CN212904533U - B-group streptococcus quantum dot detection device - Google Patents
B-group streptococcus quantum dot detection device Download PDFInfo
- Publication number
- CN212904533U CN212904533U CN202021435332.XU CN202021435332U CN212904533U CN 212904533 U CN212904533 U CN 212904533U CN 202021435332 U CN202021435332 U CN 202021435332U CN 212904533 U CN212904533 U CN 212904533U
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- quantum dot
- detection device
- microprocessor
- group
- dot detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000002096 quantum dot Substances 0.000 title claims abstract description 14
- 241000194017 Streptococcus Species 0.000 title abstract description 7
- 241000193990 Streptococcus sp. 'group B' Species 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000035935 pregnancy Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001478240 Coccus Species 0.000 description 1
- 208000001362 Fetal Growth Retardation Diseases 0.000 description 1
- 206010070531 Foetal growth restriction Diseases 0.000 description 1
- 201000009906 Meningitis Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 208000005107 Premature Birth Diseases 0.000 description 1
- 208000003107 Premature Rupture Fetal Membranes Diseases 0.000 description 1
- 206010036590 Premature baby Diseases 0.000 description 1
- 206010040047 Sepsis Diseases 0.000 description 1
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000030941 fetal growth restriction Diseases 0.000 description 1
- 238000001917 fluorescence detection Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 208000013223 septicemia Diseases 0.000 description 1
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses a B group streptococcus quantum dot detection device, include: base, pillar, microprocessor, install the pillar in the base vertical direction, the mount table is installed to the pillar upper end, install the laser instrument under the mount table, the laser instrument can carry out fluorescence irradiation to the liquid that awaits measuring, it can filter and gather fluorescence to have light filter and condensing lens under the laser instrument simultaneously, then turn into the current by photoelectric detector, again through preamplifier turn into voltage, later through filter amplifier filtering high frequency interference, finally handle through microprocessor, show this concentration number by the display, whole process easy operation, and can obtain the accurate concentration value of B clan streptococcus very fast, be more favorable to subsequent diagnosis treatment.
Description
Technical Field
The utility model relates to a biological detection's technical field specifically is a B clan streptococcus quantum dot detection device.
Background
Group B streptococcus is a gram-positive coccus, can cause the newborn to present lethal diseases such as septicemia, pneumonia, meningitis, etc., for the pregnant and postpartum women, group B streptococcus can cause poor pregnancy fatalities such as late abortion, fetal growth restriction, premature rupture of fetal membranes, premature birth, etc., in order to reduce pregnancy and postpartum women and early newborn infection, it is necessary to detect group B streptococcus; the existing detection equipment is complicated, needs special personnel to operate, is high in price, is not beneficial to large-scale popularization, and the simple kit is too rough to detect, so that a specific concentration value cannot be obtained, and the next diagnosis and treatment are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a specifically be a B clan streptococcus quantum dot detection device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a group B streptococcus quantum dot detection device at least comprises: base, mount table, microprocessor, fixed mounting has the pillar in the vertical direction of base, the mount table is installed to the pillar upper end, install the laser instrument under the mount table, one side from the top down that the pillar is close to the laser instrument fixedly connected with three fixed arm in proper order, install objective table, optical filter, condensing lens on the fixed arm in proper order, the center of objective table, optical filter, condensing lens and laser instrument is on same vertical center axis, be provided with photoelectric detector under the condensing lens, photoelectric detector links to each other with preamplifier's input, preamplifier's output links to each other with filter amplifier's input, filter amplifier's output links to each other with microprocessor's AD converting unit, microprocessor's IO mouth links to each other with the LED display screen, LED display screen below is equipped with the switch, the base is internally provided with a storage battery, and the rear side of the storage battery is provided with a USB interface.
As a further aspect of the present invention: the photoelectric detector adopts a PIN photodiode.
As a further aspect of the present invention: the pre-amplifier adopts a MAX4488 amplifier.
As a further aspect of the present invention: the filter amplifier adopts an OPO7 chip.
As a further aspect of the present invention: the microprocessor adopts an S3C2440 chip.
As a further aspect of the present invention: and a handle is arranged on one side of the support pillar, which is far away from the fixed arm.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a laser instrument carries out fluorescence to the liquid that awaits measuring and shines, is equipped with light filter and condensing lens simultaneously and filters and gather fluorescence, then turns into the electric current by photoelectric detector, turns into voltage through preamplifier again, later through filter amplifier filtering high frequency interference, finally handles through microprocessor, shows this concentration number by the display, easy operation, and can obtain the accurate concentration value of B clan streptococcus very fast, more is favorable to subsequent diagnosis treatment.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a left side sectional view of the present invention;
fig. 3 is a circuit block diagram of the utility model.
The device comprises a base 1, a support 2, a mounting table 3, a laser 4, a fixing arm 5, an object stage 6, a filter 7, a condenser 8, a photodetector 9, a preamplifier 10, a filter amplifier 11, a microprocessor 12, a storage battery 13, a USB interface 14, an LED display screen 15, a switch 16 and a handle 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1 to 3, in an embodiment of the present invention, a group B streptococcus quantum dot detection device at least includes: a base 1, a pillar 2, a mounting table 3, a laser 4, an objective table 6, a filter lens 7, a condenser lens 8, a photoelectric detector 9, a preamplifier 10, a filter amplifier 11, a microprocessor 12 and an LED display screen 15, a supporting column 2 is fixedly arranged on the base 1 in the vertical direction, an installation platform 3 is arranged at the upper end of the supporting column 2, a laser 4 is arranged under the mounting table 3, three fixing arms 5 are fixedly connected with one side of the support 2 close to the laser 4 from top to bottom in sequence, the fixed arm 5 is sequentially provided with an object stage 6, a filter lens 7 and a condenser lens 8, the centers of the object stage 6, the filter lens 7, the condenser lens 8 and the laser 4 are on the same vertical central axis, the fluorescence emitted by the laser 4 is further filtered and gathered, so that the emitted fluorescence signal is more stable, and a foundation is laid for subsequent fluorescence detection;
a photoelectric detector 9 is arranged right below the condenser lens 8, the photoelectric detector 5 adopts a PIN photodiode, the PIN photodiode is connected with the input end of a preamplifier 10, the preamplifier 10 adopts a MAX4488 amplifier, the output end of the preamplifier 10 is connected with the input end of a filter amplifier 11, the filter amplifier 11 adopts an OPO7 chip, the microprocessor 12 adopts an S3C2440 chip, the output end of the filter amplifier 11 is connected with an A/D conversion unit of the microprocessor 12, an I/O port of the microprocessor 12 is connected with an LED display screen 15, a switch 16 is arranged below the LED display screen 15, and the on and off of the control equipment are controlled;
a storage battery 13 is installed in the base 1, a USB interface 14 is arranged at the rear side of the storage battery 13 and can be used for charging, and a handle 17 is installed at one side of the support column 2, which is far away from the fixed arm 5, so that the support column is convenient to move by hand; during detection, firstly, a laser light source is turned on, a glass slide with a certain amount of water is placed in the center of the objective table 6, and the microprocessor 12 automatically reads an output numerical value as a zero setting numerical value; then replacing the other glass slide dripped with quantitative water and quantitative quantum dot solution, displaying the value D1 of the fluorescence signal by the LED display screen 15, and automatically storing the value; then adding a certain amount of solution to be detected into the glass slide, and automatically reading and storing the numerical value D2 of the fluorescence signal after the solution to be detected is added by the microprocessor 12; finally, the microprocessor 12 compares the difference between the two stored values, i.e., D1-D2, with the standard curve of the group B streptococcus to be detected, calculates the concentration of the group B streptococcus in the solution to be detected, and displays the concentration number on the display.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A group B streptococcus quantum dot detection device at least comprises: base (1), mount table (3), microprocessor (12), its characterized in that: the support is characterized in that a support column (2) is fixedly mounted on the base (1) in the vertical direction, a mounting table (3) is mounted at the upper end of the support column (2), a laser (4) is mounted under the mounting table (3), one side, close to the laser (4), of the support column (2) is fixedly connected with three fixing arms (5) in sequence from top to bottom, an object stage (6), a filter lens (7) and a condenser lens (8) are mounted on the fixing arms (5) in sequence from top to bottom, the centers of the object stage (6), the filter lens (7), the condenser lens (8) and the laser (4) are on the same vertical central axis, a photoelectric detector (9) is arranged under the condenser lens (8), the photoelectric detector (9) is connected with the input end of a preamplifier (10), the output end of the preamplifier (10) is connected with the input end of a filter amplifier (11), the output end of the filter amplifier (11) is connected with an A/D conversion unit of the microprocessor (12), an I/O port of the microprocessor (12) is connected with an LED display screen (15), a switch (16) is arranged below the LED display screen (15), a storage battery (13) is installed in the base (1), and a USB interface (14) is arranged on the rear side of the storage battery (13).
2. The group B streptococcus quantum dot detection device according to claim 1, wherein: the photoelectric detector (9) adopts a PIN photodiode.
3. The group B streptococcus quantum dot detection device according to claim 1, wherein: the preamplifier (10) adopts a MAX4488 amplifier.
4. The group B streptococcus quantum dot detection device according to claim 1, wherein: the filter amplifier (11) adopts an OPO7 chip.
5. The group B streptococcus quantum dot detection device according to claim 1, wherein: the microprocessor (12) adopts an S3C2440 chip.
6. The group B streptococcus quantum dot detection device according to claim 1, wherein: and a handle (17) is arranged on one side of the strut (2) far away from the fixed arm (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435332.XU CN212904533U (en) | 2020-07-17 | 2020-07-17 | B-group streptococcus quantum dot detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435332.XU CN212904533U (en) | 2020-07-17 | 2020-07-17 | B-group streptococcus quantum dot detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212904533U true CN212904533U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021435332.XU Expired - Fee Related CN212904533U (en) | 2020-07-17 | 2020-07-17 | B-group streptococcus quantum dot detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212904533U (en) |
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2020
- 2020-07-17 CN CN202021435332.XU patent/CN212904533U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |