HUD display screen white balance calibration device

Abstract

The utility model belongs to the technical field of HUD display screen calibration equipment, and particularly relates to an HUD display screen white balance calibration device which comprises a box body, a mounting groove is formed in one side of the box body, a box door is rotatably mounted at the inner bottom of the mounting groove, two mounting lugs are fixed to one side of the box door and located in the box body, and the box door is provided with a mounting groove. A first rotating shaft is rotatably mounted between the outer walls of the two mounting lugs, an adjusting frame is fixed to the outer wall of the first rotating shaft, an inserting groove is formed in one side of the adjusting frame, and a detachable reflective mirror is arranged in the inserting groove; a connecting groove is formed in the bottom of the adjusting frame, a first worm gear is fixed to the position, located in the connecting groove, of the outer wall of the first rotating shaft, a second rotating shaft is rotationally installed on the outer wall of the box door and located below the adjusting frame in a penetrating mode, and a first worm meshed with the first worm gear is fixed to the outer wall of the second rotating shaft. According to the utility model, multi-angle testing can be realized, optical elements can be rapidly replaced, and the calibration precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to HUD display screen calibration equipment technical field, concretely relates to a kind of HUD display screen white balance calibration device. BACKGROUND

[0002] HUD display screen is widely used in automobile, aviation and other fields, provides convenient information display for user;In the production and use process of HUD display screen, white balance calibration is crucial, it directly influences the accuracy of display screen color and visual effect.

[0003] Problems of prior art exist:

[0004] The existing HUD display screen white balance calibration device, there is inconvenient light path adjustment, operation is complex and adjustment range is limited, part calibration device when adjusting light path angle, need to use professional tool and carry out tedious parameter setting, not only consume a lot of time, and difficult to realize accurate adjustment, difficult to meet the diversified testing needs, influence calibration effect. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of HUD display screen white balance calibration device, can realize multi-angle test, quickly replace optical element, and improve calibration precision.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A kind of HUD display screen white balance calibration device, including box, the side of the box is equipped with mounting slot, the inner bottom of the mounting slot is rotatably installed with box door, the side of the box door and in the box is fixed with two mounting ears, first rotation shaft is rotatably installed between the outer wall of two mounting ears, the outer wall of the first rotation shaft is fixed with adjusting frame, the side of the adjusting frame is equipped with insertion slot, the inside of the insertion slot is provided with detachable reflector;

[0008] The bottom of the adjusting frame is equipped with connecting slot, the outer wall of the first rotation shaft is fixed with first worm wheel in the connecting slot, the outer wall of the box door and below the adjusting frame is rotatably installed with second rotation shaft, the outer wall of the second rotation shaft is fixed with the first worm gear meshing with first worm wheel.

[0009] The outer wall of the box is provided with protective shell, the second rotation shaft is fixed with second worm gear in one end of the protective shell, the inner top of the protective shell is rotatably installed with third rotation shaft, the bottom end of the third rotation shaft is provided with the second worm wheel meshing with second worm gear, the top end of the third rotation shaft and above the protective shell are provided with pointer, the top of the protective shell is provided with angle scale dial with third rotation shaft as center.

[0010] The outer wall of the adjusting frame is provided with a fixing groove, and the inner side of the fixing groove is provided with an arc-shaped elastic buckle.

[0011] The inner bottom of the box body is provided with a prism, the bottom of the prism is provided with a roller, the inner bottom of the box body is fixed with a guide rail matched with the roller, the outer wall of the box body is screwed with a threaded rod, one end of the threaded rod is rotationally connected with the prism, one side of the prism is provided with a guide rod, one end of the guide rod penetrates through the outer wall of the box body, and the outer wall of the guide rod is provided with a scale line.

[0012] The top of the box body is provided with a test hole, and the two inner sides of the box body and above the reflector are provided with detachable TFT display screens.

[0013] The first worm gear and the second worm gear have the same number of teeth, and the first worm and the second worm have the same number of spiral slots.

[0014] The utility model discloses the technical effect achieved is:

[0015] The utility model discloses a rotating wheel is arranged on the second pivot, can drive the second pivot rotation, further drive the first worm and the second worm synchronous rotation, and the first worm drives the first worm wheel rotation, realizes the multi -angle rotation of reflector, supports multi -angle test, has improved the flexibility of equipment use, the first worm wheel and the second worm wheel have the same number of teeth, and the first worm and the second worm have the same number of spiral slots, so that when the second worm drives the second worm wheel rotation, the angle of rotation of the pointer is same with the angle of rotation of reflector, and cooperation angle scale disc can accurately adjust the angle of reflector, improve the calibration accuracy.

[0016] The utility model discloses a rotating threaded rod, cooperation roller and guide rail can drive prism steady movement, enhance the compatibility of device to different HUD light path, and guide rod and the scale line on it can accurately adjust the position of prism, further improve the calibration effect. DRAWINGS

[0017] Figure 1 It is the front view three -dimensional structure schematic diagram of the utility model, and it is the front view three -dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the side view sectional view of the utility model;

[0019] Figure 3 It is the three -dimensional structure schematic diagram of the adjusting frame of the utility model;

[0020] Figure 4 It is the internal structure schematic diagram of the protective shell of the utility model.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, box; 2, test hole; 3, TFT display screen; 4, mounting groove; 5, box door; 6, adjusting frame; 7, reflector; 8, fixing groove; 9, arc-shaped elastic buckle; 10, first rotating shaft; 11, first worm wheel; 12, second rotating shaft; 13, first worm; 14, second worm; 15, protective shell; 16, second worm wheel; 17, third rotating shaft; 18, pointer; 19, angle scale; 20, prism; 21, roller; 22, guide rail; 23, threaded rod; 24, guide rod. DETAILED DESCRIPTION

[0023] In order to make the purpose and advantages of the utility model more clear and obvious, the following will be specifically explained by combining with the embodiment. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model specifically requested.

[0024] As shown in Figures 1-4 A HUD display screen white balance calibration device, comprising a box 1, the box 1 is provided with a mounting groove 4 on one side, the inner bottom of the mounting groove 4 is rotatably installed with a box door 5, two mounting ears are fixed on one side of the box door 5 and located in the box 1, a first rotating shaft 10 is rotatably installed between the outer walls of the two mounting ears, an adjusting frame 6 is fixed on the outer wall of the first rotating shaft 10, a plug-in slot is formed on one side of the adjusting frame 6, and a detachable reflector 7 is arranged in the plug-in slot; a test hole 2 is arranged on the top of the box 1, and a detachable TFT display screen 3 is arranged on the two inner sides of the box 1 and above the reflector 7;

[0025] A connecting groove is formed in the bottom of the adjusting frame 6, a first worm wheel 11 is fixed on the outer wall of the first rotating shaft 10 and located in the connecting groove, a second rotating shaft 12 is rotatably installed through the outer wall of the box door 5 and located below the adjusting frame 6, and a first worm 13 engaged with the first worm wheel 11 is fixed on the outer wall of the second rotating shaft 12;

[0026] A protective shell 15 is arranged on the outer wall of the box 1, a second worm 14 is fixed on one end of the second rotating shaft 12 and located in the protective shell 15, a third rotating shaft 17 is rotatably installed through the inner top of the protective shell 15, a second worm wheel 16 engaged with the second worm 14 is arranged at the bottom end of the third rotating shaft 17, a pointer 18 is arranged at the top end of the third rotating shaft 17 and located above the protective shell 15, and an angle scale 19 is arranged on the top of the protective shell 15 and centered on the third rotating shaft 17;

[0027] The number of teeth of the first worm wheel 11 and the second worm wheel 16 is the same, and the number of spiral slots of the first worm 13 and the second worm 14 is the same, so that the angle of rotation of the pointer 18 is the same as the angle of rotation of the reflector 7, facilitating accurate adjustment of the angle of the reflector 7.

[0028] According to the above structure, the rotating wheel arranged on the second rotating shaft 12 is rotated, and the second rotating shaft 12 is driven to rotate, the first worm 13 and the second worm 14 are synchronously rotated, the first worm 13 drives the first worm wheel 11 to rotate, the first worm wheel 11 drives the first rotating shaft 10 to rotate, the first rotating shaft 10 drives the adjusting frame 6 to rotate, the adjusting frame 6 drives the mirror 7 to rotate, and the angle of the mirror 7 is adjusted, supporting multi-angle testing, improving the flexibility of the device, and at the same time, the second worm 14 drives the second worm wheel 16 to rotate, the second worm wheel 16 drives the pointer 18 on the third rotating shaft 17 to rotate, and the angle of the mirror 7 can be accurately adjusted by cooperating with the angle scale disc 19, increasing the practicability of the device.

[0029] As shown in Figures 2-3 , the outer wall of the adjusting frame 6 is provided with a fixed groove 8, the inner side of the fixed groove 8 is provided with an arc-shaped elastic buckle 9, and the outer wall of the mirror 7 is provided with a clamping groove matched with the arc-shaped elastic buckle 9.

[0030] According to the above structure, the cooperation of the arc-shaped elastic buckle 9 and the clamping groove facilitates the installation, fixation, disassembly and replacement of the mirror 7, makes the use of the device more convenient and labor-saving, supports the rapid replacement of different optical elements, and adapts to diversified testing requirements.

[0031] As shown in Figures 1-2 , the inner bottom of the box body 1 is provided with a prism 20, the bottom of the prism 20 is provided with a roller 21, the inner bottom of the box body 1 is fixedly provided with a guide rail 22 matched with the roller 21, the outer wall of the box body 1 is threadedly connected with a threaded rod 23, one end of the threaded rod 23 is rotatably connected with the prism 20, one side of the prism 20 is provided with a guide rod 24, one end of the guide rod 24 penetrates the outer wall of the box body 1, and the outer wall of the guide rod 24 is provided with a scale line.

[0032] According to the above structure, the threaded rod 23 is threadedly connected with the box body 1, and the roller 21 and the guide rail 22 are matched, and the prism 20 is stably moved, the compatibility of the device to different HUD light paths is enhanced, the guide rod 24 is arranged, the stability of the movement of the prism 20 is increased, and the scale line on the guide rod 24 can accurately adjust the position of the prism 20.

[0033] The working principle of the utility model is: when the angle of the reflector 7 needs to be adjusted, rotate the rotating wheel arranged on the second rotating shaft 12, the rotating wheel drives the second rotating shaft 12 to rotate, the second rotating shaft 12 drives the first worm 13 and the second worm 14 to rotate synchronously, the first worm 13 meshes with the first worm wheel 11, drives the first worm wheel 11 to rotate, the first worm wheel 11 is fixed on the first rotating shaft 10, thereby drives the first rotating shaft 10 to rotate, the first rotating shaft 10 drives the adjusting frame 6 to rotate, the adjusting frame 6 drives the reflector 7 to rotate in turn, the angle adjustment of the reflector 7 is realized, at the same time, the second worm 14 meshes with the second worm wheel 16, drives the second worm wheel 16 to rotate, the second worm wheel 16 is fixed on the third rotating shaft 17, drives the third rotating shaft 17 to rotate, the pointer 18 at the top end of the third rotating shaft 17 rotates in turn, since the tooth number of the first worm wheel 11 and the second worm wheel 16 is same, the spiral groove number of the first worm 13 and the second worm 14 is same, the angle of the pointer 18 rotating is same with the angle of the reflector 7 rotating, through observing the position of the pointer 18 on the angle scale disc 19, the angle of the reflector 7 can be accurately adjusted,

[0034] When the position of the prism 20 needs to be adjusted, rotate the threaded rod 23, the threaded rod 23 is screwed with the box body 1, with the rotation of the threaded rod 23, the threaded rod 23 drives the prism 20 to move, the roller 21 at the bottom of the prism 20 rolls on the guide rail 22, ensures the stable movement of the prism 20, the guide rod 24 at one side of the prism 20 increases the stability of the movement of the prism 20, at the same time, through observing the scale line on the guide rod 24, the position of the prism 20 can be accurately adjusted, to adapt to the calibration requirement of different HUD light paths.

[0035] When testing, install the TFT display screen 3, install the reflector 7 to the adjusting frame 6, adjust the angle of the reflector 7 and the position of the prism 20, then install the test and calibration instrument to the test hole 2, the light of the TFT display screen 3 is projected to the reflector 7, then through the cooperation of the reflector 7 and the prism 20, the light is projected from the test hole 2 and enters the test and calibration instrument. The test and calibration instrument calibrates the light, writes the relationship between voltage and brightness into the control chip of the display screen, completes the calibration of gamma and white balance.

[0036] The above only is the preferred implementation of the utility model, it should be pointed out, for ordinary technical personnel in the prior art, without departing from the principle of the utility model, under the premise, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, such as no special description and limitation, are implemented according to the conventional means in the field.

Claims

1. A white balance calibration device for a HUD display screen, comprising a housing (1), characterized in that: The box body (1) has an installation groove (4) on one side. A box door (5) is rotatably installed at the bottom of the installation groove (4). Two mounting ears are fixed on one side of the box door (5) and inside the box body (1). A first rotating shaft (10) is rotatably installed between the outer walls of the two mounting ears. An adjustment frame (6) is fixed on the outer wall of the first rotating shaft (10). A plug-in groove is provided on one side of the adjustment frame (6). A detachable reflector (7) is provided inside the plug-in groove. The bottom of the adjustment frame (6) is provided with a connecting groove. The outer wall of the first rotating shaft (10) is fixed with a first worm gear (11) in the connecting groove. The outer wall of the box door (5) and below the adjustment frame (6) is rotatably mounted with a second rotating shaft (12). The outer wall of the second rotating shaft (12) is fixed with a first worm (13) that meshes with the first worm gear (11).

2. The HUD display white balance calibration device according to claim 1, characterized in that: The outer wall of the housing (1) is provided with a protective shell (15). One end of the second rotating shaft (12) is fixed inside the protective shell (15) with a second worm gear (14). A third rotating shaft (17) is rotatably installed through the top of the protective shell (15). A second worm wheel (16) that meshes with the second worm gear (14) is provided at the bottom of the third rotating shaft (17). A pointer (18) is provided at the top of the third rotating shaft (17) and above the protective shell (15). An angle scale (19) is provided on the top of the protective shell (15) with the third rotating shaft (17) as the center.

3. The HUD display white balance calibration device according to claim 1, characterized in that: The outer wall of the adjustment frame (6) is provided with a fixing groove (8), and the inner side of the fixing groove (8) is provided with an arc-shaped elastic buckle (9). The outer wall of the reflector (7) is provided with a slot that cooperates with the arc-shaped elastic buckle (9).

4. The HUD display white balance calibration device according to claim 1, characterized in that: A prism (20) is provided at the bottom of the box (1), and a roller (21) is provided at the bottom of the prism (20). A guide rail (22) that cooperates with the roller (21) is fixed at the bottom of the box (1). A threaded rod (23) is threaded through the outer wall of the box (1). One end of the threaded rod (23) is rotatably connected to the prism (20). A guide rod (24) is provided on one side of the prism (20). One end of the guide rod (24) passes through the outer wall of the box (1). A scale line is provided on the outer wall of the guide rod (24).

5. The HUD display white balance calibration device according to claim 1, characterized in that: The top of the housing (1) is provided with a test hole (2), and a detachable TFT display screen (3) is provided on both inner sides of the housing (1) and above the reflector (7).

6. The HUD display white balance calibration device according to claim 1, characterized in that: The first worm gear (11) and the second worm gear (16) have the same number of teeth, and the first worm (13) and the second worm (14) have the same number of spiral grooves.

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