CN212872212U - Dry biochemical analyzer - Google Patents
Dry biochemical analyzer Download PDFInfo
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- CN212872212U CN212872212U CN202021181417.XU CN202021181417U CN212872212U CN 212872212 U CN212872212 U CN 212872212U CN 202021181417 U CN202021181417 U CN 202021181417U CN 212872212 U CN212872212 U CN 212872212U
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Abstract
The utility model belongs to the technical field of medical instrument, concretely relates to dry-type biochemical analyzer, include shell, photoelectric detection device and sweep a yard send a kind device. Wherein the housing has an interior cavity; the photoelectric detection device is arranged in the inner cavity and comprises a white light source, a filter and a detector, wherein the white light source is used for detecting light beams and irradiating the light beams to the detection area, the filter is arranged on a light path between the white light source and the detection area and is used for screening at least two light beams with specific wavelengths, and the detector is used for capturing the light beams from the detection area after excitation; sweep a yard and send a kind device setting at the inner chamber for sweep a yard and move to the detection zone to the test card. The test card is placed on the code scanning and sample conveying device, so that the test card can be scanned, registered and conveyed to a detection area, the photoelectric detection device detects the test card, the operation process is simple and easy to implement, and the detection efficiency is improved; the optical filter included by the photoelectric detection device can screen at least two specific wavelength light beams, the detection of at least two samples can be met, and the detection efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to dry-type biochemical analyzer.
Background
The dry biochemical analyzer is one of the important analysis systems frequently used in clinical examinations, and measures various biochemical indexes (such as transaminase, hemoglobin, albumin, total protein, cholesterol, creatinine, glucose, inorganic phosphorus, amylase, calcium, etc.) through blood or other body fluids, and performs comprehensive analysis in combination with other clinical data to help diagnose diseases, evaluate organ functions, identify concurrent factors, and determine the standard of future treatment. The dry chemical analyzer has the advantages of high detection speed, high precision, simple and convenient operation method and the like, and has wide application prospect in clinical detection.
In order to improve the detection precision and efficiency, a special optical detection mechanism is generally arranged in the dry biochemical analyzer, and then the concentration of the item to be detected is analyzed through the principle of photoelectric colorimetry or transmittance turbidimetry.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the present invention lies in overcoming the defect that the optical detection mechanism of the existing dry biochemical analyzer can only provide a monochromatic light and cannot satisfy the detection of different samples.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a dry-type biochemical analyzer, include:
a housing having an interior cavity;
the photoelectric detection device is arranged in the inner cavity and comprises a white light source for irradiating a light beam for detection to a detection area, a filter arranged on a light path between the white light source and the detection area and used for screening at least two light beams with specific wavelengths, and a detector for capturing the light beam excited from the detection area;
sweep a yard send a kind device, set up in the inner chamber for sweep a yard and transport to the test card to the detection zone.
Preferably, in the dry biochemical analyzer with the above structure, the photoelectric detection device includes a photoelectric frame, an outgoing light path provided on the photoelectric frame for installing the white light source and the optical filter, and an incoming light path provided on the photoelectric frame for installing the detector.
Further preferably, the dry biochemical analyzer of the structure, the optical filter is rotatably connected with the optoelectronic rack;
at least two filters are arranged on the optical filter, and the filters are rotated to switch different filters so as to screen light beams with specific wavelengths.
Further preferably, in the dry biochemical analyzer with the structure, a 350nm filter, an 415nm filter, a 480nm filter, a 545nm filter, a 610nm filter and a 675nm filter are arranged in the filter.
Further preferably, in the dry biochemical analyzer with the structure, a collimating mirror is arranged in the emergent light path channel;
the collimating lens is positioned behind the optical filter along the irradiation direction of the detection beam.
Further preferably, the dry biochemical analyzer with the structure is characterized in that along the irradiation direction of the excited light beam, a condenser lens and a pinhole diaphragm are sequentially arranged in the incident light path channel, and the detector is positioned behind the pinhole diaphragm.
Preferably, the dry biochemical analyzer with the structure, the code scanning and sample sending device comprises a scanning mechanism for scanning the code of the test card and a conveying mechanism for conveying the test card to the detection area.
Further preferably, the dry biochemical analyzer with the structure further comprises a motor transmission device arranged in the inner cavity and used for driving the conveying mechanism to move.
Preferably, the dry biochemical analyzer of this configuration, the housing includes a first housing and a second housing, and the first housing is detachably connected to the second housing.
Further preferably, in the dry biochemical analyzer having the above structure, the first housing is provided with a sample injector and a filter switching region.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a dry-type biochemical analyzer, include shell, photoelectric detection device and sweep a yard send a kind device. Wherein the housing has an interior cavity; the photoelectric detection device is arranged in the inner cavity and comprises a white light source, a filter and a detector, wherein the white light source is used for detecting light beams and irradiating the light beams to the detection area, the filter is arranged on a light path between the white light source and the detection area and is used for screening at least two light beams with specific wavelengths, and the detector is used for capturing the light beams from the detection area after excitation; sweep a yard and send a kind device setting at the inner chamber for sweep a yard and move to the detection zone to the test card.
According to the dry biochemical analyzer with the structure, the test card is placed on the code scanning and sample conveying device, so that the test card can be scanned, registered and conveyed to the detection area, the photoelectric detection device detects the test card, the operation process is simple and easy to implement, and the detection efficiency is improved; the optical filter included by the photoelectric detection device can screen at least two specific wavelength light beams, the detection of at least two samples can be met, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a dry biochemical analyzer provided in embodiment 1 of the present invention;
fig. 2 is a schematic view of a first shell structure provided in embodiment 1 of the present invention;
fig. 3 is a schematic perspective view of a photoelectric detection device provided in embodiment 1 of the present invention;
fig. 4 is a schematic cross-sectional structure view of a photoelectric detection device provided in embodiment 1 of the present invention;
fig. 5 is a schematic view of a distribution structure of the optical filter on the optical filter according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a code scanning and sample sending device provided in embodiment 1 of the present invention;
description of reference numerals:
1-a housing; 11-a first housing; 111-sample injector; 112-a filter switching region; 113-a display area; 12-a second housing;
2-a photoelectric detection device; 21-a photoelectric machine frame; 211-an outgoing optical path; 212-incident light path channel; 22-a light emitting mechanism; 221-white light source; 222-a filter; 2221-optical filter; 223-a collimating mirror; 23-a detection mechanism; 231-a condenser lens; 232-pinhole diaphragm; 233-a detector;
3-code scanning and sample sending device; 31-a scanning mechanism; 32-a conveying mechanism;
4-motor transmission.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a dry biochemical analyzer, as shown in fig. 1, comprising a housing 1, a photoelectric detection device 2, a code scanning and sample feeding device 3, a motor transmission device 4, a control device and an operation and storage device.
As shown in fig. 1, the housing 1 includes a first housing 11 and a second housing 12, and the second housing 12 is detachably fastened with the first housing 11 to form an inner cavity, which is beneficial for replacing or cleaning components in the inner cavity.
As shown in fig. 2, the first housing 11 is provided with an injector 111, a filter switching area 112, and a display area 113. Wherein, the sample injector 111 is used for the user to place the test card on the code scanning and sample feeding device 3; the filter switching area 112 is structured with the sample injector 111, and is used for the user to adjust the wavelength of the light beam emitted by the photoelectric detection device 2; the display area 113 is a touch liquid crystal display, and is connected to a control device (not shown) and an operation storage device (not shown), so that a user can conveniently touch the screen and display an analysis and detection result.
As shown in figure 1, the photoelectric detection device 2, the code scanning and sample conveying device 3, the motor transmission device 4, the control device and the operation storage device are positioned in the inner cavity.
As shown in fig. 3, the photodetection device 2 includes a photoelectric motor frame 21, a light emitting mechanism 22, and a detecting mechanism 23. As shown in fig. 4, the optical motor frame 21 is disposed on the inner wall surface of the second housing 12, and has an arc-shaped cover body, on which an outgoing light path passage 211 and an incoming light path passage 212 are disposed, and their central axes intersect at an arc-shaped cover body dot, which serves as a detection area. The light-emitting mechanism 22 is disposed in the exit optical path 211, and is used for emitting a light beam for detection to the detection area; the light emitting mechanism 22 includes a white light source 221, a filter 222, and a collimator lens 223, which are arranged in this order in the detection beam irradiation direction. The white light source 221 is used for providing polychromatic light and comprises a broad spectrum within 320-700 nm, so that the detection range of the sample is further improved; as shown in fig. 5, the optical filter 222 is a roller structure, is rotatably connected to the photo-electric machine frame 21, and is disposed corresponding to the optical filtering switching region 112, at least two kinds of optical filters 2221 are disposed on the optical filter 222, and different optical filters 2221 can be switched in the outgoing light path 211 by adjusting the roller by a user, so as to screen the polychromatic light in the above-mentioned wide range into at least two kinds of light beams with specific wavelengths.
The detection mechanism 23 is disposed in the incident light path 212, and a condenser 231, a pinhole diaphragm 232, and a detector 233 are sequentially disposed along the direction of irradiation of the beam after excitation from the detection region.
The white light source 221 may be an LED lamp or an optical fiber conducting laser light, in this embodiment, the white light source 221 is an LED lamp; the detector 233 may be a silicon photodiode, a silicon photodiode array, or a photomultiplier, and in this embodiment, the detector 233 is a silicon photodiode. The white light source 221 emits a light beam for detection, the light beam sequentially passes through the filter 222 and the collimating lens 223 and is collected in the detection area, the test card passing through the detection area generates exciting light after being irradiated by the light beam for detection, the exciting light enters the incident light path 212, the test card sequentially passes through the condensing lens 231 and the pinhole diaphragm 232 and is captured by the detector 233, a pinhole on the pinhole diaphragm 232 is conjugated with the exciting light area of the test card, and only fluorescence emitted by the exciting light area of the test card is allowed to pass through.
As shown in fig. 1 and 6, the code scanning and sample feeding device 3 includes a scanning mechanism 31 and a conveying mechanism 32.
The scanning mechanism 31, model GS-6900A, is arranged on the inner wall surface of the second bottom surface, and scans and identifies the bar code on the test card passing through the detection area to register the test card information.
The control device comprises a CPU main control chip (model STM32L073) and a plurality of functional circuits (a photoelectric acquisition circuit and a motor drive circuit) for controlling the photoelectric detection device 2 and the motor drive device 4 to operate, the functional circuits are all connected with the CPU main control chip, and the prior art is adopted.
The operation storage device is electrically connected with the photoelectric detection device 2 and the touch liquid crystal screen, and is used for converting the fluorescent signal detected by the photoelectric detection device 2 into a data signal and displaying the data signal through the touch liquid crystal screen. The model of an operation chip contained in the operation storage device is AD8619, and the storage chip is a high-performance 32-bit ARM processor based on a CORTEX-M3 architecture.
The working principle of the dry biochemical analyzer with the structure is as follows: starting a switchboard switch, opening a cover plate of the filtering switching area 112, rotating the filter 222, and selecting a proper filter 2221 according to a wavelength beam required by a sample to be detected; opening a cover plate of the sample injector 111, placing the test card added with the sample to be tested on the conveying mechanism 32, covering the cover plate, driving the conveying mechanism 32 to move towards the detection area by the motor transmission device 4 under the control of the control device, and simultaneously, scanning and identifying the test card by the scanning mechanism 31 and recording information; when the test card moves to the detection area, the detection light beam emitted by the white light source 221 sequentially passes through the filter 222 and the collimating mirror 223 and irradiates the test card, the exciting light of the test card sequentially passes through the condenser 231 and the pinhole diaphragm 232 and reaches the detector 233, so that the sample test result is captured and stored in the operation storage device, and the user directly obtains the test result through the display area 113. After the detection is finished, under the control of the control device, the motor transmission device 4 drives the conveying mechanism 32 to move reversely to the position below the sample injector 111, the cover plate of the sample injector 111 is opened, and the test card is taken out, so that one-time operation is finished.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A dry biochemical analyzer, comprising:
a housing having an interior cavity;
the photoelectric detection device is arranged in the inner cavity and comprises a white light source for irradiating a light beam for detection to a detection area, a filter arranged on a light path between the white light source and the detection area and used for screening at least two light beams with specific wavelengths, and a detector for capturing the light beam excited from the detection area;
sweep a yard send a kind device, set up in the inner chamber for sweep a yard and transport to the test card to the detection zone.
2. The dry biochemical analyzer according to claim 1, wherein the photodetecting means comprises a photoelectric motor holder, an exit light path provided on the photoelectric motor holder for mounting the white light source and the optical filter, and an incident light path provided on the photoelectric motor holder for mounting the detector.
3. The dry biochemical analyzer according to claim 2, wherein the optical filter is rotatably coupled to the optoelectronic mount;
at least two filters are arranged on the optical filter, and the filters are rotated to switch different filters so as to screen light beams with specific wavelengths.
4. The dry biochemical analyzer according to claim 3, wherein a 350nm filter, an 415nm filter, a 480nm filter, a 545nm filter, a 610nm filter and a 675nm filter are provided in the filter.
5. The dry biochemical analyzer according to any one of claims 2 to 4, wherein a collimator lens is provided in the exit optical path;
the collimating lens is positioned behind the optical filter along the irradiation direction of the detection beam.
6. The dry biochemical analyzer according to any one of claims 2 to 4, wherein a condenser lens and a pinhole diaphragm are disposed in the incident light path in sequence along the irradiation direction of the excited light beam, and the detector is located behind the pinhole diaphragm.
7. The dry biochemical analyzer according to any one of claims 1 to 4, wherein the code scanning and sample feeding device includes a scanning mechanism for scanning a code of the test card and a transport mechanism for transporting the test card to the detection area.
8. The dry biochemical analyzer according to claim 7, further comprising a motor drive disposed within the internal chamber for driving the movement of the transport mechanism.
9. The dry biochemical analyzer according to any one of claims 1 to 4, wherein the housing includes a first housing and a second housing, the first housing being detachably connected to the second housing.
10. The dry biochemical analyzer according to claim 9, wherein the first housing is provided with a sampler and a filter switching area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021181417.XU CN212872212U (en) | 2020-06-23 | 2020-06-23 | Dry biochemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021181417.XU CN212872212U (en) | 2020-06-23 | 2020-06-23 | Dry biochemical analyzer |
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| CN212872212U true CN212872212U (en) | 2021-04-02 |
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| CN202021181417.XU Active CN212872212U (en) | 2020-06-23 | 2020-06-23 | Dry biochemical analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303833A (en) * | 2021-05-20 | 2021-08-27 | 江苏经纬技术创新咨询有限公司 | Intelligent expert treatment-assisting rehabilitation equipment and combined equipment |
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2020
- 2020-06-23 CN CN202021181417.XU patent/CN212872212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303833A (en) * | 2021-05-20 | 2021-08-27 | 江苏经纬技术创新咨询有限公司 | Intelligent expert treatment-assisting rehabilitation equipment and combined equipment |
| CN113303833B (en) * | 2021-05-20 | 2022-02-01 | 江苏经纬技术创新咨询有限公司 | Intelligent expert treatment-assisting rehabilitation equipment and combined equipment |
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