CN111077328A - Quick detection device capable of being simultaneously suitable for implementing test paper detection and reagent detection - Google Patents
Quick detection device capable of being simultaneously suitable for implementing test paper detection and reagent detection Download PDFInfo
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- CN111077328A CN111077328A CN201911425463.1A CN201911425463A CN111077328A CN 111077328 A CN111077328 A CN 111077328A CN 201911425463 A CN201911425463 A CN 201911425463A CN 111077328 A CN111077328 A CN 111077328A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00029—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor provided with flat sample substrates, e.g. slides
- G01N2035/00099—Characterised by type of test elements
- G01N2035/00108—Test strips, e.g. paper
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/04—Details of the conveyor system
- G01N2035/0439—Rotary sample carriers, i.e. carousels
- G01N2035/0444—Rotary sample carriers, i.e. carousels for cuvettes or reaction vessels
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- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a quick detection device which can be simultaneously suitable for implementing test paper detection and reagent detection, and particularly relates to the technical field of detection, wherein the quick detection device comprises a bottom fixing plate, a fixing column, a first liquid adding mechanism for adding a liquid detection test agent into a sample to be detected, a second liquid adding mechanism for adding sample liquid to be detected onto detection test paper and a test paper conveying mechanism for accommodating and conveying the detection test paper; the first liquid adding mechanism comprises a lower fixed plate, an upper fixed plate, a liquid storage cylinder and a liquid outlet cylinder, the lower fixed plate is rotatably connected with the side end of the fixed column, the upper fixed plate is located above the lower fixed plate, the two ends of the liquid outlet cylinder are respectively fixed with the upper fixed plate and the lower fixed plate, the liquid storage cylinder is communicated with the liquid outlet cylinder, and an elastic bag ball for blowing out a detection reagent from the liquid outlet cylinder is arranged in the middle of the liquid outlet cylinder. The invention has the advantage of facilitating the detection of technicians.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a quick detection device which is simultaneously suitable for implementing test paper detection and reagent detection.
Background
The rapid detection technology is widely applied to the fields of medical diagnosis, bacterial detection, inspection and quarantine, food safety monitoring of environment and pesticide residue and the like, veterinary diagnosis, drug detection, drug screening, dynamic monitoring of biological reaction process, scientific research and the like, and comprises rapid diagnosis and detection of biological carried pathogens, cancer markers, heart markers, various hormones, illegal addition/pesticide/veterinary drug residue and the like. The rapid detection technology is particularly widely applied to the field of food detection, for example, a kit is used for qualitatively or semi-quantitatively detecting illegal additive/pesticide/veterinary drug residues in a food detection sample liquid, and a portable spectrometer or a chromatograph-mass spectrometer is used for quantitatively detecting hazardous substances in food.
In the actual detection process of the detection personnel, the general detection mode is as follows: (1) and (3) pretreating the sample solution, dripping the pretreated sample solution on detection test paper, and obtaining whether the sample solution contains the target object to be detected according to the reaction generated by the detection test paper. (2) And dropwise adding the liquid detection reagent into the sample solution, and observing the reaction phenomenon of the sample solution to qualitatively obtain whether the sample solution contains the target object to be detected.
However, in the above-mentioned detection process, the experimenter needs to carry the tools used in the above-mentioned detection process, such as: the detection test paper, the detection reagent, the dropper, the container and the like are inconvenient to implement the detection experiment under the condition of poor experimental conditions.
Disclosure of Invention
The invention provides a quick detection device which is simultaneously suitable for implementing test paper detection and reagent detection, and the quick detection device has the advantage of facilitating technical personnel to implement detection.
In order to achieve the purpose, the invention provides the following technical scheme:
a quick detection device applicable to test paper detection and reagent detection at the same time comprises a bottom fixing plate, a fixing column, a first liquid adding mechanism for adding a liquid detection reagent into a sample to be detected, a second liquid adding mechanism for adding a sample liquid to be detected onto detection test paper and a test paper conveying mechanism for accommodating and conveying the detection test paper; the first liquid adding mechanism comprises a lower fixed plate, an upper fixed plate, a liquid storage cylinder and a liquid outlet cylinder, the lower fixed plate is rotatably connected with the side end of the fixed column, the upper fixed plate is located above the lower fixed plate, the two ends of the liquid outlet cylinder are respectively fixed with the upper fixed plate and the lower fixed plate, the liquid storage cylinder is communicated with the liquid outlet cylinder, and an elastic bag ball for blowing out a detection reagent from the liquid outlet cylinder is arranged in the middle of the liquid outlet cylinder.
Preferably, a connecting rod is fixedly arranged above the lower fixing plate, the bottom end of the liquid storage cylinder is fixed with one end, back to the lower fixing plate, of the connecting rod, the side ends of the liquid storage cylinder and the liquid outlet cylinder are communicated through a liquid inlet pipe which is obliquely arranged, and an opening and closing valve is arranged on the liquid inlet pipe.
Preferably, the second liquid adding mechanism comprises an upper fixing plate, a lower fixing plate, a liquid absorbing barrel, a disposable and replaceable liquid absorbing cover and a piston assembly for providing negative pressure power; the upper fixing piece and the lower fixing piece are rotatably connected with the fixing column, the upper fixing piece is positioned above the upper fixing plate, and the lower fixing piece is positioned below the lower fixing plate; the two ends of the liquid suction barrel are respectively fixed with the upper fixing piece and the lower fixing piece, the piston assembly is arranged in the hollow part of the liquid suction barrel, and the liquid suction sleeve is arranged below the liquid suction barrel.
Preferably, the liquid absorbing cover comprises a conical liquid absorbing mouth part, an inner attaching part attached to the inner pipe wall of the liquid absorbing cylinder, a telescopic hose part, an outer fixing part and a screw joint fixing part; the piston assembly comprises a piston; the utility model discloses a imbibition mouth part, including outer fixed part, interior portion, the one end of flexible hose portion is fixed mutually with the one end of interior portion of pasting dorsad imbibition mouth part, and the other end is fixed mutually with spiro union fixed part, the one end of spiro union fixed part dorsad flexible hose portion is fixed with the piston spiro union, correspondingly, the lower extreme of piston is equipped with the spiro union groove with spiro union fixed part adaptation.
Preferably, the piston assembly further comprises a piston rod, and the piston rod is fixed with the upper end of the piston.
Preferably, one end of the piston rod, which faces away from the piston, is provided with a handle part which is convenient for a technician to apply force.
Preferably, the test paper conveying mechanism comprises a hollow shell, a driving wheel and a conveying belt, a liquid dropping hole is formed in the shell and correspondingly located below the liquid sucking mouth, the driving wheel and the driving wheel are both arranged inside the shell, and the driving wheel are in transmission connection through the conveying belt.
Preferably, the test paper transport mechanism further comprises a test paper storage block, the test paper storage block is provided with a holding groove matched with the test paper strip, the end portion of the bottom fixing plate is provided with a rotating groove, the test paper storage block is rotatably connected with the rotating groove, and the test paper storage block is arranged on the side of the driving wheel.
Preferably, the surface of the conveyor belt, which is in contact with the test paper, is sticky, and the conveyor belt is provided with a caulking groove which is matched with the test paper to be embedded in.
Preferably, the outer side of the driving wheel is provided with a rotating handle which is convenient for technicians to rotate.
The invention has the beneficial effects that: when a detection person needs to add a liquid detection reagent into the sample solution, the opening and closing valve can be opened, so that the detection reagent flows out of the liquid storage cylinder and is dripped into the sample solution. When the detection personnel need drop by drop the sample solution to the test paper, operation can be implemented through the second liquid adding mechanism. By carrying and using the device, detection personnel can selectively implement detection operation according to actual requirements, and rapid detection is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a rapid test device applicable to both test strip detection and reagent detection in this embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a rapid test device suitable for performing both strip test and reagent test in this embodiment;
fig. 4 is an enlarged view of a portion B in fig. 3.
In the figure: 1. the test paper packaging device comprises a bottom fixing plate, 2, a fixing column, 21, a shell, 22, a liquid dropping hole, 23, a driving wheel, 230, a rotating handle, 24, a conveying belt, 25, a test paper storage block, 26, a driving wheel, 32, a lower fixing plate, 320, a connecting rod, 33, a liquid outlet cylinder, 34, an elastic bag ball, 35, a liquid inlet pipe, 37, a liquid storage cylinder, 38, a lower fixing plate, 39, an upper fixing plate, 41, a liquid suction cylinder, 42, a piston, 43, a piston rod, 430, a handle part, 44, an outer fixing part, 440, a telescopic hose part, 441, a screw connection fixing part, 442 and a liquid suction nozzle part.
Detailed Description
The embodiment provides a technical scheme:
as shown in fig. 1 to 4, a rapid detection device suitable for performing both test paper detection and reagent detection includes a bottom fixing plate 1, a fixing column 2, a first liquid adding mechanism for adding a liquid detection reagent to a sample to be detected, a second liquid adding mechanism for adding a sample liquid to be detected to a test paper, and a test paper conveying mechanism for accommodating and conveying the test paper; the first liquid adding mechanism comprises a lower fixing plate 32, an upper fixing plate 36, a liquid storage cylinder 37 and a liquid outlet cylinder 33, wherein the lower fixing plate 32 is rotatably connected with the side end of the fixing column 2, the upper fixing plate 36 is positioned above the lower fixing plate 32, two ends of the liquid outlet cylinder 33 are respectively fixed with the upper fixing plate 36 and the lower fixing plate 32, the liquid storage cylinder 37 is communicated with the liquid outlet cylinder 33, and an elastic bag ball 34 for blowing out a detection reagent out of the liquid outlet cylinder 33 is arranged in the middle of the liquid outlet cylinder 33.
As shown in fig. 1, a connecting rod 320 is fixedly disposed above the lower fixing plate 32, a bottom end of the liquid storage cylinder 37 is fixed to an end of the connecting rod 320, which is opposite to the lower fixing plate 32, a side end of the liquid storage cylinder 37 is connected to a side end of the liquid outlet cylinder 33 through an obliquely disposed liquid inlet pipe 35, and the liquid inlet pipe 35 is provided with an opening and closing valve. When it is necessary to add a detection reagent to the sample solution, the open/close valve may be opened, so that the detection reagent in the liquid storage cylinder 37 flows into the liquid outlet cylinder 33. Since the amount of the detection reagent to be dropped is often very small, the detection reagent adhered to the inner wall of the liquid discharge tube 33 can be blown into the sample liquid by pressing the elastic bag ball 34 in order to prevent the detection reagent from staying on the inner wall of the liquid discharge tube 33.
As shown in fig. 3, the second filling mechanism comprises an upper fixing plate 39, a lower fixing plate 38, a liquid suction tube 41, a disposable liquid suction cover and a piston assembly for providing negative pressure power; the upper fixing sheet 39 and the lower fixing sheet 38 are both rotationally connected with the fixing column 2, the upper fixing sheet 39 is positioned above the upper fixing plate 36, and the lower fixing sheet 38 is positioned below the lower fixing plate 32; the two ends of the liquid suction tube 41 are respectively fixed with the upper fixing piece 39 and the lower fixing piece 38, the piston assembly is arranged in the hollow part of the liquid suction tube 41, and the liquid suction sleeve is arranged below the liquid suction tube 41. The liquid outlet cylinder 33 can be adaptively adjusted according to the change of the actual use orientation during the actual use process. The liquid outlet cylinder 33 does not collide with the liquid suction cylinder 41 during rotation.
As shown in fig. 4, the liquid absorbent article includes a tapered liquid suction nozzle portion 442, an inner fitting portion fitted to the inner wall of the liquid suction tube 41, a flexible tube portion 440, an outer fixing portion 44, and a screw fixing portion 441; the piston assembly includes a piston 42; the outer fixing part 44 is fixed with the side end of the inner attaching part, an annular gap matched with the thickness of the liquid suction cylinder 41 is formed between the outer fixing part 44 and the inner attaching part, one end of the telescopic hose part 440 is fixed with one end of the inner attaching part, which is back to the liquid suction nozzle part 442, the other end of the telescopic hose part is fixed with the screw fixing part 441, one end of the screw fixing part 441, which is back to the telescopic hose part 440, is fixed with the piston 42 in a screw manner, and correspondingly, the lower end of the piston 42 is provided with a screw connecting groove matched with the screw fixing part 441. When the tester uses the second liquid adding mechanism to suck one sample, only the liquid absorbing sleeve is contacted with the former sample. At this point, the test person can directly test the next sample solution by replacing the absorbent article. When the piston slides on the inner wall of the liquid suction cylinder 41, the telescopic hose part 440 can be driven to move up and down, and the telescopic hose part 440 is similar to the bending part structure of a suction pipe.
In this embodiment, the piston assembly further comprises a piston rod 43, and the piston rod 43 is fixed to the upper end of the piston 42.
In this embodiment, the end of the piston rod 43 facing away from the piston 42 is provided with a handle 430 for facilitating the application of force by a technician.
As shown in fig. 2 and 3, the test paper delivery mechanism includes a hollow housing 21, a driving wheel 23, a driving wheel 26 and a conveyor belt 24, a dropping hole 22 is formed in the housing 21, the dropping hole 22 is correspondingly located below the liquid suction nozzle portion 442, the driving wheel 23 and the driving wheel 26 are both disposed inside the housing 21, and the driving wheel 23 and the driving wheel 26 are in transmission connection through the conveyor belt 24. When the driving wheel 23 rotates, the driving wheel can drive the conveying belt 24 to rotate, so that the test paper attached to the conveying belt 24 is conveyed to the position below the position corresponding to the dropping hole 22, and at the moment, the dropping liquid of the liquid suction tube 41 is matched, and the whole detection step can be completed.
As shown in fig. 2, the test paper conveying mechanism further includes a test paper storage block 25, the test paper storage block 25 is provided with a holding groove 251 adapted to the embedding of the test paper, the end portion of the bottom fixing plate 1 is provided with a rotation groove, the test paper storage block 25 is rotatably connected with the rotation groove, and the test paper storage block 25 is disposed at the side of the driving wheel 23. When the test paper needs to be added to the conveyor belt 24, the test paper storage block 25 can be pressed to rotate, and the test paper stored on the test paper storage block is attached to the conveyor belt 24 on the driving wheel 23, so that the test paper is adhered to the conveyor belt 24.
In order to further facilitate the attachment of the test strips to the conveyor belt 24, the side of the conveyor belt 24 in contact with the test strips is adhesive, and the conveyor belt 24 is provided with a caulking groove adapted to the insertion of the test strips.
In this embodiment, a handle 230 is provided on the outside of the driving wheel 23 for the technician to rotate. The driving wheel 23 can be driven by various modes, such as a small motor or manual rotation, and the manual rotation is selected in the embodiment, so that the driving wheel has the advantage of being more convenient to use in multiple occasions.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. A quick detection device which can be simultaneously suitable for implementing test paper detection and reagent detection is characterized by comprising a bottom fixing plate (1), a fixing column (2), a first liquid adding mechanism for adding a liquid detection reagent into a sample to be detected, a second liquid adding mechanism for adding a sample liquid to be detected onto detection test paper and a test paper conveying mechanism for accommodating and conveying the detection test paper;
the first liquid adding mechanism comprises a lower fixing plate (32), an upper fixing plate (36), a liquid storage cylinder (37) and a liquid outlet cylinder (33), the lower fixing plate (32) is rotatably connected with the side end of a fixing column (2), the upper fixing plate (36) is rotatably connected with the side end of the fixing column (2), the upper fixing plate (36) is located above the lower fixing plate (32), the two ends of the liquid outlet cylinder (33) are respectively fixed with the upper fixing plate (36) and the lower fixing plate (32), the liquid storage cylinder (37) is communicated with the liquid outlet cylinder (33), and an elastic bag ball (34) for blowing out a detection reagent from the liquid outlet cylinder (33) is arranged in the middle of the liquid outlet cylinder (33).
2. The rapid detection device for performing test paper detection and reagent detection simultaneously as claimed in claim 1, wherein a connecting rod (320) is fixedly disposed above the lower fixing plate (32), a bottom end of the liquid storage cylinder (37) is fixed to an end of the connecting rod (320) opposite to the lower fixing plate (32), side ends of the liquid storage cylinder (37) and the liquid outlet cylinder (33) are connected through an obliquely disposed liquid inlet pipe (35), and the liquid inlet pipe (35) is provided with an open/close valve.
3. The rapid test device applicable to test paper detection and reagent detection simultaneously as claimed in claim 1, wherein the second liquid adding mechanism comprises an upper fixing plate (39), a lower fixing plate (38), a liquid absorbing cylinder (41), a disposable liquid absorbing sleeve and a piston assembly providing negative pressure power;
the upper fixing piece (39) and the lower fixing piece (38) are rotatably connected with the fixing column (2), the upper fixing piece (39) is positioned above the upper fixing plate (36), and the lower fixing piece (38) is positioned below the lower fixing plate (32);
the two ends of the liquid suction barrel (41) are respectively fixed with the upper fixing piece (39) and the lower fixing piece (38), the piston assembly is arranged in the hollow part of the liquid suction barrel (41), and the liquid suction sleeve is arranged below the liquid suction barrel (41).
4. A rapid test device suitable for both strip test and reagent test as claimed in claim 3, wherein the absorbent pad comprises a tapered nozzle portion (442), an inner fitting portion fitting to the inner wall of the absorbent tube (41), a flexible tube portion (440), an outer fixing portion (44), and a screw fixing portion (441);
the piston assembly includes a piston (42);
outer fixed part (44) are fixed mutually with the side of interior portion of pasting, form the annular gap with imbibition section of thick bamboo (41) thickness adaptation between outer fixed part (44) and the interior portion of pasting, the one end of flexible hose portion (440) is fixed mutually with the one end of interior portion of pasting imbibition mouth portion (442) dorsad, and the other end is fixed mutually with spiro union fixed part (441), the one end and piston (42) spiro union of spiro union fixed part (441) flexible hose portion (440) dorsad are fixed, correspondingly, the lower extreme of piston (42) is equipped with the spiro union groove with spiro union fixed part (441) adaptation.
5. A rapid test device suitable for both strip test and reagent test according to claim 4, wherein the piston assembly further comprises a piston rod (43), the piston rod (43) being fixed to the upper end of the piston (42).
6. A rapid test device suitable for carrying out test strips and reagent tests simultaneously according to claim 5, characterized in that the end of the piston rod (43) facing away from the piston (42) is provided with a handle (430) for facilitating the application of force by a technician.
7. The rapid detection device for performing test paper detection and reagent detection simultaneously according to claim 4, wherein the test paper delivery mechanism comprises a hollow housing (21), a driving wheel (23), a driving wheel (26) and a conveyor belt (24), the housing (21) is provided with a dropping hole (22), the dropping hole (22) is correspondingly located below the liquid suction nozzle (442), the driving wheel (23) and the driving wheel (26) are both arranged inside the housing (21), and the driving wheel (23) and the driving wheel (26) are in transmission connection through the conveyor belt (24).
8. The rapid detection device for performing test paper detection and reagent detection simultaneously as claimed in claim 7, wherein the test paper delivery mechanism further includes a test paper storage block (25), the test paper storage block (25) is provided with a receiving groove (251) adapted to be embedded by a test paper, the end of the bottom fixing plate (1) is provided with a rotation groove, the test paper storage block (25) is rotatably connected to the rotation groove, and the test paper storage block (25) is disposed at the side of the driving wheel (23).
9. A rapid test device suitable for both strip and reagent tests according to claim 7, wherein the surface of the belt (24) in contact with the strip is adhesive, and the belt (24) is provided with a groove adapted to receive the strip.
10. The rapid test device for performing test paper test and reagent test simultaneously according to claim 7, wherein the driving wheel (23) is provided with a rotating handle (230) on the outer side for facilitating the rotation of a technician.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911425463.1A CN111077328A (en) | 2019-12-31 | 2019-12-31 | Quick detection device capable of being simultaneously suitable for implementing test paper detection and reagent detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911425463.1A CN111077328A (en) | 2019-12-31 | 2019-12-31 | Quick detection device capable of being simultaneously suitable for implementing test paper detection and reagent detection |
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| CN111077328A true CN111077328A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911425463.1A Pending CN111077328A (en) | 2019-12-31 | 2019-12-31 | Quick detection device capable of being simultaneously suitable for implementing test paper detection and reagent detection |
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Cited By (1)
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| CN112098334A (en) * | 2020-11-18 | 2020-12-18 | 南京仪汇仪器设备有限公司 | Fruit vegetables pesticide residue detection device |
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| CN112098334B (en) * | 2020-11-18 | 2021-09-28 | 广东康信检测科技有限公司 | Fruit vegetables pesticide residue detection device |
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