Shadow eliminating device

Abstract

The utility model provides a shadow eliminating device which comprises a base, a camera, a scattering piece and a placing structure, a vertical rod is arranged at the top of the base, a suspension beam close to the top is arranged on one side of the vertical rod, a telescopic rod is arranged at the bottom of the suspension beam, the camera is arranged at the bottom of the telescopic rod, and the scattering piece is arranged on the camera. One side of the vertical rod is fixedly connected with an annular supporting plate located below the suspension beam, the upper end face of the annular supporting plate is provided with a coaxial LED annular lamp panel, the upper end face of the annular supporting plate is provided with an annular containing groove close to the outer edge, and the scattering piece is of a conical sleeve structure. The large end of the scattering piece is connected with the annular placing groove in an inserted mode, and the small end of the scattering piece is opposite to the camera. According to the utility model, the annular supporting plate is arranged above the placing structure, and then the annular placing groove which is connected with the heat dissipation piece of the conical sleeve structure in the inserting manner is formed in the annular supporting plate, so that the scattering piece has the advantage of being more convenient to mount and dismount, and the scattering piece is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of biological medicine technology, specifically for a shadow elimination device. BACKGROUND

[0002] Immune-chromatography is a rapid diagnostic technique, and its principle is that specific antibodies are first fixed in a certain zone of a solid support. Liquid can produce capillary phenomenon on the solid support. When one end of the dry solid support is immersed in the sample, the sample will move forward along the film due to capillary action. When the sample moves to the region where the antibodies are fixed, the corresponding antigens in the sample will specifically bind to the antibodies. If the immune colloidal gold or immune enzyme is stained, the region will show a certain color, thereby realizing specific immune diagnosis.

[0003] The utility model with publication number CN210954052U proposes a shadow-eliminating device for immune chromatography detection. The shadow-eliminating device is in a cylindrical shape and is vertically arranged, and the upper end and the lower end of the shadow-eliminating device are both open. The upper end of the shadow-eliminating device is fixed on a camera bracket, and a camera is also fixed on the camera bracket, with the lens of the camera extending into the interior of the shadow-eliminating device. The device can shield stray light, eliminate shadows at the detection window, and improve the accuracy of immune chromatography detection. The shadow-eliminating device in the technical solution can be applied to the design, manufacture, and research and development of immune chromatography detection equipment.

[0004] However, the above-mentioned prior art still has the following defects when in use: 1. The diffuser plate is not convenient to disassemble. When the inner and outer walls of the diffuser plate are sticky with stains, the stains will affect the diffraction, scattering, and reflection of light, and thus will produce image-taking shadows; 2. It does not have a continuous image-taking function. Specifically, for a large number of test strips that need to be imaged, manual feeding and discharging operations are required for each test strip on the placement structure, and there is a defect of low image-taking detection efficiency.

[0005] Therefore, the utility model provides a shadow elimination device. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model aims to provide a shadow elimination device to solve the problems raised in the background art. The utility model has the advantages of convenient installation and disassembly of the heat dissipation member, convenient cleaning, continuous image-taking, and improved image-taking efficiency.

[0007] In order to achieve the above object, the utility model is through the following technical scheme to realize: a shadow elimination device, including base, camera, heat sink part and placing structure, the top of base is provided with vertical rod, one side of vertical rod is provided with cantilever beam close to top, the bottom of cantile beam is provided with telescopic link, the camera is set in the bottom of telescopic link, one side of vertical rod is fixedly connected with annular supporting plate below cantilever beam, the upper end surface of annular supporting plate is provided with coaxial LED annular lamp plate, the upper end surface of annular supporting plate is opened and is provided with annular placing groove close to outer edge, the heat sink part is conical sleeve structure, the big end of heat sink part is insertedly connected with annular placing groove and its small end is opposite to camera, the support of being located below annular supporting plate is set up on base, and the placing structure is set up on support.

[0008] Further, the big end of the heat sink part is fixedly connected with an outer straight cylinder inserted with the annular placing groove, and the small end is fixedly connected with an inner straight cylinder coaxial with it inside, and the bottom of the inner straight cylinder is fixedly connected with an inner conical cover with the small end downward.

[0009] Further, the height of the inner conical cover is higher than that of the outer straight cylinder, and an annular gap is provided between the inner conical cover and the inner conical wall of the heat sink part, and the peripheral wall of the inner straight cylinder is penetrated and provided with uniformly distributed light transmission holes.

[0010] Further, the annular placing groove is nested with an annular rubber pad, and the top of the annular rubber pad is provided with an annular insertion slot in interference fit with the bottom of the outer straight cylinder.

[0011] Further, the outer peripheral wall of the outer straight cylinder is bonded with a handle.

[0012] Further, the support is a belt transmission mechanism, and the placing structure is provided on the outer peripheral wall of the transmission belt on the support and is circumferentially uniformly distributed.

[0013] Further, the telescopic link is one of a pneumatic cylinder and an electric push rod.

[0014] The utility model has the advantages as follows:

[0015] 1. The utility model discloses a placing structure is set up on the annular supporting plate, and then the annular placing groove that the heat sink part of conical sleeve structure is insertedly connected is opened on the annular supporting plate, so that the heat sink part has the advantages that installation and dismounting are more convenient, and the heat sink part is convenient to clean.

[0016] 2. The utility model discloses that the support of being used for supporting the placing structure is set up into a belt transmission mechanism, and the placing structure is uniformly arranged on the outer periphery of the transmission belt, and when the transmission belt is running, every placing structure will be carried in turn to pass below the heat sink part, and the utility model has the advantages that the taking efficiency is improved. DRAWINGS

[0017] Figure 1 It is a structure schematic view of the shadow eliminating device of the utility model;

[0018] Figure 2 It is Figure 1 the front view;

[0019] Figure 3 It is the schematic view of the scattering member, the annular rubber pad and the annular supporting plate of the shadow eliminating device of the utility model after explosion.

[0020] In the figure: 1, base; 2, camera; 3, scattering member; 31, outer straight cylinder; 311, handle; 32, inner straight cylinder; 321, inner conical cover; 322, light transmission hole; 4, vertical rod; 5, suspension beam; 6, annular supporting plate; 7, LED annular lamp plate; 8, annular placing groove; 9, telescopic rod; 101, placing structure; 102, annular rubber pad; 1021, annular slot; 103, supporting part; 1031, transmission belt. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0022] Please refer to Figures 1 to 3 The utility model provides a technical scheme: a shadow eliminating device, including base 1, camera 2, scattering member 3 and placing structure 101, wherein placing structure 101 adopts the structure in the patent document mentioned in background art, and its function is to place test paper strip, and the test paper strip also adopts the structure in the above-mentioned patent document, the function of camera 2 is to take image detection window on test paper strip, and detection window is usually sunken window structure, and the function of scattering member 3 is to eliminate shadow at detection window.

[0023] Further, the top of base 1 is provided with vertical rod 4, one side of vertical rod 4 is provided with suspension beam 5 close to the top, suspension beam 5 and vertical rod 4 are welded connection and perpendicular, the bottom of suspension beam 5 is provided with telescopic rod 9, camera 2 is arranged at the bottom of telescopic rod 9, and camera 2 moves up and down when telescopic rod 9 acts, wherein telescopic rod 9 is one of pneumatic cylinder and electric push rod.

[0024] The stand 4 is fixedly connected with a ring-shaped supporting plate 6 below the cantilever beam 5, the upper end surface of the ring-shaped supporting plate 6 is provided with a coaxial LED ring-shaped light plate 7, the upper end surface of the LED ring-shaped light plate 7 is provided with a ring of LED lamp beads, the upper end surface of the ring-shaped supporting plate 6 is provided with a ring-shaped placing groove 8 close to the outer edge, the diffusing member 3 is a conical sleeve structure, the large end of the diffusing member 3 is in plug-in connection with the ring-shaped placing groove 8 and the small end is opposite to the camera 2, the plug-in connection makes the installation and dismounting of the diffusing member 3 more convenient and facilitates the cleaning of the diffusing member 3, wherein the camera 2 moves downward into the diffusing member 3, the inner conical wall of the diffusing member 3 blocks the LED lamp beads, avoiding the direct irradiation of the LED lamp beads to the lens of the camera 2, and the inner conical surface of the diffusing member 3 reflects the light downward to the detection window on the test strip, thereby eliminating the shadow at the detection window.

[0025] The base 1 is provided with a supporting portion 103 below the ring-shaped supporting plate 6, the placing structure 101 is arranged on the supporting portion 103, the placing structure 101 is provided with a placing groove for placing the test strip, when the placing structure 101 is directly below the diffusing member 3, the inner conical surface of the diffusing member 3 reflects the light downward to the detection window on the test strip.

[0026] Further, the supporting portion 103 is a belt transmission mechanism, the placing structure 101 is arranged on the outer peripheral wall of a transmission belt 1031 of the supporting portion 103 and is uniformly distributed in the circumferential direction, when the transmission belt 1031 operates, it will in turn drive each placing structure 101 to pass directly below the diffusing member 3, thereby improving the continuity of the image taking of a large number of test strips and further improving the efficiency of the image taking.

[0027] In this embodiment, the large end of the diffusing member 3 is fixedly connected with an outer straight cylinder 31 in plug-in connection with the ring-shaped placing groove 8, and the small end is fixedly connected with an inner straight cylinder 32 coaxially arranged inside the outer straight cylinder 31, the inner straight cylinder 32 can weaken the intensity of the light around the lens of the camera 2, the bottom of the inner straight cylinder 32 is fixedly connected with an inner conical cover 321 with the small end downward, the inner conical cover 321 has the effect of enhancing the light reflection intensity of the bottom of the entire diffusing member 3, so that the extraction of the camera 2 is clearer.

[0028] Further, the height of the inner conical cover 321 is higher than the height of the outer straight cylinder 31, an annular gap is arranged between the inner conical cover 321 and the inner conical wall of the diffusing member 3, and the peripheral wall of the inner straight cylinder 32 is provided with uniformly distributed light transmission holes 322, thereby avoiding that part of the light generated by the LED lamp beads is reflected downward by the inner conical wall of the diffusing member 3 and the inner conical wall of the inner conical cover 321, and part of the light is reflected to the inner straight cylinder 32, and then passes through the light transmission holes 322 into the inner straight cylinder 32, this arrangement makes the light intensity in the entire diffusing member 3 have the characteristic of gradually increasing from top to bottom.

[0029] In this embodiment, the annular placement groove 8 is nested with an annular rubber pad 102, the top of the annular rubber pad 102 is provided with an annular insertion slot 1021 which is in interference fit with the bottom of the outer straight cylinder 31, and this kind of arrangement can improve the fastening of the connection between the scattering member 3 and the annular placement groove 8. The outer peripheral wall of the outer straight cylinder 31 is bonded with a handle 311, which is used to hold and disassemble the components of the scattering member 3.

[0030] Working principle: when in use, a plurality of test strips are respectively placed in the placement grooves in the placement structure 101 above the transmission belt 1031, then reagent is added drop by drop, the transmission belt 1031 is started to drive the first test strip to move to the position directly below the annular supporting plate 6, the LED annular lamp plate 7 is turned on, and the light eliminates the shadow at the detection window of the test strip under the scattering, diffraction and reflection of the scattering member 3, the telescopic rod 9 is controlled to descend, the camera 2 enters the position at the top of the scattering member 3, then image acquisition is carried out, after the image acquisition is completed, the transmission belt 1031 is controlled to continue to run, so that the second test strip enters the position directly below the annular supporting plate 6, then image acquisition is carried out, thereby the efficiency of image acquisition of a plurality of test strips can be improved.

[0031] When it is necessary to clean the scattering member 3, the handle 311 is held and lifted upward, at this time the outer straight cylinder 31 is separated from the annular insertion slot 1021, then the camera 2 is controlled to move upward and away from the scattering member 3, finally the scattering member 3 is directly translated and taken down, after being cleaned by a cleaning device, it can be reset.

[0032] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, the skilled person should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments which can be understood by the skilled person.

Claims

1. A shadow elimination device, comprising a base (1), a camera (2), a scattering element (3) and a placement structure (101), characterized in that: The top of the base (1) is provided with a vertical pole (4), one side of the vertical pole (4) is provided with a suspension beam (5) close to the top, the bottom of the suspension beam (5) is provided with a telescopic rod (9), the camera (2) is provided at the bottom of the telescopic rod (9), one side of the vertical pole (4) is fixedly connected with an annular support plate (6) located below the suspension beam (5), the upper end face of the annular support plate (6) is provided with a coaxial LED annular light panel (7), the upper end face of the annular support plate (6) is provided with an annular placement groove (8) close to the outer edge, the scattering member (3) is a conical sleeve structure, the large end of the scattering member (3) is plug-connected with the annular placement groove (8) and the small end thereof is opposite to the camera (2), the base (1) is provided with a support portion (103) located below the annular support plate (6), and the placement structure (101) is provided on the support portion (103).

2. The shadow elimination device according to claim 1, characterized in that: The large end of the scattering member (3) is fixedly connected to an outer straight cylinder (31) plugged into the annular placement groove (8), and the small end is fixedly connected to an inner straight cylinder (32) located inside and coaxial with the inner straight cylinder (32). The bottom of the inner straight cylinder (32) is fixedly connected to an inner conical cover (321) with its small end facing downward.

3. The shadow elimination device according to claim 2, wherein: The height of the inner conical cover (321) is higher than that of the outer straight cylinder (31), an annular gap is provided between the inner conical cover (321) and the inner conical wall of the scattering element (3), and the peripheral wall of the inner straight cylinder (32) is penetrated by uniformly distributed light-transmitting holes (322).

4. The shadow elimination device according to claim 2, wherein: An annular rubber pad (102) is nested in the annular placement groove (8), and an annular slot (1021) is provided on the top of the annular rubber pad (102) for interference fit with the bottom of the outer straight cylinder (31).

5. The shadow elimination device according to claim 4, characterized in that: A handle (311) is bonded to the outer peripheral wall of the outer straight cylinder (31).

6. The shadow elimination device according to claim 1, characterized in that: The support portion (103) is a belt transmission mechanism, and the placement structure (101) is arranged on the outer peripheral wall of the transmission belt (1031) on the support portion (103) and is evenly distributed in the circumferential direction.

7. The shadow elimination device according to claim 1, characterized in that: The telescopic rod (9) is one of a cylinder and an electric push rod.

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