Visual inspection mechanism for teaching

Abstract

The utility model discloses a visual inspection mechanism for teaching, and belongs to the technical field of visual inspection. The device comprises a bracket; the bracket is vertically arranged; the visual assembly comprises a first camera, a second camera, a first connecting piece and a control system; the first camera is arranged at the top of the bracket; one end of the first connecting piece is connected with the first camera, and the other end is connected with the second camera; lens ends of the first camera and the second camera are arranged downwards; the first camera and the second camera are in circuit connection with the control system. Two different vision cameras, the first camera and the second camera are arranged, the first camera is a depth camera, the second camera is a monocular camera, during teaching, a teacher can control the first camera or the second camera to be turned on through an operation system, corresponding teaching is carried out, the universality is high, the system can be suitable for multiple different application scenes, and the teaching efficiency is improved. Students can easily master the knowledge of visual detection and understand the difference between different visual cameras.

Description

TECHNICAL FIELD

[0001] The utility model belongs to visual inspection technical field, concretely relates to a visual inspection mechanism for teaching. BACKGROUND

[0002] Visual inspection is to convert the target to be taken into image signals by machine vision products, transmit to image processing system, and according to pixel distribution, color etc., convert into digital signals, can improve the automation degree of production, and is widely applied to production, assembly or packaging device etc.

[0003] At present, along with the development of technology and the upgrading of industrial structure, in order to adapt to the progress of science and technology, part of colleges and universities has introduced the related subject of visual technology to enable students to fully understand visual technology.But the relevant visual inspection teaching equipment is mostly introduced by colleges and universities in cooperation with enterprises, and the visual inspection equipment and professional technology of cooperation with enterprises are linked, and the professional and targeted are strong, the operation is complex, it is not easy for students to understand, and the teaching effect is not ideal.

[0004] Such as patent announcement number CN216211717U, discloses an automatic alignment teaching experiment platform based on machine vision guidance, the platform includes base, multi-degree-of-freedom alignment platform, machine vision system and host computer;Multi-degree-of-freedom alignment platform includes multi-degree-of-freedom drive mechanism, positioning seat and lower computer;Multi-degree-of-freedom drive mechanism is arranged on the base, positioning seat is installed on multi-degree-of-freedom drive mechanism, for placing test workpiece;Lower computer is electrically connected with multi-degree-of-freedom drive mechanism;Machine vision system includes mounting bracket, camera and image acquisition card;Mounting bracket is fixed on the base, camera is connected mounting bracket and is located above positioning seat, to shoot test workpiece;Image acquisition card is electrically connected with camera;Host computer is electrically connected with lower computer and image acquisition card.

[0005] The above teaching experiment platform helps students to understand the whole alignment process, deepens the understanding and use of machine vision technology, so as to better master the related knowledge.But the machine teaching system of the patent is provided with an industrial camera, the professional and targeted are strong, students are not easy to master other applications of visual inspection, and the position of industrial camera is fixed, not easy to adjust, poor flexibility, the position between industrial camera and the object to be detected cannot be adjusted, and students are not easy to understand the theoretical knowledge of visual inspection. UTILITY MODEL CONTENT

[0006] The utility model provides a kind of visual inspection mechanism for teaching to solve the technical problem mentioned in background art.

[0007] To achieve the above object, the utility model adopts the following technical solutions:

[0008] The utility model provides a visual detection mechanism for teaching, including: support, the support vertical setting, visual component, including first camera, second camera, first connecting piece and control system, first camera sets up in the top of support, one end of first connecting piece is connected with first camera, and the other end is connected with second camera, the lens end of first camera and second camera sets up downward, first camera and second camera are connected with control system circuit.

[0009] As a further improvement of the technical solution, the first camera is a depth camera, and the second camera is a monocular camera.

[0010] As a further improvement of the technical solution, the first connecting piece includes a first connecting block, the first camera is connected with the support through the first connecting block, the plate surface of the first connecting block is connected with the first camera, one end of the first connecting block is connected with the second camera, and the other end of the first connecting block is connected with the top of the support.

[0011] As a further improvement of the technical solution, the first connecting piece further includes a second connecting block, the second camera is connected with the first connecting block through the second connecting block, one end of the second connecting block is connected with the side surface of the second camera, and the other end of the second connecting block is connected with one end of the first connecting block away from the support.

[0012] As a further improvement of the technical solution, the second connecting block includes a sleeve body, a shaft body and an adjusting rod, one end of the sleeve body is provided with a notch corresponding to the shaft body, the other end of the sleeve body is connected with the first connecting block, one end of the shaft body is inserted into the notch and rotationally connected with the sleeve body, the other end of the shaft body is connected with the second camera, a threaded hole is formed in the side surface of the sleeve body, the threaded hole is communicated with the notch, one end of the adjusting rod is inserted into the threaded hole, the adjusting rod is threadedly connected with the threaded hole and is in contact with the shaft body.

[0013] As a further improvement of the technical solution, the sleeve body is a cylindrical structure, and a scale line is arranged on the outer wall of the sleeve body along the circumferential direction of the axis of the sleeve body.

[0014] As a further improvement of the technical scheme, the support further comprises a second connecting piece; the first connecting piece is connected with the support through the second connecting piece; the second connecting piece comprises a sliding rod, a sliding block and a fastening rod; the sliding rod is vertically arranged on the top of the support; a first sliding groove is arranged on one side surface of the sliding rod, and a second sliding groove is arranged on the other side surface; the first sliding groove and the second sliding groove are consistent with the length direction of the sliding rod; one end of the sliding block is connected with the first connecting piece away from the second camera, and the other end of the sliding block is inserted into the first sliding groove and slidably connected with the sliding rod; a fastening screw hole is arranged in the second sliding groove corresponding to the end of the sliding block inserted into the first sliding groove; one end of the fastening rod is inserted into the second sliding groove and is threadedly connected with the fastening screw hole to stabilize the sliding block.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The application sets two different visual cameras, a first camera and a second camera, wherein the first camera is a depth camera, and the second camera is a monocular camera, wherein the first camera can acquire three-dimensional information of a scene in real time, and the second camera can be applied to scenes such as visual measurement, robot vision and visual tracking; during teaching, a teacher can control the first camera or the second camera to be turned on through an operating system, thereby performing corresponding teaching; the application has strong versatility and can be applied to different application scenes; students can easily master the knowledge of visual detection and understand the differences between different visual cameras. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation to the scope; for ordinary skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The structure diagram of the visual detection mechanism for teaching provided by the utility model Figure 1 ;

[0019] Figure 2 The structure diagram provided by the utility model Figure 2 ;

[0020] Figure 3 The structure diagram provided by the utility model Figure 3 ;

[0021] Figure 4 The enlarged schematic view of A in the utility model Figure 3

[0022] ​Reference numerals: 1 - support, 11 - slide rod, 12 - slide block, 13 - fastening rod, 2 - visual assembly, 21 - first camera, 22 - second camera, 23 - first connecting block, 24 - second connecting block, 241 - sleeve body, 242 - shaft body, 243 - adjusting rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without any creative effort fall within the scope of protection of the present application. Unless otherwise defined, the technical terms or scientific terms used herein should have the usual meanings understood by those of ordinary skill in the art to which the present application belongs.

[0024] The terms "first", "second", and similar terms used in the description and claims of the present application do not denote any order, number, or importance, but are only used to distinguish different components. Similarly, the singular forms "a", "an", and "the" do not denote a quantity limitation, but denote the existence of at least one, unless the context clearly indicates otherwise. The terms "comprise" or "include" and similar terms mean that the elements or objects appearing before "comprise" or "include" cover the features, integers, steps, operations, elements, and / or components listed after "comprise" or "include", and do not exclude the existence or addition of one or more other features, integers, steps, operations, elements, components, and / or sets thereof. The terms "up", "down", "left", "right", and the like are only used to represent relative positional relationships, which may change accordingly when the absolute position of the described object changes.

[0025] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, terms such as "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Embodiment one:

[0027] As Figures 1 to 4As shown in the figure, a visual detection mechanism for teaching includes a bracket 1 and a vision component 2. The bracket 1 is vertically arranged on the workbench surface. Optionally, the bracket 1 is of a portal structure. The vision component 2 includes a first camera 21, a second camera 22, a first connecting member, and a control system. The first camera 21 is arranged in the middle at the top of the bracket 1. One end of the first connecting member is connected to the first camera 21, and the other end is connected to the second camera 22. The first camera 21 and the second camera 22 are distributed in parallel. The lens ends of both the first camera 21 and the second camera 22 are arranged downward, that is, the first camera 21 and the second camera 22 face the workbench surface. Preferably, the first camera 21 is a depth camera, and the second camera 22 is a monocular camera. Both the first camera 21 and the second camera 22 are electrically connected to a control system (not shown in the figure), and the operation of the first camera 21 and the second camera can be controlled on the control system. In addition, it should be noted that the connection manner between the first camera, the second camera and the control system is a conventional connection. The specific models of the first camera, the second camera and the control system are not the improvement points of this application, so no further description will be given here.

[0028] Working mode:

[0029] In this application, two different vision cameras are set, the first camera 21 and the second camera 22. The first camera 21 is a depth camera, and the second camera 22 is a monocular camera. The first camera 21 can obtain three-dimensional information of the scene in real time. The second camera 22 is applicable to scenarios such as visual measurement, robot vision, and visual tracking. During teaching, the teacher can control the first camera 21 or the second camera 22 to turn on through the operating system, so as to carry out corresponding teaching. It has strong versatility, can be applied to multiple different application scenarios, is easy for students to master the knowledge of visual detection, and understand the differences between different vision cameras. <00008]]

[0030] Embodiment 2:

[0031] As Figures 1 to 4 shown, compared with Embodiment 1, the difference is that a structural form of the first connecting member is given. The first connecting member includes a first connecting block 23. The first camera 21 is connected to the bracket 1 through the first connecting block 23. The plate surface of the first connecting block 23 is connected to the top surface of the first camera 21. One end of it is connected to the side surface of the second camera 22, and the other end is connected to the top of the bracket 1. The first camera 21 and the second camera 22 can be connected to the first connecting block 23 through bolts. Optionally, the first connecting block 23 can be of a "king" character structure to facilitate the space for screwing the bolts on the first camera 21 and the second camera 22.

[0032] As Figures 1 to 4As shown, preferably, the first connecting piece further comprises a second connecting block 24; the second camera 22 is connected with the first connecting block 23 through the second connecting block 24; one end of the second connecting block 24 is connected with the side of the second camera 22, and the other end is connected with the end of the first connecting block 23 away from the support 1; the second connecting block 24 comprises a sleeve body 241, a shaft body 242 and an adjusting rod 243; one end of the sleeve body 241 is provided with a notch corresponding to the shaft body 242, and the other end is connected with the first connecting block 23; the notch is of a circular structure, one end of the shaft body 242 is inserted into the notch and rotationally connected with the sleeve body 241, and the other end is connected with the second camera 22; the side of the sleeve body 241 is provided with a threaded hole; the threaded hole is communicated with the notch; one end of the adjusting rod 243 is inserted into the threaded hole and threadedly connected with the threaded hole and in contact with the shaft body 242; when the second camera 22 needs to be fixed, the adjusting rod 243 is tightened, the end of the adjusting rod 243 inserted into the threaded hole is in contact with the side of the shaft body 242 and presses it tightly to prevent it from rotating; when the lens end of the second camera 22 needs to be adjusted in angle, the adjusting rod 243 is loosened, the end of the adjusting rod 243 inserted into the threaded hole is separated from the shaft body 242, at this time, the second camera 22 can be rotated to adjust the angle of the lens end of the second camera 22, the detection of the second camera 22 in different angles and different scenes is simulated, the overall structure is simple, and the flexibility is strong.

[0033] As shown in Figure 4 Preferably, the sleeve body 241 is of a cylindrical structure; the outer wall of the sleeve body 241 is provided with a scale along the circumferential direction of the axis, and the scale corresponds to the rotation angle of the shaft body 242, so as to facilitate the adjustment of the angle of the lens end of the second camera 242.

[0034] Embodiment three:

[0035] As shown in Figures 1 to 3As shown, compared with the second embodiment, the difference lies in that the support 1 further comprises a second connecting piece; the first connecting piece is connected with the support 1 through the second connecting piece; the second connecting piece comprises a sliding rod 11, a sliding block 12 and a fastening rod 13; the sliding rod 11 is vertically arranged on the top of the support 1; a first sliding groove is arranged on one side surface of the sliding rod 11, and a second sliding groove is arranged on the other side surface; the first sliding groove and the second sliding groove are consistent with the length direction of the sliding rod 11; one end of the sliding block 12 is connected with the first connecting piece away from the second camera 22, and the other end of the sliding block 12 extends into the first sliding groove and is slidingly connected with the sliding rod 11; the end of the sliding block 12 extending into the first sliding groove is provided with a fastening screw hole corresponding to the second sliding groove; one end of the fastening rod 13 extends into the second sliding groove and is threadedly connected with the fastening screw hole to stabilize the sliding block 12; the part of the fastening rod 13 not extending into the second sliding groove is larger in size than the width of the second sliding groove; when the sliding block 12 is stabilized, the fastening rod 13 is tightened, the part of the fastening rod 13 not extending into the second sliding groove is in contact with the outer wall of the sliding rod 11 and the sliding block 12 is combined to clamp the sliding rod 11, so that the fastening rod 13 and the sliding block 12 are stabilized on the sliding rod 11; when it is needed to adjust the position of the first camera 21 and the second camera 22 in height, the fastening rod 13 is loosened, the part of the fastening rod 13 not extending into the second sliding groove is separated from the outer wall of the sliding rod 11, at this time, the sliding block 12 can be slid, the sliding block 12 drives the first camera 21 and the second camera 22 to move along the first sliding groove, the height between the first camera 21 and the second camera 22 and the detected object can be adjusted, the overall structure is simple and flexible.

[0036] The above merely describes the preferred embodiments of the present application, but should not be used to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A visual inspection mechanism for teaching, characterized by, Comprise: A support (1); the support (1) is vertically arranged; A visual assembly (2) comprising a first camera (21), a second camera (22), a first connecting piece and a control system; the first camera (21) is arranged on the top of the support (1); one end of the first connecting piece is connected with the first camera (21), and the other end is connected with the second camera (22); the lens end of the first camera (21) and the second camera (22) is arranged downward; the first camera (21) and the second camera (22) are connected with the control system circuit.

2. The visual inspection mechanism for teaching purposes according to claim 1, characterized in that, The first camera (21) is a depth camera; the second camera (22) is a monocular camera.

3. The visual inspection mechanism for teaching purposes according to claim 1, wherein, The first connecting piece comprises a first connecting block (23); the first camera (21) is connected with the support (1) through the first connecting block (23); the plate surface of the first connecting block (23) is connected with the first camera (21), one end is connected with the second camera (22), and the other end is connected with the top of the support (1).

4. The visual inspection mechanism for teaching purposes according to claim 3, characterized in that, The first connecting piece further comprises a second connecting block (24); the second camera (22) is connected with the first connecting block (23) through the second connecting block (24); one end of the second connecting block (24) is connected with the side surface of the second camera (22), and the other end is connected with one end of the first connecting block (23) away from the support (1).

5. The visual inspection mechanism for teaching purposes according to claim 4, characterized in that, The second connecting block (24) comprises a sleeve body (241), a shaft body (242) and an adjusting rod (243); one end of the sleeve body (241) is provided with a notch corresponding to the shaft body (242), and the other end is connected with the first connecting block (23); one end of the shaft body (242) is inserted into the notch and is rotationally connected with the sleeve body (241), and the other end is connected with the second camera (22); a threaded hole is formed in the side surface of the sleeve body (241); the threaded hole is in communication with the notch; one end of the adjusting rod (243) is inserted into the threaded hole, is threadedly connected with the threaded hole, and is in contact with the shaft body (242).

6. The visual inspection mechanism for teaching purposes according to claim 5, characterized in that, The sleeve body (241) is a cylindrical structure; a scale line is arranged on the outer wall of the sleeve body (241) along the circumferential direction of the axis.

7. The visual inspection mechanism for teaching purposes according to claim 3, wherein, The support (1) further comprises a second connecting piece; the first connecting piece is connected with the support (1) through the second connecting piece; the second connecting piece comprises a sliding rod (11), a sliding block (12) and a fastening rod (13); the sliding rod (11) is vertically arranged on the top of the support (1); a first sliding groove is formed on one side of the sliding rod (11), and a second sliding groove is formed on the other side; the directions of the first sliding groove and the second sliding groove are consistent with the length direction of the sliding rod (11); one end of the sliding block (12) is connected with the first connecting piece away from the second camera (22), and the other end of the sliding block (12) extends into the first sliding groove and is slidingly connected with the sliding rod (11); a fastening screw hole is formed in the end of the sliding block (12) extending into the first sliding groove and corresponding to the second sliding groove; one end of the fastening rod (13) extends into the second sliding groove and is threadedly connected with the fastening screw hole, so that the sliding block (12) is stabilized.

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