Tunnel intelligent dimming device

CN224162549UActive Publication Date: 2026-04-24南京交通运营管理集团有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
南京交通运营管理集团有限公司
Filing Date
2025-04-24
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

[0002]隧道是方便汽车快速穿过山体的通道,在汽车进入隧道时,因为光线变化较大导致驾驶员的眼睛会无法迅速适应光线的变化,甚至短暂失明,由此导致交通事故,因此会在隧道的端口安装补光灯来照亮隧道口的地面,但是目前隧道口的补光灯聚光部位的面积大小无法覆盖汽车的移动范围,即汽车从隧道入口驶入至完全进入隧道这一过程中,其行驶距离为五十米至一百米,没有合适的补光灯能够照射这一个区域;此外,隧道口的补光灯功率普遍较大,如果长期点亮会导致电能浪费,因此需要在没有汽车驶入时关闭补光灯、在汽车驶入之前及时开启补光灯,而目前尚且没有相应的机构来实现上述的需求

Benefits of technology

[0014]与现有技术相比,本实用新型提供了一种隧道智能调光装置,具备以下有益效果:

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of tunnel dimming devices, and particularly relates to an intelligent tunnel dimming device which comprises a bending machine box and a rotating box, a steering motor is fixedly installed on the rear side of an inner cavity of the bending machine box, an output shaft of the steering motor is fixedly connected with a driving wheel, and the front side of the bending machine box is rotationally connected with a pipe shaft through a bearing. The top end of the pipe shaft is inserted and connected with a driven wheel, a synchronous belt is wound between the driving wheel and the driven wheel, and the bottom end of the pipe shaft is inserted and fixedly connected with the top side of a rotating box; the speed measuring radar is installed on the rotating box to detect the current position and the current speed of an automobile, the LED lamp wick is turned on to illuminate the tunnel portal when it is monitored that the automobile drives into the tunnel portal, and then when the automobile gradually approaches the tunnel portal, the steering module is instructed to control the steering motor to conduct angle deflection on the tubular shaft through the driving wheel and the driven wheel, so that the steering effect is achieved. The light is enabled to always irradiate a set area at the front end of the vehicle in a driving state, so that good light supplement can be performed on the vehicle, and accidents are avoided.
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Description

Technical Field

[0001] This utility model relates to the technical field of tunnel dimming devices, specifically a tunnel intelligent dimming device. Background Technology

[0002] Tunnels are passageways that allow cars to quickly pass through mountains. When a car enters a tunnel, the significant change in light can cause drivers' eyes to be unable to adapt quickly enough, even resulting in temporary blindness, which can lead to traffic accidents. Therefore, auxiliary lights are installed at the tunnel entrances to illuminate the ground. However, the area of ​​the focusing area of ​​these auxiliary lights at the tunnel entrances is currently insufficient to cover the entire range of a car's movement. That is, the distance a car travels from the tunnel entrance to the point of being fully inside the tunnel is 50 to 100 meters, and there is no suitable auxiliary light to illuminate this area. In addition, the auxiliary lights at the tunnel entrances generally have high power, and if they are left on for a long time, it will lead to energy waste. Therefore, it is necessary to turn off the auxiliary lights when no car is entering and turn them on in time before a car enters. Currently, there is no corresponding mechanism to meet these requirements. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a tunnel intelligent dimming device, which solves the problems mentioned in the background section.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0007] A tunnel intelligent lighting device includes a bending housing and a rotating housing. A steering motor is fixedly installed on the rear side of the inner cavity of the bending housing, and a drive wheel is fixedly connected to the output shaft of the steering motor. A tubular shaft is rotatably connected to the front side of the bending housing via a bearing. A driven wheel is inserted through the top end of the tubular shaft. A synchronous belt is wound between the drive wheel and the driven wheel. The bottom end of the tubular shaft is inserted through and fixedly connected to the top side of the rotating housing. A focusing motor is fixedly installed at the center of the rear end face of the rotating housing, and a lead screw is fixedly connected to the output shaft of the focusing motor. Four guide rods are fixedly installed at the corners of the front end face of the rotating housing. A lamp plate is movably fitted into the middle of the four guide rods. An LED lamp core is fixedly installed in the middle of the front face of the lamp plate, and a screw tube is fixedly installed in the middle of the rear face of the lamp plate. The lead screw is adapted to screw into the screw tube. A semi-enclosed cover plate is provided on the top side of the bending machine box. A mounting screw is screwed to the side of the semi-enclosed cover plate. The threaded end of the mounting screw is tightly connected to the outer side wall of the top of the bending machine box. A steering module and a dimming module are fixedly installed on the top of the inner cavity of the bending machine box. The output end of the steering module is electrically connected to the steering motor, and the output end of the dimming module is electrically connected to the focus adjustment motor through a wire.

[0008] Furthermore, a telescopic contact is fixedly installed on the top of the inner cavity of the semi-enclosed cover plate, and an electrical socket is fixedly provided between the steering module and the dimming module, with the telescopic contact electrically connected to the electrical socket.

[0009] Furthermore, a speed measuring radar is fixedly installed on the side of the rotating box, and the speed measuring radar is electrically connected to the signal input terminals of the steering module and the dimming module.

[0010] Furthermore, a front cover is fixed to the center of the front end of the rotating box, and a convex lens is fitted and connected to the center of the front cover. The center of the convex lens is coaxially arranged with the center of the LED chip.

[0011] Furthermore, springs are inserted and connected to the front ends of the four guide rods. The front ends of the four springs elastically abut against the inner corners of the rotating box, and the rear ends of the four springs elastically abut against the corners of the front face of the lamp panel.

[0012] Furthermore, a heat dissipation ring is fitted and connected to the side of the solenoid.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, this utility model provides a tunnel intelligent dimming device, which has the following beneficial effects:

[0015] This invention uses a speed-measuring radar installed on a rotating box to detect the current position and speed of a car. When a vehicle is detected entering a tunnel, LED lights are turned on to illuminate the tunnel entrance. As the car gradually approaches the tunnel entrance, the steering module controls the steering motor to deflect the tube shaft through the drive wheel and driven wheel, ensuring that the light always illuminates the designated area in front of the moving vehicle. This provides good supplementary lighting for the car and helps prevent accidents.

[0016] In this invention, the speed measuring radar also has the function of turning the LED light core on and off. When it does not detect a vehicle entering the tunnel, it can turn off the LED light core to avoid energy waste caused by prolonged lighting. Attached Figure Description

[0017] Figure 1 This is an exploded view of the main structure of this utility model;

[0018] Figure 2 This is a side sectional view of the main structure of this utility model.

[0019] In the diagram: 1. Bending housing; 2. Steering motor; 3. Drive wheel; 4. Tube shaft; 5. Driven wheel; 6. Rotating box; 7. Focusing motor; 8. Lead screw; 9. Guide rod; 10. Lamp panel; 11. LED lamp core; 12. Screw tube; 13. Semi-enclosed cover plate; 14. Mounting screw; 15. Steering module; 16. Dimming module; 17. Telescopic contact; 18. Electrical socket; 19. Front cover; 20. Convex lens; 21. Spring; 22. Heat sink ring; 23. Speed ​​measuring radar. Detailed Implementation

[0020] 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.

[0021] Example

[0022] like Figure 1 and 2As shown in the figure, an embodiment of the present invention discloses a tunnel intelligent dimming device, including a bending machine box 1 and a rotating box 6. A steering motor 2 is fixedly installed on the rear side of the inner cavity of the bending machine box 1. The output shaft of the steering motor 2 is fixedly connected to a drive wheel 3. A tube shaft 4 is rotatably connected to the front side of the bending machine box 1 through a bearing. A driven wheel 5 is inserted through the top end of the tube shaft 4. A synchronous belt is wound between the drive wheel 3 and the driven wheel 5. The bottom end of the tube shaft 4 is inserted through and fixedly connected to the top side of the rotating box 6. A focusing motor 7 is fixedly installed at the center of the rear end face of the rotating box 6. A lead screw 8 is fixedly connected to the output shaft of the focusing motor 7. Four guide rods are fixedly installed at the corners of the front end face of the rotating box 6. 9. A lamp plate 10 is movably fitted into the middle of the four guide rods 9. An LED lamp core 11 is fixedly installed in the middle of the front face of the lamp plate 10. A screw tube 12 is fixedly installed in the middle of the rear face of the lamp plate 10. A lead screw 8 is adapted to screw into the screw tube 12. A semi-enclosed cover plate 13 is provided on the top side of the bending machine box 1. A mounting screw 14 is screwed into the side of the semi-enclosed cover plate 13. The threaded end of the mounting screw 14 is tightly connected to the outer side wall of the top of the bending machine box 1. A steering module 15 and a dimming module 16 are fixedly installed in the top of the inner cavity of the bending machine box 1. The output end of the steering module 15 is electrically connected to the steering motor 2. The output end of the dimming module 16 is electrically connected to the focus motor 7 through a wire.

[0023] In this embodiment, the semi-enclosed cover plate 13 is fixed to the top of the tunnel entrance where supplemental lighting is required. Then, the top side of the bending machine box 1 is inserted into the inner opening of the semi-enclosed cover plate 13, and the side of the bending machine box 1 is tightened by the mounting screws 14 to connect the two into one, thus making a quick and secure connection between the two.

[0024] During operation, the dimming module 16 controls the forward and reverse rotation of the focusing motor 7. The focusing motor 7 controls the position of the lamp plate 10 and the LED lamp core 11 within the rotating box 6 via the lead screw 8 and the solenoid 12 to adjust the focus of the LED lamp core 11, so as to adapt to vehicles at different distances. The steering module 15 controls the forward and reverse rotation of the steering motor 2. The steering motor 2 deflects the tube shaft 4 at an angle via the drive wheel 3 and the driven wheel 5, thereby driving the rotating box 6 and the LED lamp core 11 to deflect at an angle, providing supplementary lighting for vehicles at different positions.

[0025] Furthermore, a telescopic contact 17 is fixedly installed on the top of the inner cavity of the semi-enclosed cover plate 13, and an electrical socket 18 is fixedly provided between the steering module 15 and the dimming module 16. The telescopic contact 17 is electrically connected to the electrical socket 18.

[0026] The telescopic contact 17 is electrically connected to an external power source. Current flows through the telescopic contact 17 and the electrical socket 18 to the steering module 15 and the dimming module 16, providing them with power to perform the aforementioned supplementary lighting work.

[0027] Furthermore, a speed measuring radar 23 is fixedly installed on the side of the rotating box 6, and the speed measuring radar 23 is electrically connected to the signal input terminals of the steering module 15 and the dimming module 16.

[0028] The speed measuring radar 23 can detect the current position and speed of the car. When it detects a vehicle entering the tunnel entrance, it turns on the LED light core 11 to illuminate the tunnel entrance. Then, as the car gradually approaches the tunnel entrance, the steering module 15 controls the steering motor 2 to deflect the tube shaft 4 through the drive wheel 3 and the driven wheel 5, so that the light always illuminates the set area in front of the moving vehicle. In addition, the speed measuring radar 23 also has the function of turning the LED light core 11 on and off. When it does not detect a vehicle entering the tunnel entrance, it can turn off the LED light core 11 to avoid energy waste caused by long-term lighting.

[0029] Furthermore, a front cover 19 is fixed to the middle of the front end of the rotating box 6, and a convex lens 20 is fitted and connected to the middle of the front cover 19. The center of the convex lens 20 is coaxially arranged with the center of the LED lamp core 11.

[0030] The convex lens 20 has a focusing function for the light emitted by the LED chip 11. Therefore, as the relative positions of the convex lens 20 and the LED chip 11 change, beams with different illumination ranges will be obtained.

[0031] Furthermore, springs 21 are inserted and connected to the front ends of the four guide rods 9. The front ends of the four springs 21 elastically abut against the inner corner of the rotating box 6, and the rear ends of the four springs 21 elastically abut against the corner of the front end of the lamp panel 10.

[0032] Among them, the spring 21 elastically contacts the lamp plate 10 to ensure that the lead screw 8 and the solenoid 12 are screwed together without gap, thus avoiding light swaying when adjusting the focus and achieving more precise focusing.

[0033] Furthermore, a heat dissipation ring 22 is fitted and connected to the side of the solenoid 12.

[0034] Because the LED chip 11 generates heat when it is lit, a heat dissipation ring 22 is fitted and connected to the side of the spiral tube 12 to dissipate the heat generated by the LED chip 11 when it is working, so that it can work continuously and stably.

[0035] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the 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 this utility model should be included within the protection scope of this utility model.

Claims

1. A tunnel intelligent dimming device, comprising a bending housing (1) and a rotating housing (6), characterized in that: A steering motor (2) is fixedly installed on the rear side of the inner cavity of the bending machine box (1). The output shaft of the steering motor (2) is fixedly connected to a drive wheel (3). A tube shaft (4) is rotatably connected to the front side of the bending machine box (1) via a bearing. A driven wheel (5) is inserted through the top of the tube shaft (4). A synchronous belt is wound between the drive wheel (3) and the driven wheel (5). The bottom end of the tube shaft (4) is inserted through and fixedly connected to the top side of the rotating box (6). A focusing motor (7) is fixedly installed at the center of the rear end face of the rotating box (6). A lead screw (8) is fixedly connected to the output shaft of the focusing motor (7). Four guide rods (9) are fixedly installed at the corners of the front end face of the rotating box (6). A lamp plate (1) is movably fitted in the middle of the four guide rods (9). 0), an LED lamp core (11) is fixedly installed in the middle of the front end face of the lamp board (10), a screw tube (12) is fixedly installed in the middle of the rear end face of the lamp board (10), the lead screw (8) is adapted to screw the screw tube (12), a semi-enclosed cover plate (13) is provided on the top side of the bending machine box (1), and a mounting screw (14) is screwed to the side of the semi-enclosed cover plate (13), and the threaded end of the mounting screw (14) is tightly connected to the outer side wall of the top of the bending machine box (1); a steering module (15) and a dimming module (16) are fixedly installed on the top of the inner cavity of the bending machine box (1), the output end of the steering module (15) is electrically connected to the steering motor (2), and the output end of the dimming module (16) is electrically connected to the focus motor (7) through a wire.

2. The tunnel intelligent dimming device according to claim 1, characterized in that: A telescopic contact (17) is fixedly installed on the top of the inner cavity of the semi-enclosed cover plate (13), and an electrical socket (18) is fixedly provided between the steering module (15) and the dimming module (16). The telescopic contact (17) is electrically connected to the electrical socket (18).

3. The tunnel intelligent dimming device according to claim 1, characterized in that: A speed measuring radar (23) is fixedly installed on the side of the rotating box (6), and the speed measuring radar (23) is electrically connected to the signal input terminals of the steering module (15) and the dimming module (16).

4. The tunnel intelligent dimming device according to claim 1, characterized in that: The rotating box (6) has a front cover (19) fixed at the middle of its front end. A convex lens (20) is fitted and connected to the middle of the front cover (19). The center of the convex lens (20) is coaxially arranged with the center of the LED lamp core (11).

5. The tunnel intelligent dimming device according to claim 1, characterized in that: The front ends of the four guide rods (9) are all connected to springs (21). The front ends of the four springs (21) are elastically connected to the inner corner of the rotating box (6), and the rear ends of the four springs (21) are elastically connected to the corner of the front end of the lamp plate (10).

6. The tunnel intelligent dimming device according to claim 1, characterized in that: The side of the solenoid (12) is fitted with a heat dissipation ring (22).