CN111852249B - Front-back staggered high-speed rail platform door control method - Google Patents
Front-back staggered high-speed rail platform door control method Download PDFInfo
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- CN111852249B CN111852249B CN202010748202.XA CN202010748202A CN111852249B CN 111852249 B CN111852249 B CN 111852249B CN 202010748202 A CN202010748202 A CN 202010748202A CN 111852249 B CN111852249 B CN 111852249B
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- 238000004590 computer program Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
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- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F17/004—Special devices for shifting a plurality of wings operated simultaneously for wings which abut when closed
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/42—Sliding wings; Details of frames with respect to guiding
- E06B3/46—Horizontally-sliding wings
- E06B3/4636—Horizontally-sliding wings for doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
- E05F2017/005—Special devices for shifting a plurality of wings operated simultaneously for sliding wings
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/40—Application of doors, windows, wings or fittings thereof for gates
- E05Y2900/404—Application of doors, windows, wings or fittings thereof for gates for railway platform gates
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The invention relates to the field of high-speed railways/intercity railway platform screen doors, in particular to a control method of front and back staggered high-speed railway platform doors, which comprises the following steps: step one, acquiring the distribution position of a vehicle door of a current stop train; calculating the next state of each movable door unit group according to the relative relation between the vehicle door distribution position and the current movable door distribution position; the different states correspond to the closing of the door by the unit group or the different opening positions of the door by the unit group; and step three, controlling each movable door unit group to reach the next state. According to the control method, each movable door unit group is controlled to reach an expected state according to the relative position relationship between the distribution position information of the train doors of the incoming train and the distribution of the movable doors of the current platform door, and the self-adaptive requirements of the platform doors at different parking positions of different train types of high-speed trains are met.
Description
Technical Field
The invention belongs to the field of high-speed railways/intercity railway platform screen doors, and particularly relates to a front-back staggered high-speed railway platform door control method.
Background
The platform screen door system is a continuous screen which is arranged at the edge of a platform, isolates a passenger waiting area from a train running area, corresponds to a train door, and can open and close a sliding door in a multi-stage control mode, and generally has the characteristics of full height, half height, sealing and non-sealing, and is called a screen door or a platform door for short. When the train arrives and departs, the shielding door can be automatically opened and closed, the driving space and the passenger waiting space are mechanically isolated, and a safe and comfortable waiting environment is created for the passengers. Due to a plurality of factors such as a plurality of types of high-speed train vehicles, different vehicle door arrangement positions of different vehicle types and the like, the platform door at the conventional fixed door opening position is difficult to adapt to the requirements of different vehicle types of high-speed trains.
In the prior art, for example, chinese patent publication No. CN104176067A entitled "platform safety door adapted to all train models" discloses a platform safety door structure, in which two sets of sliding door assemblies are installed on the same column in a staggered manner two by two, and the door structure includes a left sliding door and a right sliding door with opposite sliding directions, and after a train arrives at a station and stops stably, the left sliding door of the door structure slides and then overlaps with the right sliding door of the door structure adjacent to the left; after the right sliding door of the door body structure slides, the right sliding door of the door body structure is overlapped with the left sliding door of the adjacent door body structure on the right, so that the parking door structure is suitable for parking door positions of different vehicle types. However, in this technical solution, since the stroke of the left/right sliding is fixed, and each sliding door only moves in one direction to achieve the door opening action, the adaptability of this method to vehicle types still has limitations in practice, and the door opening position cannot be adjusted according to different vehicle types, for example, when the train stops at a position where the doors of the train are just located in the overlapping area of the left/right sliding doors, the alignment door opening cannot be achieved by this solution.
Disclosure of Invention
In order to solve the technical problem, the invention provides a front-rear staggered high-speed rail platform door control method, aiming at meeting the requirements of different parking positions of different vehicle types of high-speed rails.
The invention is realized by adopting the following technical scheme:
a control method for a front-rear staggered high-speed rail platform door comprises a plurality of movable door unit groups which are continuously distributed along the platform direction, wherein each movable door unit group comprises a first movable door, a second movable door, a third movable door and a fourth movable door which are sequentially arranged in a closed state; the first movable door and the third movable door are arranged in the first row, and the second movable door and the fourth movable door are arranged in the second row; the first movable door and the fourth movable door are configured to be capable of moving 1 or 2 movable door widths to the central position of the movable door unit group where the first movable door and the fourth movable door are located; the second and third movable doors are configured to be movable to the left or right thereof by 1 movable door width;
the method comprises the following steps:
step one, acquiring the distribution position of a vehicle door of a current stop train;
calculating the next state of each movable door unit group according to the relative relation between the vehicle door distribution position and the current movable door distribution position; the different states correspond to the closing of the door by the unit group or the different opening positions of the door by the unit group;
and step three, controlling each movable door unit group to reach the next state.
Further, in the second step, the state is selected from any one of door closing, left opening, middle opening, right opening, left adjacent opening and right adjacent opening.
Further, in the second step, the movable door unit group is sequentially coded, and the 6 states are classified and coded; in step three, each set of movable gate units is controlled to reach its next state by the sequential encoding + the classification encoding.
Furthermore, in the second step, the left opening, the middle opening and the right opening correspond to the widths of two adjacent movable doors in one movable door unit group; the left adjacent opening and the right adjacent opening correspond to the widths of two adjacent movable doors of two adjacent movable door unit groups together.
Further, in the third step, the first movable door moves 2 positions rightwards to be overlapped with the second movable door moving 1 position rightwards, and the third movable door moves 1 position rightwards to be overlapped with the fourth movable door to form a left opening;
the second movable door moves 1 position leftwards to be overlapped with the first movable door, and the third movable door moves 1 position rightwards to be overlapped with the fourth movable door to form a middle opening;
the second movable door moves 1 position to the left and is overlapped with the first movable door, and the third movable door moves 1 position to the left and is overlapped with the fourth movable door moving 2 positions to the left to form a right opening;
the first movable door moves rightwards for 1 position and is overlapped with the second movable door to form left adjacency;
the fourth movable door moves 1 position to the left to be overlapped with the third movable door to form a right adjacency.
Further, in the first step, the distribution position of the vehicle door is obtained according to the position of the head of the current stop train and the information of the type of the current train; the vehicle type information comprises the number of the doors of the train, the opening degree of the doors and the relative position of each door and the train head.
Further, the position of the train head is obtained from a radar arranged at a platform door end door, and the radar is used for measuring the distance from the train head to the radar.
Optionally, obtaining the model information of the current train from the train operation diagram information; or,
and establishing a train number-train type database, and searching the train type information of the current train from the train number-train type database by identifying the train number.
Further, the relative relationship between the vehicle door distribution position and the current movable door distribution position is the relative position relationship between each vehicle door center line and the adjacent movable door center line.
The front and rear staggered high-speed rail platform door serving as a control object of the control method comprises a plurality of movable door unit groups continuously arranged along the platform direction, wherein each movable door unit group comprises a first movable door, a second movable door, a third movable door and a fourth movable door which are sequentially arranged in a closed state;
the first movable door and the third movable door are arranged in the first row, and the second movable door and the fourth movable door are arranged in the second row;
the driving devices of the first movable door and the third movable door are arranged at the bottom of the first row and staggered up and down, and the driving devices of the second movable door and the fourth movable door are arranged at the bottom of the second row and staggered up and down;
the first movable door and the fourth movable door are configured to be capable of moving 1 or 2 movable door widths towards the central position of the movable door unit group where the first movable door and the fourth movable door are located under the driving of the driving mechanism;
the second and third movable doors are configured to be movable by 1 movable door width to the left or right side thereof by the driving of the driving means thereof.
Further, the bottom space is located below the platform floor.
Furthermore, a first slit is formed in the platform ground layer below the first row of movable doors, and a second slit is formed in the platform ground layer below the second row of movable doors;
the lower parts of the movable door bodies are provided with guide plates, and the tail ends of the guide plates are provided with guide sliding blocks;
the first and third movable doors extend to the bottom space through the first slit; the bottom space is also provided with a first guide rail matched with the movable door guide sliding block;
the second and fourth movable doors extend to the bottom space through the second slit; the bottom space is also provided with a second guide rail matched with the guide sliding block of the movable door.
Furthermore, the tail end of the guide plate is a bent part, and the guide sliding block is positioned at the bent part; the bending part of the movable door in the platform side row bends towards the platform side, and the bending part of the movable door in the track side row bends towards the track side.
Furthermore, the guide slide block is a slide block with an upper part concave, the guide rail is a guide rail with a lower part convex, and the upper end of the guide rail is fixed on the bottom surface of the platform ground layer.
Further, the bottom space includes a platform-side space and a track-side space; the driving device of the movable door in the row at the platform side is arranged at one side of the space at the platform side close to the track, and the driving device is connected with the tail end of the bending part of the guide plate.
Furthermore, the driving device of the movable door in the row at the track side is arranged at one side of the track side space close to the track, and the driving device is connected with the tail end of the vertical section of the guide plate.
Furthermore, each movable door adopts an independent driving device; the driving device is arranged at the bottom of the movable door and comprises a driving motor, a driving gear driven by the driving motor, a synchronous belt connected with the driving gear and a driven wheel connected with the synchronous belt.
Further, the bottom space is constructed by embedding a steel structure.
Furthermore, guide wheels capable of rolling along the ground are arranged at two ends of the guide plate at the lower part of the movable door body.
Compared with the prior art, the invention has the beneficial effects that:
1. the high-speed railway platform door adopts the design of front and rear staggered movable door bodies, each 4 frame movable door is a movable door unit group, each frame movable door in each movable door unit group can realize the movement of 3 different positions, and the door can be opened at any position in the unit group; the platform door control method provided by the invention controls each movable door unit group to reach an expected state according to the relative position relationship between the distribution position information of the doors of the incoming train and the distribution of the movable doors of the current platform door, thereby meeting the self-adaptive requirements of the platform doors at different parking positions of different types of high-speed trains.
2. The platform door control method carries out sequencing coding on the movable door unit group with each 4 movable doors as a group, and simultaneously carries out type coding on 6 states of each movable door unit group, namely, a plurality of platform door states can be formed through the coding combination of the door group serial number and the door group state, and the real-time and efficient control of the whole platform door is realized.
3. The platform door control method adopts the way that the width of each 2 movable doors corresponds to one platform opening door, and the single movable door unit group forms 6 states, thereby not only ensuring the opening degree of one opening point, but also having moderate state quantity of each movable door unit group and improving the control efficiency of the whole platform door.
4. The platform door control method of the invention obtains the position of the train head from the radar arranged at the end door of the platform door, and simultaneously obtains the information of the train type containing the distribution of train doors through the train running chart and/or the identification train number. The end door radar can acquire an accurate train stopping reference position, and the position of each train door can be accurately calculated through train type information; the train running chart and the train number identification acquire the train type information at the same time, a redundant design is provided, and the problem that the failure of acquiring the train type information in a single mode causes the fault of an integral control system is avoided.
Drawings
The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a front view of a movable door unit of the present invention in a closed state;
FIG. 2 is a perspective view of two adjacent sliding door units according to the present invention in a closed state;
FIG. 3 is a flowchart of a method for controlling a station door of a high-speed rail according to the present invention.
FIG. 4 is a schematic view of a closed door state of a movable door unit set according to the present invention;
FIG. 5 is a schematic view of a movable door unit set in a left-open state according to the present invention;
FIG. 6 is a schematic diagram of a movable door unit set in a right-open state according to the present invention;
FIG. 7 is a schematic view of an opened state of a movable door unit of the present invention;
FIG. 8 is a diagram illustrating the overall station door control status according to the present invention.
The labels in the figure are: 100-movable door unit group, 101-first movable door, 102-second movable door, 103-third movable door, 104-fourth movable door, 201-first movable door driving device, 202-second movable door driving device, 203-third movable door driving device and 204-fourth movable door driving device.
Detailed Description
Example 1
The method is shown in fig. 3 and comprises the following steps:
step one, acquiring the distribution position of a vehicle door of a current stop train;
calculating the next state of each movable door unit group according to the relative relation between the vehicle door distribution position and the current movable door distribution position; the different states correspond to the closing of the door by the unit group or the different opening positions of the door by the unit group;
and step three, controlling each movable door unit group to reach the next state.
Those skilled in the art will appreciate that the present method may be used with single door bodies and/or multiple door bodies, depending on the width of each door body, for a single platform door. Considering the factors of stability and control complexity of the door body, the width of the two door bodies is preferably corresponding to that of one platform door.
In the second step, the state is selected from any one of 6 states including door closing, left opening, middle opening, right opening, left adjacent opening and right adjacent opening.
In the second step, the movable door unit group 100 is sequentially coded, and 6 states are classified and coded; in step three, each set of movable gate units is controlled to reach its next state by the sequential encoding + the classification encoding. Fig. 4 is a schematic view of a closed state of the movable door unit group 100, and fig. 5 to 7 are schematic views of left-open, right-open and middle-open states of the movable door unit group 100, respectively.
In the second step, the left opening, the middle opening and the right opening correspond to the widths of two adjacent movable doors in one movable door unit group; the left adjacent opening and the right adjacent opening correspond to the widths of two adjacent movable doors of two adjacent movable door unit groups together.
In the third step, the first movable door 101 moves 2 positions to the right and is overlapped with the second movable door 102 moving 1 position to the right, and the third movable door 103 moves 1 position to the right and is overlapped with the fourth movable door 104 to form a left opening;
the second movable door 102 moves 1 position to the left to be overlapped with the first movable door 101, and the third movable door 103 moves 1 position to the right to be overlapped with the fourth movable door 104 to form a middle opening;
the second movable door 102 moves 1 position to the left to be overlapped with the first movable door 101, and the third movable door 103 moves 1 position to the left to be overlapped with the fourth movable door 104 moving 2 positions to the left to form a right opening;
the first movable door 101 moves 1 position to the right and is overlapped with the second movable door 102 to form a left adjacency;
the fourth movable door 104 is moved 1 position to the left to overlap with the third movable door 103 to form a right adjacency. The left and right adjacent of the adjacent movable door unit groups 100 form a platform door.
Referring to fig. 8, all the movable door unit sets 100 of the platform door are ordered 1,2, 3.. and n, each movable door unit set 100 has 6 states including a closed door state, 6 entire platform doors can form 6 n power states in total, and the 6 states can be distinguished by serial numbers of 1 to 6, for example, the closed door, the left open door, the middle open door, the right open door, the left adjacent open door and the right adjacent open door respectively correspond to numbers of 1 to 6.
As shown in fig. 8, when the door is at the position in the figure, the "2" group unit is controlled to perform the open state (3), the "4" group unit is controlled to perform the left open state (2), and the "n-1" group unit is controlled to perform the right open state (4). Namely, the state codes of the corresponding platform doors of the current train are' 1(1), 2 (3); 3, (1), 4, (2); …, respectively; n-1(4), n (1); ". By the method, the door opening states of different vehicle types can be coded and controlled, for example:
coming vehicle A: 1(2), 2 (1); 3, (1), 4, (2); …, respectively; n-1(1), n (2);
b, coming vehicle B: 1, (1), 2, (3); 3(1), 4 (1); …, respectively; n-1(3), n (1);
the coming vehicle C comprises 1(1), 2 (1); 3, (6), 4, (5); …, respectively; n-1(6), n (5).
Acquiring the distribution position of the train door according to the train head position of the current stop train and the train type information of the current train; the vehicle type information comprises the number of the doors of the train, the opening degree of the doors and the relative position of each door and the train head.
And acquiring the position of the train head from a radar arranged at the end door of the platform door, wherein the radar is used for measuring the distance from the train head to the radar.
Optionally, obtaining the model information of the current train from the train operation diagram information; or,
and establishing a train number-train type database, and searching the train type information of the current train from the train number-train type database by identifying the train number.
The relative relationship between the vehicle door distribution position and the current movable door distribution position is the relative position relationship between the center line of each vehicle door and the center line of the adjacent movable door.
In summary, after reading the present disclosure, those skilled in the art should make various other modifications without creative efforts according to the technical solutions and concepts of the present disclosure, which are within the protection scope of the present disclosure.
Claims (10)
1. A control method for front and back staggered high-speed rail platform doors is characterized by comprising the following steps:
the platform door comprises a plurality of movable door unit groups which are continuously arranged along the platform direction, and each movable door unit group comprises a first movable door, a second movable door, a third movable door and a fourth movable door which are sequentially arranged in a closed state; the first movable door and the third movable door are arranged in the first row, and the second movable door and the fourth movable door are arranged in the second row; the first movable door and the fourth movable door are both configured to be capable of moving 1 or 2 movable door widths to the central position of the movable door unit group where the first movable door and the fourth movable door are located; the second movable door and the third movable door are both configured to be movable to the left or right side thereof by 1 movable door width; each movable door in each movable door unit group can realize the movement of 3 different positions;
the method comprises the following steps:
step one, acquiring the distribution position of a vehicle door of a current stop train;
calculating the next state of each movable door unit group according to the relative relation between the vehicle door distribution position and the current movable door distribution position; the different states correspond to the closing of the door by the unit group or the different opening positions of the door by the unit group;
and step three, controlling each movable door unit group to reach the next state.
2. The method of claim 1, wherein: in the second step, the state is selected from any one of door closing, left opening, middle opening, right opening, left adjacent opening and right adjacent opening.
3. The method of claim 2, wherein: in the second step, the movable door unit group is sequentially coded, and 6 states are classified and coded; in step three, each set of movable gate units is controlled to reach its next state by the sequential encoding + the classification encoding.
4. The method of claim 2, wherein: in the second step, the left opening, the middle opening and the right opening correspond to the widths of two adjacent movable doors in one movable door unit group; the left adjacent opening and the right adjacent opening correspond to the widths of two adjacent movable doors of two adjacent movable door unit groups together.
5. The method of claim 4, wherein: in the third step, the first movable door moves 2 positions rightwards and is overlapped with the second movable door moving 1 position rightwards, and the third movable door moves 1 position rightwards and is overlapped with the fourth movable door to form a left opening;
the second movable door moves 1 position leftwards to be overlapped with the first movable door, and the third movable door moves 1 position rightwards to be overlapped with the fourth movable door to form a middle opening;
the second movable door moves 1 position to the left and is overlapped with the first movable door, and the third movable door moves 1 position to the left and is overlapped with the fourth movable door moving 2 positions to the left to form a right opening;
the first movable door moves rightwards for 1 position and is overlapped with the second movable door to form left adjacency;
the fourth movable door moves 1 position to the left to be overlapped with the third movable door to form a right adjacency.
6. The method of claim 1, wherein: acquiring the distribution position of the train door according to the train head position of the current stop train and the train type information of the current train; the vehicle type information comprises the number of the doors of the train, the opening degree of the doors and the relative position of each door and the train head.
7. The method of claim 6, wherein: and acquiring the position of the train head from a radar arranged at the end door of the platform door, wherein the radar is used for measuring the distance from the train head to the radar.
8. The method of claim 6, wherein: acquiring the model information of the current train from the train running chart information; and/or the presence of a gas in the gas,
and establishing a train number-train type database, and searching the train type information of the current train from the train number-train type database by identifying the train number.
9. The method of claim 1, wherein: the relative relationship between the vehicle door distribution position and the current movable door distribution position is the relative position relationship between the center line of each vehicle door and the center line of the adjacent movable door.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the control method according to any of claims 1 to 9 when executing the program.
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| CN202010748202.XA CN111852249B (en) | 2020-07-30 | 2020-07-30 | Front-back staggered high-speed rail platform door control method |
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| EP4286235A1 (en) * | 2022-06-03 | 2023-12-06 | Masats, S.A. | Platform door, system comprising the platform door and method of actuating the platform door |
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| CN113291325A (en) * | 2021-07-28 | 2021-08-24 | 深圳市永达电子信息股份有限公司 | Monitoring method and device for rail transit safety door and storage medium |
| CN113602296A (en) * | 2021-09-18 | 2021-11-05 | 方大智创科技有限公司 | Platform sliding door system |
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| CN114506364A (en) * | 2022-01-12 | 2022-05-17 | 中车唐山机车车辆有限公司 | Control system and method of platform screen door and platform screen door linkage control system |
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| CN115071764B (en) * | 2022-05-27 | 2024-06-21 | 成都唐源智控技术有限责任公司 | Layout method of multi-vehicle type self-adaptive modularized high-speed rail platform door |
| CN114735030B (en) * | 2022-06-13 | 2022-10-28 | 深圳市永达电子信息股份有限公司 | High-speed rail multi-vehicle type safety door positioning device, alignment method and system |
| CN117868635A (en) * | 2024-03-11 | 2024-04-12 | 成都唐源电气股份有限公司 | Full-movable self-adaptive platform door system based on modularization and intelligent door opening strategy |
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| CN1454803A (en) * | 2002-04-29 | 2003-11-12 | 孙国立 | Intelligent safety guardrail for platform |
| JP4353683B2 (en) * | 2002-07-31 | 2009-10-28 | 株式会社日立製作所 | Platform door control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4286235A1 (en) * | 2022-06-03 | 2023-12-06 | Masats, S.A. | Platform door, system comprising the platform door and method of actuating the platform door |
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Effective date of registration: 20211122 Address after: 610000, No. two, section 11, North Ring Road, Chengdu, Sichuan Patentee after: China Railway Chengdu Bureau Group Co.,Ltd. Patentee after: Chengdu Tangyuan Electric Co., Ltd Address before: 610072 a1-1-9, xixixizhigu, 355 wuxingwu Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: CHENGDU TANGYUAN ELECTRIC Co.,Ltd. |