CN116750039A - Control method and system for safe interaction with switch machine - Google Patents
Control method and system for safe interaction with switch machine Download PDFInfo
- Publication number
- CN116750039A CN116750039A CN202310953045.XA CN202310953045A CN116750039A CN 116750039 A CN116750039 A CN 116750039A CN 202310953045 A CN202310953045 A CN 202310953045A CN 116750039 A CN116750039 A CN 116750039A
- Authority
- CN
- China
- Prior art keywords
- switch machine
- request
- control device
- local device
- main control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000003993 interaction Effects 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 9
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 10
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction 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
- B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention relates to a control method and a system for safe interaction with a point machine, wherein the control system comprises a main control device and a local device which are in communication connection with each other, the main control device can control the point machine according to an interaction instruction of the local device, and the control method comprises the following steps: s1, sending a request operation instruction to a main control device; s2, the master control device authorizes the local device to be controlled locally, and enables the state representation lamp of the local device to be lighted; s3, sending a request electric operation switch machine instruction to a main control device, and controlling the switch machine to a position opposite to the original state by the main control device; s4, after the switch machine is switched to a position opposite to the original state, sending a cancel operation request instruction to the main control device; s5, the master control device cancels the local control of the authorized local device. The invention can effectively meet the requirements of switching the field operation and the remote operation of the switch machine, has a display function, and ensures that the interaction is more transparent.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a control method and a control system for safe interaction with a switch machine.
Background
The switch machine is an indispensable signal safety trackside control device in the field of rail transit. The long-time uninterrupted working state makes the device have the requirement of regular maintenance and timely recovery when damaged.
The switch machine is typically remotely operated by a control system. In the field case opening maintenance process of the switch machine, remote control personnel and field maintenance personnel usually communicate in an interphone or telephone mode, so that personnel injury or equipment damage caused by misoperation in the case opening maintenance process is avoided. The conventional information interaction mode is not transparent enough, and the operation of control personnel has more human factors, so that potential safety hazards can be caused to on-site maintenance work.
Therefore, it is highly desirable to invent a solution to the problem of insufficient transparency of the control system to interact with the field information.
Disclosure of Invention
In order to solve the above-mentioned problems, the present invention provides a control method for safely interacting with a switch machine, first, a control system communicatively connected with the switch machine is provided, the control system includes a master control device and a local device communicatively connected with each other, the control method includes the following steps:
s1, sending a request operation instruction to a main control device through a local device;
s2, after receiving the request operation instruction, the master control device authorizes the local device to control locally and outputs the level to the local device so that the state representation lamp of the local device is lightened;
s3, sending an electric operation switch machine request instruction to a main control device through a local device, and controlling the switch machine to a position opposite to the original state after the main control device receives the electric operation switch machine request instruction;
s4, after the switch machine is switched to a position opposite to the original state, sending a cancel operation request instruction to the main control device through the local device;
and S5, after receiving the operation command for canceling the request, the master control device cancels the local control of the authorized local device.
Further, the step S3 further includes: after receiving the switch machine operation request, the main control device judges whether the switch machine operation logic is established, if so, the main control device operates the switch machine to a position opposite to the original state; if not, the switch machine is not operated.
Further, the step S3 further includes: after the operation of the switch machine is completed, the main control device outputs a level to the local device so that the positioning indicator lamp or the inversion indicator lamp of the local device is lightened.
Further, the step S5 further includes: after receiving the operation cancellation request instruction, the main control device stops outputting the electric level to the local device so as to enable the state indication lamp, the positioning indication lamp and the inversion indication lamp of the local device to be turned off.
Further, in the step S1, the sending of the request operation instruction is implemented by touching a request operation button of the ground discovery device; the step S3 is realized by touching the button of the electric operation switch machine of the ground finding device; the step S4 of sending the request cancellation operation command is implemented by touching a request cancellation operation button of the ground discovery device.
Preferably, the steps S3 to S5 may further be:
s3, requesting the hand-operated turnout relay to be electrified through the operation of the local device, and displaying and disconnecting the corresponding switch machine on a control interface of the main control device after the main control device receives a level signal requesting the hand-operated turnout relay to be electrified, so that an operator operates the corresponding switch machine on site;
s4, after an operator finishes the operation of the corresponding switch machine, requesting the hand-operated switch relay to be powered off through the operation of the local device;
s5, after the main control device can not receive the level signal for requesting the hand-operated turnout relay to be electrified, the corresponding switch machine is restored to be displayed on the control interface.
Further, the step S3 further includes: after receiving the level signal requesting the hand switch relay to be electrified, the main control device outputs the level to the local device so as to enable the key to be pulled out to indicate that the lamp is lighted.
Further, after the key-out indication lamp is turned on in the step S3, the operator pulls out the key of the key lock device of the local device, and then operates the corresponding switch machine on site.
Further, the step S4 further includes: the key is inserted back into the key locking device.
Further, the step S5 further includes: the master control device stops outputting the level to the local device, and the key is pulled out to indicate that the lamp is turned off.
Further, the step S3 is implemented by triggering a request hand switch button to switch on the hand switch relay.
Further, the step S4 is implemented by resetting the request hand switch button to switch off the hand switch relay.
The control method provided by the invention has the advantages that the information transmission is more transparent, and good information interaction can be carried out between the local device and the main control device.
In addition, the invention also provides a control system for safely interacting with the switch machine, which comprises a main control device and a local device which are in communication connection with each other, wherein the main control device is also in communication connection with the switch machine, and can carry out interactive communication according to a level signal sent by the local device and generate a corresponding feedback level; the main control device executes corresponding operation on the switch machine according to the level signal sent by the local device; the master device includes an input unit for receiving the local device transmit level signal and an output unit for generating a feedback level.
Further, the local device comprises a display module and an operation module, wherein the operation module is connected with the main control device through a circuit, and a level signal is sent to the main control device through the operation module.
Further, the operation module includes: the request for operation button, the request for electric operation switch button, the request for cancel operation button, the request for hand operation switch button, and the key locking device can send the level to the master device by triggering the respective buttons.
Further, the request operation button, the request electric operation switch button and the request cancel operation button are self-resetting buttons, and the request hand switch button is a non-self-resetting button.
Further, the display module includes: a state indicating lamp, a positioning indicating lamp, a reverse indicating lamp and a key extracting indicating lamp;
the positioning indicates that the lamp is normally turned off, and the switch machine is in a positioning state when the switch machine is turned on;
the inversion represents normal state of the lamp, and represents that the switch machine is in an inversion state when the switch machine is lightened;
the state indicates that the lamp is normally turned off, and the state indicates that the local device is allowed to be controlled locally when the lamp is turned on;
the key is pulled out to indicate that the lamp is normally turned off, and the key is allowed to be pulled out when the lamp is lighted.
Further, the master control device also comprises a control interface for displaying the state of the switch machine.
The control method and the control system provided by the invention have the functions of local manual and electric control, and can effectively meet the requirements of on-site operation and remote operation of the switch machine switching; the local manual control and the electric control are completely independent functions, are realized through different buttons, and are not mutually interfered in operation under different operation scenes; the switch machine has the positioning indicator lamp and the inversion indicator lamp, so that the current state of the switch machine can be clearly displayed, and the safety of personnel on-site maintenance operation is improved; the operation buttons and the control interface are designed on the main control device, so that remote control personnel can know the operation state of field maintenance personnel in real time; the main control device and the local device are communicated through the high-low level input and output units, corresponding indication lamps are correspondingly provided, the current states of the main control device and the local device are reflected in an electric signal mode, and the operation safety of the site is effectively ensured.
Drawings
FIG. 1 is a circuit diagram of a control system of the present invention;
FIG. 2 is a schematic diagram of a field device display module and a control module;
fig. 3 is an operation interface of the master control device.
In the figure: DB: positioning indicates lamp, FB: inversion indicates a lamp, SLO: status indicates lamp, QQCZ: request the on-site operation button, QXCZ: requesting cancellation of the local operation button, QQDC: request electrically operated switch button, QQSY: request hand switch button, QQSYJ: request hand switch relay, BCYS: the key is pulled out to indicate the lamp.
Detailed Description
The following describes in further detail a control method and system for safe interaction with a switch machine in accordance with the present invention, in conjunction with the accompanying drawings and detailed description. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the invention. For a better understanding of the invention with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or essential characteristics thereof.
As shown in fig. 1, the present invention proposes a control system capable of operating a switch machine and safely interacting with the switch machine in situ, the control system comprising a master control device and a local device which are communicatively connected to each other, the local device being located outdoors in the vicinity of the switch machine, the master control device being located indoors and being capable of remotely controlling the switch machine, the master control device having a control interface for display and interaction. The local device comprises a display module and an operation module, wherein the operation module is in circuit connection with the main control device, and transmits a level signal to the main control device through the operation module.
The main control device can execute corresponding operation according to the level signal sent by the operation module and generate feedback level for controlling the display state of the display module, and an operator can identify the operation condition of the main control device on the switch machine according to the display state of the display module of the local device. The main control device is arranged indoors, and an indoor output unit of the main control device comprises: the control system comprises an input unit for receiving a level signal sent by the operation module, an output unit for generating a feedback level and a control interface for displaying the state of the switch machine, wherein a plurality of signal lamps are arranged on the control interface.
As shown in fig. 2, the display module of the local device includes: status indicator lamp SLO, positioning indicator lamp DB, and reverse indicator lamp FB, and key-out indicator lamp BCYS. The operation module comprises: the request operation button QQCZ, the request electric operation switch button QQDC, the request cancellation operation button QXCZ, the request hand switch button QQSY can send the level to the master control device by triggering the respective buttons. Further, the request operation button QQCZ, the request electric operation switch button QQDC, the request cancellation operation button QXCZ are self-resetting buttons, and the request hand switch button QQSY is a non-self-resetting button.
The display module is set as follows:
the location indicating lamp DB: and normally turning off the light, and turning on the yellow light indicates that the switch machine is in a positioning state.
Flip indicates lamp FB: and normally turning off the lamp, and turning on the yellow lamp to indicate that the switch machine is in a reversed state.
Status indication lamp SLO: normally off, a yellow light is illuminated indicating that the local device is allowed to be controlled locally.
Pulling out the key indicating lamp BCYS: the light is normally turned off and the yellow light is turned on to indicate that the field maintenance personnel is allowed to pull out the key.
As shown in fig. 3, the control interface signal lamp of the master control device is set as follows:
when the local device requests local control, the right module red light on the control interface flashes.
The master control device authorizes local control of the local device, and the yellow lamp of the left module on the control interface is always on.
The key in the key locking device is pulled out, and the right side module red light on the control interface is always on.
The local device requests to cancel the local control and the left module yellow light on the control interface blinks.
The invention also provides a control method for safely interacting with the switch machine, which is realized by adopting the control system, and specifically comprises the following steps:
s1, sending a request operation instruction to a main control device through a local device, optionally, generally opening the local device on site by an operator, and then pressing a request operation button QQCZ of the local device to send the request operation instruction;
s2, after receiving the request operation instruction, the master control device authorizes the local device to control locally and outputs the level to the local device so that the state indication lamp of the local device is lightened. The operator can observe that the local operation is enabled after the status lamp is turned on, and then the following steps are performed, and the operation conditions of the switch machine are different according to different situations, and the switch machine can be generally classified into the following two scenes.
Scene a:
s3, sending an electric operation switch machine request instruction to a main control device through a local device, and controlling the switch machine to a position opposite to the original state after the main control device receives the electric operation switch machine request instruction;
s4, after the switch machine is identified to be switched to a position opposite to the original state on site, sending a cancel operation request instruction to the main control device through the local device;
and S5, after receiving the operation command for canceling the request, the master control device cancels the local control of the authorized local device.
In this scenario a, the step S3 further includes: after the switch machine is operated, the main control device outputs a level to the local device so that the positioning indicator lamp (or the reverse indicator lamp) of the local device is lightened. Correspondingly, the step S5 further includes: after receiving the operation cancellation request instruction, the master control device stops outputting the level to the local device so that the state indication lamp SLO, the positioning indication lamp DB and the flip indication lamp FB of the local device are all turned off.
The step S1 of sending the request operation instruction is implemented by touching a request operation button QQCZ of the ground discovery device; the step S3 is realized by touching the button QQDC of the electric operation switch machine of the ground finding device; the step S4 of sending the request cancellation operation command is implemented by touching the request cancellation operation button QXCZ of the discovery device.
Scene B:
after confirming that the local device can perform local operation, the switch machine can be switched to a manual operation switch machine, and the method specifically comprises the following steps:
s3, requesting the hand-operated turnout relay QQSYJ to be electrified through the operation of the local device, displaying and disconnecting the corresponding switch machine on a control interface of the main control device after the main control device receives a level signal requesting the hand-operated turnout relay QQQSYJ to be electrified, and enabling an operator to manually operate the corresponding switch machine on site when the corresponding switch machine is temporarily separated from the monitoring of the main control device;
s4, after an operator finishes the operation of the corresponding switch machine, requesting the hand-operated switch relay QQSYJ to be powered off through the operation of the local device;
s5, after confirming the level signal of the power-on of the non-request hand-operated turnout relay, the main control device resumes displaying the corresponding switch machine on the control interface.
In this scenario B, the step S3 of controlling the request hand switch relay to be energized is implemented by touching a request hand switch button QQSY of the ground finding device, which is a non-self-resetting button, and the step S5 of manually pulling out the non-self-resetting button to reset.
Further, in step S3, after receiving a level signal requesting that the hand switch relay QQSYJ be energized, the master control device outputs a level to the local device so that the key is pulled out to indicate that the lamp is turned on; after the operator observes that the key-out indication lamp is turned on, the operator pulls out the key of the key locking device of the local device, and then manually operates the corresponding switch machine on hand. Correspondingly, in step S4, after the hand-operated switch relay QQSYJ is required to be powered off, the operator inserts the key which is pulled out back to reset, and in step S5, the master control device stops outputting the level to the local device after the master control device cannot receive the level signal which requires the hand-operated switch relay to be powered on, so that the key is pulled out to indicate that the lamp is turned off.
In summary, the device provided by the invention has the functions of local manual and electric control, and can effectively meet the requirements of switching the field operation and remote operation of the switch machine; the local manual control and the electric control are completely independent functions, are realized through different buttons, and are not mutually interfered in operation under different operation scenes; the switch machine has the positioning indicator lamp and the inversion indicator lamp, so that the current state of the switch machine can be clearly displayed, and the safety of personnel on-site maintenance operation is improved; the operation buttons and the control interface are designed on the main control device, so that remote control personnel can know the operation state of field maintenance personnel in real time; the main control device and the local device are communicated through the high-low level input and output units, corresponding indication lamps are correspondingly provided, the current states of the main control device and the local device are reflected in an electric signal mode, and the operation safety of the site is effectively ensured.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention. Many modifications and substitutions of the present invention will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (18)
1. A control method for secure interaction with a switch machine, characterized by providing a control system in communication with the switch machine, the control system comprising a master device and a local device in communication with each other, the control method comprising the steps of:
s1, sending a request operation instruction to a main control device through a local device;
s2, after receiving the request operation instruction, the master control device authorizes the local device to control locally and outputs the level to the local device so that the state representation lamp of the local device is lightened;
s3, sending an electric operation switch machine request instruction to a main control device through a local device, and controlling the switch machine to a position opposite to the original state after the main control device receives the electric operation switch machine request instruction;
s4, after the switch machine is switched to a position opposite to the original state, sending a cancel operation request instruction to the main control device through the local device;
and S5, after receiving the operation command for canceling the request, the master control device cancels the local control of the authorized local device.
2. The method for controlling safe interaction with a switch machine according to claim 1, wherein said step S3 further comprises: after receiving the switch machine operation request, the main control device judges whether the switch machine operation logic is established, if so, the main control device operates the switch machine to a position opposite to the original state;
if not, the switch machine is not operated.
3. The method for controlling safe interaction with a switch machine according to claim 1, wherein said step S3 further comprises: after the operation of the switch machine is finished, the main control device outputs the level to the local device to enable the positioning indicator lamp or the inversion indicator lamp of the local device to be lightened, so that the switch machine is prompted to be in a positioning state or an inversion state.
4. The method of claim 1, wherein the step S5 further comprises: after receiving the operation cancellation request instruction, the main control device stops outputting the electric level to the local device so as to enable the state indication lamp, the positioning indication lamp and the inversion indication lamp of the local device to be turned off.
5. The control method for safe interaction with a switch machine according to claim 1, wherein the step S1 of transmitting the request operation command is performed by touching a request operation button of a ground finding device;
the step S3 is realized by touching the button of the electric operation switch machine of the ground finding device;
the step S4 of sending the request cancellation operation command is implemented by touching a request cancellation operation button of the ground discovery device.
6. The method of claim 1, wherein the steps S3 to S5 further comprise:
s3, requesting the hand-operated turnout relay to be electrified through the operation of the local device, and displaying and disconnecting the corresponding switch machine on a control interface of the main control device after the main control device receives a level signal requesting the hand-operated turnout relay to be electrified, so that an operator operates the corresponding switch machine on site;
s4, after an operator finishes the operation of the corresponding switch machine, requesting the hand-operated switch relay to be powered off through the operation of the local device;
s5, after confirming the level signal of the power-on of the non-request hand-operated turnout relay, the main control device resumes displaying the corresponding switch machine on the control interface.
7. The method of claim 6, wherein said step S3 further comprises: after receiving the level signal requesting the hand switch relay to be electrified, the main control device outputs the level to the local device so as to enable the key to be pulled out to indicate that the lamp is lighted.
8. The method of claim 7, wherein the step S3 of extracting the key indicates that the key of the key locking device of the local device is extracted by the operator after the lamp is turned on, and then the corresponding switch machine is operated on site.
9. The method of claim 8, wherein said step S4 further comprises: the key is inserted back into the key locking device.
10. The method of claim 8, wherein said step S5 further comprises: the master control device stops outputting the level to the local device, and the key-out indicating lamp is turned off.
11. The method of claim 6, wherein said step S3 of operating the request hand switch relay to energize is accomplished by triggering the request hand switch button.
12. The method of claim 11, wherein said step S4 of operating a request for a manual switch relay to de-energize is accomplished by resetting said request for a manual switch button.
13. A control system for safe interaction with a switch machine for implementing the control method according to any one of the preceding claims 1 to 12, characterized by comprising a master device and a local device in communication with each other, said master device being also in communication with the switch machine, said master device being capable of performing an interactive communication according to a level signal sent by said local device and generating a corresponding feedback level;
the main control device executes corresponding operation on the switch machine according to the level signal sent by the local device;
the master device includes an input unit for receiving the local device transmit level signal and an output unit for generating a feedback level.
14. The control system of claim 13, wherein the local device comprises a display module and an operating module, the operating module being electrically connected to the master device and transmitting a level signal to the master device via the operating module.
15. The control system for safe interaction with a switch machine of claim 14, wherein the operating module comprises: the request for operation button, the request for electric operation switch button, the request for cancel operation button, the request for hand operation switch button, and the key locking device can send the level to the master device by triggering the respective buttons.
16. The control system for safe interaction with a switch machine of claim 15, wherein the request operation button, the request electric operation switch machine button, and the request cancellation operation button are self-resetting buttons, and the request hand switch machine button is a non-self-resetting button.
17. The control system for safe interaction with a switch machine of claim 14, said display module comprising: a state indicating lamp, a positioning indicating lamp, a reverse indicating lamp and a key extracting indicating lamp;
the positioning indicates that the lamp is normally turned off, and the switch machine is in a positioning state when the switch machine is turned on;
the inversion represents normal state of the lamp, and represents that the switch machine is in an inversion state when the switch machine is lightened;
the state indicates that the lamp is normally turned off, and the state indicates that the local device is allowed to be controlled locally when the lamp is turned on;
the key is pulled out to indicate that the lamp is normally turned off, and the key is allowed to be pulled out when the lamp is lighted.
18. The control system for safe interaction with a switch machine of claim 13, wherein the master control device further comprises a control interface for displaying the state of the switch machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310953045.XA CN116750039A (en) | 2023-07-31 | 2023-07-31 | Control method and system for safe interaction with switch machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310953045.XA CN116750039A (en) | 2023-07-31 | 2023-07-31 | Control method and system for safe interaction with switch machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116750039A true CN116750039A (en) | 2023-09-15 |
Family
ID=87951568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310953045.XA Pending CN116750039A (en) | 2023-07-31 | 2023-07-31 | Control method and system for safe interaction with switch machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116750039A (en) |
-
2023
- 2023-07-31 CN CN202310953045.XA patent/CN116750039A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103108823B (en) | Monitor control device | |
| CN108657233B (en) | Time sequence-based intelligent diagnosis method for turnout operation and maintenance of computer interlocking system | |
| CN112130448A (en) | Method for switching between main and standby machines | |
| CN213015928U (en) | Shield door control system | |
| JP2012038044A (en) | Test device and test method of monitoring control system | |
| CN108725521B (en) | Hot standby redundancy management system and method for main and standby control centers of rail transit | |
| US11668122B2 (en) | Arrangement for a vehicle, in particular a rail vehicle, or for a building and a method of operating the vehicle or the building | |
| CN105480262B (en) | Linkage control system and method for full automatic driving | |
| US20230415797A1 (en) | Switch control method for rail transit signal system, and apparatus for method | |
| JP5312210B2 (en) | Train information display system and train information display method | |
| CN116750039A (en) | Control method and system for safe interaction with switch machine | |
| US20220363513A1 (en) | Mobile control unit and method for remotely controlling an elevator installation | |
| CN109116760B (en) | Control method and control system of parking device | |
| CN100520850C (en) | Fail-safe remote control | |
| CN116080713A (en) | Track side equipment control system and track side equipment control method | |
| RU2598919C1 (en) | Automated system for controlling train attachment devices | |
| CN105871058A (en) | Remote monitoring device of test power supply | |
| CN207292035U (en) | Long-range isolation circuit and the brake fault shielding system for crewless train | |
| CN205430700U (en) | Experimental power monitoring device of wireless multichannel | |
| CN107121951B (en) | Interlocking protection function input and exit monitoring system and method | |
| KR100772128B1 (en) | Speed remote control system of atc(automatic train control) | |
| CN109283910B (en) | KVM remote control system | |
| CN111169507A (en) | Turnout state monitoring system | |
| CN105071534B (en) | Breaker both sides isolator operation power supply smart feeding device | |
| CN115071766B (en) | Control system and control method of clearance relieving device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |