CN214851611U

CN214851611U - Camera module long-range view test system

Info

Publication number: CN214851611U
Application number: CN202121584307.2U
Authority: CN
Inventors: 李博
Original assignee: Wuhan Contemporary Hualu Photoelectric Technology Co ltd
Current assignee: Wuhan Contemporary Hualu Photoelectric Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-23
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to a module long shot test system makes a video recording, including test fixture, range extender, light source and computer, test fixture with the light source interval sets up, the range extender sets up test fixture with between the light source, just test fixture with light source evenly distributes on the light mandrel of range extender, the test fixture is last to be used for the installation to wait to detect the module of making a video recording, and waits to detect the camera lens orientation of the module of making a video recording the light mandrel of range extender, the computer be used for with it connects to wait to detect the module of making a video recording electricity, the computer is used for acquireing wait to detect the image signal of the module of making a video recording and show. This application module long-range view test system makes a video recording has realized the long-range view test of the module of making a video recording, need not to adopt actual distance to carry out the long-range view test of the module of making a video recording, saves space.

Description

Camera module long-range view test system

Technical Field

The utility model relates to a camera equipment and subassembly detect technical field, especially relate to a module long-range scene test system makes a video recording.

Background

The distance between the camera module and the shot image is 5 meters, 10 meters or even longer for the current long-range test of the camera module.

If the scene is tested according to the actual distance, a large enough machine table is needed, so that the workshop space is wasted, and the method is not suitable for the actual situation.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a long-range camera module testing system for solving the problem of large space required by long-range camera module testing.

The utility model provides a module long shot test system makes a video recording, includes test fixture, range extender, light source and computer, test fixture with the light source interval sets up, the range extender sets up test fixture with between the light source, just test fixture with light source all distributes on the light mandrel of range extender, be used for installing on the test fixture and wait to detect the module of making a video recording, and the camera lens orientation of waiting to detect the module of making a video recording the light mandrel of range extender, the computer be used for with it connects to wait to detect the module electricity of making a video recording, the computer is used for acquireing the image signal of waiting to detect the module of making a video recording and shows.

Preferably, still include the setting element and with the light-passing board of absolute bore size assorted of the camera lens of range extender, the light-passing board passes through the setting element is installed on the range extender to coaxial distribution is in one side of the camera lens of range extender, just be equipped with on the light-passing board and be used for confirming the benchmark figure of the axle center of the light mandrel of range extender, the computer is used for showing the image that the camera module that awaits measuring sent to it and the reference figure that is used for confirming the center of the image that the camera module that awaits measuring sent to it.

Preferably, the reference pattern includes at least two intersecting reference lines, the reference lines intersect with the axis of the optical axis of the range-extending mirror, the reference pattern includes at least two intersecting reference lines, and the reference lines intersect with the center of the image sent to the computer by the camera module to be detected.

Preferably, the light-transmitting plate is a transparent acrylic plate.

Preferably, the positioning piece is detachably mounted on the distance-increasing mirror.

Preferably, the bottom of the range-increasing mirror is made of a metal material, the positioning piece is made of a magnetic material, and the positioning piece is magnetically adsorbed to the bottom of the range-increasing mirror.

Preferably, the positioning piece is annular, the diameter of the outer ring of the positioning piece is consistent with that of the bottom of the distance increasing mirror, and the diameter of the inner ring of the positioning piece is matched with that of the light-transmitting plate.

This application module long-range view test system makes a video recording has realized the long-range view test of the module of making a video recording, need not to adopt actual distance to carry out the long-range view test of the module of making a video recording, saves space.

Drawings

Fig. 1 is a schematic view of a long-range view testing system of a camera module according to an embodiment of the present invention;

FIG. 2 is a front view of a positioning member according to an embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of the positioning member according to the embodiment of the present invention;

fig. 4 is a schematic diagram of an image displayed by a computer according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. testing the tool; 2. a distance-increasing mirror; 3. an illumination light source; 4. a computer; 5. a positioning member; 6. a light-transmitting plate; 61. a reference pattern; 7. reference is made to the figures.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1-3, an embodiment of the present application is provided, in this embodiment, the camera module long-range view test system includes a test fixture 1, a range-increasing lens 2, an illumination light source 3, and a computer 4, the test fixture 1 and the illumination light source 3 are arranged at intervals, the range-increasing lens 2 is arranged between the test fixture 1 and the illumination light source 3, the test fixture 1 and the illumination light source 3 are both distributed on an optical axis of the range-increasing lens 2, the test fixture 1 is used for mounting a camera module to be detected, a lens of the camera module to be detected faces the optical axis of the range-increasing lens 2, the computer 4 is used for electrically connecting with the camera module to be detected, and the computer 4 is used for acquiring and displaying an image signal of the camera module to be detected.

In this embodiment, the illumination light source 3 is a light source plate, a chart image is arranged on one side of the illumination light source 3 close to the range-extending lens 2, the camera module to be detected is installed on the test fixture 1, the chart image on the illumination light source 3 is acquired through the range-extending lens 2 and is sent to the computer 4, and the computer 4 displays the image sent to the computer 4 again, so that a long-range test system of the camera module is facilitated, a long-range test of the camera module is not required to be performed by adopting an actual distance, and the space is saved.

In this embodiment, still include setting element 5 and with the light-passing board 6 of the size assorted of the absolute bore of the camera lens of range finder 2, light-passing board 6 passes through setting element 5 is installed on range finder 2 to coaxial distribution is in one side of the camera lens of range finder 2, just be equipped with on the light-passing board 6 and be used for confirming the benchmark figure 61 of the axle center of the optical axis of range finder 2, computer 4 is used for showing the image signal that the camera module that awaits measuring sent to it and the reference figure 7 that is used for confirming the center of the image that the camera module that awaits measuring sent to it.

The camera module to be detected collects the chart image on the illumination light source 3 through the range extender 2 and the light transmission plate 6 and sends the chart image to the computer 4, it should be noted that the computer 4 receives the image signal sent by the camera module to be detected, the image signal received by the computer 4 is provided with a reference graph 61, the computer 4 displays the image signal sent by the camera module to be detected and a reference graph 7, so that whether the center of the image sent by the camera module to the computer 4 is coincided with the axis of the optical center axis of the range extender 2 or not can be observed manually, that is, whether the lens center of the camera module to be detected and the axis of the optical center axis of the range extender 2 are coincided or not is observed, thereby the position of the range extender 2 is conveniently adjusted so that the lens center of the camera module to be detected and the axis of the optical center of the range extender 2 are coincided, guarantee image test effect, need not to judge whether the extender lens is on same axis with waiting to detect the module of making a video recording through visualing, avoided adopting the visuals to judge whether the extender lens is low and the inconvenient problem of operation in the precision of same axis with waiting to detect the module of making a video recording. In this embodiment, the computer 4 may be loaded with image processing software, and the image processing software determines and displays a center of an image sent by the camera module to be detected to the computer 4, which belongs to the prior art.

Preferably, the reference pattern 61 includes at least two intersecting reference lines, the reference lines intersect with the axis of the optical axis of the range-extending mirror 2, the reference pattern 7 includes at least two intersecting reference lines, and the reference lines intersect with the center of the image sent to the computer 4 by the camera module to be detected.

In this embodiment, the reference pattern 61 is a cross line intersecting with the optical axis of the range finder 2, and the reference pattern 7 is a cross line intersecting with the center of the image sent to the computer 4 by the camera module to be detected, so that observation is facilitated.

In another embodiment, the reference pattern 61 may also be a point coinciding with the optical axis of the range-extending mirror 2, and the reference pattern 7 may also be a point coinciding with the center of the image sent to the computer 4 by the camera module to be detected.

Specifically, the light-transmitting plate 6 is a high-light-transmitting transparent acrylic plate.

On the basis of the above embodiment, further, the positioning member 5 is detachably mounted on the distance-increasing mirror 2.

The positioning piece 5 is detachably arranged on the distance-increasing lens 2, so that the camera module long-range testing system is convenient to assemble.

In this embodiment, the bottom of the distance-increasing mirror 2 is made of a metal material, the positioning member 5 is made of a magnetic material, and the positioning member 5 is magnetically adsorbed at the bottom of the distance-increasing mirror 2.

The positioning piece 5 is magnetically adsorbed at the bottom of the distance-increasing mirror 2, and is convenient to install.

Preferably, the positioning element 5 is annular, the diameter of the outer ring of the positioning element is consistent with that of the bottom of the distance-increasing mirror 2, and the diameter of the inner ring of the positioning element is matched with that of the light-transmitting plate 6.

The positioning piece 5 is annular, and the magnetic adsorption of the positioning piece is at the bottom of the distance-increasing mirror 2, so that the positioning piece 5 is prevented from influencing the detection effect.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. The long-range testing system for the camera module is characterized by comprising a testing tool (1), a distance-increasing lens (2), an illuminating light source (3) and a computer (4), wherein the testing tool (1) and the illuminating light source (3) are arranged at intervals, the distance-increasing lens (2) is arranged between the testing tool (1) and the illuminating light source (3), the testing tool (1) and the illuminating light source (3) are uniformly distributed on an optical axis of the distance-increasing lens (2), the testing tool (1) is used for installing the camera module to be tested, a lens of the camera module to be tested faces the optical axis of the distance-increasing lens (2), the computer (4) is used for being electrically connected with the camera module to be tested, and the computer (4) is used for obtaining and displaying an image signal of the camera module to be tested.

2. The camera module long-range testing system according to claim 1, further comprising a positioning element (5) and a light-transmitting plate (6) matched with the absolute aperture of the lens of the range-extending lens (2), wherein the light-transmitting plate (6) is installed on the range-extending lens (2) through the positioning element (5) and is distributed on one side of the lens of the range-extending lens (2), a reference pattern (61) used for determining the axis of the optical center axis of the range-extending lens (2) is arranged on the light-transmitting plate (6), and the computer (4) is used for displaying the image signal sent to the camera module to be detected and a reference pattern (7) used for determining the center of the image sent to the camera module to be detected.

3. The camera module vision testing system according to claim 2, characterized in that the reference pattern (61) comprises at least two intersecting reference lines, and the reference lines intersect at the axis of the optical axis of the range extender (2), the reference pattern (7) comprises at least two intersecting reference lines, and the reference lines intersect at the center of the image sent to the computer (4) by the camera module to be detected.

4. The camera module vision testing system of claim 2, wherein the transparent plate (6) is a transparent acrylic plate.

5. The camera module vision testing system according to claim 2, wherein the positioning member (5) is detachably mounted on the distance-increasing lens (2).

6. The camera module long-range testing system according to claim 5, wherein the bottom of the distance-increasing lens (2) is made of a metal material, the positioning member (5) is made of a magnetic material, and the positioning member (5) is magnetically adsorbed on the bottom of the distance-increasing lens (2).

7. The camera module long-range testing system of claim 6, wherein the positioning member (5) is annular, the diameter of the outer ring of the positioning member is consistent with the diameter of the bottom of the distance-increasing lens (2), and the diameter of the inner ring of the positioning member is matched with the diameter of the transparent plate (6).