CN217846084U

CN217846084U - Detection device

Info

Publication number: CN217846084U
Application number: CN202222022957.9U
Authority: CN
Inventors: 丁建文
Original assignee: AVE Science and Technology Co Ltd
Current assignee: AVE Science and Technology Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-18
Anticipated expiration: 2032-08-02

Abstract

The application discloses a detection device, which comprises a shell (1) and a reaction tank (2), wherein the shell (1) is formed by assembling a base (11) and a cover body (12); the reaction tank (2) is formed between a base (11) and a cover body (12), a reagent carrier substance is arranged in the reaction tank (2), and the reaction tank (2) is communicated with the outside of the shell (1) through a first channel (3); the reaction tank (2) is also provided with an observation structure, and the reaction result of the reagent carrier can be observed from the outside of the shell (1) through the observation structure. The application provides a detection device, can improve detection device's productivity capacity and production efficiency by a wide margin, reduce intensity of labour.

Description

Detection device

Technical Field

The application relates to the technical field of detection equipment, in particular to a detection device.

Background

The dry chemical detection card is a test paper card which is soaked by chemicals and then detects the existence of certain components in liquid or gas through the color change of the test paper card, has the advantages of convenient use and visual result presentation, and is widely applied.

Existing test cards typically include a housing and an internal test strip. The test paper comprises a base strip and one or more reagent blocks arranged on the base strip, reagents contained in different reagent blocks can be the same or different, and a sample contacts with the reagents in the reagent blocks and can present a color or a state corresponding to a reaction result after reacting; the shell is provided with a positioning clamping groove or a positioning piece corresponding to the base strip or the reagent block so as to fix the position of the test paper.

In the detection card preparation process, the detection reagent corresponding to each project needs to be soaked in the filter paper, then the filter paper is dried to form a detection paper roll, and then the detection paper roll is cut into strips; then sticking strip test paper rolls corresponding to different detection items on a substrate, and finally cutting the substrate to form a base strip with a plurality of reagent blocks, namely a plurality of test papers; and (5) putting the test paper into a shell, and packaging to obtain the product. The mode has complex production flow, high equipment and instruments, low yield if the operation is unskilled, and the production process is limited by the operation precision of the step, thereby influencing the overall production efficiency of the dry chemical detection card.

Therefore, it is an urgent technical problem to be solved by those skilled in the art how to provide a new card structure to improve the manufacturing speed and yield without changing the original using effect.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, a first object of the present invention is to provide a detecting device; the application provides a detection device, can improve detection device's productivity capacity and production efficiency by a wide margin, reduce intensity of labour.

The utility model provides a technical scheme as follows:

a detection device comprises a shell and a reaction tank,

the shell is formed by assembling a base and a cover; the reaction tank is formed between the base and the cover;

a reagent carrier is arranged in the reaction tank, and the reaction tank is communicated with the outside of the shell through a first channel; the reaction tank is also provided with an observation structure, and the reaction result of the reagent carrier can be observed from the outside of the shell through the observation structure.

Preferably, a plurality of reaction cells are arranged in the shell.

Preferably, the plurality of reaction cells are arranged in a circular, linear or rectangular shape.

Preferably, the observation structure is an observation hole or a transparent window.

Preferably, the observation structure is disposed toward the reaction cell.

Preferably, the reaction cell is also in communication with the outside of the housing through a second passage.

Preferably, the first channel and the second channel are respectively communicated with the outside of the shell from the top surface, the side surface or the bottom surface of the shell.

Preferably, the first passage communicates with the outside from the top surface of the housing, and the second passage communicates with the outside from the bottom surface of the housing.

Preferably, a connecting piece is further arranged between the base and the cover body.

Preferably, at least part of the reaction cells are communicated with each other through a third channel.

The application firstly provides a detection device, wherein a shell is formed by assembling a base and a cover, and a reaction cell is formed between the base and the cover; reagent carrier objects are arranged in the reaction tank, and reagents for detection exist in the reagent carrier objects; meanwhile, the reaction cell is communicated with the outside of the shell through a first channel and is used for allowing a sample to flow in for detection; the reaction tank is also provided with an observation structure, and the result presented after the reaction of the reagent carrier can be observed from the outside of the shell through the observation structure.

When the detection device provided by the application is prepared, a single reagent block can be directly placed into the reaction tank, and then the base and the cover body are assembled to form the shell. Because only one reagent block is placed in each reaction tank, the preparation of the corresponding reagent block only needs to soak the whole piece of filter paper in the detection reagent, and then directly cut into reagent blocks with the size corresponding to the reaction tanks, and the complicated steps of cutting by a test paper roll, sticking to a substrate and cutting again are not needed. Simultaneously, because hold a reagent piece in the reaction tank, then the interval of adjacent reagent piece is injectd by the reaction tank, need not like prior art when pasting accurate control strip examination paper roll's interval, further reduced the manufacturing degree of difficulty to can improve manufacturing efficiency and yields.

The reagent piece of the detection device of this application of adaptation can directly soak whole filter paper and cut after the detection reagent, can also cooperate and pour into the detection carrier that can flow into the casing preparation of redrying again. The liquid is filled to the requirement of instrument and equipment is lower, also can avoid cutting to paste the problem that the yield is low, the inefficiency that leads to high to the operation accuracy requirement, can improve detection device's productivity effect and production efficiency by a wide margin, reduces intensity of labour.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic top view of a detection apparatus according to an embodiment of the present invention (the observation structure is an observation hole and coincides with the first channel);

FIG. 2 is a schematic cross-sectional view of FIG. 1 (the viewing structure is a viewing aperture and coincides with the first channel);

fig. 3 is a schematic cross-sectional view of another structure of the detecting device in the embodiment of the present invention (the observation structure is an observation hole, and the observation hole is separated from the first channel);

FIG. 4 is a schematic cross-sectional view of another structure of the detecting device in the embodiment of the present invention (the observation structure is an observation window);

FIG. 5 is a schematic cross-sectional view of another structure of the detecting device in the embodiment of the present invention (the observation structure is an observation hole and coincides with the first channel; and a second channel is provided at the same time);

FIG. 6 is a first schematic diagram of the arrangement of reaction cells of the detection apparatus according to the embodiment of the present invention;

FIG. 7 is a schematic diagram of the arrangement of reaction cells of the detection apparatus according to the embodiment of the present invention;

reference numerals: 1-a shell; 11-a base; 12-a cover body; 2-a reaction tank; 3-a first channel; 4-a second channel; 51-a viewing aperture; 52-a transparent window; a-reagent carrier.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

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 one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure to be understood and read by those skilled in the art, and are not used for limiting the practical limitations of the present disclosure, so they do not have the essential technical meaning, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the technical disclosure of the present disclosure without affecting the function and the achievable purpose of the present disclosure.

As shown in the drawings, the embodiment of the present invention provides a detection device, which includes a housing 1, a reaction tank 2,

the shell 1 is formed by assembling a base 11 and a cover 12; the reaction tank 2 is formed between the base 11 and the cover 12;

a reagent carrier substance is arranged in the reaction tank 2; and the reaction tank 2 is communicated with the outside of the shell 1 through a first channel 3; the reaction tank 2 is also provided with an observation structure, and the reaction result of the reagent carrier can be observed from the outside of the shell 1 through the observation structure.

The application firstly provides a detection device, a shell 1 is formed by assembling a base 11 and a cover 12, and a reaction tank 2 is formed between the base 11 and the cover 12; a reagent carrier substance is arranged in the reaction tank 2, and a reagent for detection exists in the reagent carrier substance; meanwhile, the reaction cell 2 is communicated with the outside of the shell 1 through the first channel 3 and is used for allowing a sample to flow in for detection; the reaction cell 2 is further provided with an observation structure through which the result of the reaction of the reagent carrier can be observed from outside the housing 1.

When the detection device provided by the present application is manufactured, a single reagent block can be directly placed in the reaction well 2, and then the base 11 and the cover 12 are assembled to form the housing 1. Because only one reagent block is placed in each reaction tank 2, the preparation of the corresponding reagent block only needs to soak the whole piece of filter paper in the detection reagent, then the whole substrate is fully attached, and then the reagent block is directly cut into reagent blocks with the size corresponding to the reaction tank, and the complicated steps of cutting the test paper roll, and cutting the test paper roll into the reagent blocks again after the test paper roll is attached to the substrate are not needed. Meanwhile, because one reagent block is accommodated in one reaction tank 2, the distance between the adjacent reagent blocks is limited by the reaction tank 2, and the distance between the strip-shaped test paper rolls does not need to be accurately controlled during pasting like the prior art, so that the manufacturing difficulty is further reduced, and the manufacturing efficiency and the yield can be improved.

The reagent block of the detection device can be matched with the whole piece of filter paper to soak the detection reagent and then cut, and can also be matched with a method for injecting a detection carrier which can flow into the shell and then drying the detection carrier. The liquid fills the requirement for instrument and equipment lower, also can avoid cutting to paste and require high and the problem that the yield is low, the inefficiency that leads to the accurate nature of operation, can improve detection device's productivity effect and production efficiency by a wide margin, reduces intensity of labour.

Preferably, a plurality of reaction cells 2 are arranged in the housing 1.

A plurality of reaction tanks 2 are arranged in a shell 1, each reaction tank 2 is independently provided with a first channel 3 and an observation structure, and reagent carriers in each reaction tank 2 can be the same or different, so that the reagent carriers in the reaction tanks 2 can be prevented from influencing each other.

Plural in this application means two or more.

Preferably, the plurality of reaction cells 2 are arranged in a circular, linear or rectangular shape.

In order to facilitate observation of the result after the reaction of adding the sample or scanning the structure one by a machine, it is preferable that the plurality of reaction cells 2 are arranged in a circular, linear or rectangular shape.

When the number of the reaction tanks 2 is two, a linear arrangement is naturally formed between the two reaction tanks; when the number of the reaction cells 2 is further increased, a circular, linear or rectangular arrangement may be assumed.

The reaction tanks 2 are arranged in a circular, linear or rectangular shape, which means that the centers of the reaction tanks 2 are located on a circular line or on any one side of the rectangle, and the distances between the adjacent reaction tanks 2 may be equal or different.

On one detection device, a plurality of reaction cells 2 may be arranged in a rectangular shape, while the other reaction cells 2 are combined in a strip-shaped or ring-shaped arrangement.

Preferably, the observation structure is an observation hole 51 or a transparent window 52.

Preferably, the viewing structure is a viewing aperture 51 or a transparent window 52. The observation hole 51 penetrates the wall of the casing 1, and the transparent window 52 is a window made of transparent material and disposed on the casing 1 corresponding to the reaction cell 2. In addition, the entire housing 1 may be transparent to allow observation.

When the observation structure is the observation hole 51, the observation hole 51 may be separated from or overlapped with the first channel 3. In order to be able to clearly observe the reaction result, the size of the observation hole 51 is generally larger than that of the first channel 3, and when the two are coincident, the size is based on the size of the observation hole 51. When the two are separately provided, the first channel 3 may be sized to allow for the injection of a liquid that mixes the detection reagent and the carrier.

Preferably, the observation structure is arranged towards the reaction cell 2.

Preferably, the observation structure is disposed toward the reaction cell 2. The observation structure is for observing the reaction result of the reagent carrier from outside the housing, and the arrangement toward the reaction cell 2 can reduce the volume required for arranging the observation structure (the observation hole 51 or the transparent window 52). .

Preferably, the reaction cell 2 is also in communication with the outside of the housing 1 through a second passage 4.

Preferably, the reaction cell 2 is also in communication with the outside of the housing 1 through a second passage 4. The mixture of the detection reagent and the carrier, and the sample, can be injected through different channels.

When the observation structure is the observation hole 51, it may be overlapped with the first channel 3 or the second channel 4, or may be provided separately. Or with the first and

second channels

3, 4 using viewing windows.

Preferably, the first channel 3 and the second channel 4 are respectively communicated with the outside of the shell 1 from the top surface, the side surface or the bottom surface of the shell 1.

Preferably, the first passage 3 communicates with the outside from the top surface of the housing 1, and the second passage 4 communicates with the outside from the bottom surface of the housing 1.

The first channel 3 and the second channel 4 are communicated with the outside of the shell 1 and can penetrate out from the top surface, the side edge or the bottom surface of the shell 1. Preferably, the first passage 3 communicates with the outside from the top surface of the housing 1, and the second passage 4 communicates with the outside from the bottom surface of the housing 1.

When the second channel 4 is provided on the bottom surface, the liquid can be kept from flowing out of the holes on the bottom surface by the tension of the injected detection carrier liquid or sample liquid itself (for example, the tension of water carried in the liquid) as long as the diameter of the channel is controlled.

Preferably, a connecting member is further provided between the base 11 and the cover 12.

Preferably, a connecting member is further provided between the base 11 and the cover 12, so that the base 11 and the cover 12 can be detachably connected. The attachment means may be a threaded hole, snap, etc.

Preferably, at least a part of the reaction cells 2 are communicated with each other through a third channel.

The reaction cells 2 of one housing 1 may be independent of each other, or may be partially or entirely communicated with each other through a third passage.

When the reaction tanks are communicated through the third channel, the reagent block can be fixed in the shell 1 by filling the flowable carrier, and other reaction tanks 2 can be filled by filling the flowable carrier in one reaction tank 2. After the reaction tank is filled, the carrier substances in the third channel can be removed, so that the mutual influence among the reaction tanks 2 is avoided; or controlling the amount of the sample when the sample is dripped so that the sample does not enter the other reaction cell 2 from one reaction cell 2 along the third channel; of course, depending on the need of detection, the sample may be allowed to flow into a plurality of reaction cells 2, and the third channel may be a channel for the flow of the sample.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A detection device is characterized by comprising a shell (1) and a reaction tank (2),

the shell (1) is formed by assembling a base (11) and a cover body (12); the reaction tank (2) is formed between the base (11) and the cover body (12);

a reagent carrier substance is arranged in the reaction tank (2), and the reaction tank (2) is communicated with the outside of the shell (1) through a first channel (3); the reaction tank (2) is also provided with an observation structure, and the reaction result of the reagent carrier can be observed from the outside of the shell (1) through the observation structure.

2. The detection device according to claim 1, wherein a plurality of reaction cells (2) are provided in the housing (1).

3. The detection apparatus according to claim 2, wherein the plurality of reaction cells (2) are arranged in a circular, linear or rectangular shape.

4. The detection device according to claim 1, wherein the observation structure is an observation hole (51) or a transparent window (52).

5. A testing device according to claim 4, characterized in that the observation structure is arranged towards the reaction cell (2).

6. A test device according to any one of claims 1-5, characterized in that the reaction cell (2) also communicates with the outside of the housing (1) via a second channel (4).

7. The detection device according to claim 6, wherein the first channel (3) and the second channel (4) are respectively communicated with the outside of the housing (1) from the top surface, the side surface or the bottom surface of the housing (1).

8. The detection device according to claim 7, wherein the first passage (3) communicates with the outside from the top surface of the housing (1), and the second passage (4) communicates with the outside from the bottom surface of the housing (1).

9. The detection device according to claim 1, wherein a connection member is further provided between the base (11) and the cover (12).

10. The test device according to any one of claims 1-5 and 7-9, wherein at least a part of the reaction cells (2) communicate with each other through a third channel.