Diffusion plate inspection device capable of adjusting brightness

Abstract

The utility model discloses a diffusion plate inspection device with adjustable brightness, which comprises a concave support, a rear frame, a light-emitting component, a first lamp tube, a second lamp tube, a third lamp tube, a front frame, a clamping component and a control button, the rear frame is arranged on the rear side above the concave support, the light-emitting component is arranged in the rear frame, and the first lamp tube, the second lamp tube, the third lamp tube, the front frame and the clamping component are arranged in the front frame. The light-emitting assembly comprises a first lamp tube, second lamp tubes and third lamp tubes, the first lamp tube is installed in the center of the interior of the rear frame in an embedded mode, the second lamp tubes are installed on the two sides of the first lamp tube in an embedded mode, the third lamp tubes are installed on the two sides of the second lamp tubes in an embedded mode, and the first lamp tube, the second lamp tubes and the third lamp tubes are all LED lamp tubes. According to the utility model, the brightness of the light-emitting assembly can be adjusted, so that diffusion plates with different color differences can be detected, and the device has the characteristics of higher practicability and higher processing efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diffusion plate production, in particular to the technical field of diffusion plate inspection device of adjustable brightness. BACKGROUND

[0002] The biggest feature of the diffusion plate is that it causes great interference to light, no matter how many degrees the original design of the light distribution curve is, as long as the light passes through the diffusion plate, it will make the beam angle become 160 176 degrees, so from the side, the plate surface of the lamp has a layer of misty feeling.

[0003] At present, the diffusion plate needs to be detected after production is completed, thereby ensuring production quality, but at present, when the diffusion plate is detected in production, due to the large workload, many diffusion plates cannot be fully detected, which affects the quality, and most of the diffusion plates are checked from multiple surfaces, and from a single surface, which leads to the fact that the diffusion plate cannot be thoroughly checked, affecting the quality of the later cost.

[0004] To solve the problems in the background art, for example, application No. CN202020732118.4 discloses a kind of detection device of diffusion plate, including detection device body, the top of the detection device body is fixedly connected with lifting device, the left side inner wall of the detection device body is fixedly connected with motor, the top of the motor is fixedly connected with fixed rod, the top of the fixed rod is fixedly connected with rotating rod, through the cooperation of lighting device and upper placing frame, it is achieved that lighting device is fixedly connected in the bottom of support block, and upper placing plate is arranged in the bottom of lighting device, motor is arranged in the left and right sides of lighting device, and the top of motor is fixedly connected with rotating rod, upper placing frame is driven by rotating rod, so that upper placing plate can be rotated, so that upper placing frame can be rotated, so that diffusion plate is detected at appropriate angle, so that diffusion plate can be observed at any angle during detection, but the device still has the following defects:

[0005] Although the device can rotate the diffusion plate to detect the diffusion plate at an appropriate angle, it cannot adjust the brightness, which leads to the problem that the diffusion plate with dark color difference cannot be detected, thereby reducing the processing quality. SUMMARY

[0006] The utility model discloses the purpose of solving the problems in the prior art, proposes a kind of diffusion plate inspection device of adjustable brightness, can adjust the brightness of light-emitting component, and then the diffusion plate of different color difference is detected, and it is more practical, and the characteristics of higher processing efficiency.

[0007] To achieve the above-mentioned purpose, the utility model proposes a diffusion plate inspection device with adjustable brightness, including a concave support, a rear frame, a light-emitting component, a first lamp tube, a second lamp tube, a third lamp tube, a front frame, a clamping component, and a control button. The rear frame is provided on the upper rear side of the concave support, and the light-emitting component is provided inside the rear frame. The light-emitting component includes a first lamp tube, a second lamp tube and a third lamp tube. The first lamp tube is embedded in the inner center position of the rear frame, the second lamp tube is embedded on both sides of the first lamp tube, and the third lamp tube is embedded on both sides of the second lamp tube. The first lamp tube, the second lamp tube and the third lamp tube are all LED lamp tubes. The front frame is provided on the upper front side of the concave support, and the inner top wall and the right side wall of the front frame are both provided with a clamping component for clamping the diffusion plate. The control button is installed on the upper rear frame by bolts, and the control button is electrically connected to the first lamp tube, the second lamp tube and the third lamp tube respectively through wires.

[0008] Preferably, a protective lampshade is mounted on the front surface and the rear surface of the rear frame by means of bolts, and the protective lampshade is a PC transparent plastic protective cover.

[0009] Preferably, the power of the first lamp tube, the second lamp tube and the third lamp tube are set to a luminous flux of 100-300 lumens, a luminous flux of 300-600 lumens and a luminous flux of 600-900 lumens respectively.

[0010] Preferably, the clamping assembly includes a rotating rod, a concave clamping plate and a rotating head, one end of the rotating rod passes through the inner wall of the front frame and is connected to a concave clamping plate that matches the size of the diffuser plate, and the other end of the rotating rod is connected to the rotating head.

[0011] Preferably, an insertion slot is provided on the side wall of the front frame, and the size of the insertion slot is adapted to the size of the diffusion plate.

[0012] Preferably, a fixing groove is formed on the inner bottom wall of the front frame, the size of the fixing groove matches the size of the diffuser plate, and the fixing groove communicates with the insertion groove.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model discloses a light emitting assembly and control button's cooperation uses down, can detect the diffusion plate of different chromatic aberration, when the diffusion plate of normal color needs to be detected, starts the first lamp tube through the control button, and the first lamp tube irradiates normal light, makes the staff observe and test whether the diffusion plate has the flaw, when the diffusion plate of dark color needs to be detected, starts the second lamp tube through the control button, because the power of second lamp tube is 300-600 lumen luminous flux, therefore can irradiate brighter light, and then facilitate the staff to test, when the diffusion plate of dark color needs to be detected, starts the third lamp tube through the control button, because the power of third lamp tube is 600-900 lumen luminous flux, therefore can irradiate very strong light, and then can light up the whole diffusion plate, thereby facilitating the staff to test, realize the brightness adjustment of light emitting assembly, and then facilitate the test of the diffusion plate of different chromatic aberration, and the practicality is stronger, and the working efficiency is higher, solves the problem that the brightness cannot be adjusted, and then leads to the diffusion plate of dark color cannot be detected, and then causes the processing quality to reduce.

[0015] 2. The utility model discloses a clamping assembly is set up, and then the diffusion plate is clamped and fixed, need not staff to hold the diffusion plate and observe, the diffusion plate of being tested is inserted from the insertion slot of front frame side wall, and the diffusion plate is pushed inwards, makes the diffusion plate slip along the fixed groove, until the diffusion plate is pushed into the front frame, subsequently rotates the rotating head, and the rotating head drives the rotation of rotating rod, and then drives the concave clamping plate to the periphery of diffusion plate and draw together, until the concave clamping plate and diffusion plate are mutually clamped, realize the fixed effect, because the inner top wall and right side wall of front frame are all provided with clamping assembly, can hold the diffusion plate more stably, thereby facilitating the staff to observe and test carefully, and then guarantee the production quality. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the front view of the utility model discloses a adjustable brightness's diffusion plate testing device,

[0017] Figure 2 It is the rear frame schematic diagram of the utility model discloses a adjustable brightness's diffusion plate testing device,

[0018] Figure 3 It is the front frame schematic diagram of the utility model discloses a adjustable brightness's diffusion plate testing device,

[0019] In the drawing: 1 - concave support, 2 - rear frame, 3 - light emitting assembly, 31 - first lamp tube, 32 - second lamp tube, 33 - third lamp tube, 4 - front frame, 5 - clamping assembly, 51 - rotating rod, 52 - concave clamping plate, 53 - rotating head, 6 - control button, 7 - protective lamp shade, 8 - insertion slot, 9 - fixed groove. DETAILED DESCRIPTION

[0020] See Figures 1 to 3 The utility model provides a diffusion plate inspection device with adjustable brightness, comprising a concave support 1, a rear frame 2, a light-emitting assembly 3, a first lamp 31, a second lamp 32, a third lamp 33, a front frame 4, a clamping assembly 5, and a control button 6. The rear frame 2 is provided on the upper rear side of the concave support 1, and the light-emitting assembly 3 is provided inside the rear frame 2. The light-emitting assembly 3 includes a first lamp 31, a second lamp 32, and a third lamp 33. The first lamp 31 is embedded in the center position of the rear frame 2, and the second lamp 32 is embedded in the center position of the rear frame 2. The third lamp tube 33 is installed on both sides of the first lamp tube 31, and the first lamp tube 31, the second lamp tube 32 and the third lamp tube 33 are all LED lamp tubes. A front frame 4 is provided on the upper front side of the concave support 1, and the inner top wall and the right side wall of the front frame 4 are provided with a clamping assembly 5 for clamping a diffusion plate. The control button 6 is installed on the upper part of the rear frame 2 by bolts, and the control button 6 is electrically connected to the first lamp tube 31, the second lamp tube 32 and the third lamp tube 33 through wires.

[0021] See Figure 2 The utility model provides a diffusion plate inspection device with adjustable brightness. The front and rear surfaces of the rear frame 2 are both equipped with a protective lampshade 7 by bolts. The protective lampshade 7 is a PC transparent plastic protective cover. By setting the protective lampshade 7, the light-emitting component 3 can be protected, thereby avoiding damage and extending the life of the entire structure.

[0022] See Figure 2 The present invention provides a diffusion plate inspection device with adjustable brightness. The power of the first lamp tube 31, the second lamp tube 32 and the third lamp tube 33 are set to a luminous flux of 100-300 lumens, a luminous flux of 300-600 lumens and a luminous flux of 600-900 lumens, respectively. By setting the power of the first lamp tube 31, the second lamp tube 32 and the third lamp tube 33 to different values, it is convenient to inspect diffusion plates with different color differences, thereby improving the practicality of the device.

[0023] See Figure 3 The present invention provides a diffusion plate inspection device with adjustable brightness. The clamping assembly 5 includes a rotating rod 51, a concave clamping plate 52 and a rotating head 53. One end of the rotating rod 51 passes through the inner wall of the front frame 4 and is connected to the concave clamping plate 52 that is adapted to the size of the diffusion plate. The other end of the rotating rod 51 is connected to the rotating head 53. By setting the clamping assembly 5, the diffusion plate can be fixed during inspection, and there is no need for staff to hold the diffusion plate for observation, which is convenient for staff to carefully observe and inspect, thereby ensuring production quality.

[0024] See Figure 3 The present invention provides a diffusion plate inspection device with adjustable brightness. The side wall of the front frame 4 is provided with an insertion slot 8, the size of the insertion slot 8 is adapted to the size of the diffusion plate, and the inner bottom wall of the front frame 4 is provided with a fixing slot 9, the size of the fixing slot 9 is adapted to the size of the diffusion plate, and the fixing slot 9 is communicated with the insertion slot 8. When the diffusion plate is inserted from the insertion slot 8 of the side wall of the front frame 4, the diffusion plate is pushed inward so that the diffusion plate slides along the fixing slot 9 until the diffusion plate is pushed into the front frame 4, thereby facilitating the clamping assembly 5 to be fixed.

[0025] Working process of this utility model:

[0026] The utility model is a device for inspecting a diffusion plate with adjustable brightness. During operation, the diffusion plate to be inspected is first inserted into the insertion slot 8 of the side wall of the front frame 4, and the diffusion plate is pushed inward so that the diffusion plate slides along the fixing slot 9 until the diffusion plate is pushed into the front frame 4. Then, the rotating head 53 is rotated, and the rotating head 53 drives the rotating rod 51 to rotate, thereby driving the concave clamping plate 52 to move closer to the periphery of the diffusion plate until the concave clamping plate 52 and the diffusion plate are engaged with each other. Then, the light-emitting component 3 is started according to the color difference of the diffusion plate. When the diffusion plate of normal color needs to be inspected, the first lamp 31 is started by the control button 6. The first lamp 31 irradiates normal light, allowing the staff to observe and inspect. Check whether there are any defects on the diffusion plate. When a diffusion plate with a darker color needs to be inspected, the second lamp tube 32 is started by the control button 6. Since the power of the second lamp tube 32 is a luminous flux of 300-600 lumens, it can emit brighter light, which is convenient for the staff to inspect. When a diffusion plate with a darker color needs to be inspected, the third lamp tube 33 is started by the control button 6. Since the power of the third lamp tube 33 is a luminous flux of 600-900 lumens, it can emit extremely strong light, which can illuminate the entire diffusion plate, making it convenient for the staff to inspect. The brightness adjustment of the light-emitting component is realized, which makes it convenient to inspect diffusion plates with different color differences. It is more practical and has higher work efficiency.

[0027] The control method of the present invention is to manually start and stop the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field. Moreover, the present invention is mainly used to protect mechanical devices. Therefore, the control method and wiring arrangement are not explained in detail in the present invention.

[0028] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the scope of protection of the present invention.

Claims

1. A diffusion plate inspection device with adjustable brightness, characterized by: The invention comprises a concave support (1), a rear frame (2), a light-emitting assembly (3), a first light tube (31), a second light tube (32), a third light tube (33), a front frame (4), a clamping assembly (5), and a control button (6). The rear frame (2) is provided on the upper rear side of the concave support (1). The light-emitting assembly (3) is provided inside the rear frame (2). The light-emitting assembly (3) comprises a first light tube (31), a second light tube (32), and a third light tube (33). The first light tube (31) is embedded in the center of the rear frame (2). The second light tube (32) is embedded in the first light tube (31). The concave support (1) is provided with a front frame (4) on the upper front side of the concave support (1), and a clamping assembly (5) for clamping a diffusion plate is provided on the inner top wall and the right side wall of the front frame (4). The control button (6) is installed on the upper side of the rear frame (2) by bolts, and the control button (6) is electrically connected to the first lamp tube (31), the second lamp tube (32) and the third lamp tube (33) respectively through wires.

2. The device for inspecting a diffusion plate with adjustable brightness according to claim 1, wherein: A protective lampshade (7) is mounted on both the front and rear surfaces of the rear frame (2) via bolts, and the protective lampshade (7) is a PC transparent plastic protective cover.

3. The device for inspecting a diffusion plate with adjustable brightness according to claim 1, wherein: The power of the first lamp tube (31), the second lamp tube (32), and the third lamp tube (33) are respectively set to a luminous flux of 100-300 lumens, a luminous flux of 300-600 lumens, and a luminous flux of 600-900 lumens.

4. The device for inspecting a diffusion plate with adjustable brightness according to claim 1, wherein: The clamping assembly (5) comprises a rotating rod (51), a concave clamping plate (52) and a rotating head (53); one end of the rotating rod (51) passes through the inner side wall of the front frame (4) and is connected to the concave clamping plate (52) that matches the size of the diffuser plate; the other end of the rotating rod (51) is connected to the rotating head (53).

5. The device for inspecting a diffusion plate with adjustable brightness according to claim 1, wherein: An insertion slot (8) is provided on the side wall of the front frame (4), and the size of the insertion slot (8) is adapted to the size of the diffusion plate.

6. The device for inspecting a diffusion plate with adjustable brightness according to claim 5, wherein: A fixing groove (9) is provided on the inner bottom wall of the front frame (4), the size of the fixing groove (9) is adapted to the size of the diffusion plate, and the fixing groove (9) is communicated with the insertion groove (8).

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