CN111811915A - Sample processing device - Google Patents
Sample processing device Download PDFInfo
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- CN111811915A CN111811915A CN202010821264.9A CN202010821264A CN111811915A CN 111811915 A CN111811915 A CN 111811915A CN 202010821264 A CN202010821264 A CN 202010821264A CN 111811915 A CN111811915 A CN 111811915A
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- stirring
- lifting
- liquid injection
- sample processing
- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/386—Other diluting or mixing processes
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Chemical & Material Sciences (AREA)
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- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sample processing device, comprising: the stirring device is used for driving the sampling swab to elute, and the lifting device is used for driving the stirring device to lift; the stirring device comprises a stirring head and a stirring motor used for driving the stirring head to rotate, an output shaft of the stirring motor is connected with the center of the stirring head, a stirring hole and a leading-in hole used for enabling a handle part of the sampling swab to be inserted into the stirring hole are arranged in the stirring head, and the stirring hole is eccentrically arranged. By using the sample processing device provided by the invention, the automatic elution operation of the sampler can be realized, the stirring speed and the elution effect of the sampling swab are ensured, and the device has the advantages of simple structure, convenience in operation and capability of being popularized and used.
Description
Technical Field
The invention relates to the technical field of clinical detection, in particular to a sample processing device.
Background
Among the prior art, when carrying out gynaecology's mummification detection or microscopic examination operation, generally be with disposable swab sample back, by operating personnel manual stirring swab to elute the operation to the swab in the test tube, then send the sample to detecting instrument and detect, this process operation relies on pure manual operation, and the level of handling is unstable, and the loaded down with trivial details inefficiency that leads to of step, and has aerosol pollution's biohazard easily.
In view of the above, it is an urgent need to solve the above problems by those skilled in the art to provide an apparatus for automatically eluting a sampler.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a sample processing apparatus, which can perform an automatic elution operation on a sampler, ensure a stirring speed and an elution effect of a sampling swab, and has a simple structure, is convenient to operate, and can be popularized and used.
In order to achieve the above purpose, the invention provides the following technical scheme:
a sample processing device, comprising: the device comprises a stirring device for driving a sampling swab to elute and a lifting device for driving the stirring device to lift, wherein the stirring device is connected with the lifting device;
the stirring device comprises a stirring head and a stirring motor used for driving the stirring head to rotate, an output shaft of the stirring motor is connected with the center of the stirring head, a stirring hole and a leading-in hole used for enabling a handle part of the sampling swab to be inserted into the stirring hole are formed in the stirring head, and the stirring hole is eccentrically arranged.
Preferably, the introduction hole is a trumpet-shaped opening provided with an introduction inclined surface.
Preferably, the included angle between the leading-in inclined plane and the central axis of the stirring head is 30-45 degrees.
Preferably, the sample container is provided with a sampling swab, and the sample container is provided with a lifting device.
Preferably, the liquid injection device comprises a liftable liquid injection needle, and a guide plate for pushing away a handle of the sampling swab is arranged below the liquid injection needle.
Preferably, the guide plate is provided with a through hole for guiding the puncture direction of the liquid injection needle.
Preferably, the liquid injection device comprises a detection switch for detecting whether the sample container is located below the liquid injection needle.
Preferably, elevating gear is equipped with and is used for the installation priming device's vertical mounting panel and is used for the installation agitating unit's horizontal installation board is used for the installation detection switch's fixed block is located on the vertical mounting panel, it can pass and relative to annotate the liquid needle the fixed block with horizontal installation board reciprocates, it is equipped with and is used for triggering to annotate the liquid needle top detection switch's briquetting, the fixed block bottom with it is equipped with reset spring to press from both sides between the boss of annotating the liquid needle.
Preferably, the lifting device is a gear rack mechanism.
Preferably, the lifting device is provided with a lifting origin switch for judging whether the lifting device recovers the initial state or not and a lifting induction sheet for induction in cooperation with the lifting origin switch.
When the sample processing device provided by the invention is used, when the sample container moves to the lower part of the stirring device, the lifting device can be controlled to descend to drive the stirring device to descend, the handle part of the sampling swab can be guided into the stirring hole by the guide hole of the stirring head in the descending process, then the stirring motor is controlled to drive the stirring head to rotate, the handle part of the sampling swab can be driven by the stirring hole to rotate in the rotating process of the stirring head, the eccentric rotation and swing of the sampling swab along the cup body of the sample container can be realized due to the eccentric arrangement of the stirring hole relative to the central axis of the stirring head, and the process can well simulate the action of manually stirring the sampling swab so as to finish the elution operation of the sampling swab. And the sampling swab is driven by the stirrer to eccentrically rotate, swing and elute, so that the stirring speed and the eluting effect of the sampling swab can be effectively ensured. After the elution operation of the sampling swab is finished, the stirring motor is controlled to stop running, and then the lifting device is controlled to drive the stirring device to ascend so as to finish the elution operation of the sampling swab.
In summary, the sample processing device provided by the invention can realize the automatic elution operation of the sampling swab, ensure the stirring speed and the elution effect of the sampling swab, and has the advantages of simple structure, convenient operation and popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a sample processing device according to the present invention;
FIG. 2 is a schematic structural view of a stirring head;
fig. 3 is a schematic view of the sample processing device when lowered to the priming position and the elution position.
In fig. 1-3:
1 is agitating unit, 2 is elevating gear, 21 is horizontal mounting panel, 22 is elevator motor, 23 is origin switch, 24 is vertical mounting panel, 3 is priming device, 31 is annotating the liquid needle, 32 is the boss, 33 is the briquetting, 34 is the fixed block, 35 is reset spring, 4 is the stirring head, 41 is leading the positive hole, 42 is the stirring hole, 43 is the leading-in hole, 5 is the sampling swab, 6 is the sample container, 7 is sample container conveyer, 8 is agitator motor, 9 is detection switch, 10 is the deflector.
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.
The core of the invention is to provide a sample processing device, which can realize the automatic elution operation of a sampler, ensure the stirring speed and the elution effect of a sampling swab, has simple structure and convenient operation, and can be popularized and used.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a sample processing device according to the present invention; FIG. 2 is a schematic structural view of a stirring head; fig. 3 is a schematic view of the sample processing device when lowered to the priming position and the elution position.
This embodiment provides a sample processing apparatus, including: the device comprises a stirring device 1 for driving a sampling swab 5 to elute and a lifting device 2 for driving the stirring device 1 to lift, wherein the stirring device 1 is connected with the lifting device 2; the stirring device 1 comprises a stirring head 4 and a stirring motor 8 for driving the stirring head 4 to rotate, wherein an output shaft of the stirring motor 8 is connected with the center of the stirring head 4, a stirring hole 42 and a leading-in hole 43 for inserting the handle part of the sampling swab 5 into the stirring hole 42 are arranged in the stirring head 4, and the stirring hole 42 is eccentrically arranged.
It should be noted that the sample processing device provided by the present invention is suitable for operating various sample containers, and the gynecological drying test sample will be described as an example. Wherein the bottom of the sampling swab 5 can be used for taking a sample, the sample container 6 is a device for accommodating the sampling swab 5, and the top of the sampling swab 5 is provided with a handle part higher than the sample container 6 so as to be held and controlled by an operator.
In addition, it should be noted that a guide hole 41 for fixing the sample container 6 may be further disposed in the stirring head 4, so that after the stirring head 4 descends, the sample container 6 may be effectively fixed by the guide hole 41, and the sample container 6 may not swing when the stirring head 4 rotates. Then the stalk portion of sampling swab 5 passes in proper order and leads positive hole 41, induction hole 43, finally gets into stirring hole 42 in, the stalk portion of sampling swab 5 can rotate along stirring hole 42's circumferencial direction for sampling swab 5 carries out eccentric rotation swing relative sample container 6, with the action of simulation manual stirring elution sampling swab 5, and can improve sampling swab 5's stirring speed and elution effect greatly, reduce artifical intensity of labour.
The shape, structure, size and the like of the stirring device 1, the lifting device 2, the stirring head 4 and the stirring motor 8 can be determined according to actual conditions and actual requirements in the actual application process.
When the sample processing device provided by the invention is used, when the sample container 6 moves to the lower part of the stirring device 1, the lifting device 2 can be controlled to descend to drive the stirring device 1 to descend, the handle part of the sampling swab 5 can be guided into the stirring hole 42 by the guide hole 43 of the stirring head 4 in the descending process, then the stirring motor 8 is controlled to drive the stirring head 4 to rotate, the handle part of the sampling swab 5 can be driven by the stirring hole 42 to rotate in the rotating process of the stirring head 4, and the eccentric rotation and swing of the sampling swab 5 along the sample container 6 can be realized due to the eccentric arrangement of the stirring hole 42 relative to the central axis of the stirring head 4, so that the process can well simulate the action of manually stirring the sampling swab 5 to finish the elution operation of the sampling swab 5. In addition, the stirring head 4 is utilized to drive the sampling swab 5 to eccentrically rotate, swing and elute, so that the stirring speed and the elution effect of the sampling swab 5 can be effectively ensured. After the elution operation of the sampling swab 5 is finished, the stirring motor 8 is controlled to stop running, and then the lifting device 2 is controlled to drive the stirring device 1 to ascend, so as to finish the elution operation of the sampling swab 5.
In summary, the sample processing device provided by the present invention can realize the automatic elution operation of the sampler, ensure the stirring speed and elution effect of the sampling swab 5, and has the advantages of simple structure, convenient operation, and popularization and use.
In addition to the above embodiments, preferably, the introduction hole 43 is a trumpet-shaped opening with an introduction slope, so that the introduction slope of the introduction hole 43 can effectively slow down the process of inserting the handle of the sampling swab 5 into the stirring hole 42, so as to avoid the damage of the handle of the sampling swab 5 and effectively protect the sampling swab 5.
Preferably, the angle between the lead-in chamfer and the central axis of the stirring head 4 is 30 ° to 45 °.
It should be noted that the smaller the angle between the introduction slope and the central axis of the stirring head 4, the more the introduction slope is inclined, and the more rapidly the handle of the sampling swab 5 is introduced into the stirring hole 42, but if the introduction speed is too high, the handle of the sampling swab 5 may be damaged by being squeezed. The contained angle between leading-in inclined plane and the central axis of agitator head 4 is big more, then leading-in inclined plane is gentler more, can effectively avoid damaging the extrusion of the stalk portion of sampling swab 5, but can lead to the leading-in speed of the stalk portion of sampling swab 5 too slow and influence operating efficiency, so with leading-in inclined plane and agitator head 4 the central axis between the contained angle setting 30 to 45, can realize both guaranteeing the leading-in speed to the stalk portion of sampling swab 5, can not cause the damage to the stalk portion of sampling swab 5 again.
The shape, structure, size, position, and the like of the introduction hole 43, the pilot hole 41, and the stirring hole 42 can be determined during actual operation.
In addition to the above embodiments, it is preferable that the sample container further includes a filling device 3 for filling the sample container 6 with the sampling swab 5, and the filling device 3 is connected to the lifting device 2.
It should be noted that, need inject the diluent into sample container 6 before carrying out elution operation to sampling swab 5, so be connected priming device 3 with elevating gear 2, can be so that sample container 6 arrives priming device 3 below, control elevating gear 2 drives priming device 3 and descends, so that inject the diluent into sample container 6, then, control elevating gear 2 drives priming device 3 and rises, in order to avoid influencing the horizontal transport of sample container 6, wherein, can utilize sample container conveyer 7 to realize the horizontal transport of sample container 6.
And when the sample container 6 into which the diluent is injected transversely moves to the lower part of the stirring device 1, the lifting device 2 is controlled again to drive the stirring device 1 to descend, so that the stirring head 4 is clamped and fixed with the top part of the sample container 6, and the stirring motor 8 is controlled again to drive the stirring head 4 to rotate, so that the stirring hole 42 drives the sampling swab 5 to eccentrically rotate, swing and elute. Therefore, by providing the injection device 3, the diluent can be injected into each sample container 6 first, and the sample swab 5 can be eluted.
Preferably, the injection device 3 comprises a liftable injection needle 31, and a guide plate 10 for pushing away the handle of the sampling swab 5 is arranged below the injection needle 31.
In this embodiment, when the sample container 6 moves below the filling needle 31, the guide plate 10 will first contact with the handle of the sampling swab 5 and horizontally push the handle of the sampling swab 5 away, so as to prevent the filling needle 31 from contacting the sampling swab 5 when the filling needle 31 is inserted into the top of the sample container 6, thereby protecting the sampling swab 5.
Preferably, the guide plate 10 is provided with a through hole for guiding the piercing direction of the liquid injection needle 31.
It should be noted that, after the guide plate 10 pushes the handle of the sampling swab 5 slightly away, the lifting device 2 is controlled to drive the liquid injection needle 31 to descend, and the liquid injection needle 31 may pass through the through hole of the guide plate 10 when descending, and then pierce the membrane on the top of the sample container 6, so as to inject the diluent into the sample container 6. The through holes can effectively ensure the puncture direction and the puncture position of the liquid injection needle 31, namely, the liquid injection needle 31 is subjected to reverse acting force when puncturing the sampler, and the position deviation of the liquid injection needle 31 can not be caused, so that the puncture positions of the liquid injection needles 31 are consistent.
In the actual application process, the shapes, structures, sizes, positions and the like of the liquid injection needle 31, the guide plate 10 and the through hole can be determined according to actual conditions and actual requirements.
Preferably, the horizontal interval between the stirring head 4 and the liquid injection needle 31 is the same as the horizontal interval between two adjacent sample containers 6 on the sample container transport device 7.
Therefore, one-time lifting operation of the lifting device 2 can realize that two adjacent sample containers 6 are respectively subjected to liquid injection operation and stirring elution operation at the same time, so that the operation time can be efficiently utilized, and the liquid injection efficiency and the elution efficiency of the device are effectively improved. The device adopts a double-station setting mode, the diluting liquid level and the stirring and eluting position are separately arranged, the speed period of the whole machine is not occupied, and the operation efficiency of each station is effectively improved.
Preferably, the injection needle 31 may be disposed at a side close to the delivery end of the sample container transportation device 7 to achieve the purpose of injecting the diluent and then washing off the sampling swab 5 for each sample container 6.
On the basis of the above embodiment, it is preferable that the liquid injection device 3 includes the detection switch 9 for detecting whether or not the sample container 6 is present below the liquid injection needle 31. Therefore, when the detection switch 9 detects that there is a sample container 6 below the injection needle 31, the injection needle 31 can perform the injection operation, and when the detection switch 9 detects that there is no sample container 6 below the injection needle 31, the injection needle 31 does not perform the injection operation. Therefore, the detection switch 9 can be used for avoiding the liquid injection needle 31 from injecting liquid when the sample container 6 is not available, so that the operating environment is prevented from being polluted.
In the actual application process, the detection mode, the structure setting and the like of the detection switch 9 can be determined according to the actual situation and the actual requirement.
Preferably, the lifting device 2 is provided with a vertical mounting plate 24 for mounting the liquid injection device 3 and a horizontal mounting plate 21 for mounting the stirring device 1, a fixing block 34 for mounting the detection switch 9 is arranged on the vertical mounting plate 24, the liquid injection needle 31 can penetrate through and move up and down relative to the fixing block 34 and the horizontal mounting plate 21, a pressing block 33 for triggering the detection switch 9 is arranged at the top of the liquid injection needle 31, and a return spring 35 is arranged between the bottom of the fixing block 34 and a boss 32 of the liquid injection needle 31 in a clamping manner.
It should be noted that, in the initial state, the return spring 35 is in a compressed state, the return spring 35 presses the liquid injection needle 31 downward, the liquid injection needle 31 drives the pressing block 33 to press the detection switch 9 downward, and at this time, the detection switch 9 is in a closed state. And when the lifting device 2 drives the liquid injection needle 31 to descend, if a sample container 6 exists below the liquid injection needle 31, the liquid injection needle 31 can receive an upward acting force when puncturing the top of the sample container 6, when the upward acting force is greater than a downward elastic force applied to the liquid injection needle 31 boss 32 by the return spring 35, the liquid injection needle 31 moves upwards, the return spring 35 is compressed upwards in the moving process of the liquid injection needle 31, the pressing block 33 is driven to move upwards, the pressing block 33 does not extrude the detection switch 9 any more, the detection switch 9 can be triggered in the process, the detection switch is opened and is in an open state, the sample container 6 is arranged below the liquid injection needle 31 and can be detected by the detection switch 9, and then the liquid injection needle 31 can be controlled to perform liquid injection operation.
When the sample container 6 does not exist below the liquid injection needle 31, the liquid injection needle 31 does not receive an upward acting force when moving downwards, so that the liquid injection needle 31 does not move upwards under the action of the downward elastic force of the return spring 35, and finally the pressing block 33 does not move upwards, that is, the pressing block 33 does not trigger the detection switch 9, so that the detection switch 9 can detect that the sample container 6 does not exist below the liquid injection needle 31, and then an alarm can be given or the lifting device 2 is controlled to drive the liquid injection needle 31 to ascend, so that the sample container 6 on the sample container transporting device 7 continues to move transversely, and when the sampler is arranged below the liquid injection needle 31, the liquid injection needle 31 is controlled to perform liquid injection operation.
In addition, it should be added that, besides the above-mentioned manner, the detection switch 9 may also be set in other forms according to actual conditions and actual requirements during actual operation, and the detection switch 9 is mainly used for determining whether the sample container 6 exists below the injection needle 31, so as to transmit a detection signal to the control device, so as to avoid that the injection needle 31 still performs injection operation when there is no sample container 6.
In addition to the above embodiments, it is preferable that the lifting device 2 is a rack and pinion mechanism.
It should be noted that the lifting device 2 may include a linear guide, a vertical mounting plate 24 for mounting the liquid injection device 3, a horizontal mounting plate 21 for mounting the stirring device 1, a lifting slider slidably connected to the linear guide, and a driving mechanism for driving the lifting slider to move up and down, where the vertical mounting plate 24 is vertically connected to the horizontal mounting plate 21, and the vertical mounting plate 24 is connected to the lifting slider to move up and down.
In this embodiment, can move through control drive mechanism to the drive goes up and down to slide and drive vertical mounting panel 24 and carry out the lift removal along linear guide, and 24 lift in-process of vertical mounting panel can drive 21 lift movements of horizontal mounting panel in step, thereby realize priming device 3 and agitating unit 1's synchronous lift removal, so that annotate liquid operation and elution operation.
The driving mechanism can be a linear displacement mechanism such as an electric push rod or a lifting cylinder, and the lifting slide block is a slide block connected with the piston rod, so that the piston rod extends, and the lifting slide block moves upwards relative to the linear guide rail; the piston rod is shortened, and the lifting slide block moves downwards relative to the linear guide rail, so that the lifting and descending operations of the liquid injection device 3 and the stirring device 1 are realized.
Preferably, the lifting slide block is a lifting rack, the driving mechanism is a lifting motor 22, and a lifting gear engaged with the lifting rack is sleeved on an output shaft of the lifting motor 22. Therefore, when the lifting motor 22 operates, the output shaft of the lifting motor 22 rotates to drive the lifting gear to rotate, and further drive the lifting rack engaged with the lifting gear to slide on the linear guide rail, so that the lifting operation of the liquid injection device 3 and the stirring device 1 is realized.
The shapes, structures, sizes, positions and the like of the linear guide rail, the vertical mounting plate 24, the horizontal mounting plate 21, the lifting rack, the lifting motor 22 and the lifting gear can be determined according to actual conditions and actual requirements in the actual application process.
Preferably, the lifting device 2 is provided with a lifting origin switch 23 for determining whether the lifting device 2 is restored to the initial state and a lifting sensing piece for sensing in cooperation with the lifting origin switch 23.
It should be noted that a lifting sensing piece may be disposed at an end of the lifting rack, a lifting origin switch 23 for determining a movement condition of the lifting rack is disposed on one side of the lifting motor 46, the lifting sensing piece is configured to transmit a sensing signal to the lifting origin switch 23, the lifting sensing piece represents an origin position when the lifting sensing piece coincides with the lifting origin switch 23, the lifting sensing piece represents that the lifting device 2 performs lifting movement when the lifting sensing piece is separated from the lifting origin switch 23, and the lifting sensing piece represents that the lifting device 2 returns to an initial position when the lifting sensing piece coincides with the lifting origin switch 23 again.
For example, the position of the lifting sensing piece in the initial state may be aligned with the lifting origin switch 23, at this time, the lifting origin switch 23 determines the position as the origin initial position of the lifting rack, after the lifting motor 22 starts to operate and drives the lifting rack to move up and down, the lifting sensing piece is separated from the lifting origin switch 23, the lifting sensing piece may transmit a position signal of the lifting rack to the lifting origin switch 23, so that the lifting origin switch 23 determines the operation position of the lifting rack, and when the lifting sensing piece is aligned with the lifting origin switch 23 again, it indicates that the lifting rack returns to the origin initial position.
The types, positions and the like of the lifting induction sheet and the lifting origin switch 23 can be determined in the actual application process according to the actual situation and the actual requirement.
To further illustrate the use of the sample processing device provided by the present invention, an example is provided below.
First, when the stirring device 1 and the liquid injection device 3 are in the non-operating state, the elevating motor 22 may be retracted to the origin initial position, as shown in fig. 1. And after the first sample container 6 on the sample container transportation device 7 reaches the liquid injection level below the liquid injection device 3, the lifting motor 22 is controlled to drive the liquid injection needle 31 and the stirring head 4 to descend, so that the liquid injection needle 31 and the stirring head 4 move to the positions shown in fig. 3, at the moment, the liquid injection needle 31 can trigger the detection switch 9 when penetrating the top of the sample container 6, so as to send a detection signal that the sampler is arranged below the liquid injection needle 31 to the control device, the control device can control the liquid injection needle 31 to inject diluent into the sample container 6, and at the moment, the stirring head 4 is idle because the sampler is not arranged below the stirring head 4.
After the liquid injection operation of the liquid injection needle 31 is completed, the lifting motor 22 returns to the original point initial position, that is, the lifting motor 22 drives the lifting rack to drive the liquid injection needle 31 and the stirring head 4 to rise to the original point initial position, so as to avoid blocking the lateral movement of the sample container transportation device 7, when the sample container 6 into which the diluent is injected moves to the position under the stirring head 4 and the new sample container 6 moves to the position under the liquid injection needle 31, the lifting motor 22 drives the liquid injection needle 31 and the stirring head 4 to descend again to the position shown in fig. 3, the liquid injection position of the liquid injection needle 31 and the elution position of the stirring head 4 are reached at this moment, and then the liquid injection needle 31 can repeat the liquid injection operation.
Meanwhile, the stirring head 4 presses down the sample container 6 into which the diluent is injected, as shown in fig. 2, the guide hole 41 of the stirring head 4 can guide the sample container 6 and sleeve the sample container into the stirring head 4, the guide hole 43 can guide the handle of the sampling swab 5 into the eccentrically arranged stirring hole 42, and then the stirring head 4 is driven to rotate by the stirring motor 8, so that the sampling swab 5 is driven to perform eccentric rotation and swing elution operation, and after the elution of the sampling swab 5 is completed, the lifting motor 22 is controlled to return to the original position. By repeating the above operations, the operations of injecting the diluent and then washing off the sampling swab 5 to the respective sample containers 6 on the sample container transport apparatus 7 can be realized.
It should be noted that the directions and positional relationships indicated by "upper" and "lower" in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The sample processing device provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A sample processing device, comprising: the device comprises a stirring device (1) for driving a sampling swab (5) to elute and a lifting device (2) for driving the stirring device (1) to lift, wherein the stirring device (1) is connected with the lifting device (2);
agitating unit (1) is including stirring head (4) and be used for the drive stirring head (4) pivoted agitator motor (8), the output shaft of agitator motor (8) with the center of stirring head (4) is connected, be equipped with in stirring head (4) stirring hole (42) and be used for making the stalk portion of sampling swab (5) inserts leading-in hole (43) of stirring hole (42), stirring hole (42) eccentric settings.
2. The sample processing device according to claim 1, wherein the introduction hole (43) is a trumpet-shaped opening provided with an introduction slope.
3. The sample processing device according to claim 2, wherein the angle between the lead-in ramp and the central axis of the stirring head (4) is 30 ° to 45 °.
4. The sample processing device according to claim 1, further comprising a priming device (3) for priming a sample container (6) containing the sampling swab (5), the priming device (3) being connected to the lifting device (2).
5. The sample processing device according to claim 4, wherein the priming device (3) comprises a liftable priming needle (31), and a guide plate (10) for pushing away the handle of the sampling swab (5) is arranged below the priming needle (31).
6. The sample processing device according to claim 5, wherein the guide plate (10) is provided with a through hole for guiding the piercing direction of the liquid injection needle (31).
7. The sample processing device according to claim 5, wherein the priming device (3) comprises a detection switch (9) for detecting whether the sample container (6) is present below the priming needle (31).
8. The sample processing device according to claim 7, wherein the lifting device (2) is provided with a vertical mounting plate (24) for mounting the liquid injection device (3) and a horizontal mounting plate (21) for mounting the stirring device (1), a fixing block (34) for mounting the detection switch (9) is arranged on the vertical mounting plate (24), the liquid injection needle (31) can penetrate through and move up and down relative to the fixing block (34) and the horizontal mounting plate (21), a pressing block (33) for triggering the detection switch (9) is arranged at the top of the liquid injection needle (31), and a return spring (35) is clamped between the bottom of the fixing block (34) and a boss (32) of the liquid injection needle (31).
9. The sample processing device according to any one of claims 1 to 8, wherein the lifting device (2) is a rack and pinion mechanism.
10. The sample processing device according to claim 9, wherein the lifting device (2) is provided with a lifting origin switch (23) for determining whether the lifting device (2) is restored to the initial state and a lifting sensing piece for cooperating with the lifting origin switch (23) for sensing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821264.9A CN111811915B (en) | 2020-08-14 | 2020-08-14 | Sample processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010821264.9A CN111811915B (en) | 2020-08-14 | 2020-08-14 | Sample processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111811915A true CN111811915A (en) | 2020-10-23 |
| CN111811915B CN111811915B (en) | 2023-03-31 |
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Family Applications (1)
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| CN202010821264.9A Active CN111811915B (en) | 2020-08-14 | 2020-08-14 | Sample processing device |
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