CN209600507U - A kind of vehicle safety interlock - Google Patents
A kind of vehicle safety interlock Download PDFInfo
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- CN209600507U CN209600507U CN201821348004.9U CN201821348004U CN209600507U CN 209600507 U CN209600507 U CN 209600507U CN 201821348004 U CN201821348004 U CN 201821348004U CN 209600507 U CN209600507 U CN 209600507U
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Abstract
The utility model discloses a kind of vehicle safety interlocks, it is related to vehicle safety detection technique field；DCC display scheduling subsystem and five anti-safety interlockings and power supply state warn anti-error subsystem to be electrically connected, and five anti-safety interlockings and power supply state warn anti-error subsystem to be made of operating terminal, Interface Controller cabinet, disconnecting switch motor-operating mechanism, visualization automatic earthing device, contact net electrification display device, contact net electrification display device, warning device, entrance guard device, video-unit, hand-held microcomputer anti-error operating device；The utility model realizes a kind of networking, visualization, the anti-error safety management automated system of standardized synthesis, unit of operation can effectively be promoted to the supportability of operating personnel and equipment safety, shorten the activity duration simultaneously, improve work quality and efficiency, is ensured safety with realization, the operation target of high efficiency, low cost.
Description
Technical field
The utility model belongs to vehicle safety detection technique field, and in particular to a kind of vehicle safety interlock.
Background technique
Rolling stock section is also to carry out operation management to vehicle in City Rail Transit System (subway, urban light rail), stop simultaneously
The place put and repaired, maintain.Metro depot is mainly divided into maintenance area and operating area.All service works are being overhauled
Area carries out, and operating area is mainly responsible for parking, arranging inspection and service on buses or trains work for section category vehicle.
It is mainly as follows to overhaul area's function:
A, undertake it is a plurality of by interconnection communicate with each other route vehicle big un-wheeling repair work.
B, the periodical repair of route vehicle, monthly test belonging to undertaking and face and repair work.Tune is moved additionally by quiet reconcile, train is carried out
The test of comprehensive performance.
C, the vehicle parking of route belonging to undertaking and column inspection work.
Wherein most of work of car inspection and repair is carried out in inspection platform of climbing to the top of a mountain.Inspection personnel need to get on the bus
Top carries out operation, and since power supply grid is DC1500V voltage, general management is not perfect, misoperation, will result in personal wound
It dies, threatens human life and equipment safety.Therefore it needs to configure a set of upkeep operation safety interlocking management system in rolling stock section, protect
Demonstrate,prove operator when contact net is without electricity could into vehicle roof platform or upper roof operation and ensure vehicle roof platform and roof nobody
Shi Caineng powers to contact net.
Utility model content
It needs to get on the bus to push up for the existing Inspection personnel of solution and carries out operation, since power supply grid is DC1500V voltage,
The problem of general management is not perfect, misoperation, will result in personal injury, threatens human life and equipment safety；This is practical
Novel is designed to provide a kind of vehicle safety interlock.
A kind of vehicle safety interlock of the utility model, it includes DCC display scheduling subsystem, five anti-safety interlockings
And power supply state warns anti-error subsystem；DCC display scheduling subsystem and five anti-safety interlockings and power supply state warn anti-error son
System is electrically connected, and DCC display scheduling subsystem is by system server, display scheduling host, scheduling display screen, intelligent card-reading
Device, the network equipment, microcomputer cabinet composition；Five anti-safety interlockings and power supply state warn anti-error subsystem by operating terminal, interface control
Cabinet processed, disconnecting switch motor-operating mechanism, visualization automatic earthing device, contact net electrification display device, contact net electrification are aobvious
Showing device, warning device, entrance guard device, video-unit, hand-held microcomputer anti-error operating device composition；Operating terminal is five anti-peaces
The user-machine interface of full interlocking subsystem, operating terminal are placed in inspection platform inlet side, are provided with intelligence in Interface Controller cabinet
It can control device, the network equipment, video host, safety relay and relevant security logic control unit, for receiving operation eventually
The instruction at end and the movement for driving disconnecting switch motor, electroscopic device, automatic earthing device, entrance guard device, and acquire correlation and set
Standby state is sent to operating terminal.
Preferably, the hand-held Computer-lock Device For Preventing Incorrect Operation Used is by intelligent computer key, adapter, wireless communication module and prevents
False-lock tool composition.
Preferably, the contact net electrification display device is LED display.
Preferably, the entrance guard device by access control host, card reader, infrared counting device, gate inhibition's status indicator lamp,
Door closer, electric control door lock, employee job card management equipment composition, the access control subsystem of each station track platform position are independent of one another.
Compared with prior art, the utility model has the following beneficial effects:
One, quick, highly-safe when being able to achieve Quick overhaul, and overhauling, it is easy to operate, the time can be saved；
Two, a kind of networking, visualization, the anti-error safety management automated system of standardized synthesis are realized, can effectively be mentioned
Unit of operation is risen to the supportability of operating personnel and equipment safety, while shortening the activity duration, improving work quality and efficiency,
It is ensured safety with realization, the operation target of high efficiency, low cost.
Detailed description of the invention
The present invention is described in detail by the following detailed description and drawings for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, below by shown in the accompanying drawings
Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality
With novel range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid unnecessarily mixing
Confuse the concept of the utility model.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings
It illustrate only the structure and/or processing step closely related with scheme according to the present utility model, and be omitted practical with this
The little other details of new relationship.
As shown in Figure 1, present embodiment uses following technical scheme: it includes DCC display scheduling subsystem, five anti-
Safety interlocking and power supply state warn anti-error subsystem；
The DCC display scheduling subsystem: DCC display scheduling subsystem should be able to reflect presence states information in real time, and
The instruction secure for ensuring that it is issued is reliable.DCC display scheduling subsystem is shown by system server, display scheduling host, scheduling
The composition such as screen, intelligent card reader, the network equipment, microcomputer cabinet.Display scheduling host execution information display scheduling software, for completing
Information display scheduling function.Dispatch display terminal of the display screen as scheduling display host.
Five anti-safety interlockings and power supply state warn anti-error subsystem:
Five anti-safety interlocking subsystems are mainly by operating terminal, Interface Controller cabinet, disconnecting switch motor-operating mechanism, automatic
The composition such as earthing or grounding means, electroscopic device, LED display, warning device, entrance guard device, video-unit, the anti-safety of the five of each line
Interlocking subsystem is using system model that is independent of one another, managing concentratedly.
Operating terminal is the user-machine interface of five anti-safety interlocking subsystems, is placed in inspection platform entrance, is used for
Equipment operator forfeit electrically operated, and operating terminal uses its display of technical grade product for liquid crystal display touch screen, and matches
Card reader, positioning indicator are set, equipment operator must hold the employee job card for meeting operating right and could start door after swiping the card
The operation such as taboo, disconnecting switch and inspection earthing.
Intelligent controller, the network equipment, video host, safety relay and relevant security logic is arranged in Interface Controller cabinet
Control unit, for receiving the instruction of operating terminal and driving disconnecting switch motor, electroscopic device, automatic earthing device, gate inhibition
The movement of device etc., and acquire relevant device state and be sent to operating terminal.Safety relay and dependent LU are answered in cabinet
Ensure five anti-safety lock logics between equipment, prevents equipment malfunction from making, all circuit logics of interface cabinet and state acquisition, movement
Driving, which follows, follows fault-safety principle principle.
Disconnecting switch motor-operating mechanism acts after receiving the action command of interface cabinet, and passes through link transmission and drive isolation
Switch carries out divide-shut brake, and disconnecting switch motor-operating mechanism is it is ensured that reliable in action is simultaneously real-time accurately by disconnecting switch position shape
State information feeds back to interface cabinet, and disconnecting switch motor-operating mechanism should be able to control that ensure after ground wire is withdrawn could be by system
Row feed motion can open driving motor cabinet door by private key, and be isolated by hand crank after electronic failure
The breaking-closing operating of switch.
Visualizing automatic earthing device has automatic electricity-testing and blocking function, acts after receiving the action command of interface cabinet,
Earth brace is driven to carry out the mounting of ground wire and withdraw, visualization automatic earthing device can be in real time accurately by the status information of itself
Feed back to interface cabinet.There is visualization automatic earthing device independent latching logic just can be carried out ground wire when guaranteeing contact net without electricity
Mounting operation, after electronic failure, can by private key open automatic earthing device cabinet door, and by hand crank progress
The mounting of ground wire and Departure operation.Visualization automatic earthing device can pass through the directly visual disjunction of tempered glass cover and closed form
State.
It visualizes automatic earthing device and contact net voltage signal is acquired using voltage monitoring method.Voltage detection unit uses two
Road input signal etc. compares the correctness and high reliability that measure ensures that contact net electrification is shown.
Contact net electrification display device judges that contact net need to be provided simultaneously with two conditions without electricity:
A, contact net no-voltage；
B, this station track disconnecting switch is in an off state.
Contact net electrification display device mainly passes through the power supply of detection contact net and the state-driven LED screen of disconnecting switch is real-time
Show that contact net electrification status information, contact net electrification display device use LED Lattice display model, LED shows that content is main
It is as follows:
The display when contact net has electricity: red " lightning " figure, " having electricity " Chinese character and this station track column bit number；
It is shown when contact net is without electricity: green "×" figure, " no electricity " Chinese character and this station track column bit number；
It is shown when device detection power supply state is invalid: " lightning " figure, " failure " Chinese character and this station track of yellow
Column bit number.
Contact net electrification display device:
LED display shows electricity after receiving the instruction of operating terminal and without power information, to indicate whether contact net has electricity,
And it can be according to live specific cargo handling operation relevant information, real-time display job state, caveat etc..LED display can be located at every
The both ends appropriate location of personal share platform where rites are performed position, LED display is it is ensured that instruction is accurate and reliable.LED display should be able to pass through system control
System ensures only indicate after ground wire reliably mounts without electricity.
Warning device receives system command for the corresponding action state of warning system and other abnormal states of affairs, division
Alarm before lock, ground wire mounting before alarm, ground wire withdraw before alarm, in addition, gate inhibition's door lock open, earth brace mounting when it is equal
Police instruction.
Hand-held Computer-lock Device For Preventing Incorrect Operation Used is mainly by intelligent computer key, adapter, wireless communication module and anti-error lock group
At.System configures intelligent computer key (containing adapter) in each DCC, and acceptable decomposed by dispatching host machine of intelligent computer key is given birth to
At grid switching operation bill, connect the related electric equipment that operator after ticket holds intelligent computer key to administration and carry out anti-misoperation.
In addition, intelligent computer key should be able to also be in five anti-safety lock system equipment or network failure, as backup unit
Realize system backup anti-misoperation function.
Entrance guard device for managing gate inhibition card using information and will pass to for information about five anti-safety interlocking subsystems and
Display scheduling subsystem, and opened or closed according to the instruction requirement of the authority information being arranged and five anti-safety interlocking subsystems
Gate inhibition, to allow or forbid upkeep operation of climbing to the top of a mountain.
Entrance guard device is mainly by access control host, card reader, infrared counting device, gate inhibition's status indicator lamp, door closer, electricity
The composition such as door lock, employee job card management equipment is controlled, the access control subsystem of each station track platform position is independent of one another.
Access control host is used for the card using information of managing gate inhibition and will pass to five anti-safety lock control systems for information about
System and display scheduling subsystem, and opened according to the instruction requirement of the authority information being arranged and five anti-safety lock control subsystems
Gate inhibition is opened or closes, to allow or forbid upkeep operation of climbing to the top of a mountain.
Card reader is that the climb to the top of a mountain employee job card of operating personnel's access way reads equipment, and card reader is by card reading information real-time transmission
Access control host is given, each gate inhibition needs to be arranged two card readers of disengaging.
Infrared counting device is arranged at gate inhibition channel, and for counting personnel's situation of disengaging gate inhibition, access control host will
It effectively climbs to the top of a mountain people according to the opening for the information strict control gate inhibition that the statistical result of infrared counting and gate inhibition are swiped the card, and by gate inhibition
Member's number passes to five anti-safety interlocking control subsystems and DCC display scheduling subsystem, misdelivers to prevent locking system electrically operated.
Door closer is configured in gate inhibition's access door, access door is automatically closed after access way, and access door must be able to prevent personnel
It pierces and crosses, access door carries out locking and unlatching using door lock.
Door lock is used for locking access door, and door lock is controlled by access control host, it is necessary to which meeting unlocking condition could unlock, and lead to
Sect is swiped the card after, and automatic blocking, door lock are unlocked using the manual two ways of automatically controlled and private key after access door closing,
It is controlled and is unlocked by system under normal circumstances, be locking states when system power loss, at this point, can be opened with computer key.
Video monitoring apparatus realizes simulation linkage, operations linkage and alarm linkage, is operated by Video Remote real-time tracking
Situation, the situation in place including equipment operation, remote equipment are checked, achieve the purpose that long-distance video monitoring and safety management.
Picture control terminal is placed in the operating table surface in maintenance control room, is carried out for overhauling dispatcher to video image
Control, picture control desk can switch over as needed key frame, playback, adjustment member video camera shoot with video-corder picture and aperture,
Focal length etc., picture control subsystem can automatically switch as needed and choose the picture of application station position.
The fixed gun shaped video camera of a frame is arranged for recording maintenance people in each operation post position gate inhibition's passage proximate in station track
The overall process in member's disengaging gate inhibition channel.
It is dynamic for recording automatic earthing device that the fixed gun shaped video camera of a frame is arranged in each automatic earthing device in station track
The overall process of work.
The fixed gun shaped video camera of a frame is arranged for recording disconnecting switch point in each disconnecting switch neighbouring position in station track
The overall process of feed motion.
The zoom ball-shaped camera with holder is set in inspection platform, entirely reorganizes and outfit maintenance area for overhauling dispatcher's observation
Each station track handling situations.
Present embodiment realizes a kind of networking, visualization, the anti-error safety management Department of Automation of standardized synthesis
System, can effectively promote unit of operation to the supportability of operating personnel and equipment safety, while shortening the activity duration, improving work
Quality and efficiency are ensured safety, the operation target of high efficiency, low cost with realization.
Major measure is as follows:
A, system is to disconnecting switch, automatic earthing device, plate tunnel gate inhibition before the library with inspection platform station track of climbing to the top of a mountain
Deng operation carry out safety interlocking and control, fully ensure that operating personnel's personal safety of climbing to the top of a mountain, prevent top layer working platform personnel
By the infringement of contact net high pressure, the interlocked control of disconnecting switch, automatic electricity-testing, automatic earthing, plate tunnel door etc. is realized.
B, to parking stall station track configuration power supply state warning.
C, by the judgement of anti-mis-logical, according to prior designed operation, limit the operating process of operating personnel, from from
And the generation for leading to accident because of operational mistake is prevented, it is effectively guaranteed that safety in production.
Rolling stock section's safety interlock system is made of DCC display scheduling subsystem and five anti-safety interlocking subsystems.Rolling stock section
In five it is anti-requirement as shown in annex one.
System realizes a whole set of security strategy, and specific measure is as follows:
(1) information display scheduling:
It has been shown that, record and enquiring vehicle stop, platform bit occupancy, keep apart off-position on the display terminal of maintenance dispatcher
It sets, ground state, whether station track is charged, whether there is or not the information such as personnel and personnel's concrete condition for roof；
It overhauls dispatcher and electric application is forfeited to specified platform position according to equipment operator, and according to roof operating condition and by electricity
The video image information of bow, the application of approval or refusal equipment operator to disconnecting switch breaking-closing operating.
(2), five anti-safety interlocking control:
Reliable means technically are taken, are closed in rights management, sole operation power, simulation preview, logic judgment, equipment pressure
Lock etc. carries out comprehensive perfect anti-error management, avoids artificial uncertain factor.Remote operation, local operation, maintenance behaviour
Work, accidental operation, more site operations, unlock operation must comply with stringent anti-mis-logical.
Whether verifying device operator has permission operation equipment；
Power-off application is carried out to specified platform position；
Obtain the sub-switching operation license of maintenance dispatcher；
Control motor driven disconnecting switch separating brake；
Whether there is electricity to verify in contact net after separating brake；
Hanging earthing conductor operation is carried out to contact net, prevents contact net from damaging to roof operating personnel；
Gate inhibition is unlocked after the completion of roof operation protection, allows operation of climbing to the top of a mountain；
Power transmission application is carried out to specified platform position；
It needs to check whether roof operating personnel empties before combined floodgate；
Locking is climbed to the top of a mountain channel before closing a floodgate, and forbids operation of climbing to the top of a mountain；
Obtain the closing operation license of maintenance dispatcher；
Ground wire is removed before power transmission, prevents top electricity；
Motor driven disconnecting switch is controlled to close a floodgate；
Five anti-safety interlocking controls should support the permission of " staff one-card-through " to operate and manage.
(3), it climbs to the top of a mountain access control:
It controls and monitors service personnel and climb to the top of a mountain operation, count roof personnel amount, control and monitor and pushed up under service personnel, unite
Count roof personnel amount.Personnel are inconsistent not to be allowed to power on.
(4), video monitoring function:
Roof operation video monitoring, including personnel are detained situation and current collecting bow lifting situation；
Video monitoring is carried out to the opening and closing state of disconnecting switch；
To earthing or grounding means whether hanging earthing conductor and remove ground wire carry out video monitoring；
Situation is passed in and out to the personnel of plate tunnel and carries out video monitoring；
Operating procedure should have the function of video record.
(5), power supply state alarm function: configuration contact net electrification display device shows power supply state information.
(6), intelligent terminal formula anti-misoperation function: inspection platform of climbing to the top of a mountain configures intelligent terminal and realizes anti-misoperation function
Energy.
(7), hand-held anti-misoperation function: system is anti-error to configurations such as operating mechanism, control unit, artificial electrical verification ground connection
Puzzle lock realizes hand-held anti-misoperation function using intelligent computer key.
Claims (4)
1. a kind of vehicle safety interlock, it is characterised in that: it include DCC display scheduling subsystem, five anti-safety interlockings and
Power supply state warns anti-error subsystem；DCC display scheduling subsystem and five anti-safety interlockings and power supply state warn anti-error subsystem
System be electrically connected, DCC display scheduling subsystem by system server, display scheduling host, scheduling display screen, intelligent card reader,
The network equipment, microcomputer cabinet composition；Five anti-safety interlockings and power supply state warn anti-error subsystem by operating terminal, Interface Controller
Cabinet, disconnecting switch motor-operating mechanism, visualization automatic earthing device, contact net electrification display device, warning device, gate inhibition's dress
It sets, video-unit, hand-held microcomputer anti-error operating device composition；Operating terminal is the man-machine interface of five anti-safety interlocking subsystems
Interface, operating terminal are placed in inspection platform inlet side, intelligent controller, the network equipment, video are provided in Interface Controller cabinet
Host, safety relay and relevant security logic control unit, for receiving the instruction of operating terminal and driving disconnecting switch
The movement of motor, electroscopic device, automatic earthing device, entrance guard device, and acquire relevant device state and be sent to operating terminal；
Disconnecting switch motor-operating mechanism acts after receiving the action command of interface cabinet, and drives disconnecting switch by link transmission
Divide-shut brake is carried out, disconnecting switch motor-operating mechanism is it is ensured that reliable in action simultaneously in real time accurately believes disconnecting switch location status
Breath feeds back to interface cabinet, and disconnecting switch motor-operating mechanism should be able to be controlled by system to be ensured just to can be carried out conjunction after ground wire is withdrawn
Lock movement can open driving motor cabinet door by private key, and carry out disconnecting switch by hand crank after electronic failure
Breaking-closing operating；
Visualizing automatic earthing device has automatic electricity-testing and blocking function, acts after receiving the action command of interface cabinet, drives
Earth brace carries out the mounting of ground wire and withdraws, and visualization automatic earthing device can be in real time accurately by the status information feedback of itself
To interface cabinet；The extension that there is visualization automatic earthing device independent latching logic just can be carried out ground wire when guaranteeing contact net without electricity
Operation is connect, after electronic failure, automatic earthing device cabinet door can be opened by private key, and ground wire is carried out by hand crank
Mounting and Departure operation；Visualization automatic earthing device can pass through the directly visual disjunction of tempered glass cover and closed state；
It visualizes automatic earthing device and contact net voltage signal is acquired using voltage monitoring method；
Contact net electrification display device mainly passes through the state-driven LED screen real-time display of the power supply of detection contact net and disconnecting switch
Contact net electrification status information, contact net electrification display device use LED Lattice display model；
Contact net electrification display device:
LED display shows electricity after receiving the instruction of operating terminal and without power information, to indicate whether contact net has electricity, and can
According to live specific cargo handling operation relevant information, real-time display job state, caveat；
Warning device receives system command and is used for the corresponding action state of warning system, the alarm before divide-shut brake, before ground wire mounting
Alarm, ground wire withdraw before alarm, in addition, gate inhibition's door lock is opened, earth brace mounting when equal police instruction；
System configures intelligent computer key in each DCC, and intelligent computer key is acceptable to decompose the back brake generated by dispatching host machine
Operation order, operator holds the related electric equipment progress anti-misoperation of intelligent computer key to administration after connecing ticket；
In addition, intelligent computer key should be able to also be realized in five anti-safety lock system equipment or network failure as backup unit
System backup anti-misoperation function；
Entrance guard device is used for the card using information of managing gate inhibition and will pass to five anti-safety interlocking subsystems and display for information about
Scheduler subsystem, and door is opened or closed according to the instruction requirement of the authority information being arranged and five anti-safety interlocking subsystems
Prohibit, to allow or forbid upkeep operation of climbing to the top of a mountain；
Door lock is used for locking access door, and door lock is controlled by access control host, it is necessary to which meeting unlocking condition could unlock, access door
Swiping the card after, automatic blocking, door lock are unlocked using the manual two ways of automatically controlled and private key after access door closing, normally
In the case of by system control unlock, when system power loss be locking states, at this point, can be opened with computer key.
2. a kind of vehicle safety interlock according to claim 1, it is characterised in that: the hand-held microcomputer anti-error dress
It sets and is made of intelligent computer key, adapter, wireless communication module and anti-error lock.
3. a kind of vehicle safety interlock according to claim 1, it is characterised in that: the contact net electrification display dress
It is set to LED display.
4. a kind of vehicle safety interlock according to claim 1, it is characterised in that: the entrance guard device is controlled by gate inhibition
Host processed, card reader, infrared counting device, gate inhibition's status indicator lamp, door closer, electric control door lock, employee job card management equipment composition, often
The access control subsystem of personal share platform where rites are performed position is independent of one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821348004.9U CN209600507U (en) | 2018-08-21 | 2018-08-21 | A kind of vehicle safety interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821348004.9U CN209600507U (en) | 2018-08-21 | 2018-08-21 | A kind of vehicle safety interlock |
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| CN209600507U true CN209600507U (en) | 2019-11-08 |
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| CN201821348004.9U Active CN209600507U (en) | 2018-08-21 | 2018-08-21 | A kind of vehicle safety interlock |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653027A (en) * | 2020-05-06 | 2020-09-11 | 国网河北省电力有限公司灵寿县供电分公司 | Access control system and method based on electric power operation ticket |
| CN111791920A (en) * | 2020-07-03 | 2020-10-20 | 珠海优特电力科技股份有限公司 | Vehicle section departure operation control method, vehicle receiving operation control method and system |
| CN112615927A (en) * | 2020-12-23 | 2021-04-06 | 成都运达科技股份有限公司 | Interconnection method and system |
| CN112906916A (en) * | 2021-02-09 | 2021-06-04 | 上海地铁维护保障有限公司 | Safety system for subway power outage and transmission |
| CN113335144A (en) * | 2021-06-23 | 2021-09-03 | 武汉黎赛科技有限责任公司 | Emergency grounding safety control device for bullet train station |
-
2018
- 2018-08-21 CN CN201821348004.9U patent/CN209600507U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653027A (en) * | 2020-05-06 | 2020-09-11 | 国网河北省电力有限公司灵寿县供电分公司 | Access control system and method based on electric power operation ticket |
| CN111791920A (en) * | 2020-07-03 | 2020-10-20 | 珠海优特电力科技股份有限公司 | Vehicle section departure operation control method, vehicle receiving operation control method and system |
| CN112615927A (en) * | 2020-12-23 | 2021-04-06 | 成都运达科技股份有限公司 | Interconnection method and system |
| CN112615927B (en) * | 2020-12-23 | 2023-05-23 | 成都运达科技股份有限公司 | Interconnection method and system |
| CN112906916A (en) * | 2021-02-09 | 2021-06-04 | 上海地铁维护保障有限公司 | Safety system for subway power outage and transmission |
| CN113335144A (en) * | 2021-06-23 | 2021-09-03 | 武汉黎赛科技有限责任公司 | Emergency grounding safety control device for bullet train station |
| CN113335144B (en) * | 2021-06-23 | 2022-07-19 | 武汉黎赛科技有限责任公司 | Emergency grounding safety control device for bullet train station |
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