CN213239940U - Photoelectric device of blood fat analyzer - Google Patents
Photoelectric device of blood fat analyzer Download PDFInfo
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- CN213239940U CN213239940U CN202022272291.3U CN202022272291U CN213239940U CN 213239940 U CN213239940 U CN 213239940U CN 202022272291 U CN202022272291 U CN 202022272291U CN 213239940 U CN213239940 U CN 213239940U
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Abstract
The utility model provides a blood lipid analyzer's photoelectric device, wherein photoelectric device includes: the lower layer assembly, middle level assembly and upper assembly, the last first logical unthreaded hole that constructs of fixed bolster, main printed circuit board and the transmitting light source that sets up on it have in the lower layer assembly, sub-printed circuit board and the ambient light receiving arrangement who sets up on it have in the middle level assembly, main printed circuit board and sub-printed circuit board are connected respectively in the both sides of first logical unthreaded hole, and transmitting light source and ambient light receiving arrangement correspond first logical unthreaded hole setting, ambient light receiving arrangement is used for receiving the transmitting light source before opening and after opening the ambient light intensity in the blood fat analysis appearance. The utility model discloses set up ambient light receiving arrangement, can acquire corresponding ambient light source influence factor and light source aging factor to can carry out necessary correction to the detection of examination strip, operation process, thereby improve blood lipid analyzer's examination strip detection accuracy.
Description
Technical Field
The utility model belongs to the technical field of blood fat detection and analysis, concretely relates to blood fat analyzer's photoelectric device.
Background
As is well known in the prior portable blood lipid analyzer, a test strip card box with blood is inserted into the portable blood lipid analyzer, after the portable blood lipid analyzer is started, three groups of luminous sources sequentially emit light to the surface of the test strip and are sequentially reflected to a light source receiving device, and the biochemical indexes of the blood are displayed on a screen after operation; however, the photoelectric stack structure has only three sets of light sources and three sets of light receiving source devices, and does not consider the interference of ambient light when the emitting light source is not turned on, the difference change of light intensity caused by the deviation of the welding position of the optical path component, the aging of the emitting light source, the reduction of the light intensity of the light source and the light receiving source device by the optical path through hole, and the influence of dust accumulated on the surface of the light receiving source device on the measurement accuracy.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the present invention is to provide a blood lipid analyzer's photoelectric device and detection method, which has set up the ambient light receiving device, can obtain the corresponding ambient light source influence factor and light source aging factor through the light intensity change of the real-time ambient light, thereby can carry out necessary correction to the detection of examination strip, operation process, thereby improving the examination strip detection accuracy of blood lipid analyzer, and prolonging the service life of blood lipid analyzer.
In order to solve the above problem, the utility model provides a blood lipid analyzer's photoelectric device, include: the blood lipid analyzer comprises a lower layer assembly, a middle layer assembly and an upper layer assembly which are sequentially stacked on a fixed support, wherein a first light through hole is constructed on the fixed support, a main printed circuit board and an emission light source arranged on the main printed circuit board are arranged in the lower layer assembly, a sub printed circuit board and an ambient light receiving device arranged on the sub printed circuit board are arranged in the middle layer assembly, the main printed circuit board and the sub printed circuit board are respectively connected to two sides of the first light through hole, the emission light source and the ambient light receiving device correspond to the first light through hole, and the ambient light receiving device is used for receiving ambient light intensity in the blood lipid analyzer before and after the emission light source is started.
Preferably, a first elastic sealing member is clamped between the main printed circuit board and the fixing bracket, and the first elastic sealing member is arranged around the emission light source; and/or a second elastic sealing element is clamped between the sub-printed circuit board and the fixed support, and the second elastic sealing element is arranged around the ambient light receiving device.
Preferably, the sub pcb is further provided with a reflected light receiving device, the reflected light receiving device and the ambient light receiving device are respectively disposed on two opposite sides of the sub pcb, and the sub pcb is further configured with a second light passing hole, the second light passing hole penetrates through the two opposite sides of the sub pcb and is disposed corresponding to the first light passing hole to form a same light path.
Preferably, the upper assembly comprises a card box for clamping the test strip, the blood lipid analyzer further comprises a card box fixing support, the card box is connected to the card box fixing support, a third light passing hole is formed in the card box fixing support, a light filter is arranged in the third light passing hole, and the third light passing hole, the second light passing hole and the first light passing hole form a light path.
Preferably, the filtering wavelength of the optical filter is lambda, 614nm and lambda are less than or equal to 634 nm; and/or the light transmittance of the optical filter is not lower than 93%.
Preferably, a third elastic sealing member is clamped between the cartridge fixing bracket and one side of the sub printed circuit board far away from the fixing bracket.
Preferably, the emission light sources have three sets, the ambient light receiving device has three sets, and the reflected light receiving device has three sets, and one of the emission light sources and one of the ambient light receiving devices and one of the reflected light receiving devices in the three sets form a corresponding arrangement of the same optical path.
Preferably, any one of the first, second and third resilient sealing members includes a sealing base and three through-holes formed in the sealing base.
The utility model also provides a blood lipid analyzer's photoelectric device detection method, blood lipid analyzer's photoelectric device is foretell blood lipid analyzer's photoelectric device, include:
a real-time environment light intensity obtaining step of obtaining a first real-time environment light intensity Ic in the blood lipid analyzer through an environment light receiving device before the emission light source is turned on1(ii) a After the emission light source is started, acquiring a second real-time environment light intensity Ic in the blood fat analyzer through an environment light receiving device2；
A light source aging factor obtaining step, obtaining a preset environment light intensity value of the blood fat analyzer, and obtaining a first real-time environment light intensity Ic according to the preset environment light intensity value1Second real-time ambient light intensity Ic2And calculating the preset ambient light intensity value to obtain the aging factor A of the emission light sourcef；
A detection result output step of combining the aging factor AfAnd obtaining and outputting the detection result of the test strip.
Preferably, before the step of outputting the detection result, the method further comprises:
an ambient light source influence factor obtaining step of obtaining the preset background light intensity Ic of the blood fat analyzer0According to the first real-time ambient light intensity Ic1And the preset background light intensity Ic0Calculating and obtaining an environmental light source influence factor Ef;
and in the step of outputting the detection result, the detection result of the test strip is obtained and output by combining the environmental light source influence factor Ef.
The utility model provides a pair of blood fat analyzer's photoelectric device and detection method, on prior art's basis increase in the blood fat analyzer and set up ambient light receiving arrangement, it is used for before the launching light source is opened and after detect corresponding real-time environment light intensity, and then can acquire corresponding ambient light source influence factor and light source aging factor through the light intensity change that detects real-time environment light to can carry out necessary correction to the detection of examination strip, operation process, thereby improve blood fat analyzer's examination strip detection accuracy, prolonged blood fat analyzer's life.
Drawings
Fig. 1 is an exploded schematic view of a blood lipid analyzer according to an embodiment of the present invention;
fig. 2 is a schematic view (section) of the internal structure of the blood lipid analyzer according to the embodiment of the present invention;
FIG. 3 is a top view of the middle layer assembly of FIG. 2, particularly illustrating the side of the daughter printed circuit board facing the upper layer assembly;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a bottom view of the middle layer assembly of FIG. 2, particularly showing the side of the daughter printed circuit board facing the lower layer assembly;
fig. 6 is a schematic step view of a method for detecting an optoelectronic device of a blood lipid analyzer according to another embodiment of the present invention.
The reference numerals are represented as:
1. a lower layer assembly; 11. a main printed circuit board; 12. an emission light source; 2. a middle layer assembly; 21. a sub-printed circuit board; 22. an ambient light receiving device; 23. a reflected light receiving device; 24. a second light passing hole; 3. an upper layer assembly; 31. a card box; 32. testing a strip; 4. fixing a bracket; 41. a first light passing hole; 51. a first resilient seal member; 52. a second resilient seal member; 53. a third resilient seal member; 6. the card box fixing bracket; 61. and (3) a filter.
Detailed Description
Referring to fig. 1 to 6 in combination, according to an embodiment of the present invention, there is provided a blood lipid analyzer, including: the blood lipid analyzer comprises a lower layer component 1, a middle layer component 2 and an upper layer component 3 which are sequentially stacked on a fixed support 4, wherein a first light through hole 41 is formed in the fixed support 4, a main printed circuit board 11 and an emission light source 12 arranged on the main printed circuit board 11 are arranged in the lower layer component 1, a sub printed circuit board 21 and an ambient light receiving device 22 arranged on the sub printed circuit board 21 are arranged in the middle layer component 2, the main printed circuit board 11 and the sub printed circuit board 21 are respectively connected to two sides of the first light through hole 41, the emission light source 12 and the ambient light receiving device 22 are arranged corresponding to the first light through hole 41, and the ambient light receiving device 22 is used for receiving ambient light intensity in the blood lipid analyzer before and after the emission light source 12 is started. In this technical solution, on the basis of the prior art, the ambient light receiving device 22 is additionally disposed in the blood lipid analyzer, and is used for detecting corresponding real-time ambient light intensity before and after the emission light source 12 is turned on, so as to obtain corresponding ambient light source influence factors and light source aging factors by detecting light intensity changes of the real-time ambient light, thereby being capable of performing necessary corrections on detection and operation processes of test strips, thereby improving test strip detection accuracy of the blood lipid analyzer, and prolonging service life of the blood lipid analyzer.
Preferably, a first elastic sealing member 51 is interposed between the main printed circuit board 11 and the fixing bracket 4, and the first elastic sealing member 51 is disposed around the emission light source 12; and/or, a second elastic sealing member 52 is interposed between the sub-printed circuit board 21 and the fixing bracket 4, and the second elastic sealing member 52 is disposed around the ambient light receiving device 22. In this technical scheme, the first elastic sealing element 51 and the second elastic sealing element 52 are arranged to enable the corresponding emission light source 12 and the ambient light receiving device 22 to be located in a more independent and airtight space, so as to effectively prevent light sources on other light paths from interfering with the light paths, and further improve the accuracy of the detection result of the blood lipid analyzer.
Further, the sub-pcb 21 is further provided with a reflected light receiving device 23, the reflected light receiving device 23 and the ambient light receiving device 22 are respectively disposed on two opposite sides of the sub-pcb 21, the sub-pcb 21 is further configured with a second light through hole 24, and the second light through hole 24 penetrates through the two opposite sides of the sub-pcb 21 and is disposed corresponding to the first light through hole 41 to form a same light path. Furthermore, the upper assembly 3 comprises a card box 31 for clamping the test strip 32, the blood lipid analyzer further comprises a card box fixing support 6, the card box 31 is connected to the card box fixing support 6, a third light through hole is configured on the card box fixing support 6, a light filter 61 is arranged in the third light through hole, and the third light through hole forms a light path with the second light through hole 24 and the first light through hole 41. Specifically, referring to the structure shown in fig. 2, the arrows in the figure show the path of the light emitted by the emitting light source 12, specifically, the light emitted by the emitting light source 12 reaches the test strip 32 through the first light through hole 41, the second light through hole 24, the third light through hole and the optical filter 61 arranged thereon, and after being reflected by the test strip 32, the light reaches the reflected light receiving device 23 through the optical filter 61 and the third light through hole in sequence, and then the value of the reflected light chromatogram is measured, and then the detection result is obtained through the analysis and operation in the prior art, meanwhile, because the ambient light receiving device 22 is additionally arranged in the present invention, the detection result obtained through the analysis and operation can be corrected by using the measured light source aging factor and ambient light source influence factor, and therefore, the accuracy of the detection result can be improved, thereby ensuring the service life of the blood fat analyzer to be prolonged.
Preferably, the filtering wavelength of the filter 61 is λ, 614nm ≦ λ ≦ 634 nm; and/or, the light transmittance of the optical filter 61 is not lower than 93%, so that the loss caused by the fact that light rays pass through the optical filter twice can be reduced, and the detection accuracy can be further improved.
In some embodiments, a third elastic sealing member 53 is interposed between the cartridge fixing bracket 6 and a side of the sub pcb 21 away from the fixing bracket 4, and the purpose of the third elastic sealing member 53 is consistent with the purpose of the first elastic sealing member 51 and the second elastic sealing member 52, which is not described herein again.
As a specific embodiment, as shown in fig. 1 to 5, the emission light source 12 has three sets, the ambient light receiving device 22 has three sets, and the reflected light receiving device 23 has three sets, one of the emission light source 12, one of the ambient light receiving device 22 and one of the reflected light receiving device 23 of the three sets form a corresponding arrangement of the same optical path, that is, three independent and non-interfering detection optical paths are simultaneously provided in the blood lipid analyzer, so that three detections can be simultaneously performed on the same test strip, and three different sets of biochemical parameters can be detected.
In a specific embodiment, any one of the first elastic sealing member 51, the second elastic sealing member 52 and the third elastic sealing member 53 includes a sealing base and three through holes formed in the sealing base, in this embodiment, one elastic sealing member can be used to simultaneously correspond to three light passages, and there is no need to separately provide a corresponding sealing member for each light passage, so that the installation is simpler, and the first elastic sealing member 51, the second elastic sealing member 52 and the third elastic sealing member 53 can be made of, for example, rubber gaskets.
According to the embodiment of the present invention, referring to fig. 6, there is also provided a test strip detection method using the above blood lipid analyzer, including:
a real-time environment light intensity obtaining step of obtaining a first real-time environment light intensity Ic in the blood lipid analyzer through the environment light receiving device 22 before the emission light source 12 is turned on1(ii) a After the emission light source 12 is turned on, the second real-time environment Ic in the blood lipid analyzer is acquired by the ambient light receiving device 222The light intensity;
a light source aging factor obtaining step, obtaining a preset environment light intensity value of the blood fat analyzer, and obtaining a first real-time environment light intensity Ic according to the preset environment light intensity value1Second real-time ambient light intensity Ic2And calculating the preset ambient light intensity value to obtain the aging factor A of the emission light source 12f；
A detection result output step of combining the aging factor AfAnd obtaining and outputting the detection result of the test strip.
Further, before the step of outputting the detection result, the method further comprises:
an ambient light source influence factor obtaining step of obtaining the preset background light intensity Ic of the blood fat analyzer0According to the first real-time ambient light intensity Ic1And the preset backgroundLight intensity Ic0Calculating and obtaining an environmental light source influence factor Ef;
and in the step of outputting the detection result, the detection result of the test strip is obtained and output by combining the environmental light source influence factor Ef.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An optoelectronic device of a blood lipid analyzer, comprising: a lower layer component (1), a middle layer component (2) and an upper layer component (3) which are sequentially stacked on the fixed bracket (4), the fixed support (4) is provided with a first light through hole (41), the lower layer component (1) is provided with a main printed circuit board (11) and an emission light source (12) arranged on the main printed circuit board, the middle layer component (2) is provided with a sub-printed circuit board (21) and an ambient light receiving device (22) arranged on the sub-printed circuit board, the main printed circuit board (11) and the sub printed circuit board (21) are respectively connected to two sides of the first light through hole (41), and the emitting light source (12) and the ambient light receiving device (22) are arranged corresponding to the first light through hole (41), the ambient light receiving device (22) is used for receiving the ambient light intensity in the blood fat analyzer before and after the emission light source (12) is started.
2. Optoelectronic device according to claim 1, characterized in that a first elastic seal (51) is interposed between the main printed circuit board (11) and the fixed support (4), the first elastic seal (51) being arranged around the emission light source (12); and/or a second elastic sealing piece (52) is clamped between the sub-printed circuit board (21) and the fixed support (4), and the second elastic sealing piece (52) is arranged around the ambient light receiving device (22).
3. The optoelectronic device according to claim 2, wherein a reflection light receiving device (23) is further disposed on the sub-pcb (21), the reflection light receiving device (23) and the ambient light receiving device (22) are respectively disposed on two opposite sides of the sub-pcb (21), and a second light passing hole (24) is further configured on the sub-pcb (21), and the second light passing hole (24) passes through the two opposite sides of the sub-pcb (21) and is disposed corresponding to the first light passing hole (41) to form a same optical path.
4. The optoelectronic device according to claim 3, wherein the upper assembly (3) comprises a cartridge (31) for holding a test strip (32), the blood lipid analyzer further comprises a cartridge fixing support (6), the cartridge (31) is connected to the cartridge fixing support (6), a third light through hole is formed in the cartridge fixing support (6), a filter (61) is arranged in the third light through hole, and the third light through hole forms a light path with the second light through hole (24) and the first light through hole (41).
5. A photovoltaic device in accordance with claim 4, characterized in that the filter wavelength of the filter (61) is λ, 614nm ≦ λ ≦ 634 nm; and/or the light transmittance of the optical filter (61) is not lower than 93%.
6. Optoelectronic device according to claim 4, characterized in that a third elastic sealing element (53) is interposed between the cartridge holder (6) and the side of the sub-PCB (21) remote from the holder (4).
7. Optoelectronic device according to claim 6, wherein the emission light sources (12) have three sets, the ambient light receiving means (22) have three sets, and the reflected light receiving means (23) have three sets, one of the emission light sources (12) of three sets forming a corresponding arrangement of the same optical path with one of the ambient light receiving means (22) of three sets and one of the reflected light receiving means (23) of three sets.
8. Optoelectronic device according to claim 7, wherein any one of the first, second and third elastic sealing elements (51, 52, 53) comprises a sealing base body and three through-holes configured in the sealing base body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022272291.3U CN213239940U (en) | 2020-10-13 | 2020-10-13 | Photoelectric device of blood fat analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022272291.3U CN213239940U (en) | 2020-10-13 | 2020-10-13 | Photoelectric device of blood fat analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213239940U true CN213239940U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022272291.3U Active CN213239940U (en) | 2020-10-13 | 2020-10-13 | Photoelectric device of blood fat analyzer |
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| Country | Link |
|---|---|
| CN (1) | CN213239940U (en) |
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2020
- 2020-10-13 CN CN202022272291.3U patent/CN213239940U/en active Active
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