CN115524432B - Chromatographic analyzer intelligent sample separation system - Google Patents
Chromatographic analyzer intelligent sample separation system Download PDFInfo
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- CN115524432B CN115524432B CN202211159053.9A CN202211159053A CN115524432B CN 115524432 B CN115524432 B CN 115524432B CN 202211159053 A CN202211159053 A CN 202211159053A CN 115524432 B CN115524432 B CN 115524432B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N2030/065—Preparation using different phases to separate parts of sample
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The application discloses an intelligent sample separating system of a chromatographic analyzer, which comprises a separating column, a liquid inlet nozzle fixed on the outer side of the separating column, a base and a top plate which are connected through a support column, wherein support legs are arranged on the base, and a sleeve is fixed on the base. According to the application, the motor drives the rotating column to rotate, the separating column is fixed with the connecting cover through the connecting piece after being positioned at the bottom of the connecting cover, the piston rod moves back and forth under the action of the roller and the spring in the process of driving the eccentric turntable to rotate by the motor I, the pressurizing cylinder pressurizes the inside of the separating column under the action of the one-way valve I and the one-way valve II so as to realize quick separation, and the air pressure inside the separating column can be accurately controlled under the action of the air pressure sensor and the controller.
Description
Technical Field
The application relates to the technical field of chromatographic analysis, in particular to an intelligent sample separation system of a chromatographic analyzer.
Background
The liquid chromatographic separation technology is used for effectively separating a mixture sample with various components, and the core component of the liquid chromatographic separation technology is a liquid chromatographic separation column. The separation principle is that the mixture sample is dissolved in a mobile phase and flows through the stationary phase adsorbent filled in the chromatographic separation column at a certain speed, and the mixed components flow through the stationary phase adsorbent at different speeds because the adsorption force of the stationary phase adsorbent to different components is different, so that the separation purpose is achieved.
After the chromatographic separation column is used once, if the chromatographic separation column needs to be reused, a new stationary phase adsorbent needs to be replaced, so that the operation is troublesome, the efficiency is low, and the physical health of operators is influenced. In order to improve the working efficiency and reduce the harm of the powdery stationary phase adsorbent to the human health, disposable prefilled chromatographic separation columns have been increasingly used in recent years.
The chromatographic separation column needs to be pressurized in the separation process, and the pressurizing mode in the prior art is usually a manual continuous pressurizing ball, so that the efficiency of the pressurizing mode is low, the labor capacity is high, and the pressure inside the chromatographic column cannot be controlled.
Therefore, a chromatographic analyzer intelligent sample separation system is provided.
Disclosure of Invention
The application aims at: in order to solve the problems, a chromatographic analyzer intelligent sample separation system is provided.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the utility model provides a chromatographic analyzer intelligence separation sample system, includes the separation post and fixes the feed liquor mouth in the separation post outside, still includes base and the roof that is connected through the pillar, install the stabilizer blade on the base, be fixed with the sleeve on the base, and run through in the sleeve and have the rotation post, install drive rotation post pivoted motor two on the base, be fixed with a plurality of linking arms on the outer wall of rotation post, a plurality of linking arm's tip all forms the go-between of cover and establishes the go-between in the separation post outside, the shaping has the guide way on the go-between inner wall, the shaping has the flange with the go-between looks adaptation on the separation post outer wall, be equipped with the setting element to the separation post is fixed on the linking arm;
the top plate is provided with a pressurizing cylinder, the end part of the pressurizing cylinder penetrates through a piston rod, the pressurizing cylinder is communicated with a connecting cover through a communicating pipe and a hose, the connecting cover is fixed with a separation column through a connecting piece, the pressurizing cylinder is provided with a second check valve, the communicating pipe is provided with a first check valve, and the top plate is provided with a driving piece for driving the piston rod to reciprocate;
the inner wall of the connecting cover is provided with an air pressure sensor, and the support column is provided with a controller.
Preferably, the locating piece comprises a push rod penetrating through the connecting arm, a spring II and a vertical plate are arranged at the end part of the push rod, a notch is formed in the push rod, a groove is formed in the connecting arm, and the connecting arm is provided with a limiting piece which acts on the notch and the groove and fixes the push rod.
Preferably, the limiting piece comprises a rotating arm arranged on the connecting arm, and a positioning block matched with the notch and the groove is formed on the rotating arm.
Preferably, the upper surface wall of the connecting arm is provided with a bulge, the bulge is provided with a connecting groove, the top of the rotating arm is slidably connected with a connecting pin through a T-shaped groove, and the connecting pin is attracted with the inner wall of the connecting groove through magnetism.
Preferably, the driving piece comprises a connecting block fixed on the piston rod, a third spring is arranged between the connecting block and the pressurizing cylinder, a roller is installed at the bottom of the connecting block, an eccentric rotary disc with an inner wall being abutted against the roller is installed on the top plate, and a first motor is installed on the top plate.
Preferably, a guide sleeve sleeved outside the piston rod is fixed on the top plate.
Preferably, the connecting piece comprises an arc-shaped block formed on the outer wall of the separation column, a lug is formed at the bottom of the connecting cover, and an arc-shaped groove matched with the arc-shaped block is formed in the lug.
Preferably, a pull rod penetrates through the top plate, a positioning pin and a first spring are arranged at the end part of the pull rod, and a positioning groove matched with the positioning pin is formed in the outer wall of the connecting cover.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
according to the application, the motor drives the rotating column to rotate, the separating column is fixed with the connecting cover through the connecting piece after being positioned at the bottom of the connecting cover, the piston rod moves back and forth under the action of the roller and the spring in the process of driving the eccentric turntable to rotate by the motor I, the pressurizing cylinder pressurizes the inside of the separating column under the action of the one-way valve I and the one-way valve II so as to realize quick separation, and the air pressure inside the separating column can be accurately controlled under the action of the air pressure sensor and the controller.
Drawings
Fig. 1 shows a schematic perspective view of the system according to an embodiment of the present application;
FIG. 2 shows a schematic bottom view of the system according to an embodiment of the application;
fig. 3 shows a schematic diagram of a connecting arm structure according to an embodiment of the present application;
fig. 4 shows a schematic diagram of an explosive structure of a push rod and a connecting arm according to an embodiment of the present application;
fig. 5 shows a schematic bottom view of a connection cover according to an embodiment of the present application;
fig. 6 shows a schematic diagram of a partial enlarged structure of fig. 1 according to an embodiment of the present application.
Legend description:
1. a base; 2. a separation column; 3. a sleeve; 4. rotating the column; 5. a guide bar; 6. a connecting arm; 7. a liquid inlet nozzle; 8. a connecting ring; 9. a flange; 10. an arc-shaped block; 11. a connection cover; 12. a positioning pin; 13. a first spring; 14. a hose; 15. a support post; 16. a top plate; 17. a pull rod; 18. a guide sleeve; 19. a piston rod; 20. a support leg; 21. a controller; 22. a first motor; 23. a second motor; 24. a guide groove; 25. a positioning block; 26. a vertical plate; 27. a rotating arm; 28. a T-shaped groove; 29. a connecting pin; 30. a second spring; 31. a push rod; 32. a notch; 33. a groove; 34. a protrusion; 35. a connecting groove; 36. a positioning groove; 37. an arc-shaped groove; 38. an air pressure sensor; 39. a bump; 40. a first check valve; 41. a connecting block; 42. a roller; 43. a third spring; 44. an eccentric turntable; 45. a second check valve; 46. a communicating pipe; 47. and a pressurizing cylinder.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-6, the present application provides a technical solution:
the utility model provides a chromatographic analyzer intelligence separation sample system, including separating post 2 and fix the feed liquor mouth 7 in separating post 2 outside, still include the base 1 and roof 16 that are connected through pillar 15, install stabilizer blade 20 on the base 1, be fixed with sleeve 3 on the base 1, run through in the sleeve 3 and have the rotation post 4, rotation post 4 and sleeve 3 pass through the bearing and rotate and be connected, install the motor second 23 that drives rotation post 4 pivoted on the base 1, be fixed with a plurality of linking arm 6 on the outer wall of rotation post 4, the tip of a plurality of linking arm 6 all forms and overlaps and establishes the go-between 8 in separating post 2 outside, the shaping has guide way 24 on the go-between 8 inner wall, the shaping has flange 9 with go-between 8 looks adaptation on the outer wall of separating post 2, guide way 5 and guide way 24 cooperate, can avoid separating post 2 and go-between 8 to take place relative rotation, be equipped with the setting element fixed to separating post 2 on linking arm 6, the setting up of a plurality of separating posts 2, in the course of carrying out, the experiment 2 has been repeatedly removed and can be removed after the experiment effectively after the experimental column has been done;
the top plate 16 is provided with a pressurizing cylinder 47, the end part of the pressurizing cylinder 47 penetrates through a piston rod 19, the piston rod 19 stretches into the pressurizing cylinder 47 and is internally provided with a piston sheet, the pressurizing cylinder 47 is communicated with a connecting cover 11 through a communicating pipe 46 and a hose 14, the hose 14 ensures that the connecting cover 11 can move, the connecting cover 11 and a separation column 2 are fixed through a connecting piece, the pressurizing cylinder 47 is provided with a second one-way valve 45, external gas can enter the pressurizing cylinder 47 through the second one-way valve 45, the communicating pipe 46 is provided with a first one-way valve 40, the first one-way valve 40 is used for avoiding gas backflow, and the top plate 16 is provided with a driving piece for driving the piston rod 19 to reciprocate;
the inner wall of the connecting cover 11 is provided with an air pressure sensor 38, the support 15 is provided with a controller 21, the output end of the air pressure sensor 38 is electrically connected with the input end of the controller 21, and the output end of the controller 21 is electrically connected with the input ends of the first motor 22 and the second motor 23.
Specifically, as shown in fig. 1, 3 and 4, the positioning piece comprises a push rod 31 penetrating through the connecting arm 6, the push rod 31 is in sliding fit with the connecting arm 6, a second spring 30 and a vertical plate 26 are arranged at the end part of the push rod 31, the vertical plate 26 is fixed at the end part of the push rod 31, the second spring 30 is sleeved outside the push rod 31, two ends of the second spring 30 are respectively abutted against the vertical plate 26 and the end part of the connecting arm 6, a notch 32 is arranged on the push rod 31, a groove 33 is arranged on the connecting arm 6, and the connecting arm 6 is provided with a limiting piece which acts on the notch 32 and the groove 33 and fixes the push rod 31;
the limiting piece comprises a rotating arm 27 arranged on the connecting arm 6, the rotating arm 27 is connected with the connecting arm 6 through a pin shaft, a positioning block 25 matched with the notch 32 and the groove 33 is formed on the rotating arm 27, the positioning block 25, the notch 32 and the groove 33 are arc-shaped and are arranged at the center of the circle, after the ejector rod 31 clamps the separation column 2, the positioning block 25 slides into the notch 32 and the groove 33 in the process of following the rotation of the rotating arm 27, and the ejector rod 31 can be limited, so that the ejector rod 31 continuously clamps the separation column 2;
the upper surface wall shaping of linking arm 6 has protruding 34, and has spread groove 35 on the protruding 34, there is connecting pin 29 at the top of rotor arm 27 through T-shaped groove 28 sliding connection, T-shaped groove 28 and connecting pin 29 cross-section are the T shape setting, make connecting pin 29 can only carry out the relative slip with rotor arm 27, connecting pin 29 and the inner wall of spread groove 35 are through magnetism looks actuation, in connecting pin 29 inserts spread groove 35, can carry out the spacing to rotor arm 27, avoid rotor arm 27 to take place the rotation because of receiving external force, avoid locating piece 25 to deviate from in recess 33 and the breach 32.
Specifically, as shown in fig. 1, 2 and 5, the driving member includes a connection block 41 fixed on the piston rod 19, a third spring 43 is arranged between the connection block 41 and the pressurizing cylinder 47, the third spring 43 is sleeved outside the piston rod 19, two ends of the third spring 43 are respectively abutted against the connection block 41 and the pressurizing cylinder 47, a roller 42 is installed at the bottom of the connection block 41, an eccentric turntable 44 with an inner wall abutted against the roller 42 is installed on the top plate 16, a first motor 22 is installed on the top plate 16, the first motor 22 is used for driving the eccentric turntable 44 to rotate, and the roller 42 rotates in the process that the first motor 22 drives the eccentric turntable 44 to rotate, and the roller 42 drives the piston rod 19 to reciprocate through the connection block 41;
a guide sleeve 18 sleeved outside a piston rod 19 is fixed on the top plate 16, and the guide sleeve 18 is in sliding fit with the piston rod 19 to prevent the piston rod 19 from shifting and improve stability.
Specifically, as shown in fig. 1 and fig. 4, the connecting piece comprises an arc-shaped block 10 formed on the outer wall of the separation column 2, a protruding block 39 is formed at the bottom of the connecting cover 11, an arc-shaped groove 37 matched with the arc-shaped block 10 is formed on the protruding block 39, one side of the arc-shaped groove 37 is opened, the arc-shaped groove 37 and the arc-shaped block 10 are concentric, the arc-shaped block 10 can slide into the inside of the arc-shaped groove 37 through the opening of the arc-shaped groove 37, and after the arc-shaped block 10 is connected with the arc-shaped groove 37, the upper surface wall of the separation column 2 is abutted against the inner wall of the connecting cover 11 for sealing between the connecting cover 11 and the separation column 2;
the pull rod 17 penetrates through the top plate 16, the positioning pin 12 and the first spring 13 are arranged at the end part of the pull rod 17, the positioning groove 36 matched with the positioning pin 12 is formed in the outer wall of the connecting cover 11, the positioning pin 12 is fixed at the end part of the pull rod 17, the first spring 13 is sleeved outside the pull rod 17, the two ends of the first spring 13 are respectively abutted against the positioning pin 12 and the top plate 16, the positioning pin 12 moves downwards under the action of the first spring 13, and after the positioning pin 12 is connected with the positioning groove 36 on the connecting cover 11, the connecting cover 11 can be limited, the connecting cover 11 is prevented from rotating due to external force, and the arc-shaped block 10 is prevented from being separated from the arc-shaped groove 37.
In summary, when the separation is performed according to the present embodiment, the separation column 2 is first installed, the separation column 2 is placed inside the connection ring 8 under the action of the guide bar 5 and the guide groove 24, the flange 9 abuts against the connection ring 8 under the action of the gravity of the separation column 2, the ejector rod 31 is pushed by the riser 26, the rotating arm 27 is rotated after the ejector rod 31 abuts against the separation column 2, the positioning block 25 on the rotating arm 27 slides into the groove 33 and is connected with the notch 32 on the ejector rod 31, so as to fix the ejector rod 31, so as to continuously clamp the separation column 2;
the second motor 23 drives the rotating column 4 to rotate, after the separating column 2 is positioned at the bottom of the connecting cover 11, the pull rod 17 is pulled upwards to rotate the connecting cover 11, so that the arc-shaped groove 37 on the convex block 39 is connected with the arc-shaped block 10 on the separating column 2, then the pull rod 17 is loosened, the positioning pin 12 is connected with the positioning groove 36 on the connecting cover 11 under the action of the first spring 13, the rotating of the connecting cover 11 caused by external force can be avoided, and the separation of the connecting cover 11 and the separating column 2 is avoided;
the first motor 22 is turned on, the output end of the first motor 22 drives the eccentric turntable 44 to rotate, under the action of the third spring 43 and the roller 42, the piston rod 19 reciprocates, when the piston rod 19 is pulled out of the pressurizing cylinder 47, external air enters the pressurizing cylinder 47 through the second check valve 45, when the piston rod 19 enters the pressurizing cylinder 47, the air inside the pressurizing cylinder 47 enters the separating column 2 through the communicating pipe 46, the first check valve 40 and the hose 14, the experiment is facilitated, the air pressure sensor 38 monitors the air pressure inside the separating column 2, when the air pressure exceeds a set threshold value, the air pressure sensor 38 transmits a signal to the controller 21, and the controller 21 controls the first motor 22 to stop rotating after receiving the signal.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a chromatographic analyzer intelligence separation sample system, its characterized in that, including separator column (2) and fix in inlet tap (7) outside separator column (2), still include base (1) and roof (16) that are connected through pillar (15), install stabilizer blade (20) on base (1), be fixed with sleeve (3) on base (1), and run through in sleeve (3) have rotation post (4), install on base (1) and drive rotation post (4) pivoted motor two (23), be fixed with a plurality of linking arms (6) on the outer wall of rotation post (4), a plurality of linking arms (6) tip all forms and overlaps link (8) of establishing outside separator column (2), the shaping has guide way (24) on link (8) inner wall, the shaping has flange (9) with link (8) looks adaptation on the outer wall of separator column (2), have on the outer wall of separator column (2) with guide way (5) looks adaptation, be equipped with on linking arm (6) fixed position piece to separator column (2);
the top plate (16) is provided with a pressurizing cylinder (47), the end part of the pressurizing cylinder (47) is penetrated with a piston rod (19), the pressurizing cylinder (47) is communicated with a connecting cover (11) through a communicating pipe (46) and a hose (14), the connecting cover (11) and the separation column (2) are fixed through a connecting piece, the pressurizing cylinder (47) is provided with a one-way valve II (45), the communicating pipe (46) is provided with a one-way valve I (40), and the top plate (16) is provided with a driving piece for driving the piston rod (19) to reciprocate;
an air pressure sensor (38) is arranged on the inner wall of the connecting cover (11), and a controller (21) is arranged on the support column (15);
the positioning piece comprises a push rod (31) penetrating through the connecting arm (6), a spring II (30) and a vertical plate (26) are arranged at the end part of the push rod (31), a notch (32) is arranged on the push rod (31), a groove (33) is formed in the connecting arm (6), and the connecting arm (6) is provided with a limiting piece which acts on the notch (32) and the groove (33) and fixes the push rod (31);
the limiting piece comprises a rotating arm (27) arranged on the connecting arm (6), and a positioning block (25) matched with the notch (32) and the groove (33) is formed on the rotating arm (27);
the connecting piece comprises an arc-shaped block (10) formed on the outer wall of the separation column (2), a lug (39) is formed at the bottom of the connecting cover (11), and an arc-shaped groove (37) matched with the arc-shaped block (10) is formed in the lug (39).
2. The intelligent chromatographic separation sample system according to claim 1, wherein the upper surface wall of the connecting arm (6) is provided with a bulge (34), the bulge (34) is provided with a connecting groove (35), the top of the rotating arm (27) is slidably connected with a connecting pin (29) through a T-shaped groove (28), and the connecting pin (29) is attracted with the inner wall of the connecting groove (35) through magnetism.
3. The intelligent chromatographic analyzer separation sample system according to claim 2, wherein the driving member comprises a connecting block (41) fixed on a piston rod (19), a spring III (43) is arranged between the connecting block (41) and a pressurizing cylinder (47), a roller (42) is installed at the bottom of the connecting block (41), an eccentric rotary disc (44) with an inner wall abutted to the roller (42) is installed on the top plate (16), and a motor I (22) is installed on the top plate (16).
4. A system for intelligent separation of samples in a chromatographic analyzer according to claim 3, characterized in that a guiding sleeve (18) sleeved outside the piston rod (19) is fixed on the top plate (16).
5. The intelligent chromatographic analyzer separation sample system according to claim 4, wherein a pull rod (17) is penetrated through the top plate (16), a positioning pin (12) and a first spring (13) are arranged at the end part of the pull rod (17), and a positioning groove (36) matched with the positioning pin (12) is formed in the outer wall of the connecting cover (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211159053.9A CN115524432B (en) | 2022-09-22 | 2022-09-22 | Chromatographic analyzer intelligent sample separation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211159053.9A CN115524432B (en) | 2022-09-22 | 2022-09-22 | Chromatographic analyzer intelligent sample separation system |
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| CN115524432A CN115524432A (en) | 2022-12-27 |
| CN115524432B true CN115524432B (en) | 2023-10-20 |
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