Sealed detection device

Abstract

The utility model relates to the technical field of visual inspection, and discloses a sealed detection device, which comprises a light guide cover body, a sealing cover plate, a detection camera and a lamp bead group, the light guide cover body and the sealing cover plate form a sealed mounting space, and the detection camera is mounted in the mounting space; the lamp bead set is installed in the installation space and emits light to the end of the light guide cover body, and the inner side circumferential wall and the outer side circumferential wall of the light guide cover body are both fully plated with total reflection films. The sealed detection device provided by the utility model can meet the requirements of workpiece detection in water or in a vacuum environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual inspection technical field especially relates to a sealed detection device. BACKGROUND

[0002] Visual inspection is to use machine to replace eyes to do measurement and judgment, thereby determining whether the workpiece surface exists defect.

[0003] The existing visual inspection is generally open structure, therefore cannot detect workpiece in water or vacuum environment, but part workpiece needs to produce in water or vacuum environment, therefore needs to design a detection device to detect the actual production condition of workpiece.

[0004] Therefore, a sealed detection device needs to be designed to meet the need of detecting workpiece in water or vacuum environment.

[0005] The above information is given as background information only to assist an understanding of the present disclosure and has not been determined or admitted as prior art against the present disclosure. SUMMARY

[0006] The utility model provides a sealed detection device to meet the need of detecting workpiece in water or vacuum environment.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A sealed detection device, comprising a light guide cover body, a sealing cover plate, a detection camera and a lamp bead group;

[0009] The light guide cover body and the sealing cover plate form a sealed mounting space, and the detection camera is installed in the mounting space;

[0010] The lamp bead group is installed in the mounting space and emits light to the end of the light guide cover body, and the inner side wall and the outer side wall of the light guide cover body are both fully coated with a total reflection film.

[0011] Optionally, the light guide cover body has a light transmission area opposite to the detection camera, and the detection lens of the detection camera is directly opposite to the light transmission area.

[0012] Optionally, the end of the light guide cover body close to the sealing cover plate is formed with an annular groove;

[0013] The lamp bead group is arranged in the annular groove and emits light between the inner side wall and the outer side wall.

[0014] Optionally, the top end of the light guide cover body is provided with an annular light guide surface, the annular light guide surface is arranged obliquely, and a total reflection film is coated on the annular light guide surface.

[0015] Optionally, the sealing cover plate is provided with a connecting hole through which the cable enters the mounting space.

[0016] The cable and the hole wall of the connecting hole are sealingly connected.

[0017] Optionally, the light guide cover body is integrally formed.

[0018] Optionally, the light guide cover body and the sealing cover plate are adhesively connected.

[0019] Optionally, the light transmission area is circular, and the center line of the light transmission area coincides with the center line of the detection camera.

[0020] Optionally, the top of the light guide cover body is printed with light guide dots.

[0021] Optionally, the light guide cover body is a glass cover body.

[0022] Optionally, the sealed detection device further comprises a circuit board, the circuit board is mounted on the sealing cover plate, and the detection camera and the lamp bead group are both mounted on the circuit board.

[0023] The circuit board is located in the mounting space.

[0024] Compared with the prior art, the sealed detection device has the following beneficial effects:

[0025] The sealed detection device provided by the utility model has a clever structure design, so that the light emitted by the lamp bead group can be emitted to the workpiece along the light guide cover body, and the detection camera can detect the workpiece in the sealed mounting space. The sealed detection device in the embodiment can be put into water or a vacuum environment to detect the workpiece.

[0026] The utility model has other characteristics and advantages, which will be obvious from the drawings and subsequent specific embodiments incorporated herein or will be described in detail in the drawings and subsequent specific embodiments incorporated herein, which are used together to explain the specific principles of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0028] Figure 1 is a front view schematic diagram of the sealing detection device provided by the embodiment of the present application;

[0029] Figure 2 is a A-A cross-sectional structure schematic diagram of the sealing detection device in the embodiment of the present application; Figure 1

[0030] Figure 3 is an isometric cross-sectional schematic diagram of the sealing detection device provided by the embodiment of the present application;

[0031] Figure 4 is a perspective schematic diagram of the sealing detection device provided by the embodiment of the present application.

[0032] The drawings are as follows: 1, light guide cover body; 101, light transmission area; 11, inner side peripheral wall; 12, outer side peripheral wall; 13, annular groove; 14, annular light guide surface; 2, sealing cover plate; 3, detection camera; 4, lamp bead group; 5, cable; 100, mounting space. DETAILED DESCRIPTION

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0034] In this paper, the term "embodiment" means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0035] Unless otherwise defined, the meaning of the technical terms used in this paper is the same as that generally understood by those skilled in the art to which the present application belongs; the use of related terms in this paper is only for the purpose of describing specific embodiments, and is not intended to limit the present application. ​

[0036] In the description of the present application, the phrase "and / or" is a description of a logical relationship between objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " herein generally represents that the associated objects before and after are an "or" logical relationship.

[0037] In the present application, phrases such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary and secondary, or order relationship between the entities or operations.

[0038] In the present application, without more limitation, the "includes", "contains", "has" or other similar expressions used in the sentence are intended to cover non-exclusive inclusion, and these expressions do not exclude the presence of other elements in the process, method or product including the described elements, so that the process, method or product including a series of elements can not only include those limited elements, but also include other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0039] As the same understanding as in the "Guidelines for Examination", in the present application, the expressions "greater than", "less than", "exceed" and the like are understood as not including the number; the expressions "above", "below", "within" and the like are understood as including the number. In addition, in the description of the embodiments of the present application, the meaning of "multiple" is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly limited.

[0040] In the description of the embodiments of the present application, the spatial-related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or the drawings, and are only for the convenience of describing the specific embodiments of the present application or for the reader to understand, and do not indicate or imply that the indicated device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0041] Unless otherwise defined, or limited by context, the terms used herein such as "mount", "connect", "connection", "fixed", "set", and the like, should be understood to be used in a broad sense. For example, "connection" can be fixed connection, or detachable connection, or integrated setting; it can be mechanical connection, or electrical connection, or communication connection; it can be direct connection, or indirect connection through intermediate medium; it can be internal communication of two elements, or interaction relationship between two elements. For those skilled in the art to which the present application belongs, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0042] In view of the defects of the existing detection device, the applicant, based on rich practical experience and professional knowledge in designing and manufacturing such products for many years, and combined with the use of theory, actively researches and innovates, in order to create a detection device that can solve the defects in the prior art, so that the sealed detection device is more practical. After continuous research, design, and repeated trial of samples and improvement, the present utility model is finally created.

[0043] Please refer to Figures 1 to 3 The utility model discloses a sealed detection device, including light guide cover body 1, sealing cover plate 2, detection camera 3 and lamp pearl group 4, light guide cover body 1 and sealing cover plate 2 form the sealed mounting space 100, and detection camera 3 is installed in mounting space 100, lamp pearl group 4 is installed in mounting space 100 and emits light to the end of light guide cover body 1, and the inner side circumferential wall 11 and the outer side circumferential wall 12 of light guide cover body 1 are all full of full reflection film.

[0044] In the embodiment, the sealed mounting space 100 is formed by the light guide cover body 1 and the sealing cover plate 2, and the lamp pearl group 4 and the detection camera 3 are installed in the mounting space 100, which can well guarantee the normal working environment of the lamp pearl group 4 and the detection camera 3, so that the light emitted by the lamp pearl group 4 can be emitted to the workpiece between the side circumferential wall 11 and the outer side circumferential wall 12, and the detection camera 3 can normally detect the workpiece. It should be noted that the end of the light guide cover body 1 away from the sealing cover plate 2 is normally transparent.

[0045] Optionally, the light guide cover body 1 has a light transmission area 101 opposite the detection camera 3, and the detection lens of the detection camera 3 faces the light transmission area 101. The detection camera 3 detects the workpiece by the light transmission area 101.

[0046] Optionally, an annular groove 13 is formed at the end of the light guide cover 1 near the sealing cover 2; the LED assembly 4 is disposed in the annular groove 13 and emits light between the inner peripheral wall 11 and the outer peripheral wall 12. The annular groove 13 allows the LED assembly 4 to be located on the bottom side of the light guide cover 1, and then the LED assembly 4 emits light to the bottom of the light guide cover 1. The light enters the light guide cover 1 and... Figure 2 The light refracts upwards until it exits from the light-transmitting area 101 and strikes the surface of the workpiece.

[0047] Optionally, the top of the light guide cover 1 is provided with an annular light guide surface 14, which is inclined and coated with a total reflection film. The annular light guide surface 14 causes the light to be reflected and directed at the workpiece at an angle, thereby making the defects on the workpiece more obvious.

[0048] Optionally, the sealing cover 2 is provided with a connection hole, through which the cable 5 enters the installation space 100; the cable 5 and the hole wall of the connection hole are sealed together. Specifically, the cable 5 is used to supply power to the detection camera 3 and the LED bead group 4 so that the detection camera 3 and the LED bead group 4 can work normally.

[0049] Optionally, the light guide cover 1 is integrally molded, making the sealed detection device easier to assemble and stronger.

[0050] Optionally, the light guide cover 1 and the sealing cover 2 are glued together.

[0051] Optionally, the light-transmitting area 101 is circular, and the center line of the light-transmitting area 101 coincides with the center line of the inspection camera 3, thereby making it easier for the inspection camera 3 to take pictures of the workpiece. Preferably, the light guide cover 1 has a circular barrel structure.

[0052] Optionally, the top of the light guide cover 1 is printed with light-guiding dots. The light-guiding dots are used to receive the light emitted from the LED bead assembly 4 and to ensure that the light is evenly and at a high angle directed onto the workpiece surface, thereby improving the lighting effect.

[0053] Optionally, the light guide cover 1 is a glass cover.

[0054] Optionally, the sealed detection device also includes a circuit board, which is mounted on the sealing cover 2, and the detection camera 3 and the LED bead group 4 are both mounted on the circuit board; the circuit board is located in the installation space 100. The circuit board is used to control the detection camera 3 and the LED bead group 4, enabling the detection camera 3 and the LED bead group 4 to operate normally.

[0055] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. A sealed detection device, characterized in that, It includes a light guide cover (1), a sealing cover (2), a detection camera (3), and an LED bead assembly (4); The light guide cover (1) and the sealing cover (2) form a sealed installation space (100), and the detection camera (3) is installed in the installation space (100); The lamp bead group (4) is installed in the installation space (100) and emits light to the end of the light guide cover (1). The inner peripheral wall (11) and the outer peripheral wall (12) of the light guide cover (1) are fully coated with a total reflection film.

2. The sealed detection device according to claim 1, characterized in that, The light guide cover (1) has a light-transmitting area (101) opposite to the detection camera (3), and the detection lens of the detection camera (3) is facing the light-transmitting area (101).

3. The sealed detection device according to claim 1, characterized in that, The light guide cover (1) has an annular groove (13) formed at the end near the sealing cover plate (2); The lamp bead group (4) is disposed in the annular groove (13) and emits light between the inner peripheral wall (11) and the outer peripheral wall (12).

4. The sealed detection device according to claim 1, characterized in that, The top of the light guide cover (1) is provided with an annular light guide surface (14), which is inclined and coated with a total reflection film.

5. The sealed detection device according to claim 1, characterized in that, The sealing cover plate (2) is provided with a connection hole, and the cable (5) enters the installation space (100) through the connection hole; The cable (5) and the hole wall of the connecting hole are sealed together.

6. The sealed detection device according to claim 1, characterized in that, The light guide cover (1) is integrally formed.

7. The sealed detection device according to claim 1, characterized in that, The light guide cover (1) and the sealing cover (2) are glued together.

8. The sealed detection device according to claim 2, characterized in that, The light-transmitting area (101) is circular, and the center line of the light-transmitting area (101) coincides with the center line of the detection camera (3).

9. The sealed detection device according to claim 1, characterized in that, The top of the light guide cover (1) is printed with dotted lines for guiding light.

10. The sealed detection device according to claim 1, characterized in that, It also includes a circuit board, which is mounted on the sealing cover (2), and the detection camera (3) and the LED bead group (4) are both mounted on the circuit board; The circuit board is located in the mounting space (100).

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