Complete test system for automobile camera monitoring system

Abstract

The utility model discloses a complete test system for an automobile camera monitoring system, which comprises a camera support, a camera assembly supported on the camera support, an image card support arranged outside an image taking end of the camera assembly, an image card clamped on the image card support, and the image card arranged towards the camera assembly. A point light source assembly and a light supplementing light source are sequentially arranged between the camera assembly and the image card; the vehicle-mounted display screen is electrically connected with the camera assembly; in combination with the point light source assembly and the light supplementing light source, shooting environment simulation can be carried out, an image card is shot, a shot image is presented on a vehicle-mounted display screen, and project detection is carried out through an optical instrument; the test system is high in overall integration level, and can realize detection of numerous items in a limited space.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessory testing devices, in particular to a complete testing system for an automobile camera monitoring system. Background Art

[0002] With the progress of the times and the development of science and technology, the car's external cabin camera monitoring system plays an increasingly important role in car safety and driving experience. As an innovative product that integrates camera modules and displays, the car's external cabin camera monitoring system has become an innovative technology in the field of automotive electronics.

[0003] After the car's exterior camera monitoring system is designed and produced, its parameters need to be tested and evaluated. China's new national standard for automotive rearview mirrors GB 15084-2022 specifies the test items in optics and imaging, including directional uniformity, lateral uniformity, sharpness, resolution, depth of field, brightness contrast reproduction, geometric distortion testing, etc., as many as 15 items.

[0004] In the prior art, when testing the vehicle's exterior camera monitoring system, it is necessary to apply multiple test devices and repeatedly clamp and disassemble the camera or display, which is very troublesome, takes a long time, and is inefficient. Utility Model Content

[0005] In order to solve the above problems, the present application provides a complete test system for an automobile camera monitoring system with a reasonable structure. The test system has a high overall integration and can realize the detection of many projects in a limited space.

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

[0007] A complete test system for an automobile camera monitoring system comprises a camera support, a camera assembly is supported on the camera support, a picture card support is arranged outside the imaging end of the camera assembly, a picture card is clamped on the picture card support, and the picture card is arranged toward the camera assembly; a point light source assembly and a fill light source are arranged in sequence between the camera assembly and the picture card; and a vehicle-mounted display screen electrically connected to the camera assembly is also included.

[0008] As a further improvement of the above technical solution:

[0009] The vehicle-mounted display screen is supported on a display screen support, an optical instrument is arranged toward the vehicle-mounted display screen, and a solar point light source is arranged between the vehicle-mounted display screen and the optical instrument.

[0010] It also includes a base, the top surface of the base is equipped with an adjustable instrument support, the optical instrument is supported and installed via the adjustable instrument support, and the display screen support is installed on the top surface of the base outside the adjustable instrument support; the base is also equipped with a vertical bracket, the vertical bracket is equipped with an axially vertical bearing assembly, a vertical adjustment mechanism is installed via the bearing assembly, and the vertical adjustment mechanism is equipped with a solar point light source.

[0011] The optical instrument includes but is not limited to an imaging brightness meter, a grayscale response time measuring instrument, and a multi-viewing angle spectrometer; the adjustable support of the instrument is an XYZ three-way adjustment structure.

[0012] The structure of the display screen support is as follows: it includes a rotating seat installed on the top surface of the base, a U-shaped bracket is installed on the top surface of the rotating seat, the inner side of the U-shaped bracket supports the vehicle display screen, and the U-shaped bracket is installed with lateral clamps on both sides of the vehicle display screen.

[0013] The bottom surface of the camera support is slidably mounted on the first adjustment track, and the bottom surface of the picture card bracket is slidably mounted on the second adjustment track. The first adjustment track and the second adjustment track are parallel to each other and arranged front to back in the length direction.

[0014] The fill light source comprises two groups arranged on both sides of the second adjustment track.

[0015] The point light source assembly includes but is not limited to a single point light source and a double point light source.

[0016] The structure of the camera support is as follows: it includes a support seat, a lifting platform is installed on the support seat via a screw lifting assembly, a fine-tuning pan-tilt is installed on the top surface of the lifting platform, and the camera assembly is supported and installed on the fine-tuning pan-tilt; the support seat located in front of the imaging end of the camera assembly also supports and installs a vertically arranged shielding plate, the shielding plate is fitted with an adjustable mounting plate, and the shielding plate is combined with the adjustable mounting plate to adjust the through hole for the camera assembly to penetrate and take images.

[0017] The picture card bracket includes a supporting frame, a picture card is mounted on the side of the supporting frame by an L-shaped clamp, and an illuminance meter is also mounted on the supporting frame located at the picture card; the interior of the supporting frame forms an accommodating space for accommodating multiple picture cards.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] The utility model has a compact layout and is easy to operate. It can simulate the shooting environment by combining the point light source component and the fill light source, shoot the picture card, and the shot image is presented on the vehicle display screen, and the project is tested through the optical instrument; the overall integration of the test system is high, and the detection of many projects can be realized in a limited space;

[0020] During the entire testing process, the camera components and display screens only need to be clamped once. The position, posture, direction, etc. of the testing mechanism can be adjusted to meet different testing requirements, effectively improving the testing efficiency, with good practicality and high flexibility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 The utility model is a schematic diagram of the installation of optical instruments and vehicle-mounted display screens above the base.

[0023] Figure 3 It is a structural schematic diagram of the camera support of the utility model.

[0024] Figure 4 It is a structural schematic diagram of the picture card bracket of the utility model.

[0025] Among them: 1. Base; 2. Adjustable instrument support; 3. Optical instrument; 4. Display screen support; 5. Sun point light source; 6. Camera support; 7. Point light source assembly; 8. Fill light source; 9. Picture card bracket; 10. Car display screen; 20. Camera assembly;

[0026] 41. Rotating seat; 42. U-shaped bracket; 43. Lateral clamping piece;

[0027] 51. vertical bracket; 52. bearing assembly; 53. vertical adjustment mechanism;

[0028] 61. Adjustment track 1; 62. Support seat; 63. Screw lifting assembly; 64. Lifting platform; 65. Fine adjustment platform; 66. Shielding plate; 67. Adjustable mounting plate; 661. Through hole;

[0029] 90. Chart card; 91. Adjustment track 2; 92. Support frame; 93. Lux meter; 94. L-shaped clamp; 95. Accommodation space. DETAILED DESCRIPTION

[0030] The specific implementation of the present utility model is described below in conjunction with the accompanying drawings.

[0031] like Figure 1 As shown, the complete test system of the automobile camera monitoring system of this embodiment includes a camera support 6, on which a camera assembly 20 is supported, a picture card support 9 is arranged outside the imaging end of the camera assembly 20, a picture card 90 is clamped on the picture card support 9, and the picture card 90 is arranged toward the camera assembly 20; a point light source assembly 7 and a fill light source 8 are arranged in sequence between the camera assembly 20 and the picture card 90, and also includes a vehicle-mounted display screen 10 electrically connected to the camera assembly 20.

[0032] In this embodiment, the point light source component 7 and the fill light source 8 can be combined to simulate the shooting environment. The camera component 20 shoots the picture card 90, and the captured image is presented on the vehicle display screen 10, and the project detection is performed through the optical instrument 3.

[0033] During the entire testing process, the camera assembly 20 and the vehicle-mounted display screen 10 only need to be clamped once, and the position, posture, direction, etc. of the testing mechanism can be adjusted to meet different testing requirements, effectively improving the testing efficiency, with good practicality and high flexibility of use.

[0034] The vehicle-mounted display screen 10 is supported on a display screen support 4 , an optical instrument 3 is arranged toward the vehicle-mounted display screen 10 , and a solar point light source 5 is arranged between the vehicle-mounted display screen 10 and the optical instrument 3 .

[0035] In actual use, the solar point light source 5 simulates the actual environment in which sunlight illuminates the vehicle-mounted display screen 10 , and the image parameters of the vehicle-mounted display screen 10 are collected via the optical instrument 3 .

[0036] like Figure 2 As shown, it also includes a base 1, on the top surface of which an adjustable instrument support 2 is installed, and an optical instrument 3 is supported and installed via the adjustable instrument support 2, and a display screen support 4 is installed on the top surface of the base 1 outside the adjustable instrument support 2; a vertical bracket 51 is also installed on the base 1, and an axially vertical bearing assembly 52 is installed on the vertical bracket 51, and a vertical adjustment mechanism 53 is installed via the bearing assembly 52, and a solar point light source 5 is installed on the vertical adjustment mechanism 53.

[0037] In this embodiment, the optical instrument 3, the solar point light source 5, and the vehicle-mounted display screen 10 are all installed on the base 1 to form a modular structure, which is convenient for adjustment and use during the test process.

[0038] In this embodiment, the bearing assembly 52 is provided to realize the rotation of the solar point light source 5 in the horizontal direction, and the vertical adjustment mechanism 53 is used to realize the adjustment of the height of the solar point light source 5.

[0039] In actual use, the rotation and height adjustment of the solar point light source 5 can be driven by an electric or other automated mechanism including a motor and an electric cylinder, or can be driven manually by a hand wheel, which is convenient for actual testing.

[0040] The optical instrument 3 includes but is not limited to an imaging brightness meter, a grayscale response time measuring instrument, and a multi-viewing angle spectrometer; the adjustable instrument support 2 is an XYZ three-axis adjustment structure.

[0041] In actual use, the optical instrument 3 may also be replaced by other testing instruments corresponding to the test items.

[0042] The structure of the display screen support 4 is as follows: it includes a rotating seat 41 installed on the top surface of the base 1, a U-shaped bracket 42 is installed on the top surface of the rotating seat 41, the inner side of the U-shaped bracket 42 supports the vehicle display screen 10, and the U-shaped bracket 42 is installed with lateral clamping parts 43 on both sides of the vehicle display screen 10.

[0043] In this embodiment, the rotating seat 41 can be a standard product such as an existing turntable, as long as it can realize the horizontal rotation of the vehicle-mounted display screen 10 .

[0044] In this embodiment, the display screen support 4 is suitable for clamping and fixing most vehicle-mounted screens, has high versatility, and is convenient and reliable to clamp and use.

[0045] The bottom surface of the camera support 6 is slidably mounted on the adjustment track 1 61 , and the bottom surface of the picture card bracket 9 is slidably mounted on the adjustment track 2 91 . The adjustment track 1 61 and the adjustment track 2 91 are parallel to each other and arranged front to back in the length direction.

[0046] In this embodiment, by setting the adjustment track 1 61 and the adjustment track 2 91, it is convenient to adjust the position and distance of the chart card 90 and the camera assembly 20, effectively improving the flexibility of the test system and facilitating the expansion of subsequent test functions.

[0047] The fill light source 8 includes two groups arranged on both sides of the second adjustment track 91; for example, a double vertical multi-color temperature large fill light source is used.

[0048] The point light source assembly 7 includes but is not limited to a single point light source and a double point light source.

[0049] During the test, a single point light source can be used to simulate the sun's point light, and a double point light source can be used to simulate the car's headlights. Of course, other forms of light source components can also be used according to actual test requirements.

[0050] like Figure 3 As shown, the structure of the camera support 6 is: it includes a support base 62, on which a lifting platform 64 is installed via a screw lifting assembly 63; a fine-tuning pan-tilt head 65 is installed on the top surface of the lifting platform 64, and the camera assembly 20 is supported and installed on the fine-tuning pan-tilt head 65; the support base 62 located in front of the imaging end of the camera assembly 20 also supports and installs a vertically arranged shielding plate 66, and the shielding plate 66 is fitted with an adjustable mounting plate 67, and the shielding plate 66 is combined with the adjustable mounting plate 67 to adjust the through hole 661 for the camera assembly 20 to penetrate and take images.

[0051] In this embodiment, the height can be adjusted conveniently via the lead screw lifting assembly 63, the shooting angle can be adjusted conveniently via the fine-tuning pan-tilt head 65, and the shooting distance can be adjusted conveniently via the adjusting track 1 61, thereby effectively satisfying the imaging requirements of the camera assembly 20 during the test process, and facilitating a more realistic and accurate shooting state simulation.

[0052] In this embodiment, by mounting the adjustable mounting plate 67 on the shielding plate 66 , the size of the through hole 661 can be adjusted quickly and conveniently, thereby adjusting the window size of the camera assembly 20 .

[0053] In this embodiment, the fine-tuning gimbal 65 can adopt existing standard products, such as a five-axis, six-axis, or other multi-angle rotating gimbal structure, which is convenient for adjusting the spatial angle of the camera assembly 20 to match the implementation of the test project.

[0054] like Figure 4 As shown, the picture card bracket 9 includes a supporting frame 92, and a picture card 90 is clamped and installed on the side of the supporting frame 92 via an L-shaped clamp 94. An illuminance meter 93 is also installed on the supporting frame 92 located at the picture card 90 to provide a guarantee for precise adjustment of the fill light; the interior of the supporting frame 92 constitutes a accommodating space 95 for accommodating multiple picture cards 90.

[0055] In actual testing, corresponding chart cards 90 can be selected and clamped on the support frame 92 according to actual testing requirements, and the remaining chart cards 90 can be stored in the accommodating space 95 in an orderly manner.

[0056] The method of using the utility model is:

[0057] Select the picture card 90 according to the test item, adjust the shooting distance by adjusting the track 1 61 and the track 2 91, adjust the height and angle of the camera assembly 20 to the accurate position through the screw lifting assembly 63 and the fine-tuning pan / tilt 65, and use the illuminance meter 93 to supplement the picture card 90 with the supplementary light source 8. Use the single point light source in the point light source assembly 7 to simulate the sun's point light, and use the double point light sources in the point light source assembly 7 to simulate the car headlights to complete the simulation of the shooting environment; then, operate the camera assembly 20 to shoot the picture card 90, and the shot image is presented on the vehicle display screen 10. The angle and position of the sun's point light source 5 can be adjusted to simulate the actual environment of sunlight irradiating the vehicle display screen 10, and then adjust the optical instrument 3 to a suitable test position relative to the vehicle display screen 10 through the adjustable support 2 of the instrument, and the corresponding test item can be completed by the optical instrument 3.

[0058] In actual tests, a white balance chart can be used in combination with a fill light source 8, and an imaging brightness meter can be used to test directional uniformity and lateral uniformity; the white balance chart can be replaced with a clarity and sharpness test chart to test sharpness and resolution; a depth of field test chart can be used to test depth of field; a checkerboard distortion test chart can be used in combination with a fill light source 8, a point light source of the sun, an imaging brightness meter, etc., to perform brightness contrast reproduction tests and geometric distortion tests; a point light source can be used in combination with an imaging brightness meter to perform halo and glare tests, etc.

[0059] The utility model is easy to operate and is used to implement the test of the automobile camera monitoring system in terms of optics and imaging. The overall integration of the test system is high and the detection of many items can be implemented in a limited space.

[0060] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0061] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the protection scope of the utility model.

Claims

1. A complete test system for a car camera monitoring system, characterized in that: The invention comprises a camera support (6), a camera assembly (20) being supported on the camera support (6), a picture card support (9) being arranged outside the image-taking end of the camera assembly (20), a picture card (90) being clamped on the picture card support (9), and the picture card (90) being arranged toward the camera assembly (20); a point light source assembly (7) and a fill light source (8) being arranged in sequence between the camera assembly (20) and the picture card (90); and a vehicle-mounted display screen (10) being electrically connected to the camera assembly (20).

2. The complete test system for the automotive camera monitoring system as claimed in claim 1, characterized in that: The vehicle-mounted display screen (10) is supported on a display screen support (4), an optical instrument (3) is arranged toward the vehicle-mounted display screen (10), and a solar point light source (5) is arranged between the vehicle-mounted display screen (10) and the optical instrument (3).

3. The complete test system for the automobile camera monitoring system as claimed in claim 2, characterized in that: The invention also comprises a base (1), wherein an adjustable instrument support (2) is installed on the top surface of the base (1), an optical instrument (3) is supported and installed via the adjustable instrument support (2), and a display screen support (4) is installed on the top surface of the base (1) outside the adjustable instrument support (2); a vertical bracket (51) is also installed on the base (1), an axially vertical bearing assembly (52) is installed on the vertical bracket (51), a vertical adjustment mechanism (53) is installed via the bearing assembly (52), and a solar point light source (5) is installed on the vertical adjustment mechanism (53).

4. The complete test system for the automotive camera monitoring system as claimed in claim 3, characterized in that: The optical instrument (3) includes but is not limited to an imaging brightness meter, a grayscale response time measuring instrument, and a multi-viewing angle spectrometer; the adjustable instrument support (2) is an XYZ three-way adjustment structure.

5. The complete test system for the automobile camera monitoring system as claimed in claim 2, characterized in that: The structure of the display screen support (4) is as follows: it comprises a rotating seat (41) mounted on the top surface of the base (1), a U-shaped bracket (42) is mounted on the top surface of the rotating seat (41), the inner side of the U-shaped bracket (42) supports the vehicle display screen (10), and the U-shaped bracket (42) is mounted with lateral clamping members (43) on both sides facing the vehicle display screen (10).

6. The complete test system for the automotive camera monitoring system as claimed in claim 1, characterized in that: The bottom surface of the camera support (6) is slidably mounted on the first adjustment track (61), and the bottom surface of the picture card bracket (9) is slidably mounted on the second adjustment track (91). The first adjustment track (61) and the second adjustment track (91) are parallel to each other and arranged front to back in the length direction.

7. The complete test system for the automobile camera monitoring system as claimed in claim 6, characterized in that: The supplementary light source (8) comprises two groups arranged on both sides of the second adjustment track (91).

8. The complete test system for the automobile camera monitoring system as claimed in claim 1, characterized in that: The point light source assembly (7) includes but is not limited to a single point light source and a double point light source.

9. The complete test system for the automobile camera monitoring system as claimed in claim 1, characterized in that: The structure of the camera support (6) is as follows: it comprises a support seat (62), a lifting platform (64) is installed on the support seat (62) via a screw lifting assembly (63), a fine-tuning platform (65) is installed on the top surface of the lifting platform (64), and the camera assembly (20) is supported and installed on the fine-tuning platform (65); a vertically arranged shielding plate (66) is also supported and installed on the support seat (62) located in front of the imaging end of the camera assembly (20), and the shielding plate (66) is fitted with an adjustable mounting plate (67), and the shielding plate (66) is combined with the adjustable mounting plate (67) to adjust a through hole (661) for the camera assembly (20) to penetrate and capture images.

10. The complete test system for automobile camera monitoring system as claimed in claim 1, characterized in that: The picture card bracket (9) comprises a supporting frame (92), a picture card (90) is clamped and installed on the side of the supporting frame (92) via an L-shaped clamping piece (94), and an illuminance meter (93) is also installed on the supporting frame (92) located at the picture card (90); and a receiving space (95) for receiving a plurality of picture cards (90) is formed inside the supporting frame (92).

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