CN220552869U - Initial position structure of reagent dish - Google Patents
Initial position structure of reagent dish Download PDFInfo
- Publication number
- CN220552869U CN220552869U CN202321959221.2U CN202321959221U CN220552869U CN 220552869 U CN220552869 U CN 220552869U CN 202321959221 U CN202321959221 U CN 202321959221U CN 220552869 U CN220552869 U CN 220552869U
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- reagent disk
- light
- sensor
- strips
- reflected
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- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 69
- 230000037452 priming Effects 0.000 claims 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model relates to a reagent disk initial position structure, which comprises a rotatable reagent disk and three reflective strips arranged on the reagent disk, wherein the reflective strips are arranged on the reagent disk; the light reflecting strips are close to the edges of the reagent disk; the three light reflecting strips are arranged at intervals along the lower surface of the reagent disk; the three reflecting strips are positioned on the same concentric circle of the reagent disk; the device also comprises a photosensitive sensor and a light source; light rays emitted by the light source are received by the light sensing sensor after being reflected by the light reflecting strips; the controller is in signal connection with the photosensitive sensor; the reflecting strips are provided with cambered surfaces; the light emitted by the light source is amplified by the cambered surface and then reflected to the light sensing sensor; the utility model has the beneficial effect that the initial position of the reagent disk can be accurately determined.
Description
Technical Field
The utility model relates to the technical field of reagent disk positioning, in particular to a reagent disk initial position structure.
Background
When a circular reagent disk is adopted to detect the reagent, the initial position of the reagent disk is generally needed, so that accurate metering is convenient, at present, when the rotating disk stops rotating, the scribing line on the reagent disk is checked again, the angle between the scribing line and the reference position is judged, and the amount of the deviation of the reagent disk from the initial position is judged, so that manual processing is needed, and the operation is very complicated; or a notch is formed on the disc, the sensor is used for judging the position of the notch, the notch is used as an initial position, the mode of forming the notch on the disc influences the attractiveness of the disc, and when the disc rotates at a high speed, the notch position easily forms pressure difference, so that the conditions of unstable operation, high noise and the like of the disc are caused, and the test is influenced.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a reagent disk initial position structure which can accurately determine the initial position.
In order to solve the problems, the utility model adopts the following technical scheme:
the initial position structure of the reagent disk comprises a rotatable reagent disk and three reflective strips arranged on the reagent disk; the light reflecting strips are close to the edges of the reagent disk; the three light reflecting strips are arranged at intervals along the lower surface of the reagent disk.
Further, the three reflective strips are positioned on the same concentric circle of the reagent disk.
Further, the device also comprises a photosensitive sensor and a light source; light emitted by the light source is received by the light-sensitive sensor after being reflected by the light-reflecting strip.
Further, the device also comprises a controller in signal connection with the photosensitive sensor.
Further, the reflecting strips are provided with cambered surfaces; the light emitted by the light source is amplified by the cambered surface and then reflected to the light sensor.
Further, the reflective strip is high at one end and low at the other end; one end of the reflecting strip, which is high, is far away from the circle center of the reagent disk.
Further, the length direction of the reflecting strips is positioned on the central line of the reagent disk.
The beneficial effects of the utility model are as follows:
the circular light spots of the light source are amplified into a line through the cambered surface of the reflecting strip, and the length of the reflected light can cover the receiving range of the whole light sensor; so that even if the reagent disk is deformed or slightly uneven, the reflected light can be reflected onto the light sensor; the sensor can judge the rotating position of the reagent disk, so that the problem that light spots generated by plane reflection are too small to be reflected to the sensor is avoided; therefore, the initial position of the reagent disk can be found out in a reflection mode to be completely operated in the outer space of the reagent disk, the problem that the scale is required to be arranged on the reagent disk is avoided, the space of the reagent disk is completely released, other operations can be performed, and the instrument structure is more compact.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view at A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 2;
fig. 4 is a schematic diagram of the present utility model.
The reference numerals in the figures illustrate:
1-reagent disk, 2-reflection strip, 3-light sensor, 4-light source, 21-cambered surface.
Detailed Description
The drawings in the embodiments of the present utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; the described embodiments are only a few embodiments of the present utility model; but not all embodiments, are based on embodiments in the present utility model; all other embodiments obtained by those of ordinary skill in the art without undue burden; all falling within the scope of the present utility model.
Example 1
As shown in figures 1-4 of the drawings,
the initial position structure of the reagent disk comprises a rotatable reagent disk 1 and three reflective strips 2 arranged on the reagent disk 1; the light reflecting strips 2 are close to the edge of the reagent disk 1; three light reflecting strips 2 are arranged at intervals along the lower surface of the reagent disk 1. The spacing angles of the three reflective strips 2 are not equal; the detailed structure is that the spacing angle between the first light reflecting strip 2 and the second light reflecting strip 2 is 40 degrees, the spacing angle between the second light reflecting strip 2 and the third light reflecting strip 3 is 80 degrees, and the spacing angle between the third light reflecting strip 3 and the first light reflecting strip 2 is 240 degrees; due to the different spacing angles, the zero position, i.e. the starting position, of the reagent disk 1 can be determined;
three of the light-reflecting strips 2 are located on the same concentric circle of the reagent disk 1.
The light source device also comprises a light sensing sensor 3 and a light source 4; the light emitted by the light source 4 is reflected by the reflective strip 2 and then received by the photosensitive sensor 3.
And the controller is in signal connection with the photosensitive sensor 3.
A photosensitive sensor generally refers to a device capable of sensing light energy from ultraviolet light to infrared light sharply and converting the light energy into an electrical signal;
the light sensor is a sensing device and mainly comprises photosensitive elements, and is mainly divided into four types of ambient light sensors, infrared light sensors, sun light sensors and ultraviolet light sensors, and is mainly applied to the fields of vehicle body electronic application changing, intelligent lighting systems and the like. Modern electrical measurement technology is mature, and has been widely used in measurement of electric quantity and non-electric quantity due to the advantages of high precision, convenient microcomputer connection, automatic real-time processing and the like. However, the electrical measurement method is easy to be interfered, the frequency response is not wide enough and certain requirements are made on voltage resistance and insulation during the alternating current measurement, and the problems can be solved in the present day of rapid development of laser technology;
the reflecting strips 2 are provided with cambered surfaces 21; the light emitted by the light source 4 is directed to the cambered surface 21, amplified by the cambered surface 21 and reflected to the light sensing sensor 3.
The cambered surface 21 has the function of condensing light, so that reflected light can be received more accurately.
The reflective strip 2 is high at one end and low at the other end; the high end of the reflecting strip 2 is far away from the center of the circle of the reagent disk 1.
In the course of the operation of the present utility model,
the reagent disk 1 rotates, the reflective strips 2 rotate along with the rotation, when the first reflective strip 2 passes near the light source 4, reflected light is transmitted to the sensor 3, the sensor 3 transmits a signal to the controller, and when the second reflective strip 2 passes through the light source 4, the sensor 3 receives the reflected light; when the third reflective strip 2 passes through the light source 4, the sensor 3 reflects the light again and transmits the light to the controller; the controller judges and identifies the three reflective strips 2;
identifying the corresponding positions on the reagent disk 1 according to the time sequence of the three light reflecting strips 2, and further judging the positions of the reagent disk 1;
any two angles of the three reflective strips 2 are different; the position of the reagent disk 1 can be judged as long as two of them are recognized; the whole reagent disk can not find the initial position due to external interference or damage of a certain reflecting point, so that the fault tolerance is improved;
the circular light spots of the light source are amplified into a line through the cambered surface of the reflecting strip, and the length of the reflected light can cover the receiving range of the whole light sensor 3; so that even if the reagent disk is deformed or slightly uneven, the reflected light can be reflected onto the light sensor; the sensor can judge the rotating position of the reagent disk, so that the problem that light spots generated by plane reflection are too small to be reflected to the sensor is avoided; therefore, the initial position of the reagent disk can be found out in a reflection mode to be completely operated in the outer space of the reagent disk, the problem that the scale is required to be arranged on the reagent disk is avoided, the space of the reagent disk is completely released, other operations can be performed, and the instrument structure is more compact.
Example 2
This embodiment is substantially identical in structure to embodiment 1,
the difference is that,
the length direction of the reflecting strips 2 is positioned on the central line of the reagent disk 1.
This arrangement avoids the problem that the reflective strips 2 are not positioned uniformly, which would result in the sensor 3 not being able to receive light.
Example 3
This embodiment is substantially identical in structure to embodiment 1,
the difference is that,
the reagent disk 1 is provided with a reagent test pool, so that the detection is convenient.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The reagent disk initial position structure comprises a rotatable reagent disk (1) and is characterized by further comprising three reflective strips (2) arranged on the reagent disk (1); the reflective strip (2) is close to the edge of the reagent disk (1); three light reflecting strips (2) are arranged at intervals along the lower surface of the reagent disk (1).
2. A reagent disk priming structure according to claim 1, wherein: three light reflecting strips (2) are positioned on the same concentric circle of the reagent disk (1).
3. A reagent disk initialization bit structure according to claim 2, further comprising a light sensor (3) and a light source (4); light emitted by the light source (4) is reflected by the reflective strip (2) and then received by the light sensor (3).
4. A reagent disk priming structure according to claim 3, further comprising a controller in signal connection with said light sensor (3).
5. A reagent disk priming structure according to claim 4, wherein: the reflective strip (2) is provided with an arc surface (21); the light emitted by the light source (4) is reflected to the cambered surface (21) after being amplified by the cambered surface (21) and then reflected to the light-sensing sensor (3).
6. A reagent disk priming structure according to claim 1, wherein: the reflective strip (2) is high at one end and low at the other end; one high end of the reflecting strip (2) is far away from the center of the reagent disk (1).
7. A reagent disk priming structure according to claim 6, wherein: the length direction of the reflecting strip (2) is positioned on the central line of the reagent disk (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959221.2U CN220552869U (en) | 2023-07-25 | 2023-07-25 | Initial position structure of reagent dish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959221.2U CN220552869U (en) | 2023-07-25 | 2023-07-25 | Initial position structure of reagent dish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220552869U true CN220552869U (en) | 2024-03-01 |
Family
ID=90009989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321959221.2U Active CN220552869U (en) | 2023-07-25 | 2023-07-25 | Initial position structure of reagent dish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220552869U (en) |
-
2023
- 2023-07-25 CN CN202321959221.2U patent/CN220552869U/en active Active
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