CN112604822A - Automatic balancing instrument for centrifugal tube - Google Patents
Automatic balancing instrument for centrifugal tube Download PDFInfo
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- CN112604822A CN112604822A CN202011412589.8A CN202011412589A CN112604822A CN 112604822 A CN112604822 A CN 112604822A CN 202011412589 A CN202011412589 A CN 202011412589A CN 112604822 A CN112604822 A CN 112604822A
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- balancing
- liquid
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- liquid outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/14—Balancing rotary bowls ; Schrappers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/14—Balancing rotary bowls ; Schrappers
- B04B2009/143—Balancing rotary bowls ; Schrappers by weight compensation with liquids
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Centrifugal Separators (AREA)
Abstract
The application provides an automatic balancing appearance of centrifuging tube, including the inside shell that is equipped with a plurality of balancing sample groove, the shell top is equipped with balancing liquid container and drain pipe, and the drain pipe is equipped with many and one-to-one and sets up in balancing sample groove, and balancing liquid container is equipped with the play liquid mechanism of control balancing liquid container play liquid break-make, is equipped with the detection mechanism who detects the balancing sample condition in a plurality of balancing sample grooves in the shell, and it is connected with the detection mechanism electricity to go out the liquid mechanism. The synchronous balancing of a plurality of centrifuge tubes can be realized through one balancing liquid container and a plurality of liquid outlet pipes, the weight, the liquid level and the bubble condition of the balancing sample of the centrifuge tube in each balancing sample groove are detected and fed back by utilizing the detection mechanism, the liquid output of the balancing liquid container is adjusted, the balancing precision is high, the centrifugal separation quality is improved, the realization repeatability is improved, the requirement of ultrahigh-speed centrifugation is met, manual repeated balancing is not needed, the manual operation is reduced, and the balancing efficiency is improved.
Description
Technical Field
The application relates to the field of medical equipment, especially, relate to an automatic balancing appearance of centrifuging tube.
Background
The centrifugal machine is a machine for separating components in liquid and solid particles or a mixture of liquid and liquid by using centrifugal force, balancing is an essential step for centrifugal operation, and if the centrifugal machine is not balanced, the torque applied to a rotating shaft is different, and the rotor generates large abrasion on the rotating shaft in the operation process. The long-time wearing and tearing can reduce centrifuge life, and the pivot when the centrifuge tube after the balancing can ensure the high-speed rotation of centrifuge is steady, also makes final centrifugal rotational speed can reach centrifuge's default, ensures the separation effect.
The low-speed centrifugation (less than 3000rpm) has relatively low requirement on balancing, the experiment requirement can be met through manual operation, but the high-speed centrifugation (more than 3000rpm) has high requirement on the precision of balancing, and the high-speed centrifugation requires that the mass difference between samples on the same axis is not more than one percent. The existing balancing still needs manual operation, but the manual balancing needs repeated balancing for many times, which wastes time and labor, is difficult to quickly meet the balancing requirement of high-speed centrifugation, and long-time balancing causes the sample to be exposed in the air, so that the sample is degraded, the concentration is reduced, the sample is damaged, and the like, thereby being not beneficial to controlling test variables and causing larger errors in subsequent test results.
Disclosure of Invention
The purpose of this application aims at providing one kind and realizes that a plurality of centrifuging tubes are trimmed simultaneously and centrifuging tube automatic balancing appearance that the balancing precision is high.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides an automatic balancing appearance of centrifuging tube, includes the shell, be equipped with a plurality of balancing sample groove in the shell, the shell top be equipped with balance liquid container and one end with the drain pipe of balance liquid container intercommunication, the drain pipe be equipped with many and one-to-one in balance sample groove sets up, balance liquid container is equipped with and is used for control balance liquid container goes out the play liquid mechanism of liquid break-make, still be equipped with in the shell and be used for detecting a plurality of balance sample inslot balance sample condition's detection mechanism, go out liquid mechanism with the detection mechanism electricity is connected.
Further setting: the detection mechanism comprises a standard sample groove and pressure sensors, and the pressure sensors are arranged at the bottoms of the standard sample groove and the balancing sample groove in a one-to-one correspondence mode.
Further setting: the detection mechanism further comprises a liquid level sensor arranged in the standard sample groove and in the height direction of the balancing sample groove.
Further setting: and sleeves for supporting the centrifuge tube are arranged in the standard sample groove and the balancing sample groove.
Further setting: the liquid outlet mechanism comprises a liquid outlet pump arranged at the liquid outlet end of the leveling container.
Further setting: the liquid outlet mechanism comprises a push plate arranged in the leveling container, and the push plate is connected with a pushing part capable of pushing the push plate to move in the leveling container.
Further setting: many the drain pipe is connected on a branch liquid pipe, divide the one end of liquid pipe with it connects to join in marriage the flat liquid container, every be equipped with on the drain pipe with the valve that detection mechanism electricity is connected.
Further setting: the shell is internally provided with a sealed cavity, the balancing liquid container, the balancing sample groove and the standard sample groove are all positioned in the sealed cavity, and the shell is connected with a vacuum pump for vacuumizing the sealed cavity.
Further setting: and a bubble detector is arranged in the shell corresponding to each of the trim sample groove and the standard sample groove.
Further setting: the bottom of the shell is provided with a sliding groove extending along the arrangement direction of the balancing sample grooves, and the bubble detector is matched with the sliding groove and can slide along the sliding groove.
Compared with the prior art, the scheme of the application has the following advantages:
1. in the centrifugal tube automatic balancing instrument, synchronous balancing of a plurality of centrifugal tubes can be realized through one balancing liquid container and a plurality of liquid outlet tubes, and the detection mechanism is used for detecting and feeding back the weight, the liquid level and the bubble condition of the balancing sample of the centrifuge tube in each balancing sample groove, so as to adjust the liquid output of the balancing liquid container, has high balancing precision, is beneficial to improving the centrifugal separation quality and the realization reproducibility, so as to meet the requirement of ultra-high speed centrifugation, and does not need manual repeated balancing, thereby reducing manual operation, improving balancing efficiency, reducing balancing time, reducing the time of exposing a balancing sample in the air, therefore, the conditions of sample degradation, concentration reduction and the like can be avoided, the centrifugal separation quality is improved, the experimental reproducibility is improved, the precision of subsequent test results is improved, and the control variable of the test is facilitated.
2. In the centrifuging tube automatic balancing appearance of this application, can set up the sleeve that is used for supporting the centrifuging tube in the sample cell to be applicable to the centrifuging tube of various specifications, improved the suitability of this application centrifuging tube automatic balancing appearance, satisfy the balancing requirement in various model centrifuging tubes.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of an embodiment of an automatic balancing apparatus for centrifuge tubes according to the present application;
FIG. 2 is a schematic structural view of an embodiment of an automatic balancing apparatus for centrifuge tubes according to the present application.
In the figure, 1, a housing; 11. a cover plate; 12. a chute; 2. trimming the sample tank; 3. a standard sample cell; 4. a liquid outlet mechanism; 41. a leveling liquid container is prepared; 42. a liquid outlet pipe; 421. a liquid separating pipe; 43. a liquid outlet pump; 45. pushing the plate; 451. a seal ring; 46. a pushing part; 51. a pressure sensor; 52. a liquid level sensor; 53. a bubble detector; 6. a valve; 7. a controller; 8. and a vacuum pump interface.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In order to meet the precision requirement of the existing ultra-high-speed centrifugation on balancing, the application provides an automatic balancing instrument for centrifugal tubes, which is used for carrying out accurate balancing when a sample is loaded, is high in balancing precision, does not need a worker to carry out repeated balancing for many times, is concise in operation and improves the balancing efficiency.
Referring to fig. 1, the centrifugal tube automatic balancing apparatus includes a housing 1 and a controller 7, a balancing sample tank 2 is disposed in the housing 1, a centrifugal tube can be loaded in the balancing sample tank 2 for balancing, a balancing liquid container 41 and a liquid outlet pipe 42 are disposed at the top of the housing 1, the liquid outlet pipe 42 is connected to the balancing liquid container 41, and the balancing liquid container 41 is provided with a liquid outlet mechanism 4 for controlling the on-off of the liquid outlet of the balancing liquid container 41. Meanwhile, a detection mechanism for detecting the balancing sample amount of a centrifugal tube loaded in the balancing sample groove 2 is further arranged in the shell 1, data obtained by detection of the detection mechanism is transmitted to the controller 7, and the controller 7 controls the work of the liquid outlet mechanism 4 to control the on-off of liquid outlet of the balancing liquid container 41, so that the balancing precision is ensured. The liquid outlet mechanism 4 can control the on-off of the liquid outlet of the balancing liquid container 41 according to the detection data of the detection mechanism, so as to ensure the balancing precision.
Furthermore, a plurality of balancing sample grooves 2 are arranged in the housing 1, and a plurality of liquid outlet pipes 42 are arranged corresponding to the balancing sample grooves 2 one by one. In one embodiment, one end of each of the plurality of liquid outlet pipes 42 is connected to the leveling liquid container 41, and the other end is disposed corresponding to the leveling sample tank 2, and in this embodiment, the lengths of the plurality of liquid outlet pipes 42 may be the same or different.
In addition, referring to fig. 1, in a preferred embodiment, a plurality of balancing sample tanks 2 are arranged along a length direction of the housing 1, a plurality of liquid outlet pipes 42 may be connected to the same liquid distribution pipe 421, the liquid distribution pipe 421 is communicated with the balancing liquid container 41, so that the balancing sample is distributed through the liquid distribution pipe 421, and a valve 6 electrically connected to the detection mechanism is further disposed on each liquid outlet pipe 42, so that opening and closing of the valve 6 can be controlled according to the amount of the balancing sample in the detection centrifugal pipe of the detection mechanism, so as to further ensure the balancing precision.
In addition, the liquid distribution tube 421 can be detachably connected to the balancing liquid container 41, and the liquid distribution tube 421 and the liquid outlet tube 42 thereon can be disposable medical products, and can be replaced at each balancing time to prevent the balancing solution from being polluted.
The detection mechanism comprises a standard sample groove 3, the standard sample groove 3 is used for loading a centrifugal tube provided with a standard amount of a trim sample, the standard sample groove 3 and the balancing sample groove 2 are arranged side by side, the detection mechanism further comprises a pressure sensor 51, the pressure sensors 51 are correspondingly arranged at the bottoms of the standard sample grooves 3 and the plurality of balancing sample grooves 2 one by one, so as to be used for measuring the weight of the balancing samples of the centrifuge tubes in the sample grooves, the pressure sensors 51 corresponding to the standard sample wells 3 and the balancing sample wells 2 can transmit the detected gravity signals to the controller 7, and the controller 7 controls the valve 6 to close and controls the liquid outlet mechanism 4 to stop working by comparing the weights of the balancing samples in the centrifugal tubes in the standard sample wells 3 and the balancing sample wells 2, so as to achieve the purpose of accurate balancing.
Specifically, go out liquid mechanism 4 including locating the play liquid pump 43 of the liquid end of balancing liquid container 41, through go out liquid pump 43 will extract balancing sample in the balancing liquid container 41 is to each the centrifuging tube in the balancing sample trough 2 is carried out the balancing, and go out liquid pump 43 can be according to standard sample trough 3 that pressure sensor 51 detected and balancing sample trough 2's gravity data come work, realized full-automatic mechanized operation, need not artifical many times to be balanced, improved the balancing precision, ensure centrifugal separation's quality.
In other embodiments, please refer to fig. 2, the liquid outlet mechanism 4 may further be configured to be manually operated, and specifically includes a push plate 45 disposed in the leveling container 41, the size of the push plate 45 is adapted to the cross section of the product dispensing container, and the push plate 45 is connected to a pushing portion 46. Further, the pushing portion 46 includes a push rod connected to the push plate 45 and extending out of the balancing liquid container 41, and an operator can push the push plate 45 to move in the balancing liquid container 41 through the push rod. In addition, the periphery of the push plate 45 is provided with a sealing ring 451 abutting against the interior of the leveling liquid container 41 to divide the leveling liquid container 41 into two relatively isolated chambers, and the liquid outlet end and the push rod of the leveling liquid container 41 are respectively and correspondingly arranged in the two chambers.
In addition, the detection mechanism further includes a liquid level sensor 52 disposed in the height direction of the balancing sample tank 2 and the standard sample tank 3, and the liquid level sensor can detect the liquid level of the balancing sample in the centrifugal tube of the balancing sample tank 2 and the liquid level of the balancing sample in the standard sample tank 3, so as to standardize the balancing sample and further improve the balancing precision.
A sealed cavity is arranged in the shell 1, specifically, the shell 1 comprises a shell and a cover plate 11, the cover plate 11 is tightly connected with the shell to form the sealed cavity, and the balancing sample tank 2 and the standard sample tank 3 are both positioned in the sealed cavity. Meanwhile, the shell 1 is made of transparent ultraviolet sterilization materials, preferably quartz glass, ultraviolet rays with sterilization functions and corresponding wave bands can penetrate through the quartz glass and enter the sealed cavity, the shell 1 can be irradiated by the ultraviolet rays with the wave bands of 280 nm-100 nm before trimming, sterilization and disinfection of the shell 1 and the inner sealed cavity of the shell are achieved, meanwhile, the quartz glass is transparent, operators can conveniently observe trimming conditions in the sealed cavity in real time, and emergencies can be dealt with timely.
In addition, in other embodiments, to ensure the sterile state in the sealed cavity, the centrifugal tube automatic balancing apparatus of the present application may be placed in an ultra clean bench or a biosafety cabinet, so as to ensure that the centrifugal tube automatic balancing apparatus is in a clean and sterile environment, and ensure the quality of a balancing sample.
Be equipped with vacuum pump interface 8 on the shell 1 to it is right to connect be used for the vacuum pump of sealed chamber evacuation to bubble in the alignment sample in the removable centrifuge tube, thereby ensure that the alignment sample liquid level height of centrifuging tube is unanimous with the liquid level height of the standard sample of centrifuging tube in the standard sample groove 3 in each alignment sample groove 2, thereby can further improve the precision of balancing. Meanwhile, a bubble detector 53 is further provided at the bottom of the housing 1, and preferably, a spectrophotometer or an ultrasonic bubble detector can be used as the bubble detector 53. Wherein, the spectrophotometer is through carrying out qualitative analysis to the interior sample of centrifuging tube, and when the interior sample of centrifuging tube exists the bubble, the bubble can be to having a refraction effect, and this also can lead to the light intensity after passing through the solution to weaken, and absorbance increase causes the concentration grow of measuring to this judges whether to have the bubble in the centrifuging tube sample. And ultrasonic wave bubble detector ultrasonic wave can be to centrifuging tube transmission ultrasonic wave, if there is the bubble in the trim sample, when the ultrasonic wave meets the bubble, two front and back plane of bubble will influence the wave type and the energy of ultrasonic wave back wave, and the sensor will show the nature of bubble according to the wave type and the change of energy of back wave, then judges whether there is the bubble in the sample of centrifuging tube.
Further, shell 1 bottom is equipped with the spout 12 that extends along the direction of arranging of balancing sample cell 2, bubble detector 53 with spout 12 adaptation can remove in spout 12, thereby makes bubble detector 53 can remove the below to balancing sample cell 2 respectively and detect the centrifuging tube sample in balancing sample cell 2 one by one to data transmission to controller 7 that will detect the acquisition, after measuring that the sample does not have the bubble in the centrifuging tube, controller 7 is steerable the vacuum pump stop work, raises the efficiency.
In addition, can be provided with the sleeve (not shown in the figure, the same below) that is used for supporting the centrifuging tube in the trim sample cell 2 and the standard sample cell 3, because the centrifuging tube has the size of different specifications, the centrifuging tube of small-size is difficult to erect in the sample cell, so the accessible the sleeve supports the centrifuging tube to improve the suitability in sample cell, can satisfy the trim requirement in various model centrifuging tubes.
The utility model provides an automatic balancing appearance of centrifuging tube can be simultaneously carried out the balancing to a plurality of centrifuging tubes, and utilize detection mechanism to detect and feed back the balancing sample volume of each balancing sample cell 2 interior centrifuging tube, valve 6 and the liquid feeding volume of play liquid mechanism 4 of liquid pipe 421 are divided to the control of controller 7, and detach the bubble in the balancing sample in the centrifuging tube, then improve the precision of balancing, need not the manual work and carry out many times and repeat the balancing, the homogeneity of balancing operation has been ensured, the process is simple, when satisfying high-speed centrifugation requirement, the time that the balancing consumes is shorter, the time that the balancing sample exposes in the air has been reduced, the sample degradation has been avoided, the condition of sample destruction such as concentration decline appears, help improving centrifugal separation quality, the reproducibility of experiment has been improved, improve the precision of follow-up test result, be favorable to experimental control variable.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. The utility model provides a centrifuging tube automatic balancing appearance, includes the shell, characterized by: the liquid level measuring device is characterized in that a plurality of balancing sample grooves are formed in the shell, a balancing liquid container and a liquid outlet pipe with one end communicated with the balancing liquid container are arranged at the top of the shell, the liquid outlet pipe is provided with a plurality of liquid outlet mechanisms which are arranged in a one-to-one correspondence mode with the balancing sample grooves, the balancing liquid container is provided with a liquid outlet mechanism used for controlling the liquid outlet on-off of the balancing liquid container, a detection mechanism used for detecting the balancing sample conditions in the balancing sample grooves is further arranged in the shell, and the liquid outlet mechanism is electrically connected with the detection mechanism.
2. The centrifuge tube auto-balancing apparatus of claim 1, wherein: the detection mechanism comprises a standard sample groove and pressure sensors, and the pressure sensors are arranged at the bottoms of the standard sample groove and the balancing sample groove in a one-to-one correspondence mode.
3. The centrifuge tube auto-balancing apparatus of claim 2, wherein: the detection mechanism further comprises a liquid level sensor arranged in the standard sample groove and in the height direction of the balancing sample groove.
4. The centrifuge tube auto-balancing apparatus of claim 3, wherein: and sleeves for supporting the centrifuge tube are arranged in the standard sample groove and the balancing sample groove.
5. The centrifuge tube auto-balancing apparatus of claim 1, wherein: the liquid outlet mechanism comprises a liquid outlet pump arranged at the liquid outlet end of the leveling container.
6. The centrifuge tube auto-balancing apparatus of claim 1, wherein: the liquid outlet mechanism comprises a push plate arranged in the leveling container, and the push plate is connected with a pushing part capable of pushing the push plate to move in the leveling container.
7. The centrifuge tube auto-balancing apparatus of claim 1, wherein: many the drain pipe is connected on a branch liquid pipe, divide the one end of liquid pipe with it connects to join in marriage the flat liquid container, every be equipped with on the drain pipe with the valve that detection mechanism electricity is connected.
8. The centrifuge tube auto-balancing apparatus of claim 1, wherein: the shell is internally provided with a sealed cavity, the balancing liquid container, the balancing sample groove and the standard sample groove are all positioned in the sealed cavity, and the shell is connected with a vacuum pump for vacuumizing the sealed cavity.
9. The centrifuge tube auto-balancing apparatus of claim 8, wherein: and a bubble detector is arranged in the shell corresponding to each of the trim sample groove and the standard sample groove.
10. The centrifuge tube auto-balancing apparatus of claim 9, wherein: the bottom of the shell is provided with a sliding groove extending along the arrangement direction of the balancing sample grooves, and the bubble detector is matched with the sliding groove and can slide along the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412589.8A CN112604822B (en) | 2020-12-04 | 2020-12-04 | Automatic balancing instrument for centrifugal tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011412589.8A CN112604822B (en) | 2020-12-04 | 2020-12-04 | Automatic balancing instrument for centrifugal tube |
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| CN112604822A true CN112604822A (en) | 2021-04-06 |
| CN112604822B CN112604822B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011412589.8A Active CN112604822B (en) | 2020-12-04 | 2020-12-04 | Automatic balancing instrument for centrifugal tube |
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| CN (1) | CN112604822B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113088431A (en) * | 2021-04-28 | 2021-07-09 | 贵州同辉食用菌发展有限公司 | High-activity and high-stability shiitake mushroom liquid strain fermentation system and fermentation method |
| WO2023160623A1 (en) * | 2022-02-25 | 2023-08-31 | 深圳市理邦精密仪器股份有限公司 | Control method, multi-flux centrifugal platform and computer readable storage medium |
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| CN211989199U (en) * | 2020-02-27 | 2020-11-24 | 郑州伊美诺生物技术有限公司 | Fast balancing device for centrifugal tube |
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| CN104061988A (en) * | 2014-06-23 | 2014-09-24 | 青岛市中心血站 | Intelligent blood centrifugation balancing instrument and balancing method |
| CN205293143U (en) * | 2015-12-31 | 2016-06-08 | 江苏灵豹药业股份有限公司 | Medicinal cream filling system |
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| CN112604822B (en) | 2021-10-22 |
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