Light signal prompting device for rail transit

Abstract

The utility model belongs to the technical field of rail traffic signal lamps, and discloses a rail traffic light signal prompting device which comprises a middle plate, a vertical plate is fixedly mounted at the top of the middle plate, a rail plate is fixedly mounted below the rear side of the vertical plate, and a rotary disc is rotatably mounted above the rear side of the vertical plate. A stepping motor with an output shaft fixedly connected with the rotary disc is fixedly installed on the front side of the vertical plate, a sliding block is installed in the track plate in a sliding mode, and a linkage rod is rotatably installed on the sliding block. A wireless transmitter is started to send a wireless signal to a wireless receiver and a master control room to inform maintenance personnel, the wireless receiver enables a second PLC circuit board to start a stepping motor to rotate by half a circle after receiving the signal, at the moment, a sliding block moves upwards, then a rack is driven to be meshed with a gear rod to rotate by 180 degrees, and then the maintenance personnel are started. And at the moment, the positions of the standby lamp and the main lamp are replaced, so that the standby lamp replaces the damaged main lamp to continue working.

Description

Technical Field

[0001] The present application belongs to the technical field of rail transit signal lights, and specifically relates to a light signal prompt device for rail transit. Background Art

[0002] A level crossing is a railway crossing where the road and the railway intersect at level ground without an elevated bridge or tunnel. At a manned crossing, the guards will stop vehicles and pedestrians and make them leave the track. At an unmanned crossing, when a train passes, there will be a signal light and an electronic barrier blocking the road to prevent vehicles and pedestrians from entering the railway.

[0003] For example, patent No. CN215954504U discloses a rail transit crossing warning high-beam signal light, comprising: a base, a support column, and a control box; the base is in the shape of a rectangular plate; the mounting hole is opened at the upper end of the base; the support column is arranged at the upper end of the base, and the support column and the base are connected by welding; the control box is arranged at the top of the support column, and the control box and the support column are connected by bolts; the signal light is arranged at the front end of the control box, and the signal light and the control box are connected by inlay; a convex lens is arranged at the front end of the signal light; the reflective bowl is arranged at the rear end of the convex lens, and the reflective bowl and the convex lens are connected by inlay; the light bulb is arranged at the rear end of the reflective bowl, and the light bulb and the reflective bowl are connected by inlay; the utility model has the advantages of reasonable structure and good light propagation, thereby effectively solving the problems and shortcomings of the utility model raised in the background technology.

[0004] In the process of implementing this application, it was found that the technology has the following problems: as a traffic safety product, the signal indication part of the signal light must ensure long-term stability. However, once a signal light failure occurs during long-term use, it requires manual detection to discover it. From the occurrence of this failure until the failure is eliminated, there will be serious safety hazards. Therefore, in order to solve this problem, it is necessary to optimize the design of the product and propose a light signal prompt device for rail transit. Utility Model Content

[0005] The purpose of the present application is to provide a light signal prompt device for rail transit in order to solve the above-mentioned problems.

[0006] The technical solution adopted in the present application is as follows: a light signal prompt device for rail transit, comprising a middle plate, a vertical plate fixedly installed on the top of the middle plate, a track plate fixedly installed on the lower rear side of the vertical plate, a turntable rotatably installed on the upper rear side of the vertical plate, a stepper motor whose output shaft is fixedly connected to the turntable is fixedly installed on the front side of the vertical plate, a slider is slidably installed inside the track plate, a linkage rod is rotatably installed on the slider, and the other end of the linkage rod is rotatably connected to the turntable.

[0007] A rack is fixedly installed on the left side of the slider, and a gear rod is meshed on the left side of the rack. The main light, backup light and main control board No. 1 are fixedly installed on the front top, bottom and front wall of the gear rod respectively, and main control board No. 2 is fixedly installed on the front wall of the vertical plate.

[0008] In a preferred embodiment, a support is fixedly mounted on the bottom of the middle plate, and the bottom enlarged portion of the support can be installed at the rail transit sign intersection by burying.

[0009] In a preferred embodiment, a slide groove matched with the slider is provided in the track plate, and the slider is slidably installed in the slide groove.

[0010] In a preferred embodiment, the front sides of the slider and the turntable are fixedly mounted with protruding rods, and the two protruding rods are respectively plugged and mounted on the two ends of the linkage rod.

[0011] In a preferred embodiment, the outer wall of the gear rod is connected to a fixing rod via a bearing, and the bottom of the fixing rod is fixedly connected to the middle plate.

[0012] In a preferred embodiment, the front wall of the No. 1 main control panel is provided with a current sensor, a No. 1 PLC circuit board and a wireless transmitter which are electrically connected in sequence from top to bottom. The current sensor is connected to the main light wire through wires, the wireless transmitter is adapted to the computer signal frequency band of the signal light main control room, and the No. 1 PLC circuit board is connected to the main light and backup light wires through wires.

[0013] In a preferred embodiment, the front wall of the No. 2 main control board is provided with a No. 2 PLC circuit board and a wireless receiver connected to each other by wires from top to bottom, the wireless receiver is adapted to the wireless signal of the wireless transmitter, and the No. 2 PLC circuit board is connected to the stepper motor wires by wires.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0015] 1. In the present application, through the present design, when the stepper motor is started, the turntable will be driven to rotate, and when the turntable rotates half a circle, the slider will be pulled upward through the linkage rod, and when the turntable continues to rotate half a circle and returns to the starting position, the slider moved to the top will be pushed downward by the turntable through the linkage rod and return to the starting position. Based on the above-described function that the stepper motor drives the turntable to control the upward and downward movement of the slider every half a circle, when the main lamp fails during use and cannot continue to light up, the current sensor connected to the main lamp wire will be induced by the current drop. At this time, the current sensor will send an electrical signal to the No. 1 PLC circuit board. At this time, the No. 1 PLC circuit board will first start the standby lamp to light up, and will also start the wireless transmitter to send a wireless signal to the wireless receiver and the main control room to notify the maintenance personnel. The wireless receiver After receiving the signal, the device will cause the No. 2 PLC circuit board to start the stepper motor to rotate half a circle. At this time, the slider will move upward, thereby driving the rack meshing gear rod to rotate 180°. At this time, the positions of the backup light and the main light will be replaced, so that the backup light can replace the damaged main light to continue working, so as to maintain the safety of the intersection. When the maintenance personnel repair the main light and it lights up normally, the current sensor will show that the current is normal, and then the backup light will be controlled to turn off through the No. 1 PLC circuit board. At the same time, the wireless signal will be sent to the wireless receiver through the wireless transmitter. The wireless receiver will receive the signal and control the stepper motor to rotate half a circle again through the No. 2 PLC circuit board, thereby causing the slider to drive the rack to move downward to its original position. Similarly, the backup light will now exchange positions with the repaired main light to keep the main light working. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of this application;

[0017] Figure 2 This is a schematic diagram of the rear view angle of the relevant structure on the middle plate in this application;

[0018] Figure 3 This is a schematic diagram of the front view of the relevant structure on the middle plate in this application.

[0019] Markings in the figure: 1-middle plate, 2-support, 3-vertical plate, 4-track plate, 5-turntable, 6-stepping motor, 7-slider, 8-linkage rod, 9-rack, 10-gear rod, 11-fixed rod, 12-main light, 13-backup light, 14-No. 1 main control board, 15-No. 2 main control board, 16-current sensor, 17-No. 1 PLC circuit board, 18-wireless transmitter, 19-wireless receiver, 20-No. 2 PLC circuit board. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0021] Reference Figure 1 , 2 A light signal prompt device for rail transit, comprising a middle plate 1, a support 2 is fixedly installed at the bottom of the middle plate 1, the bottom expanded part of the support 2 can be installed at the rail transit indication intersection by burying, a vertical plate 3 is fixedly installed on the top of the middle plate 1, a track plate 4 is fixedly installed at the lower rear side of the vertical plate 3, a turntable 5 is rotatably installed at the upper rear side of the vertical plate 3, a stepper motor 6 whose output shaft is fixedly connected to the turntable 5 is fixedly installed at the front side of the vertical plate 3, a slider 7 is slidably installed inside the track plate 4, a slide groove adapted to the slider 7 is opened in the track plate 4, the slider 7 is slidably installed in the slide groove, a linkage rod 8 is rotatably installed on the slider 7, and the other end of the linkage rod 8 is rotatably connected to the turntable 5, the front sides of the slider 7 and the turntable 5 are fixedly installed with convex rods, and the two convex rods are respectively plugged and installed at the two ends of the linkage rod 8.

[0022] Through the above design, when the stepper motor 6 is started, the turntable 5 will be driven to rotate. When the turntable 5 rotates half a circle, the slider 7 will be pulled upward through the linkage rod 8. When the turntable 5 continues to rotate half a circle and returns to the starting position, the slider 7 moved to the top will be pushed downward by the turntable 5 through the linkage rod 8 and return to the starting position.

[0023] Reference Figure 1 , 2 , 3, a rack 9 is fixedly installed on the left side of the slider 7, a gear rod 10 is meshed on the left side of the rack 9, the outer wall of the gear rod 10 is connected to a fixed rod 11 through a bearing, and the bottom of the fixed rod 11 is fixedly connected to the middle plate 1, the front top, bottom and front wall of the gear rod 10 are respectively fixedly installed with a main light 12, a backup light 13 and a No. 1 main control board 14, the front wall of the vertical plate 3 is fixedly installed with a No. 2 main control board 15, and the front wall of the No. 1 main control board 14 is respectively provided with a current sensor 16, a No. 1 PLC circuit board 17 and a wireless control board 18 which are electrically connected in sequence from top to bottom. The wireless transmitter 18 and the current sensor 16 are connected to the main light 12 through wires, the wireless transmitter 18 is adapted to the computer signal frequency band of the signal light main control room, the No. 1 PLC circuit board 17 is respectively connected to the main light 12 and the backup light 13 through wires, and the front wall of the No. 2 main control board 15 is respectively provided with a No. 2 PLC circuit board 20 and a wireless receiver 19 which are connected to each other through wires from top to bottom, the wireless receiver 19 is adapted to the wireless signal of the wireless transmitter 18, and the No. 2 PLC circuit board 20 is connected to the stepper motor 6 through wires.

[0024] Through the above design, and based on the function that the stepper motor 6 described above drives the turntable 5 to control the upward and downward movement of the slider 7 every half turn, when the main lamp 12 fails during use and cannot continue to light up, the current sensor 16 connected to the main lamp 12 wire will be induced by the sudden drop in current. At this time, the current sensor 16 will send an electrical signal to the No. 1 PLC circuit board 17. At this time, the No. 1 PLC circuit board 17 will first start the backup lamp 13 to light up, and will also start the wireless transmitter 18 to send a wireless signal to the wireless receiver 19 and the main control room to notify the maintenance personnel. After receiving the signal, the wireless receiver 19 will cause the No. 2 PLC circuit board 20 to start the stepper motor 6 to rotate half a turn. At this time, the slider 7 will move upward, thereby driving the rack 9 to engage the gear rod 10 rotates 180°, and the positions of the backup light 13 and the main light 12 are replaced, so that the backup light 13 can replace the damaged main light 12 to continue working, so as to keep the indication of the intersection safe. When the maintenance personnel repair the main light 12 and it lights up normally, the current sensor 16 will show that the current is normal, and then the backup light 13 will be controlled to be turned off through the No. 1 PLC circuit board 17. At the same time, the wireless signal will be sent to the wireless receiver 19 through the wireless transmitter 18. The wireless receiver 19 receives the signal and controls the stepper motor 6 to rotate half a circle again through the No. 2 PLC circuit board 20, so that the slider 7 drives the rack 9 to move downward to its original position. Similarly, the backup light 13 will exchange positions with the repaired main light 12 at this time to keep the main light 12 working.

[0025] The implementation principle of the embodiment of the present application is:

[0026] First, when the stepper motor 6 is started, the turntable 5 will be driven to rotate. When the turntable 5 rotates half a circle, the slider 7 will be pulled upward through the linkage rod 8. When the turntable 5 continues to rotate half a circle and returns to the starting position, the slider 7 moved to the top will be pushed downward by the turntable 5 through the linkage rod 8 and return to the starting position. Based on the above-described function that the stepper motor 6 drives the turntable 5 to control the upward and downward movement of the slider 7 every half a circle, when the main lamp 12 fails during use and cannot continue to light up, the current sensor 16 connected to the main lamp 12 wire will be sensed by the current drop. At this time, the current sensor 16 will send an electrical signal to the No. 1 PLC circuit board 17. At this time, the No. 1 PLC circuit board 17 will first start the backup lamp 13 to light up and work, and will also start the wireless transmitter 18 to send a wireless signal to the wireless receiver 19 and the main control room to notify the maintenance personnel. After receiving the signal, the wireless receiver 19 will The No. 2 PLC circuit board 20 starts the stepper motor 6 to rotate half a circle. At this time, the slider 7 will move upward, thereby driving the rack 9 to engage the gear rod 10 and rotate 180°. At this time, the positions of the backup light 13 and the main light 12 are replaced, so that the backup light 13 can replace the damaged main light 12 to continue working, so as to maintain the safety of the intersection indication. When the maintenance personnel repair the main light 12 and it lights up normally, the current sensor 16 will show that the current is normal, and then the backup light 13 will be controlled to be turned off through the No. 1 PLC circuit board 17. At the same time, a wireless signal will be sent to the wireless receiver 19 through the wireless transmitter 18. The wireless receiver 19 receives the signal and controls the stepper motor 6 to rotate half a circle again through the No. 2 PLC circuit board 20, so that the slider 7 drives the rack 9 to move downward to its original position. Similarly, the backup light 13 will exchange positions with the repaired main light 12 at this time to keep the main light 12 working.

[0027] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A light signal prompting device for rail transit, comprising a middle plate (1), characterized in that: A vertical plate (3) is fixedly mounted on the top of the middle plate (1), a track plate (4) is fixedly mounted on the lower rear side of the vertical plate (3), a turntable (5) is rotatably mounted on the upper rear side of the vertical plate (3), a stepper motor (6) whose output shaft is fixedly connected to the turntable (5) is fixedly mounted on the front side of the vertical plate (3), a slider (7) is slidably mounted inside the track plate (4), a linkage rod (8) is rotatably mounted on the slider (7), and the other end of the linkage rod (8) is rotatably connected to the turntable (5); A rack (9) is fixedly mounted on the left side of the slider (7), a gear rod (10) is meshed with the left side of the gear rod (9), a main light (12), a backup light (13) and a first main control board (14) are fixedly mounted on the front top, bottom and front wall of the gear rod (10), and a second main control board (15) is fixedly mounted on the front wall of the vertical board (3).

2. A rail transit light signal prompting device as claimed in claim 1, characterized in that: A support (2) is fixedly mounted on the bottom of the middle plate (1), and the bottom enlarged portion of the support (2) can be installed at a rail transit sign intersection by means of burying.

3. A rail transit light signal prompting device as claimed in claim 1, characterized in that: A slide groove matched with the slide block (7) is provided in the track plate (4), and the slide block (7) is slidably installed in the slide groove.

4. A rail transit light signal prompting device as claimed in claim 1, characterized in that: The front sides of the slider (7) and the rotating disk (5) are both fixedly mounted with protruding rods, and the two protruding rods are respectively plugged and mounted on the two ends of the linkage rod (8).

5. A rail transit light signal prompting device as claimed in claim 1, characterized in that: The outer wall of the gear rod (10) is connected to a fixing rod (11) via a bearing, and the bottom of the fixing rod (11) is fixedly connected to the middle plate (1).

6. A rail transit light signal prompting device as claimed in claim 1, characterized in that: The front wall of the No. 1 main control panel (14) is provided with a current sensor (16), a No. 1 PLC circuit board (17) and a wireless transmitter (18) which are electrically connected in sequence from top to bottom. The current sensor (16) is connected to the main light (12) by wires, the wireless transmitter (18) is adapted to the computer signal frequency band of the signal light main control room, and the No. 1 PLC circuit board (17) is connected to the main light (12) and the standby light (13) by wires.

7. A rail transit light signal prompting device as claimed in claim 1, characterized in that: The front wall of the No. 2 main control board (15) is provided with a No. 2 PLC circuit board (20) and a wireless receiver (19) connected to each other by wires from top to bottom, the wireless receiver (19) is adapted to the wireless signal of the wireless transmitter (18), and the No. 2 PLC circuit board (20) is connected to the stepping motor (6) by wires.

Images