CN113466159B - Intelligent chemical analyzer capable of avoiding cross contamination - Google Patents
Intelligent chemical analyzer capable of avoiding cross contamination Download PDFInfo
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- CN113466159B CN113466159B CN202111029014.2A CN202111029014A CN113466159B CN 113466159 B CN113466159 B CN 113466159B CN 202111029014 A CN202111029014 A CN 202111029014A CN 113466159 B CN113466159 B CN 113466159B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The invention discloses an intelligent chemical analyzer capable of avoiding cross contamination, and relates to the technical field of chemical analyzers. According to the invention, through the mutual matching of the structures, the analysis process of samples in batches is realized, the measurement and analysis efficiency is greatly improved, the cross infection of the samples is avoided, the cuvettes can be cleaned in batches after the measurement is finished, the labor intensity of operators is reduced, and the problems that the residual liquid in the flow cell can be cleaned and the next batch of samples can be detected and analyzed by the traditional sample chemical analysis method are solved, the analysis efficiency is greatly reduced, and the labor intensity of the operators is improved.
Description
Technical Field
The invention relates to the technical field of chemical analyzers, in particular to an intelligent chemical analyzer capable of avoiding cross contamination.
Background
In the conventional method of chemically analyzing a sample, the sample and a reagent are usually mixed and reacted in a flow cell, and then the mixture of the sample and the reagent is detected and analyzed by a photometer.
The chemical analysis method for the samples has the following problems that firstly, the samples and the reagents are mixed and reacted in the flow cell, after sampling and analysis are carried out, residual liquid in the flow cell needs to be cleaned, and then the next batch of samples can be detected and analyzed, so that the analysis efficiency is greatly reduced, the labor intensity of operators is improved, and the chemical analysis method for the samples is inconvenient in the actual use process.
Disclosure of Invention
The invention aims to provide an intelligent chemical analyzer capable of avoiding cross contamination, which has the advantages that the analysis process of samples in batches is realized, the measurement and analysis efficiency is greatly improved, the cross contamination of the samples is avoided, the cuvettes can be cleaned in batches after the measurement is finished, the labor intensity of operators is reduced, the problem that the residual liquid in a flow cell needs to be cleaned in the traditional sample chemical analysis method, then the detection and analysis of the next batch of samples can be carried out is solved, the analysis efficiency is greatly reduced, and the labor intensity of the operators is improved.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent chemical analyzer capable of avoiding cross contamination comprises an operation box body and a plurality of cuvettes for containing samples, wherein a feeding hole and a discharging hole are formed in the surface of the operation box body;
still include to a plurality of the cell carries out the drip material part of intermittent type formula ration addition reagent, and to the stirring part that sample and reagent carry out intensive mixing in the cell, the inner wall fixed mounting of operation box has analysis appearance and light source part, still includes to wait to detect after the stirring finishes and deposit the buffering part that prevents its secondary sedimentation to the sample.
Optionally, the limiting part comprises a supporting plate, the supporting plate is fixedly installed on the surface of the first ring body, the surface dead axle of the supporting plate is rotatably connected with an installation block, an installation groove is formed in the surface of the installation block, two openings are formed in the surface of the installation block, the installation block is connected with two telescopic rods through opening sliding, the surface of each telescopic rod is fixedly connected with a clamping plate, the shaft arms of the two telescopic rods are respectively sleeved with a first spring, and the back side of the first spring is fixedly connected with the groove wall of the installation groove.
Optionally, the number of the limiting parts is at least six, and the limiting parts are arranged along the surface of the first ring body in an annular array.
Optionally, the stirring part includes a first gear, a first rotating shaft is rotatably connected to the surface of the first gear in a fixed-axis mode, the stirring part further comprises a driving part for driving the first rotating shaft to perform circular motion, a first inner ring is fixedly connected to the inner wall of the first ring body, the surface of the first gear is meshed with the surface of the first inner ring, a second gear is sleeved on the surface of the mounting block, a second ring is fixedly connected to the inner wall of the operation box body, a second inner ring is fixedly connected to the inner wall of the second ring body, and the surface of the second inner ring is meshed with the surface of the second gear.
Optionally, the driving part comprises a supporting column fixed on the inner wall of the operation box body, a motor is fixedly connected to the bottom surface of the supporting column, a rotating plate is fixedly connected to the bottom surface of the motor output shaft, and a rotating shaft is fixedly connected to the end of the rotating plate.
Optionally, the material dripping component comprises a connecting rod and a piston rod, the connecting rod is fixedly connected to the surface of the first gear, the surface of the connecting rod is fixedly connected with a swinging plate, the inner wall of the operation box body is fixedly connected with a second rotating shaft in a rotating mode, the surface of the second rotating shaft is fixedly connected with a swinging block, the swinging block slides along the inner wall of the swinging plate, the surface of the piston rod is hermetically and slidably connected with a barrel body, the barrel body is fixedly connected to the inner wall of the swinging plate, the inner wall of the barrel body is slidably connected with a piston plate, the piston plate is fixedly connected to the surface of the piston rod, the surface of the piston plate and the inner wall of the barrel body are fixedly connected with a second spring, the surface of the barrel body is fixedly provided with a liquid inlet pipe and a liquid outlet pipe, and the pipe walls of the liquid inlet pipe and the liquid outlet pipe are respectively and fixedly provided with a first check valve and a second check valve, the tip fixed mounting of drain pipe has sealed dish, the surperficial dead axle of sealed dish rotates and is connected with the shunt, the reposition of redundant personnel ring chamber has been seted up to the inner wall of shunt, the side-mounting of shunt has the dropping liquid pipe, the fixed surface of commentaries on classics board is connected with the lantern ring, the lantern ring activity is cup jointed the armshaft of dropping liquid pipe, spacing annular has been seted up at the top of shunt, the inner wall sliding connection of spacing annular has the slide, the inner wall fixed mounting of operation box has electric putter, the bottom surface of electric putter pars contractilis with the fixed surface of slide is connected, the confession has been seted up on the surface of shunt the support column passes and sliding connection's through-hole with it.
Optionally, the buffer component includes a placement plate, and the placement plate is fixedly connected to the surface of the swing plate.
Optionally, the surface of the first gear is fixedly connected with a loop bar, the inner wall of the loop bar is fixedly connected with a third spring, the surface of the third spring is fixedly connected with a sliding rod, and the surface of the sliding rod slides along the inner wall of the loop bar.
Optionally, the surface of the mounting plate is provided with a mounting groove.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the installation block performs circular motion and autorotation simultaneously, so that the cuvette further performs synchronous motion, the sample in the cuvette is fully mixed and stirred with the subsequently added reagent, and the accuracy of the detection and analysis result is improved.
According to the invention, the reagent is accurately dripped into the cuvette by the dripping pipe which is always positioned right above the cuvette, and the swinging plate is always staggered with the cuvette when the dripping pipe drips, so that the influence on the dripping is avoided.
In the reaction process, the sample in the cuvette at the last time can be detected and analyzed by operation, the time utilization rate is improved, the analysis efficiency is greatly accelerated, the sample in the cuvette is continuously vibrated through the transverse reciprocating movement and swinging processes of the swinging plate, the sample is prevented from precipitating, and the accuracy of an analysis result is ensured.
And fourthly, knocking the plurality of cuvettes in sequence through the telescopic rods, so that the reaction speed of the samples in the cuvettes is increased.
Drawings
FIG. 1 is an isometric view of a structure of the present invention;
FIG. 2 is a top cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic diagram illustrating the movement of a portion of the structure of FIG. 2 according to the present invention;
FIG. 4 is a front cross-sectional view of the structure of the present invention;
FIG. 5 is a top cross-sectional view of a portion of the structure of FIG. 4 in accordance with the present invention;
FIG. 6 is a front cross-sectional view of a portion of the structure of FIG. 4 in accordance with the present invention;
FIG. 7 is a top cross-sectional view of a portion of the structure of FIG. 2 in accordance with the present invention;
FIG. 8 is an enlarged view of a portion of the structure of FIG. 2 in accordance with the present invention;
FIG. 9 is an enlarged view of the structure of FIG. 4 at A in accordance with the present invention;
FIG. 10 is a cross-sectional view of the loop bar, spring three and telescoping bar configuration of the present invention;
fig. 11 is a schematic diagram of a movement state of a part of the structure shown in fig. 3 according to the present invention.
In the figure: 1. operating the box body; 2. a feed inlet; 3. a discharge port; 4. a first ring body; 5. a cuvette; 6. an analyzer; 7. a light source part; 8. a support plate; 9. mounting blocks; 10. mounting grooves; 11. a telescopic rod; 12. a clamping plate; 13. a first spring; 14. a first gear; 15. a first rotating shaft; 16. an inner gear ring I; 17. a second gear; 18. a second ring body; 19. a second inner gear ring; 20. a support pillar; 21. a motor; 22. rotating the plate; 23. a connecting rod; 24. a swing plate; 25. a second rotating shaft; 26. a swing block; 27. a piston rod; 28. a barrel; 29. a piston plate; 30. a second spring; 31. a liquid inlet pipe; 32. a liquid outlet pipe; 33. sealing the disc; 34. a flow divider; 35. a shunt ring cavity; 36. a dropping tube; 37. a collar; 38. a limiting ring groove; 39. a slide plate; 40. an electric push rod; 41. placing a plate; 42. a loop bar; 43. a third spring; 44. a slide bar; 45. and (5) placing the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 11, the present invention provides a technical solution: an intelligent chemical analyzer capable of avoiding cross contamination comprises an operation box body 1 and a plurality of cuvettes 5 used for containing samples, wherein the surface of the operation box body 1 is provided with a feeding hole 2 and a discharging hole 3, the bottom surface of the inner wall of the operation box body 1 is fixedly and rotatably connected with a first ring body 4, and the surface of the first ring body 4 is provided with a limiting part used for fixing the plurality of cuvettes 5;
the device comprises a plurality of cuvettes 5, a dripping component for intermittently and quantitatively adding reagents to the cuvettes 5, and a stirring component for fully mixing the samples and the reagents in the cuvettes 5, wherein an analyzer 6 and a light source component 7 are fixedly arranged on the inner wall of an operation box body 1, a light emitting source of the light source component 7 faces the cuvettes 5, a plurality of light filters are arranged between the light source component 7 and the cuvettes 5, the light source comprises a three-primary-color fluorescent lamp, an LED lamp, a cathode tube lamp, a laser and the like, the analyzer 6 is a 24-bit high-precision digital detector, the device further comprises a buffer component for storing the samples to be detected after stirring and preventing the samples from being deposited again, an operator firstly puts the cuvettes 5 with the samples into the operation box body 1 through a feed inlet 2, intermittently and quantitatively adds the reagents to the cuvettes 5 through the dripping component, and fully mixes and reacts the reagents in the cuvettes 5 with the samples through the stirring component, then place the cell 5 after the completion of mixing on buffer unit, send into next batch sample and carry out dropwise add reagent and stirring, open light source unit 7 simultaneously and shine the cell 5 after the completion of mixing to scan cell 5 through analysis appearance 6 and obtain the analysis result, through the above-mentioned process, realized carrying out the analytic process of sample in batches, improved measurement and analysis efficiency greatly, avoid sample cross infection, measurable quantity washs cell 5 in batches after finishing, operating personnel's intensity of labour has been reduced.
In order to ensure the spacing stability of the cuvette 5 and facilitate the normal operation of the subsequent detection and analysis process, further, the spacing component comprises a support plate 8, the support plate 8 is fixedly installed on the surface of the first ring body 4, the surface of the support plate 8 is connected with an installation block 9 in a fixed-axis rotating manner, the surface of the installation block 9 is provided with an installation groove 10, the surface of the installation block 9 is provided with two openings, the installation block 9 is connected with two telescopic rods 11 in a sliding manner through the openings, the surfaces of the two telescopic rods 11 are both fixedly connected with clamping plates 12, shaft arms of the two telescopic rods 11 are both sleeved with springs 13, opposite sides of the two springs 13 are both fixedly connected with groove walls of the installation groove 10, an operator places the cuvette 5 between the two clamping plates 12, the two clamping plates 12 are respectively abutted against two sides of the cuvette 5 through the elastic force of the two springs 13, and the spacing stability of the cuvette 5 is ensured, the subsequent detection and analysis process can be conveniently and normally carried out.
In order to simultaneously add the reagent to the plurality of cuvettes 5 and stir, further, the number of the limiting parts is at least six, and the limiting parts are arranged along the surface of the first ring body 4 in an annular array.
In order to fully mix and stir the sample in the cuvette 5 and the subsequently added reagent and improve the accuracy of the detection and analysis result, the stirring part comprises a first gear 14, a first rotating shaft 15 is fixedly and rotatably connected to the surface of the first gear 14, the stirring part further comprises a driving part for driving the first rotating shaft 15 to perform circular motion, a first internal gear ring 16 is fixedly connected to the inner wall of the first ring body 4, the surface of the first gear 14 is meshed with the surface of the first internal gear ring 16, a second gear 17 is fixedly sleeved on the surface of the mounting block 9, a second ring body 18 is fixedly connected to the inner wall of the operation box body 1, a second internal gear ring 19 is fixedly connected to the inner wall of the second ring body 18, the surface of the second internal gear ring 19 is meshed with the surface of the second gear 17, the first gear 14 performs circular motion along the surface of the first internal gear ring 16 through the process of the first rotating shaft 15, so as to drive the first ring body 4 to perform circular motion, and then make installation piece 9 carry out circular motion, installation piece 9 carries out circular motion's process, drives gear two 17 and carries out circular motion along the surface of internal gear ring two 19 to carry out the rotation when making installation piece 9 carry out circular motion, cell 5 and then carry out synchronous motion, make its inside sample and the reagent of follow-up interpolation carry out the intensive mixing stirring, improved the accuracy nature of detection and analysis result.
Further, the drive part is including fixing the support column 20 at operation box 1 inner wall, the bottom surface fixedly connected with motor 21 of support column 20, the bottom surface fixedly connected with commentaries on classics board 22 of motor 21 output shaft, and a 15 fixed connections of pivot are at the tip of commentaries on classics board 22, and through starter motor 21, motor 21 output shaft rotates and drives grip block 12 and rotate to make a pivot 15 carry out circular motion.
In order to ensure that the sample and the reagent react fully and simultaneously accelerate the dripping efficiency, further, the dripping component comprises a connecting rod 23 and a piston rod 27, the connecting rod 23 is fixedly connected on the surface of the first gear 14, the surface of the connecting rod 23 is fixedly connected with a swinging plate 24, the inner wall of the operation box body 1 is fixedly connected with a second rotating shaft 25 in a rotating mode, the surface of the second rotating shaft 25 is fixedly connected with a swinging block 26, the swinging block 26 slides along the inner wall of the swinging plate 24, the surface of the piston rod 27 is connected with a cylinder body 28 in a sealing and sliding mode, the cylinder body 28 is fixedly connected on the inner wall of the swinging plate 24, the inner wall of the cylinder body 28 is connected with a piston plate 29 in a sliding mode, the piston plate 29 is fixedly connected on the surface of the piston rod 27, the surface of the piston plate 29 and the inner wall of the cylinder body 28 are fixedly connected with a second spring 30, the surface of the cylinder body 28 is fixedly provided with a liquid inlet pipe 31 and a liquid outlet pipe 32, the pipe walls of the liquid inlet pipe 31 and the liquid outlet pipe 32 are respectively and fixedly provided with a first check valve and a second check valve, the first one-way valve allows an external reagent to enter the barrel body 28 through the liquid inlet pipe 31, the second one-way valve allows the reagent in the barrel body 28 to flow out through the liquid outlet pipe 32, the end part of the liquid outlet pipe 32 is fixedly provided with a sealing disc 33, the surface of the sealing disc 33 is fixedly connected with a shunt 34 in a fixed-axis rotating mode, the inner wall of the shunt 34 is provided with a shunt ring cavity 35, the side surface of the shunt 34 is provided with a liquid dropping pipe 36, the surface of the rotating plate 22 is fixedly connected with a lantern ring 37, the lantern ring 37 is movably sleeved on a shaft arm of the liquid dropping pipe 36, the top of the shunt 34 is provided with a limiting ring groove 38, the inner wall of the limiting ring groove 38 is connected with a sliding plate 39 in a sliding mode, the inner wall of the operation box body 1 is fixedly provided with an electric push rod 40, the bottom surface of a telescopic part of the electric push rod 40 is fixedly connected with the surface of the sliding plate 39, the surface of the shunt 34 is provided with a through hole through which the support column 20 is in a sliding mode, and the oscillating plate 24 is driven to transversely reciprocate along the surface of the oscillating block 26 through the process that the first gear 14 performs circular motion along the surface of the first inner ring 16 The reagent box swings back and forth while sliding, as shown in fig. 2 to fig. 3, the surface of the swing block pushes the piston rod 27 through the horizontal reciprocating process of the swing plate 24, the piston rod 27 pulls the spring II 30 to push the piston plate 29 to slide, when the piston rod 27 is separated from the swing plate 24, the piston plate 29 slides reversely under the elastic force of the spring II 30 to restore the initial state, so that the external reagent enters the cylinder 28 through the liquid inlet pipe 31 and enters the shunting ring cavity 35 through the liquid outlet pipe 32 to be dripped into the plurality of cuvettes 5 through the dripping pipe 36 for reaction through the horizontal reciprocating sliding process of the piston plate 29 and matching with the check valve I and the check valve II, and simultaneously the cuvettes 5 and the dripping pipe 36 are driven to rotate synchronously through the rotation process of the rotation plate 22, so that the dripping pipe 36 is always positioned right above the cuvettes 5, and the reagent is accurately dripped into the cuvettes 5, and 36 drippings of dropping liquid pipe, swing board 24 misplaces with cell 5 all the time, avoids causing the influence to the dropping liquid, through repeating above-mentioned process, can realize carrying out intermittent type formula ration to a plurality of cells 5 and add reagent, has accelerated the drippings efficiency when having guaranteed that sample and reagent carry out the abundant reaction.
In order to prevent the sample from precipitating and ensure the accuracy of the analysis result, furthermore, the buffer component comprises a placing plate 41, the placing plate 41 is fixedly connected to the surface of the swinging plate 24, after the sample in the cuvette 5 in the mounting groove 10 is reacted, an operator takes down the cuvette 5 and places the cuvette 5 on the placing plate 41, and places a new cuvette 5 in the mounting groove 10 again in a reverse direction, in the reaction process, the operation can detect and analyze the sample in the cuvette 5 last time, the time utilization rate is improved, the analysis efficiency is greatly accelerated, and the sample in the cuvette 5 is continuously vibrated through the transverse reciprocating movement and swinging process of the swinging plate 24, the sample precipitation is prevented, and the accuracy of the analysis result is ensured.
In order to knock a plurality of cuvettes 5 in sequence and accelerate the reaction speed of samples in the cuvettes 5, further, a loop bar 42 is fixedly connected to the surface of the first gear 14, a third spring 43 is fixedly connected to the inner wall of the loop bar 42, a sliding bar 44 is fixedly connected to the surface of the third spring 43, the surface of the sliding bar 44 slides along the inner wall of the loop bar 42, as shown in fig. 11 to fig. 3, and from the state shown in fig. 3 to fig. 2, the first gear 14 performs a circular motion process along the surface of the first inner gear ring 16, in the state shown in fig. 11, the first gear 14 does not rotate relative to the first inner gear ring 16, the position on the left side of the swing plate 24 gradually precedes the position on the right end of the swing plate 24 along with the continuous displacement of the first gear 14, in this process, the swing plate 24 drives the first gear 14 to rotate around the second rotating shaft 25 in a small amplitude, and drives the sliding bar 44 to knock the surface of the mounting block 9, so that the cuvettes 5 vibrate, the reaction rate of sample in the cell 5 has been accelerated, through the rotation process of a gear 14 for the moving speed of a gear 14 in an interior ring gear 16 is accelerated, thereby makes slide bar 44 wholly misplace with current cell 5, repeats above-mentioned process, can make slide bar 44 strike a plurality of cells 5 in proper order, has accelerated the reaction rate of sample in the cell 5.
In order to prevent the cuvettes 5 from falling off the surface of the seating plate 41, a seating groove 45 is further opened on the surface of the seating plate 41.
The working principle is as follows: when the intelligent chemical analyzer capable of avoiding cross contamination is used, an operator firstly puts a plurality of cuvettes 5 filled with samples into the operation box body 1 through the feed inlet 2, the reagents are added into the plurality of cuvettes 5 in an intermittent and quantitative mode through the dripping part, the reagents in the cuvettes 5 are fully mixed and reacted with the samples through the stirring part, then placing the cuvette 5 after mixing on a buffer part, feeding the next batch of samples to dropwise add reagents and stir, meanwhile, the light source part 7 is turned on to irradiate the cuvette 5 after the mixing is finished, the cuvette 5 is scanned by the analyzer 6 to obtain an analysis result, through the process, the analysis process of samples in batches is realized, the measurement and analysis efficiency is greatly improved, the cross infection of the samples is avoided, the cuvette 5 can be cleaned in batches after the measurement is finished, and the labor intensity of operators is reduced.
The operating personnel makes two grip blocks 12 butt respectively in the both sides of cell 5 through placing cell 5 between two grip blocks 12, the elastic force through two springs 13, has guaranteed the spacing stability of cell 5, and the follow-up detection and analysis process of being convenient for normally goes on.
Through starter motor 21, motor 21 output shaft rotates and drives grip block 12 and rotate, thereby make a pivot 15 carry out circular motion, the process of carrying out circular motion through a pivot 15 makes a gear 14 carry out circular motion along the surface of an interior ring gear 16, thereby it carries out circular motion to drive first ring body 4, and then make installation piece 9 carry out circular motion, installation piece 9 carries out circular motion's process, it carries out circular motion to drive two 17 surfaces along two 19 of interior ring gears of gear, thereby make installation piece 9 carry out the rotation when circular motion, cell 5 and then carry out synchronous motion, make its inside sample carry out the intensive mixing stirring with the reagent of follow-up interpolation, the accuracy nature of detection and analysis result has been improved.
The oscillating plate 24 is driven to oscillate back and forth along the surface of the oscillating block 26 while sliding back and forth along the surface of the inner ring gear 16 through the process of the circular motion of the first gear 14, as shown in fig. 2 to the state shown in fig. 3, the surface of the oscillating block pushes the piston rod 27 through the process of the horizontal reciprocating motion of the oscillating plate 24, the piston rod 27 pulls the second spring 30 to push the piston plate 29 to slide, when the piston rod 27 is separated from the oscillating plate 24, the piston plate 29 slides back and forth under the elastic force of the second spring 30 to recover the initial state, so that the external reagent enters the cylinder 28 through the liquid inlet pipe 31, enters the shunting ring cavity 35 through the liquid outlet pipe 32 to be shunted, and then drops into the plurality of cuvettes 5 through the dropping pipe 36 to react, and simultaneously drives the cuvettes 5 and the dropping pipe 36 to rotate synchronously through the rotating process of the rotating plate 22, make the dropping liquid pipe 36 be in the cell 5 directly over all the time to in dripping into the cell 5 with the reagent accuracy, and during 36 drips of dropping liquid pipe, swing board 24 misplaces with cell 5 all the time, avoids causing the influence to the dropping liquid, through the repeated above-mentioned process, can realize carrying out intermittent type formula ration to a plurality of cells 5 and add reagent, accelerated the drip efficiency when having guaranteed that sample and reagent carry out the abundant reaction.
Sample reaction finishes the back in the cell 5 through in the mounting groove 10, operating personnel takes off cell 5 and places in the arrangement groove 45 on the arrangement board 41, and put into mounting groove 10 with new cell 5 again in reverse, at the in-process of above-mentioned reaction, the operation can carry out the detection and analysis to the sample in the cell 5 of last time, time utilization is improved, greatly accelerated the analysis efficiency, and the horizontal reciprocating motion and the wobbling process through swing board 24, continuously vibrate the sample in the cell 5, prevent that the sample from deposiing, the accuracy of analysis result has been guaranteed.
Referring to fig. 11 to 3, and from the state shown in fig. 3 to 2, in the state shown in fig. 11, the first gear 14 does not rotate relative to the first inner gear 16, and as the first gear 14 continues to move, the position on the left side of the swing plate 24 gradually moves forward of the position on the right end of the swing plate 24, in this process, the swing plate 24 drives the first gear 14 to rotate around the second shaft 25 in a small range, and drives the sliding rod 44 to strike the surface of the mounting block 9, so that the cuvette 5 oscillates, the reaction speed of the sample in the cuvette 5 is increased, the moving speed of the first gear 14 in the first inner gear 16 is increased through the rotating process of the first gear 14, and thus the sliding rod 44 is integrally misaligned with the current cuvette 5, and the above processes are repeated, so that the sliding rod 44 strikes the plurality of cuvettes 5 in sequence, the reaction speed of the sample in the cuvette 5 is accelerated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a can avoid cross contamination's intelligent chemical analysis appearance, includes operation box (1) and a plurality of cell (5) that are used for holding the sample, its characterized in that: the surface of the operation box body (1) is provided with a feeding hole (2) and a discharging hole (3), the bottom surface of the inner wall of the operation box body (1) is in fixed-axis rotary connection with a first ring body (4), and the surface of the first ring body (4) is provided with a limiting component for fixing a plurality of cuvettes (5);
the device comprises a plurality of cuvettes (5), a stirring component and a buffer component, wherein the plurality of cuvettes (5) are subjected to intermittent quantitative reagent adding, the stirring component is used for fully mixing samples and reagents in the cuvettes (5), an analyzer (6) and a light source component (7) are fixedly arranged on the inner wall of an operation box body (1), and the buffer component is used for storing the samples to be detected after stirring and preventing the samples to be detected from precipitating again; the limiting component comprises a supporting plate (8), the supporting plate (8) is fixedly installed on the surface of the first ring body (4), the surface of the supporting plate (8) is fixedly axially and rotatably connected with an installation block (9), an installation groove (10) is formed in the surface of the installation block (9), two openings are formed in the surface of the installation block (9), the installation block (9) is connected with two telescopic rods (11) and two telescopic rods (11) through opening sliding, the surface of each telescopic rod (11) is fixedly connected with a clamping plate (12) and two spring I (13) are sleeved on an axial arm of each telescopic rod (11), and the back side of each spring I (13) is fixedly connected with the groove wall of the installation groove (10).
2. The intelligent chemical analyzer capable of avoiding cross contamination according to claim 1, wherein: the number of the limiting parts is at least six, and the limiting parts are arranged in an annular array along the surface of the first ring body (4).
3. The intelligent chemical analyzer capable of avoiding cross contamination according to claim 1 or 2, wherein: the stirring part comprises a first gear (14), a first rotating shaft (15) is rotationally connected to the surface of the first gear (14) in a fixed-axis mode, the stirring part further comprises a driving part, the first rotating shaft (15) is driven to perform circular motion, a first inner ring body (16) is fixedly connected to the inner wall of the first ring body (4), the surface of the first gear (14) is meshed with the surface of the first inner ring body (16), a second gear (17) is sleeved on the surface of the mounting block (9), a second inner ring body (18) is fixedly connected to the inner wall of the operation box body (1), a second inner ring body (19) is fixedly connected to the inner wall of the second ring body (18), and the surface of the second inner ring body (19) is meshed with the surface of the second gear (17).
4. The intelligent chemical analyzer capable of avoiding cross contamination according to claim 3, wherein: the driving part comprises a supporting column (20) fixed on the inner wall of the operation box body (1), a motor (21) is fixedly connected to the bottom surface of the supporting column (20), a rotating plate (22) is fixedly connected to the bottom surface of an output shaft of the motor (21), and a rotating shaft I (15) is fixedly connected to the end portion of the rotating plate (22).
5. The intelligent chemical analyzer capable of avoiding cross contamination according to claim 4, wherein: the material dripping component comprises a connecting rod (23) and a piston rod (27), the connecting rod (23) is fixedly connected to the surface of the first gear (14), the surface of the connecting rod (23) is fixedly connected with a swinging plate (24), the inner wall of the operation box body (1) is fixedly connected with a second rotating shaft (25), the surface of the second rotating shaft (25) is fixedly connected with a swinging block (26), the swinging block (26) slides along the inner wall of the swinging plate (24), the surface of the piston rod (27) is slidably connected with a cylinder body (28), the cylinder body (28) is fixedly connected to the inner wall of the swinging plate (24), the inner wall of the cylinder body (28) is slidably connected with a piston plate (29), the piston plate (29) is fixedly connected to the surface of the piston rod (27), the surface of the piston plate (29) and the inner wall of the cylinder body (28) are fixedly connected with a second spring (30) together, the fixed surface of barrel (28) installs feed liquor pipe (31) and drain pipe (32), the pipe wall difference fixed mounting of feed liquor pipe (31) and drain pipe (32) has check valve one and check valve two, the tip fixed mounting of drain pipe (32) has sealed dish (33), the fixed axle rotation in surface of sealed dish (33) is connected with shunt (34), reposition of redundant personnel ring chamber (35) have been seted up to the inner wall of shunt (34), the side-mounting of shunt (34) has dropping liquid pipe (36), the fixed surface of commentaries on classics board (22) is connected with lantern ring (37), lantern ring (37) activity cup joints the arbor of dropping liquid pipe (36), spacing annular (38) have been seted up at the top of shunt (34), the inner wall sliding connection of spacing annular (38) has slide (39), the inner wall fixed mounting of operation box (1) has electric putter (40), the bottom surface of the telescopic part of the electric push rod (40) is fixedly connected with the surface of the sliding plate (39), and the surface of the shunt (34) is provided with a through hole for the support column (20) to pass through and be in sliding connection with.
6. The intelligent chemical analyzer capable of avoiding cross contamination according to claim 5, wherein: the buffer component comprises a placing plate (41), and the placing plate (41) is fixedly connected to the surface of the swinging plate (24).
7. The intelligent chemical analyzer capable of avoiding cross contamination according to claim 3, wherein: the surface of the first gear (14) is fixedly connected with a sleeve rod (42), the inner wall of the sleeve rod (42) is fixedly connected with a third spring (43), the surface of the third spring (43) is fixedly connected with a sliding rod (44), and the surface of the sliding rod (44) slides along the inner wall of the sleeve rod (42).
8. The intelligent chemical analyzer capable of avoiding cross contamination according to claim 6, wherein: the surface of the placing plate (41) is provided with a placing groove (45).
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