Simple head-up display simulator
By designing a simple head-up display simulator, using electric push rods and worm gear and worm mechanisms driven by servo motors, the rapid angle adjustment of the head-up display device is achieved, solving the problem of cumbersome adjustment and testing in the prior art, and improving the testing efficiency and practicality.
Patent Information
- Application Number
- CN202421749181.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-07-23
AI Technical Summary
The angle adjustment test process of existing head-up display optics is cumbersome, and the test platform needs to be simplified to simulate the functions and effects of each device.
A simple head-up display simulator is designed, using electric push rods and worm gear mechanisms driven by servo motors to adjust the position and angle of the reflector plate, mirror and glass through the bracket and rotation shaft to achieve rapid adjustment.
It improves the working efficiency and practicality of optical device adjustment, simplifies the angle adjustment process, and improves the simulation effect of the test platform.
Smart Images

Figure CN223179739U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of head-up display simulators, and more specifically, to a simple head-up display simulator. Background Technique
[0002] The head-up display system is a magnifying optical path system. The image source is expanded by the first reflector, then expanded by the second reflector, and finally reflected into the human eye through the windshield. At this time, the human eye can see the enlarged virtual image.
[0003] When researching and developing a head-up display, it is rather cumbersome to repeatedly adjust the angle of light during testing. It is necessary to build a simple head-up display test platform for the research and development of optical devices and materials of the head-up display (Head up d i sp l ay) to simulate the functions and effects of each device and material during application. Content of the Utility Model
[0004] To make up for the above deficiencies, the utility model provides a simple head-up display simulator, aiming to improve the problem that it is rather cumbersome to repeatedly adjust the angle of light during testing, and it is necessary to build a simple head-up display test platform for the research and development of optical devices and materials of the head-up display to simulate the functions and effects of each device and material during application.
[0005] The utility model is realized as follows: A simple head-up display simulator includes a test box with an open top. A vertical plate is fixedly installed on one side of the top of the test box. Support plates are fixedly installed on both sides of the inner wall of the vertical plate and the test box. The three support plates are staggered from top to bottom on both sides. A groove is provided on one side of the support plate. A first bracket is slidably installed on the inner wall of the groove. A driving component is installed on one side of the first bracket. The first bracket is U-shaped. A first rotating shaft is rotatably installed between the two sides of the inner wall of the first bracket. An adjusting component is installed at one end of the first rotating shaft. A reflecting plate, a first reflector and glass are respectively fixedly installed on the three first rotating shafts from bottom to top. The reflecting plate is L-shaped and a diffusion screen and a second reflector are respectively fixedly installed on both sides of the inner wall. A projector is fixedly installed on one side of the bottom end of the inner wall of the test box.
[0006] In a preferred technical solution of the utility model, a dust-proof cover is installed on the top of the test box. The dust-proof cover is clamped with the inner wall of the test box, and the center of the dust-proof cover is transparent.
[0007] In a preferred technical solution of the utility model, the driving component includes an electric push rod. An installation groove is provided on the top of the support plate. The electric push rod is fixedly installed in the installation groove. The output end of the electric push rod is fixedly connected with one side of the first bracket.
[0008] In the preferred technical solution of the present utility model, sliders are symmetrically and fixedly installed on both sides of the first bracket. First sliding grooves matching with the sliders are arranged on both sides of the inner wall of the groove. Guide rods are fixedly installed between both sides of the inner wall of the first sliding groove. The sliders are slidably installed on the guide rods, and the sliders are slidably connected with the inner wall of the sliding grooves.
[0009] In the preferred technical solution of the present utility model, the adjusting assembly includes a worm gear and a worm. A first strip-shaped hole is arranged on the support plate. A second bracket is fixedly installed on one side of the slider. The second bracket is arranged in a U shape and one end thereof penetrates through one side of the inner wall of the first sliding groove and extends into the first strip-shaped hole. A second strip-shaped hole matching with the second bracket is arranged on one side of the inner wall of the first sliding groove. A second rotating shaft is fixedly installed at the bottom end of the first rotating shaft. One end of the second rotating shaft penetrates through the slider and is rotatably connected with one side of the inner wall of the second bracket. The worm gear is fixedly installed on the second rotating shaft. The worm is rotatably installed on the inner wall of the second bracket. The worm gear and the worm are in transmission connection. A rotating assembly is installed at one end of the worm. The second bracket is slidably connected with the inner wall of the second strip-shaped hole.
[0010] In the preferred technical solution of the present utility model, the second rotating shaft and the guide rod are arranged alternately in the slider. A gap is arranged between the second rotating shaft and the guide rod and they are perpendicular to each other.
[0011] In the preferred technical solution of the present utility model, the rotating assembly includes a servo motor and a telescopic rod. The servo motor is fixedly installed on one side of the inner wall of the first strip-shaped hole. The output end of the servo motor is fixedly installed with the telescopic rod. The telescopic end of the telescopic rod penetrates through the second bracket and is fixedly connected with one end of the worm.
[0012] In the preferred technical solution of the present utility model, the telescopic rod is composed of a sleeve rod and a pull rod. One end of the sleeve rod is slidably sleeved on the pull rod. A limit block is fixedly installed on the outer side of the pull rod. A limit groove matching with the limit block is arranged on the inner wall of the sleeve rod. The output end of the servo motor is fixedly installed with the sleeve rod. One end of the pull rod penetrates through the second bracket and is fixedly connected with one end of the worm. A support block is fixedly installed on the inner wall of the first strip-shaped hole. The open end of the sleeve rod fixedly penetrates through the support block.
[0013] The beneficial effects of the present utility model are as follows: A simple head-up display simulator obtained through the above design in the present utility model projects an image through a projector, and the image is projected onto a diffuser screen with or without passing through a filter for imaging. The image on the diffuser screen passes through a second reflector and a first reflector, passes through a dust-proof cover, and is projected onto the glass of the simulated windshield, and then is reflected by the glass into the observer's eyes. When it is necessary to adjust the position of each component, only need to start the corresponding electric push rod to drive the first bracket to move to adjust the reflection distance. When it is necessary to adjust the reflection angle, start the servo motor to drive the telescopic rod to rotate. The rotation of the telescopic rod drives the first rotating shaft to rotate through the cooperation of a worm, a worm gear, and a second rotating shaft. The rotation of the first rotating shaft drives the corresponding reflector, the first reflector, or the glass to rotate to adjust the angle. This device can adjust different positions and angles according to requirements for simulated observation, improving the working efficiency during simulation and also enhancing the practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.
[0015] Figure 1 FIG. is a schematic structural diagram of a simple head-up display simulator provided by an embodiment of the present utility model;
[0016] Figure 2 FIG. is a cross-sectional view of a test box provided by an embodiment of the present utility model;
[0017] Figure 3 FIG. is a schematic structural diagram of a support plate provided by an embodiment of the present utility model;
[0018] Figure 4 FIG. is a cross-sectional view of the support plate provided by an embodiment of the present utility model;
[0019] Figure 5 is Figure 4 an enlarged view of part A in
[0020] Figure 6 a working principle diagram.
[0021] In the figure: 110 - test box; 111 - vertical plate; 120 - support plate; 1201 - first rotating shaft; 121 - first bracket; 122 - reflector; 1221 - diffusion screen; 1222 - second reflector; 123 - first reflector; 124 - glass; 125 - projector; 130 - dust cover; 140 - electric push rod; 141 - slider; 142 - guide rod; 150 - worm gear; 151 - worm; 152 - first strip hole; 153 - second bracket; 154 - second rotating shaft; 155 - servo motor; 156 - telescopic rod. Specific embodiments
[0022] To make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 6 , the present utility model provides a technical solution: a simple head-up display simulator, including a test box 110 with an open top. One side of the top of the test box 110 is fixedly installed with a vertical plate 111. Support plates 120 are fixedly installed on one side of the vertical plate 111 and on both sides of the inner wall of the test box 110. The three support plates 120 are arranged in a staggered manner from top to bottom on both sides. A groove is provided on one side of the support plate 120, and a first bracket 121 is slidably installed on the inner wall of the groove. A driving component is installed on one side of the first bracket 121. The first bracket 121 is U-shaped. A first rotating shaft 1201 is rotatably installed between the two sides of the inner wall of the first bracket 121. An adjusting component is installed at one end of the first rotating shaft 1201. Reflectors 122, a first reflector 123 and glass 124 are respectively fixedly installed on the three first rotating shafts 1201 from bottom to top. The reflector 122 is L-shaped and a diffusion screen 1221 and a second reflector 1222 are respectively fixedly installed on both sides of the inner wall. A projector 125 is fixedly installed on one side of the bottom end of the inner wall of the test box 110.
[0024] In some specific implementation schemes, a dust cover 130 is installed on the top of the test box 110. The dust cover 130 is clamped with the inner wall of the test box 110. The center of the dust cover 130 is transparent. The dust cover 130 plays a role in dust prevention, preventing dust from entering the test box 110. At the same time, the clamping setting is convenient for quick installation and disassembly.
[0025] Please refer to Figure 4 and Figure 5, the driving component includes an electric push rod 140. An installation groove is provided at the top of the support plate 120, and the electric push rod 140 is fixedly installed in the installation groove. The output end of the electric push rod 140 is fixedly connected to one side of the first bracket 121. Sliders 141 are symmetrically and fixedly installed on both sides of the first bracket 121. First sliding grooves matching the sliders 141 are provided on both sides of the inner wall of the groove. Guide rods 142 are fixedly installed between the inner walls on both sides of the first sliding groove. The sliders 141 are slidably installed on the guide rods 142, and the sliders 141 are slidably connected to the inner wall of the sliding groove. The adjusting component includes a worm gear 150 and a worm 151. A first strip-shaped hole 152 is provided on the support plate 120. A second bracket 153 is fixedly installed on one side of the slider 141. The second bracket 153 is U-shaped and one end penetrates through one side of the inner wall of the first sliding groove and extends into the first strip-shaped hole 152. A second strip-shaped hole matching the second bracket 153 is provided on one side of the inner wall of the first sliding groove. A second rotating shaft 154 is fixedly installed at the bottom end of the first rotating shaft 1201. One end of the second rotating shaft 154 penetrates through the slider 141 and is rotatably connected to one side of the inner wall of the second bracket 153. The worm gear 150 is fixedly installed on the second rotating shaft 154. The worm 151 is rotatably installed on the inner wall of the second bracket 153. The worm gear 150 and the worm 151 are in transmission connection. A rotating component is installed at one end of the worm 151. The second bracket 153 is slidably connected to the inner wall of the second strip-shaped hole. The second rotating shaft 154 and the guide rod 142 are staggeredly arranged in the slider 141. There is a gap between the second rotating shaft 154 and the guide rod 142 and they are perpendicular to each other.
[0026] In some specific implementation schemes, the rotating component includes a servo motor 155 and a telescopic rod 156. The servo motor 155 is fixedly installed on one side of the inner wall of the first strip-shaped hole 152. The output end of the servo motor 155 is fixedly installed with the telescopic rod 156. The telescopic end of the telescopic rod 156 penetrates through the second bracket 153 and is fixedly connected to one end of the worm 151, which is convenient for automatically adjusting the rotation of the first rotating shaft 1201 through the servo motor 155 so as to adjust the reflection angle.
[0027] In some specific implementation schemes, the telescopic rod 156 is composed of a sleeve rod and a pull rod. One end of the sleeve rod is slidably sleeved on the pull rod. A limit block is fixedly installed on the outer side of the pull rod. A limit groove matching the limit block is provided on the inner wall of the sleeve rod. The output end of the servo motor 155 is fixedly installed with the sleeve rod. One end of the pull rod penetrates through the second bracket 153 and is fixedly connected to one end of the worm 151. A support block is fixedly installed on the inner wall of the first strip-shaped hole 152. The open end of the sleeve rod fixedly penetrates through the support block, which is convenient for the telescopic rod 156 to synchronously expand and contract and rotate synchronously when moving with the second bracket 153.
[0028] Working principle: When in use, the projector 125 projects light onto the diffuser screen 1221. The image on the diffuser screen 1221 is reflected onto the glass 124 through the second mirror 1222 and the first mirror 123 in sequence. When it is necessary to adjust the position of each component, only the corresponding electric push rod 140 needs to be activated to drive the first bracket 121 to move, thereby adjusting the reflection distance. When it is necessary to adjust the reflection angle, the servo motor 155 is activated to drive the telescopic rod 156 to rotate. The rotation of the telescopic rod 156 drives the first rotating shaft 1201 to rotate through the cooperation of the worm 151, the worm gear 150 and the second rotating shaft 154. The rotation of the first rotating shaft 1201 drives the corresponding reflector 122, the first mirror 123 or the glass 124 to rotate and adjust the angle.
[0029] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A simple head-up display simulator, including a test box with an open top, characterized in that, On one side of the top end of the test box, a vertical plate is fixedly installed. On one side of the vertical plate and on both sides of the inner wall of the test box, support plates are fixedly installed. The three support plates are arranged staggeredly from top to bottom on both sides. A groove is provided on one side of the support plate. A first bracket is slidably installed on the inner wall of the groove. A driving component is installed on one side of the first bracket. The first bracket is arranged in a U shape. A first rotating shaft is rotatably installed between both sides of the inner wall of the first bracket. An adjusting component is installed at one end of the first rotating shaft. Reflective plates, a first reflector, and glass are fixedly installed on the three first rotating shafts from bottom to top respectively. The reflective plate is arranged in an L shape and a diffusing screen and a second reflector are fixedly installed on both sides of the inner wall respectively. A projector is fixedly installed on one side of the bottom end of the inner wall of the test box.
2. The simple head-up display simulator according to claim 1, characterized in that, A dust-proof cover is installed on the top end of the test box. The dust-proof cover is snap-connected to the inner wall of the test box. The center of the dust-proof cover is transparent.
3. The simple head-up display simulator according to claim 1, characterized in that, The driving component includes an electric push rod. An installation groove is provided at the top end of the support plate. The electric push rod is fixedly installed in the installation groove. The output end of the electric push rod is fixedly connected to one side of the first bracket.
4. The simple head-up display simulator according to claim 1, characterized in that, Sliders are symmetrically and fixedly installed on both sides of the first bracket. First chutes matching the sliders are provided on both sides of the inner wall of the groove. A guide rod is fixedly installed between both sides of the inner wall of the first chute. The slider is slidably installed on the guide rod.
5. The simple head-up display simulator according to claim 4, characterized in that, The adjusting component includes a worm gear and a worm. A first strip-shaped hole is provided on the support plate. A second bracket is fixedly installed on one side of the slider. The second bracket is arranged in a U shape and one end thereof penetrates through one side of the inner wall of the first chute and extends into the first strip-shaped hole. A second strip-shaped hole matching the second bracket is provided on one side of the inner wall of the first chute. A second rotating shaft is fixedly installed at the bottom end of the first rotating shaft. One end of the second rotating shaft penetrates through the slider and is rotatably connected to one side of the inner wall of the second bracket. The worm gear is fixedly installed on the second rotating shaft. The worm is rotatably installed on the inner wall of the second bracket. The worm gear and the worm are in transmission connection. A rotating component is installed at one end of the worm.
6. The simple head-up display simulator according to claim 5, characterized in that The second rotating shaft and the guide rod are arranged staggeredly in the slider. A gap is provided between the second rotating shaft and the guide rod and they are perpendicular to each other.
7. The simple head-up display simulator according to claim 5, wherein The rotating component includes a servo motor and a telescopic rod. The servo motor is fixedly installed on one side of the inner wall of the first strip-shaped hole. The output end of the servo motor is fixedly installed with the telescopic rod. The telescopic end of the telescopic rod penetrates through the second bracket and is fixedly connected to one end of the worm.
8. A simple head-up display simulator according to claim 7, characterized in that, The telescopic rod is composed of a sleeve rod and a pull rod. One end of the sleeve rod is slidably sleeved on the pull rod. A limiting block is fixedly installed on the outer side of the pull rod. A limiting groove matching the limiting block is provided on the inner wall of the sleeve rod. The output end of the servo motor is fixedly installed with the sleeve rod. One end of the pull rod penetrates through the second bracket and is fixedly connected to one end of the worm.