CN212871680U

CN212871680U - Head-up display test bench

Info

Publication number: CN212871680U
Application number: CN202021905921.XU
Authority: CN
Inventors: 李英坤; 姜豪; 刘风雷
Original assignee: Zhejiang Crystal Optech Co Ltd
Current assignee: Zhejiang Crystal Optech Co Ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-02
Anticipated expiration: 2030-09-03

Abstract

The utility model provides a new line display test bench relates to new line display test fixture technical field, new line display test bench includes: the device comprises a platform, a support frame, a slide rail, a slide block, a front end positioning block and a clamp, wherein the support frame, the slide rail and the front end positioning block are all connected to the platform; the support frame is used for mounting a front windshield; the clamp is connected to the sliding block and used for clamping a to-be-tested head-up display, the sliding block is connected to the sliding rail in a sliding mode and used for driving the clamp to move towards or away from the support frame; the front end positioning block is positioned on a sliding path of the sliding block, a magnetic attraction structure is arranged on the sliding block and is used for being magnetically connected with the front end positioning block, and the front end positioning block is used for stopping and positioning the sliding block when the sliding block moves in place towards the supporting frame.

Description

Head-up display test bench

Technical Field

The utility model belongs to the technical field of new line display test fixture technique and specifically relates to a new line display test bench.

Background

With the rapid development of the times, the living standard of people is improved, the automobile keeping quantity is increased day by day, and the automobile safety becomes the most concerned problem of the current consumers. When the automobile runs at high speed, particularly at night, if a driver lowers the head to watch the instrument or watches the display such as navigation, and the like, the front part of the automobile meets an emergency situation, the automobile may cause traffic accidents because measures cannot be taken in time. According to a statistical investigation abroad, 45% of road traffic accidents are caused by the fact that a driver has insufficient sight and improper operation and the vehicle collides with a front object, so as to reduce traffic accidents caused by the reason, according to a Display system of a military fighter plane, a head-Up Display (called as head Up Display for short) comes Up, important information such as vehicle speed, oil quantity, navigation, driving safety assistance and the like which are most needed by driving is projected into human eyes, and a projected image is located at a proper position in front of the driver, so that the driver always keeps a head-Up posture, potential safety hazards caused by the fact that the driver looks at information displayed on an instrument, a navigator or other driving assistance devices at a low head are avoided, the possibility of causing traffic accidents is reduced, and eye fatigue caused by alternately observing scene information in the vehicle and at different distances outside the vehicle is relieved.

HUD need carry out the test of performance before going on the standard grade, and the current method is to build simple support, places the glass of a slope on the support for windshield before the simulation, then will await measuring HUD places in glass's below, and HUD carries out the projection to glass, utilizes the camera to acquire the projection image, and analysis image can obtain HUD's performance parameter. HUD's fixed position influences the result that detects, and the glass below installation HUD of slope is very difficult, and HUD's the actual position of placing exists the easy deviation that appears with theoretical position, leads to the inaccurate problem of test result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new line display test bench to when having alleviated current new line display and having detected, the new line display that detects is actually placed the position and is appeared the deviation with theoretical position easily, leads to the unsafe problem of test result.

The embodiment of the utility model provides a pair of new line display test bench, new line display test bench includes: the device comprises a platform, a support frame, a slide rail, a slide block, a front end positioning block and a clamp, wherein the support frame, the slide rail and the front end positioning block are all connected to the platform; the support frame is used for mounting a front windshield; the clamp is connected to the sliding block and used for clamping a to-be-tested head-up display, the sliding block is connected to the sliding rail in a sliding mode and used for driving the clamp to move towards or away from the support frame;

the front end positioning block is positioned on a sliding path of the sliding block, a magnetic attraction structure is arranged on the sliding block and is used for being magnetically connected with the front end positioning block, and the front end positioning block is used for stopping and positioning the sliding block when the sliding block moves in place towards the supporting frame.

Furthermore, the front end positioning block is made of a ferromagnetic material, and the magnetic attraction structure is a magnet.

Furthermore, the front end positioning block is detachably connected with the platform and used for replacing front end positioning blocks with different thicknesses, so that the sliding block can be positioned at different positions.

Furthermore, the front end positioning block is connected with the platform through a bolt.

Furthermore, the head-up display test bench includes preceding buffer unit, preceding buffer unit is located the front end of slide rail, preceding buffer unit be used for when the slider moves towards the support frame, with the slider butt and to the slider cushions.

Furthermore, the head-up display test bench comprises a rear end positioning block, the rear end positioning block is located on a sliding path of the sliding block, the rear end positioning block is used for being magnetically connected with the magnetic attraction structure, and the rear end positioning block is used for stopping and positioning the sliding block when the sliding block is far away from the support frame and moves in place.

Furthermore, the new line display test bench includes back buffer unit, back buffer unit is located the rear end of slide rail, back buffer unit be used for the slider is kept away from when the support frame moves, with the slider butt is right the slider cushions.

Further, the front buffer unit and the rear buffer unit are respectively a hydraulic damper or a spring buffer.

Furthermore, the quantity of slide rail and slider is a plurality of, and the one-to-one, and a plurality of slide rails are parallel to each other, anchor clamps are connected with a plurality of sliders respectively.

Furthermore, a handle is arranged on the clamp.

The embodiment of the utility model provides a new line display test bench includes: platform, support frame, slide rail, slider, front end locating piece and anchor clamps. The support frame, the slide rail and the front end positioning block are all connected to the platform; the support frame is used for mounting a front windshield; the clamp is connected to the sliding block and used for clamping a to-be-tested head-up display, the sliding block is connected to the sliding rail in a sliding mode and used for driving the clamp to move towards or away from the support frame; the front end positioning block is positioned on a sliding path of the sliding block, a magnetic attraction structure is arranged on the sliding block and is used for being magnetically connected with the front end positioning block, and the front end positioning block is used for stopping and positioning the sliding block when the sliding block moves in place towards the supporting frame. Before measurement, the to-be-measured head-up display can be installed on the clamp, and then the sliding block is pushed to one side of the supporting frame, so that the to-be-measured head-up display is close to the front windshield. In the process of being close to the front windshield, the magnetic attraction structure on the sliding block is blocked by the front end positioning block to stop sliding continuously, and when the magnetic attraction structure is in contact with the front end positioning block, the magnetic attraction structure and the front end positioning block are attracted together under the action of magnetic force, so that the sliding block is prevented from rebounding due to impact of the front end positioning block, or the sliding block deviates from the front end positioning position due to accidental collision of the test bench, and the test accuracy is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a head-up display test bench provided in an embodiment of the present invention;

fig. 2 is a schematic view of a slide rail and a slide block of a head-up display testing stand according to an embodiment of the present invention;

FIG. 3 is a top view of the structure shown in FIG. 2;

fig. 4 is a sectional view taken along a-a in fig. 3.

Icon: 100-a platform; 200-a support frame; 310-a slide rail; 320-a slide block; 410-front end positioning block; 420-rear end positioning block; 500-magnetic attraction structure; 610-front buffer unit; 620-back buffer unit; 700-handle; 800-head-up display to be tested.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the embodiment of the present invention provides a head up display test bench comprising: the platform 100, the supporting frame 200, the sliding rail 310, the sliding block 320, the front end positioning block 410 and the clamp.

The platform 100 plays a supporting role to provide a stable supporting plane for the test, and the supporting frame 200 is installed on the upper surface of the platform 100. The four corners of the supporting frame 200 can be provided with fixture blocks for fixing the front windshield, and the fixture blocks are provided with right-angle grooves for accommodating the corners of the front windshield. The support bracket 200 is disposed to be inclined with respect to the upper surface of the platform 100 to simulate the environment inside the automobile.

The slider 320 extends in the direction towards the support frame 200, the clamp is connected to the slider 320, the clamp is used for clamping the head-up display 800 to be tested, the slider 320 is connected to the sliding rail 310 in a sliding manner, and the slider 320 is used for driving the clamp to move towards or away from the support frame 200. Because the supporting frame 200 is inclined, the closer to the supporting frame 200 the space is, the smaller the space is, so that the clamp needs to be pulled out from the lower part of the supporting frame 200 to obtain enough space for dismounting and mounting the head-up display 800 to be tested, and the clamp mounted with the head-up display 800 to be tested needs to be pushed into the position close to the supporting frame 200 for testing.

The front end positioning block 410 is located on a sliding path of the slider 320, a magnetic attraction structure 500 is arranged on the slider 320, the magnetic attraction structure 500 is used for being magnetically connected with the front end positioning block 410, and the front end positioning block 410 is used for stopping and positioning the slider 320 when the slider 320 moves in place towards the support frame 200. Before measurement, the to-be-measured head-up display 800 may be mounted on a fixture, and then the slider 320 may be pushed toward one side of the supporting frame 200, so that the to-be-measured head-up display 800 is close to the front windshield. In the process of approaching the front windshield, the magnetic attraction structure 500 on the slider 320 is blocked by the front end positioning block 410 to stop sliding continuously, and when the magnetic attraction structure 500 contacts the front end positioning block 410, the magnetic attraction structure and the front end positioning block 410 are attracted together under the action of magnetic force, so that the slider 320 is prevented from rebounding due to the impact of the front end positioning block 410, or the slider 320 deviates from the front end positioning position due to accidental collision of a test bench, and the test accuracy is improved.

The front positioning block 410 and the magnetic attraction structure 500 can be magnetically connected. In this embodiment, the front positioning block 410 may be made of a ferromagnetic material, such as metal iron, and the magnetic attraction structure 500 is a magnet.

In other embodiments, the positioning block 410 and the magnetic structure 500 may be magnets with opposite magnetic polarities facing each other.

The front positioning block 410 is detachably connected to the platform 100, and is used to replace the front positioning block 410 with different thicknesses, so that the sliding block 320 can be positioned at different positions.

The distance between the head-up display and the front windshield is different for different automobiles, so the position at which the slider 320 stops after moving towards the support frame 200 is different during the test. The front end positioning block 410 with different thicknesses can be configured according to the existing vehicle model, and the stopping position of the sliding block 320 can be changed by replacing the front end positioning block 410.

Specifically, the front end positioning block 410 is connected to the platform 100 by bolts. Screw holes are correspondingly formed in the center of the front end positioning block 410 and the platform 100, and the front end positioning block 410 can be fixed to the platform 100 through bolts.

The head-up display test bench comprises a front buffer unit 610, wherein the front buffer unit 610 is located at the front end of the slide rail 310, and the front buffer unit 610 is used for abutting against the slide block 320 and buffering the slide block 320 when the slide block 320 moves towards the support frame 200.

In order to prevent the front positioning block 410 from generating a large vibration to the head-up display 800 to be tested when colliding with the magnetic attraction structure 500, a front buffering unit 610 may be disposed at the front end of the sliding rail 310. When the slider 320 moves towards one end of the supporting frame 200, the front end of the slider 320 contacts the front buffer unit 610 first, and the front buffer unit 610 is shortened after being impacted, so that potential energy generated by the impact is offset.

The head-up display test bench comprises a rear end positioning block 420, the rear end positioning block 420 is located on a sliding path of the slider 320, the rear end positioning block 420 is magnetically connected with the magnetic attraction structure 500, and the rear end positioning block 420 is used for stopping and positioning the slider 320 when the slider 320 moves away from the support frame 200 in place.

In order to ensure that the clamp can move to a preset position to stop after exiting from the front end positioning position to prepare for the automatic assembly of the to-be-tested head-up display 800, a rear end positioning block 420 can be arranged at the rear end position of the slide rail 310, so that the slide block 320 can move to the preset position after exiting, for example, the to-be-tested head-up display 800 on the clamp can be replaced by a manipulator, and the slide block 320 can stop at the rear end preset position to facilitate the accurate grabbing of the manipulator. The rear positioning block 420 may also be magnetically connected to the magnetic attraction structure 500, for example, the rear positioning block 420 may also be made of iron. When the slider 320 slides backward and engages with the rear end positioning block 420, the slider 320 can be accurately stopped at a predetermined position.

The head-up display test bench comprises a rear buffer unit 620, the rear buffer unit 620 is located at the rear end of the slide rail 310, and the rear buffer unit 620 is used for abutting against the slider 320 and buffering the slider 320 when the slider 320 moves away from the support frame 200.

In order to prevent the head-up display 800 to be tested from generating large vibration when the rear end positioning block 420 collides with the magnetic attraction structure 500, a rear buffer unit 620 may be disposed at the rear end of the sliding rail 310. When the slider 320 moves away from one end of the supporting frame 200, the rear end of the slider 320 is firstly contacted with the rear buffer unit 620, and after the rear buffer unit 620 is impacted, the length of the rear buffer unit is shortened to offset potential energy generated by the impact.

The front cushion unit 610 and the rear cushion unit 620 are respectively a hydraulic damper or a spring damper.

The number of the slide rails 310 and the number of the sliders 320 are multiple and are in one-to-one correspondence, the slide rails 310 are parallel to each other, and the clamps are respectively connected with the sliders 320.

In this embodiment, the quantity of slide rail 310 and slider 320 is two, two slide rail 310 parallel arrangement, and two sliders 320 are all connected in the below of anchor clamps, adopt two sets of slide rail 310 sliders 320 to drive the anchor clamps motion, and the anchor clamps motion is more steady.

The clamp is provided with a handle 700, so that a user can pull the clamp forwards and backwards conveniently.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A heads-up display test bench, characterized in that heads-up display test bench includes: the device comprises a platform (100), a support frame (200), a sliding rail (310), a sliding block (320), a front end positioning block (410) and a clamp, wherein the support frame (200), the sliding rail (310) and the front end positioning block (410) are all connected to the platform (100); the supporting frame (200) is used for mounting a front windshield; the clamp is connected to the sliding block (320), the clamp is used for clamping a to-be-tested head-up display (800), the sliding block (320) is connected to the sliding rail (310) in a sliding mode, and the sliding block (320) is used for driving the clamp to move towards or away from the support frame (200);

the front end positioning block (410) is positioned on a sliding path of the sliding block (320), a magnetic attraction structure (500) is arranged on the sliding block (320), the magnetic attraction structure (500) is magnetically connected with the front end positioning block (410), and the front end positioning block (410) is used for stopping and positioning the sliding block (320) when the sliding block (320) moves in place towards the supporting frame (200).

2. The head-up display test bench of claim 1 wherein the front positioning block (410) is made of ferromagnetic material and the magnetic attraction structure (500) is made of magnet.

3. The heads-up display test stand of claim 1, wherein the front positioning block (410) is removably coupled to the platform (100) for replacing front positioning blocks (410) of different thicknesses to position the slider (320) in different positions.

4. The heads-up display test stand of claim 3, wherein the front end positioning block (410) is bolted to the platform (100).

5. The head-up display test rig according to claim 1, comprising a front buffer unit (610), the front buffer unit (610) being located at a front end of the slide rail (310), the front buffer unit (610) being configured to abut against the slider (320) and buffer the slider (320) when the slider (320) moves towards the support stand (200).

6. The head-up display test bench of claim 5, comprising a rear end positioning block (420), wherein the rear end positioning block (420) is located on a sliding path of the slider (320), the rear end positioning block (420) is configured to be magnetically connected with the magnetic attraction structure (500), and the rear end positioning block (420) is configured to stop and position the slider (320) when the slider (320) moves away from the support frame (200) to a proper position.

7. The head-up display test rig according to claim 6, comprising a rear buffer unit (620), the rear buffer unit (620) being located at a rear end of the slide rail (310), the rear buffer unit (620) being configured to abut against the slider (320) and buffer the slider (320) when the slider (320) moves away from the support frame (200).

8. The heads-up display test stand of claim 7, wherein the front buffer unit (610) and the rear buffer unit (620) are hydraulic dampers or spring dampers, respectively.

9. The head-up display test bench according to claim 1, wherein the number of the slide rails (310) and the sliders (320) is plural and corresponds to one another, the plural slide rails (310) are parallel to each other, and the jigs are respectively connected to the plural sliders (320).

10. The heads-up display test stand according to claim 1, wherein a handle (700) is provided on the clamp.