Device for detecting light transmission intensity of liquid thin layer

Abstract

The utility model discloses a device for detecting the light transmission intensity of a liquid thin layer, which relates to the technical field of light detection of the liquid thin layer, and comprises a light shield and a cover cap, the light shield and the cover cap are connected together, a color sensor plate is arranged in the light shield, and the bottom of the light shield is provided with a light transmission hole. According to the device, incident light penetrating through the liquid slide enters the light shield through the light hole, only small-range external light reaches the photosensitive chip through the light hole, other external stray light is effectively prevented from entering the light shield, and the liquid detection result is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid thin layer light detection technical field especially relates to a device for detecting liquid thin layer light transmission intensity. BACKGROUND

[0002] At present, the detection of liquid thin layer light transmission intensity usually adopts optical sensor, and the optical sensor adopts white light or red, green and blue three-color light source to detect the characteristics of the liquid by detecting the color and intensity of reflected light. The existing liquid light detection device has poor light shielding performance, and the liquid to be detected is clamped between two layers of transparent glass slides, the surface of the glass slide will reflect a large amount of stray light, so that the receiving sensor cannot accurately determine the color of the liquid sample, and the deviation of the liquid detection result is increased.

[0003] Therefore, the technical personnel in the art need to solve the technical problem of the liquid glass slide reflecting a large amount of stray light in the liquid thin layer detection device in the prior art, and the low accuracy of the detection result. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a device for detecting liquid thin layer light transmission intensity, and solves the technical problem of the liquid glass slide reflecting a large amount of stray light in the liquid thin layer light transmission intensity detection device, and the low accuracy of the detection result.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] The utility model discloses a device for detecting liquid thin layer light transmission intensity, which comprises a light shield cover and a cap, the light shield cover and the cap are connected together, a color sensor board is installed in the inside of the light shield cover, and a light transmission hole is arranged at the bottom of the light shield cover.

[0007] A light source is arranged below the light shield cover, a liquid glass slide is arranged between the light source and the light shield cover, and the light source and the liquid glass slide are opposite to the light transmission hole.

[0008] The sidewall of the cap is arranged in a stepped mode and comprises a small-diameter end and a large-diameter end, the small-diameter end is arranged at the bottom of the large-diameter end, and the small-diameter end is embedded in the inside of the light shield cover.

[0009] Matching threads are arranged on the outer wall of the small-diameter end of the cap and the inner wall of the light shield cover.

[0010] The cap and the light shield cover are matched in shape and size, the outer wall of the light shield cover is arranged in a cylindrical shape or a conical shape, or the light shield cover and the cap are arranged in a square shape.

[0011] A step is arranged on the inner wall of the light shield cover, the color sensor board is installed on the step, the front surface of the color sensor board faces the light transmission hole, and the photosensitive chip on the color sensor board faces the light transmission hole.

[0012] The top end of the cap is provided with a wire outlet hole, and the periphery of the wire outlet hole is provided with a threaded hole.

[0013] Compared with the prior art, the device has the beneficial technical effects that:

[0014] The device can be fixed in a small area to quickly detect the color of the light-transmitting liquid, the light source of the device enters the light shield cover through the light transmission hole, only a small range of external light passes through the light transmission hole to reach the photosensitive chip, other stray light from the outside is effectively excluded from the inside of the light shield cover, and the detection result of the liquid slide is avoided from being affected, and the device has the advantages of simple operation, convenient installation and disassembly, and accurate liquid detection result. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 It is a schematic view of the device for detecting the light transmission intensity of a liquid thin layer.

[0017] Figure 2 It is a light ray perspective view of the device for detecting the light transmission intensity of a liquid thin layer.

[0018] Reference signs: 1, light shield cover; 2, cap; 3, color sensor board; 4, liquid slide; 5, light source; 6, light transmission hole; 7, wire outlet hole; 8, threaded hole. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail in connection with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0020] As shown in Figures 1-2 A device for detecting the light transmission intensity of a liquid thin layer, comprising a light shield cover 1 and a cap 2, the light shield cover 1 and the cap 2 are connected together, the inside of the light shield cover 1 is provided with a color sensor board 3, and the bottom of the light shield cover 1 is provided with a light transmission hole 6.

[0021] The light source 5 is arranged below the light shield cover 1, the liquid slide 4 is arranged between the light source 5 and the light shield cover 1, and the light source 5 and the liquid slide 4 are opposite to the light transmission hole 6. Specifically, the light source 5, the liquid slide 4 and the light shield cover 1 can be located on the same vertical straight line or the same horizontal straight line, and the arrangement mode is various, which is suitable for various operating environments.

[0022] Specifically, the liquid glass 4 can be fixed or rotatingly arranged between the light source 5 and the light shield 1.

[0023] Specifically, the light emitted by the light source 5 passes through the liquid glass 4 and then the light transmission hole 6 to reach the color sensor plate 3, the color sensor plate 3 receives and analyzes the intensity and color of the incident light, which can effectively determine the color of the opaque glass sheet, and only a small range of external light can pass through the light transmission hole 6 to reach the color sensor plate 3, which can exclude other stray light.

[0024] The sidewall of the cap 2 is arranged in a stepped manner, including a small-diameter end and a large-diameter end, the small-diameter end is arranged at the bottom of the large-diameter end, and the small-diameter end is embedded in the inside of the light shield 1.

[0025] The outer wall of the small-diameter end of the cap 2 and the inner wall of the light shield 1 are provided with matching threads, the cap 2 is fixed to the inside of the light shield 1 by rotating with the threads, and the fixing of the cap 2 and the light shield 1 is completed.

[0026] The cap 2 and the light shield 1 are matched in shape and size, the outer wall of the light shield 1 is arranged in a cylindrical shape or a conical shape, or the light shield 1 and the cap 2 are arranged in a square shape, and the square light shield and the cap can be connected together by buckling.

[0027] As shown in Figure 2 The inner wall of the light shield 1 is provided with a step, the color sensor plate 3 is installed on the step, the front surface of the color sensor plate 3 faces the light transmission hole 6, and the photosensitive chip on the color sensor plate 3 directly faces the light transmission hole 6.

[0028] The top end of the cap 2 is provided with a wire outlet hole 7, the periphery of the wire outlet hole 7 is provided with a screw hole, and the cap 2 is fixed by screwing through the screw hole.

[0029] In one embodiment, the outer wall of the light shield 1 is arranged in a conical shape, the bottom end of the light shield 1 is provided with a circular light transmission hole, the cap 2 and the light shield 1 are matched in shape, the cap 2 is fixed by screwing through the circular hole, the cap 2 is fixed to the inside of the light shield 1 by rotating with the threads, the fixing of the cap 2 and the light shield 1 is completed, the liquid glass 4 is arranged between the light source 5 and the light shield 1, the light source 5 and the liquid glass 4 directly face the light transmission hole 6, and the liquid glass 4, the light source 5 and the light shield 1 are arranged on the same straight line.

[0030] Another embodiment is that the outer wall of the light shield 1 is provided in a cylindrical shape, the bottom end of the light shield 1 is provided with a circular light transmission hole, the cap 2 and the light shield 1 are matched in shape, the cap 2 is fixed by screwing through the circular hole, the cap 2 is fixed to the inside of the light shield 1 by screwing, the fixing of the cap 2 and the light shield 1 is completed, the liquid glass 4 is arranged between the light source 5 and the light shield 1, the RGB sensor receives and analyzes the intensity and color of the incident light transmitted through the liquid glass 4, and the color condition of the opaque glass sheet can be effectively judged.

[0031] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] The above embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application. Any modification and improvement of the technical scheme of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. An apparatus for detecting the light transmission intensity of a thin layer of liquid, characterized by: The application relates to a color sensor cover, which comprises a cover (1) and a cap (2), the cover (1) and the cap (2) are connected together, a color sensor board (3) is arranged in the cover (1), and a light transmission hole (6) is arranged at the bottom of the cover (1).

2. The device for detecting the light transmission intensity of a liquid thin layer according to claim 1, characterized in that: A light source (5) is arranged below the cover (1), a liquid slide (4) is arranged between the light source (5) and the cover (1), and the light source (5) and the liquid slide (4) are opposite to the light transmission hole (6).

3. The device for detecting the light transmission intensity of a liquid thin layer according to claim 1, characterized in that: The sidewall of the cap (2) is arranged in a stepped mode and comprises a small-diameter end and a large-diameter end, the small-diameter end is arranged at the bottom of the large-diameter end, and the small-diameter end is embedded into the cover (1).

4. The apparatus of claim 3, wherein: Matching threads are arranged on the outer wall of the small-diameter end of the cap (2) and the inner wall of the cover (1).

5. The apparatus of claim 1, wherein: The cap (2) and the cover (1) are matched in shape and size, the outer wall of the cover (1) is arranged in a cylindrical or conical shape, or the cover (1) and the cap (2) are arranged in a square shape.

6. The device for detecting the light transmission intensity of a liquid thin layer according to claim 1, characterized in that: A step is arranged on the inner wall of the cover (1), the color sensor board (3) is arranged on the step, the front surface of the color sensor board (3) faces the light transmission hole (6), and a photosensitive chip on the color sensor board (3) is opposite to the light transmission hole (6).

7. The device for detecting the light transmission intensity of a liquid thin layer according to claim 1, characterized in that: A wire outlet hole (7) is arranged at the top end of the cap (2), and screw holes are arranged around the wire outlet hole (7).

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