CN114458997B - Intelligent automobile lighting system beneficial to safe driving - Google Patents

Abstract

The invention discloses an intelligent automobile lighting system which is helpful for safe driving, comprising a vehicle, a headlight and a driving device; the headlight is arranged on the vertical surface of the front side of the vehicle, and the headlight comprises a guide bracket, a guide rail, a sliding mechanism, The light source part, the counterweight block and the lifting and lowering drive mechanism, the guide rail is in a J-shaped structure, and its curved section is located above, the sliding mechanism is slidably clamped on the guide rail, the light source part is arranged on the sliding mechanism, and the guide bracket is provided with a pulley set. The pulley block is wound with a wire rope, the wire rope is connected to the counterweight block, the sliding mechanism is fixedly connected to the wire rope, the guide bracket is connected with a first screw rod, the counterweight block is sleeved on the first screw rod, and the lift drive mechanism is used to drive the first screw rod The driving device is used to drive the lifting and lowering driving mechanism to work; the invention realizes the adjustment of the height of the light source part, effectively reduces the impact on the drivers in the front and opposite lanes, and makes driving safer.

Description

A Smart Car Lighting System Helping Safe Driving

technical field

The invention relates to the technical field of automotive lighting, in particular to an intelligent automotive lighting system that is helpful for safe driving.

Background technique

The current car headlights are fixedly connected to the body, and their height is fixed during use, and the vehicle often needs to switch to high beam mode in high-speed road conditions, and the high headlight height will make the light irradiation range. If it is too large, it will seriously affect the driving safety of drivers in the opposite lane and the lane ahead.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above-mentioned shortcomings and provide an intelligent vehicle lighting system that is helpful for safe driving.

For achieving the above object, the concrete scheme of the present invention is as follows:

An intelligent automotive lighting system that contributes to safe driving, including a vehicle, a headlight and a driving device;

The two headlights are symmetrically and fixedly installed on the front vertical surface of the vehicle, and each of the headlights includes a guide bracket, a guide rail, a sliding mechanism, a light source, a counterweight, and a lifting and lowering drive mechanism. The guide bracket is fixedly connected to the vehicle, the guide rail is fixedly connected to the guide bracket, the guide rail has a J-shaped structure, and the curved section of the guide rail is located above, and the sliding mechanism is slidably clamped on the guide rail. On the track, the light source part is fixedly installed on the sliding mechanism, the upper and lower ends of the guide bracket are installed with pulley blocks, a steel wire rope is wound between the two pulley blocks, and both ends of the steel wire rope are fixedly connected to the counterweight On the block, the sliding mechanism is also fixedly connected with the steel wire rope, the guide bracket is also rotatably connected with a first screw rod, the counterweight block is threadedly sleeved on the first screw rod, and the lift driving mechanism is used to drive the first screw rod. screw rotation;

The driving device is fixedly installed on the vertical surface of the front side of the vehicle and is used for driving the two lifting and lowering driving mechanisms to work.

The present invention further, the lift drive mechanism includes a hydraulic push rod, a mounting bracket, a rack and a gear, the mounting bracket is fixed on the guide bracket, the hydraulic push rod is fixed on the mounting bracket, and the rack is slidably connected On the guide bracket, the gear is fixedly sleeved on one end of the first screw rod and meshes with the rack.

In the present invention, a first strip-shaped hole is opened on the rack, and a guide block is protruded on the guide bracket, and the guide block is movably embedded in the first strip-shaped hole.

In the present invention further, the driving device includes a hydraulic cylinder, a hydraulic piston, a return spring and a windshield, the hydraulic cylinder is mounted on the vehicle, and the hydraulic piston is arranged on the hydraulic cylinder and between the hydraulic cylinder and the hydraulic cylinder. A hydraulic chamber is formed, an accommodating groove is arranged in the hydraulic chamber, an escape hole is provided at the position of the hydraulic piston corresponding to the accommodating groove, the return spring is installed in the accommodating groove, and the two ends of the restoring spring are respectively Abutting against the hydraulic cylinder body and the hydraulic piston, the windward plate is fixed on the hydraulic piston, and the hydraulic chamber is respectively communicated with the two hydraulic push rods through a liquid pipe.

According to the present invention, the driving device further includes a damper, and the damper is installed in the accommodating groove.

Further, the sliding mechanism includes a sliding bracket, a connecting shaft and a plurality of clamping units, the sliding bracket is in a U-shaped structure, an installation ear extends on the sliding bracket, and the light source part is fixed on the installation ear , the inner side walls of both ends of the sliding bracket are provided with a second strip hole, the two ends of the connecting shaft are respectively movably embedded in the second strip hole, and the middle part of the connecting shaft is also fixedly connected with the steel wire rope. The clamping units are evenly distributed on both ends of the sliding bracket, the clamping units are rotatably connected to the sliding bracket, and the clamping units are movably clamped on the guide rails.

Further, in the present invention, each of the clamping units includes a roller support and two clamping rollers, a first convex shaft is protruded from the middle of one side of the roller support, and the first convex shaft is rotatably connected to the sliding On the bracket, two second protruding shafts are protruded from the other side of the roller bracket, and the two clamping rollers are sleeved on the two second protruding shafts in a one-to-one correspondence, and the two clamping rollers are Fittingly clamped on the guide rail.

According to the present invention, the clamping unit further includes a second screw, a locking nut and a damping friction pad, the first protruding shaft is provided with a threaded through hole in the axial direction, and the second screw thread is threaded through the threaded through hole Inside, the damping friction pad is fixed on one end of the second screw rod, and the locking nut is threadedly sleeved on the other end of the second screw rod.

The beneficial effects of the present invention are as follows: the present invention enables the sliding mechanism to drive the light source part to slide up and down along the guide track of the J-shaped structure through the lifting and lowering driving mechanism under the driving of the driving device, so that the height of the light source part can be adjusted, so that the light source part can be adjusted. In the low beam mode, the position is the highest, and the depression angle of the illumination is larger, which is more convenient for the driver to understand the road conditions. At the same time, the position of the light source part in the high beam mode is lowered, so as to reduce the direct light exposure to the drivers in the front and opposite lanes. dazzling, effectively reducing the impact on drivers in the front and opposite lanes, making driving safer.

Description of drawings

Fig. 1 is the perspective view of the present invention;

Fig. 2 is the perspective view of the headlamp of the present invention;

3 is a schematic cross-sectional view of the headlamp of the present invention;

4 is a perspective view of the sliding mechanism of the present invention;

Fig. 5 is the perspective view of the guide rail of the present invention;

Fig. 6 is the perspective view of the lift drive mechanism of the present invention;

7 is a schematic cross-sectional view of the clamping unit of the present invention;

8 is a schematic cross-sectional view of the drive device of the present invention;

Description of reference numerals: 1, vehicle; 2, headlight; 21, guide bracket; 22, guide rail; 23, sliding mechanism; 231, sliding bracket; 232, connecting shaft; 233, clamping unit; 2331, roller bracket; 2332, clamping roller; 2333, second screw; 2334, lock nut; 2335, damping friction pad; 24, light source part; 25, counterweight; 26, lift drive mechanism; 261, hydraulic push rod; 262, installation Bracket; 263, rack; 264, gear; 27, pulley block; 28, wire rope; 29, first screw; 3, driving device; 31, hydraulic cylinder; 32, hydraulic piston; 33, return spring; 34, windward plate ; 35, liquid pipe; 36, damper.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, but the scope of implementation of the present invention is not limited thereto.

As shown in FIG. 1 to FIG. 8 , an intelligent vehicle lighting system that is helpful for safe driving described in this embodiment includes a vehicle 1 , a headlight 2 and a driving device 3 ;

The two headlights 2 are symmetrically and fixedly mounted on the front vertical surface of the vehicle 1 , and each of the headlights 2 includes a guide bracket 21 , a guide rail 22 , a sliding mechanism 23 , a light source portion 24 , and a counterweight. Block 25 and lift drive mechanism 26, the guide bracket 21 is fixedly connected to the vehicle 1, the guide rail 22 is fixedly connected to the guide bracket 21, the guide rail 22 has a J-shaped structure, and the guide rail 22 The curved section of the guide bracket is located above, the sliding mechanism 23 is slidably clamped on the guide rail 22, the light source portion 24 is fixedly installed on the sliding mechanism 23, and the upper and lower ends of the guide bracket 21 are installed with pulleys 27. A wire rope 28 is wound around the pulley block 27, and both ends of the wire rope 28 are fixedly connected to the counterweight block 25. The sliding mechanism 23 is also fixedly connected to the wire rope 28. The guide bracket 21 is also rotatably connected with The first screw 29, the counterweight 25 is threadedly sleeved on the first screw 29, and the lift driving mechanism 26 is used to drive the first screw 29 to rotate;

The driving device 3 is fixedly installed on the vertical surface of the front side of the vehicle 1 and is used to drive the two lifting and lowering driving mechanisms 26 to work.

The working mode of this embodiment is: when the vehicle is in a low speed driving state, the driving device 3 drives the lifting driving mechanism 26 to work, the lifting driving mechanism 26 drives the first screw 29 to rotate, the first screw 29 drives the counterweight 25 to move down, and the The weight 25 pulls the sliding mechanism 23 through the wire rope 28 and slides up along the guide rail 22 until the sliding mechanism 23 drives the light source part 24 to slide to the top of the curved section of the guide rail 22, that is, at the top of the curved section, so that the light source section 24 faces toward the top of the curved section. It is inclined downward, so that the effective irradiation distance of the light emitted by the light source part 24 is short, and the light source part 24 is in the low beam mode. At this time, due to the high height of the light source part 24, the depression angle of the irradiation is large, which is convenient for the driver to find the concave part of the road and timely respond. Avoid; when the car is in a high-speed driving state, the drive device 3 drives the lift drive mechanism 26 to work, the lift drive mechanism 26 drives the first screw 29 to reversely rotate, the first screw 29 drives the counterweight 25 to move up, and the counterweight 25 passes through The wire rope 28 drives the sliding mechanism 23 to slide down along the guide track 22, and the sliding mechanism 23 drives the light source part 24 to slide downward, so that the irradiation depression angle of the light source part 24 gradually decreases, the effective irradiation area of the light gradually increases, and the mode is switched to high beam. It is convenient for the driver to observe the road conditions at a long distance. As the sliding mechanism 23 enters the straight section of the guide rail 22 from the curved section of the guide rail 22, the irradiation depression angle of the light of the light source part 24 is reduced to a minimum and no longer changes, and the light source part 24 is lowered. The height of the light source part 24 makes the position of the light source part 24 closer to the ground, so as to reduce the direct exposure of the light to the driver in the front and the opposite lane, and improve the driving safety.

In this embodiment, the lift driving mechanism 26 is driven by the driving device 3, so that the sliding mechanism 23 drives the light source portion 24 to slide up and down along the guide rail 22 of the J-shaped structure, so as to adjust the height of the light source portion 24, so that the light source portion 24 can be adjusted. The position of 24 in the low beam mode is the highest, and the depression angle of the illumination is larger, which is more convenient for the driver to understand the road conditions. At the same time, the position of the light source part 24 in the high beam mode is lowered, so as to reduce the direct exposure of the light to the driving in the front and opposite lanes. The dazzling caused by the personnel effectively reduces the impact on the drivers in the front and the opposite lane, and the driving is safer.

As shown in FIG. 1 to FIG. 3 and FIG. 6 , based on the above-mentioned embodiment, the lift drive mechanism 26 further includes a hydraulic push rod 261 , a mounting bracket 262 , a rack 263 and a gear 264 . The mounting bracket 262 is fixed on the guide bracket 21, the hydraulic push rod 261 is fixed on the mounting bracket 262, the rack 263 is slidably connected to the guide bracket 21, the gear 264 is fixedly sleeved on one end of the first screw 29 and Engage with the rack 263 .

As shown in FIG. 2 , FIG. 3 , and FIG. 6 , in this embodiment, specifically, the rack 263 is provided with a first strip hole, the guide bracket 21 is protruded with a guide block, and the guide block It is movably embedded in the first bar-shaped hole; the first bar-shaped hole and the guide block cooperate to guide and limit the movement of the rack 263, and at the same time limit the stroke of the rack 263 to prevent the sliding mechanism 23 from slipping from the guide rail 22. Slip off, the structure is more reliable.

As shown in FIG. 1 and FIG. 8 , in this embodiment, specifically, the driving device 3 includes a hydraulic cylinder 31 , a hydraulic piston 32 , a return spring 33 and a windward plate 34 , and the hydraulic cylinder 31 is installed on the vehicle 1 . Above, the hydraulic piston 32 is provided on the hydraulic cylinder 31 and a hydraulic cavity is formed between the hydraulic cylinder 31, the hydraulic cavity is provided with an accommodating groove, and the hydraulic piston 32 is set corresponding to the position of the accommodating groove There is an escape hole, the return spring 33 is installed in the accommodating groove, the two ends of the return spring 33 are respectively abutted with the hydraulic cylinder 31 and the hydraulic piston 32, and the windward plate 34 is fixed on the hydraulic piston 32, so The hydraulic chambers are respectively communicated with the two hydraulic push rods 261 through a liquid pipe 35 .

In actual use, when the vehicle is running at a low speed, the pressure on the windward plate 34 is relatively small, and the windward plate 34 is in a static state under the support of the return spring 33. At this time, the oil is completely in the hydraulic chamber, and the counterweight 25 is at the lowest position. position, the sliding mechanism 23 is at the highest position, when the vehicle is in a high-speed driving state, due to the high pressure on the windward plate 34, the driving hydraulic piston 32 is squeezed by the return spring 33 to compress, so that the volume of the hydraulic chamber is reduced, and the hydraulic chamber The oil enters the hydraulic push rod 261 through the liquid pipe 35, so that the hydraulic push rod 261 pushes the rack 263 to extend, the rack 263 drives the gear 264 to rotate, the gear 264 drives the first screw 29 to rotate, and the first screw 29 drives the counterweight The block 25 is moved up, so that the sliding mechanism 23 is driven to slide by the wire rope 28, and the height of the light source part 24 and the irradiation depression angle are adjusted, so that the light demand can be adjusted according to the usage scene.

As shown in FIG. 8 , based on the above embodiment, the driving device 3 further includes a damper 36 , and the damper 36 is installed in the accommodating groove. In this embodiment, the damper 36 is provided to avoid the influence of inertia on the stability of the driving device 3 due to sudden situations such as emergency braking, so that the adjustment process of the entire lighting system is smoother.

As shown in FIG. 1 to FIG. 4 , based on the above-mentioned embodiment, the sliding mechanism 23 further includes a sliding bracket 231 , a connecting shaft 232 and a plurality of clamping units 233 , and the sliding bracket 231 has a U-shaped structure. There is a mounting ear extending on the sliding bracket 231, the light source part 24 is fixed on the mounting ear, the inner side walls of both ends of the sliding bracket 231 are provided with second strip holes, and the two ends of the connecting shaft 232 are respectively Correspondingly embedded in the second strip hole, the middle part of the connecting shaft 232 is also fixedly connected with the wire rope 28, and a plurality of the clamping units 233 are evenly distributed on both ends of the sliding bracket 231, and the clamping units 233 are rotatably connected On the sliding bracket 231 , the clamping unit 233 is movably clamped on the guide rail 22 . In this embodiment, the number of the clamping units 233 is four, and the four clamping units 233 are evenly distributed on both ends of the sliding bracket 231 .

In this embodiment, specifically, each of the clamping units 233 includes a roller bracket 2331 and two clamping rollers 2332. A first convex shaft is protruded from the middle of one side of the roller bracket 2331. A protruding shaft is rotatably connected to the sliding bracket 231 , and two second protruding shafts are protruded from the other side of the roller bracket 2331 , and the two clamping rollers 2332 are sleeved on the two second protruding shafts in a one-to-one correspondence. On the shaft, the two clamping rollers 2332 are cooperatively clamped on the guide rail 22 .

In actual use, the sliding bracket 231 is slidably clamped on the guide rail 22 by the clamping rollers 2332 of the four clamping units 233, and the wire rope 28 drives the entire sliding mechanism 23 to slide along the guide rail 22 by pulling the connecting shaft 232. The height adjustment of the light source part 24 is realized, and at the same time, the roller bracket 2331 is rotatably connected to the sliding bracket 231 , so that the clamping roller 2332 can slide smoothly along the entire guide rail 22 .

As shown in FIG. 4 and FIG. 7 , based on the above embodiment, the clamping unit 233 further includes a second screw 2333 , a locking nut 2334 and a damping friction pad 2335 . The first convex shaft A threaded hole is provided along the axial direction, the second screw 2333 is threaded in the screw hole, the damping friction pad 2335 is fixed on one end of the second screw 2333, and the locking nut 2334 is threadedly sleeved on the second screw 2333 on the other end.

In actual use, the second screw 2333 is used to adjust the gap between the damping friction pad 2335 and the inner side wall of the sliding bracket 231, so as to adjust the damping force received by the roller bracket 2331. At the same time, the locking nut 2334 is used to cooperate with the inner side wall of the sliding bracket 231. , lock the second screw 2333, so that the two clamping rollers 2332 are reliably clamped on the guide rail 22, and at the same time use the damping friction pad 2335 to increase the rotational resistance of the roller bracket 2331, so as to avoid emergency situations such as emergency braking Since the inertia effect affects the stability of the clamping unit 233, the adjustment process of the entire lighting system is smoother.

The above is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the protection scope of the patent application of the present invention.

Claims (8)

1. an intelligent vehicle lighting system that is helpful for safe driving, is characterized in that, comprises: vehicle (1); A headlight (2), the two headlights (2) are fixedly mounted on the vertical surface of the front side of the vehicle (1) symmetrically, each of the headlights (2) includes a guide bracket (21), A guide rail (22), a sliding mechanism (23), a light source part (24), a counterweight (25) and a lift drive mechanism (26), the guide bracket (21) is fixedly connected to the vehicle (1), the The guide rail (22) is fixedly connected to the guide bracket (21), the guide rail (22) has a J-shaped structure, and the curved section of the guide rail (22) is located above, and the sliding mechanism (23) slides The light source part (24) is fixedly mounted on the sliding mechanism (23), and the upper and lower ends of the guide bracket (21) are installed with pulley assemblies (27). A wire rope (28) is wound between (27), both ends of the wire rope (28) are fixedly connected to the counterweight (25), and the sliding mechanism (23) is also fixedly connected to the wire rope (28), A first screw (29) is also rotatably connected to the guide bracket (21), the counterweight (25) is threadedly sleeved on the first screw (29), and the lift drive mechanism (26) is used for driving the first screw (29) rotates; and a driving device (3), the driving device (3) is fixedly installed on the vertical surface of the front side of the vehicle (1) and is used for driving the two lifting and lowering driving mechanisms (26) to work; The light source part (24) can slide up and down along the guide rail (22) of the J-shaped structure. 2 . The intelligent vehicle lighting system according to claim 1 , wherein the lift drive mechanism ( 26 ) comprises a hydraulic push rod ( 261 ), a mounting bracket ( 262 ), a rack (263) and gear (264), the mounting bracket (262) is fixed on the guide bracket (21), the hydraulic push rod (261) is fixed on the mounting bracket (262), the rack (263) slides Connected to the guide bracket (21), the gear (264) is fixedly sleeved on one end of the first screw (29) and meshes with the rack (263). 3. The intelligent vehicle lighting system that is helpful for safe driving according to claim 2, wherein a first strip hole is formed on the rack (263), and the guide bracket (21) is provided with a first strip hole. A guide block is protruded, and the guide block is movably embedded in the first strip hole. 4. An intelligent vehicle lighting system that is helpful for safe driving according to claim 2 or 3, characterized in that, the driving device (3) comprises a hydraulic cylinder (31), a hydraulic piston (32), a reset The spring (33) and the windward plate (34), the hydraulic cylinder (31) is mounted on the vehicle (1), the hydraulic piston (32) is arranged on the hydraulic cylinder (31) and is connected with the hydraulic cylinder (31) A hydraulic chamber is formed between ), the hydraulic chamber is provided with an accommodating groove, the hydraulic piston (32) is provided with an escape hole at the position corresponding to the accommodating groove, and the return spring (33) is installed in the accommodating groove , the two ends of the return spring (33) are in contact with the hydraulic cylinder (31) and the hydraulic piston (32) respectively, the windward plate (34) is fixed on the hydraulic piston (32), and the hydraulic chamber passes through the A liquid pipe (35) communicates with the two hydraulic push rods (261). 5 . The intelligent vehicle lighting system according to claim 4 , wherein the driving device ( 3 ) further comprises a damper ( 36 ), and the damper ( 36 ) is installed in the holding tank. 6 . The intelligent vehicle lighting system according to claim 1 , wherein the sliding mechanism ( 23 ) comprises a sliding bracket ( 231 ), a connecting shaft ( 232 ) and a plurality of clamps. 7 . The unit (233), the sliding bracket (231) has a U-shaped structure, an installation ear extends on the sliding bracket (231), the light source part (24) is fixed on the installation ear, and the sliding bracket (231) The inner side walls of both ends are provided with second strip holes, the two ends of the connecting shaft (232) are respectively movably embedded in the second strip holes, and the middle part of the connecting shaft (232) is also fixed with the steel wire rope (28). connected, a plurality of the clamping units (233) are evenly distributed on both ends of the sliding bracket (231), the clamping units (233) are rotatably connected to the sliding bracket (231), and the clamping units (233) The movable clamp is on the guide rail (22). 7 . The intelligent vehicle lighting system according to claim 6 , wherein each clamping unit ( 233 ) comprises a roller bracket ( 2331 ) and two clamping rollers. 8 . (2332), a first protruding shaft is protruded from the middle of one side of the roller bracket (2331), the first protruding shaft is rotatably connected to the sliding bracket (231), and the other side of the roller bracket (2331) Two second protruding shafts are arranged at the interval, and the two clamping rollers (2332) are sleeved on the two second protruding shafts in one-to-one correspondence, and the two clamping rollers (2332) are matched and clamped on the guide on track (22). 8 . The intelligent vehicle lighting system according to claim 7 , wherein the clamping unit ( 233 ) further comprises a second screw ( 2333 ) and a locking nut ( 2334 ) and a damping friction pad (2335), the first protruding shaft is provided with a threaded hole in the axial direction, the second screw (2333) is threaded in the threaded hole, and the damping friction pad (2335) is fixed on the second screw hole (2335). One end of the screw rod (2333), the lock nut (2334) is threadedly sleeved on the other end of the second screw rod (2333).

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