Headlamp with high stability

Abstract

The utility model discloses a headlamp with high stability, which comprises a headlamp shell, a pair of upper mounting feet is arranged on the rear side wall of the headlamp shell, a first acceleration sensor is arranged on one upper mounting foot, an optical module is arranged in the front side of the headlamp shell, and a second acceleration sensor is arranged on the other upper mounting foot. A second acceleration sensor is arranged on the optical module, and clamping mechanisms used for clamping the optical module are arranged on the two sides of the optical module respectively. According to the headlamp with the high stability, the problem that when an optical module or a reflector in the headlamp resonates, a light beam of the headlamp shakes obviously is solved, and driving safety can be guaranteed.

Description

Technical Field

[0001] The utility model relates to a headlamp with high stability, belonging to the technical field of vehicle lamps. Background Art

[0002] At present, when a vehicle is driving, the headlight housing will vibrate. In the prior art, a vibration sensor is usually used to measure the vibration amplitude of the headlight housing during driving to determine whether to change the position of the dimming component to adjust the light of the headlight. For example, the patent "Headlight Self-Balancing Component, Headlight Self-Balancing Control Method and Headlight" with application publication number CN110107860A mainly adjusts the light of the headlight by changing the position of the module when the headlight vibrates. However, there is no resonance monitoring of the optical module or reflector inside the headlight. When resonating, the optical module or reflector will have a large amplitude, causing the headlight beam to shake continuously, which is easy to dazzle and poses a safety hazard. At the same time, when the optical module or reflector inside the headlight resonates, there is no solution to further control or reduce the self-shaking amplitude of the internal optical module or reflector. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a headlamp with high stability, so as to avoid the problem of obvious shaking of the light beam of the headlamp when the optical module or reflector inside the headlamp resonates, thereby ensuring driving safety.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A headlamp with high stability comprises a headlamp housing, a pair of upper mounting feet are arranged on the rear side wall of the headlamp housing, a first acceleration sensor is arranged on one of the upper mounting feet, an optical module is arranged inside the front side of the headlamp housing, a second acceleration sensor is arranged on the optical module, and clamping mechanisms for clamping the optical module are respectively arranged on both sides of the optical module.

[0006] Furthermore, mounting columns are respectively provided on both sides of the optical module.

[0007] Furthermore, the clamping mechanism includes a mounting seat, an upper clamping block, a lower clamping block, a pin, a pull rod and a driving assembly. The mounting seat is arranged on the side of the optical module, and a mounting groove is opened in the mounting seat. The upper clamping block is fixed to the upper end of the mounting groove by a pin, and one end of the upper clamping block is rotatably connected to the pin. The lower clamping block is arranged at the lower end of the mounting groove, one end of the pull rod is connected to the upper clamping block, and the other end of the pull rod passes through the lower clamping block and the mounting groove and is connected to the driving assembly. The driving assembly is used to drive the pull rod to move up and down, and the pull rod is used to drive the other end of the upper clamping block to move downward.

[0008] Furthermore, the driving assembly includes a motor and a screw-nut pair, and the motor drives the pull rod to move up and down through the screw-nut pair.

[0009] Furthermore, a left mounting foot is provided on the left side wall of the headlight housing, and a right mounting foot is provided on the right side wall of the headlight housing.

[0010] By adopting the above technical solution, the utility model monitors the resonance of the optical module inside the headlamp through the first acceleration sensor and the second acceleration sensor, and clamps the optical module through the clamping mechanism when resonance occurs, thereby reducing the vibration amplitude of the optical module until the resonance phenomenon is eliminated, thereby ensuring the stability of the optical module during driving, avoiding the shaking of the headlight beam, and ensuring driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a front view of the headlamp with high stability of the utility model;

[0012] Figure 2 It is a schematic diagram of the cooperation between the clamping mechanism and the optical module of the utility model;

[0013] Figure 3 It is a structural schematic diagram of the clamping mechanism of the utility model. DETAILED DESCRIPTION

[0014] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0015] like Figure 1 As shown, this embodiment provides a headlamp with high stability, which includes a headlamp housing 4, a pair of upper mounting feet 41 are arranged on the rear side wall of the headlamp housing 4, a first acceleration sensor 1 is arranged on one of the upper mounting feet 41, an optical module 3 is arranged inside the front side of the headlamp housing 4, a second acceleration sensor 2 is arranged on the optical module 3, and clamping mechanisms 5 for clamping the optical module 3 are respectively arranged on both sides of the optical module 3.

[0016] The first acceleration sensor 1 is mounted on an upper mounting foot 41 of the headlamp housing 4, and the second acceleration sensor 2 is mounted on the optical module 3 inside the headlamp housing 4. The vehicle body BCM collects acceleration values ​​of the first acceleration sensor 1 and the second acceleration sensor 2 during the driving of the vehicle, and compares the acceleration values ​​collected by the two acceleration sensors. When the acceleration value of the second acceleration sensor 2 is more than twice the acceleration value of the first acceleration sensor 1, the optical module 3 is considered to have a resonance phenomenon at this time, and the optical module 3 will experience severe jitter, and the light from the headlights will continue to shake, affecting driving safety.

[0017] After the optical module 3 resonates, the vehicle body BCM sends a control signal to start the clamping mechanism 5 to clamp both sides of the optical module 3, thereby suppressing the resonance of the optical module 3. After the resonance disappears, the clamping mechanism 5 releases the optical module 3.

[0018] like Figure 1 As shown, the clamping mechanism 5 of this embodiment includes a mounting seat 10, an upper clamping block 7, a lower clamping block 6, a pin 8, a pull rod 9 and a driving assembly. The mounting seat 10 is arranged on the side of the optical module 3. A mounting groove is provided in the mounting seat 10. The upper clamping block 7 is fixed to the upper end of the mounting groove by the pin 8. One end of the upper clamping block 7 is rotatably connected to the pin 8. The lower clamping block 6 is arranged at the lower end of the mounting groove. One end of the pull rod 9 is connected to the upper clamping block 7. The other end of the pull rod 9 passes through the lower clamping block 6 and the mounting groove and is connected to the driving assembly. The driving assembly is used to drive the pull rod 9 to move up and down, and the pull rod 9 is used to drive the other end of the upper clamping block 7 to move downward. Figure 2 , 3 As shown, mounting columns 31 are respectively provided on both sides of the optical module 3, the driving assembly drives the pull rod 9 to move downward, and then the pull rod 9 drives the other end of the upper clamping block 7 to move downward, and through cooperation with the lower clamping block 6, the mounting columns 31 on both sides of the optical module 3 are clamped, so as to achieve the purpose of clamping and fixing the optical module 3, thereby eliminating the resonance phenomenon. After the resonance phenomenon is eliminated, the driving assembly drives the pull rod 9 to move upward, so that the upper clamping block 7 returns to the initial position, and the optical module 3 is released.

[0019] like Figure 3As shown, the driving assembly of this embodiment includes a motor 11 and a screw nut pair, and the motor 11 drives the pull rod 9 to move up and down through the screw nut pair. The screw nut pair is fixed below the mounting seat 10 of the clamping mechanism 5 through a mounting bracket 16, and the screw nut pair includes a screw 12, a nut 13, a guide rod 14 and a bearing seat 15. The motor 11 is fixed to the lower end of the mounting bracket 16, one end of the screw 12 is fixed to the motor 11 shaft of the motor 11, and the other end of the screw 12 is rotatably connected to the bearing seat 15, and the bearing seat 15 is fixed to the upper end of the mounting bracket 16, and a bearing is installed in the bearing seat 15. Two guide rods 14 are fixed in the mounting bracket 16 and are located on both sides of the screw 12, the nut 13 is threadedly connected to the screw 12, and the pull rod 9 is connected to the nut 13. The motor 11 drives the screw 12 to rotate, and drives the nut 13 to move up and down along the guide rod 14, thereby driving the pull rod 9 to move up and down.

[0020] like Figure 1 As shown, a left mounting foot 42 is provided on the left side wall of the headlight housing 4 of this embodiment, and a right mounting foot 43 is provided on the right side wall of the headlight housing 4. The headlight housing 4 is fixed in the front of the vehicle by two upper mounting feet 41 and the left mounting foot 42 and the right mounting foot 43.

[0021] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A headlamp with high stability, characterized in that: The headlamp housing (4) comprises a pair of upper mounting feet (41) provided on the rear side wall of the headlamp housing (4), one of the upper mounting feet (41) being provided with a first acceleration sensor (1), an optical module (3) being provided inside the front side of the headlamp housing (4), a second acceleration sensor (2) being provided on the optical module (3), and clamping mechanisms (5) for clamping the optical module (3) being provided on both sides of the optical module (3).

2. The headlamp with high stability according to claim 1, characterized in that: Mounting columns (31) are respectively provided on both sides of the optical module (3).

3. The headlamp with high stability according to claim 1, characterized in that: The clamping mechanism (5) comprises a mounting seat (10), an upper clamping block (7), a lower clamping block (6), a pin (8), a pull rod (9) and a driving assembly. The mounting seat (10) is arranged on the side of the optical module (3). A mounting groove is provided in the mounting seat (10). The upper clamping block (7) is fixed to the upper end of the mounting groove by the pin (8). One end of the upper clamping block (7) is rotatably connected to the pin (8). The lower clamping block (6) is arranged at the lower end of the mounting groove. One end of the pull rod (9) is connected to the upper clamping block (7). The other end of the pull rod (9) passes through the lower clamping block (6) and the mounting groove and is connected to the driving assembly. The driving assembly is used to drive the pull rod (9) to move up and down. The pull rod (9) is used to drive the other end of the upper clamping block (7) to move up and down.

4. The headlamp with high stability according to claim 3, characterized in that: The driving assembly comprises a motor (11) and a screw-nut pair, and the motor (11) drives the pull rod (9) to move downwards via the screw-nut pair.

5. The headlamp with high stability according to claim 1, characterized in that: A left mounting foot (42) is provided on the left side wall of the headlight housing (4), and a right mounting foot (43) is provided on the right side wall of the headlight housing (4).

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