CN209946161U - Biological reagent reaction unit - Google Patents
Biological reagent reaction unit Download PDFInfo
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- CN209946161U CN209946161U CN201920546807.3U CN201920546807U CN209946161U CN 209946161 U CN209946161 U CN 209946161U CN 201920546807 U CN201920546807 U CN 201920546807U CN 209946161 U CN209946161 U CN 209946161U
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- workbench
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Abstract
The utility model discloses a biological reagent reaction device, which comprises a workbench; the reaction disk is rotationally arranged on the workbench and is provided with a plurality of reaction cups which are circumferentially distributed around the rotation center of the reaction disk; the reagent disk is rotationally arranged on the workbench, and a plurality of reaction reagent boxes distributed circumferentially around the rotation center of the reagent disk are arranged on the reagent disk; the first liquid taking mechanism is used for taking a sample liquid to be detected and conveying the sample liquid to one of the reaction cups; the second liquid taking mechanism is used for taking the reaction liquid in one of the reaction reagent boxes and conveying the reaction liquid to the corresponding reaction cup; the photoelectric detection mechanisms are positioned on two opposite sides of the reaction cup and are used for detecting data information of the sample liquid after the reaction liquid is added; the control system is electrically connected with the reaction disc, the reagent disc, the first liquid taking mechanism, the second liquid taking mechanism and the photoelectric detection mechanism and controls the action of each part; the biological reagent reaction device realizes the automatic detection function, improves the detection efficiency and ensures the detection accuracy.
Description
Technical Field
The utility model relates to a biochemical analysis technical field, in particular to biological reagent reaction unit.
Background
In the field of medical detection, test samples such as blood, urine and the like are often required to be extracted from a human body for detection, most of the existing detection methods are manually operated for detection, and when the number of samples to be detected is large, the waiting time is too long, and the detection efficiency is low; moreover, the operator can easily cause work fatigue after repeating the same work for a long time, so that the error rate is increased, even wrong operation is performed, the diagnosis of the patient is influenced, and the consequences are very serious.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the present invention is to provide a biological reagent reaction device for automatically testing a sample liquid.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a bioreagent reaction device comprising: a work table; the reaction disc is rotatably arranged on the workbench, and a plurality of transparent reaction cups which are circumferentially distributed around the rotation center of the reaction disc are arranged on the reaction disc; the reagent disk is rotatably arranged on the workbench and positioned on one side of the reaction disk, and a plurality of reaction kits distributed circumferentially around the rotation center of the reagent disk are arranged on the reagent disk; the first liquid taking mechanism is arranged on the workbench and used for taking a sample liquid to be detected and conveying the sample liquid to one of the reaction cups; the second liquid taking mechanism is arranged on the workbench and used for taking the reaction liquid in one of the reaction reagent boxes and conveying the reaction liquid to the corresponding reaction cup; the photoelectric detection mechanisms are positioned on two opposite sides of the reaction cup and are used for detecting data information of the sample liquid after the reaction liquid is added; and the control system is electrically connected with the reaction disc, the reagent disc, the first liquid taking mechanism, the second liquid taking mechanism and the photoelectric detection mechanism.
Preferably, be equipped with the agitating unit who is used for with the sample liquid in the reaction cup and the reaction liquid mixing on the workstation, agitating unit helps intensive mixing sample liquid and reaction liquid, accelerates reaction rate, improves detection efficiency.
Preferably, a heating device for increasing the temperature of the reaction cup is arranged on the reaction disc, and the heating device can accelerate the reaction rate of the sample liquid and the reaction liquid and improve the detection efficiency.
Preferably, the reagent tray is provided with a cooling device for reducing the temperature of the reaction reagent box, and the cooling device has the effect of prolonging the quality guarantee period of the reaction liquid in the reaction reagent box.
Preferably, the cooling device comprises a semiconductor refrigeration chip, the cold end of the semiconductor refrigeration chip is connected with the reagent tray, the hot end of the semiconductor refrigeration chip is connected with a radiator, and an air draft device facing the radiator is arranged on the workbench. Compared with the traditional refrigerating system, the cooling device has the advantages of small structure, low cost and suitability for the refrigerating requirement with a smaller range.
Preferably, an automatic cleaning device is arranged on the workbench and used for cleaning the reaction cup after detection. The automatic cleaning device can avoid the influence of the residual detected sample liquid in the reaction cup on the test result of the added sample liquid.
Preferably, the first liquid taking mechanism comprises a first rotating arm, a first suction needle for sucking the sample liquid is arranged on the first rotating arm, a first sampling station and a first testing station which are respectively located at two ends of a movement stroke of the first rotating arm are arranged on the workbench, one of the reaction cups on the reaction disk is located on the first testing station, the first sampling station is used for placing the sample liquid to be detected, the first liquid taking mechanism transmits movement between two fixed point positions of the first sampling station and the first testing station through the first rotating arm, different sample liquids can be sequentially conveyed to different reaction cups by matching with the rotation of the reaction disk, and the movement transmission is accurate and stable.
Preferably, a first cleaning mechanism for cleaning the first suction needle is arranged on the workbench, the first cleaning mechanism is located above the movement stroke of the first rotating arm and between the first sampling station and the first testing station, and the first cleaning mechanism can reduce the influence of residual original sample liquid of the first suction needle on the testing result.
Preferably, the second liquid taking mechanism comprises a second rotating arm, a second suction needle for sucking the sample liquid is arranged on the second rotating arm, a second sampling station and a second testing station which are respectively located at two ends of a movement stroke of the second rotating arm are arranged on the workbench, one of the reaction cups on the reaction disk is located on the second testing station, and one of the reaction reagent boxes on the reagent disk is located on the second sampling station. The second liquid taking mechanism transmits motion between two fixed point positions of the second sampling station and the second testing station through the second rotating arm, different reaction liquids can be sequentially conveyed to corresponding reaction cups by matching with the rotation of the reaction tray and the reagent tray, and the motion transmission is accurate and stable.
Preferably, a second cleaning mechanism for cleaning the second suction needle is arranged on the workbench, the second cleaning mechanism is positioned above the movement stroke of the second rotating arm and between the second sampling station and the second testing station, and the second cleaning mechanism can reduce the influence of the residual original reaction liquid of the second suction needle on the testing result.
The utility model has the advantages that: the biological reagent reaction device extracts sample liquid to be detected by the first liquid taking mechanism and conveys the sample liquid to one reaction cup of the reaction disc, extracts reaction liquid in one reaction reagent box by the second liquid taking mechanism and conveys the reaction liquid to the corresponding reaction cup, after the sample liquid in the reaction cup reacts, the sample liquid is detected by the photoelectric detection mechanism, and detected data information is transmitted to the control system and stored, so that the automatic detection effect is realized, the detection efficiency is improved, and the detection accuracy is ensured.
Drawings
The invention will be further explained with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of a part of the housing structure of the workbench removed in fig. 1.
Detailed Description
Referring to fig. 1 and 2, the present invention discloses a biological reagent reaction apparatus, comprising: a work table 1; the reaction disk 2 is rotatably arranged on the workbench 1, and a plurality of transparent reaction cups 21 distributed around the circumference of the rotation center of the reaction disk 2 are arranged on the reaction disk 2; the reagent disk 3 is rotatably arranged on the workbench 1 and is positioned at one side of the reaction disk 2, and a plurality of reaction reagent boxes 31 distributed around the circumference of the rotation center of the reagent disk 3 are arranged on the reagent disk 3; the first liquid taking mechanism 4 is arranged on the workbench 1 and used for extracting a sample liquid to be detected and conveying the sample liquid to one of the reaction cups 21; the second liquid taking mechanism 5 is arranged on the workbench 1 and used for extracting the reaction liquid in one reaction kit 31 and conveying the reaction liquid to the corresponding reaction cup 21, the reaction kit 31 is provided with a cover, and the reaction kit 31 is closed through the cover when not in use, so that the deterioration of the reaction liquid in the reaction kit is avoided; photoelectric detection mechanisms 6, which are positioned at two opposite sides of the reaction cup 21 and are used for detecting the data information of the sample liquid after the reaction liquid is added; and the control system is electrically connected with the reaction disc 2, the reagent disc 3, the first liquid taking mechanism 4, the second liquid taking mechanism 5 and the photoelectric detection mechanism 6. In the biological reagent reaction device, the first liquid taking mechanism 4 extracts the sample liquid to be detected and conveys the sample liquid to one reaction cup 21 of the reaction disc 2, the second liquid taking mechanism 5 extracts the reaction liquid in one reaction kit 31 and conveys the reaction liquid to the corresponding reaction cup 21, after the sample liquid in the reaction cup 21 reacts, the photoelectric detection mechanism 6 detects the reaction liquid, and detected data information is transmitted to the control system and stored, so that the automatic detection effect is realized, the detection efficiency is improved, and the detection accuracy is ensured. The working principle of the photodetecting mechanism 6 is well known to those skilled in the art, and here, the following is briefly described: the photoelectric detection mechanism 6 comprises a light source and a light source receiving end, the light source and the light source receiving end are respectively positioned at two opposite sides of the reaction cup 21 to be tested, the light source receiving end is provided with a plurality of light ray channels, each light ray channel is respectively provided with an optical filter, light rays of the light source pass through the transparent reaction cup 21 and then enter each light ray channel, corresponding data information can be obtained through the filtering action of the optical filters, and the control system converts the data information into an A/D value so as to obtain corresponding test data. Because the optical characteristics of different sample liquids after reaction are different, the spectral information after passing through the optical filter on the light channel is different.
Referring to fig. 1, preferably, the workbench 1 is provided with a stirring device 7 for uniformly mixing the sample solution and the reaction solution in the reaction cup 21, and the stirring device 7 is helpful for sufficiently mixing the sample solution and the reaction solution, so as to accelerate the reaction rate and improve the detection efficiency.
Preferably, a heating device (not shown) for raising the temperature of the reaction cup 21 is disposed on the reaction tray 2, and the heating device can accelerate the reaction rate of the sample solution and the reaction solution, so as to improve the detection efficiency.
Referring to fig. 2, it is preferable that the reagent tray 3 is provided with a cooling device 8 for reducing the temperature of the reaction reagent kit 31, and the cooling device 8 has an effect of prolonging the shelf life of the reaction solution in the reaction reagent kit 31.
Preferably, the cooling device 8 comprises a semiconductor refrigeration chip, the cold end of the semiconductor refrigeration chip is connected with the reagent tray 3, the hot end of the semiconductor refrigeration chip is connected with a radiator, and the workbench 1 is provided with an air draft device facing the radiator. Compared with the traditional refrigerating system, the cooling device 8 has the advantages of small structure, low cost and suitability for the refrigerating requirement with a smaller range.
Referring to fig. 1, preferably, an automatic cleaning device 9 is disposed on the working platform 1, and the automatic cleaning device 9 is used for cleaning the detected reaction cups 21. The automatic cleaning device 9 can prevent the residual sample liquid in the cuvette 21 from affecting the test result of the added sample liquid. In some embodiments of the present invention, the automatic cleaning device 9 comprises a plurality of tube sets, each tube set comprises at least one liquid suction tube, and a part of the tube sets further comprises a liquid discharge tube for injecting clean water or cleaning liquid into the reaction cup 21.
Referring to fig. 1, preferably, the first liquid taking mechanism 4 includes a first rotating arm, a first suction needle for sucking a sample liquid is arranged on the first rotating arm, a first sampling station 11 and a first testing station 12 which are respectively located at two ends of a movement stroke of the first rotating arm are arranged on the workbench 1, one of the reaction cups 21 on the reaction disk 2 is located on the first testing station 12, the first sampling station 11 is used for placing the sample liquid to be detected, the first liquid taking mechanism 4 transmits motion between two fixed positions of the first sampling station 11 and the first testing station 12 through the first rotating arm, different sample liquids can be sequentially conveyed to different reaction cups 21 by matching with the rotation of the reaction disk 2, and the motion transmission is accurate and stable.
Preferably, a first cleaning mechanism 15 for cleaning the first suction needle is arranged on the workbench 1, the first cleaning mechanism 15 is located above the movement stroke of the first rotating arm and between the first sampling station 11 and the first testing station 12, and the first cleaning mechanism 15 can reduce the influence of the residual original sample liquid of the first suction needle on the test result. For example, the first cleaning mechanism 15 includes a first cup containing clean water and a second cup containing a cleaning solution, and the first cup and the second cup are respectively used for immersing the first suction needle to reduce the sample liquid residue.
Preferably, the second liquid taking mechanism 5 includes a second rotating arm, a second suction needle for sucking the sample liquid is arranged on the second rotating arm, a second sampling station 13 and a second testing station 14 which are respectively located at two ends of a movement stroke of the second rotating arm are arranged on the workbench 1, one of the reaction cups 21 on the reaction disk 2 is located on the second testing station 14, and one of the reaction reagent boxes 31 on the reagent disk 3 is located on the second sampling station 13. The second liquid taking mechanism 5 transmits motion between two fixed point positions of the second sampling station 13 and the second testing station 14 through the second rotating arm, different reaction liquids can be sequentially conveyed to the corresponding reaction cups 21 by matching with the rotation of the reaction disk 2 and the reagent disk 3, and the motion transmission is accurate and stable.
Preferably, a second cleaning mechanism 16 for cleaning the second suction needle is arranged on the workbench 1, the second cleaning mechanism 16 is located above the movement stroke of the second rotating arm and between the second sampling station 13 and the second testing station 14, and the second cleaning mechanism 16 can reduce the influence of the residual original reaction liquid of the second suction needle on the testing result. For example, the second cleaning mechanism 16 includes a third cup filled with clean water, and the third cup is used for immersing the second suction needle to reduce the reaction liquid residue.
The working process of the biological reagent reaction device is as follows: the sample liquid to be detected is placed on the first sampling station 11, the first suction needle on the first liquid taking mechanism 4 sucks the sample liquid and conveys the sample liquid to the reaction cup 21 corresponding to the first testing station 12, when the reaction cup 21 rotates anticlockwise to the second testing station 14, the second suction needle of the second liquid taking mechanism 5 sucks the reaction liquid in one of the reaction kits 31 and conveys the reaction liquid to the reaction cup 21 to be mixed with the sample liquid, when the reaction cup 21 continues to rotate anticlockwise to the station corresponding to the stirring device 7, the stirring device 7 stirs the liquid in the reaction cup 21 to accelerate the reaction, and finally, the reaction cup 21 rotates to the vicinity of the photoelectric detection mechanism 6 and is detected by the photoelectric detection mechanism 6.
The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A bioreagent reaction device, comprising:
a work table;
the reaction disc is rotatably arranged on the workbench, and a plurality of transparent reaction cups which are circumferentially distributed around the rotation center of the reaction disc are arranged on the reaction disc;
the reagent disk is rotatably arranged on the workbench and positioned on one side of the reaction disk, and a plurality of reaction kits distributed circumferentially around the rotation center of the reagent disk are arranged on the reagent disk;
the first liquid taking mechanism is arranged on the workbench and used for taking a sample liquid to be detected and conveying the sample liquid to one of the reaction cups;
the second liquid taking mechanism is arranged on the workbench and used for taking the reaction liquid in one of the reaction reagent boxes and conveying the reaction liquid to the corresponding reaction cup;
the photoelectric detection mechanisms are positioned on two opposite sides of the reaction cup and are used for detecting data information of the sample liquid after the reaction liquid is added;
and the control system is electrically connected with the reaction disc, the reagent disc, the first liquid taking mechanism, the second liquid taking mechanism and the photoelectric detection mechanism.
2. A bioreagent reaction device according to claim 1 wherein:
and the workbench is provided with a stirring device for uniformly mixing the sample liquid and the reaction liquid in the reaction cup.
3. A bioreagent reaction device according to claim 1 wherein:
and a heating device for increasing the temperature of the reaction cup is arranged on the reaction disc.
4. A bioreagent reaction device according to claim 1 wherein:
and a cooling device for reducing the temperature of the reaction kit is arranged on the reagent tray.
5. A bioreagent reaction device according to claim 4 wherein:
the cooling device comprises a semiconductor refrigeration chip, the cold end of the semiconductor refrigeration chip is connected with the reagent tray, the hot end of the semiconductor refrigeration chip is connected with a radiator, and an air draft device which is opposite to the radiator is arranged on the workbench.
6. A bioreagent reaction device according to claim 1 wherein:
and an automatic cleaning device is arranged on the workbench and used for cleaning the reaction cup after detection.
7. A bioreagent reaction device according to claim 1 wherein:
the first liquid taking mechanism comprises a first rotating arm, a first suction needle used for sucking sample liquid is arranged on the first rotating arm, a first sampling station and a first testing station which are respectively positioned at two ends of the movement stroke of the first rotating arm are arranged on the workbench, and one of the reaction cups on the reaction disc is positioned on the first testing station.
8. A bioreagent reaction device according to claim 7 wherein:
the workbench is provided with a first cleaning mechanism for cleaning the first suction needle, and the first cleaning mechanism is positioned above the movement stroke of the first rotating arm and between the first sampling station and the first testing station.
9. A bioreagent reaction device according to claim 1 wherein:
the second liquid taking mechanism comprises a second rotating arm, a second suction needle used for sucking sample liquid is arranged on the second rotating arm, a second sampling station and a second testing station which are respectively positioned at two ends of the movement stroke of the second rotating arm are arranged on the workbench, one of the reaction cups on the reaction disk is positioned on the second testing station, and one of the reaction reagent boxes on the reagent disk is positioned on the second sampling station.
10. A bioreagent reaction device according to claim 9 wherein:
and a second cleaning mechanism for cleaning the second suction needle is arranged on the workbench, and the second cleaning mechanism is positioned on the motion stroke of the second rotating arm and between the second sampling station and the second testing station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546807.3U CN209946161U (en) | 2019-04-19 | 2019-04-19 | Biological reagent reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920546807.3U CN209946161U (en) | 2019-04-19 | 2019-04-19 | Biological reagent reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946161U true CN209946161U (en) | 2020-01-14 |
Family
ID=69129187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920546807.3U Expired - Fee Related CN209946161U (en) | 2019-04-19 | 2019-04-19 | Biological reagent reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946161U (en) |
-
2019
- 2019-04-19 CN CN201920546807.3U patent/CN209946161U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20210419 |