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

Abstract

The utility model discloses a positioning device for aligning equipment with the center of an eye box, comprising an adjustment plate, one side of the adjustment plate is detachably mounted with a mounting buckle, and the side of the adjustment plate far away from the mounting buckle is provided with an alignment plate, the alignment plate is fixed with a first through hole, the adjustment plate is fixed with a second through hole, and the first through hole is coaxial with the second through hole; the utility model serves as A positioning device for aligning equipment with the center of the eye box. By using an adjustment plate, the center of the eye box of the camera and other equipment can be coincident with the center of the eye box of the vehicle in three-dimensional space, that is, to ensure that the front, rear, up, down, left, and right of the center of the equipment coincide with the center of the eye box in space. The three-dimensional coordinate system centered on the equipment can be parallel to the coordinate axes of the three-dimensional coordinate system of the vehicle, so as to perform HUD calibration or testing, and is also suitable for small batch production or after-sales calibration; the adjustment plate is easy to install, after installation and calibration, It can assist the camera to quickly find the position.

Description

A positioning device for aligning equipment with the center of an eye box

technical field

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

Background technique

When calibrating and testing HUD, especially ARHUD, it is necessary to position the center of the camera or binocular colorimeter with the center of the eye box of the vehicle so that the two are aligned in three-dimensional space.

In the development stage, the HUD has no way to align the camera and other equipment with the center of the eye box on the prototype vehicle.

In the calibration of the production line, a vehicle aligner and a multi-axis robotic arm are used to align the center of the camera and the eye box. This kind of equipment costs millions. For small batch production, this cost is unacceptable.

In the after-sales calibration, the measurement of the center of the eye box is mostly measured with a tape measure, and the human eye is used to judge whether the image is normal. This method is too subjective and the accuracy is not high.

Utility model content

In order to solve the above-mentioned problems in the prior art, the purpose of the present invention is to provide a positioning device for aligning the center of the eye box.

The technical scheme adopted in the utility model is:

A positioning device for aligning equipment with the center of an eye box, comprising an adjustment plate, one side of the adjustment plate is detachably mounted with a mounting buckle, and the side of the adjustment plate far away from the installation buckle is provided with an alignment plate, the alignment plate A first through hole is fixed on the positioning plate, a second through hole is fixed on the adjustment plate, and the first through hole is coaxial with the second through hole.

As a preference of the present utility model, a connection plate is fixedly provided on the side of the adjustment plate away from the alignment plate, and the installation buckle is fixedly connected to the connection plate.

As a preference of the present utility model, the alignment plate is parallel to the adjustment plate, a bearing plate is arranged between the adjustment plate and the alignment plate, and the bearing plate is connected to the adjustment plate and the alignment plate respectively. The bit board is fixedly connected; the bearing board is used for placing horizontal beads.

As a preference of the present utility model, the positioning device for aligning the center of the eye box of the device is a symmetrical structure, the connecting plate and the alignment plate are respectively provided with two, the two connecting plates and the two The alignment plates are symmetrical to each other with respect to a section where the center of the adjustment plate is located.

As a preference of the present utility model, a connecting rod is provided on the side of each alignment plate away from the center of the adjustment plate; one end of the connecting rod is fixedly connected with the alignment plate, and the connecting rod The other end is fixedly connected with the adjustment plate.

As a preference of the present invention, each of the alignment plates corresponds to one of the first through holes and one of the second through holes; Marking lines, two sets of marking lines are respectively located at both ends of the adjustment plate, each set of marking lines includes a vertical marking line and a horizontal marking line, the vertical marking lines and the horizontal marking lines in the same group are perpendicular to each other, and The intersection point corresponds to one of the second through holes.

As a preference of the present invention, the cross-section of the connecting rod is in a right-angle shape, and the end of the horizontal marking line away from the center of the adjusting plate extends to the connecting rod.

The beneficial effects of the utility model are as follows: the utility model is used as a positioning device for aligning the center of the eye box with the equipment, and by using the adjustment plate, the center of the eye box of the camera and other equipment and the vehicle can be overlapped in three-dimensional space, that is, the front and rear of the equipment center can be ensured. The three-dimensional coordinate system that coincides with the center of the eye box in space and the three-dimensional coordinate system centered on the device can be parallel to the coordinate axes of the three-dimensional coordinate system of the vehicle, so as to perform HUD calibration or testing, and is also suitable for small-batch production or after-sales calibration ;The adjustment plate is easy to install. After installation and calibration, its two through holes cooperate with the laser rangefinder. In addition to reading the distance of the camera from the adjustment plate through the laser rangefinder, it can also directly judge the camera with the naked eye. Relative to the attitude of the adjustment board, it can assist the camera to find the position quickly.

Description of drawings

Below in conjunction with accompanying drawing and specific implementation method, the utility model is described in further detail.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the utility model Fig. 1 A place enlarged structural representation;

Fig. 3 is a structural schematic diagram of another viewing angle of Fig. 1 of the present utility model;

Fig. 4 is a schematic diagram of an enlarged structure at B in Fig. 3 of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present utility model, and are not intended to limit the present utility model, that is, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present utility model.

The specific implementation of the utility model will be described below in conjunction with Figures 1-4. A positioning device for aligning the center of the eye box with equipment includes an adjustment plate 11. One side of the adjustment plate 11 is detachably mounted with a mounting buckle 12. The adjustment The side of the plate 11 away from the mounting buckle 12 is provided with an alignment plate 15, the alignment plate 15 is fixed with a first through hole 16, and the adjustment plate 11 is fixed with a second through hole 17, so The first through hole 16 and the second through hole 17 are coaxial. The adjustment plate 11 needs to be installed on the upper end of the front windshield of the driving position when in use, the adjustment plate 11 needs to be installed horizontally, the first through hole 16 and the second through hole 17 are used in conjunction with the laser range finder, and the laser range finder and Equipment, such as binocular cameras, will be fixed together on the adjustable gimbal.

Beneficially, a connecting plate 13 is fixed on a side of the adjusting plate 11 away from the alignment plate 15 , and the mounting buckle 12 is fixedly connected to the connecting plate 13 . The installation port 12 can be connected with the rotating shaft of the automobile sun visor.

Beneficially, the alignment plate 15 is parallel to the adjustment plate 11, a bearing plate 14 is arranged between the adjustment plate 11 and the alignment plate 15, and the bearing plate 14 is respectively connected to the adjustment plate 11 and the adjustment plate 11. The alignment plate 15 is fixedly connected; the bearing plate 14 is used for placing horizontal beads. Leveling bead (square leveling bead, or leveling bubble), a kind of levelness measuring device, purpose is to ensure that adjusting plate 11 is installed horizontally.

Beneficially, the positioning device for aligning the center of the eye box of the device is a symmetrical structure, the connecting plate 13 and the alignment plate 15 are respectively provided with two, and the two connecting plates 13 and the two alignment plates The position plates 15 are mutually symmetrical with respect to a section where the center of the adjustment plate 11 is located.

Beneficially, each of the alignment plates 15 is provided with a connecting rod 18 on the side away from the center of the adjusting plate 11; one end of the connecting rod 18 is fixedly connected with the alignment plate 15, and the connecting rod The other end of 18 is fixedly connected with the adjustment plate 11 .

Beneficially, each of the alignment plates 15 corresponds to one of the first through holes 16 and one of the second through holes 17; A group of marking lines, two groups of marking lines are respectively located at the two ends of the adjustment plate 11, each group of marking lines includes a vertical marking line 19 and a horizontal marking line 20, the vertical marking line 19 and the horizontal marking line of the same group The lines 20 are perpendicular to each other, and the intersection point corresponds to one of the second through holes 17 .

Beneficially, the connecting rod 18 has a right-angled cross section, and the horizontal marking line 20 extends to the connecting rod 18 at an end away from the center of the adjusting plate 11 .

The working principle of the utility model:

The position of the center of the camera and other equipment and the center of the vehicle eye box, the overall strategy is to make the center of the camera and other equipment coincide with the center of the eye box in three-dimensional space, and make the coordinate axes of the three-coordinate system with the camera center as the origin coincide with the center of the vehicle The respective coordinate axes of the three-coordinate system are parallel.

The position of the center of the camera or other equipment in three-dimensional space can be adjusted through the up-down, front-back, and left-right adjustment mechanisms (X-axis translation platform and Y-axis translation platform) of the positioning device. The rotation of the camera in each dimension in space can be adjusted by the rotation of the tripod and the two arc adjustment mechanisms of the gimbal (X-axis arc stage and Y-axis arc stage). Then use the laser (issued by the laser rangefinder, installed on the gimbal) to align with the positioning device, so that the center of the camera or other equipment and the center of the eye box can coincide in three-dimensional space, and make the camera as the origin The coordinate axes of the three-coordinate system are parallel to the respective coordinate axes of the three-coordinate system of the vehicle.

Wherein, when the laser passes through the first through hole 16 and the second through hole 17 of the positioning device at the same time, it means that the laser rangefinder is facing the adjustment plate, and the laser rangefinder and the binocular camera are fixed on the platform. The perforation situation can quickly know the position of the binocular camera and adjust it;

In the above process, specifically, first install the adjustment plate 11, and use the installation buckle 12 to connect it with the sun visor shaft of the car cab. During this period, when the adjustment plate 11 is not completely fixed, place the horizontal beads. After the horizontal beads are centered, keep the adjustment plate The posture of 11 remains unchanged; then adjust the pan/tilt so that the laser hits the horizontal marking line 20. At this time, the lens of the binocular camera is at the same height as the adjustment plate, and then adjust the pan/tilt so that the laser is aligned with the second through hole 17 and passes through Through the first through hole 16; 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, which is convenient for quickly adjusting the binocular camera to a designated position.

In the description of the present utility model, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", "connection" and so on should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The above content is only an example and description of the structure of the utility model. Those skilled in the art make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the utility model. Structures or beyond the scope defined in the claims shall belong to the protection scope of the present utility model.

Claims (7)

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.