CN219454974U

CN219454974U - Positioning device for aligning equipment with center of eye box

Info

Publication number: CN219454974U
Application number: CN202320724456.7U
Authority: CN
Inventors: 刘鹏
Original assignee: Shenzhen Ruisi Huachuang Technology Co ltd; Hunan Ruisi Huachuang Technology Co ltd
Current assignee: Shenzhen Ruisi Huachuang Technology Co ltd; Hunan Ruisi Huachuang Technology Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-01
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a positioning device for aligning equipment with the center of an eye box, which comprises an adjusting plate, wherein one side of the adjusting plate is detachably provided with an installation buckle, one side of the adjusting plate, which is far away from the installation buckle, is provided with an alignment plate, a first through hole is fixedly arranged on the alignment plate, a second through hole is fixedly arranged on the adjusting plate, and the first through hole and the second through hole are coaxial; the positioning device for aligning the equipment with the center of the eye box can realize the coincidence of the equipment such as a camera and the center of the eye box of a vehicle in a three-dimensional space by using the adjusting plate, namely, ensure that the front, the back, the upper, the lower, the left and the right of the center of the equipment are coincident with the center of the eye box in the space and the three-dimensional coordinate system taking the equipment as the center can be parallel to each coordinate axis of the three-dimensional coordinate system of the vehicle so as to execute the calibration or the test of the HUD, and can also be suitable for the calibration of small-batch production or after-sale; the adjusting plate is convenient to install, and after installation and calibration, the camera can be assisted to find the position rapidly.

Description

Positioning device for aligning equipment with center of eye box

Technical Field

The utility model belongs to the technical field of HUD calibration, and particularly relates to a positioning device for aligning equipment with the center of an eye box.

Background

In the calibration and test of HUD, especially ARHUD, it is necessary to position the center of camera or binocular colorimeter and the center of the eye box of the vehicle so that the two are aligned and overlapped in three-dimensional space.

There is no way for the HUD to align the camera or other device with the center of the eye-box on the prototype vehicle during the development phase.

In production offline calibration, using a vehicle aligner, a multi-axis robotic arm to align the camera with the center of the eye box, such equipment is millions of times, and such cost is unacceptable for small volume production.

In the after-sales calibration, the measurement of the center of the eye box is mostly measured by a tape measure, and human eyes are used for judging whether the image is normal or not, so that the subjectivity is too strong and the precision is not high.

Disclosure of Invention

In order to solve the above problems in the prior art, an object of the present utility model is to provide a positioning device for aligning a device with the center of an eye box.

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

the utility model provides a positioner at eye box center is aimed at to equipment, includes the regulating plate, one side demountable installation of regulating plate has the installation to detain, the regulating plate keeps away from one side that the installation detained is equipped with the counterpoint board, the fixed first through-hole that is equipped with on the counterpoint board, the fixed second through-hole that is equipped with on the regulating plate, first through-hole with the second through-hole is coaxial.

As the preferable mode of the utility model, a connecting plate is fixedly arranged on one side, far away from the alignment plate, of the adjusting plate, and the mounting buckle is fixedly connected with the connecting plate.

As a preferable mode of the utility model, the alignment plate is parallel to the adjusting plate, a bearing plate is arranged between the adjusting plate and the alignment plate, and the bearing plate is fixedly connected with the adjusting plate and the alignment plate respectively; the bearing plate is used for placing horizontal beads.

Preferably, the positioning device for aligning the center of the eye box by the equipment is of a symmetrical structure, two connecting plates and two aligning plates are respectively arranged, and the two connecting plates and the two aligning plates are symmetrical with each other by a section where the center of the adjusting plate is positioned.

Preferably, a connecting rod is arranged on one side of each alignment plate, which is far away from the center of the adjusting plate; one end of the connecting rod is fixedly connected with the alignment plate, and the other end of the connecting rod is fixedly connected with the adjusting plate.

Preferably, each alignment plate corresponds to one first through hole and one second through hole; the adjusting plate is kept away from one side of counterpoint board is fixed and is equipped with two sets of marking, and two sets of marking are located respectively the both ends of adjusting plate, every group marking include a perpendicular marking and a horizontal marking, with the group perpendicular marking with the horizontal marking mutually perpendicular, and the intersection point with one of them the second through-hole corresponds.

Preferably, the cross section of the connecting rod is in a right angle shape, and one end of the horizontal marking, which is far away from the center of the adjusting plate, extends to the connecting rod.

The beneficial effects of the utility model are as follows: the positioning device for aligning the equipment with the center of the eye box can realize the coincidence of the equipment such as a camera and the center of the eye box of a vehicle in a three-dimensional space by using the adjusting plate, namely, ensure that the front, the back, the upper, the lower, the left and the right of the center of the equipment are coincident with the center of the eye box in the space and the three-dimensional coordinate system taking the equipment as the center can be parallel to each coordinate axis of the three-dimensional coordinate system of the vehicle so as to execute the calibration or the test of the HUD, and can also be suitable for the calibration of small-batch production or after-sale; wherein the regulating plate is installed conveniently, installs and the back of calibration, and its two through-holes and laser range finder cooperation except can read out the distance of the distance regulating plate of camera through the laser range finder reading, can also directly judge the camera for the gesture of regulating plate through the naked eye, can assist the quick alignment position of camera.

Drawings

The utility model will be described in further detail with reference to the accompanying drawings and detailed description.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of another view angle structure of FIG. 1 in accordance with the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3B according to the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In the following, referring to fig. 1-4, a positioning device for aligning an eye box center of an apparatus according to an embodiment of the present utility model includes an adjusting plate 11, a mounting buckle 12 is detachably mounted on one side of the adjusting plate 11, an alignment plate 15 is disposed on a side of the adjusting plate 11 away from the mounting buckle 12, a first through hole 16 is fixedly disposed on the alignment plate 15, a second through hole 17 is fixedly disposed on the adjusting plate 11, and the first through hole 16 and the second through hole 17 are coaxial. The regulating plate 11 need install in driving position front windshield upper end when using, and regulating plate 11 needs horizontal installation, and first through-hole 16 and second through-hole 17 cooperation laser rangefinder use, and laser rangefinder and the equipment that needs the location, for example binocular camera, will together fix on adjustable cloud platform.

Advantageously, a connecting plate 13 is fixedly arranged on the side of the adjusting plate 11 away from the alignment plate 15, and the mounting buckle 12 is fixedly connected with the connecting plate 13. The mounting opening 12 may be connected to a rotating shaft of a sun visor of an automobile.

The alignment plate 15 is parallel to the adjusting plate 11, a bearing plate 14 is arranged between the adjusting plate 11 and the alignment plate 15, and the bearing plate 14 is fixedly connected with the adjusting plate 11 and the alignment plate 15 respectively; the carrier plate 14 is used for placing horizontal beads. Horizontal beads (square horizontal beads, or horizontal bubbles), a levelness measuring device, in order to ensure the horizontal installation of the adjusting plate 11.

Advantageously, the positioning device for aligning the center of the eye box by the device is of a symmetrical structure, two connecting plates 13 and two alignment plates 15 are respectively arranged, and two connecting plates 13 and two alignment plates 15 are symmetrical to each other with a section where the center of the adjusting plate 11 is located.

Advantageously, each of said alignment plates 15 is provided with a connecting rod 18 on the side remote from the centre of said adjustment plate 11; one end of the connecting rod 18 is fixedly connected with the alignment plate 15, and the other end of the connecting rod 18 is fixedly connected with the adjusting plate 11.

Advantageously, each of said alignment plates 15 corresponds to one of said first through holes 16 and one of said second through holes 17; two groups of marks are fixedly arranged on one side, far away from the alignment plate 15, of the adjustment plate 11, the two groups of marks are respectively located at two ends of the adjustment plate 11, each group of marks comprises a vertical mark 19 and a horizontal mark 20, the vertical mark 19 and the horizontal mark 20 which are in the same group are mutually perpendicular, and the intersection point corresponds to one of the second through holes 17.

Advantageously, the cross section of the connecting rod 18 is in the shape of a right angle, and the end of the horizontal marking 20 remote from the centre of the adjustment plate 11 extends onto the connecting rod 18.

The working principle of the utility model is as follows:

the overall strategy of the positions of the center of the equipment such as the camera and the center of the eye box of the vehicle is to enable the center of the equipment such as the camera and the center of the eye box to coincide in a three-dimensional space, and enable all coordinate axes of a three-coordinate system taking the center of the camera as an origin to be parallel to corresponding all coordinate axes of the three-coordinate system of the vehicle.

The position of the center of the camera or other equipment in the three-dimensional space can be adjusted by the up-down, front-back, left-right adjusting mechanisms (an X-axis translation stage and a Y-axis translation stage) of the positioning device. The rotation of the camera in each dimension of the space can be regulated by the rotation of the tripod and the two radian regulating mechanisms (an X-axis radian stage and a Y-axis radian stage) of the tripod head. And then the laser (emitted by the laser range finder and installed on the cradle head) is aligned with the positioning device, so that the center of the camera or other equipment and the center of the eye box are overlapped in a three-dimensional space, and all coordinate axes of a three-coordinate system taking the camera as an origin are parallel to corresponding all coordinate axes of the three-coordinate system of the vehicle.

When laser passes through the first through hole 16 and the second through hole 17 of the positioning device at the same time, the laser range finder faces the adjusting plate, the laser range finder and the binocular camera are fixed on the holder, and the position of the binocular camera can be quickly known and adjusted through the perforation condition of the laser;

in the above process, specifically, the adjusting plate 11 is firstly installed, and is connected with the sun visor rotating shaft of the automobile cab by the installation buckle 12, during which the horizontal beads are placed when the adjusting plate 11 is not fixed completely, and after the horizontal beads are centered, the posture of the adjusting plate 11 is kept unchanged; then adjusting the cradle head to make the laser strike on the horizontal marking line 20, wherein the height of the lens of the binocular camera is consistent with that of the adjusting plate, and then adjusting the cradle head to make the laser aim at the second through holes 17 and pass through the first through holes 16 in sequence; by adjusting the side of the plate 11, the trajectory of the laser between the first through hole 16 and the second through hole 17 can be observed from the connecting rod 18, facilitating the rapid adjustment of the binocular camera to the designated position.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing is merely illustrative of the structures of this utility model and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the utility model or from the scope of the utility model as defined in the accompanying claims.

Claims

1. A positioning device for aligning equipment with the center of an eye box, which is characterized in that: the adjusting plate comprises an adjusting plate, one side of the adjusting plate is detachably provided with an installation buckle, one side, away from the installation buckle, of the adjusting plate is provided with an alignment plate, a first through hole is fixedly arranged on the alignment plate, a second through hole is fixedly arranged on the adjusting plate, and the first through hole and the second through hole are coaxial.

2. A device for aligning the center of an eye box as in claim 1 wherein: the adjusting plate is far away from one side of the alignment plate and is fixedly provided with a connecting plate, and the mounting buckle is fixedly connected with the connecting plate.

3. A device for aligning the center of an eye box as in claim 2 wherein: the alignment plate is parallel to the adjusting plate, a bearing plate is arranged between the adjusting plate and the alignment plate, and the bearing plate is fixedly connected with the adjusting plate and the alignment plate respectively; the bearing plate is used for placing horizontal beads.

4. A device for aligning the center of an eye box as in claim 2 wherein: the positioning device for aligning the center of the eye box by the equipment is of a symmetrical structure, two connecting plates and two aligning plates are respectively arranged, and the two connecting plates and the two aligning plates are symmetrical with each other with a section where the center of the adjusting plate is located.

5. A device for aligning the center of an eye box as in claim 4 wherein: one side of each alignment plate, which is far away from the center of the adjusting plate, is provided with a connecting rod; one end of the connecting rod is fixedly connected with the alignment plate, and the other end of the connecting rod is fixedly connected with the adjusting plate.

6. A device for aligning the center of an eye box as in claim 5 wherein: each alignment plate corresponds to one first through hole and one second through hole; the adjusting plate is kept away from one side of counterpoint board is fixed and is equipped with two sets of marking, and two sets of marking are located respectively the both ends of adjusting plate, every group marking include a perpendicular marking and a horizontal marking, with the group perpendicular marking with the horizontal marking mutually perpendicular, and the intersection point with one of them the second through-hole corresponds.

7. A device for aligning the center of an eye box as in claim 6 wherein: the cross section of connecting rod is right angle shape, the level marking keep away from the one end at regulating plate center extends to on the connecting rod.