC power is cut off to the circuit of goat motor, protects goat motor；
The indication circuit includes two safety-type polar biased relay DBJ and FBJ, as switch indication relay, for indicating
The practical position opened of track switch, positioning or antiposition；Independent indication transformer BD1-7, for providing electricity for the indication circuit
Source；Rectifier cell is set to circuit end, alternating current is carried out halfwave rectifier, make its current direction just constitute DBJ or
The energized circuit of person FBJ；4 μ f capacitances, are connected in parallel on switch indication relay both ends, prevent halfwave rectifier from causing to indicate relay
Device is shaken, and plays a filtering role；1DQJ relay back contacts disconnect after start-up circuit action when for track switch conversion and indicate electricity
Road；
The actuating circuit and indication circuit are mutual indepedent.
2. exchange goat switch control circuit according to claim 1, which is characterized in that the actuating circuit uses five
Core cable, the indication circuit use three-core cable, the exchange goat switch control circuit to use eight core cables altogether.
3. the exchange goat switch control circuit according to claim 1,2, which is characterized in that the exchange goat packet
Include ZDJ9, ZYJ series, S700K exchange goats.
4. exchange goat switch control circuit according to claim 1, which is characterized in that the indication circuit rectification member
Part, can normal indication circuit, antiposition indicate circuit be respectively set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509020.XA CN108657227B (en) | 2018-05-24 | 2018-05-24 | Switch control circuit of alternating current switch machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509020.XA CN108657227B (en) | 2018-05-24 | 2018-05-24 | Switch control circuit of alternating current switch machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108657227A true CN108657227A (en) | 2018-10-16 |
| CN108657227B CN108657227B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810509020.XA Active CN108657227B (en) | 2018-05-24 | 2018-05-24 | Switch control circuit of alternating current switch machine |
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| CN (1) | CN108657227B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110435716A (en) * | 2019-08-20 | 2019-11-12 | 湖南磁浮交通发展股份有限公司 | A kind of changing points control circuit |
| CN111055883A (en) * | 2019-12-30 | 2020-04-24 | 新誉庞巴迪信号系统有限公司 | Interlocking turnout switching system at subway tie line |
| CN112874572A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Turnout control circuit and turnout control system |
| CN113696933A (en) * | 2021-07-29 | 2021-11-26 | 西安铁路信号有限责任公司 | Crowded trouble alarm system |
| CN113859301A (en) * | 2021-10-13 | 2021-12-31 | 上海电气泰雷兹交通自动化系统有限公司 | Position state acquisition circuit of five-wire system alternating current point switch |
| CN114843993A (en) * | 2022-03-29 | 2022-08-02 | 西安铁路信号有限责任公司 | Circuit compatible with actions of multiple point switches and control method |
| CN115158397A (en) * | 2022-07-15 | 2022-10-11 | 中国铁道科学研究院集团有限公司 | Station ground control system and turnout indication controller control method |
| CN115257859A (en) * | 2022-08-24 | 2022-11-01 | 中铁第四勘察设计院集团有限公司 | Switch control circuit and device for remote control |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110435716A (en) * | 2019-08-20 | 2019-11-12 | 湖南磁浮交通发展股份有限公司 | A kind of changing points control circuit |
| CN112874572A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Turnout control circuit and turnout control system |
| CN112874572B (en) * | 2019-11-29 | 2022-05-13 | 比亚迪股份有限公司 | Turnout control circuit and turnout control system |
| CN111055883A (en) * | 2019-12-30 | 2020-04-24 | 新誉庞巴迪信号系统有限公司 | Interlocking turnout switching system at subway tie line |
| CN113696933A (en) * | 2021-07-29 | 2021-11-26 | 西安铁路信号有限责任公司 | Crowded trouble alarm system |
| CN113859301B (en) * | 2021-10-13 | 2024-04-19 | 上海电气泰雷兹交通自动化系统有限公司 | Position state acquisition circuit of five-wire alternating current switch machine |
| CN113859301A (en) * | 2021-10-13 | 2021-12-31 | 上海电气泰雷兹交通自动化系统有限公司 | Position state acquisition circuit of five-wire system alternating current point switch |
| CN114843993A (en) * | 2022-03-29 | 2022-08-02 | 西安铁路信号有限责任公司 | Circuit compatible with actions of multiple point switches and control method |
| CN114843993B (en) * | 2022-03-29 | 2023-12-15 | 西安铁路信号有限责任公司 | Circuit compatible with multiple switch machine actions and control method |
| CN115158397B (en) * | 2022-07-15 | 2024-01-12 | 中国铁道科学研究院集团有限公司 | Station ground control system and turnout indication controller control method |
| CN115158397A (en) * | 2022-07-15 | 2022-10-11 | 中国铁道科学研究院集团有限公司 | Station ground control system and turnout indication controller control method |
| CN115257859A (en) * | 2022-08-24 | 2022-11-01 | 中铁第四勘察设计院集团有限公司 | Switch control circuit and device for remote control |
| CN115257859B (en) * | 2022-08-24 | 2024-03-15 | 中铁第四勘察设计院集团有限公司 | Switch control circuit and device for remote control |
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