CN212904492U - Linked photometric device - Google Patents
Linked photometric device Download PDFInfo
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- CN212904492U CN212904492U CN202022384841.0U CN202022384841U CN212904492U CN 212904492 U CN212904492 U CN 212904492U CN 202022384841 U CN202022384841 U CN 202022384841U CN 212904492 U CN212904492 U CN 212904492U
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Abstract
The utility model discloses a linkage light measuring device, which is used for carrying out online detection on a sample placed in a single-row linear conveying mechanism, and comprises a light measuring element; the power mechanism is arranged below the photometric element and is provided with a first output end and a second output end which rotate synchronously; the light measuring plate is connected with the first output end of the power mechanism, is arranged between the light measuring element and the sample, and is provided with light holes and light filtering holes which are arranged at intervals; the light shielding piece is used for separating the sample to be detected and the adjacent sample and is provided with a connecting end; the input end of the reciprocating lifting assembly is connected with the second output end of the power mechanism, and the output end of the reciprocating lifting assembly is connected with the connecting end of the shading piece; when the light hole or the light filtering hole corresponds to the photometric element, the light shielding piece is positioned between the sample to be measured and the adjacent sample. The utility model discloses the structure is ingenious, convenient to use, and is energy-conserving high-efficient, can realize the on-line measuring of sample to avoid adjacent sample to the interference of testing result, improved detection efficiency and detection accuracy.
Description
Technical Field
The utility model belongs to the technical field of external diagnostic equipment technique and specifically relates to a linkage light measuring device is related to.
Background
In the field of in vitro diagnostic equipment, full-automatic chemiluminescence immune analysis systems, biochemical analyzers, laboratory flow lines, nucleic acids and the like all relate to photometric mechanisms. Photometry is a method in which a blood sample mixed with a magnetic microparticle luminescent reagent is placed in a cuvette, and the amount of luminescence of the sample is read by a photometric element, thereby obtaining the content of a blood component. In the process of photometry, the luminous value of the reaction cup may exceed the upper limit of the photometry, so a 1% optical filter is needed to be added, and the original luminous value is compared with the filtered value to ensure the accuracy of the result. In order to meet the measuring process, the conventional light measuring device needs to sequentially place the same reaction cup into two measuring positions through the hand grip, so that the whole structure of the device is complex, the size is large, and the light energy utilization rate is low.
Disclosure of Invention
In order to solve the above problem, the utility model provides a linkage light measuring device specifically can take following technical scheme:
linkage photometric device for carry out on-line measuring to the sample of placing in single-row linear transport mechanism, photometric device includes
A light measuring element;
the power mechanism is arranged below the photometric element and is provided with a first output end and a second output end which rotate synchronously;
the light measuring plate is connected with the first output end of the power mechanism, is arranged between the light measuring element and the sample, and is provided with light holes and light filtering holes which are arranged at intervals;
the light shielding piece is used for separating the sample to be detected and the adjacent sample and is provided with a connecting end;
the input end of the reciprocating lifting assembly is connected with the second output end of the power mechanism, and the output end of the reciprocating lifting assembly is connected with the connecting end of the shading piece;
when the light hole or the light filtering hole corresponds to the photometric element, the light shielding piece is positioned between the sample to be measured and the adjacent sample.
The power mechanism comprises
The rotating shaft is arranged perpendicular to the light measuring plate, one end of the rotating shaft, which is connected with the light measuring plate, is the first output end, and the other end of the rotating shaft is provided with a first synchronous belt wheel;
the double-shaft rotating motor is arranged below the rotating shaft in parallel and is provided with a first motor shaft and a second motor shaft, the first motor shaft is the second output end, and a second synchronous belt wheel is arranged on the second motor shaft;
and the synchronous belt is used for connecting the first synchronous belt wheel and the second synchronous belt wheel.
The light holes and the light filtering holes are arranged at equal intervals along the rotation center of the light measuring plate.
The reciprocating lifting component comprises
A cam coupled to the first motor shaft;
the lifting block is arranged above the cam, the top of the lifting block is connected with the connecting end of the shading piece, and the bottom of the lifting block is in contact with the cam;
the guide piece comprises a vertical guide column used for penetrating the lifting block;
when the double-shaft rotating motor drives the cam to rotate, the lifting block is lifted periodically along the guide post.
The lifting block is rectangular, and the bottom of the lifting block is provided with a smooth bump which is in contact with the cam.
The guide piece further comprises an upper fixing block and a lower fixing block which are used for fixing the vertical guide column.
The upper fixing block, the lower fixing block and the double-shaft rotating motor are all arranged on the substrate.
The shading piece is a pair of shading plates arranged in parallel, and the bottoms of the shading plates are connected with the tops of the lifting blocks.
The utility model provides a linkage photometric device, the structure is ingenious, convenient to use, and is energy-conserving high-efficient, and it drives when through single motor to surveying worn-out fur and anti-dazzling screen, makes the sample that awaits measuring can normally survey the light and filter the testing process who surveys the light at same station in proper order, has realized the on-line measuring of sample to avoid adjacent sample to the interference of testing result, improved detection efficiency and detection accuracy.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of fig. 1 (omitting the single-row linear transport mechanism and the specimen).
Fig. 3 is a longitudinal sectional view of fig. 2.
Fig. 4 is a schematic view showing a state in which the light shielding plate of fig. 2 is raised.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-4, linkage photometric device for sample N to placing in single-row linear transport mechanism M carries out on-line measuring, photometric device comprises photometry component 1, power unit, survey worn-out fur, light-shielding piece and reciprocal lifting unit.
Specifically, the photometric element 1 and the sample N are located on two sides of the substrate K, and in this embodiment, the photometric element 1 is a photomultiplier tube, which is an electronic component capable of reading the light emission value and converting the value into a digital signal.
The power mechanism is positioned below the photometric element 1 and comprises a rotating shaft 2.1 vertically penetrating through the substrate K, one end of the rotating shaft 2.1 penetrating through the substrate K is a first output end of the power mechanism, and a first synchronous belt pulley 2.2 is arranged at the other end of the rotating shaft; the double-shaft rotating motor 2.3 is arranged below the rotating shaft 2.1 in parallel, the double-shaft rotating motor 2.3 is arranged on the base plate K and is provided with a first motor shaft 2.4 (namely a second output end) vertically penetrating through the base plate K and a second motor shaft 2.5 positioned at the other end, and a second synchronous belt wheel 2.6 is arranged on the second motor shaft 2.5; the first synchronous pulley 2.2 and the second synchronous pulley 2.6 are connected by a synchronous belt 2.7, so that the rotating shaft 2.1 and the first motor shaft 2.4 rotate synchronously.
The light measuring plate 3.1 is positioned between the substrate K and the sample N, is a circular plate arranged at the first output end of the rotating shaft 2.1, and is provided with one or more groups of light holes 3.2 and light filtering holes 3.3 which are distributed in a staggered manner. In order to correspond to the photometric element 1, the above-mentioned light transmission holes 3.2 and filter holes 3.3 are arranged at equal intervals along the rotation center of the photometric plate, and the adjacent hole pitch is set according to the operation speed of the biaxial rotation motor 2.3 and the sample N.
Reciprocating lifting unit includes the cam 4.1 that links to each other with first motor shaft 2.4 to and install last fixed block 4.2 and lower fixed block 4.3 on base plate K, go up and install a pair of vertical guide post 4.4 on fixed block 4.2 and the lower fixed block 4.3, wear to be equipped with rectangle elevator 4.5 on the vertical guide post 4.4. A pair of parallel light shielding plates 5 are installed at the top of the rectangular lifting block 4.5 as a light shielding piece (the bottom of the rectangular lifting block is a connecting end), and a smooth bump which is contacted with the cam 4.1 is arranged at the bottom of the rectangular lifting block 4.5.
When the double-shaft rotating motor 2.3 drives the cam 4.1 to rotate, the rectangular lifting block 4.5 can be lifted periodically along the vertical guide post 4.4, and the shading plate 5 on the rectangular lifting block is lifted along with the lifting. When the light hole 3.2 or the light filtering hole 3.3 corresponds to the photometric element 1, the two light shielding plates 5 are respectively positioned at two sides of the sample to be detected, so that the sample to be detected and the adjacent sample are separated, and the interference of the adjacent sample on the detection result is avoided.
It should be noted that in the description of the present invention, terms of orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (8)
1. The utility model provides a linkage photometric device for carry out on-line measuring to the sample of placing in single-row linear transport mechanism which characterized in that: the light measuring device comprises
A light measuring element;
the power mechanism is arranged below the photometric element and is provided with a first output end and a second output end which rotate synchronously;
the light measuring plate is connected with the first output end of the power mechanism, is arranged between the light measuring element and the sample, and is provided with light holes and light filtering holes which are arranged at intervals;
the light shielding piece is used for separating the sample to be detected and the adjacent sample and is provided with a connecting end;
the input end of the reciprocating lifting assembly is connected with the second output end of the power mechanism, and the output end of the reciprocating lifting assembly is connected with the connecting end of the shading piece;
when the light hole or the light filtering hole corresponds to the photometric element, the light shielding piece is positioned between the sample to be measured and the adjacent sample.
2. The linked photometry device of claim 1, wherein: the power mechanism comprises
The rotating shaft is arranged perpendicular to the light measuring plate, one end of the rotating shaft, which is connected with the light measuring plate, is the first output end, and the other end of the rotating shaft is provided with a first synchronous belt wheel;
the double-shaft rotating motor is arranged below the rotating shaft in parallel and is provided with a first motor shaft and a second motor shaft, the first motor shaft is the second output end, and a second synchronous belt wheel is arranged on the second motor shaft;
and the synchronous belt is used for connecting the first synchronous belt wheel and the second synchronous belt wheel.
3. The linked photometry device of claim 2, wherein: the light holes and the light filtering holes are arranged at equal intervals along the rotation center of the light measuring plate.
4. The linked photometry device of claim 2, wherein: the reciprocating lifting component comprises
A cam coupled to the first motor shaft;
the lifting block is arranged above the cam, the top of the lifting block is connected with the connecting end of the shading piece, and the bottom of the lifting block is in contact with the cam;
the guide piece comprises a vertical guide column used for penetrating the lifting block;
when the double-shaft rotating motor drives the cam to rotate, the lifting block is lifted periodically along the guide post.
5. The linked photometry device of claim 4, wherein: the lifting block is rectangular, and the bottom of the lifting block is provided with a smooth bump which is in contact with the cam.
6. The linked photometry device of claim 4, wherein: the guide piece further comprises an upper fixing block and a lower fixing block which are used for fixing the vertical guide column.
7. The linked photometry device of claim 6, wherein: the upper fixing block, the lower fixing block and the double-shaft rotating motor are all arranged on the substrate.
8. The linked photometry device of claim 4, wherein: the shading piece is a pair of shading plates arranged in parallel, and the bottoms of the shading plates are connected with the tops of the lifting blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384841.0U CN212904492U (en) | 2020-10-23 | 2020-10-23 | Linked photometric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384841.0U CN212904492U (en) | 2020-10-23 | 2020-10-23 | Linked photometric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212904492U true CN212904492U (en) | 2021-04-06 |
Family
ID=75261153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022384841.0U Active CN212904492U (en) | 2020-10-23 | 2020-10-23 | Linked photometric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212904492U (en) |
-
2020
- 2020-10-23 CN CN202022384841.0U patent/CN212904492U/en active Active
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