Self-adaptive lighting device for expressway tunnel

By introducing a drive mechanism and a synchronization mechanism into the highway tunnel lighting system, the position of the movable light-blocking plate can be adjusted, solving the problem of brightness not meeting tunnel requirements, realizing automatic adjustment of the light outlet area, and improving the lighting safety inside the tunnel.

CN223953951UActive Publication Date: 2026-02-27严九洲
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Patent Information

Application Number
CN202520061188.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-10
Publication Date
2026-02-27
Estimated Expiration
2035-01-10

AI Technical Summary

Technical Problem

Existing highway tunnel lighting systems cannot quickly and easily adjust the illumination output area, resulting in brightness that is not adapted to the needs of the tunnel interior and affects safety.

Method used

It employs a drive mechanism, a synchronization mechanism, and a brightness sensor. By adjusting the vertical position of the movable light-blocking plate, the light outlet area of ​​the lighting frame is adjusted, and automatic adjustment is achieved in conjunction with a servo motor and a bidirectional lead screw.

Benefits of technology

It enables the applicability adjustment of the light outlet area of ​​the lighting frame, reduces manual operation steps, ensures that the brightness inside the tunnel meets the needs, and improves safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of tunnel lighting, and discloses a self-adaptive lighting device for a highway tunnel, which is characterized in that a plurality of groups of connecting rods are fixedly mounted in the side edge of a mounting frame, and a fixed light barrier is fixedly sleeved on the outer side of the middle end of each connecting rod; guide plates are fixedly installed at the two ends of the side edge of each fixed light barrier, a movable light barrier is slidably installed between the outer sides of every two sets of guide plates, a synchronizing mechanism is vertically and fixedly installed between the two ends of the side edges of every two sets of movable light barriers, a transmission frame is fixedly installed at the middle end of the top of the installation frame, and a driving mechanism is arranged in the transmission frame. According to the technical scheme, the vertical position of the movable light barrier can be adjusted, the shielding area between the movable light barrier and the fixed light barrier can be adjusted in a suitable mode, and therefore the area of a light outlet of the illuminating lamp frame can be adjusted in a suitable mode; and the illumination safety of the interior of the expressway tunnel is prevented from being influenced by too high or too low brightness.
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Description

TECHNICAL FIELD

[0001] The utility model is suitable for tunnel lighting technical field, especially relates to a highway tunnel self -adaptation lighting device. BACKGROUND

[0002] At present, the significant light and dark difference inside and outside the tunnel often leads to the driver's vision obstruction, easily causes "black hole effect" and "white hole effect", makes the driver difficult to clearly identify the road condition, for this reason, the setting of tunnel lighting lamp is particularly important, they can effectively improve the pavement lighting condition inside the tunnel, optimize the visual experience of the driver, significantly reduce the visual fatigue in the driving process, through scientific and reasonable lighting design, the tunnel lighting lamp not only improves the passing efficiency of the tunnel, but also practically guarantees the safety of traffic travel, creates a brighter, more comfortable driving environment for the driver, ensures that every tunnel passing can be smooth and peaceful.

[0003] However, in the currently used highway tunnel lighting mechanism, the brightness of the lighting mechanism is relatively fixed, or the brightness needs to be adjusted after adjusting the voltage size of power supply, and such adjustment mode cannot quickly and conveniently adjust the applicability of the irradiation output area, thereby not only affecting the irradiation brightness of the whole tunnel interior, but also easily affecting the safety of passing vehicles due to the too large or too small irradiation area. Therefore, we propose a highway tunnel self-adaptive lighting device. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide a highway tunnel self-adaptive lighting device, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A highway tunnel self-adaptive lighting device, comprising a lighting lamp frame, the lighting lamp frame side fixedly installed with a mounting frame, the mounting frame side inner fixedly installed with a connecting rod, and the number of connecting rods is several groups, the outer side of the middle end of each connecting rod is fixedly sleeved with a fixed light shield plate;

[0007] The outer side between every two groups of the guiding plate is slidably installed with a movable light shield plate, and the vertical fixedly installed with a synchronous mechanism between the two ends of the side edge of every two groups of the movable light shield plate.

[0008] The top of the mounting frame is fixedly provided with a transmission frame, the transmission frame is internally provided with a driving mechanism, and the driving mechanism is connected with a synchronous mechanism in transmission, the top of the side of the mounting frame is fixedly provided with a brightness sensor, the top of the side of the mounting frame is fixedly provided with a controller, the signal input end of the controller is electrically connected with the signal output end of the brightness sensor, and the signal output end of the controller is electrically connected with the signal output end of the servo motor.

[0009] Through the linkage driving effect of the driving mechanism and the synchronous mechanism, the vertical position of the multiple groups of movable light shielding plates can be adjusted, the vertical position of the movable light shielding plate can be adjusted, the blocking area between the movable light shielding plate and the fixed light shielding plate can be adjusted in suitability, the area of the light outlet of the lighting lamp frame can be adjusted in suitability, the influence of the high brightness or low brightness on the safety of the illumination of the inside of the highway tunnel is avoided.

[0010] As an optional solution of the technical scheme, the synchronous mechanism comprises a transmission rod and a connecting frame, and the transmission rod is vertically and fixedly arranged between the two ends of the outside of each two groups of movable light shielding plates.

[0011] Through the connection and transmission effect of the connecting frame and the transmission rod, the movement synchronization of the multiple groups of movable light shielding plates can be ensured, and the suitability adjustment of the light outlet area can be realized.

[0012] As an optional solution of the technical scheme, the driving mechanism comprises a bidirectional screw rod and a push rod, the bidirectional screw rod is rotatably arranged in the middle of the inside of the transmission frame through a bearing, the outside of the two sides of the bidirectional screw rod is movably sleeved with a movable sleeve through threads, the top surface of the outside of each movable sleeve is fixedly provided with a fixed frame, the top of the outside of the transmission frame is movably provided with a lifting plate, the side of the connecting frame is fixedly connected with the top of the outside of the lifting plate, the top of each fixed frame is hingedly provided with a push rod through a rotating shaft, the top of the push rod is hingedly connected with the bottom of the outside of the lifting plate through a rotating shaft, the two sides of the top of the transmission frame are provided with limiting sliding grooves, and the fixed frame penetrates and slidably inserts into the limiting sliding grooves, and the outside of the transmission frame is fixedly provided with a servo motor, and the side of the transmission shaft of the servo motor is fixedly connected with the top end of the side of the bidirectional screw rod through a coupling.

[0013] Through the rotating transmission effect of the bidirectional screw rod on the movable sleeve and the transmission conversion effect of the push rod, the horizontal movement force of the movable sleeve can be converted into the vertical push-pull force of the lifting plate, and then the multiple groups of movable light shielding plates can be automatically vertically moved, the operation steps required for manual adjustment by the operator are reduced, and the safety illumination provided for the inside of the highway tunnel is further realized.

[0014] As an optional solution of the technical scheme of the application, a guide sliding groove is vertically formed in the inner side of each guide plate side edge, and a guide sliding block is fixedly installed at both ends of each movable light shield plate side edge and is slidingly inserted into the guide sliding groove.

[0015] Through the guide sliding groove, the movable light shield plate can be vertically moved outside the fixed light shield plate when the movable light shield plate is subjected to a pushing and pulling force, thereby adjusting the moving stability of the overall light shielding area of the movable light shield plate.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] 1. The technical scheme of the application is a highway tunnel self-adaptive lighting device, which is provided with a mounting frame on the side edge of the lighting lamp frame, a fixed light shield plate and a movable light shield plate that can be vertically moved on the side edge thereof are arranged in the mounting frame, and the transmission of a plurality of movable light shield plates is connected through a transmission rod and a connecting frame, the transmission rod and the lifting plate are connected through the connecting frame, the lifting plate is vertically moved outside the transmission frame when being pushed, and the plurality of movable light shield plates are vertically moved on the side edge of the fixed light shield plate, thereby adjusting the vertical position of the movable light shield plate and adjusting the shielding area between the movable light shield plate and the fixed light shield plate, so that the area of the light outlet of the lighting lamp frame can be adjusted, and the safety of the illumination of the inside of the highway tunnel is ensured.

[0018] 2. The technical scheme of the application is a highway tunnel self-adaptive lighting device, which is provided with a bidirectional screw rod in the transmission frame at the top of the mounting frame, and the horizontal movement of the two groups of movable sleeves on the outer side thereof is synchronized and opposite through the rotation transmission of the bidirectional screw rod, and the horizontal movement of the movable sleeves is converted into the vertical pushing and pulling force of the lifting plate through the connection conversion of the pushing rod, thereby automatically vertically moving the plurality of movable light shield plates, reducing the operation steps required for manual adjustment by the operator, and further realizing the safe illumination of the inside of the highway tunnel. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole three-dimensional structure schematic view of the highway tunnel self-adaptive lighting device of the application.

[0020] Figure 2 It is a side view cross-sectional structure schematic view of the transmission frame of the highway tunnel self-adaptive lighting device of the application.

[0021] Figure 3The utility model relates to a highway tunnel self -adaptation lighting device's fixed light -proof plate side view sectional structure schematic diagram.

[0022] Fig. 1 is a lighting lamp frame, 11 is the mounting frame, 12 is the luminance sensor, 13 is the controller, 2 is the connecting rod, 21 is the fixed light -proof plate, 22 is the guide plate, 23 is the movable light -proof plate, 24 is the transmission rod, 25 is the connecting frame, 26 is the transmission frame, 27 is the lifting plate, 3 is the bidirectional screw rod, 31 is the movable sleeve, 32 is the fixed frame, 33 is the push rod, 34 is the servo motor, 35 is the limiting sliding slot, 4 is the guide sliding block, 41 is the guide sliding slot. DETAILED DESCRIPTION

[0023] As Figures 1-3 shown, the utility model provides a technical scheme: a highway tunnel self -adaptation lighting device, the lighting lamp frame 1 side fixed mounting has the mounting frame 11, the mounting frame 11 side interior fixed mounting has the connecting rod 2, and the quantity of connecting rod 2 is several groups, and the fixed sleeve of fixed light -proof plate 21 is connected in each connecting rod 2 middle end outside, the mounting frame 11 side top fixed mounting has the luminance sensor 12, the mounting frame 11 side top fixed mounting has the controller 13, the signal input end of controller 13 and the signal output end of luminance sensor 12 electrically connected, the signal output end of controller 13 and the signal output end of servo motor 34 electrically connected.

[0024] In the technical scheme (through Figure 1 、 Figure 2 And Figure 3 Shown), the side edge both ends of each fixed light -proof plate 21 are fixedly installed with guide plate 22, and the movable light -proof plate 23 is slidably installed between the outer sides of every two groups of guide plates 22, and the synchronous mechanism is vertically fixedly installed between the side edge both ends of every two groups of movable light -proof plates 23, the synchronous mechanism includes transmission rod 24 and connecting frame 25, transmission rod 24 is vertically fixedly installed between the outer sides both ends of every two groups of movable light -proof plates 23, and connecting frame 25 is fixedly installed on the top of transmission rod 24.

[0025] In the technical scheme (through Figure 1 、 Figure 2 And Figure 3The mounting frame 11 top middle end is fixedly provided with a transmission frame 26, the transmission frame 26 is internally provided with a driving mechanism, and the driving mechanism and a synchronous mechanism are drivingly connected, the driving mechanism comprises a bidirectional screw rod 3 and a push rod 33, the bidirectional screw rod 3 is rotatably installed in the transmission frame 26 through a bearing, the outer sides of the bidirectional screw rod 3 are movably sleeved with movable sleeves 31 through threads, the outer top surfaces of each movable sleeve 31 are fixedly provided with a fixed frame 32, the transmission frame 26 is movably provided with a lifting plate 27 on the outer top side, and the side edge of the connecting frame 25 is fixedly connected with the outer top side of the lifting plate 27, the transmission frame 26 is fixedly provided with a servo motor 34 on the outer side, and the driving shaft side of the servo motor 34 is fixedly connected with the side top end of the bidirectional screw rod 3 through a shaft coupling.

[0026] In the technical solution (as shown in Figure 1 、 Figure 2 and Figure 3 ), the top of each fixed frame 32 is hingedly provided with a push rod 33 through a rotating shaft, and the top of the push rod 33 is hingedly connected with the bottom outer side of the lifting plate 27 through a rotating shaft, the two sides of the top of the transmission frame 26 are provided with limiting sliding grooves 35, and the fixed frame 32 is slidingly inserted into the limiting sliding grooves 35.

[0027] In some technical solutions (as shown in Figure 1 、 Figure 2 and Figure 3 ), the inner side of each guide plate 22 is vertically provided with a guide sliding groove 41, and the side edges of each movable light shielding plate 23 are fixedly provided with guide sliding blocks 4, and the guide sliding blocks 4 are slidingly inserted into the guide sliding grooves 41.

[0028] When working, the lighting lamp frame 1 is installed in the highway tunnel, the brightness sensor 12 and the controller 13 are started, the brightness sensor 12 detects the brightness of the tunnel, the controller 13 controls the operation of the servo motor 34, when the brightness of the tunnel is poor, the servo motor 34 is started, drives the bidirectional screw rod 3 to rotate in the transmission frame 26, the movable sleeve 31 moves horizontally under the guide of the limiting sliding groove 35, the horizontal movement of the movable sleeve 31 is converted into the vertical pushing force of the lifting plate 27 under the transmission conversion of the pushing rod 33, the lifting plate 27 is lifted vertically outside the transmission frame 26, a plurality of movable light shielding plates 23 are moved vertically under the connection and transmission of the connecting frame 25 and the transmission rod 24, the movable light shielding plates 23 are lifted vertically from the bottom of the fixed light shielding plate 21 to the front side, the movable light shielding plates 23 and the fixed light shielding plate 21 partially overlap, the area of the light outlet of the lighting lamp frame 1 is changed, the overlapping area of the movable light shielding plates 23 and the fixed light shielding plate 21 is changed, the lighting area of the light outlet is adjusted, and the illumination brightness provided by the tunnel is changed.

Claims

1. A highway tunnel adaptive lighting device comprising a lighting lamp frame (1), characterized in that: The lighting lamp frame (1) side fixedly installs an installation frame (11), the installation frame (11) side interior fixedly installs a connecting rod (2), and the quantity of connecting rod (2) is several groups, and the outer side of the middle end of each connecting rod (2) is fixedly sleeved with a fixed light shielding plate (21); The outer side between every two groups of the guiding plate (22) is slidably installed with an active light shielding plate (23), and the outer side between every two groups of the active light shielding plate (23) is vertically fixedly installed with a synchronous mechanism. The installation frame (11) top middle end fixedly installs a transmission frame (26), and the transmission frame (26) is internally provided with a driving mechanism, and the driving mechanism and the synchronous mechanism are drivingly connected.

2. The highway tunnel adaptive lighting device of claim 1, wherein: The synchronous mechanism comprises a transmission rod (24) and a connecting frame (25), and the outer side between every two groups of the active light shielding plate (23) is vertically fixedly installed with a transmission rod (24), and the top of the transmission rod (24) is fixedly installed with a connecting frame (25).

3. The highway tunnel adaptive lighting device of claim 1, wherein: The driving mechanism comprises a bidirectional screw rod (3) and a push rod (33), and the transmission frame (26) interior middle end is rotatably installed with a bidirectional screw rod (3) through a bearing, and the outer side of the bidirectional screw rod (3) is slidably sleeved with an active sleeve (31) through a thread, and the outer side top surface of each active sleeve (31) is fixedly installed with a fixed frame (32), and the outer side top of the transmission frame (26) is movably provided with a lifting plate (27), and the side of the connecting frame (25) and the outer side top of the lifting plate (27) are fixedly connected.

4. The highway tunnel adaptive lighting device of claim 3, wherein: The top of each fixed frame (32) is hingedly connected with a push rod (33) through a rotating shaft, and the top of the push rod (33) is hingedly connected with the bottom outer side of the lifting plate (27) through a rotating shaft, and the top of the transmission frame (26) is provided with a limiting sliding groove (35), and the fixed frame (32) is slidably inserted into the limiting sliding groove (35), and the outer side of the transmission frame (26) is fixedly installed with a servo motor (34), and the side of the transmission shaft of the servo motor (34) is fixedly connected with the side top end of the bidirectional screw rod (3) through a shaft coupling.

5. The highway tunnel adaptive lighting apparatus according to claim 1, wherein: The outer side of each guiding plate (22) is vertically provided with a guiding sliding groove (41), and the outer side of each active light shielding plate (23) is fixedly installed with a guiding sliding block (4), and the guiding sliding block (4) is slidably inserted into the guiding sliding groove (41).

6. The highway tunnel adaptive lighting apparatus of claim 1, wherein: The outer side of the installation frame (11) is fixedly installed with a brightness sensor (12), and the outer side of the installation frame (11) is fixedly installed with a controller (13).