A multi-angle scattered light optical detection device
By incorporating multi-angle photosensitive sensors into the optical detection device, the sensitivity and accuracy issues caused by single-angle detection are resolved, resulting in more efficient detection.
Patent Information
- Application Number
- CN202422979428.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In existing technologies, the detection of scattered light from a single angle limits the detection items and sensitivity, making it impossible to obtain accurate detection results.
A multi-angle scattering optical detection device is adopted, which uses three photosensitive sensors at different angles to receive scattered light. These include the first, second, and third photosensitive sensors, which are located at 29-31°, 16-18°, and the same plane, respectively, to receive scattered light from different angles.
This improves the sensitivity and accuracy of the detection, making the test results more reliable and precise.
Smart Images
Figure CN223597509U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to optical immunodetection technical field, especially a kind of multi-angle scattering optical detection device. BACKGROUND
[0002] Human blood, body fluid and tissue and other samples have abundant information, and the relevant indicators in them can be detected to understand the disease or body condition of human body, and this means is called "in vitro diagnosis".Immune diagnosis occupies an important position in in vitro diagnosis, and chemiluminescence immunoassay is one of the mainstream technologies of immune diagnosis, based on the specific binding principle of antibody antigen, chemiluminescence immunoassay has good specificity and sensitivity, and is continuously popularized and applied in clinical detection.
[0003] In the prior art, single angle is usually used for scattered light detection, which limits the detection items and sensitivity, and cannot obtain accurate results. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of multi-angle scattering optical detection device, solve the detection of single angle in the above technical background, the problem that project detection and sensitivity are limited to a certain extent, make detection result more accurate.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A kind of multi-angle scattering optical detection device, comprising:
[0007] Light source support is provided with mounting groove;
[0008] Linear light source is detachably arranged on the mounting groove of the light source support, and the linear light source is horizontally arranged to emit horizontal light beam;
[0009] Photosensitive support is provided with photosensitive sensing component, the photosensitive sensing component is arranged on one side of the light source support, and the photosensitive support and the light source support are provided with preset interval to form detection groove for placing reaction cup;
[0010] The photosensitive sensing assembly comprises a first photosensitive sensor, a second photosensitive sensor and a third photosensitive sensor, the first photosensitive sensor is coaxially arranged with the linear light source to enable the first refracted light generated by refraction of the horizontal light beam to be received by the first photosensitive sensor, the second photosensitive sensor is arranged at a first included angle with the horizontal light beam, the third photosensitive sensor is arranged at a second included angle with the horizontal light beam, the second photosensitive sensor and the third photosensitive sensor are respectively located on two sides of the first photosensitive sensor, the second photosensitive sensor is used to receive the second refracted light generated by refraction of the horizontal light beam, and the third photosensitive sensor is used to receive the third refracted light generated by refraction of the horizontal light beam, and the first refracted light, the second refracted light and the third refracted light are in the same plane.
[0011] In some embodiments, the second photosensitive sensor is located above the first photosensitive sensor, the first included angle ranges from 29 to 31°, the third photosensitive sensor is located below the second photosensitive sensor, and the second included angle ranges from 16 to 18°.
[0012] In some embodiments, the first included angle is 30°, and the second included angle is 17°.
[0013] In some embodiments, the photosensitive bracket is provided with a light shield, the light shield is provided with a first through hole, a second through hole and a third through hole, the first photosensitive sensor is arranged in the first through hole, the second photosensitive sensor is arranged in the second through hole, and the third photosensitive sensor is arranged in the third through hole, the axis of the first through hole is coaxially arranged with the horizontal light beam, the axis of the second through hole is coaxially arranged with the second refracted light, and the axis of the third through hole is coaxially arranged with the third refracted light.
[0014] In some embodiments, the light shield is further provided with a light shielding baffle, the light shielding baffle is arranged on one side of the first through hole, the light shielding baffle is provided with a linear light transmission gap, and the first refracted light, the second refracted light and the third refracted light can be received by the photosensitive sensing assembly through the linear light transmission gap.
[0015] In some embodiments, the light source bracket is provided with a first channel, the first channel is in communication with the mounting groove, and the first channel is coaxially arranged with the mounting groove.
[0016] In some embodiments, the first channel is provided with a first light barrier and a second light barrier, the first light barrier is arranged close to the linear light source, the second light barrier is arranged close to one side of the detection groove, a preset distance is arranged between the second light barrier and the first light barrier, and the first light barrier, the second light barrier and the linear light source are coaxially arranged.
[0017] In some embodiments, the light source support is provided with a C-shaped fixing block, the C-shaped fixing block is arranged in a first fixing groove matched with the linear light source, the linear light source is arranged on the first fixing groove, and the first fixing groove is coaxially arranged with the first channel.
[0018] In some embodiments, the linear light source is a laser, and the wavelength emitted by the laser is 675 nm.
[0019] In some embodiments, the light-sensitive support and the light source support are integrally arranged.
[0020] Compared with the prior art, the present application has the beneficial effects that:
[0021] The present application can collect scattered light of different angles in the reaction cup of the same measured object by arranging the first, second and third light-sensitive sensors of different angles, more effectively provides the detection sensitivity of the corresponding project, and makes the structure of the detected project more reliable, accurate and effective.
[0022] The additional aspects and advantages of the present application will be partially given in the following description, which will become apparent from the following description or be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 FIG. 1 is a first perspective view of a multi-angle scattered light optical detection device according to the present application;
[0024] Figure 2 FIG. 2 is a sectional view of the multi-angle scattered light optical detection device in FIG. 1; Figure 1
[0025] Figure 3 FIG. 3 is a second perspective view of a multi-angle scattered light optical detection device according to the present application;
[0026] Figure 4 FIG. 4 is a sectional view of a light source support of the multi-angle scattered light optical detection device according to the present application;
[0027] Figure 5 FIG. 5 is an exploded view of a multi-angle scattered light optical detection device according to the present application;
[0028] Figure 6 FIG. 6 is a detection schematic view of a multi-angle scattered light optical detection device according to the present application. DETAILED DESCRIPTION
[0029] The application will be described in further detail below with reference to the accompanying drawings. In the description of the embodiments, unless otherwise specified, the terms "left", "right", and the like indicate the positional or locational relationship shown in the drawings, and are only for the purpose of facilitating the description of the application and simplifying the description, and do not indicate or imply that the application must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.
[0030] As Figures 1-2 shown, the multi-angle scattered light optical detection device provided by the utility model mainly comprises a light source support 100, which is provided with a mounting groove 105, a linear light source 200, which is arranged on the mounting groove 105 of the light source support 100, and the shape of the linear light source 200 is matched with the shape of the mounting groove 105, and in the embodiment, the linear light source 200 is in a cylindrical structure, wherein the linear light source 200 is horizontally arranged in the mounting groove 105 and can emit a horizontal light beam 201; a photosensitive support 102 is arranged on one side of the light source support 100, a photosensitive sensing assembly is arranged on the photosensitive support 102, and a preset distance is arranged between the photosensitive support 102 and the light source support 100, so as to form a detection groove 103 for placing and detecting a reaction cup 400.
[0031] Specifically, the photosensitive sensing assembly comprises a first photosensitive sensor 301, a second photosensitive sensor 302 and a third photosensitive sensor 303, the first photosensitive sensor 301 is coaxially arranged with the linear light source 200, so that the first refracted light 2011 refracted by the horizontal light beam 201 can be accepted by the first photosensitive sensor 301, and in the embodiment, as Figure 6 shown, the first refracted light 2011 is coaxial with the horizontal light beam 201; a second included angle 206 is arranged between the second photosensitive sensor 302 and the horizontal light beam 201, a third included angle 207 is arranged between the third photosensitive sensor 303 and the horizontal light beam 201, the second photosensitive sensor 302 and the third photosensitive sensor 303 are respectively located on two sides of the horizontal light beam 201, and in the embodiment, the second photosensitive sensor 302 is located above the horizontal light beam 201, and the third photosensitive sensor 303 is located below the horizontal light beam 201; the second photosensitive sensor 302 is used for receiving the second refracted light 2012 refracted by the horizontal light beam 201, and the third photosensitive sensor 303 is used for receiving the third refracted light 2013 refracted by the horizontal light beam 201, and the first photosensitive sensor 301, the second photosensitive sensor 302 and the third photosensitive sensor 303 are located in the same plane, so as to be capable of receiving the first refracted light 2011, the second refracted light 2012 and the third refracted light 2013 located in the same plane, then outputting digital signals through an AD digital-analog conversion module, and then completing data collection of each scattered optical angle measuring object to obtain quantitative data of corresponding detection items.
[0032] This application, by setting three photosensors 301, 302, and 303 at different angles, can collect scattered light from different angles in the reaction cup 400 of the same analyte, thereby more effectively improving the detection sensitivity of the corresponding item and making the structure of the detected item more reliable, accurate, and effective.
[0033] In one embodiment, the first included angle 206 ranges from 29 to 31 degrees, and the second included angle 207 ranges from 16 to 18 degrees. Further, as shown in the figure, the first included angle 206 is 30 degrees, and the second included angle 207 is 17 degrees.
[0034] In one embodiment, such as Figure 4 As shown, a light shield is provided on the photosensitive bracket 102. The light shield has a first through hole 1021, a second through hole 1022, and a third through hole 1023. The first photosensitive sensor 301 is detachably installed in the first through hole 1021, the second photosensitive sensor 302 is detachably installed in the second through hole 302, and the third photosensitive sensor 303 is detachably installed in the third through hole 1023. The axis of the first through hole 1021 is coaxial with the horizontal beam 201, the axis of the second through hole 1022 is coaxial with the second refracted ray 2012, and the axis of the third through hole 1023 is coaxial with the third refracted ray 2013, thereby ensuring that the first refracted ray 2011, the second refracted ray 2012, and the third refracted ray 2013 can be received by the corresponding photosensitive sensors. In this embodiment, a hollow structure is provided on the side of the photosensitive bracket 102 near the light source bracket 100 to form a light shield, thereby shielding the photosensitive ends of the three photosensitive sensors from stray light.
[0035] Specifically, such as Figure 5 As shown, a first fixing plate 3011 is provided on the first photosensitive sensor 301, a second fixing plate 3021 is provided on the second photosensitive sensor 302, and a third fixing plate 3031 is provided on the third photosensitive sensor 303. The first fixing plate 3011 blocks light from one side of the first through hole 1021, the second fixing plate 3032 blocks light from one side of the second through hole 1022, and the third fixing plate 3031 blocks light from one side of the third through hole 1023.
[0036] In one embodiment, such as Figure 5As shown, in order to facilitate assembly, the light shield further has a light shielding baffle 1024, which further shields light for the light shield. The light shielding baffle 1024 is provided with a linear light passing gap 10241, and the first refracted light 1021, the second refracted light 1022 and the third refracted light 1023 can just pass through the linear light passing gap 10241, thereby avoiding the influence of other stray light on the photosensitive sensor. In the embodiment, the size of the linear light passing gap 10241 just meets the passing of the three refracted lights, thereby minimizing the influence of other stray light and making the detection result more accurate.
[0037] In one embodiment, the first channel 104 is arranged on the light source support 100, the first channel 104 is communicated with the mounting groove 105, and one end of the first channel 104 penetrates to the detection groove 103. The first channel 104 and the mounting groove 105 are coaxially arranged.
[0038] Further, the first light barrier 204 and the second light barrier 205 are arranged in the first channel 104. The first light barrier 204 is arranged close to the linear light source 200, and the second light barrier 205 is arranged close to one side of the detection groove 103. A preset distance is arranged between the first light barrier 204 and the second light barrier 205, and the first light barrier 204, the second light barrier 205 and the linear light source 200 are coaxially arranged. By arranging the first light barrier 204 and the second light barrier 205, the concentration of the light beam is improved, and scattering of the light beam after a distance is avoided.
[0039] In one embodiment, the C-shaped fixing block 101 is arranged on the light source support 100, the first fixing groove is arranged on the C-shaped fixing block 101, the size of the first fixing groove is matched with the shape of the linear light source 200, and the first fixing groove is coaxially arranged with the mounting groove 105 and the first channel 104, so that the linear light source 200 is easy to disassemble and maintain, has good coaxiality, and does not need to be repeatedly calibrated. In order to facilitate locking and fixing, in the embodiment, the first locking screw is arranged at the opening of the C-shaped fixing block 101, and the disassembly and fixing of the linear light source 200 are realized by rotating the first locking screw.
[0040] In one embodiment, according to the detection requirement matching, the linear light source 200 is a laser, and the emission wavelength of the laser is 675 nm.
[0041] In one embodiment, in order to ensure the coaxiality of the first through hole 1021 and the first channel 104, the photosensitive support 102 and the light source support 100 are arranged integrally.
[0042] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made. These improvements and refinements should also be considered as the protection scope of the present application.
Claims
1. A multi-angle scattering optical detection device, characterized in that, include: The light source bracket is equipped with a mounting slot; A linear light source is detachably mounted on the mounting slot of the light source bracket. The linear light source is horizontally positioned so that it emits a horizontal beam of light. A photosensitive support is provided on which a photosensitive sensing component is provided. The photosensitive sensing component is disposed on one side of the light source support. A preset distance is provided between the photosensitive support and the light source support to form a detection groove for placing the reaction cup. The photosensor component includes a first photosensor, a second photosensor, and a third photosensor. The first photosensor is coaxially arranged with the linear light source so that the first refracted ray generated by the refraction of the horizontal light beam can be received by the first photosensor. The second photosensor and the horizontal light beam are provided with a first angle, and the third photosensor and the horizontal light beam are provided with a second angle. The second photosensor and the third photosensor are respectively located on both sides of the first photosensor. The second photosensor is used to receive the second refracted ray generated by the refraction of the horizontal light beam, and the third photosensor is used to receive the third refracted ray generated by the refraction of the horizontal light beam. The first refracted ray, the second refracted ray, and the third refracted ray are in the same plane.
2. The multi-angle scattered light optical detection device according to claim 1, wherein, The second photosensitive sensor is located above the first photosensitive sensor, with the first included angle ranging from 29 to 31°, and the third photosensitive sensor is located below the second photosensitive sensor, with the second included angle ranging from 16 to 18°.
3. The multi-angle scatter optical detection device according to claim 2, wherein, The first included angle is 30° and the second included angle is 17°.
4. The multi-angle scatter optical detection device according to claim 1, wherein, The photosensitive bracket is provided with a light shield, which has a first through hole, a second through hole, and a third through hole. The first photosensitive sensor is disposed in the first through hole, the second photosensitive sensor is disposed in the second through hole, and the third photosensitive sensor is disposed in the third through hole. The axis of the first through hole is coaxial with the horizontal light beam, the axis of the second through hole is coaxial with the second refracted light beam, and the axis of the third through hole is coaxial with the third refracted light beam.
5. The multi-angle scatter optical detection device according to claim 4, wherein, The light shield is also provided with a light shielding baffle, which is located on one side of the first through hole. The light shielding baffle is provided with a straight light-transmitting slit, through which the first refracted light, the second refracted light and the third refracted light can be received by the photosensitive component.
6. The multi-angle scatter optical detection device according to claim 1, wherein, The light source bracket is provided with a first channel, which is connected to the mounting slot and is coaxially arranged with the mounting slot.
7. The multi-angle scatter optical detection device according to claim 6, wherein, The first channel is provided with a first aperture and a second aperture. The first aperture is set close to the linear light source, and the second aperture is set close to the detection slot. A preset distance is provided between the second aperture and the first aperture. The first aperture, the second aperture and the linear light source are coaxially arranged.
8. The multi-angle scatter optical detection device according to claim 6, wherein, The light source support is provided with a C-shaped fixing block, the C-shaped fixing block is arranged in a first fixing groove matched with the linear light source, the linear light source is arranged on the first fixing groove, and the first fixing groove is coaxially arranged with the first channel.
9. The multi-angle scatter optical detection device according to claim 1, wherein, The linear light source is a laser, and the wavelength emitted by the laser is 675 nm.
10. The multi-angle scatter optical detection device according to claim 1, wherein, The light-sensitive support and the light source support are integrally arranged.