CN212008274U - Optical detection system of glycosylated hemoglobin - Google Patents
Optical detection system of glycosylated hemoglobin Download PDFInfo
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- CN212008274U CN212008274U CN201922106989.5U CN201922106989U CN212008274U CN 212008274 U CN212008274 U CN 212008274U CN 201922106989 U CN201922106989 U CN 201922106989U CN 212008274 U CN212008274 U CN 212008274U
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Abstract
The utility model discloses an optical detection system of glycated haemoglobin, include: the detector comprises a detector body, a cover body, optical detection devices, a sample conveying device and a detection card, wherein the detector body is of a rectangular box structure, a square hole is formed in the middle of the cover body, the optical detection devices are located between the two partition plates, the sample conveying device is movably arranged in the square hole, the sample conveying device comprises a front end plate, a sample placing plate and a driving mechanism, the detection card is movably arranged in the sample conveying device, and a circular through hole is formed in the middle of the detection card in a penetrating mode. The utility model discloses improved the design to the light path, effectively reduce the parasitic light and get into the detection storehouse, reduced the noise, promote the SNR, increase the sensitivity of instrument to through increasing buckle and position sensor, prevent that the lens hood from not closing and detect under the tight circumstances, simplified the operating procedure of analysis appearance greatly, improved the degree of accuracy and the precision of testing result.
Description
Technical Field
The utility model relates to a detecting instrument field, in particular to optical detection system of glycated haemoglobin.
Background
In the detection of the conventional glycated hemoglobin detection equipment, a detection card is placed above an instrument, one end of a detection light path is fixed on the instrument, and the light path is buckled on the detection card for detection during detection. The test light path comprises a light source and a sensor. The design realizes optical detection outside the instrument and is greatly influenced by external light.
Therefore, in order to improve the test precision and the test efficiency, the glycosylated hemoglobin test module is improved and designed to ensure the test accuracy, the detection optical path is changed from the original front side to the lower side from the original front side to the original detection optical path outside the original instrument, and during the test, the detection card is reversely buckled on the surface of the instrument and above the optical module, and meanwhile, the light shield is buckled on the test card. Be equipped with light-resistant material in the lens hood, form the darkroom, there is unsmooth slot design simultaneously lens hood and face-piece, reduces the external light and gets into through the gap entering darkroom. A position sensor is arranged between the light shield and the face shell and used for determining whether the light shield is in a buckled state or not during testing.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an optical detection system of glycated hemoglobin that simple structure, convenient operation, the noise is low, and the measuring accuracy is high.
In order to solve the technical problem, the utility model discloses a technical scheme does:
an optical detection system for glycated hemoglobin, comprising:
the detector comprises a detector body, wherein the detector body is of a rectangular box structure, two parallel partition plates and a plurality of screw columns are arranged inside the detector body, and the plurality of screw columns are uniformly arranged along the inner wall of the detector body;
the cover body is movably arranged on the front side surface of the detector body, a square hole is formed in the middle of the cover body, a plurality of counter bores are formed in the cover body, and the plurality of counter bores are arranged corresponding to the screw posts;
the optical detection device is arranged inside the detector body and is positioned between the two partition plates;
the sample feeding device is movably arranged in the square hole and comprises a front end plate, a sample placing plate and a driving mechanism, and the sample feeding device is matched with the square hole;
the detection card is movably arranged in the sample conveying device, and a circular through hole penetrates through the middle of the detection card.
Preferably, the upper portion activity of detection card is equipped with the test seat, the test seat with circular through-hole phase-match, the middle part activity of test seat is equipped with tubaeform inspection hole, the inner wall of tubaeform inspection hole is equipped with the screw thread form step.
Preferably, the front end plate is fixedly arranged at one end of the sample placing plate, the front end plate is perpendicular to the sample placing plate, the driving mechanism is arranged at the lower part of the sample placing plate, and the front end plate is matched with the square hole.
Preferably, the upper portion embedding of sample board is provided with the rectangle draw-in groove, the middle part of rectangle draw-in groove is run through and is equipped with circular light trap, circular light trap with tubaeform inspection hole corresponds the setting, the rectangle draw-in groove with the test card phase-match.
Preferably, the optical detection device comprises a light source, a projection assembly and a receiving assembly, the light source is arranged at the bottom of the rectangular box body and located between the two partition plates, the light source is an LED, the projection assembly is located at the lower part of the sample feeding device, and the receiving assembly is located at the upper part of the sample feeding device.
Preferably, the projection assembly comprises a first light shield, a first diaphragm, a first optical filter and a first converging lens, the first diaphragm, the first optical filter and the first converging lens are arranged inside the first light shield from bottom to top, the first light shield comprises a first front shield body and a first rear shield body, the first front shield body and the first rear shield body are connected in a buckling mode, and an illumination pinhole is arranged in the middle of the first diaphragm.
Preferably, the receiving assembly comprises a second light shield, a second diaphragm, a second optical filter, a second converging lens, a third converging lens and a photodiode, the middle part of the second diaphragm is provided with a detection pinhole, and the second diaphragm, the second optical filter, the second converging lens, the third converging lens and the photodiode are arranged in the second light shield from bottom to top.
Preferably, the central axes of the first light shield, the second light shield and the trumpet-shaped detection hole are overlapped, and the light source is correspondingly arranged at the lower part of the first light shield.
Preferably, the detector body comprises a bottom plate, and the two parallel partition plates are perpendicular to the bottom plate.
Preferably, the light shield further comprises a position sensor, and the position sensor is arranged between the first light shield and the cover body.
The beneficial effects of the utility model reside in that:
the above technical scheme is adopted in the utility model, improved the design to the light path, effectively reduce the miscellaneous light and get into the detection storehouse, reduce the noise, promote the SNR, increase the sensitivity of instrument to increase buckle and position sensor, prevent that the lens hood from not closing under the tight circumstances and detecting, simplified the operating procedure of analysis appearance greatly, improved the degree of accuracy and the precision of testing result.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an optical detection system for glycated hemoglobin according to the present invention;
fig. 2 is a schematic view of an optical path structure of an optical detection device in an embodiment of an optical detection system for glycated hemoglobin according to the present invention.
In the figure, 1-the detector body, 2-the cover, 3-the optical detection device, 31-the light source,
32-projection assembly, 321-first light shield, 322-first diaphragm, 323-first filter, 324-first focusing lens,
33-a receiving component, 331-a second light shield, 332-a second diaphragm, 333-a second optical filter, 334-a second converging lens, 335-a third converging lens, 4-a sample feeding device, 5-a detection card, 6-a photodiode and 7-a sample.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, an optical detection system for glycated hemoglobin includes:
the detector comprises a detector body 1, wherein the detector body 1 is of a rectangular box structure, two parallel partition plates and a plurality of screw columns are arranged inside the detector body 1, and the screw columns are uniformly arranged along the inner wall of the detector body 1;
the detector comprises a cover body 2, wherein the cover body 2 is movably arranged on the front side surface of the detector body 2, a square hole is formed in the middle of the cover body 2, a plurality of countersunk holes are formed in the cover body 2, and the countersunk holes are arranged corresponding to the screw posts;
the optical detection device 3 is arranged inside the detector body 1, and is positioned between the two partition plates;
the sample feeding device 4 is movably arranged in the square hole, the sample feeding device 4 comprises a front end plate, a sample placing plate and a driving mechanism, and the sample feeding device 4 is matched with the square hole;
the detection card 5 is movably arranged in the sample feeding device 4, and a circular through hole penetrates through the middle of the detection card 5.
The utility model discloses in the embodiment of the preferred, the upper portion activity of detecting card 5 is equipped with the test seat, test seat and circular through-hole phase-match, and the middle part activity of test seat is equipped with tubaeform inspection hole, and tubaeform inspection hole's inner wall is equipped with the screw thread form step.
The utility model discloses in the embodiment of the preferred, the fixed one end that places the board at the sample of front end plate, the front end plate is placed the board with the sample and is set up perpendicularly, and actuating mechanism sets up the lower part of placing the board at the sample, front end plate and square hole phase-match.
The utility model discloses in the embodiment of the preferred, the upper portion embedding that the board was placed to the sample is provided with the rectangle draw-in groove, and the middle part of rectangle draw-in groove is run through and is equipped with circular light trap, and circular light trap corresponds the setting with tubaeform inspection hole, rectangle draw-in groove and 5 phase-matchs of test card.
In the preferred embodiment of the present invention, the optical detection device 3 includes a light source 31, a projection assembly 32, and a receiving assembly 33, the light source 31 is disposed at the bottom of the rectangular box and located between two partitions, the light source 31 is a LED, the projection assembly 32 is located at the lower portion of the sample feeding device 4, and the receiving assembly 33 is located at the upper portion of the sample feeding device 4.
The utility model discloses in the preferred embodiment, throw subassembly 32 and include first lens hood 321, first diaphragm 322, first light filter 323, first convergent lens 324, first diaphragm, first light filter, first convergent lens set up from bottom to top the inside of first lens hood 321, first lens hood 321 include first front cover body, first rear cover body, and first front cover body, first rear cover buckle are connected, and the middle part of first diaphragm 322 is equipped with the illumination pinhole.
The utility model discloses in the preferred embodiment, receiving component 33 includes second lens hood 331, second diaphragm 332, second light filter, second convergent lens, third convergent lens, photodiode 6, and the middle part of second diaphragm is equipped with the detection pinhole, and second diaphragm, second light filter 333, second convergent lens 334, third convergent lens 335, photodiode 6 set up the inside at the second lens hood from bottom to top.
In the preferred embodiment of the present invention, the central axes of the first light-shielding cover 321, the second light-shielding cover 331 and the trumpet-shaped detecting hole coincide, and the light source 31 is correspondingly disposed at the lower portion of the first light-shielding cover 321.
The utility model discloses in the preferred embodiment, detector body 1 includes the bottom plate, and two baffles that are parallel to each other are perpendicular with the bottom plate.
The present invention further comprises a position sensor disposed between the first light-shielding cover 321 and the cover body.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (10)
1. An optical detection system for glycated hemoglobin, comprising:
the detector comprises a detector body, wherein the detector body is of a rectangular box structure, two parallel partition plates and a plurality of screw columns are arranged inside the detector body, and the plurality of screw columns are uniformly arranged along the inner wall of the detector body;
the cover body is movably arranged on the front side surface of the detector body, a square hole is formed in the middle of the cover body, a plurality of counter bores are formed in the cover body, and the plurality of counter bores are arranged corresponding to the screw posts;
the optical detection device is arranged inside the detector body and is positioned between the two partition plates;
the sample feeding device is movably arranged in the square hole and comprises a front end plate, a sample placing plate and a driving mechanism, and the sample feeding device is matched with the square hole;
the detection card is movably arranged in the sample conveying device, and a circular through hole penetrates through the middle of the detection card.
2. The system of claim 1, wherein a test seat is movably disposed at an upper portion of the test card, the test seat is matched with the circular through hole, a trumpet-shaped test hole is movably disposed at a middle portion of the test seat, and a screw-shaped step is disposed on an inner wall of the trumpet-shaped test hole.
3. The system according to claim 1, wherein the front plate is fixedly disposed at one end of the sample-placing plate, the front plate is disposed perpendicular to the sample-placing plate, the driving mechanism is disposed at a lower portion of the sample-placing plate, and the front plate is fitted to the square hole.
4. The system of claim 2, wherein a rectangular slot is inserted into an upper portion of the sample holder, a circular hole is provided through a middle portion of the rectangular slot, the circular hole is disposed corresponding to the trumpet-shaped hole, and the rectangular slot is adapted to the test card.
5. The system of claim 1, wherein the optical detection device comprises a light source disposed at the bottom of the rectangular box and between the two partitions, a projection unit, and a receiving unit, the light source is an LED, the projection unit is disposed at the lower portion of the sample feeding device, and the receiving unit is disposed at the upper portion of the sample feeding device.
6. The system according to claim 5, wherein the projection assembly comprises a first light shield, a first diaphragm, a first optical filter, and a first focusing lens, the first diaphragm, the first optical filter, and the first focusing lens are disposed inside the first light shield from bottom to top, the first light shield comprises a first front shield body and a first rear shield body, the first front shield body and the first rear shield body are connected by a snap-fit, and an illumination pinhole is disposed in the middle of the first diaphragm.
7. The system for optically detecting glycated hemoglobin according to claim 5, wherein the receiving module comprises a second light shield, a second diaphragm, a second optical filter, a second focusing lens, a third focusing lens, and a photodiode, wherein a detection pinhole is disposed in the middle of the second diaphragm, and the second diaphragm, the second optical filter, the second focusing lens, the third focusing lens, and the photodiode are disposed inside the second light shield from bottom to top.
8. The system of claim 6, wherein the first light shield, the second light shield, and the trumpet-shaped measurement hole have their central axes coincident with each other, and the light source is disposed at a lower portion of the first light shield.
9. The system of claim 1, wherein the apparatus body includes a bottom plate, and two parallel partitions are perpendicular to the bottom plate.
10. The system according to claim 6, further comprising a position sensor disposed between the first light-shielding cover and the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106989.5U CN212008274U (en) | 2019-11-29 | 2019-11-29 | Optical detection system of glycosylated hemoglobin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922106989.5U CN212008274U (en) | 2019-11-29 | 2019-11-29 | Optical detection system of glycosylated hemoglobin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212008274U true CN212008274U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922106989.5U Active CN212008274U (en) | 2019-11-29 | 2019-11-29 | Optical detection system of glycosylated hemoglobin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212008274U (en) |
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- 2019-11-29 CN CN201922106989.5U patent/CN212008274U/en active Active
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Effective date of registration: 20210902 Granted publication date: 20201124 |