Vehicle-mounted ultra-near field projection module

Abstract

The utility model discloses a vehicle-mounted ultra-near-field projection module. The vehicle-mounted ultra-near-field projection module comprises a module support, an expansion lens support, an outer support, a light source module, an upper reflector, a lower reflector, an angle adjusting mechanism and a control assembly. The light source module is connected with the rear end of the module support, the expansion lens support is arranged at the front end of the module support, and the outer support is arranged at the front end of the expansion lens support. The upper reflecting mirror and the lower reflecting mirror are located in an inner cavity of the outer support, the upper reflecting mirror is fixedly connected with the inner wall of the outer support, the lower reflecting mirror is connected with the angle adjusting mechanism, the angle adjusting mechanism is fixed in the inner cavity of the outer support, and the angle adjusting mechanism is used for adjusting the reflecting angle of the lower reflecting mirror; the control assembly is fixed in an inner cavity of the outer support. The utility model provides a vehicle-mounted ultra-near-field projection module which can adjust a projection angle and realize an ultra-near-field greeting projection function.

Description

Technical Field

[0001] The utility model relates to a vehicle-mounted ultra-near-field projection module, and belongs to the field of vehicle lamp design. Background Art

[0002] At present, with the continuous development of car lighting technology, car front lights with projection function have gradually become standard configurations for mid- to high-end cars, and can project information such as images and text onto the road ahead.

[0003] However, since existing projection lamps have relatively simple functions, few usage scenarios, and fixed projection angles, they cannot meet the growing needs of users and the actual experience is poor. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a vehicle-mounted ultra-near-field projection module, which can adjust the projection angle to achieve an ultra-near-field welcoming projection function.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A vehicle-mounted ultra-near-field projection module comprises a module bracket, an expansion lens bracket, an external bracket, a light source module, an upper reflector, a lower reflector, an angle adjustment mechanism and a control component;

[0007] The light source module is connected to the rear end of the module bracket, the extended lens bracket is arranged at the front end of the module bracket, and the external bracket is arranged at the front end of the extended lens bracket;

[0008] The upper reflector and the lower reflector are located in the inner cavity of the outer bracket, the upper reflector is fixedly connected to the inner wall of the outer bracket, the lower reflector is connected to an angle adjustment mechanism, the angle adjustment mechanism is fixed in the inner cavity of the outer bracket, and the angle adjustment mechanism is used to adjust the reflection angle of the lower reflector;

[0009] The control component is fixed in the inner cavity of the outer bracket, and is used to detect the reflection angle of the lower reflector and control the action of the angle adjustment mechanism.

[0010] Furthermore, the upper reflector has the same structure as the lower reflector, and the lower reflector comprises a plastic tray and a reflective lens, and the reflective lens is fixed on the plastic tray.

[0011] Furthermore, the angle adjustment mechanism includes a motor, a driving gear, a first transmission gear and a second transmission gear, the driving gear is fixed on the motor shaft of the motor, the first transmission gear is meshed with the driving gear, the second transmission gear is meshed with the first transmission gear, a rotating shaft is fixed on the second transmission gear, and the lower reflector is fixed on the rotating shaft.

[0012] Furthermore, the control component includes a Hall sensor and a PCB board, the PCB board is fixed in the inner cavity of the outer bracket, the Hall sensor is electrically connected to the PCB board, and the Hall sensor is used to detect the rotation angle of the shaft.

[0013] Furthermore, the material of the extended lens bracket is black PC material.

[0014] Furthermore, the outer bracket is made of black PC material.

[0015] Furthermore, a decorative lens is provided at the front end of the outer bracket.

[0016] Furthermore, the decorative lens is made of transparent PC material, and both sides of the decorative lens are coated with anti-reflection films.

[0017] The above technical solution is adopted. The utility model controls the action of the angle adjustment mechanism through the control component, and the angle adjustment mechanism adjusts the reflection angle of the lower reflector, and detects the rotation angle of the lower reflector through the Hall sensor. When the vehicle is in the driving or parking state, the light source module directly projects forward. When the vehicle is in the welcoming state, the light emitted by the light source module is projected to the ground after secondary reflection, realizing the function of ultra-near-field projection welcoming. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of a vehicle-mounted ultra-near-field projection module of the utility model;

[0019] Figure 2 for Figure 1 Exploded diagram of

[0020] Figure 3 It is a structural schematic diagram of the angle adjustment mechanism of the utility model;

[0021] Figure 4 It is a light path diagram of the utility model in the driving state;

[0022] Figure 5 This is a light path diagram of the utility model in the welcoming state. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1 , 2 As shown, this embodiment provides a vehicle-mounted ultra-near-field projection module, which includes a module bracket 2, an extended lens bracket 3, an external bracket 6, a light source module 1, an upper reflector 4, a lower reflector 5, an angle adjustment mechanism and a control component.

[0025] like Figure 1 , 2 As shown, the light source module 1 of this embodiment is connected to the rear end of the module bracket 2, and the light source module 1 has megapixels. The extended lens bracket 3 is arranged at the front end of the module bracket 2, and the outer bracket 6 is arranged at the front end of the extended lens bracket 3. The front end of the outer bracket 6 is provided with a decorative lens 7. Ultrasonic welding or screw locking can be used between the light source module 1, the module bracket 2, the extended lens bracket 3, the outer bracket 6 and the decorative lens 7. Among them, the material of the extended lens bracket 3 of this embodiment is black PC material, and the material of the outer bracket 6 is black PC material. The material of the decorative lens 7 is transparent PC material, and the double sides of the decorative lens 7 are coated with anti-reflection film, and the transmittance is greater than 98%.

[0026] like Figure 1 , 2 As shown, the upper reflector 4 and the lower reflector 5 of this embodiment are located in the inner cavity of the outer bracket 6, the upper reflector 4 is fixedly connected to the inner wall of the outer bracket 6, and the lower reflector 5 is connected to the angle adjustment mechanism, which is fixed in the inner cavity of the outer bracket 6 and is used to adjust the reflection angle of the lower reflector 5. Figure 3 As shown, the upper reflector 4 and the lower reflector 5 of this embodiment have the same structure. The lower reflector 5 includes a plastic tray 51 and a reflective lens. The reflective lens is fixed on the plastic tray 51. Figure 4 As shown, when the vehicle is in a driving or parking state, the light source module 1 emits light forward from the middle of the two reflectors to illuminate the road surface or perform image projection. Figure 5 As shown, when the vehicle is in the welcoming state, the angle of the upper reflector 4 of this embodiment is fixed, and the light emitted by the light source module 1 first shines on the lower reflector 5, and then the lower reflector 5 reflects the light to the upper reflector 4, and then the upper reflector 4 reflects the light to the ground plane. The light of the light source module 1 is reflected twice to realize the function of ultra-near-field projection welcoming.

[0027] like Figure 3 As shown, the angle adjustment mechanism of this embodiment includes a motor 81, a driving gear 82, a first transmission gear 83 and a second transmission gear 84. The driving gear 82 is fixed on the motor 81 shaft of the motor 81, the first transmission gear 83 is meshed with the driving gear 82, the second transmission gear 84 is meshed with the first transmission gear 83, a rotating shaft 85 is fixed on the second transmission gear 84, and the plastic tray 51 of the lower reflector 5 is fixed on the rotating shaft 85.

[0028] like Figure 3As shown, the control component of this embodiment is fixed in the inner cavity of the outer bracket 6, and the control component is used to detect the reflection angle of the lower reflector 5 and control the action of the angle adjustment mechanism. The control component of this embodiment includes a Hall sensor 9 and a PCB board 10. The PCB board 10 is fixed in the inner cavity of the outer bracket 6. The Hall sensor 9 is electrically connected to the PCB board 10. The Hall sensor 9 is used to detect the rotation angle of the shaft 85. An MCU module is arranged on the PCB. The MCU module drives the shaft 85 to rotate through the motor 81 driving circuit, and the shaft 85 drives the lower reflector 5 to rotate. The Hall sensor 9 is used to detect the rotation angle of the lower reflector 5 in real time, and the rotation angle is 0 to 30°.

[0029] 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 vehicle-mounted ultra-near-field projection module, characterized in that: It comprises a module bracket (2), an extended lens bracket (3), an external bracket (6), a light source module (1), an upper reflector (4), a lower reflector (5), an angle adjustment mechanism and a control component; The light source module (1) is connected to the rear end of the module bracket (2), the extended lens bracket (3) is arranged at the front end of the module bracket (2), and the external bracket (6) is arranged at the front end of the extended lens bracket (3); The upper reflector (4) and the lower reflector (5) are located in the inner cavity of the outer bracket (6); the upper reflector (4) is fixedly connected to the inner wall of the outer bracket (6); the lower reflector (5) is connected to an angle adjustment mechanism, the angle adjustment mechanism is fixed in the inner cavity of the outer bracket (6), and the angle adjustment mechanism is used to adjust the reflection angle of the lower reflector (5); The control component is fixed in the inner cavity of the outer bracket (6), and is used to detect the reflection angle of the lower reflector (5) and control the action of the angle adjustment mechanism.

2. The vehicle-mounted ultra-near-field projection module according to claim 1, characterized in that: The upper reflector (4) has the same structure as the lower reflector (5); the lower reflector (5) comprises a plastic tray (51) and a reflective lens; the reflective lens is fixed on the plastic tray (51).

3. The vehicle-mounted ultra-near-field projection module according to claim 1, characterized in that: The angle adjustment mechanism comprises a motor (81), a driving gear (82), a first transmission gear (83) and a second transmission gear (84); the driving gear (82) is fixed on a motor (81) shaft of the motor (81); the first transmission gear (83) is meshed with the driving gear (82); the second transmission gear (84) is meshed with the first transmission gear (83); a rotating shaft (85) is fixed on the second transmission gear (84); and the lower reflector (5) is fixed on the rotating shaft (85).

4. The vehicle-mounted ultra-near-field projection module according to claim 3, characterized in that: The control component comprises a Hall sensor (9) and a PCB board (10), wherein the PCB board (10) is fixed in the inner cavity of the outer bracket (6), the Hall sensor (9) is electrically connected to the PCB board (10), and the Hall sensor (9) is used to detect the rotation angle of the rotating shaft (85).

5. The vehicle-mounted ultra-near-field projection module according to claim 1, characterized in that: The material of the extended lens bracket (3) is black PC material.

6. The vehicle-mounted ultra-near-field projection module according to claim 1, characterized in that: The outer bracket (6) is made of black PC material.

7. The vehicle-mounted ultra-near-field projection module according to claim 1, characterized in that: A decorative lens (7) is provided at the front end of the outer bracket (6).

8. The vehicle-mounted ultra-near-field projection module according to claim 7, characterized in that: The decorative lens (7) is made of transparent PC material, and both sides of the decorative lens (7) are coated with anti-reflection films.

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