Rail transit vehicle door collision detection device

By introducing pressure sensors and cameras into the design of rail transit vehicle doors, the problem of the lack of collision detection in traditional doors has been solved, enabling real-time monitoring and preventive measures to ensure the safety and normal operation of the doors.

CN223910466UActive Publication Date: 2026-02-13NANJING YUQI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520666742.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-02-13
Estimated Expiration
2035-04-10

AI Technical Summary

Technical Problem

Traditional rail transit doors lack collision detection capabilities, which may lead to door damage, mechanical component damage, train operation disruptions, and even passenger injuries.

Method used

The system incorporates pressure sensors, alarms, and cameras to enable collision detection of vehicle doors. It monitors in real time and issues alarms or reverses the door opening mechanism. The camera provides image feedback to assist the control system in taking preventative measures.

Benefits of technology

This effectively prevents pinching accidents, ensures passenger safety, guarantees the normal operation of the doors, and improves the stability and safety of the doors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a rail transit vehicle door collision detection device which comprises two supporting frames, and fixing frames are fixedly installed on the two sides of the opposite sides of the two supporting frames. Through the design of the pressure sensor, the alarm and the camera, the rail transit vehicle door has a collision detection function during use, when the vehicle door is opened or closed, the pressure sensor can detect abnormal resistance or pressure changes, and if an object or a passenger is clamped, an alarm can be given out in time through the alarm; the vehicle door is automatically stopped or reversely opened, the occurrence of pinching accidents is avoided, the safety of passengers can be effectively guaranteed through a real-time monitoring and reaction mechanism, the situation around a door crack can be monitored in real time by installing the camera, and if a person or an obstacle approaches the vehicle door, the camera can provide image or video feedback, so that the safety of passengers is improved. A train control system is helped to judge whether door opening needs to be stopped or other prevention measures need to be taken.
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Description

TECHNICAL FIELD

[0001] The utility model relates to rail transit door technical field, and specifically, relate to a rail transit door collision detection device. BACKGROUND

[0002] Rail transit door is a very important part in urban rail transit system, and the main function is to provide the passage for passengers to enter and exit the car, and ensure the sealing of the car, the safety of passengers and the normal operation of the train, and the rail transit door not only meets the daily opening and closing demand, but also needs to maintain stability and safety in the environment of high frequency use.

[0003] The traditional rail transit door does not have a collision detection function, and in the absence of collision detection function, the door may collide with the obstacles on the platform, which may cause the appearance of the door to be damaged, the internal mechanical parts to be damaged, and even cause the door to be unable to normally open or close, affect the normal operation of the train, and the door without collision detection function may collide with the passengers on the platform when opening or closing the door, especially in the peak period or in the case of crowded platform, which may cause the passengers to be pinched, pushed down or injured.

[0004] Therefore, we improve it and propose a rail transit door collision detection device. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at: the traditional rail transit door does not have a collision detection function, and in the absence of collision detection function, the door may collide with the obstacles on the platform, which may cause the appearance of the door to be damaged, the internal mechanical parts to be damaged, and even cause the door to be unable to normally open or close, affect the normal operation of the train, and the door without collision detection function may collide with the passengers on the platform when opening or closing the door, especially in the peak period or in the case of crowded platform, which may cause the passengers to be pinched, pushed down or injured.

[0006] In order to realize the above-mentioned invention purpose, the utility model provides the following technical scheme:

[0007] The rail transit door collision detection device is to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] The utility model provides a kind of rail transit door collision detection device, including support frame, the quantity of the support frame is set to two, two support frames are fixedly installed with fixed frame on two sides of opposite side, the top of one of the support frame is fixedly installed with protective shell, the top of the protective shell is fixedly installed with moving assembly, the bottom of the moving assembly is fixedly installed with car door body on two sides, two car door bodies are respectively slidably connected in the inner cavity of two fixed frames, two car door bodies are provided with two pressure sensors on opposite side, the front side of the fixed frame is provided with multiple alarm, the top of the front side of the fixed frame is fixedly installed with mounting assembly, the front side of the mounting assembly is movably connected with connecting frame, two recesses are set in the inner cavity of the connecting frame on two sides, the front side of the connecting frame is provided with camera.

[0010] Through the design of pressure sensor, alarm and camera, the rail transit door has collision detection function when using, when the door is opened or closed, the pressure sensor can detect abnormal resistance or pressure change, if object or passenger is clamped, can timely send alarm through alarm, automatically stops or reversely opens door, avoids the occurrence of clamping accident, this real-time monitoring and reaction mechanism can effectively guarantee the safety of passenger, through the installation of camera, door can monitor the situation around door gap in real time, if someone or obstacle approaches door, camera can provide image or video feedback, help train control system judge whether it should stop opening door or take other preventive measures.

[0011] As a preferred embodiment of the rail transit door collision detection device provided by the utility model, the moving assembly includes motor, the motor is fixedly installed on the top of the protective shell, the output end of the motor is fixedly installed with rotating gear, the front side and the back side of the rotating gear are engaged with toothed plate, the opposite side of two toothed plates is fixedly installed with connecting block, the side of the connecting block close to the car door body is fixedly connected with the car door body.

[0012] As a preferred embodiment of the rail transit door collision detection device provided by the utility model, the surface of the motor is sleeved with limit plate, the side of the limit plate close to the protective shell is fixedly connected with the protective shell.

[0013] As a preferred embodiment of the rail transit door collision detection device provided by the utility model, the opposite side of two toothed plates is fixedly installed with sliding block, the sliding block is slidably connected in the inner cavity of the protective shell.

[0014] As a preferred embodiment of the rail transit vehicle door collision detection device provided by the utility model, the installation assembly comprises an outer shell, the outer shell is fixedly installed at the top of the front side of the fixed frame, a fixed plate is fixedly installed at the rear side of the inner cavity of the outer shell, a pull plate is arranged at the front side of the fixed plate, first fixing frames are fixedly installed at the top and the bottom of the pull plate, connecting plates are movably connected to the inner cavities of the first fixing frames through pivots, second fixing frames are movably connected to the sides, away from the first fixing frames, of the connecting plates through pivots, baffle plates are fixedly installed at the opposite sides of the two second fixing frames, two insertion rods are fixedly installed at the opposite sides of the two baffle plates, two first springs are fixedly installed at the opposite sides of the two baffle plates, a pull rod is fixedly installed at the front side of the pull plate, and the pull rod penetrates through the front side of the outer shell.

[0015] As a preferred embodiment of the rail transit vehicle door collision detection device provided by the utility model, a supporting block is fixedly installed at one side of the baffle plate, a supporting rod is movably connected to the inner cavity of the supporting block, the top and the bottom of the supporting rod are fixedly installed in the inner cavity of the outer shell, a second spring is arranged on the surface of the supporting rod, and the top and the bottom of the second spring are fixedly connected with the two supporting blocks respectively.

[0016] As a preferred embodiment of the rail transit vehicle door collision detection device provided by the utility model, a limiting block is fixedly installed at the rear side of the pull plate, a limiting shell is arranged on the surface of the limiting block, and the side, close to the fixed plate, of the limiting shell is fixedly connected with the fixed plate.

[0017] As a preferred embodiment of the rail transit vehicle door collision detection device provided by the utility model, a sliding block is fixedly installed at one side of the bottom of the vehicle door body, and the sliding block is movably connected in the inner cavity of the other supporting frame.

[0018] Compared with the prior art, the utility model has the advantages of:

[0019] Through the design of the pressure sensor, the alarm and the camera, the rail transit vehicle door has the collision detection function when in use, the pressure sensor can detect abnormal resistance or pressure change when the door is opened or closed, if an object or a passenger is clamped, the alarm can timely send an alarm, the door is automatically stopped or reversely opened, and the clamping accident is avoided, the real-time monitoring and reaction mechanism can effectively guarantee the safety of passengers, through the installation of the camera, the door can monitor the situation around the door gap in real time, if a person or an obstacle approaches the door, the camera can provide image or video feedback, and the train control system can judge whether the door should be stopped or other preventive measures should be taken. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1The structure schematic diagram of the rail transit vehicle door collision detection device provided in the application is shown in the figure.

[0021] Figure 2 The structure front view schematic diagram of the rail transit vehicle door collision detection device provided in the application is shown in the figure.

[0022] Figure 3 The structure camera side view schematic diagram of the rail transit vehicle door collision detection device provided in the application is shown in the figure.

[0023] Figure 4 The moving assembly front view schematic diagram of the rail transit vehicle door collision detection device provided in the application is shown in the figure.

[0024] Figure 5 The installation assembly front view schematic diagram of the rail transit vehicle door collision detection device provided in the application is shown in the figure.

[0025] The figure shows:

[0026] 1, support frame; 2, fixed frame; 3, protective shell; 4, moving assembly; 401, motor; 402, rotating gear; 403, toothed plate; 404, connecting block; 405, limiting plate; 406, sliding block; 5, vehicle door body; 6, pressure sensor; 7, alarm; 8, installation assembly; 801, shell; 802, fixed plate; 803, pull plate; 804, first fixed frame; 805, connecting plate; 806, second fixed frame; 807, baffle; 808, insertion rod; 809, first spring; 810, pull rod; 811, support block; 812, support rod; 813, second spring; 814, limiting block; 815, limiting shell; 9, connecting frame; 10, groove; 11, camera; 12, sliding block. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0028] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed present application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] It should be noted that the embodiments in the present application and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0030] It should be noted that like reference numerals and characters refer to like elements throughout the several views of the drawings, and that, unless otherwise indicated, like reference numerals and characters refer to like elements throughout the several views of the drawings and through the first and subsequent occurrences of such reference numerals and characters in the claims and specification thereof.

[0031] In the description of the present application, it should be noted that the terms "upper", "lower" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product is used, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0032] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings.

[0033] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0034] It should be noted that like reference numerals and characters refer to like elements throughout the several views of the drawings, and that, unless otherwise indicated, like reference numerals and characters refer to like elements throughout the several views of the drawings and through the first and subsequent occurrences of such reference numerals and characters in the claims and specification thereof.

[0035] Example 1

[0036] Reference should be made to Figures 1-5A rail transit door collision detection device, comprising a support frame 1, the number of support frames 1 is two, two support frames 1 are fixedly installed on both sides of the opposite side, one of the support frames 1 is fixedly installed on the top of the protection shell 3, the protection shell 3 is fixedly installed on the top of the moving assembly 4, the moving assembly 4 is fixedly installed on both sides of the bottom of the door body 5, two door bodies 5 are respectively connected in the cavity of two fixed frames 2, two door bodies 5 are provided with two pressure sensors 6 on the opposite side, a plurality of alarms 7 are arranged on the front side of the fixed frame 2, the mounting assembly 8 is fixedly installed on the top of the front side of the fixed frame 2, the connecting frame 9 is movably connected to the front side of the mounting assembly 8, two grooves 10 are formed on both sides of the inner cavity of the connecting frame 9, and the camera 11 is arranged on the front side of the connecting frame 9. The moving assembly 4 comprises a motor 401, the motor 401 is fixedly installed on the top of the protection shell 3, the output end of the motor 401 is fixedly installed with a rotating gear 402, the front side and the rear side of the rotating gear 402 are engaged with a toothed plate 403, the opposite side of the two toothed plates 403 is fixedly installed with a connecting block 404, and the side of the connecting block 404 close to the door body 5 is fixedly connected with the door body 5. The surface of the motor 401 is sleeved with a limiting plate 405, and the side of the limiting plate 405 close to the protection shell 3 is fixedly connected with the protection shell 3. The opposite side of the two toothed plates 403 is fixedly installed with a sliding block 406, and the sliding block 406 is slidably connected in the cavity of the protection shell 3. One side of the sliding block 12 fixedly installed on the bottom of the door body 5 is slidably connected in the cavity of the other support frame 1.

[0037] During implementation, when the door body 5 needs to be opened, the motor 401 is started, the motor 401 drives the rotating gear 402 to rotate, the rotating gear 402 drives the two toothed plates 403 to move in opposite directions when rotating, the toothed plates 403 drive the connecting blocks 404 to move when moving, the connecting blocks 404 drive the door body 5 to move when moving, and the two door bodies 5 move in opposite directions to open the two door bodies 5. When closing, reverse operation can be performed. When the door is opened or closed, the pressure sensor 6 can detect abnormal resistance or pressure change. If an object or passenger is clamped, an alarm can be issued in time through the alarm 7, the door is automatically stopped or opened in reverse, and the occurrence of clamping accidents is avoided. This real-time monitoring and reaction mechanism can effectively guarantee the safety of passengers. Through the installation of the camera 11, the door can monitor the situation around the door gap in real time. If someone or an obstacle approaches the door, the camera 11 can provide image or video feedback to help the train control system determine whether the door should be stopped or other preventive measures should be taken.

[0038] Example 2

[0039] The mounting assembly 8 comprises a shell 801 fixedly installed at the top of the front side of the fixed frame 2, a fixed plate 802 fixedly installed at the rear side of the inner cavity of the shell 801, a pull plate 803 arranged at the front side of the fixed plate 802, a first fixing frame 804 fixedly installed at the top and the bottom of the pull plate 803, a connecting plate 805 movably connected with the inner cavity of the first fixing frame 804 through a rotating shaft, a second fixing frame 806 movably connected with the side, away from the first fixing frame 804, of the connecting plate 805 through a rotating shaft, a baffle 807 fixedly installed at the opposite side of the two second fixing frames 806, two inserting rods 808 fixedly installed at the opposite sides of the two baffles 807, two first springs 809 fixedly installed at the opposite sides of the two baffles 807, a pull rod 810 fixedly installed at the front side of the pull plate 803 and penetrating through to the front side of the shell 801. A supporting block 811 is fixedly installed at one side of the baffle 807, a supporting rod 812 is slidably connected with the inner cavity of the supporting block 811, the top and the bottom of the supporting rod 812 are fixedly installed in the inner cavity of the shell 801, a second spring 813 is arranged on the surface of the supporting rod 812, and the top and the bottom of the second spring 813 are fixedly connected with the two supporting blocks 811 respectively. A limiting block 814 is fixedly installed at the rear side of the pull plate 803, a limiting shell 815 is arranged on the surface of the limiting block 814, and the side, close to the fixed plate 802, of the limiting shell 815 is fixedly connected with the fixed plate 802.

[0040] During implementation, when it is necessary to mount the camera 11, the pull rod 810 is pulled, the pull rod 810 drives the pull plate 803 to move when being pulled, the pull plate 803 drives the first fixing frame 804 to move when moving, the first fixing frame 804 drives the two baffles 807 to relatively move through the connecting plate 805 and the second fixing frame 806 when moving, the baffle 807 drives the inserting rod 808 to move and compresses the first spring 809 when moving, the baffle 807 also compresses the second spring 813 through the supporting block 811 when moving, the inserting rod 808 is moved to the inside of the shell 801, then the camera 11 and the connecting frame 9 are mounted to the outer surface of the shell 801, the pull rod 810 is loosened, the baffle 807 and the inserting rod 808 are driven to move back to the original position through the rebound of the first spring 809 and the second spring 813, the inserting rod 808 is put into the groove 10 on the connecting frame 9, the connecting frame 9 is fixed, the camera 11 is fixedly connected with the connecting frame 9, and thus the camera 11 is fixed, so as to quickly mount the connecting frame 9 and the camera 11 on the shell 801, when it is necessary to dismount the camera 11, the reverse operation is performed, and thus the camera 11 can be quickly mounted and dismounted, and it is more convenient to maintain or replace the camera 11.

[0041] The above examples are only used to illustrate the technical solutions described in the utility model and do not limit the utility model. Although the utility model has been described in detail with reference to the above-described various embodiments, the utility model is not limited to the above-described specific embodiments, and therefore any modification or equivalent replacement of the utility model; and all technical solutions and improvements that do not deviate from the spirit and scope of the invention are all included in the scope of the claims of the utility model.

Claims

1. A rail transit vehicle door collision detection device comprising a support frame (1), characterized in that, The number of the support frame (1) is two, two support frames (1) are fixedly installed on both sides of the two sides of the fixed frame (2), one of the support frame (1) is fixedly installed on the top of the protection shell (3), the top of the protection shell (3) is fixedly installed with the moving assembly (4), the bottom of the moving assembly (4) is fixedly installed with the door body (5), two door bodies (5) are respectively connected in the cavity of the two fixed frames (2), the opposite side of the two door bodies (5) is provided with two pressure sensors (6), the front side of the fixed frame (2) is provided with a plurality of alarms (7), the top of the front side of the fixed frame (2) is fixedly installed with the mounting assembly (8), the front side of the mounting assembly (8) is movably connected with the connecting frame (9), the two sides of the inner cavity of the connecting frame (9) are provided with two grooves (10), and the front side of the connecting frame (9) is provided with a camera (11).

2. The rail transit vehicle door collision detection device according to claim 1, wherein The moving assembly (4) comprises a motor (401), the motor (401) is fixedly installed on the top of the protection shell (3), the output end of the motor (401) is fixedly installed with a rotating gear (402), the front side and the rear side of the rotating gear (402) are engaged with a toothed plate (403), the opposite side of the two toothed plates (403) is fixedly installed with a connecting block (404), and the side of the connecting block (404) close to the door body (5) is fixedly connected with the door body (5).

3. The rail transit vehicle door collision detection device of claim 2, wherein, The surface of the motor (401) is sleeved with a limiting plate (405), and the side of the limiting plate (405) close to the protection shell (3) is fixedly connected with the protection shell (3).

4. The rail transit vehicle door collision detection device of claim 2, wherein, The opposite side of the two toothed plates (403) is fixedly installed with a sliding block (406), and the sliding block (406) is slidably connected in the inner cavity of the protection shell (3).

5. The rail transit vehicle door impact detection device of claim 1, wherein, The mounting assembly (8) comprises an outer shell (801), the outer shell (801) is fixedly installed on the top of the front side of the fixed frame (2), the rear side of the inner cavity of the outer shell (801) is fixedly installed with a fixed plate (802), the front side of the fixed plate (802) is provided with a pull plate (803), the top and bottom of the pull plate (803) are fixedly installed with a first fixed frame (804), the inner cavity of the first fixed frame (804) is movably connected with a connecting plate (805) through a rotating shaft, the side of the connecting plate (805) away from the first fixed frame (804) is movably connected with a second fixed frame (806) through a rotating shaft, the opposite side of the two second fixed frames (806) is fixedly installed with a baffle (807), the opposite side of the two baffles (807) is fixedly installed with two plug rods (808), the opposite side of the two baffles (807) is fixedly installed with two first springs (809), the front side of the pull plate (803) is fixedly installed with a pull rod (810), and the front side of the pull rod (810) penetrates to the front side of the outer shell (801).

6. The rail transit vehicle door collision detection device of claim 5, wherein, One side of the baffle (807) is fixedly installed with a supporting block (811), an inner cavity of the supporting block (811) is slidably connected with a supporting rod (812), the top and bottom of the supporting rod (812) are fixedly installed in the inner cavity of the shell (801), the surface of the supporting rod (812) is provided with a second spring (813), and the top and bottom of the second spring (813) are fixedly connected with the two supporting blocks (811) respectively.

7. The rail transit vehicle door impact detection device of claim 5, wherein, The rear side of the pull plate (803) is fixedly installed with a limiting block (814), the surface of the limiting block (814) is provided with a limiting shell (815), and the side close to the fixed plate (802) of the limiting shell (815) is fixedly connected with the fixed plate (802).

8. The rail transit vehicle door impact detection device of claim 1, wherein, One side of the bottom of the vehicle door body (5) is fixedly installed with a sliding block (12), and the sliding block (12) is slidably connected in the inner cavity of the other supporting frame (1).