Visual inspection device

Abstract

The utility model discloses a visual inspection device which comprises a box body, a supporting plate is arranged on the box body, a movable first light source is arranged on the supporting plate, a visual sensor is arranged above the first light source, and the first light source is of an annular structure. The first light source is located in the center of the visual sensor so that the visual sensor can obtain an image below the first light source, and a color temperature sensor and an illumination sensor are arranged at the bottom of the box body and arranged on the two sides of the first light source respectively. A closed space is formed in the box body, the influence of an external light source on visual recognition can be prevented, meanwhile, the light source is arranged in the box body, the light environment in the box body is stable, the influence of light deviation on visual recognition imaging is reduced, and therefore the recognition reliability is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of visual detection, and more specifically, to a visual detection device. Background Art

[0002] At present, the evaluation of tea quality generally adopts the manual sensory evaluation method. Tea sensory evaluation refers to the comprehensive analysis and evaluation of the appearance, soup color, aroma, taste and leaf bottom of tea products by the reviewers using their normal vision, smell, taste and touch to distinguish factors. Since the evaluation is subjective, the different environment and equipment during the evaluation have a great impact on the evaluation results. Utility Model Content

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a visual inspection device that can ensure a consistent environment.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a visual detection device, comprising a box body, wherein the box body is provided with a supporting plate, the supporting plate is provided with a movable first light source, a visual sensor is provided above the first light source, the first light source is a ring structure, the first light source is located at the center position of the visual sensor so that the visual sensor can obtain an image below the first light source, and a color temperature sensor and an illuminance sensor are provided at the bottom of the box body, and the color temperature sensor and the illuminance sensor are respectively placed on both sides of the first light source.

[0006] Furthermore, the support plate is equipped with a driving component for driving the movement of the first light source, and the driving component includes a base plate placed on the support plate, the base plate is provided with a guide rail, the guide rail is provided with a sliding member, the first light source is installed on the sliding member, the sliding member passes through a lead screw and cooperates with the lead screw thread so that the rotation of the lead screw can drive the sliding member to move along the guide rail, and the base plate is provided with a motor for driving the lead screw to rotate.

[0007] Furthermore, the sliding member includes a first sliding block installed on a sliding rail and a second sliding block connected to the first sliding block, the second sliding block is connected to the first light source via a bracket, and the lead screw is threadedly matched with the second sliding block.

[0008] Furthermore, the bracket includes a first plate and a second plate, the first plate is connected to the second slider, the second plate is connected to the first light source, and the second plate is provided with a circular opening to match the annular structure of the first light source.

[0009] Furthermore, the base plate is provided with a dustproof plate covering the guide rail, the second sliding block is provided with a guide groove, the bracket covers the guide groove and forms a channel with the guide groove, and the dustproof plate passes through the channel.

[0010] Furthermore, the substrate is provided with a support rod located at one side of the first light source, the support rod is placed above the first light source, and the visual sensor is installed on the support rod so that the visual sensor is suspended above the first light source.

[0011] Furthermore, the box body includes a frame, and the frame is provided with a top plate, a bottom plate and two side plates so that the box body forms a through cylindrical structure, and rotatable door panels are provided at two ports of the box body.

[0012] Furthermore, the box body includes a partition that divides the space inside the box body into a first chamber and a second chamber, and the first light source, color temperature sensor, illumination sensor and visual sensor are all placed in the first chamber.

[0013] The beneficial effects of the utility model are:

[0014] 1. The interior of the box constitutes a closed space, which can prevent the influence of external light sources on visual recognition. At the same time, a light source is arranged inside the box to stabilize the light environment inside the box, thereby reducing the influence of light deviation on visual recognition imaging, thereby ensuring the reliability of recognition.

[0015] 2. A color temperature sensor and an illumination sensor are provided to detect the lighting environment in the first chamber, thereby ensuring the consistency of the internal lighting conditions when identifying different samples and ensuring the accuracy of identification. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the structure of the box in this embodiment;

[0017] Figure 2 This is a schematic diagram of the structure inside the box in this embodiment;

[0018] Figure 3 Schematic diagram of the structure of the lifting assembly in this embodiment;

[0019] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0020] Figure numerals: box body 100, first chamber 101, second chamber 102, frame 110, top plate 120, side plate 130, door panel 140, bottom plate 150, color temperature sensor 151, illumination sensor 152, support plate 160, partition 170, drive assembly 200, substrate 210, guide rail 211, first slider 220, second slider 230, guide groove 231, first plate body 240, second plate body 241, circular opening 242, first light source 243, dustproof plate 250, motor 260, screw rod 261, support rod 300, visual sensor 310. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 A visual inspection device includes a box 100, which includes a frame 110. A top plate 120, a bottom plate 150 and two side plates 130 are installed on the frame 110 to make the box 100 form a through cylindrical structure. Rotatable door panels 140 are provided at the two openings of the box 100. A partition 170 is provided inside the box 100 to separate the space inside the box 100 into a first chamber 101 and a second chamber 102. The two door panels 140 are used to open and close the first chamber 101 and the second chamber 102 respectively. The first chamber 101 is used to install components related to visual recognition, and the second chamber 102 is used to install an electric control system.

[0023] A support plate 160 is provided in the first chamber 101, and a movable first light source 243 is provided on the support plate 160, and the first light source 243 irradiates toward the bottom plate 150. A visual sensor 310 is provided above the first light source 243, and the first light source 243 is a ring structure, and the first light source 243 is located at the center of the visual sensor 310 so that the visual sensor 310 can obtain an image below the first light source 243. A color temperature sensor 151 and an illuminance sensor 152 are provided at the bottom of the first chamber 101, and the color temperature sensor 151 and the illuminance sensor 152 are respectively placed on both sides of the first light source 243. When detecting and identifying tea leaves, the tea leaves need to be placed in the first chamber 101, and then the door panel 140 of the first chamber 101 is closed to prevent the interior of the first chamber 101 from being disturbed by external light. Then the first light source 243 is moved, and the ambient light parameters in the first chamber are monitored by adjusting the color temperature sensor 151 and the illuminance sensor 152 to keep the lighting conditions in the first chamber 101 consistent. The visual sensor 310 is a camera, which is used to photograph the tea leaves, and then the image is recognized by an algorithm to determine the rating of the tea leaves. Compared with manual review, the impact on the environment is smaller and the evaluation criteria are consistent and objective.

[0024] The support plate 160 is installed with a driving assembly 200 for driving the movement of the first light source 243. The driving assembly 200 includes a base plate 210 installed on the support plate 160. Two guide rails 211 are installed on the base plate 210. Each guide rail 211 is installed with a first slider 220. The first slider 220 can move along the guide rail 211. The two first sliders 220 are connected to a second slider 230. The second slider 230 is connected to the first light source 243 through a bracket. At the same time, a motor 260 is installed on the support plate 160. The motor 260 is connected to a screw rod 261. The screw rod 261 is threadedly matched with the second slider 230, so that the motor 260 can drive the first light source 243 to rise and fall.

[0025] The bracket includes a first plate body 240 and a second plate body 241. The first plate body 240 is connected to the second slider 230, and the second plate body 241 is connected to the first light source 243. The second plate body 241 is provided with a circular opening 242 to match the annular structure of the first light source 243. At the same time, a support rod 300 is provided on the substrate 210 and is located on one side of the first light source 243. The visual sensor 310 is fixed on the support rod 300 so that the visual sensor 310 is suspended above the first light source 243.

[0026] The base plate 210 is connected with a dustproof plate 250, which covers the guide rail 211 to protect the guide rail 211. A guide groove 231 is provided on the second slider 230, and the first plate body 240 covers the guide groove 231 to form a channel, and the dustproof plate 250 passes through the channel. When the mobile light source moves, the bracket also moves along the dustproof plate 250.

[0027] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A visual inspection device, characterized in that: The invention comprises a box (100), wherein the box (100) is provided with a support plate (160), wherein the support plate (160) is provided with a movable first light source (243), wherein a visual sensor (310) is provided above the first light source (243), wherein the first light source (243) is an annular structure, wherein the first light source (243) is located at the center of the visual sensor (310) so that the visual sensor (310) can acquire an image below the first light source (243), and wherein a color temperature sensor (151) and an illuminance sensor (152) are provided at the bottom of the box (100).

2. A visual inspection device according to claim 1, characterized in that: The support plate (160) is installed with a driving component (200) for driving the movement of the first light source (243), and the driving component (200) includes a base plate (210) placed on the support plate (160), the base plate (210) is provided with a guide rail (211), the guide rail (211) is provided with a sliding member, the first light source (243) is installed on the sliding member, the sliding member passes through a screw rod (261) and is threadedly engaged with the screw rod (261) so that the rotation of the screw rod (261) can drive the sliding member to move along the guide rail (211), and the base plate (210) is provided with a motor (260) for driving the screw rod (261) to rotate.

3. A visual inspection device according to claim 2, characterized in that: The sliding member comprises a first sliding block (220) mounted on a sliding rail and a second sliding block (230) connected to the first sliding block (220); the second sliding block (230) is connected to the first light source (243) via a bracket; and the lead screw (261) is threadedly matched with the second sliding block (230).

4. A visual inspection device according to claim 3, characterized in that: The bracket comprises a first plate body (240) and a second plate body (241), the first plate body (240) is connected to the second slider (230), the second plate body (241) is connected to the first light source (243), and the second plate body (241) is provided with a circular opening (242) to match the annular structure of the first light source (243).

5. A visual inspection device according to claim 3, characterized in that: The base plate (210) is provided with a dustproof plate (250) covering the guide rail (211), the second slider (230) is provided with a guide groove (231), the bracket covers the guide groove (231) and forms a channel with the guide groove (231), and the dustproof plate (250) passes through the channel.

6. A visual inspection device according to claim 2, characterized in that: The substrate (210) is provided with a support rod (300) located on one side of the first light source (243), the support rod (300) is placed above the first light source (243), and the visual sensor (310) is installed on the support rod (300) so that the visual sensor (310) is suspended above the first light source (243).

7. A visual inspection device according to claim 1, characterized in that: The box body (100) comprises a frame (110), wherein the frame (110) is provided with a top plate (120), a bottom plate (150) and two side plates (130) so that the box body (100) forms a through cylindrical structure, and rotatable door panels (140) are provided at two ports of the box body (100).

8. A visual inspection device according to claim 1, characterized in that: The box (100) comprises a partition (170) which divides the interior of the box (100) into a first chamber (101) and a second chamber (102); the first light source (243), the color temperature sensor (151), the illuminance sensor (152) and the visual sensor (310) are all placed in the first chamber (101).

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