CN217846047U - Test paper adapter and test paper detection device - Google Patents
Test paper adapter and test paper detection device Download PDFInfo
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- CN217846047U CN217846047U CN202221840524.8U CN202221840524U CN217846047U CN 217846047 U CN217846047 U CN 217846047U CN 202221840524 U CN202221840524 U CN 202221840524U CN 217846047 U CN217846047 U CN 217846047U
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Abstract
The utility model provides a test paper adapter and test paper detection device, the test paper adapter includes: a first plate body and a second plate body; a first cavity for accommodating paper to be tested is formed between the first plate body and the second plate body; the first plate body is movably connected with the second plate body; wherein, the paper to be tested is immunochromatography test paper and/or chemochromic test paper. The utility model provides a pair of test paper adapter and test paper detection device through providing the adapter that mainly comprises first plate body and second plate body, has realized during softer examination paper that awaits measuring can insert measuring instrument to fix a position in measuring instrument, be convenient for simultaneously wait taking out and clearing up of test paper, and provide the guarantee for the detection of immunochromatography test paper and/or chemical color development test paper.
Description
Technical Field
The utility model relates to a chemical detection equipment technical field especially relates to a test paper adapter and test paper detection device.
Background
At present, widely used test paper can be divided into two types, one type is immunochromatography test paper, and the other type is chemical color development test paper. After the immunochromatographic test paper develops color, two or more detection strips are generated in a color development area and are divided into a control line C and one or more test lines T, the concentration of all the lines is detected, and the operation is performed by calculating the ratio of the concentrations of the C and T lines. After the chemical color development test paper develops color, a circular or rectangular color development area is formed, and the content of the substance to be detected can be calculated by measuring the change of color hue and lightness of the area and matching with a built-in standard curve.
Because of the detection mode and the structure difference of the device for detecting immunochromatography and chemical color-developing test paper, no device which can detect the immunochromatography test paper and the chemical color-developing test paper in the same device exists at present. This results in the fact that in practical tests, when test strips of various principles are used, multiple instruments have to be used.
In addition, because the test strip is soft, when an instrument is inserted for measurement, detection errors can be caused due to poor positioning; and the test paper directly contacts the instrument, possibly causing the instrument to be polluted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a test paper adapter and test paper detection device for solve the above-mentioned defect among the prior art, through providing the adapter that mainly comprises first plate body and second plate body, realized softer examination paper of awaiting measuring and can insert measuring instrument, and fix a position in measuring instrument, be convenient for simultaneously wait taking out and the clearance of test paper, and provide the guarantee for the detection of immunity chromatography test paper and/or chemical color development test paper.
According to the utility model discloses the first aspect provides a test paper adapter, include: a first plate body and a second plate body; a first cavity for accommodating paper to be tested is formed between the first plate body and the second plate body; the first plate body is movably connected with the second plate body; wherein, the paper to be tested is immunochromatography test paper and/or chemochromic test paper.
Optionally, the method further comprises: and the observation window is arranged on the first plate body and corresponds to the detection area of the paper to be tested.
Optionally, the method further comprises: a loading slot and a clamping part; the loading groove is arranged on one side, facing the first plate body, of the second plate body and is used for accommodating the paper to be tested; the two clamping parts are oppositely arranged to form a clamping structure for clamping the component to be tested; at least two clamping structures are arranged at intervals along the extension direction of the loading slot; wherein, the distance between two opposite clamping parts is smaller than the distance of the loading groove perpendicular to the extending direction.
Optionally, the method further comprises: the rotating shaft is respectively connected with one side end parts of the first plate body and the second plate body; the first plate body and the second plate body are movably connected through rotation around the rotating shaft.
Optionally, the method further comprises: the positioning block is arranged on the side wall of the first plate body; the second plate body is provided with a positioning groove corresponding to the positioning block; after the first plate body and the second plate body are buckled, the positioning block is inserted into the positioning groove.
Optionally, the method further comprises: a first adsorption part and a second adsorption part; the first adsorption part is arranged on one side surface of the first plate body facing the second plate body; the second adsorption part is arranged on one side surface of the second plate body facing the first plate body; the first adsorption part and/or the second adsorption part are/is a magnetic element; the first plate body and the second plate body after being buckled realize magnetic adsorption through the first adsorption part and the second adsorption part.
According to the utility model discloses the second aspect provides a test paper detection device, including foretell test paper adapter.
Optionally, the method further comprises: the device comprises a sample bin, a light source part, a lens and a sensing part; a second cavity for accommodating the test paper adapter is formed in the sample bin, and a through hole for the test paper adapter to enter and exit is formed in the side part of the second cavity; the light source part, the lens and the sensing part are sequentially arranged in the sample bin at intervals; the light source part is arranged around the circumference of the lens and faces one side of the first plate body; the lens and the sensing part respectively correspond to the observation window on the first plate body.
Optionally, the light source part is an array light source having at least two wavelengths.
Optionally, the sensing part is an array sensor and is arranged in parallel with the detection area of the paper to be tested.
The utility model provides an above-mentioned one or more technical scheme has one of following technological effect at least: the utility model provides a pair of test paper adapter and test paper detection device through providing the adapter that mainly comprises first plate body and second plate body, has realized during softer examination paper that awaits measuring can insert measuring instrument to fix a position in measuring instrument, be convenient for simultaneously wait taking out and clearing up of test paper, and provide the guarantee for the detection of immunochromatography test paper and/or chemical color development test paper.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating an assembly relationship of a test paper adapter according to the present invention;
FIG. 2 is a second schematic diagram illustrating the assembly relationship of the test paper adapter provided by the present invention;
FIG. 3 is a schematic view of the assembly relationship of the test paper detecting device provided by the present invention;
FIG. 4 is a second schematic view showing the assembly relationship of the test paper testing apparatus provided by the present invention;
fig. 5 is a third schematic view of an assembly relationship of the test paper detection device provided by the present invention;
fig. 6 is a fourth schematic view of the assembly relationship of the test paper detection device provided by the present invention.
Reference numerals:
10. a first plate body; 11. an observation window; 12. positioning blocks; 13. a first adsorption part; 20. a second plate body; 21. a loading slot; 22. a clamping part; 23. positioning a groove; 24. a second adsorption part; 30. paper to be tested; 40. a rotating shaft; 50. a sample bin; 51. a pass-through port; 60. a light source unit; 70. a lens; 80. a sensing section; 90. a guide groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but 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 embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In some embodiments of the present invention, as shown in fig. 1 and 2, the present invention provides a test paper adapter, comprising: a first plate body 10 and a second plate body 20; a first chamber for accommodating the paper 30 to be tested is formed between the first plate body 10 and the second plate body 20; the first plate body 10 is movably connected with the second plate body 20; wherein, the paper 30 to be tested is an immunochromatographic test paper and/or a chemochromic test paper.
In some possible embodiments of the present invention, the method further comprises: the observation window 11 is disposed on the first board 10, and the observation window 11 corresponds to a detection area of the test paper 30.
Specifically, the present embodiment provides an embodiment of the observation window 11, as shown in fig. 1 and fig. 2, by providing the observation window 11, it is convenient to observe the detection area of the test strip 30 to be tested from one side of the first plate 10.
In a possible embodiment, the observation window 11 is detachably connected to the first plate 10.
In a possible embodiment, the material of which the observation window 11 is made is glass.
In a possible embodiment, the material of which the viewing window 11 is made is a transparent plastic.
In some possible embodiments of the present invention, further comprising: a loading slot 21 and a clamping portion 22; the loading slot 21 is arranged on one side of the second plate body 20 facing the first plate body 10 and is used for accommodating the paper 30 to be tested; the two clamping parts 22 are oppositely arranged to form a clamping structure for clamping the component to be tested; at least two clamping structures are arranged at intervals along the extension direction of the loading slot 21; wherein the distance between two opposite clamping portions 22 is smaller than the distance of the loading slot 21 perpendicular to the extension direction.
Specifically, the present embodiment provides an embodiment of the loading slot 21 and the clamping portion 22, as shown in fig. 2, the loading of the paper 30 to be tested on the second board body 20 is realized by the arrangement of the loading slot 21, and the accommodation of the paper 30 to be tested between the first board body 10 and the second board body 20 is realized by the arrangement of the loading slot 21.
Further, by providing the clamping portion 22 so that the sheet 30 to be tested can be accurately positioned in the loading slot 21, the detection area on the sheet 30 to be tested can be aligned with the observation window 11.
It should be noted that, the width of the loading slot 21 perpendicular to the extending direction is greater than the width of the test paper 30, such arrangement enables the test paper 30 to more smoothly extend into the loading slot 21, and the distance between the two opposite clamping portions 22 is smaller than the distance between the loading slot 21 perpendicular to the extending direction and slightly greater than the width of the test paper 30, so as to facilitate positioning and clamping of the test paper 30.
In a possible embodiment, the loading slot 21 is the same thickness as the paper 30 to be tested.
In some possible embodiments of the present invention, the method further comprises: a rotation shaft 40, the rotation shaft 40 being connected to one side ends of the first plate body 10 and the second plate body 20, respectively; wherein, the first board 10 and the second board 20 are movably connected by rotating around the rotating shaft 40.
Specifically, the present embodiment provides an embodiment of the rotating shaft 40, as shown in fig. 1 and 2, by providing the rotating shaft 40, the first board 10 and the second board 20 can rotate around the rotating shaft 40, so as to be conveniently switched between the open state and the closed state.
In a possible embodiment, the test paper testing device further comprises a guide groove 90, the guide groove 90 is respectively disposed on the other side of the first plate 10 and the other side of the second plate 20 opposite to the steering shaft, and the shape of the guide groove 90 is semicircular, so that the test paper 30 to be tested can be conveniently taken and placed.
In some possible embodiments of the present invention, further comprising: the positioning block 12 is arranged on the side wall of the first plate body 10; the second plate body 20 is provided with a positioning groove 23 corresponding to the positioning block 12; wherein, after the first plate 10 and the second plate 20 are fastened, the positioning block 12 is inserted into the positioning groove 23.
Particularly, this embodiment provides an implementation of locating piece 12 and constant head tank 23, as shown in fig. 1 and fig. 2, through setting up locating piece 12 and constant head tank 23, be convenient for the location of first plate body 10 and second plate body 20 after the lock, make first plate body 10 and second plate body 20 can pinpoint after the lock, guarantee that the detection area who waits to test paper 30 corresponds observation window 11, guarantee going on smoothly of follow-up detection, also avoid taking place the skew between first plate body 10 and the second plate body 20 simultaneously, cause the problem of taking place the dislocation between the detection area who waits to test paper 30 and the observation window 11.
In some possible embodiments of the present invention, further comprising: a first adsorption part 13 and a second adsorption part 24; the first absorption part 13 is arranged on one side surface of the first plate body 10 facing the second plate body 20; the second adsorption part 24 is disposed on a side surface of the second plate body 20 facing the first plate body 10; the first adsorption part 13 and/or the second adsorption part 24 are magnetic elements; the first board 10 and the second board 20 after being fastened are magnetically attracted by the first attraction part 13 and the second attraction part 24.
Specifically, the present embodiment provides an implementation manner of the first absorption part 13 and the second absorption part 24, and as shown in fig. 2, the first absorption part 13 and the second absorption part 24 are arranged to enable the first board 10 and the second board 20 to be stably connected by magnetic absorption after being fastened.
In a possible embodiment, the first suction part 13 is a magnet and the second suction part 24 is a ferrous part.
In a possible embodiment, the first suction part 13 is made of iron and the second suction part 24 is a magnet.
In a possible embodiment, the first suction part 13 is a magnet and the second suction part 24 is a magnet.
In some embodiments of the present invention, as shown in fig. 1 to 6, the present invention provides a test strip detection device, including the above test strip adapter.
The conventional detection methods include: one is direct reflectivity detection, a light source and a detector are arranged above a colloidal gold color development area at a certain angle, light emitted by the light source irradiates on a colloidal gold card detection area, and irradiates on the detector through a slit after being reflected; the colloidal gold card is fixed on the transmission mechanism, and moves back and forth under the drive of the transmission mechanism, and the T and C strips sequentially pass through the slit; therefore, the sensor can detect the difference of the reflectivity of the T and C bands, and the content of the detected sample can be determined by calculating the different reflectivity of the T and C bands. The method has the advantages of high detection precision and less interference; the detection device has the disadvantages of high cost, complex system, low speed and low reliability, only one colloidal gold card can be detected at one time, the detection device is limited by the structure, the length of a motion circuit and the definition of the initial position of a sensor can only be compatible with the detection card with a specific size specification, and a user can not change the used colloidal gold card by himself.
The other method is that a camera is adopted to shoot a picture of the colloidal gold test paper, and then an image processing and identification method is used for obtaining the concentration value of the detection strip from the picture so as to carry out operation; its advantages are high speed and no moving parts; the disadvantage is limited by the imaging quality of the camera, and when the device is miniaturized and the cost is considered, the image quality is usually not good and the quantitative accuracy is not high.
Furthermore, the chemical color test paper detection method generally adopts reflectivity detection, a single silicon photoelectric sensor, an emission light source and the paper to be tested are arranged at a certain angle within 30 degrees, light emitted by the emission light source is irradiated on a test paper color development area and then reflected on the silicon photoelectric sensor from the color development area, and the change of the color and the lightness of the display area can cause the intensity change of reflected light, so that the content of the substance to be tested is reflected. The detection mode and the structure of the immunochromatography and chemical color development test paper device are different.
At present, no device capable of detecting both immunochromatographic test paper and chemochromic test paper in the same device exists. This results in the fact that in practical tests, when test strips of various principles are used, multiple instruments have to be used. Therefore, a detection device capable of integrating multiple detection modes and simultaneously performing immunochromatography and chemochromic test paper is needed.
In some possible embodiments of the present invention, the method further comprises: a sample chamber 50, a light source unit 60, a lens 70, and a sensor unit 80; a second cavity for accommodating the test paper adapter is formed in the sample bin 50, and a through hole 51 for the test paper adapter to enter and exit is formed in the side part of the second cavity; the light source part 60, the lens 70 and the sensing part 80 are sequentially arranged in the sample chamber 50 at intervals; wherein, the light source 60 is disposed around the circumference of the lens 70 and faces one side of the first plate 10; the lens 70 and the sensing portion 80 correspond to the observation window 11 of the first plate 10, respectively.
Specifically, the present embodiment provides an implementation manner of the sample chamber 50, the light source portion 60, the lens 70, and the sensing portion 80, as shown in fig. 3 and fig. 4, by disposing the test paper adapter in the sample chamber 50, and disposing the light source portion 60, the lens 70, and the sensing portion 80, the reflected light of the detection region to be detected is converged on the sensing portion 80 through the lens 70, and by acquiring the energy value of the reflected light, and each pixel point corresponds to a position on the detection display region one to one, so as to implement accurate detection of the test paper 30 to be detected.
In some possible embodiments of the present invention, the light source unit 60 is an array light source having at least two wavelengths.
Specifically, the present embodiment provides an embodiment of the light source unit 60, as shown in fig. 3 and 4, by setting the light source unit 60 as an array light source with at least two wavelengths, the sensor collects the reflected light of each color through the lens 70, and calculates the reflectance of the test paper for each wavelength of light, the color change and brightness change of the test paper can be calculated through a formula, and the content of the sample to be measured can be calculated through a built-in determination threshold or curve.
In a possible embodiment, the light source unit 60 includes light having at least three color wavelengths of red, green, and blue.
In some possible embodiments of the present invention, the sensing portion 80 is an array sensor and is disposed in parallel with the detection area of the paper 30 to be tested.
Specifically, the present embodiment provides an implementation of the sensing part 80, as shown in fig. 3 and 4, by providing an array sensor disposed in parallel with the detection area of the paper 30 to be tested, the light irradiated to the detection area of the paper 30 to be tested is focused on the array sensor through the lens 70, and is sensed by a series of pixels on the array sensor. And calculating the reflectivity of each position of the display area of the test paper, so as to calculate by selecting a specific pixel photometric value, and then calculating the actual concentration of the sample by using a built-in threshold value or formula of the device.
In a possible implementation mode, when the immunochromatographic test strip needs to be detected, signals of all pixel points are obtained from the array sensor, the C line and the T line of the test strip correspond to the corresponding pixel points, the concentration of the C line and the concentration of the T line can be expressed by selecting the luminosity signals of the pixel points, the value of C/T is calculated, and therefore the concentration of a sample is finally calculated through a set threshold or a formula.
In a possible implementation mode, when the chemical color development test paper needs to be detected, LEDs of multiple colors are sequentially turned on, the sensor array collects reflected light of each color through the lens 70, a series of pixel points correspond to a chemical color development area, the reflectivity of the series of pixel points is collected and averaged to process the data, so that the reflectivity of the test paper to light of each wavelength is calculated, the color change and the brightness change of the test paper can be calculated through a formula, and the content of a detected sample can be calculated through a built-in judgment threshold or a built-in judgment curve.
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "a manner," "a particular manner," or "some manner" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or manner is included in at least one embodiment or manner of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or mode. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or modes. Furthermore, the various embodiments or modes and features of the various embodiments or modes described in this specification can be combined and combined by those skilled in the art without being mutually inconsistent.
Finally, it should be noted that: the above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (10)
1. A test strip adapter, comprising: a first plate body (10) and a second plate body (20);
a first chamber for accommodating a test paper (30) to be tested is formed between the first plate body (10) and the second plate body (20);
the first plate body (10) is movably connected with the second plate body (20);
wherein the paper (30) to be tested is immunochromatography test paper and/or chemochromic test paper.
2. The dipstick adapter according to claim 1, further comprising: the observation window (11) is arranged on the first plate body (10) and corresponds to the detection area of the paper to be tested (30).
3. The test strip adapter of claim 1, further comprising: a loading slot (21) and a clamping part (22);
the loading groove (21) is arranged on one side, facing the first plate body (10), of the second plate body (20) and is used for accommodating the paper to be tested (30);
the two clamping parts (22) are oppositely arranged to form a clamping structure for clamping the component to be tested;
at least two clamping structures are arranged at intervals along the extension direction of the loading slot (21);
wherein the distance between two opposite clamping parts (22) is smaller than the distance of the loading slot (21) perpendicular to the extension direction.
4. The dipstick adapter according to claim 1, further comprising: the rotating shaft (40), the rotating shaft (40) is respectively connected with one side end of the first plate body (10) and one side end of the second plate body (20);
the first plate body (10) and the second plate body (20) are movably connected through rotation around the rotating shaft (40).
5. The test strip adapter of claim 1, further comprising: the positioning block (12) is arranged on the side wall of the first plate body (10);
the second plate body (20) is provided with a positioning groove (23) corresponding to the positioning block (12);
after the first plate body (10) and the second plate body (20) are buckled, the positioning block (12) is inserted into the positioning groove (23).
6. A test strip adapter according to any one of claims 1 to 5, further comprising: a first adsorption part (13) and a second adsorption part (24);
the first adsorption part (13) is arranged on one side surface of the first plate body (10) facing the second plate body (20);
the second adsorption part (24) is arranged on one side surface of the second plate body (20) facing the first plate body (10);
the first adsorption part (13) and/or the second adsorption part (24) is a magnetic element;
the first plate body (10) and the second plate body (20) after being buckled realize magnetic adsorption through the first adsorption part (13) and the second adsorption part (24).
7. A test strip testing device comprising the test strip adapter according to any one of claims 1 to 6.
8. A strip tester as claimed in claim 7, further comprising: a sample chamber (50), a light source part (60), a lens (70) and a sensing part (80);
a second cavity for accommodating the test paper adapter is formed in the sample bin (50), and a through hole (51) for the test paper adapter to enter and exit is formed in the side part of the second cavity;
the light source part (60), the lens (70) and the sensing part (80) are sequentially arranged in the sample bin (50) at intervals;
wherein the light source part (60) is arranged around the circumference of the lens (70) and faces one side of the first plate body (10);
the lens (70) and the sensing part (80) respectively correspond to the observation window (11) on the first plate body (10).
9. Test strip detecting device according to claim 8, wherein the light source section (60) is an array light source having at least two wavelengths.
10. The strip testing apparatus of claim 8, wherein the sensing part (80) is an array sensor and is disposed in parallel with a testing area of the paper (30) to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221840524.8U CN217846047U (en) | 2022-07-15 | 2022-07-15 | Test paper adapter and test paper detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221840524.8U CN217846047U (en) | 2022-07-15 | 2022-07-15 | Test paper adapter and test paper detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217846047U true CN217846047U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221840524.8U Active CN217846047U (en) | 2022-07-15 | 2022-07-15 | Test paper adapter and test paper detection device |
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| Country | Link |
|---|---|
| CN (1) | CN217846047U (en) |
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2022
- 2022-07-15 CN CN202221840524.8U patent/CN217846047U/en active Active
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Effective date of registration: 20230629 Address after: Helingeer Shengle Economic Zone Hohhot city the Inner Mongolia Autonomous Region 011517 Patentee after: INNER MONGOLIA MENGNIU DAIRY (GROUP) Co.,Ltd. Patentee after: Inner Mongolia Smart Quality Center Co.,Ltd. Address before: Helingeer Shengle Economic Zone Hohhot city the Inner Mongolia Autonomous Region 011517 Patentee before: INNER MONGOLIA MENGNIU DAIRY (GROUP) Co.,Ltd. |
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