A mobile camera for monitoring a subway

Abstract

The utility model relates to the field of subway monitoring discloses a mobile camera for subway monitoring, including track and moving block, the inside of track is opened with track groove, the inside of track groove is provided with ball bearing and round card column, right side the bottom side fixed coupling of round card column has right connecting column, left side the bottom side fixed coupling of round card column has left connecting column, the bottom fixed connection of left connecting column has the supporting plate, the top of supporting plate is provided with movable assembly, the bottom of right connecting column is provided with steering assembly, the inside fixed connection of track bottom has the rack gear. In the utility model, the camera is driven gear along the rack gear engagement movement through the motor, and the moving speed can be adjusted flexibly in cooperation with the frequency conversion motor, and the preset route of cooperation track can stably cover different areas of the subway, solve the problem that the monitoring range of traditional fixed camera is limited, effectively eliminate the monitoring blind area, and improve the comprehensiveness of subway monitoring.

Description

Technical Field

[0001] This utility model relates to the field of subway monitoring, and in particular to a mobile camera used for subway monitoring. Background Technology

[0002] During subway operation, comprehensive and multi-faceted intelligent monitoring systems play an irreplaceable and crucial role in ensuring passenger safety and maintaining the order of rail transit operations. As an important component of urban public transportation, the subway monitoring system, through functional modules such as real-time video monitoring, passenger flow statistics and analysis, and abnormal behavior identification, can promptly detect and address various safety hazards, effectively preventing and responding to emergencies. Simultaneously, the system provides data support for operational scheduling, ensuring train punctuality and providing crucial evidence for post-incident investigations, making it a vital technological support for building a safe and intelligent subway system.

[0003] In existing subway surveillance systems, most cameras are fixed installations, with limited flexibility in position and angle adjustment, resulting in a restricted monitoring range and difficulty in covering blind spots such as carriage connections and platform corners. Furthermore, traditional cameras have small turning angles and fixed movement speeds, making it difficult to quickly adapt to changing scenarios during peak hours or emergencies, leading to untimely and incomplete monitoring. To address these technical issues, this application proposes a mobile camera for subway surveillance. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a mobile camera for subway monitoring, aiming to solve the technical problem that the camera's position and angle cannot be flexibly adjusted.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A mobile camera for subway monitoring includes a track and a moving block. The track has a track groove inside, and a ball bearing and a circular locking post are arranged inside the track groove. A right connecting post is fixedly connected to the bottom side of the circular locking post on the right side, and a left connecting post is fixedly connected to the bottom side of the circular locking post on the left side. A support plate is fixedly connected to the bottom end of the left connecting post, and a movable component is arranged at the top end of the support plate. A steering component is arranged at the bottom end of the right connecting post, and a rack is fixedly connected inside the bottom end of the track.

[0007] Furthermore, the movable component includes a rotating shaft, the outer wall of which is provided with a crank, and the left end of the crank is provided with a bottom fixing post.

[0008] Furthermore, the steering assembly includes a rotating body, the interior of which is provided with a ball, the bottom of the right connecting column is fixedly connected to a circular locking post, and the outer wall of the circular locking post is provided with a locking block.

[0009] Furthermore, the rotating shaft is fixedly connected to the support plate, the rotating shaft is fixedly connected to the crank, and the crank is rotatably connected to the bottom fixed column.

[0010] Furthermore, the rotating shaft is rotatably connected to the crank, the crank is fixedly connected to the bottom fixed post, and the bottom fixed post is fixedly connected to the moving block.

[0011] Furthermore, a circular slot is provided on the top side of the card block, and one of the circular card posts is both rotatably connected to the circular slot. The rotating body is rotatably connected to the bottom end of the right connecting post.

[0012] Furthermore, the rack is meshed with a gear, the gear is connected to a drive shaft via a key, and a motor is fixedly connected to the bottom end of the drive shaft.

[0013] Furthermore, the left side of the motor is fixedly connected to the interior of the moving block, and the right side of the moving block is fixedly connected to a locking block and a camera connecting post. The locking block is located behind the camera connecting post, and the other end of the camera connecting post is provided with a camera body.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, the camera is driven by a motor to move along a rack and pinion. With the help of a variable frequency motor, the moving speed can be flexibly adjusted. Combined with the preset route of the track, it can stably cover different areas of the subway, solving the problem of limited monitoring range of traditional fixed cameras, effectively eliminating monitoring blind spots, and improving the comprehensiveness of subway monitoring.

[0016] 2. In this utility model, the movable component and the steering component work together to enable the camera to flexibly adjust its direction and angle, breaking through the limitation of the fixed angle of traditional cameras. This allows it to quickly adapt to complex subway scenes, enhancing the flexibility of monitoring and the ability to respond to emergencies. Attached Figure Description

[0017] Figure 1 This is a perspective view of a mobile camera for subway monitoring proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the moving block structure of a mobile camera for subway monitoring proposed in this utility model;

[0019] Figure 3This is a schematic diagram of the motor structure of a mobile camera for subway monitoring proposed in this utility model.

[0020] Figure 4 This is a schematic diagram of the right connecting column structure of a mobile camera for subway monitoring proposed in this utility model.

[0021] Legend:

[0022] 1. Track; 2. Right connecting post; 3. Locking block; 4. Camera connecting post; 5. Camera body; 6. Crank; 7. Support plate; 8. Moving block; 9. Left connecting post; 10. Track groove; 11. Ball bearing; 12. Round locking post; 13. Bottom fixing post; 14. Rotating shaft; 15. Rack; 16. Gear; 17. Flat key; 18. Motor; 20. Rotating body. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Reference Figures 1-3 This utility model provides an embodiment of a mobile camera for subway monitoring, comprising a track 1 and a moving block 8. The track 1 has a track groove 10 inside, with ball bearings 11 and circular locking posts 12 inside. A right connecting post 2 is fixedly connected to the bottom of the right circular locking post 12, and a left connecting post 9 is fixedly connected to the bottom of the left circular locking post 12. A support plate 7 is fixedly connected to the bottom of the left connecting post 9, and a movable component is provided at the top of the support plate 7. A steering component is provided at the bottom of the right connecting post 2. A rack 15 is fixedly connected to the bottom of the track 1. The rack 15 is meshed with a gear 16, and the gear 16 is connected to a drive shaft via a key 17. A motor 18 is fixedly connected to the bottom of the drive shaft. The left side of the motor 18 is fixedly connected to the interior of the moving block 8. A locking block 3 and a camera connecting post 4 are fixedly connected to the right side of the moving block 8. The locking block 3 is located behind the camera connecting post 4, and a camera body 5 is provided at the other end of the camera connecting post 4. The drive motor 18 engages with the gear 16 via the key 17, causing the gear 16 to move along the rack 15. The motor 18 is a variable frequency motor, which can adjust the speed to control the movement speed of the entire device. The rack 15 is laid along the track 1, which needs to be designed and fixed to the ceiling.

[0025] Reference Figure 1 , Figure 2 and Figure 4The movable component includes a rotating shaft 14, with a crank 6 mounted on its outer wall and a bottom fixing post 13 at the left end of the crank 6. The rotating shaft 14 is fixedly connected to the support plate 7, the crank 6, and the bottom fixing post 13. The rotating shaft 14 is rotatably connected to the crank 6, the crank 6 is fixedly connected to the bottom fixing post 13, and the bottom fixing post 13 is fixedly connected to the moving block 8. The steering component includes a rotating body 20, with a ball inside. The bottom of the right connecting post 2 is fixedly connected to a circular locking post 12, and a locking block 3 is mounted on the outer wall of the circular locking post 12. A circular locking groove is formed on the top side of the locking block 3, and the circular locking post 12 is both rotatably and slidably connected to the circular locking groove. The rotating body 20 is rotatably connected to the bottom end of the right connecting post 2. The moving block 8 is fixed to the motor 18. The right end of the moving block 8 can be turned by the steering device. There is a gap between the moving block 8 and the track 1. The card block 3 and the rotating body 20 fixedly connected to the right end of the moving block 8 can rotate. The round card post 12 rotatably connected inside the card block 3 will move along the moving trajectory of the right connecting post 2. The trajectory of the right connecting post 2 is affected by the round card post 12 fixedly connected to its top and the rolling (11) of its left end inside. The ball 11 and the round card post 12 at its top will move along the track groove 10. The moving component at the bottom of the left end of the moving block 8 is fixed along the track groove 10 due to the movement of the left connecting post 9 and the support plate 7. Therefore, the movement of the crank 6 can make the moving block 8 pass through the corner, improve its flexibility, and thus control the movement direction and trajectory of the moving block 8.

[0026] Working principle: The drive motor 18 engages with the gear 16 via the key 17, causing the gear 16 to move along the rack 15. The motor 18 is a variable frequency motor, allowing for speed adjustment to control the overall movement speed of the device. The rack 15 is laid along the track 1, which needs to be designed and fixed to the ceiling. The moving block 8 is fixed to the motor 18. The right end of the moving block 8 can be steered via a steering device. There is a gap between the moving block 8 and the track 1. The locking block 3, which is fixedly connected to the right end of the moving block 8, can rotate with the rotating body 20. The internal rotating connecting round pin 12 moves along the trajectory of the right connecting pin 2. The trajectory of the right connecting pin 2 is affected by the round pin 12 fixedly connected to its top and the rolling (11) of its left end inside. The ball 11 and the round pin 12 at its top will move along the trajectory groove 10. The movable component at the bottom of the left end of the moving block 8 is fixed along the trajectory groove 10 due to the movement of the left connecting pin 9 and the support plate 7. Therefore, the movement of the crank 6 allows the moving block 8 to pass through the corner, improving its flexibility and thus controlling the movement direction and trajectory of the moving block 8. The camera body 5 has functions such as night vision, backup battery, and omnidirectional rotation.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A mobile camera for subway monitoring, characterized in that, Includes a track (1) and a moving block (8). The track (1) has a track groove (10) inside. The track groove (10) is provided with a ball bearing (11) and a round pin (12). The bottom side of the round pin (12) on the right is fixedly connected to a right connecting pin (2). The bottom side of the round pin (12) on the left is fixedly connected to a left connecting pin (9). The bottom end of the left connecting pin (9) is fixedly connected to a support plate (7). The top end of the support plate (7) is provided with a movable component. The bottom end of the right connecting pin (2) is provided with a steering component. The bottom end of the track (1) is fixedly connected to a rack (15).

2. A mobile camera for subway monitoring according to claim 1, characterized in that: The movable component includes a rotating shaft (14), the outer wall of which is provided with a crank (6), and the left end of the crank (6) is provided with a bottom fixing post (13).

3. A mobile camera for subway monitoring according to claim 1, characterized in that: The steering assembly includes a rotating body (20), the interior of which is provided with a ball, the bottom of the right connecting post (2) is fixedly connected to a circular locking post (12), and the outer wall of the circular locking post (12) is provided with a locking block (3).

4. A mobile camera for subway monitoring according to claim 2, characterized in that: The rotating shaft (14) is fixedly connected to the support plate (7), the rotating shaft (14) is fixedly connected to the crank (6), and the crank (6) is rotatably connected to the bottom fixing column (13).

5. A mobile camera for subway monitoring according to claim 2, characterized in that: The rotating shaft (14) is rotatably connected to the crank (6), the crank (6) is fixedly connected to the bottom fixed column (13), and the bottom fixed column (13) is fixedly connected to the moving block (8).

6. A mobile camera for subway monitoring according to claim 3, characterized in that: The top side of the card block (3) is provided with a circular card slot, and one of the circular card posts (12) is both rotatably connected to the circular card slot. The rotating body (20) is rotatably connected to the bottom end of the right connecting post (2).

7. A mobile camera for subway monitoring according to claim 1, characterized in that: The rack (15) is meshed with a gear (16), the gear (16) is connected to a drive shaft via a key (17), and a motor (18) is fixedly connected to the bottom end of the drive shaft.

8. A mobile camera for subway monitoring according to claim 7, characterized in that: The left side of the motor (18) is fixedly connected to the inside of the moving block (8), and the right side of the moving block (8) is fixedly connected to a locking block (3) and a camera connecting post (4). The locking block (3) is located on the rear side of the camera connecting post (4), and the other end of the camera connecting post (4) is provided with a camera body (5).

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