CN212780458U

CN212780458U - Household small test paper detection device

Info

Publication number: CN212780458U
Application number: CN202021232829.1U
Authority: CN
Inventors: 胡强; 董灵
Original assignee: Hangzhou Qichuang Biotechnology Co ltd
Current assignee: Hangzhou Qichuang Biotechnology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-23
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a household small test paper detection device, which comprises a frame; the test paper bearing box is rotatably arranged at the lower part of the frame; the detection circuit board is arranged on the upper part of the frame; the camera is electrically connected on the detection circuit board; the light source structure is arranged below the detection circuit board; the light source structure comprises a light source; the light source cover is covered on the light source; the camera is positioned at the central position of the light source cover, the light sources are uniformly distributed on the periphery of the camera in the circumferential direction, and a soft light cover positioned in the light source cover is arranged in front of the light sources; a refraction structure positioned in front of the soft light cover is arranged on the inner wall of the light source cover; the beneficial effects are that: light source light hits refraction structurally, utilizes the setting of the indent cambered surface of refraction structure, and light redirecting is and gather to utilize and the arch on the soft light cover, increase the diffusion of light, make the colour development district position have not the shade, and improve the luminance in colour development district, the camera of being convenient for shoots more clear photo.

Description

Household small test paper detection device

Technical Field

The utility model relates to a domestic small-size test paper detection device belongs to the detection device field

Background

In the detection process, the test paper needs to be placed in a bearing device, the bearing device is placed on a disc, the bearing device can align with a detection light source along with the rotation of the disc, and then detection is carried out; the existing light source has the conditions of incapability of gathering and existence of intrinsic shadows, and can influence the detection of the test paper.

The chinese utility model patent document with publication number "CN 201078637" discloses "a diffuser for a light emitting diode lamp", which comprises a diffuser that is a transparent body, the diffuser is a cylinder, a light emitting diode is arranged on the upper portion of the diffuser, a diffuser is arranged on the flat diffuser surface of the diffuser, the diffuser is a transparent body, and the diffuser is a closely adjacent circular triangle convex strip.

Although the device can make the light emitted by the light emitting diode generate refraction and scattering when passing through the light scattering body on the light scattering surface, the light emitted by the light emitting diode is soft, people can not be dazzled, and the problem of the dazzling property of the light emitting diode lamp is solved. But this astigmatic glass structure of circle triangle-shaped sand grip is too simple, and the angle of astigmatism is fixed, so the astigmatism only carries out one through the sand grip part to refraction, and the refraction of all sand grips all is same direction for device astigmatism efficiency is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic small-size test paper detection device can effectively solve the inhomogeneous and illumination insufficient problem of light source.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: comprises a frame; the test paper bearing box is rotatably arranged at the lower part of the rack; the detection circuit board is arranged on the upper part of the rack; the camera is electrically connected to the detection circuit board; the light source structure is arranged below the detection circuit board; the method is characterized in that: the light source structure comprises a light source electrically connected to the detection circuit board; the light source cover is covered on the light source; the camera is positioned at the central position of the light source cover, the light sources are uniformly distributed on the periphery of the camera in the circumferential direction, and a soft light cover positioned in the light source cover is arranged in front of the light sources; a refraction structure positioned in front of the soft light cover is arranged on the inner wall of the light source cover; the refraction structure is a concave structure formed on the inner wall of the light source cover.

According to the arrangement, the light sources are four bulbs and are arranged around the camera, the light sources and the camera are covered by the flexible light cover, the flexible light cover and the light source cover are made of synthetic plastics, and the inner wall of the light source cover is coated with a reflecting material; the refraction structure can be distributed on the inner wall of the light source cover; the test paper bearing box is provided with a color development area.

Furthermore, the light source cover and the soft light cover are horn-shaped, the thick opening of the light source cover is arranged downwards, and the thin opening of the soft light cover is arranged downwards.

According to the arrangement, the upper end face of the soft light cover is flush with the upper end face and the lower end face of the light source cover, and the light source cover and the soft light cover are bonded together.

Furthermore, refraction structure is a plurality of arc concave surface, and is the circumference equipartition and is in the light source cover inner wall.

According to the arrangement, the refraction structures are arranged in a single mode, and a plurality of refraction structures are wound around the inner wall of the light source cover to form a layer, and the number of layers is five.

Further, the refraction structures are connected to form a ring-shaped concave surface.

So set up, individual said refraction structure links to each other from side to side, forms the annular concave surface of a layer, and such a layer number is five.

Further, the soft light cover is convex outwards from the whole middle section from top to bottom.

In this arrangement, the housing of the diffuser is arc-shaped, and the arc is convex outwards.

Furthermore, a plurality of bulges which are uniformly distributed in the circumferential direction are arranged on the outer side of the diffuser.

According to the arrangement, the bulge is semicircular, the bulge and the soft light cover are integrally machined and formed, and the machining method is mold injection molding.

Further, a sealing cover is further arranged at the lower end of the light source cover, and the sealing cover is cylindrical.

So set up, the sealed cowling upper end with light source cover fixed mounting, the lower extreme with the frame is fixed.

Further, the frame includes chassis, mounting panel, pillar, backup pad, the mounting panel is fixed on the chassis, the pillar is fixed the mounting panel upper end, the backup pad sets up the pillar upper end, and the power is installed to the backup pad upper end.

According to the arrangement, the light source structure is arranged in a space between the mounting plate and the detection circuit board, a through hole is formed in the mounting plate, and after the test paper bearing box rotates, the color development area of the test paper bearing box corresponds to the through hole up and down; after the sealing cover is installed, the through hole is superposed with the axis of the sealing cover; the power supply is used for supplying electric energy to the light source structure.

Furthermore, the mounting plate is mounted on the rack through a first fixing pin positioned on one side of the lower end face and a second fixing pin positioned on the other side of the lower end face; the number of the first fixing pins is two; the second fixing foot comprises two circular plates and a rotating shaft which is arranged in the middle of the circular plates and can rotate.

According to the arrangement, a triangular structure is formed between the two first fixing feet and the second fixing foot, so that the mounting plate can be stably supported; and the test paper bearing box is arranged on the rotating shaft, so that the test paper bearing box can rotate by utilizing the rotating shaft.

Compared with the prior art, the utility model has the advantages that:

light that the light source sent passes the sheen cover from the inboard for the first time and beats on the refraction structure of light source cover, utilize the setting of the indent cambered surface of refraction structure, light redirecting is and gather, utilize the shape of sheen cover itself and the arch on the sheen cover, beat after even the light on the color development district that the test paper bore the box for color development district position does not have the shadow, and improves the luminance in color development district, the camera of being convenient for shoots more clear photo.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a cross-sectional view of the sealing cap of the present invention;

FIG. 3 is a through hole detail view of the present invention;

FIG. 4 is a drawing of a second fixing leg of the present invention;

FIG. 5 is a cross-sectional view of a light source cover according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a second light source cover according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of a three-light source cover according to an embodiment of the present invention;

fig. 8 is a three-dimensional structure view of the diffuser of the present invention.

Description of reference numerals:

1. a frame; 2. a test paper carrying box; 3. detecting the circuit board; 4. a light source structure; 5. a camera; 6. a light source; 7. a light source cover; 701. a soft light cover; 702. a refractive structure; 8. a power source; 703. a protrusion; 9. a sealing cover; 101. a chassis; 102. mounting a plate; 1021. a through hole; 103. a pillar; 104. a support plate; 105. a first fixing leg; 106. a second fixing leg; 107. a circular plate; 108. a rotating shaft.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Implement method

Referring to fig. 1, fig. 2 and fig. 5, an embodiment of a household small test paper detection device of the present invention is shown;

comprises a frame 1; the test paper bearing box 2 is rotatably arranged at the lower part of the rack 1; the detection circuit board 3, the detection circuit board 3 is installed on the upper part of the frame 1; the camera 5, the camera 5 is connected on the detection circuit board 3 electrically; the light source structure 4, the light source structure 4 is set up under the detection circuit board 3; the method is characterized in that: the light source structure 4 includes a light source 6 electrically connected to the detection circuit board 3; the light source cover 7, the light source cover 7 is covered on the light source 6; the camera 5 is positioned at the center of the light source cover 7, the light sources 6 are uniformly distributed on the periphery of the camera 5 in the circumferential direction, and a soft light cover 701 positioned in the light source cover 7 is arranged in front of the light sources 6; a refraction structure 702 positioned in front of the diffuser cover 701 is arranged on the inner wall of the light source cover 7; the light refracting structure 702 is a concave structure formed on the inner wall of the light source cover 7.

Referring to fig. 5, the light source 6 is four bulbs and is disposed around the camera 5, the light source 6 and the camera 5 are covered by the soft light cover 701, the soft light cover 701 and the light source cover 7 are made of synthetic plastics, and the inner wall of the light source cover 7 is coated with a reflective material; the refraction structure 702 can be distributed on the inner wall of the light source cover 7; the test paper bearing box 2 is provided with a color development area which is arranged at a circle at the upper end of the test paper bearing box 2 in the graph 1.

The specific working principle of this embodiment is as follows: firstly, the color development area of the test paper bearing box 2 is aligned with the quasi-camera 5, then the light source 6 is turned on, light emitted by the light source 6 passes through the diffuser cover 701 and is emitted on the refraction structure 702 of the light source cover 7, after refraction of the refraction structure 702 is utilized, the light changes direction and is gathered on the color development area of the test paper bearing box 2, so that the position of the color development area is free from shadow, the brightness of the color development area is improved, and the camera 5 can shoot more clear photos conveniently.

Referring to fig. 1 and 5, in the present embodiment, the light source cover 7 and the diffuser cover 701 are in a trumpet shape, and the light source cover 7 is disposed with a thick opening facing downward and the diffuser cover 701 is disposed with a thin opening facing downward. The upper end surface of the diffuser cover 701 is flush with the upper and lower end surfaces of the light source cover 7, and the light source cover 7 and the diffuser cover 701 are bonded together. The lower end of the light source cover 7 is also provided with a sealing cover 9, and the sealing cover 9 is cylindrical. The upper end of the sealing cover 9 is fixedly arranged with the light source cover 7, and the lower end is fixed with the frame 1. The refraction structures 702 are a plurality of arc-shaped concave surfaces and are circumferentially and uniformly distributed on the inner wall of the light source cover 7. The light refracting structures 702 are arranged in a single form, and several light refracting structures 702 are wound around the inner wall of the light source cover 7 to form a layer, and the layer number is five.

When light strikes on refraction structure 702, because refraction structure 702 comprises for a plurality of arc concave surfaces, so, light can be through the reflection of concave surface, towards the position gathering in concave surface center, according to the shape of concave surface, the position straight line of gathering, light luminance after the gathering is higher, can improve the luminance that test paper bears 2 color areas of box.

In this embodiment, the whole middle section of the diffuser 701 from top to bottom is outwardly convex. The housing of the diffuser 701 is shaped like an arc, which is convex outward. A plurality of protrusions 703 which are uniformly distributed in the circumferential direction are arranged on the outer side of the diffuser cover 701. The protrusion 703 is semicircular, and the protrusion 703 and the diffuser cover 701 are integrally formed by injection molding.

When light passes through the diffuser cover 701, the diffusion rate of the light can be improved by utilizing the overall outward convex shape of the diffuser cover 701; the collected light is more uniform, and the shot picture is more cleaned.

Referring to fig. 1, 3 and 4, in the embodiment, the rack 1 includes a chassis 101, a mounting plate 102, a support column 103 and a support plate 104, the mounting plate 102 is fixed on the chassis 101, the support column 103 is fixed on the upper end of the mounting plate 102, the support plate 104 is arranged on the upper end of the support column 103, and the power supply 8 is mounted on the upper end of the support plate 104.

In this embodiment, the light source structure 4 is disposed in a space between the mounting plate 102 and the detection circuit board 3, a through hole 1021 is disposed in the mounting plate 102, and after the test paper carrying box 2 rotates, the color development area of the test paper carrying box 2 vertically corresponds to the through hole 1021; after the sealing cover 9 is installed, the through hole 1021 is overlapped with the axis of the sealing cover 9; the power supply 8 is operative to provide electrical power to the light source structure 4.

After the light is refracted and diffused by the diffuser cover 701 and the refraction structure 702, the light can be transmitted to the color development area of the test paper carrying box 2 by the sealing cover 9.

Of course, the length of the support post 103 may be reduced, the seal cover 9 may be removed, and the lower end surface of the light source cover 7 may be directly attached to the upper end of the mounting plate 102, thereby saving costs.

In this embodiment, the mounting plate 102 is mounted on the frame 1 by a first fixing leg 105 on one side of the lower end surface and a second fixing leg 106 on the other side; the number of the first fixing feet 105 is two; the second fixing leg 106 includes two circular plates 107 and a rotating shaft 108 rotatably disposed in the middle of the circular plates 107. A triangular structure is formed between the two first fixing feet 105 and the second fixing foot 106, so that the mounting plate 102 can be stably supported; and the test paper carrying case 2 is disposed on the rotation shaft 108 so that the test paper carrying case 2 can rotate by the rotation shaft 108.

The rotation process of the reagent paper carrying box 2 is that an operator holds the reagent paper carrying box 2 and slightly rotates the reagent paper carrying box 2, so that the rotation shaft 108 is driven by the reagent paper carrying box 2 to rotate relative to the mounting plate 102.

Example two

Fig. 6 shows an embodiment of a household small test paper detection device according to the present invention;

the difference between this embodiment and the above embodiments is: the light refracting structures 702 are connected to form an annular concave surface. The individual refractive structures 702 are connected left and right to form a one-layer annular concave surface, and the number of layers is five. So set up, can increase refraction structure 702's space, improve the refraction efficiency of light to improve the bright degree in the test paper bears box 2 color development district.

EXAMPLE III

Fig. 7 shows an embodiment of a household small test paper testing device according to the present invention;

the difference between this embodiment and the above embodiments is: the refraction structure 702 is an arc concave surface, so that light can be concentrated on one point after being refracted, and the brightness of the color development area of the test paper bearing box 2 is greatly increased. The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. A household small test paper detection device comprises a frame (1);

the test paper bearing box (2), the test paper bearing box (2) can be rotatably arranged at the lower part of the rack (1);

the detection circuit board (3), the detection circuit board (3) is installed on the upper part of the rack (1);

the camera (5), the said camera (5) is connected on the said detection circuit board (3) electrically;

the light source structure (4), the said light source structure (4) is set up under the said detection circuit board (3);

the method is characterized in that: the light source structure (4) comprises a light source (6) electrically connected on the detection circuit board (3);

the light source cover (7), the said light source cover (7) is covered on the said light source (6);

the camera (5) is positioned at the center of the light source cover (7), the light sources (6) are uniformly distributed on the periphery of the camera (5) in the circumferential direction, and a soft light cover (701) positioned in the light source cover (7) is arranged in front of the light sources (6); a refraction structure (702) positioned in front of the soft light cover (701) is arranged on the inner wall of the light source cover (7); the refraction structure (702) is a concave structure formed on the inner wall of the light source cover (7).

2. The apparatus for testing a household small test strip according to claim 1, wherein: the light source cover (7) and the soft light cover (701) are horn-shaped, the thick opening of the light source cover (7) is arranged downwards, and the thin opening of the soft light cover (701) is arranged downwards.

3. The apparatus for testing a household small test strip according to claim 2, wherein: the refraction structures (702) are a plurality of arc-shaped concave surfaces and are circumferentially and uniformly distributed on the inner wall of the light source cover (7).

4. The apparatus according to claim 3, wherein: the refraction structures (702) are connected to form a ring-shaped concave surface.

5. The apparatus for testing a household small test strip according to claim 3 or 4, wherein: the diffuser (701) is integrally outwards convex from the middle section to the lower section.

6. The apparatus for testing a household small test strip according to claim 5, wherein: the outer side of the diffuser cover (701) is provided with a plurality of protrusions (703) which are uniformly distributed in the circumferential direction.

7. The apparatus for testing a household small test strip according to claim 5, wherein: the lower end of the light source cover (7) is further provided with a sealing cover (9), and the sealing cover (9) is cylindrical.

8. The apparatus according to claim 6, wherein: the lower end of the light source cover (7) is further provided with a sealing cover (9), and the sealing cover (9) is cylindrical.

9. The apparatus according to claim 8, wherein: frame (1) includes chassis (101), mounting panel (102), pillar (103), backup pad (104), mounting panel (102) are fixed on chassis (101), pillar (103) are fixed mounting panel (102) upper end, backup pad (104) set up pillar (103) upper end, and backup pad (104) upper end installs power (8).

10. The apparatus according to claim 9, wherein: the mounting plate (102) is mounted on the rack (1) through a first fixing foot (105) positioned on one side of the lower end face and a second fixing foot (106) positioned on the other side; the number of the first fixing feet (105) is two; the second fixing foot (106) comprises two circular plates (107) and a rotating shaft (108) which is arranged in the middle of the circular plates (107) in a rotatable mode.