Simple HUD test platform secondary reflector rotation adjusting device

Abstract

The utility model discloses a simple HUD test platform secondary reflector rotation adjusting device, and relates to the HUD test equipment technology field, the simple HUD test platform secondary reflector rotation adjusting device comprises a pedestal, the pedestal is provided with a primary reflector and a secondary reflector, a light emitting surface is arranged between the primary reflector and the secondary reflector, and the primary reflector and the secondary reflector are arranged on the pedestal. And an adjusting assembly for adjusting the angle of the secondary reflector is arranged on the base. According to the HUD test platform, the adjusting assembly works to enable the secondary reflector to rotate, so that accurate angle adjustment of the secondary reflector is realized, light rays generated by the light emitting surface are reflected to the secondary reflector from the primary reflector, accurate adjustment of a light path is realized, and test result data of the HUD test platform are more accurate and higher in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field especially relates to a simple HUD test platform secondary reflector rotation adjusting device. BACKGROUND

[0002] HUD (Head-Up Display, head-up display) technology originates from the military field, and is initially used on the airplane. It projects important flight information such as height, speed, heading, etc. on the windshield through optical reflection principle, so that the pilot can maintain horizontal line of sight and observe the information on the instrument panel, avoiding frequent head-up, head-down, and thus distraction. In recent years, HUD technology has gradually entered the automotive field, and the concept is similar to the airplane HUD. The car HUD can map important information such as navigation, messages, WeChat, telephone, etc. on the windshield during driving, so that the driver can see the important information without having to lower his head. With the continuous maturity of technology, the average price of HUD is gradually reduced, and it is expected to accelerate the penetration of low-end vehicles in the future. At the same time, the function of AR-HUD will also change with the development of intelligent driving, from safety assistance to life interaction. For the principle research of HUD or some functional research of enterprises, it is more or less necessary to make some hand plate samples for effect verification and build a test platform.

[0003] Most of the existing test platforms are basically based on whole machine testing, which requires the design of a complete set of HUD components. Whether it is a mold piece or a hand plate piece, it needs to invest a lot of cost. Especially the secondary reflector rotation adjusting mechanism in the HUD whole machine, in order to meet the visual needs of people of different heights, the secondary reflector needs to be rotated and adjusted by a certain angle according to the eye box range, and the maximum can reach plus or minus three degrees. The HUD whole machine has high integration, and needs to realize automatic adjustment of touch control. All use motor scheme, including gear transmission, gear and worm cooperation transmission, screw rod transmission, etc. The corresponding program needs to be designed according to the motor step length to realize control. The corresponding connector needs to be made on the corresponding circuit board, and the motor characteristics need to be understood. In the early stage of testing, the motor adjustment often has problems such as not being adjusted to the right position, or the position being offset after reset.

[0004] HUD light path imaging inspection device is disclosed in the publication No. CN207817310U on September 4, 2018, comprising: simulation device simulating front windshield, first guide rail arranged opposite to the simulation device, light machine device for setting light machine, imaging mirror device for imaging, and at least one mirror device for reflecting light path;Wherein, the light machine device, the imaging mirror device, the mirror device are provided with detachable fixing members with the guide rail;The light machine device, the imaging mirror device and the mirror device are provided with the first adjusting mechanism for adjusting the height of itself;The mirror device and the simulation device are provided with the second adjusting mechanism for adjusting the angle of itself.The angle adjusting device of the mirror device disclosed in the above cannot accurately adjust the angle of the mirror, and the practicability is poor. SUMMARY

[0005] The utility model discloses a simple and easy HUD test platform secondary mirror rotation adjusting device with higher practicability.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model to solve its technical problems is: a simple and easy HUD test platform secondary mirror rotation adjusting device, comprising a base, a primary mirror and a secondary mirror are arranged on the base, a light emitting surface is arranged between the primary mirror and the secondary mirror, and an adjusting assembly for adjusting the angle of the secondary mirror is arranged on the base.

[0007] A second bracket is arranged on the base, a rotating shaft is arranged on the secondary mirror, a rotating groove matched with the rotating shaft is arranged on the second bracket, and the rotating shaft is placed in the rotating groove.

[0008] The adjusting assembly comprises a stand arranged on the base, a threaded seat is arranged on the stand, a screw rod is arranged on the threaded seat, and an abutting block in contact with the screw rod is arranged on the secondary mirror.

[0009] The end of the screw rod away from the abutting block is provided with a handle.

[0010] A first bracket is arranged on the base, and a windscreen is arranged on the first bracket.

[0011] The primary mirror and the secondary mirror are arranged opposite to each other, the primary mirror and the secondary mirror are arranged on the lower side of the windscreen, and the primary mirror, the secondary mirror and the windscreen are all arranged obliquely.

[0012] A support seat is arranged on the base, the support seat is connected with the primary mirror, the other end of the primary mirror is provided with a side seat, and the side seat is connected with the first bracket.

[0013] The utility model discloses the beneficial effect is:

[0014] The working of adjusting component makes the secondary reflector rotate, and then realizes the accurate angle adjustment of secondary reflector, thereby make the light of luminous surface produce from the secondary reflector on the first reflector, thereby realize the accurate adjustment of light path, thereby realize the test result data of HUD test platform is more accurate, and the practicality is higher.

[0015] Through the cooperation of vertical seat, threaded seat and screw rod, the angle of secondary reflector is accurately adjusted, the structure is simple, the manufacturing cost is low, and because threaded seat and screw rod have self-locking function, the convenient fixing after secondary reflector angle adjustment can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure diagram of simple HUD test platform secondary reflector rotation adjusting device of the utility model.

[0017] Figure 2 It is Figure 1 The structure diagram of simple part sealing mechanism of the utility model.

[0018] Figure 3 It is Figure 2 The side view of the utility model.

[0019] In the drawing, 1 is base, 2 is first support, 3 is windshield, 4 is luminous surface, 5 is first reflector surface, 6 is secondary reflector surface, 7 is second support, 8 is pivot, 9 is rotation slot, 10 is vertical seat, 11 is screw rod, 12 is abutment block, 13 is threaded seat, 14 is handle, 15 is support seat, 16 is side seat. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the following is in combination with the drawings and example, and the utility model is further detailedly explained.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0021] The specific implementation of the utility model is described in detail in combination with specific examples.

[0022] For example, Figures 1-3As shown, the simple HUD test platform secondary mirror rotating adjusting device, including base 1, the base 1 is equipped with a primary mirror 5 and secondary mirror 6, the primary mirror 5 and secondary mirror 6 between the light emitting surface 4 is equipped, the base 1 is equipped with adjusting component that adjusts the angle of secondary mirror 6, specifically, the light emitting surface 4 is the imaging unit imaging surface, the light emitting form is specifically TFT screen or LCOS light machine or DLP light machine, in the embodiment, the light emitting surface 4 is TFT screen, the image generated by the light emitting surface 4 is reflected by the primary mirror 5 and secondary mirror 6, so as to test the light path between the primary mirror 5 and secondary mirror 6.

[0023] When using, the adjusting component works to make the secondary mirror 6 rotate, and then realize the accurate angle adjustment of the secondary mirror 6, so that the light generated by the light emitting surface 4 is reflected from the primary mirror 5 to the secondary mirror 6, so as to realize the accurate adjustment of the light path, so as to realize the test result data of the HUD test platform is more accurate, and the practicality is higher.

[0024] Referring to Figure 2 And 3 , the base 1 is equipped with the second support 7, the secondary mirror 6 is equipped with the rotating shaft 8, the second support 7 is equipped with the rotating groove 9 matched with the rotating shaft 8, the rotating shaft 8 is placed in the rotating groove 9, the rotation of the secondary mirror 6 on the base 1 is realized through the cooperation of the rotating shaft 8 and the rotating groove 9, specifically, the base 1 is welded with two second supports 7, the cross section of the rotating groove 9 is semicircular, so that the rotating shaft 8 can directly fall into the rotating groove 9, so as to realize the convenient disassembly of the secondary mirror 6 and the second support 7, in the embodiment, the rotating shaft 8 is provided with two, and the second support 7 is provided with two.

[0025] The adjusting component includes a stand 10 arranged on the base 1, a threaded seat 13 arranged on the stand 10, a screw rod 11 arranged on the threaded seat 13, and an abutting block 12 arranged on the secondary mirror 6 and in contact with the screw rod 11. Rotating the screw rod 11 makes the screw rod 11 rotate on the threaded seat 13 while moving along the axial direction of the screw rod 11, thereby pressing the abutting block 12 on the secondary mirror 6. The movement of the abutting block 12 causes the secondary mirror 6 to rotate, thereby adjusting the angle of the secondary mirror 6. Specifically, the stand 10 is welded to the base 1, the screw rod 11 is threadedly connected to the threaded seat 13, and the threaded seat 13 is welded to the stand 10. Since the threaded seat 13 and the screw rod 11 have a self-locking function, the secondary mirror 6 can be conveniently fixed after the angle adjustment.

[0026] The end of the screw rod 11 away from the abutting block 12 is provided with a handle 14, so as to facilitate the rotation of the screw rod 11 by holding the handle 14. Specifically, the screw rod 11 is welded to the handle 14.

[0027] The base 1 is provided with a first bracket 2, and the first bracket 2 is provided with a windshield 3. The windshield 3 protects the first-level reflector 5 and the second-level reflector 6, thereby achieving stable HUD testing. Specifically, there are four first brackets 2, and the four first brackets 2 are connected to the four corners of the windshield 3. Specifically, the first brackets 2 are welded to the base 1.

[0028] The primary reflector 5 and the secondary reflector 6 are arranged opposite each other. The primary reflector 5 and the secondary reflector 6 are located on the lower side of the windshield 3. The primary reflector 5, the secondary reflector 6 and the windshield 3 are all arranged at an angle, so as to ensure that the windshield 3 can stably perform its protective work while the light can be stably transmitted between the primary reflector 5 and the secondary reflector 6.

[0029] The base 1 is provided with a support seat 15, which is connected to the first-stage reflector 5. The other end of the first-stage reflector 5 is provided with a side seat 16, which is connected to the first bracket 2. The first-stage reflector 5 is stably placed on the base 1 through the support seat 15 and the side seat 16. Specifically, the support seat 15 is welded to the base 1, and the side seat 16 is welded to the first bracket 2.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A simple HUD test platform secondary mirror rotation adjusting device, comprising a base (1), a primary mirror (5) and a secondary mirror (6) are arranged on the base (1), a light emitting surface (4) is arranged between the primary mirror (5) and the secondary mirror (6), characterized in that, The base (1) is provided with an adjusting assembly for adjusting the angle of the secondary reflector (6), the base (1) is provided with a second support (7), the secondary reflector (6) is provided with a rotating shaft (8), the second support (7) is provided with a rotating groove (9) matched with the rotating shaft (8), the rotating shaft (8) is placed in the rotating groove (9), the adjusting assembly comprises a vertical seat (10) arranged on the base (1), the vertical seat (10) is provided with a threaded seat (13), the threaded seat (13) is provided with a screw rod (11), the secondary reflector (6) is provided with an abutting block (12) in contact with the screw rod (11).

2. The simple HUD test platform secondary mirror rotation adjustment device of claim 1, wherein, The end of the screw rod (11) away from the abutting block (12) is provided with a handle (14).

3. The simple HUD test platform secondary mirror rotation adjustment device according to any one of claims 1-2, characterized in that, The base (1) is provided with a first support (2), and the first support (2) is provided with a wind deflector (3).

4. The simple HUD test platform secondary mirror rotation adjustment device of claim 3, wherein, The primary reflector (5) and the secondary reflector (6) are oppositely arranged, the primary reflector (5) and the secondary reflector (6) are arranged on the lower side of the wind deflector (3), and the primary reflector (5), the secondary reflector (6) and the wind deflector (3) are all obliquely arranged.

5. The simple HUD test platform secondary mirror rotation adjustment device of claim 4, wherein, The base (1) is provided with a supporting seat (15), the supporting seat (15) is connected with the primary reflector (5), the other end of the primary reflector (5) is provided with a side seat (16), and the side seat (16) is connected with the first support (2).

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