CN114472415B

CN114472415B - Container cleaning device and centrifugal device

Info

Publication number: CN114472415B
Application number: CN202210085719.4A
Authority: CN
Inventors: 敖小强; 王志文; 王慧峰; 张尔刚; 关旭春
Original assignee: Beijing SDL Technology Co Ltd
Current assignee: Beijing Huazhun Testing Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2023-02-24
Anticipated expiration: 2042-01-25
Also published as: CN114472415A

Abstract

The invention provides a container cleaning device, comprising: a linear drive member; and a cleaning member which is capable of inverting the container and cleaning the inside of the container when the cleaning member contacts the container when the cleaning member moves in the direction of the container along with the moving portion of the linear driving member. It can guarantee outflow containers such as remaining sample simultaneously after washing container inside, improves cleaning efficiency, especially when can carry out high-pressure gas after liquid washes and wash, not only can further wash inside the container, can guarantee the inside rapid draing of container moreover, prevents that remaining washing liquid from diluting the sample of follow-up experiment. In addition, this application provides an use above-mentioned container cleaning device's centrifugal device, has realized the circulation of continuous advance kind, centrifugation, sampling and washing, and the container can basically be got rid of the horizontality during the centrifugation to increase centrifugal radius, improved centrifugal efficiency.

Description

Container cleaning device and centrifugal device

Technical Field

The application relates to the technical field of detection equipment, in particular to a container cleaning device and a centrifugal device.

Background

In the frequent centrifugal detection, for example, when sampling a water quality monitoring system, it is necessary to frequently wash a container (e.g., a test tube) and repeatedly sample the sample and sample a plurality of times.

The prior modes of sample adding, sampling and cleaning are still manual operation, and have low efficiency and low speed.

Disclosure of Invention

In order to overcome the technical problems, the invention provides a container cleaning device and a centrifugal device, and the specific scheme is as follows:

a container cleaning apparatus comprising:

a linear drive member;

a cleaning component which is fixedly arranged with the motion part of the linear driving component;

wherein, when the cleaning component moves towards the container along with the moving part of the linear driving component, the cleaning component can turn over the container and clean the inside of the container after contacting the container.

Further, the cleaning part includes:

the nozzle fixing piece comprises a protruding part, the protruding part protrudes out of the moving direction of the cleaning component moving along with the linear driving component, and when the cleaning component moves along with the moving part of the linear driving component towards the container, the protruding part of the nozzle fixing piece can turn over the container after contacting with the container;

the cleaning nozzle is fixedly arranged on the nozzle fixing piece, the cleaning nozzle faces to the protruding direction of the protruding portion, the protruding portion of the nozzle fixing piece enables the container to be overturned, and the cleaning nozzle can clean the inside of the container.

Further, a fixing hole is formed in the protruding portion, and the cleaning nozzle is arranged in the fixing hole.

Further, the linear driving component is a lead screw; preferably, the lead screw is driven by a stepper motor.

Further, the cleaning nozzle comprises an air nozzle and a liquid nozzle.

Furthermore, the cleaning nozzle is connected with the air inlet pipeline and the liquid inlet pipeline and is used for cleaning by respectively feeding liquid into the liquid inlet pipeline and feeding air into the air inlet pipe; preferably, the cleaning nozzle is connected with a fluid pipeline, and the fluid pipeline is simultaneously connected with the air inlet pipe and the liquid inlet pipe.

A centrifugal device comprises a functional component and a centrifugal component;

wherein the functional components include:

the container cleaning apparatus of any one of the above;

the sample injection sampling component is fixedly arranged with the motion part of the linear driving component;

the centrifuge assembly comprises:

a centrifugal motor;

the container fixing part is fixedly arranged on a rotating shaft of the centrifugal motor, more than two containers can be arranged on the container fixing part, and the arranged containers can be turned over;

cleaning element, advance a kind sampling element can follow linear drive part's motion portion to the motion of centrifugal subassembly direction, cleaning element is used for wasing the container, advance a kind sampling element and be used for advancing kind or sampling to the container, just the bottom of advancing kind sampling element is less than cleaning element's bottom.

Further, the sampling part includes:

the sampling and sampling fixing part is fixedly arranged with the moving part of the linear driving part;

the sampling tube and the sampling tube are both arranged on the sampling fixing part.

Furthermore, an even number of containers can be arranged on the container fixing piece; preferably, the container is centrosymmetric with respect to the rotating shaft of the centrifugal motor; further preferably, the number of containers is two.

Further, the centrifugal device further comprises a position sensor for determining that the container stays below the sample sampling part and/or the cleaning part; preferably, the position sensor is a proximity switch; further preferably, the position sensor is an inductive dc proximity switch.

Furthermore, the centrifugal device also comprises a positioning component, the positioning component is fixedly arranged with the moving part of the linear driving part, and the positioning component is used for magnetically attracting the container or the container fixing part when sampling or cleaning the container.

Further, the centrifugal device also comprises a damping assembly, and the centrifugal motor is fixedly arranged on the damping assembly;

preferably, the shock-absorbing assembly includes: a base; the damping spring is arranged on the base; and the mounting table is arranged on the damping spring and used for mounting the centrifugal motor.

Further, the centrifuge device further comprises a fluid path assembly comprising:

the sample introduction pipeline is communicated with the sample introduction sampling component and is used for introducing samples into the container, and preferably, a peristaltic pump and/or a liquid level sensor are arranged on the sample introduction pipeline;

the sampling pipeline is communicated with the sample introduction sampling part and is used for sampling from the container, and preferably, a peristaltic pump is arranged on the sampling pipeline;

a fluid pipeline communicated with the cleaning component to clean the inside of the container, wherein a booster pump is preferably arranged on the fluid pipeline; preferably, the fluid lines flow into the cleaning liquid and the cleaning gas, respectively.

The application provides a container cleaning device, it can replace artifical washing, guarantee simultaneously outflow containers such as filth (remaining sample) after washing container inside, improve the cleaning efficiency, especially when can wash the back at liquid and carry out high-pressure gas, not only can further wash inside the container, can guarantee the inside rapid draing of container, do benefit to the container and can be used for other experiments fast (if when separating the sample experiment, can not remain the cleaning fluid and dilute the sample of follow-up experiment) etc.. In addition, this application provides a centrifugal device, has realized the circulation of continuous advance kind, centrifugation, sampling and washing, and the container can basically be got rid of to the horizontality during the centrifugation to increase centrifugal radius, improved centrifugal efficiency.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly apparent, and to make the implementation of the content of the description possible for those skilled in the art, and to make the above and other objects, features and advantages of the present invention more obvious, the following description is given by way of example of the specific embodiments of the present invention.

Drawings

The drawings are included to provide a further understanding of the application and are not to be construed as limiting the application. Wherein:

FIG. 1: the structure schematic diagram of the container cleaning device;

FIG. 2: the structure of the linear driving part is schematic;

FIG. 3: a structural schematic diagram of a cleaning part;

FIG. 4 is a schematic view of: the container cleaning device is used for cleaning a first state schematic diagram;

FIG. 5 is a schematic view of: the container cleaning device is used for cleaning a second state schematic diagram;

FIG. 6: the container cleaning device is used for cleaning a third state schematic diagram;

FIG. 7: the structure schematic diagram of the centrifugal device;

FIG. 8: the structure schematic diagram of the centrifugal assembly;

FIG. 9: a sample introduction sampling component structure schematic diagram;

FIG. 10: the structural schematic diagram of the shock absorption assembly;

FIG. 11: a schematic liquid path diagram of a centrifuge;

FIG. 12: the centrifugal device works in a first state schematic diagram;

FIG. 13: the centrifugal device works in a second state schematic diagram;

FIG. 14: the centrifugal device works in a third state.

Description of reference numerals:

1000: a functional component;

1100. a container cleaning device; 1110. a linear drive member; 1111. a moving part; 1112. a drive section; 1120. cleaning the component; 1121. a nozzle mount; 1121-1, projection; 1121-2, fixing holes; 1123. a connecting portion;

1200. a sample introduction and sampling part; 1210. sampling the fixed part; 1220. a sample inlet pipe; 1230. a sampling tube; 1240. an outer tube;

1300. a connecting rod;

2000. a centrifuge assembly;

2100. a centrifugal motor; 2200. a container securing member;

3000. a position sensor;

4000. a positioning assembly;

5000. a shock-absorbing assembly;

5100. a base; 5200. a damping spring; 5300. an installation table;

6000: a container;

7000. a rotating shaft;

8000. a fixed surface;

9000. a liquid path assembly;

9100. a sample introduction pipeline; 9200. a sampling pipeline; 9300. a fluid line; 9400. a peristaltic pump; 9500. a liquid level sensor; 9600. a booster pump.

Detailed Description

The following description of the exemplary embodiments of the present application, taken in conjunction with the accompanying drawings, includes various details of the embodiments of the application for the understanding thereof, which are to be regarded as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present application. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

This embodiment provides a container cleaning apparatus 1100, as shown in fig. 1, comprising:

a linear driving part 1110;

a cleaning member 1120 fixedly installed to the moving part 1111 of the linear driving member 1110;

wherein, when the cleaning part 1120 moves toward the container 6000 along with the moving part 1111 of the linear driving part 1110, the cleaning part 1120 can turn the container 6000 over and clean (e.g., wash) the inside of the container 6000 after contacting the container 6000.

In addition, "fixedly disposed" in the present application means directly fixed or indirectly fixed. Direct attachment means attachment directly to the attachment member, such as the cleaning member 1120 of the present application may be directly attached to the moving part 1111. The indirect fixing means that the cleaning component 1120 is fixed on the fixing component through an intermediate component, for example, the cleaning component 1120 in the present application can be fixed on the intermediate component (the connecting rod 1300), and the intermediate component (the connecting rod 1300) is fixed on the moving part 1111, so that the cleaning component 1120 is fixed on the moving part 1111.

The present application provides a container cleaning apparatus 1100 that can be used to clean containers that can be inverted about an axis of rotation (e.g., axis of rotation 7000 in fig. 1).

Then, as shown in fig. 1, the moving portion 1111 of the linear driving member 1110 of the container cleaning apparatus 1100 may drive the cleaning member 1120 to move toward the container 6000, as shown in fig. 4-6, the cleaning member 1120 may drive the container 6000 to rotate, when the container 6000 is tilted and the mouth is facing downward (as shown in fig. 6), the cleaning member 1120 may flush the inside of the container 6000, and it is known by those skilled in the art that, since the container 6000 is tilted and the mouth is facing downward, after flushing, the dirt (residual sample) may flow out of the container 6000 along with the flushing fluid (such as clean water), thereby ensuring that the dirt does not remain in the container 6000.

Then, the present application provides a completely new container cleaning apparatus 1100 which can replace the manual cleaning, and the washing of the container 6000 and the discharge of the contaminants are performed by the equipment at one time, so that the cleaning efficiency can be improved.

In one embodiment, as shown in fig. 2, the cleaning part 1120 includes:

a nozzle holder 1121, wherein the nozzle holder comprises a protrusion 1121-1, the protrusion 1121-1 protrudes from the movement direction of the cleaning part 1120 moving with the linear driving part 1110, and when the cleaning part 1120 moves towards the container 6000 direction with the movement part 1111 of the linear driving part 1110, the protrusion 1121-1 of the nozzle holder 1121 can turn the container 6000 after contacting with the container 6000;

and a cleaning nozzle (not shown) fixedly disposed on the nozzle holder 1121, the cleaning nozzle facing the protruding direction of the protruding portion, wherein the cleaning nozzle can clean the inside of the container 6000 after the container 6000 is turned over by the protruding portion 1121-1 of the nozzle holder 1121.

This embodiment shows a specific structure of the cleaning part 1120. When the cleaning member 1120 moves downward with the moving portion 1111 of the linear driving member 1110, the protrusion 1121-1 can push the opening of the container 6000 to rotate the container 6000, and when the container is rotated from the state of fig. 4 to the state of fig. 6, the cleaning nozzle sprays fluid (e.g., clean water) to perform cleaning.

In addition, the nozzle fixing member 1121 may further include a connecting portion 1123 for fixing the protrusion 1121-1, as shown in fig. 2, which is not described herein again.

In one embodiment, a fixing hole 1121-2 is formed in the protrusion 1121-1, and the cleaning nozzle is disposed in the fixing hole 1121-2.

This embodiment provides a cleaning nozzle arrangement and ensures that the cleaning nozzle is directed towards the container 6000 for cleaning.

In one embodiment, the linear drive member is a lead screw; preferably, the lead screw is driven by a stepping motor (i.e., the driving unit 1112 is a stepping motor in the figure).

The lead screw drive helps to ensure that the stroke of the cleaning member 1120 is more accurate, thereby ensuring reliability of the apparatus. Particularly, when the driving unit 1112 is a stepping motor, it is possible to easily realize precise control of the movement of the lead screw by a microprocessor (PLC, etc.), and thus it is easy to automate the control of the movement of the cleaning member 1120. In addition, the existing electric push rod is a screw rod system driven by a motor, and a person skilled in the art can directly purchase the electric push rod with a stepping motor as a driving part.

In one embodiment, the purge nozzle includes a gas nozzle and a liquid nozzle.

When the cleaning nozzle comprises an air nozzle and a liquid nozzle, the air nozzle is connected with the air inlet pipe, and the liquid nozzle is connected with the liquid inlet pipe. When needs wash container 6000, spray liquid (like the clear water) through the liquid mouth earlier and wash inside, later spray (high-pressure) gas through the air cock not only can further wash inside container 6000, can guarantee the inside rapid draing of container 6000 moreover, be favorable to container 6000 can be used for other experiments etc. fast.

In one embodiment of the present invention,

the cleaning nozzle is connected with the air inlet pipeline and the liquid inlet pipeline and is used for cleaning air by respectively feeding liquid into the liquid inlet pipeline and the air inlet pipe.

Preferably, the cleaning nozzle is connected with a fluid pipeline, and the fluid pipeline is simultaneously connected with the air inlet pipe and the liquid inlet pipe.

The cleaning nozzle in this embodiment may be directly connected to the air inlet pipeline and the liquid inlet pipeline, for example, two connectors are directly disposed on the cleaning nozzle and respectively connected to the air inlet pipeline and the liquid inlet pipeline.

The cleaning nozzle in this embodiment may be indirectly connected to the air inlet line and the liquid inlet line, which is the preferred embodiment described above.

This embodiment is a modification of the previous embodiment. Particularly, the cleaning nozzle is connected with the air inlet pipeline and the liquid inlet pipeline, the liquid inlet pipe can be opened through the liquid inlet valve (such as an electromagnetic valve), so that the cleaning nozzle sprays liquid (such as clean water) to clean the interior, then the liquid inlet valve is closed, and the air inlet valve is opened (such as an electromagnetic valve), so that the cleaning nozzle sprays (high-pressure) gas, and the interior of the container 6000 is blown clean and dried quickly. Thereby ensuring that the container 6000 can be quickly used for other experiments and the like (such as carrying out next sample centrifugation), and the cleaning liquid can not be remained to dilute the samples of the subsequent experiments.

The present embodiment provides a centrifugal apparatus, as shown in fig. 7, including a functional assembly 1000, a centrifugal assembly 2000;

wherein the functional assembly 1000 comprises:

the container cleaning apparatus 1100 described above;

a sample sampling component 1200 fixedly arranged with the moving part 1111 of the linear driving component 1110, specifically, as shown in fig. 7, the linear driving component 1110 (the non-moving part 1111) is fixed on the fixed surface 8000, and the sample sampling component 1200 is fixedly arranged with the moving part 1111 through an intermediate component (a C-shaped connecting rod 1300);

the centrifuge assembly 2000 includes:

a centrifugal motor 2100;

a container holder 2200 fixedly installed on a rotation shaft of the centrifugal motor 2100, wherein the container holder 2200 can be installed with more than two containers, and the installed container 6000 can be turned over; the container 6000 may be directly mounted on the container holder 2200 as shown in fig. 7 and 8, or a "container tray" that can be turned over may be mounted on the container holder 2200, and then the container 6000 may be inserted into and fixed to the "container tray".

The cleaning component 1120 and the sampling component 1200 can move along with the moving part 1111 of the linear driving component 1110 to the centrifugal component 2000, the cleaning component 1120 is used for cleaning the container, the sampling component 1200 is used for sampling or sampling the container, and the bottom end of the sampling component 1200 is lower than the bottom end of the cleaning component 1120.

The container holder 2200 of the present invention may be a fixed arm as shown in fig. 7 and 8, a combination of a plurality of fixed arms (each fixed arm intersects with each other and the intersection is provided on the rotating shaft of the centrifugal motor 2100), or a fixed disk.

This embodiment provides a centrifugal device, can replace artifical and advance kind, sample and wash the container. Specifically, referring to fig. 7 and 12 to 14, the specific flow of the operation is as follows:

s1: the moving part 1111 of the linear driving part 1110 drives the sampling part 1200 and the cleaning part 1120 to move towards the centrifugal assembly 2000, and since the bottom end of the sampling part 1200 is lower than the bottom end of the cleaning part 1120, the state shown in fig. 12 is reached first, and the sampling part 1200 samples (and the cleaning part 1120 does not drive the other container to rotate);

s2: then, the moving part 1111 of the linear driving part 1110 drives the sample sampling part 1200 and the cleaning part 1120 to be away from the centrifugal assembly 2000, the centrifugal motor 2100 drives the container holder 2200 to rotate (when the centrifugal device is specifically the device shown in fig. 7, it rotates 180 °), and then the step S1 is repeated to perform sample injection;

s3: after the sample introduction is finished, the moving part 1111 of the linear driving part 1110 drives the sample introduction sampling part 1200 and the cleaning part 1120 to be away from the centrifugal assembly 2000, and the centrifugal motor 2100 drives the container fixing part 2200 to rotate at a high speed for centrifugation;

s4: after centrifugation, the moving part 1111 of the linear driving part 1110 drives the sample sampling part 1200 and the cleaning part 1120 to move towards the centrifugation component 2000 (to the state of fig. 12), and the sample sampling part 1200 performs sampling;

s5: the moving part 1111 of the linear driving part 1110 drives the sample sampling part 1200 and the cleaning part 1120 to be away from the centrifugal assembly 2000, and the centrifugal motor 2100 drives the container holder 2200 to rotate (when the centrifugal device is specifically the device shown in fig. 7, the container holder rotates 180 °); then, the moving part 1111 of the linear driving part 1110 drives the sample sampling part 1200 and the cleaning part 1120 to move towards the centrifugal assembly 2000 (to the state of fig. 14), the sample sampling part 1200 samples the container, and meanwhile, the cleaning part 1120 cleans the container;

s6: the moving part 1111 of the linear driving part 1110 drives the sample sampling part 1200 and the cleaning part 1120 to be away from the centrifugal assembly 2000, and the centrifugal motor 2100 drives the container holder 2200 to rotate (when the centrifugal device is specifically the device shown in fig. 7, the container holder rotates 180 °); then, the moving part 1111 of the linear driving part 1110 drives the sample sampling part 1200 and the cleaning part 1120 to move toward the centrifugal assembly 2000 (to the state of fig. 14), the cleaning part 1120 cleans the sample sampling part 1200, and simultaneously, the sample sampling part 1200 performs the sample injection.

Thereafter, the loop of steps S2 to S6 is performed.

Therefore, the technical scheme realizes the circulation of continuous sample introduction, centrifugation, sampling and cleaning. And, in the step S3, because the container 6000 can rotate radially around itself, under the condition of high-speed rotation, the container 6000 can be thrown to the horizontal state basically, thereby increasing the centrifugal radius, and improving the centrifugal efficiency, in addition, under the condition that the above scheme is provided, on the basis of the prior art, the skilled person knows how to realize the automation of the control of the above steps (such as through a PLC scheme, etc.), which is not described herein any more, thereby the automatic operation of the centrifugal device can be ensured, and the automatic continuous centrifugal operation can be realized, and the centrifuged sample is obtained by sampling for use in the subsequent experiment.

In one embodiment, as shown in fig. 9, the sample sampling component 1200 comprises:

a sample introduction and sampling fixing member 1210 fixed to the moving part 1111 of the linear driving unit 1110;

a sample inlet tube and a sample outlet tube (both not shown) are disposed on the sample inlet sampling fixture 1210.

In this embodiment, an embodiment of a sample sampling unit 1200 is shown, in which a sample tube and a sample tube are fixed by a sample sampling fixing member 1210. In fig. 9, an outer tube 1240 (specifically, an acrylic tube) is shown, and a sample tube and a sampling tube (both preferably a tetrafluoro tube) are disposed therein, so as to ensure that the sample tube and the sampling tube are stably and reliably fixed.

In one embodiment, an even number of containers 6000 can be provided on container holder 2200;

preferably, the container can be centrosymmetric with respect to the rotation axis of the centrifugal motor;

further preferably, the number of containers is two.

As shown in fig. 8, it is shown that two containers 6000 can be disposed on the container fixing member 2200, and the two containers 6000 can be symmetrical with respect to the center of the rotation shaft of the centrifugal motor, so that when the sample adding/sampling operation is performed on the container on one side, the container on the other side can be cleaned at the same time, and the centrifugal balance can be ensured. When the number of the containers is even more than two, the method is similar to the scheme of the two containers, and the difference is that the sample adding needs to be repeated for multiple times before centrifugation, and the sampling, cleaning and re-sample feeding need to be repeated for multiple times after centrifugation, and the details are not repeated herein.

In one embodiment, as shown in fig. 1, the centrifugation device further comprises a position sensor 3000 for determining that the container 6000 is resting under the sample sampling part and/or the washing part;

preferably, the position sensor 3000 is a proximity switch;

further preferably, the position sensor 3000 is an inductive dc proximity switch.

This embodiment provides a solution for determining the container to stay under the sampling part 1200 and/or the washing part 1120, so as to ensure the precise and stable operation of the device. Specifically, as shown in fig. 7, the position sensor 3000 is fixedly disposed on the fixing surface 8000, so that when the container fixing member 2200 moves to a position below the position sensor 3000, the centrifugal motor 2100 stops rotating, and the container is guaranteed to stay below the sample sampling part and/or the cleaning part.

In one embodiment, as shown in fig. 7, the centrifugal device further includes a positioning assembly 4000, the positioning assembly 4000 is fixedly disposed with the moving part 1111 of the linear driving part 1110, and the positioning assembly 4000 is used for magnetically attracting the container or the container fixing member when sampling or washing the container.

As shown in fig. 7, the positioning assembly 4000 is fixed to the moving part 1111 of the linear driving member 1110 by being disposed on the connecting rod 1300, and a magnetic attraction device is disposed between the lower portion of the positioning assembly 4000 and the container 6000 or the container holder 2200. Therefore, when sample adding/sampling/cleaning is needed, the lower part of the positioning component 4000 can fix the container or the container fixing part through the magnetic suction device, so that the position of the container 6000 is stable when the sample adding/sampling/cleaning is needed, and the stable and accurate operation of equipment is ensured.

In one embodiment, as shown in fig. 10, the centrifugal device further includes a damper assembly 5000, and the centrifugal motor 2100 is fixedly disposed on the damper assembly 5000;

preferably, the damper assembly 5000 includes:

a base 5100;

a damper spring 5200 disposed on the base 5100;

a mounting table 5300 disposed on the shock absorbing spring 5200, the mounting table 5300 being configured to mount the centrifugal motor 2100.

Through setting up damper 5000, can guarantee when carrying out the centrifugation, equipment state is stable, guarantees centrifugal effect.

In one embodiment, as shown in fig. 11, the centrifuge device further comprises a fluid path assembly 9000, the fluid path assembly 9000 comprising:

the sample feeding pipeline 9100 is communicated with the sample feeding and sampling component 1200 to feed samples into the container, and preferably, a peristaltic pump 9400 and/or a liquid level sensor 9500 are/is arranged on the sample feeding pipeline 9100;

the sampling pipeline 9200 is communicated with the sample sampling part 1200 to be used for sampling from the container, and preferably, a peristaltic pump 9400 is arranged on the sampling pipeline 9200;

a fluid line 9300 communicating with the cleaning part 1110 to clean the inside of the container, preferably, the fluid line 9300 is provided with a pressurizing pump 9600.

This example shows a specific solution scheme. The sample inlet pipeline 9100 is communicated with the sample inlet sampling component 1200 to be used for feeding samples into the container, the peristaltic pump 9400 and/or the liquid level sensor 9500 are/is arranged to help accurate sample feeding, and the liquid level sensor 9500 is arranged to ensure that the liquid levels of the two symmetrical containers (test tubes) are basically consistent during sample feeding so as to be beneficial to centrifugation, and meanwhile, the sample inlet pipeline 9100 can also be used for detecting whether the sample inlet pipeline 9100 is blocked. The sampling pipeline 9200 is communicated with the sampling part 1200 for sampling from the container, and a peristaltic pump 9400 is arranged to facilitate stable sampling; a fluid line 9300 communicates with the cleaning nozzle for ejecting cleaning fluid (such as clear water) from the cleaning nozzle, and a booster pump 9600 is provided to increase the pressure of the cleaning fluid, thereby ensuring clean cleaning.

Further preferably, the fluid line 9300 feeds a cleaning liquid and a cleaning gas, respectively. Then, the cleaning component 1110 (the cleaning nozzle therein) may spray the cleaning liquid for cleaning first, and then spray the cleaning gas for cleaning and blow-drying the inside of the container, so as to avoid the dilution of the subsequent detection sample by the residual liquid.

In addition, on the premise of providing the above technical solution, on the basis of the prior art, a person skilled in the art knows how to automatically control the above devices by using a microprocessor (e.g., a PLC, etc.) (e.g., the driving portion 1112 is a stepping motor, a pipeline is provided with an electromagnetic valve, and then the stepping motor, the electromagnetic valve, a position sensor, a centrifugal motor, a peristaltic pump, a booster pump, and a liquid level sensor are controlled by using the microprocessor (e.g., the PLC, etc.) to realize automatic control), which is not described herein again.

Above-mentioned scheme provides a container cleaning device, and it can replace artifical washing, guarantees simultaneously that filth (remaining sample) wait to flow out the container after washing container inside, improves the cleaning efficiency, especially when can carrying out high-pressure gas after liquid washes and wash, not only can further wash inside the container, can guarantee the inside rapid draing of container moreover, does benefit to the container and can be used for other experiments etc. fast. In addition, a centrifugal device is provided, the circulation of continuous sample introduction, centrifugation, sampling and cleaning is realized, and the container can be basically thrown to a horizontal state during centrifugation, so that the centrifugal radius is increased, and the centrifugal efficiency is improved. And the equipment device is easy to automate, and is convenient for continuous sampling, sampling and centrifuging, thereby facilitating subsequent detection.

Although the embodiments of the present application have been described above with reference to the accompanying drawings, the present application is not limited to the above-described embodiments and application fields, and the above-described embodiments are illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto and changes may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. A container cleaning apparatus, comprising:

the linear driving component is a lead screw;

when the cleaning component moves towards the container along with the moving part of the linear driving component, the container can be overturned after the cleaning component is contacted with the container, and the cleaning component can clean the inside of the container;

the cleaning part includes:

the cleaning nozzle is fixedly arranged on the nozzle fixing piece, faces the protruding direction of the protruding portion, and enables the protruding portion of the nozzle fixing piece to enable the container to be overturned, and the cleaning nozzle can clean the inside of the container.

2. Container cleaning apparatus according to claim 1,

the protruding portion is internally provided with a fixing hole, and the cleaning nozzle is arranged in the fixing hole.

3. Container cleaning apparatus according to claim 1,

the lead screw is driven by a stepper motor.

4. Container cleaning apparatus according to claim 1,

the cleaning nozzle comprises an air nozzle and a liquid nozzle.

5. Container cleaning apparatus according to claim 1,

the cleaning nozzle is connected with the air inlet pipeline and the liquid inlet pipeline and is used for cleaning through liquid inlet of the liquid inlet pipeline and air inlet of the air inlet pipeline respectively.

6. Container cleaning apparatus according to claim 5,

the cleaning nozzle is connected with a fluid pipeline, and the fluid pipeline is simultaneously connected with an air inlet pipeline and a liquid inlet pipeline.

7. The centrifugal device is characterized by comprising a functional component and a centrifugal component;

wherein the functional components include:

the container cleaning device according to any one of claims 1 to 6;

the sampling component is fixedly arranged with the motion part of the linear driving component;

the centrifuge assembly comprises:

a centrifugal motor;

cleaning component, advance a kind sampling part can follow the motion portion of linear drive part to the motion of centrifugal subassembly direction, cleaning component is used for wasing the container, advance a kind sampling part and be used for advancing kind or sampling to the container, just the bottom of advancing kind sampling part is less than cleaning component's bottom.

8. The centrifuge device of claim 7,

the sampling part comprises:

the sampling fixing part is fixedly arranged with the moving part of the linear driving part;

and the sampling tube are arranged on the sampling fixing part.

9. The centrifuge device of claim 7,

an even number of containers can be arranged on the container fixing member.

10. The centrifuge device of claim 9,

the container is centrosymmetric relative to the rotating shaft of the centrifugal motor.

11. The centrifuge device of claim 9,

the number of the containers is two.

12. The centrifuge device of claim 7,

the centrifuge device further comprises a position sensor for determining that the container stays below the sample sampling part and/or the washing part.

13. The centrifuge device of claim 12,

the position sensor is a proximity switch.

14. The centrifuge device of claim 13,

the position sensor is an inductive direct current proximity switch.

15. The centrifuge device of claim 7,

the centrifugal device further comprises a positioning assembly, the positioning assembly and the moving part of the linear driving part are fixedly arranged, and the positioning assembly is used for magnetically attracting the container or the container fixing part when sampling or cleaning the container.

16. The centrifuge device of claim 7,

the centrifugal device further comprises a damping component, and the centrifugal motor is fixedly arranged on the damping component.

17. The centrifuge device of claim 16,

the shock-absorbing assembly includes:

a base;

the damping spring is arranged on the base;

and the mounting table is arranged on the damping spring and used for mounting the centrifugal motor.

18. The centrifuge device of claim 7,

the centrifuge device further comprises a fluid path assembly comprising:

the sample introduction pipeline is communicated with the sample introduction sampling component and is used for introducing samples into the container;

the sampling pipeline is communicated with the sample introduction sampling part and is used for sampling from the container;

and a fluid line communicating with the cleaning part to clean the inside of the container.

19. The centrifuge device of claim 18,

and the sampling pipeline is provided with a peristaltic pump and/or a liquid level sensor.

20. The centrifuge device of claim 18,

and a peristaltic pump is arranged on the sampling pipeline.

21. The centrifuge device of claim 18,

and a booster pump is arranged on the fluid pipeline.

22. The centrifuge device of claim 18,

the fluid lines respectively flow cleaning liquid and cleaning gas.