Image acquisition equipment

By designing adjustment brackets to adjust the position of the sampling module and fill-up module in the image acquisition equipment, the problems of complex structure and high cost of existing equipment are solved, and adaptable to sampling and mass production of different types of products is achieved.

CN112399039BActive Publication Date: 2025-05-23EVOC SMART IOT TECH CO LTD
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Patent Information

Application Number
CN201910757613.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-08-16
Publication Date
2025-05-23
Estimated Expiration
2039-08-16

AI Technical Summary

Technical Problem

The existing image acquisition equipment has complex structure, high processing difficulty, high production cost, and is not suitable for mass production.

Method used

An image acquisition device is designed to adjust the relative positions of the sampling module and the fill light module at the same time through the adjustment bracket, as well as the position of the sampling module and the fill light module relative to the fixing frame. The structure is simple and suitable for mass production.

Benefits of technology

The sampling of different types of products to be tested is realized. The equipment structure is simple and suitable for large-scale production, reducing production costs.

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Abstract

The present invention provides an image acquisition device, comprising: a fixed frame, a sampling module for sampling a sample to be tested, a fill light module for fill light to the sample to be tested, and an adjustment bracket; the adjustment bracket comprises: a first bracket fixedly connected to the fill light module, a second bracket slidably connected to the sampling module along a first direction, and a third bracket for supporting the first bracket and the second bracket; wherein the third bracket is slidably connected to the fixed frame along a second direction, the first bracket and the second bracket are both slidably connected to the third bracket along a third direction, and the first direction, the second direction and the third direction are three different directions. The present invention can simultaneously adjust the relative positions of the sampling module and the fill light module, as well as the positions of the sampling module and the fill light module relative to the fixed frame, has a simple structure, and is suitable for mass production.
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Description

Technical Field

[0001] The present invention relates to the technical field of image processing, and in particular to an image acquisition device. Background Art

[0002] With the rapid development of artificial intelligence and industrial automation, the use of machine vision technology for image acquisition in the product inspection process has received more and more attention and attention.

[0003] In industrial product testing, the role of image acquisition equipment is particularly important. For example, in the back-end testing of TV production lines, manual testing is the main method. Even if image acquisition equipment is used for product testing, the image acquisition equipment on the market is generally complex in structure, difficult to process, and expensive to produce, and is not suitable for mass production. Summary of the invention

[0004] To solve the above problems, the image acquisition device provided by the present invention can simultaneously adjust the relative positions of the sampling module and the fill light module, as well as the positions of the sampling module and the fill light module relative to the fixing frame. It has a simple structure and is suitable for mass production.

[0005] The present invention provides an image acquisition device, comprising: a fixing frame, a sampling module for sampling a sample to be tested, a light supplement module for supplementing light for the sample to be tested, and an adjustment bracket;

[0006] The adjusting bracket comprises: a first bracket fixedly connected to the fill light module, a second bracket slidably connected to the sampling module along a first direction, and a third bracket used to support the first bracket and the second bracket;

[0007] The third bracket is slidably connected to the fixing bracket along the second direction, the first bracket and the second bracket are slidably connected to the third bracket along the third direction, and the first direction, the second direction and the third direction are three different directions.

[0008] Optionally, the fill light module includes a bar light source, the bar light source is rotatably connected to the first bracket, and the bar light source rotates along an axial direction of the bar light source.

[0009] Optionally, a through hole having an arc-shaped opening is formed at one end of the first bracket;

[0010] The adjusting bracket further comprises: a positioning member, wherein the positioning member comprises a connecting portion for driving the bar-shaped light source to rotate, and

[0011] a positioning portion for fixing the connecting portion in the through hole;

[0012] The positioning portion is fixedly connected to one end of the connecting portion, and the other end of the connecting portion passes through the through hole and is fixedly connected to the strip light source.

[0013] Optionally, the number of the fill light modules is at least two.

[0014] Optionally, when the number of the fill light modules is two, the number of the first brackets is two, and each fill light module is fixedly connected to a different first bracket.

[0015] Optionally, a support beam is provided between the two fill light modules, and two ends of the support beam are respectively slidably connected to corresponding first brackets.

[0016] Optionally, the number of the sampling modules is at least two.

[0017] Optionally, when the number of the sampling modules is two, the number of the second bracket is one, and each of the sampling modules is slidably connected to the second bracket.

[0018] Optionally, the image acquisition device includes a production line for conveying the samples to be tested, and the production line is located below the sampling module.

[0019] Optionally, the image sampling device further includes: a driving module, wherein the driving module is used to drive the third bracket to slide relative to the fixing bracket along the second direction.

[0020] The image acquisition device provided by the embodiment of the present invention can simultaneously adjust the relative positions of the sampling module and the fill light module, as well as the positions of the sampling module and the fill light module relative to the fixed frame by adjusting the bracket, so that the image sampling device can sample different styles of products to be tested, and the image sampling device has a simple structure and is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic structural diagram of an image acquisition device according to an embodiment of the present application;

[0022] Figure 2 A schematic structural diagram of an adjustment bracket according to an embodiment of the present application;

[0023] Figure 3 A schematic structural diagram of an adjustment bracket according to an embodiment of the present application;

[0024] Figure 4 This is a schematic structural diagram of an adjustment bracket according to an embodiment of the present application.

[0025] Reference numerals

[0026] 1. Fixed frame; 11. Fixed beam; 2. Sampling module; 21. Camera; 3. Fill light module; 31. Strip light source; 4. Adjustment bracket; 41. First bracket; 411. First fixed beam; 412. First fixed plate; 413. First slider; 414. Fixing piece; 4141. Through hole; 42. Second bracket; 421. Second fixed beam; 422. Second fixed plate; 423. Second slider; 424. Slide plate; 43. Third bracket; 431. Third slider; 44. Support beam; 5. Production line; 61. Positioning unit; 611. Wrench; 62. Drive module; 621. Motor; 63. Slide rail; 64. Baffle plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The present invention provides an image acquisition device, combined with Figure 1 The image acquisition device includes: a fixing frame 1, a sampling module 2 for sampling the sample to be tested, a fill light module 3 for fill light for the sample to be tested, and an adjustment bracket 4.

[0029] Combination Figure 2 and Figure 3 The adjustment bracket 4 includes: a first bracket 41 fixedly connected to the fill light module 3, a second bracket 42 slidably connected to the sampling module 2 along a first direction, and a third bracket 43 for supporting the first bracket 41 and the second bracket 42.

[0030] The third bracket 43 is slidably connected to the fixing bracket 1 along the second direction, the first bracket 41 and the second bracket 42 are slidably connected to the third bracket 43 along the third direction, and the first direction, the second direction and the third direction are three different directions.

[0031] In this embodiment, the first direction, the second direction and the third direction are three mutually perpendicular directions, but are not limited thereto. In this embodiment, the first direction is the left-right direction, the second direction is the front-back direction, and the third direction is the up-down direction.

[0032] The image acquisition device can simultaneously adjust the relative positions of the sampling module 2 and the fill light module 3, as well as the positions of the sampling module 2 and the fill light module 3 relative to the fixed frame 1 by adjusting the bracket 4, so that the image sampling device can sample different styles of products to be tested, and the image sampling device has a simple structure and is suitable for mass production.

[0033] The fill light module 3 includes a strip light source 31, the strip light source 31 is rotatably connected to the first bracket 41, and the strip light source 31 rotates along the axial direction of the strip light source 31. A through hole 4141 with an arc-shaped opening is provided at one end of the first bracket 41. The adjustment bracket 4 also includes: a positioning member, the positioning member includes a connecting portion for driving the strip light source 31 to rotate, and a positioning portion for fixing the connecting portion in the through hole 4141. The positioning portion is fixedly connected to one end of the connecting portion, and the other end of the connecting portion passes through the through hole 4141 and is fixedly connected to the strip light source 31.

[0034] Specific, combined Figure 2 , the first bracket 41 is located below the second bracket 42. The first bracket 41 includes: a first fixed beam 411, a first fixed plate 412, a first slider 413 and a fixing member 414. The first fixed plate 412 is located on the side of the first fixed beam 411 facing the third bracket 43, and is fixedly connected to the first fixed beam 411. The first slider 413 is located on the side of the first fixed plate 412 close to the third bracket 43, and is fixedly connected to the first fixed plate 412. One end of the first slider 413 away from the first fixed plate 412 is slidably connected to the third bracket 43 along the third direction. The fixing member 414 is fixedly arranged at the front and rear ends of the first fixed beam 411, and the bar light source 31 is rotatably connected to the fixing member 414. The through hole 4141 is opened on the fixing member 414, and the axis of the through hole 4141 coincides with the rotation axis of the bar light source 31, and the curvature of the through hole 4141 is 45 degrees to 360 degrees; in the present embodiment, the curvature of the through hole 4141 is 180 degrees, and the cross-sectional shape of the through hole 4141 is convex upward.

[0035] The width of the cross section of the positioning portion is greater than the width of the opening of the through hole 4141, and the positioning portion is located on the side of the fixing member 414 away from the bar light source 31, wherein the positioning member can be a screw structure, or a structure combined with a screw and a nut. In the present embodiment, the positioning member is a screw structure.

[0036] When the strip light source 31 is driven to rotate by the positioning piece, the strip light source 31 can adjust the illumination angle of the strip light source 31 within a range of 180 degrees according to the curvature of the through hole 4141; when the illumination angle of the strip light source 31 is adjusted, the strip light source 31 can be fixed on the first bracket 41 by twisting the positioning piece, which is easy to operate and has a simple structure.

[0037] The number of the fill light modules 3 may be one or more, but considering the size of the product to be tested, in this embodiment, the number of the fill light modules 3 is at least two. Specifically, considering the manufacturing cost of the device and the fill light effect, it is preferred that the number of the fill light modules 3 is two. When the number of the fill light modules 3 is two, the number of the first brackets 41 is two, and each fill light module 3 is fixedly connected to a different first bracket 41.

[0038] The image acquisition device includes a production line 5 for conveying the sample to be tested, and the production line 5 is located below the sampling module 2. Specifically, the sampling module 2 includes: a camera 21, and the shooting direction of the camera 21 is vertically facing the production line 5 and is located below the fill light module 3. The two first brackets 41 are respectively fixedly arranged on both sides of the conveying direction of the production line 5. And the two bar light sources 31 are arranged oppositely, so that the light can be projected onto the product to be tested from both sides of the production line 5, thereby providing a good image acquisition environment.

[0039] A support beam 44 is provided between the two fill light modules 3, and the two ends of the support beam 44 are respectively connected to the corresponding first bracket 41 in a sliding manner. In this embodiment, there are two support beams 44, which are respectively located on both sides of the second bracket 42. The provision of the support beam 44 can not only increase the structural stability of the adjustment bracket 4, but also the two support beams 44 are connected to the support bracket in a sliding manner, and the distance between the two support beams 44 can be adjusted according to the field of view of the camera 21, that is, it can provide a reference coordinate for the camera 21 to shoot, and is suitable for the requirements of different shooting fields of the camera 21.

[0040] The number of the sampling modules 2 can be one or more, but considering the size of the product to be tested, in this embodiment, the number of the sampling modules 2 is at least two. Specifically, considering the manufacturing cost of the device and the fill light effect, it is preferred that the number of the sampling modules 2 is two. When the number of the sampling modules 2 is two, the number of the second bracket 42 is one, and each of the sampling modules 2 is slidably connected to the second bracket 42.

[0041] Specific, combined Figure 2 and Figure 3The second bracket 42 includes: a second fixed beam 421, a second fixed plate 422, a second slider 423 and a slider 424. The slider 424 is fixedly connected to the sampling module 2 and is slidably connected to the second fixed beam 421 along a first direction. The two second fixed plates 422 are respectively located at the two ends of the second fixed beam 421 facing the third bracket 43, and are fixedly connected to the second fixed beam 421. The second slider 423 is located on a side of the second fixed plate 422 close to the third bracket 43, and is fixedly connected to the second fixed plate 422. One end of the second slider 423 away from the second fixed plate 422 is slidably connected to the third bracket 43 along a third direction.

[0042] In an optional embodiment, in combination Figure 4 The first slider 413 and the second slider 423 are both provided with a positioning unit 61, and the positioning unit 61 includes a wrench 611 and a locking assembly. Turning the wrench 611 can control the locking assembly to switch between a locked state and a loosened state, thereby facilitating the fixing and sliding of the first slider 413 and the second slider 423.

[0043] The image sampling device further includes: a driving module 62, which is used to drive the third bracket 43 to slide relative to the fixed frame 1 along the second direction. Specifically, the driving module 62 includes: a motor 621 and a chain used to drive the third bracket 43 to slide relative to the fixed frame 1 along the second direction. The two third brackets 43 are both provided with a slide rail 63 on the side away from the second bracket 42, and the third brackets 43 are both slidably connected to the corresponding slide rail 63 along the second direction through the third slider 431. Among them, one slide rail 63 is fixedly connected to the fixed frame 1, and the other slide rail 63 is fixedly connected to the fixed frame 1 through the fixed beam 11; the motor 621 is fixedly arranged above the fixed beam 11; one end of the chain is sleeved with the motor 621, and the other end is sleeved with the third slider 431 close to the fixed beam 11. The setting of the driving module 62 can improve the automation of the image acquisition device and save labor consumption.

[0044] The image acquisition device further includes: a baffle plate 64. The baffle plate 64 is located on the side of the production line 5 away from the motor 621, and is fixedly connected to the fixing frame 1 and the corresponding slide rail 63. The baffle plate 64 can not only support the slide rail 63, but also isolate the electrical box and the industrial computer of the image acquisition device from the adjustment bracket 4 to play a role in safety protection.

[0045] The image acquisition device can sample the product to be tested simultaneously through two sampling modules 2, and the two sampling modules 2 can move relative to the fixed frame 1 along the first direction, the second direction and the third direction, so that not only can the sufficiency and completeness of the sampling be ensured, but also the image sampling device can perform image acquisition on the products to be tested of different specifications and sizes. The two fill light modules 3 can not only move relative to the fixed frame 1 along the first direction, the second direction and the third direction, but also the fill light angle of the fill light module 3 can be adjusted, which is simple to operate, not only improves the sampling quality of the sampling module 2, but also can be applied to the products to be tested of different specifications and sizes.

[0046] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An image acquisition device, It is characterized in that include: A fixing frame, a sampling module for sampling the sample to be tested, a fill light module for filling light for the sample to be tested, and an adjustment bracket; The adjusting bracket comprises: a first bracket fixedly connected to the fill light module, a second bracket slidably connected to the sampling module along a first direction, and a third bracket used to support the first bracket and the second bracket; Among them, the third bracket is slidably connected to the fixed bracket along the second direction, the first bracket and the second bracket are both slidably connected to the third bracket along the third direction, the first direction, the second direction and the third direction are three different directions, the first direction is perpendicular to the second direction, and the fill light module includes a strip light source, which extends along the second direction and is located on opposite sides of the sampling module.

2. The image acquisition device according to claim 1, It is characterized in that The bar-shaped light source is rotatably connected to the first bracket, and the bar-shaped light source rotates along the axial direction of the bar-shaped light source.

3. The image acquisition device according to claim 2, It is characterized in that A through hole with an arc-shaped opening is formed at one end of the first bracket; The adjusting bracket further comprises: a positioning member, wherein the positioning member comprises a connecting portion for driving the bar-shaped light source to rotate, and a positioning portion for fixing the connecting portion in the through hole; The positioning portion is fixedly connected to one end of the connecting portion, and the other end of the connecting portion passes through the through hole and is fixedly connected to the strip light source.

4. The image acquisition device according to claim 1, It is characterized in that The number of the fill light modules is at least two.

5. The image acquisition device according to claim 1, It is characterized in that When there are two fill light modules, there are two first brackets, and each fill light module is fixedly connected to a different first bracket.

6. The image acquisition device according to claim 4 or 5, It is characterized in that A support beam is arranged between the two fill light modules, and two ends of the support beam are respectively slidably connected to the corresponding first brackets.

7. The image acquisition device according to claim 1, It is characterized in that The number of the sampling modules is at least two.

8. The image acquisition device according to claim 1, It is characterized in that When there are two sampling modules, there is one second bracket, and each sampling module is slidably connected to the second bracket.

9. The image acquisition device according to claim 1, It is characterized in that The image acquisition device comprises a production line for conveying the sample to be tested, and the production line is located below the sampling module.

10. The image acquisition device according to claim 1, It is characterized in that The image acquisition device further includes: a driving module, and the driving module is used to drive the third bracket to slide relative to the fixing bracket along the second direction.

Citation Information

Patent Citations

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