Backlight source device and detection system

Abstract

The utility model embodiment discloses a backlight light source device and a detection system, which are used to solve the technical problem that the existing backlight light source device has poor waterproof performance and is easy to get into water and cause the light-emitting body to burn out. The utility model embodiment includes an outer shell, a light-emitting body and a diffuser plate; the first side of the outer shell is provided with a light exit window, the light-emitting body is arranged inside the outer shell and the irradiation direction of the light-emitting body is toward the light exit window, the first side of the outer shell is provided with a first sealing clamping part surrounding the light exit window, the surface of the diffuser plate facing the outer shell is provided with a second sealing clamping part matched with the first sealing clamping part, the first sealing clamping part is engaged with the second sealing clamping part to seal and fix the diffuser plate on the outer shell.

Description

Technical Field

[0001] The utility model relates to the technical field of light source design, in particular to a backlight light source device and a detection system. Background Art

[0002] In the existing industry, the appearance inspection of workpieces is generally completed through visual inspection systems. Taking glass products as an example, in order to detect whether there are scratches on the glass surface, a backlight light source device is generally used to provide lighting, and then the camera collects and analyzes the glass image. Generally speaking, the glass is rinsed with washing water before inspection, and there will be water droplets on the surface. During the glass inspection process, the water droplets will fall onto the backlight light source device. Since the backlight light source device has poor waterproof performance, after long-term use, the water droplets will enter the backlight light source device and damage the internal electronic components (such as the light source).

[0003] Therefore, finding a technical solution that can solve the above technical problems has become an important topic studied by technical personnel in this field. Summary of the invention

[0004] The utility model discloses a backlight source device and a detection system, which are used to solve the technical problem that the existing backlight source device has poor waterproof performance and is easy to be infiltrated with water, resulting in the burning of the light emitter.

[0005] The embodiment of the utility model provides a backlight source device, including an outer shell, a light emitting body and a diffusion plate;

[0006] A light exit window is provided on the first side of the outer shell, the light emitting body is arranged inside the outer shell and the irradiation direction of the light emitting body is toward the light exit window, a first sealing clamping portion surrounding the light exit window is provided on the first side of the outer shell, and a second sealing clamping portion matching with the first sealing clamping portion is provided on the surface of the diffuser plate facing the outer shell, and the first sealing clamping portion is engaged with the second sealing clamping portion to seal and fix the diffuser plate on the outer shell.

[0007] Optionally, the first sealing clamping portion is a protrusion that protrudes in a direction away from the first side surface of the outer shell, and the second sealing clamping portion is a groove that matches the protrusion.

[0008] Optionally, the first sealing clamping portion is a groove sunken into the interior of the first side surface of the outer shell, and the second sealing clamping portion is a protrusion matched with the groove.

[0009] Optionally, a sealing member is further included, and the sealing member is arranged between the diffusion plate and the first side surface of the outer shell.

[0010] Optionally, the sealing element is a waterproof sealing gasket.

[0011] Optionally, the sealing member is a waterproof adhesive layer formed by solidifying waterproof glue.

[0012] Optionally, the light-emitting body is a PCB light board.

[0013] Optionally, the light emitter is also connected to a control line;

[0014] The outer shell is provided with a wire outlet, a waterproof terminal is installed in the wire outlet, and the control wire passes through the waterproof terminal to exit the outer shell.

[0015] Optionally, a plurality of mounting holes are provided on the outer shell.

[0016] The embodiment of the utility model provides a detection system, including a detection camera, a lens connected to the detection camera, and the above-mentioned backlight source device.

[0017] It can be seen from the above technical solutions that the embodiments of the utility model have the following advantages:

[0018] In this embodiment, a first sealing clamping part surrounding the light exit window is arranged on the first side surface of the outer shell, and a second sealing clamping part cooperating with the first sealing clamping part is arranged on the surface of the diffuser plate facing the outer shell, and when the first sealing clamping part and the second sealing clamping part are engaged with each other, the diffuser plate is sealed and fixed on the outer shell. Through the above design, the first sealing clamping part and the second sealing clamping part cooperate with each other to prevent external water droplets from penetrating into the interior of the backlight light source device, effectively improving the waterproof performance of the backlight light source device, and ensuring that electronic components such as the light emitter can work normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a backlight source device provided in an embodiment of the utility model;

[0021] Figure 2 An exploded view of the structure of a backlight source device provided in an embodiment of the utility model;

[0022] Figure 3 It is a structural schematic diagram of a diffusion plate in a backlight light source device provided in an embodiment of the utility model;

[0023] Illustration: outer shell 1; diffuser 2; detection camera 3; lens 4; workpiece (glass) 5; waterproof terminal 6; control line 7; sealing member 8; light emitting body 9; light exit window 10; first sealing clamping part 11; second sealing clamping part 12. DETAILED DESCRIPTION

[0024] The utility model discloses a backlight source device and a detection system, which are used to solve the technical problem that the existing backlight source device has poor waterproof performance and is easy to be infiltrated with water, resulting in the burning of the light emitter.

[0025] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0026] See also Figures 1 to 3 , a backlight source device provided in an embodiment of the utility model comprises an outer shell 1, a light emitting body 9 and a diffusion plate 2;

[0027] A light exit window 10 is provided on the first side of the outer shell 1, the light emitting body 9 is arranged inside the outer shell 1 and the irradiation direction of the light emitting body 9 is toward the light exit window 10, and a first sealing clamping portion 11 surrounding the light exit window 10 is provided on the first side of the outer shell 1, and a second sealing clamping portion 12 matching with the first sealing clamping portion 11 is provided on the surface of the diffuser plate 2 facing the outer shell 1, and the first sealing clamping portion 11 is engaged with the second sealing clamping portion 12 to seal and fix the diffuser plate 2 on the outer shell 1.

[0028] It should be noted that the diffusion plate 2 can make the light emitted by the PCB light board uniform.

[0029] In this embodiment, a first sealing clamping portion 11 surrounding the light exit window 10 is provided on the first side surface of the outer shell 1, and a second sealing clamping portion 12 cooperating with the first sealing clamping portion is provided on the surface of the diffuser plate 2 facing the outer shell 1. When the first sealing clamping portion 11 and the second sealing clamping portion 12 are engaged with each other, the diffuser plate 2 is sealed and fixed on the outer shell 1. Through the above design, the first sealing clamping portion 11 and the second sealing clamping portion 12 cooperate with each other to prevent external water droplets from penetrating into the interior of the backlight light source device, effectively improving the waterproof performance of the backlight light source device, and ensuring that electronic components such as the light emitter 9 can work normally.

[0030] Furthermore, the first sealing clamping portion 11 and the second sealing clamping portion 12 in this embodiment have various structural forms, for example, in the first case:

[0031] The first sealing clamping portion 11 in this embodiment is a protrusion that protrudes in a direction away from the first side surface of the outer shell 1 . The second sealing clamping portion 12 in this embodiment is a groove that matches the protrusion.

[0032] For example, in the second case:

[0033] In this embodiment, the first sealing clamping portion 11 is a groove sunken into the first side surface of the outer shell 1, and the second sealing clamping portion 12 is a protrusion matched with the groove.

[0034] Both of the above situations can prevent external water droplets from penetrating into the interior of the backlight light source device, effectively improving the waterproof performance of the backlight light source device and ensuring that electronic components such as the light emitting body 9 can work normally.

[0035] Furthermore, the backlight source device in this embodiment further includes a sealing member 8 , and the sealing member 8 is disposed between the diffusion plate 2 and the first side surface of the outer shell 1 .

[0036] It should be noted that, through the above design, the sealing performance between the diffusion plate 2 and the outer shell 1 can be further improved, thereby effectively improving the waterproof performance of the entire backlight source device.

[0037] Specifically, the sealing member 8 in this embodiment may be a waterproof sealing gasket.

[0038] It should be noted that the waterproof sealing gasket has a certain elasticity and can well seal the gap remaining between the diffusion plate 2 and the outer shell 1, so that the sealing performance of the backlight source device is effectively improved.

[0039] Optionally, the sealing member 8 in this embodiment may also be a waterproof adhesive layer formed by solidifying waterproof glue.

[0040] It should be noted that the waterproof adhesive layer can well fill the gap remaining between the diffusion plate 2 and the outer shell 1 , so that the sealing performance of the backlight source device is effectively improved.

[0041] Furthermore, the light-emitting body 9 in this embodiment can be a PCB lamp board, a PCB lamp bead, etc., and this embodiment does not limit this.

[0042] Furthermore, the light emitter 9 in this embodiment is also connected to a control line 7;

[0043] The outer shell 1 is provided with a wire outlet, a waterproof terminal 6 is installed in the wire outlet, and the control wire 7 passes through the waterproof terminal 6 and out of the outer shell 1 .

[0044] It should be noted that, through the above design, it is possible to effectively prevent external water droplets from penetrating into the interior of the backlight light source device from the cable outlet, thereby further improving the waterproof performance of the backlight light source.

[0045] Furthermore, a plurality of mounting holes are provided on the outer shell 1 in this embodiment.

[0046] It should be noted that, through the above design, it is convenient for operators to fix the backlight source device on other equipment by means of matching screws with mounting holes.

[0047] See also Figures 1 to 3 A detection system provided in an embodiment of the utility model includes a detection camera 3, a lens 4 connected to the detection camera 3 and the above-mentioned backlight source device.

[0048] It should be noted that, taking the inspection of the workpiece 5 as glass as an example, the glass is located above the backlight source device, and the inspection camera 3 and the lens 4 are located above the glass.

[0049] The above is a detailed introduction to a backlight source device and a detection system provided by the present invention. For a person skilled in the art, according to the idea of ​​the embodiments of the present invention, there may be changes in the specific implementation method and the scope of application. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A backlight source device, characterized in that: It comprises an outer shell (1), a light-emitting body (9) and a diffusion plate (2); A light exit window (10) is provided on the first side surface of the outer shell (1); the light emitting body (9) is arranged inside the outer shell (1) and the irradiation direction of the light emitting body (9) is toward the light exit window (10); a first sealing clamping portion (11) surrounding the light exit window (10) is provided on the first side surface of the outer shell (1); a second sealing clamping portion (12) matching with the first sealing clamping portion (11) is provided on the surface of the diffusion plate (2) facing the outer shell (1); the first sealing clamping portion (11) and the second sealing clamping portion (12) are engaged with each other so that the diffusion plate (2) is sealed and fixed on the outer shell (1).

2. The backlight source device according to claim 1, characterized in that: The first sealing clamping portion (11) is a protrusion that protrudes in a direction away from the first side surface of the outer shell (1), and the second sealing clamping portion (12) is a groove that matches the protrusion.

3. The backlight source device according to claim 1, characterized in that: The first sealing clamping portion (11) is a groove recessed into the interior of the first side surface of the outer shell (1), and the second sealing clamping portion (12) is a protruding portion matching the groove.

4. The backlight source device according to claim 1, characterized in that: It also comprises a sealing member (8), wherein the sealing member (8) is arranged between the diffusion plate (2) and the first side surface of the outer shell (1).

5. The backlight source device according to claim 4, characterized in that: The sealing member (8) is a waterproof sealing gasket.

6. The backlight source device according to claim 4, characterized in that: The sealing member (8) is a waterproof adhesive layer formed by solidifying waterproof glue.

7. The backlight source device according to claim 1, characterized in that: The light emitting body (9) is a PCB light board.

8. The backlight source device according to claim 1, wherein: The light emitting body (9) is also connected to a control line (7); The outer shell (1) is provided with a wire outlet, a waterproof terminal (6) is installed in the wire outlet, and the control wire (7) passes through the waterproof terminal (6) and out of the outer shell (1).

9. The backlight source device according to claim 1, characterized in that: The outer shell (1) is provided with a plurality of mounting holes.

10. A detection system, characterized in that: It comprises a detection camera (3), a lens (4) connected to the detection camera (3), and a backlight source device according to any one of claims 1 to 9.

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