WO2018142923A1 - 分注装置及び液体移送方法 - Google Patents
分注装置及び液体移送方法 Download PDFInfo
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- WO2018142923A1 WO2018142923A1 PCT/JP2018/001043 JP2018001043W WO2018142923A1 WO 2018142923 A1 WO2018142923 A1 WO 2018142923A1 JP 2018001043 W JP2018001043 W JP 2018001043W WO 2018142923 A1 WO2018142923 A1 WO 2018142923A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
- B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/12—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by pressure
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M37/00—Means for sterilizing, maintaining sterile conditions or avoiding chemical or biological contamination
- C12M37/02—Filters
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M39/00—Means for cleaning the apparatus or avoiding unwanted deposits of microorganisms
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/40—Means for regulation, monitoring, measurement or control, e.g. flow regulation of pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00891—Feeding or evacuation
- B01J2219/009—Pulsating flow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/0095—Control aspects
- B01J2219/00952—Sensing operations
- B01J2219/00954—Measured properties
- B01J2219/00963—Pressure
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0605—Metering of fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/06—Fluid handling related problems
- B01L2200/0647—Handling flowable solids, e.g. microscopic beads, cells, particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/143—Quality control, feedback systems
- B01L2200/146—Employing pressure sensors
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- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0681—Filter
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- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
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- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0867—Multiple inlets and one sample wells, e.g. mixing, dilution
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- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0877—Flow chambers
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- B01L2300/14—Means for pressure control
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- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
- B01L2400/0457—Moving fluids with specific forces or mechanical means specific forces passive flow or gravitation
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
- B01L2400/0487—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure fluid pressure, pneumatics
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
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- B01L2400/06—Valves, specific forms thereof
- B01L2400/0633—Valves, specific forms thereof with moving parts
Definitions
- the disclosed technology relates to a dispensing apparatus and a liquid transfer method.
- the following techniques are known as techniques for transferring a liquid contained in a container to a plurality of other containers.
- Japanese Patent Application Laid-Open No. 2009-125027 discloses a technique for separating a culture solution from a tank containing the culture solution by a multi-way valve using a pump and simultaneously feeding the solution to a plurality of culture vessels in a culture vessel set.
- n blocks having m outlets having the same height with respect to the horizontal direction are prepared for each solenoid valve at the outlet of the multi-way valve.
- liquid is poured simultaneously into the culture vessel at the same height in the horizontal direction in units of blocks, and the outlet side sensor controls the solenoid valve in the outlet direction to deliver an equal volume of medium. .
- Japanese Patent Application Laid-Open No. 2009-125027 discloses a step of circulating a resist stripping solution in a preparation tank through a circulation preparation pipe and a plurality of opening / closing extraction means arranged in order, and a sample bottle is provided for each extraction means.
- a dispensing device that automatically extracts a predetermined amount of liquid from a container in which the liquid is stored and automatically transfers the extracted liquid to each of a plurality of other containers is known.
- a tube pump is often used as a pump for feeding liquid.
- the tube pump is a pump that feeds liquid by the ironing operation of the tube.
- the fine particles may be destroyed when the liquid passes through the tube pump. . Therefore, when a liquid containing fine particles that are weak against mechanical external force is used, it is not suitable to use a dispensing device that feeds liquid using a tube pump.
- a method of transferring the liquid to the plurality of sub-containers by connecting the container of the transfer source containing the liquid and the plurality of sub-containers of the transfer destination respectively by piping and pressurizing the inside of the container containing the liquid can be considered.
- a liquid containing fine particles that are vulnerable to a mechanical external force is to be sent using such a method of sending a liquid by pressurizing the inside of the transfer source container, the liquid is sent at a low pressure and a low speed. It is desirable to do.
- the disclosed technology has been made in view of the above points, and transfers substantially the same amount of liquid to a plurality of destinations while suppressing mechanical external force applied to the liquid to be supplied. It aims to make it possible.
- a dispensing apparatus includes a primary tank that stores liquid, primary pressure adjusting means that adjusts the pressure inside the primary tank, a plurality of branch flow paths connected to the primary tank, and the above A plurality of secondary tanks provided corresponding to each of the plurality of branch flow paths, each connected to a corresponding branch flow path.
- the primary pressure adjusting means adds the inside of the primary tank in a state where the gas inside each of the plurality of secondary tanks is retained inside the secondary tank.
- the liquid may be transferred from the primary tank to each of the plurality of secondary tanks by pressing.
- the dispensing apparatus may further include secondary side pressure adjusting means for adjusting the internal pressure of each of the plurality of secondary tanks.
- the secondary pressure adjusting means may open the interior of each of the plurality of secondary tanks to the atmosphere before discharging the liquid transferred to the interior of each of the plurality of secondary tanks.
- the dispensing device is connected to each of the plurality of first valves provided in the middle of each of the plurality of branch flow paths and each of the plurality of secondary tanks, and the plurality of secondary tanks A plurality of discharge passages through which the liquid discharged from each of the plurality of discharge passages, a plurality of second valves provided in the middle of each of the plurality of discharge passages, and a plurality of secondary tanks from the primary tank
- Each of the plurality of first valves is controlled to be in an open state, and each of the plurality of second valves is controlled to be in a closed state when the liquid is transferred to each of the plurality of secondary tanks.
- Each of the plurality of secondary valves is controlled to be closed, and the liquid stored in each of the plurality of secondary tanks is controlled to be closed.
- a control unit that controls each of them to an open state.
- a dispensing device includes a state detection unit that detects a state inside at least one of the plurality of secondary tanks, a plurality of valves provided in the middle of each of the plurality of branch channels, And a control unit that controls opening and closing of each of the plurality of valves based on a detection result of the state detection unit.
- the state detection unit may be provided in at least one of the plurality of secondary tanks, and may include a pressure sensor that detects a pressure inside the secondary tank.
- the state detection unit may be provided corresponding to each of the plurality of secondary tanks, and may include a plurality of pressure sensors that detect the pressure inside the corresponding secondary tank.
- the control unit is accommodated estimated from the pressure detected by the pressure sensor among the plurality of secondary tanks.
- the valve corresponding to the secondary tank determined to have reached the predetermined amount may be controlled to be closed.
- the dispensing device When the liquid is transferred from the primary tank to each of the plurality of secondary tanks, the dispensing device according to the disclosed technique is configured to perform the plurality of the plurality of the plurality of pressure sensors based on the pressure detected by each of the plurality of pressure sensors.
- Secondary pressure adjusting means for adjusting the pressure inside each of the secondary tanks may be further included.
- the secondary-side pressure adjusting means when transferring the liquid from the primary tank to each of the plurality of secondary tanks, from the pressure detected by the pressure sensor among the plurality of secondary tanks.
- the amount of stored liquid estimated from the pressure detected by the pressure sensor among the plurality of secondary tanks is reduced by depressurizing the inside of the secondary tank that is determined to have an estimated stored liquid amount smaller than a predetermined amount. May be pressurized inside the secondary tank determined to be greater than a predetermined amount.
- the state detection unit may include a level sensor that is provided in at least one of the plurality of secondary tanks and detects the height of the liquid level of the liquid stored in the secondary tank.
- the state detecting unit is provided corresponding to each of the plurality of secondary tanks, and includes a plurality of level sensors that detect the height of the liquid level of the liquid stored in the corresponding secondary tank. May be included.
- the control unit determines whether the liquid level is detected by the level sensor among the plurality of secondary tanks.
- the valve corresponding to the secondary tank in which the estimated amount of stored liquid is determined to have reached a predetermined amount may be controlled to be closed.
- the liquid level detected by each of the plurality of level sensors is adjusted.
- a secondary-side pressure adjusting unit that adjusts the internal pressure of each of the plurality of secondary tanks may be further included.
- the secondary-side pressure adjusting means when transferring the liquid from the primary tank to each of the plurality of secondary tanks, of the plurality of secondary tanks, the liquid level detected by the level sensor
- the pressure of the liquid level estimated by the level sensor among the plurality of secondary tanks is reduced by depressurizing the inside of the secondary tank in which the amount of stored liquid estimated from the height is less than a predetermined amount.
- the inside of the secondary tank that has been determined that the amount of liquid to be estimated is larger than the predetermined amount may be pressurized.
- the primary tank may have a plurality of outlets connected to each of the plurality of branch channels.
- the dispensing apparatus is configured such that when the primary pressure adjusting unit pressurizes the inside of the primary tank, an unnecessary component contained in the gas supplied to the primary tank flows into the primary tank.
- the secondary filter and the secondary pressure adjusting means pressurize the inside of the secondary tank, the inside of the secondary tank of unnecessary components contained in the gas supplied to the secondary tank And a second filter that suppresses the inflow into the device.
- Each of the plurality of secondary tanks is connected to the first part that contains the liquid transferred from the primary tank, the first part, and a connection pipe, and the secondary pressure adjusting means includes A second portion having a flow port through which gas supplied to the secondary tank flows when the inside of the secondary tank is pressurized, and the second filter includes the connection pipe It may be provided in the middle.
- the volumes of the plurality of branch channels are preferably the same.
- the primary tank may have an agitation function for agitating the liquid contained in the primary tank.
- a liquid transfer method is a liquid transfer method for transferring the liquid using the dispensing device, wherein the liquid is stored in the primary tank, and the interior of each of the plurality of secondary tanks.
- the liquid is transferred from the primary tank to each of the plurality of secondary tanks by pressurizing the interior of the primary tank while the gas is kept inside the secondary tank.
- FIG. 1 is a diagram illustrating a configuration of a dispensing apparatus 100 according to the first embodiment of the disclosed technique.
- the dispensing apparatus 100 includes a primary tank 10, a plurality of secondary tanks 21, 22, 23, a control unit 50, and a primary side pressure adjustment unit 61.
- the case where the dispensing apparatus 100 includes three secondary tanks 21, 22, and 23 is illustrated, but the number of secondary tanks included in the dispensing apparatus 100 is two or four. There may be more than one.
- the primary tank 10 is a container that stores a liquid to be supplied.
- An outlet 11 is provided at the bottom of the primary tank 10, and the liquid flowing out of the primary tank 10 passes through the outlet 11.
- a primary discharge channel 30 is connected to the outlet 11, and branch channels 31, 32, and 33 are connected to the primary discharge channel 30.
- the secondary tank 21 is connected to the branch channel 31 and the secondary discharge channel 41.
- a circulation port 21a is provided at the bottom of the secondary tank 21, and the liquid flowing from the outside of the secondary tank 21 into the inside and the liquid flowing out from the inside of the secondary tank 21 pass through the circulation port 21a. To do.
- the secondary tank 22 is connected to the branch flow path 32 and the secondary side discharge flow path 42.
- a circulation port 22 a is provided at the bottom of the secondary tank 22, and the liquid flowing into the inside from the outside of the secondary tank 22 and the liquid flowing out from the inside of the secondary tank 22 pass through the circulation port 22 a. To do.
- the secondary tank 23 is connected to the branch flow path 33 and the secondary side discharge flow path 43.
- a circulation port 23a is provided at the bottom of the secondary tank 23, and the liquid flowing into the inside from the outside of the secondary tank 23 and the liquid flowing out from the inside of the secondary tank 23 pass through the circulation port 23a. To do.
- the secondary tanks 21, 22, and 23 are each made of a material whose volume does not change due to internal pressurization such as glass, plastic, or metal. Further, the secondary tanks 21, 22, and 23 have the same shape and volume. In addition, the mutually same shape and volume mean that it is the same within the range which accept
- the inflow side valves V11, V12, and V13 are provided in the middle of the branch flow paths 31, 32, and 33, respectively.
- Discharge side valves V21, V22, and V23 are provided in the middle of the secondary side discharge passages 41, 42, and 43, respectively.
- the inflow side valves V11, V12, V13 and the discharge side valves V21, V22, V23 each have a form of an electromagnetic valve that opens and closes in response to a control signal supplied from the control unit 50.
- the primary pressure adjusting unit 61 is connected to the primary tank 10 via the pipe 34.
- the primary side pressure adjustment unit 61 includes a pressure application device such as a compressor or a syringe pump, for example, and changes the pressure inside the primary tank 10 under the control of the control unit 50.
- the controller 50 controls the transfer of liquid from the primary tank 10 to each of the secondary tanks 21, 22, 23, and the discharge of liquid from the inside of the secondary tanks 21, 22, 23 to the outside. Specifically, the control unit 50 performs opening / closing control of the inflow side valves V11, V12, V13 and the discharge side valves V21, V22, V23. Further, the control unit 50 adjusts the pressure inside the primary tank 10 by performing drive control of the primary pressure adjusting unit 61.
- the control unit 50 is connected to each of the primary side pressure adjusting unit 61, the inflow side valves V11, V12, and V13 and the discharge side valves V21, V22, and V23 through individual control wirings. From the viewpoint of avoiding complexity, the illustration of these control wirings is omitted.
- the control unit 50 controls each of the primary pressure adjusting unit 61, the inflow side valves V11, V12, and V13 and the discharge side valves V21, V22, and V23 by supplying a control signal through the control wiring.
- the dispensing apparatus 100 transfers the liquid stored in the primary tank 10 to each of the secondary tanks 21, 22, 23 and then from each of the secondary tanks 21, 22, 23 to the secondary tanks 21, 22. , 23 is dispensed to the outside.
- the operation when the dispensing apparatus 100 performs the above-described dispensing process will be described in detail below.
- FIG. 2 is a flowchart showing a flow of processing performed by the control unit 50 when the dispensing device 100 performs the above-described dispensing processing.
- the liquid is contained in the primary tank 10, and the inflow side valves V11, V12, V13 and the discharge side valves V21, V22, V23 are closed.
- step S1 the control unit 50 controls the inflow side valves V11, V12, and V13 to be in an open state.
- step S ⁇ b> 2 the control unit 50 pressurizes the inside of the primary tank 10 by controlling the primary pressure adjusting unit 61.
- FIG. 3 is a diagram illustrating a state of the dispensing apparatus 100 at the stage where the process of step S2 is being performed.
- the liquid stored in the primary tank 10 is secondary through the branch channels 31, 32, 33. It is transferred to each of the tanks 21, 22 and 23.
- a liquid is injected into each of the secondary tanks 21, 22, and 23 from circulation ports 21 a, 22 a, and 23 a provided at the bottoms thereof.
- the liquid is transferred from the primary tank 10 to each of the secondary tanks 21, 22, 23 in a state where the gas inside each of the secondary tanks 21, 22, 23 is kept in the secondary tank. . Accordingly, as the amount of liquid injected into each of the secondary tanks 21, 22, 23 increases, the pressure inside each of the secondary tanks 21, 22, 23 increases.
- the volume and pressure of the gas inside each of the secondary tanks 21, 22, and 23 in the initial state before the liquid is injected into each of the secondary tanks 21, 22, and 23 are set to V0 and P0, respectively.
- the volume and pressure of the gas inside each of the secondary tanks 21, 22, 23 in a state where the liquid is injected into each of the secondary tanks 21, 22, 23 are set to V1 and P1, respectively.
- step S3 the control unit 50 controls the inflow side valves V11, V12, and V13 to be closed.
- FIG. 4 is a diagram illustrating a state of the dispensing apparatus 100 at the stage where the process of step S3 is performed.
- Each of the secondary tanks 21, 22, and 23 contains substantially the same amount of liquid.
- the control unit 50 stops the pressurization inside the primary tank 10 by the primary side pressure adjusting unit 61.
- step S4 the control unit 50 controls the discharge side valves V21, V22, and V23 to be in an open state.
- FIG. 5 is a diagram illustrating a state of the dispensing apparatus 100 at the stage where the process of step S4 is performed.
- controller 50 may simultaneously discharge the liquid from each of the secondary tanks 21, 22, and 23 by controlling the discharge side valves V21, V22, and V23 to be in an open state at the same time. Further, the control unit 50 may discharge the liquid from each of the secondary tanks 21, 22 and 23 step by step by sequentially controlling the discharge side valves V21, V22 and V23 to be opened.
- a small container (not shown), which is the final destination of the liquid, is arranged at the end of the secondary discharge channels 41, 42, 43, and liquid is injected into each of the small containers. Is done.
- the transfer destination of the liquid discharged from each of the secondary tanks 21, 22, and 23 may be, for example, a processing apparatus that performs a predetermined process on the liquid.
- the liquid is transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23 by pressurization inside the primary tank 10. Further, the liquid is discharged to the outside of the secondary tanks 21, 22, 23 by the residual pressure and gravity inside each of the secondary tanks 21, 22, 23.
- the dispensing apparatus 100 according to the present embodiment can be suitably used when handling a liquid containing fine particles that are fragile to mechanical external forces such as gel beads, liposomes, cells, and cell masses.
- the secondary tank 21 , 22 and 23 the product of gas volume and pressure is always constant. Accordingly, as the amount of liquid injected into each of the secondary tanks 21, 22, 23 increases, the pressure inside each of the secondary tanks 21, 22, 23 increases.
- the amount of liquid injected into the secondary tank 21 is greater than that of the other secondary tanks 22, 23. Assume that the number increases. In this case, the pressure inside the secondary tank 21 becomes higher than the pressure inside each of the other secondary tanks 22 and 23.
- the inflow of the liquid to the secondary tank 21 acts so as to be suppressed as compared with the other secondary tanks 22 and 23. That is, while the liquid is being sent to each of the secondary tanks 21, 22, and 23, the secondary tanks 21, 22, and 23 are controlled so that the pressure difference inside the secondary tanks 21, 22, and 23 is reduced. The amount of liquid injected into each is adjusted. As a result, the liquid is distributed substantially evenly from the primary tank 10 to each of the secondary tanks 21, 22, and 23.
- the dispensing apparatus 100 As is clear from the above description, according to the dispensing apparatus 100 according to the present embodiment, substantially the same amount of liquid is transferred to a plurality of destinations while suppressing mechanical external force applied to the liquid to be sent. It becomes possible to transfer to.
- a liquid in which microcapsules in which a functional liquid that expresses a desired function is enclosed is dispersed is preferably used for distributing to a plurality of small containers. Can do.
- the gas staying inside each of the branch flow paths 31, 32, 33 is respectively the secondary tanks 21, 22. , 23, the pressure inside each of the secondary tanks 21, 22, 23 rises. That is, it is assumed that the gas staying inside each of the branch flow paths 31, 32, 33 affects the pressure inside each of the secondary tanks 21, 22, 23. Therefore, by making the volumes of the branch flow paths 31, 32, and 33 the same, the gas staying in each of the branch flow paths 31, 32, 33 is stored in the secondary tanks 21, 22, 23. It is preferable to minimize the difference in influence on the internal pressure of each. Note that the same volume means that they are the same within a range that allows an error.
- FIG. 6 is a diagram illustrating a configuration of a dispensing device 100A according to the second embodiment of the disclosed technique.
- the dispensing apparatus 100A according to the second embodiment is different from the dispensing apparatus 100 according to the first embodiment in that it further includes a secondary pressure adjusting unit 62 and pressure adjusting valves V24, V25, and V26.
- the secondary side pressure adjusting unit 62 is connected to each of the secondary tanks 21, 22, and 23 via a common pipe 70 and individual pipes 71, 72, and 73.
- the secondary side pressure adjustment unit 62 includes, for example, a pressure application device such as a compressor or a syringe pump, and has a function of pressurizing and depressurizing the inside of each of the secondary tanks 21, 22, and 23. Further, the secondary side pressure adjusting unit 62 has a function of opening the inside of each of the secondary tanks 21, 22, and 23 to the atmosphere.
- Gas circulation ports 21b, 22b, and 23b are respectively provided in the upper portions of the secondary tanks 21, 22, and 23, and the gas circulation ports 21b, 22b, and 23b are connected to the individual pipes 71, 72, and 73, respectively. Has been.
- the pressure adjustment valves V24, V25, V26 are provided in the middle of the individual pipes 71, 72, 73, respectively.
- the pressure adjustment valves V24, V25, and V26 each have a form of an electromagnetic valve that opens and closes in response to a control signal supplied from the control unit 50.
- the control unit 50 controls the opening and closing of the inflow side valves V11, V12, V13 and the discharge side valves V21, V22, V23, as well as the pressure adjustment valves V24, V25, V26. Also performs open / close control.
- the dispensing device 100 ⁇ / b> A controls the pressure inside each of the secondary tanks 21, 22, and 23 by controlling the operation of the secondary pressure adjusting unit 62. Do.
- FIG. 7 is a flowchart showing a flow of processing performed by the control unit 50 when the dispensing device 100A performs dispensing processing.
- the liquid is contained in the primary tank 10, and the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- step S11 the control unit 50 controls the inflow side valves V11, V12, V13 to be in an open state.
- step S12 the control unit 50 pressurizes the inside of the primary tank 10 by controlling the primary pressure adjusting unit 61.
- the liquid stored in the primary tank 10 is secondary through the branch channels 31, 32, 33. It is transferred to each of the tanks 21, 22 and 23.
- a liquid is injected into each of the secondary tanks 21, 22, and 23 from circulation ports 21 a, 22 a, and 23 a provided at the bottoms thereof.
- the pressure adjustment valves V24, V25, and V26 are kept closed. That is, the liquid is transferred from the primary tank 10 to each of the secondary tanks 21, 22, 23 in a state where the gas inside each of the secondary tanks 21, 22, 23 is kept in the secondary tank. Done. Accordingly, as the amount of liquid injected into each of the secondary tanks 21, 22, 23 increases, the pressure inside each of the secondary tanks 21, 22, 23 increases. When the internal pressure of each of the secondary tanks 21, 22, 23 becomes equal to the internal pressure of the primary tank 10, the liquid flow from the primary tank 10 toward each of the secondary tanks 21, 22, 23 stops. It becomes. By sending the liquid to each of the secondary tanks 21, 22, and 23, the pressure inside each of the secondary tanks 21, 22, and 23 rises to a pressure higher than the atmospheric pressure.
- FIG. 6 shows the state of the dispensing apparatus 100A at the stage where the process of step S13 is performed.
- the control unit 50 stops the pressurization inside the primary tank 10 by the primary side pressure adjusting unit 61.
- step S14 the control unit 50 controls the pressure adjustment valves V24, V25, and V26 to be in an open state. Thereafter, the control unit 50 controls the secondary side pressure adjustment unit 62 to release the interior of each of the secondary tanks 21, 22, and 23 to the atmosphere.
- FIG. 8 is a diagram illustrating a state of the dispensing apparatus 100A at the stage where the process of step S14 is performed.
- step S15 the control unit 50 controls the discharge side valves V21, V22, and V23 to be in an open state.
- the liquid stored in each of the secondary tanks 21, 22, and 23 is discharged to the outside of the secondary tanks 21, 22, and 23 via the secondary side discharge passages 41, 42, and 43, respectively. Is done.
- step S14 the residual pressure in each of the secondary tanks 21, 22, and 23 is eliminated by opening the interior of each of the secondary tanks 21, 22, and 23 to the atmosphere. If the liquid is discharged with the residual pressure inside the secondary tanks 21, 22, and 23 being excessively high, the secondary tanks 21, 22 and V23 will be opened at the moment when the discharge valves V21, V22, and V23 are shifted to the open state.
- the liquid is vigorously discharged from each of 22 and 23 and the mechanical external force applied to the liquid becomes large.
- the interior of each of the secondary tanks 21, 22, and 23 is opened to the atmosphere before the liquid is discharged from each of the secondary tanks 21, 22, and 23.
- step S16 the control unit 50 pressurizes the inside of each of the secondary tanks 21, 22, and 23 by controlling the secondary pressure adjustment unit 62.
- FIG. 9 is a diagram illustrating a state of the dispensing apparatus 100A at the stage where the process of step S16 is performed. By pressurizing the inside of each of the secondary tanks 21, 22, 23, discharge of the liquid to the outside of the secondary tanks 21, 22, 23 is promoted.
- the dispensing apparatus 100A before the liquid is discharged from each of the secondary tanks 21, 22, and 23, the inside of each of the secondary tanks 21, 22, and 23 is Since the air is released to the atmosphere, it is possible to prevent the liquid from being discharged from each of the secondary tanks 21, 22, and 23 at the moment when the discharge side valves V21, V22, and V23 are shifted to the open state. Thereby, when discharging a liquid from the inside of the secondary tank 21, 22, 23, the mechanical external force added to a liquid can be suppressed.
- each of the secondary tanks 21, 22, and 23 is pressurized after the discharge side valves V21, V22, and V23 are shifted to the open state.
- the discharge of the liquid to the outside of the secondary tanks 21, 22, 23 can be promoted.
- the secondary side pressure adjustment unit 62 is shared by the plurality of secondary tanks 21, 22, and 23 is illustrated.
- the plurality of secondary side pressure adjustment units include a plurality of secondary tanks. It may be provided corresponding to each of 21, 22, and 23.
- FIG. 10 is a diagram illustrating a configuration of a dispensing apparatus 100B according to the third embodiment of the disclosed technique.
- the dispensing apparatus 100B according to the third embodiment is different from the dispensing apparatus 100A according to the second embodiment described above in that pressure sensors 81, 82, and 83 are further included.
- the pressure sensors 81, 82, 83 detect the internal pressures of the secondary tanks 21, 22, 23, and supply detection signals indicating the detected pressures to the control unit 50. Based on the detection signals supplied from each of the pressure sensors 81, 82, 83, the control unit 50 performs primary pressure adjustment unit 61, secondary pressure adjustment unit 62, inflow side valves V11, V12, V13, and pressure adjustment. By controlling the valves V24, V25, and V26, liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, and 23 is controlled.
- FIG. 11 is a flowchart showing a flow of processing performed by the control unit 50 when the dispensing device 100B performs dispensing processing.
- the liquid is contained in the primary tank 10, and the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- step S21 the control unit 50 controls the inflow side valves V11, V12, and V13 to be in an open state.
- step S22 the control unit 50 pressurizes the inside of the primary tank 10 by controlling the primary pressure adjusting unit 61.
- the liquid stored in the primary tank 10 is secondary through the branch channels 31, 32, 33. It is transferred to each of the tanks 21, 22 and 23.
- a liquid is injected into each of the secondary tanks 21, 22, and 23 from circulation ports 21 a, 22 a, and 23 a provided at the bottoms thereof.
- control unit 50 controls the primary pressure adjustment unit 61 to increase the pressure inside the primary tank 10 in a stepwise manner. Thereby, liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, 23 is performed in stages, and the internal pressure of each of the secondary tanks 21, 22, 23 also increases in stages.
- step S22 the control unit 50 determines the primary tank in each stage when the pressure inside the primary tank 10 is increased stepwise based on the detection signals supplied from the pressure sensors 81, 82, and 83. Adjust the internal pressure of 10.
- the controller 50 controls the secondary tanks 21, 22, 23 indicated by the detection signals supplied from the pressure sensors 81, 82, 83 at each stage when the pressure inside the primary tank 10 is increased stepwise.
- the pressure in the primary tank 10 at each stage is determined so that the average value of each pressure becomes a predetermined value. That is, the control unit 50 feedback-controls the pressure inside the primary tank 10 using the detection signals supplied from the pressure sensors 81, 82, and 83.
- step S23 the control unit 50 individually controls the inflow valves V11, V12, V13 to be closed based on the detection signals supplied from the pressure sensors 81, 82, 83. For example, the control unit 50 determines that the stored liquid amount estimated from the pressure detected by the pressure sensors 81, 82, 83 among the secondary tanks 21, 22, 23 has reached a predetermined amount.
- the inflow side valve corresponding to the tank is controlled to be closed. For example, when the control unit 50 determines that the amount of liquid stored in the secondary tank 21 has reached a predetermined amount based on the detection signal supplied from the pressure sensor 81, the inflow side valve V11 is closed. To complete the liquid feeding to the secondary tank 21.
- step S24 the control unit 50 controls the pressure adjustment valves V24, V25, and V26 to be in an open state. Thereafter, the control unit 50 controls the secondary side pressure adjustment unit 62 to release the interior of each of the secondary tanks 21, 22, and 23 to the atmosphere.
- step S25 the control unit 50 controls the discharge side valves V21, V22, and V23 to be in an open state. Thereby, the liquid stored in each of the secondary tanks 21, 22, and 23 is discharged to the outside of the secondary tanks 21, 22, and 23 via the secondary side discharge passages 41, 42, and 43, respectively. Is done.
- step S26 the control unit 50 pressurizes the inside of each of the secondary tanks 21, 22, and 23 by controlling the secondary pressure adjusting unit 62. Thereby, the discharge of the liquid to the outside of the secondary tanks 21, 22, 23 is promoted.
- the primary tank is based on the detection signals supplied from the pressure sensors 81, 82, and 83 provided in the secondary tanks 21, 22, and 23, respectively. 10 pressures are adjusted. Thereby, the liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, and 23 can be performed in a more controllable manner. For example, it is possible to more precisely control the flow rate of the liquid transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23.
- the amount of stored liquid estimated from the pressures detected by the pressure sensors 81, 82, and 83 among the secondary tanks 21, 22, and 23 reaches a predetermined amount.
- the inflow side valve corresponding to the secondary tank determined to be closed is controlled to be closed.
- the secondary tanks 21, 22, 23 are individually controlled based on the pressures detected by the pressure sensors 81, 82, 83 by individually controlling the timing of closing the inflow valves V11, V12, V13. It is possible to further improve the uniformity of the amount of liquid contained in each of the above.
- FIG. 12 is a flowchart showing another example of the flow of processing performed by the control unit 50 when the dispensing device 100B performs dispensing processing.
- the liquid is contained in the primary tank 10, and the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- step S31 the control unit 50 controls the inflow side valves V11, V12, and V13 to be in an open state.
- step S32 the control unit 50 pressurizes the inside of the primary tank 10 by controlling the primary pressure adjusting unit 61.
- the liquid stored in the primary tank 10 is secondary through the branch channels 31, 32, 33. It is transferred to each of the tanks 21, 22 and 23.
- a liquid is injected into each of the secondary tanks 21, 22, and 23 from circulation ports 21 a, 22 a, and 23 a provided at the bottoms thereof.
- control unit 50 controls the primary pressure adjustment unit 61 to increase the pressure inside the primary tank 10 in a stepwise manner. Thereby, liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, 23 is performed in stages, and the internal pressure of each of the secondary tanks 21, 22, 23 also increases in stages.
- step S33 the control unit 50 controls the pressure adjustment valves V24, V25, and V26 to be in an open state, and based on the detection signals supplied from the pressure sensors 81, 82, and 83, the secondary side pressure adjustment unit 62. Is adjusted to adjust the internal pressure of each of the secondary tanks 21, 22, and 23.
- the secondary side pressure adjustment unit 62 performs the following operations under the control of the control unit 50.
- the pressure inside each of the secondary tanks 21, 22, and 23 is changed.
- the secondary-side pressure adjustment unit 62 determines that the stored liquid amount estimated from the pressure detected by the pressure sensors 81, 82, and 83 among the secondary tanks 21, 22, and 23 is the pressure inside the primary tank 10.
- the internal pressure of the secondary tank determined to be smaller than the reference liquid amount determined for each stage when the pressure is raised is reduced. Thereby, the liquid feeding to the secondary tank determined that the amount of stored liquid is smaller than the reference liquid amount is promoted.
- the secondary-side pressure adjusting unit 62 has a stored liquid amount estimated from the pressure detected by the pressure sensors 81, 82, and 83 among the secondary tanks 21, 22, and 23, more than the above-described reference liquid amount. Pressurize the inside of the secondary tank that is determined to be large. Thereby, the liquid feeding to the secondary tank determined that the amount of liquid to be stored is larger than the reference liquid amount is suppressed.
- step S34 the control unit 50 individually controls the inflow valves V11, V12, V13 to be closed based on the detection signals supplied from the pressure sensors 81, 82, 83. For example, the control unit 50 determines that the stored liquid amount estimated from the pressure detected by the pressure sensors 81, 82, 83 among the secondary tanks 21, 22, 23 has reached a predetermined amount. The inflow side valve corresponding to the tank is controlled to be closed.
- step S ⁇ b> 35 the control unit 50 controls the secondary side pressure adjustment unit 62 to control the secondary tanks 21, 22. , 23 is opened to the atmosphere.
- step S36 the control unit 50 controls the discharge side valves V21, V22, and V23 to be in an open state. Thereby, the liquid stored in each of the secondary tanks 21, 22, and 23 is discharged to the outside of the secondary tanks 21, 22, and 23 via the secondary side discharge passages 41, 42, and 43, respectively. Is done.
- step S37 the control unit 50 pressurizes the interior of each of the secondary tanks 21, 22, and 23 by controlling the secondary pressure adjusting unit 62. Thereby, the discharge of the liquid to the outside of the secondary tanks 21, 22, 23 is promoted.
- the secondary is based on the detection signals supplied from the pressure sensors 81, 82, and 83.
- the uniformity of the amount of liquid stored in each of the secondary tanks 21, 22, 23 can be further improved.
- the pressure sensor 81, 82, and 83 are provided in each of the secondary tanks 21, 22, and 23 is illustrated, but the pressure sensor is provided in any one of the secondary tanks 21, 22, and 23. May be provided.
- the pressure value indicated by the detection signal of the one pressure sensor is used as a representative value representing the internal pressure value of each of the secondary tanks 21, 22, and 23.
- the pressure value indicated by the detection signal of one pressure sensor can be used as a representative value.
- step S11 the pressure inside the primary tank 10 is adjusted based on this representative value.
- step S34 of the process shown in FIG. 12 each of the inflow valves V11, V12, V13 is controlled to be closed simultaneously based on this representative value.
- step S33 of the process shown in FIG. 12 the internal pressure of each of the secondary tanks 21, 22, and 23 is adjusted based on this representative value.
- FIG. 13 is a diagram illustrating a configuration of a dispensing apparatus 100C according to the fourth embodiment of the disclosed technique.
- the dispensing device 100C according to the fourth embodiment is different from the dispensing device 100A according to the second embodiment in that it further includes level sensors 91, 92, and 93.
- the pressure sensor 81, 82, 83 in the dispensing device 100B according to the third embodiment is replaced with the level sensor 91, 92, 93.
- the level sensors 91, 92, 93 detect the height of the liquid level stored in the secondary tanks 21, 22, 23, respectively, and send detection signals indicating the detected liquid level height to the control unit 50. Supply. Based on the detection signals supplied from each of the level sensors 91, 92, 93, the controller 50 controls the primary pressure regulator 61, the secondary pressure regulator 62, the inflow valves V11, V12, V13, and the pressure regulator. By controlling the valves V24, V25, and V26, liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, and 23 is controlled.
- FIG. 14 is a flowchart showing a flow of processing performed by the control unit 50 when the dispensing device 100C performs dispensing processing.
- the liquid is contained in the primary tank 10, and the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- step S41 the control unit 50 controls the inflow side valves V11, V12, and V13 to be in an open state.
- step S42 the control unit 50 pressurizes the inside of the primary tank 10 by controlling the primary pressure adjusting unit 61.
- the liquid stored in the primary tank 10 is secondary through the branch channels 31, 32, 33. It is transferred to each of the tanks 21, 22 and 23.
- a liquid is injected into each of the secondary tanks 21, 22, and 23 from circulation ports 21 a, 22 a, and 23 a provided at the bottoms thereof.
- control unit 50 controls the primary pressure adjustment unit 61 to increase the pressure inside the primary tank 10 in a stepwise manner. Thereby, liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, 23 is performed in stages, and the internal pressure of each of the secondary tanks 21, 22, 23 also increases in stages.
- step S42 the control unit 50 determines the primary tank in each stage when the pressure inside the primary tank 10 is increased stepwise based on the detection signal supplied from each of the level sensors 91, 92, 93. Adjust the internal pressure of 10.
- the controller 50 controls the secondary tanks 21, 22, 23 indicated by the detection signals supplied from the level sensors 91, 92, 93 at each stage when the pressure inside the primary tank 10 is increased stepwise.
- the pressure inside the primary tank 10 at each stage is determined so that the average value of the heights of the respective liquid levels becomes a predetermined value. That is, the control unit 50 feedback-controls the pressure inside the primary tank 10 using the detection signals supplied from the level sensors 91, 92, and 93.
- step S43 the control unit 50 individually controls the inflow valves V11, V12, V13 to be closed based on the detection signals supplied from the level sensors 91, 92, 93. For example, the control unit 50 determines that the stored liquid amount estimated from the height of the liquid level detected by the level sensors 91, 92, 93 among the secondary tanks 21, 22, 23 has reached a predetermined amount. The inflow side valve corresponding to the made secondary tank is closed.
- step S44 the control unit 50 controls the pressure adjustment valves V24, V25, and V26 to be opened. Thereafter, the control unit 50 controls the secondary side pressure adjustment unit 62 to release the interior of each of the secondary tanks 21, 22, and 23 to the atmosphere.
- step S45 the control unit 50 controls the discharge side valves V21, V22, and V23 to be in an open state. Thereby, the liquid stored in each of the secondary tanks 21, 22, and 23 is discharged to the outside of the secondary tanks 21, 22, and 23 via the secondary side discharge passages 41, 42, and 43, respectively. Is done.
- step S46 the control unit 50 pressurizes the inside of each of the secondary tanks 21, 22, and 23 by controlling the secondary pressure adjusting unit 62. Thereby, the discharge of the liquid to the outside of the secondary tanks 21, 22, 23 is promoted.
- the primary tank is based on the detection signals supplied from the level sensors 91, 92, and 93 provided in the secondary tanks 21, 22, and 23, respectively. 10 pressures are adjusted. Thereby, the liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, and 23 can be performed in a more controllable manner. For example, it is possible to more precisely control the flow rate of the liquid transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23.
- the amount of stored liquid estimated from the height of the liquid level detected by the level sensors 91, 92, and 93 among the secondary tanks 21, 22, and 23 is increased.
- the inflow side valve corresponding to the secondary tank determined to have reached the predetermined amount is controlled to be closed.
- the secondary tank 21 is controlled by individually controlling the timing of closing the inflow valves V11, V12, and V13 based on the liquid level detected by the level sensors 91, 92, and 93. , 22, and 23, the uniformity of the amount of liquid stored in each can be further improved.
- FIG. 15 is a flowchart showing another example of the flow of processing performed by the control unit 50 when the dispensing device 100C performs dispensing processing.
- the liquid is contained in the primary tank 10, and the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- the inflow side valves V11, V12, V13, the discharge side valves V21, V22, V23 and the pressure adjustment valves V24, V25, V26 are closed.
- step S51 the control unit 50 controls the inflow valves V11, V12, and V13 to be in an open state.
- step S52 the control unit 50 pressurizes the inside of the primary tank 10 by controlling the primary pressure adjusting unit 61.
- the liquid stored in the primary tank 10 is secondary through the branch channels 31, 32, 33. It is transferred to each of the tanks 21, 22 and 23.
- a liquid is injected into each of the secondary tanks 21, 22, and 23 from circulation ports 21 a, 22 a, and 23 a provided at the bottoms thereof.
- control unit 50 controls the primary pressure adjustment unit 61 to increase the pressure inside the primary tank 10 in a stepwise manner. Thereby, liquid feeding from the primary tank 10 to each of the secondary tanks 21, 22, 23 is performed in stages, and the internal pressure of each of the secondary tanks 21, 22, 23 also increases in stages.
- step S53 the control unit 50 controls the pressure adjustment valves V24, V25, V26 to be in an open state, and based on the detection signals supplied from the level sensors 91, 92, 93, the secondary side pressure adjustment unit 62. Is adjusted to adjust the internal pressure of each of the secondary tanks 21, 22, and 23.
- the secondary side pressure adjustment unit 62 performs the following operations under the control of the control unit 50.
- the pressure inside each of the secondary tanks 21, 22, and 23 is changed.
- the secondary-side pressure adjustment unit 62 is configured so that the stored liquid amount estimated from the level of the liquid level detected by the level sensors 91, 92, and 93 among the secondary tanks 21, 22, and 23 is within the primary tank 10.
- the pressure in the secondary tank that is determined to be smaller than the reference liquid amount determined for each stage when the pressure is increased stepwise is reduced. Thereby, the liquid feeding to the secondary tank determined that the amount of stored liquid is smaller than the reference liquid amount is promoted.
- the secondary-side pressure adjusting unit 62 is configured so that the amount of stored liquid estimated from the height of the liquid level detected by the level sensors 91, 92, and 93 among the secondary tanks 21, 22, and 23 Pressurize the inside of the secondary tank determined to be larger than the liquid volume. Thereby, the liquid feeding to the secondary tank determined that the amount of liquid to be stored is larger than the reference liquid amount is suppressed.
- step S54 the control unit 50 individually controls the inflow valves V11, V12, V13 to be closed based on the detection signals supplied from the level sensors 91, 92, 93. For example, the control unit 50 determines that the stored liquid amount estimated from the height of the liquid level detected by the level sensors 91, 92, 93 among the secondary tanks 21, 22, 23 has reached a predetermined amount. The inflow side valve corresponding to the made secondary tank is closed.
- control unit 50 controls the secondary side pressure adjustment unit 62 in step S ⁇ b> 55 to control the secondary tanks 21, 22. , 23 is opened to the atmosphere.
- step S56 the control unit 50 controls the discharge side valves V21, V22, and V23 to be in an open state. Thereby, the liquid stored in each of the secondary tanks 21, 22, and 23 is discharged to the outside of the secondary tanks 21, 22, and 23 via the secondary side discharge passages 41, 42, and 43, respectively. Is done.
- step S57 the control unit 50 pressurizes the inside of each of the secondary tanks 21, 22, and 23 by controlling the secondary pressure adjusting unit 62. Thereby, the discharge of the liquid to the outside of the secondary tanks 21, 22, 23 is promoted.
- the level sensors 91, 92, and 93 are provided in the secondary tanks 21, 22, and 23, respectively, is illustrated, but the level sensor is provided in any one of the secondary tanks 21, 22, and 23. May be provided.
- the height of the liquid level indicated by the detection signal of the one level sensor is used as a representative value representing the height of the liquid level of each of the secondary tanks 21, 22, and 23.
- the dispensing apparatus 100C while the liquid is being transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23, the liquid is accommodated in each of the secondary tanks 21, 22, and 23. Since the height of the liquid level rises substantially uniformly, the height of the liquid level indicated by the detection signal of one level sensor can be used as a representative value.
- step S42 of the process shown in FIG. 14 the pressure inside the primary tank 10 is adjusted based on this representative value.
- step S43 of the process shown in FIG. 14 and step S54 of the process shown in FIG. 15 each of the inflow side valves V11, V12, V13 is controlled to be closed at the same time based on this representative value.
- step S53 of the process shown in FIG. 15 the internal pressure of each of the secondary tanks 21, 22, and 23 is adjusted based on this representative value.
- FIG. 16 is a diagram illustrating a configuration of a dispensing apparatus 100D according to the fifth embodiment of the disclosed technique.
- Dispensing device 100D is different from dispensing device 100A according to the second embodiment described above in that it further includes a first filter 63 and a second filter 64.
- the first filter 63 is provided in the middle of the pipe 34 that connects the primary pressure adjusting unit 61 and the primary tank 10.
- the first filter 63 is configured so that the primary component of the unnecessary tank contained in the gas supplied from the primary pressure regulator 61 to the primary tank 10 when the primary pressure regulator 61 pressurizes the inside of the primary tank 10. Suppresses inflow to the inside.
- the first filter 63 may be a sterile filter.
- the second filter 64 is provided in the middle of the common pipe 70 that connects the secondary pressure adjusting unit 62 and the secondary tanks 21, 22, and 23.
- the second filter 64 is supplied from the secondary side pressure adjusting unit 62 to the secondary tanks 21, 22, 23 when the secondary side pressure adjusting unit 62 pressurizes the inside of the secondary tanks 21, 22, 23. Inflow of unnecessary components contained in the gas into the secondary tanks 21, 22, and 23 is suppressed.
- the second filter 64 may be a sterile filter.
- the first filter 63 is provided in the middle of the pipe 34, and the second filter 64 is provided in the middle of the common pipe 70.
- the inflow of unnecessary components into each of the primary tank 10 and the secondary tanks 21, 22, and 23 can be suppressed.
- FIG. 17 is a diagram illustrating a configuration of a dispensing apparatus 100E according to the sixth embodiment of the disclosed technology.
- the dispensing device 100E differs from the dispensing device 100D according to the fifth embodiment described above in the configuration of the secondary tank and the arrangement of the second filter 64.
- FIG. 17 only one secondary tank 21 is shown, but other secondary tanks (not shown) have the same configuration as the secondary tank 21.
- the secondary tank 21 includes a first portion 211 and a second portion 212.
- the first portion 211 is a portion that stores the liquid transferred from the primary tank 10.
- the second part 212 is connected to the first part 211 via the connection pipe 213.
- the second portion 212 has a gas flow port 201 into which the gas supplied from the secondary side pressure adjustment unit 62 flows.
- the first portion 211 and the second portion 212 are in communication with each other via a connection pipe 213. Therefore, the gas supplied from the secondary pressure adjusting unit 62 can flow not only into the second portion 212 but also into the first portion 211 via the connection pipe 213.
- the liquid that is injected into the first portion 211 via the flow port 21a is fed in a liquid amount that does not flow into the second portion 212.
- the second filter 64 is provided in the middle of the flow path of the connection pipe 213.
- the second filter 64 is connected to the first filter 211 from the secondary pressure regulator 62 when the secondary pressure regulator 62 pressurizes the inside of the first portion 211 and the second portion 212 of the secondary tank 21. Inflow of unnecessary components contained in the gas supplied to the portion 211 and the second portion 212 into the first portion 211 is suppressed.
- the inflow of unnecessary components into the first portion 211 of the primary tank 10 and the secondary tank 21 can be suppressed.
- the secondary tank 21 includes the first part 211 and the second part 211 that are separated from each other. Thereby, each volume of the 1st part 211 and the 2nd part 212 can be made small, ensuring the volume of the whole secondary tank 21.
- FIG. According to the dispensing apparatus 100E according to the present embodiment, the portion in the secondary tank 21 in which the liquid is stored is the first portion 211. Therefore, when the secondary tank 21 is sterilized, only the first portion 211 needs to be sterilized. Therefore, according to the dispensing apparatus 100E according to the present embodiment, it is possible to suppress a decrease in workability of the sterilization process even if the entire volume of the secondary tank 21 is increased.
- FIG. 18 is a diagram illustrating a configuration of a dispensing apparatus 100F according to the seventh embodiment of the disclosed technology.
- Dispensing device 100E differs from dispensing device 100 according to the first embodiment described above in that primary tank 10 has a stirring function of stirring the liquid contained in primary tank 10.
- Stirring method is not particularly limited, and for example, stirring may be performed by rotation of a stirring blade provided in the primary tank 10. Further, stirring may be performed by vibration or swinging of the primary tank 10. Further, the agitation may be performed by bubbling of the liquid stored in the primary tank 10. Further, stirring may be performed by sucking up the liquid on the bottom surface side of the primary tank with a pump or the like and returning the sucked liquid back into the primary tank.
- the primary tank 10 has a stirring function, for example, when the liquid stored in the primary tank contains a plurality of fine particles, the fine particles can be dispersed substantially uniformly in the primary tank 10. Accordingly, it is possible to transfer a liquid in which fine particles are dispersed substantially uniformly from the primary tank 10 to each of the secondary tanks 21, 22, and 23. In the liquid stored in each of the secondary tanks 21, 22, and 23, The density of the fine particles can be made substantially uniform.
- the primary tank 10 has a stirring function, for example, when the liquid stored in the primary tank includes a plurality of components, the plurality of components can be mixed substantially uniformly in the primary tank 10. Therefore, it becomes possible to transfer a liquid in which a plurality of components are mixed substantially uniformly from the primary tank 10 to each of the secondary tanks 21, 22, 23, and is stored in each of the secondary tanks 21, 22, 23. In the liquid, the concentration ratio of the plurality of components can be made substantially uniform.
- FIG. 19 is a diagram illustrating a configuration of a dispensing apparatus 100G according to the eighth embodiment of the disclosed technology.
- the dispensing apparatus 100G is different from the dispensing apparatus 100 according to the first embodiment in that the primary tank 10 has a plurality of outlets 11a, 11b, and 11c at the bottom thereof. Outflow ports 11a, 11b, and 11c are connected to branch flow paths 31, 32, and 33, respectively.
- a branch portion of the liquid transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23 is provided in the primary discharge channel 30.
- the dispensing device 100D according to the present embodiment it is provided at the bottom of the primary tank 10.
- the liquid transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23 contains a plurality of fine particles
- the flow between the flow paths at the branch destinations Therefore, the density of fine particles tends to be uneven. Therefore, it is preferable to arrange the liquid branch in a relatively wide space.
- the primary tank 10 since the primary tank 10 has a plurality of outlets 11a, 11b, and 11c, the liquid transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23.
- This branch portion is arranged at the bottom of the primary tank 10. Accordingly, each of the secondary tanks 21, 22, and 23 is compared with the case where the branch portion of the liquid transferred from the primary tank 10 to each of the secondary tanks 21, 22, and 23 is provided in the primary-side discharge flow path 30. It is possible to improve the uniformity of the density of the fine particles in the liquid contained in the container.
- FIG. 20 is a perspective view showing an example of the configuration of the primary tank 10 having a plurality of outlets 11 at the bottom.
- the primary tank 10 has a cylindrical shape, and a plurality of outlets 11 are provided along the outer edge of the bottom surface. Each of the plurality of outlets 11 is connected to the secondary tank via a branch channel.
- the components of the dispensing apparatus according to the first to eighth embodiments described above can be combined as appropriate.
- the first filter 63 and the second filter 64 of the dispensing device 100D according to the fifth embodiment may be applied to the dispensing devices according to the second to fourth embodiments.
- the configuration of the secondary tank 21 of the dispensing device 100E according to the sixth embodiment, the first filter 63, and the second filter 64 are applied to the dispensing devices according to the second to fourth embodiments. May be.
- the configuration of the primary tank 10 of the dispensing apparatus 100F according to the seventh embodiment may be applied to the dispensing apparatus according to the first to sixth embodiments. Further, the configuration of the primary tank 10 of the dispensing apparatus 100G according to the eighth embodiment may be applied to the dispensing apparatus according to the first to seventh embodiments.
- the primary side pressure adjustment part 61 and the control part 50 are an example of the primary side pressure adjustment means in the technique of an indication.
- the secondary side pressure adjustment unit 62, the control unit 50, and the pressure adjustment valves V24, V25, V26 are examples of secondary side pressure adjustment means in the disclosed technology.
- Inflow side valves V11, V12, and V13 are examples of the 1st valve in the art of an indication.
- the discharge side valves V21, V22, and V23 are examples of the second valve in the disclosed technology.
- the secondary side discharge channels 41, 42, and 43 are examples of the discharge channel in the disclosed technology.
- the pressure sensors 81, 82, and 83 and the level sensors 91, 92, and 93 are examples of the state detection unit in the disclosed technology.
Abstract
Description
図1は、開示の技術の第1の実施形態に係る分注装置100の構成を示す図である。分注装置100は、一次タンク10、複数の二次タンク21、22、23、制御部50及び一次側圧力調整部61を含んで構成されている。なお、本実施形態では、分注装置100が、3つの二次タンク21、22、23を備える場合を例示しているが、分注装置100が備える二次タンクの数は、2つまたは4つ以上であってもよい。
P0×V0=P1×V1 ・・・(1)
すなわち、二次タンク21、22、23の各々を密閉した状態で、二次タンク21、22、23の各々に液体を移送する場合、二次タンク21、22、23の各々の内部の気体の体積と圧力との積は常に一定である。
図6は、開示の技術の第2の実施形態に係る分注装置100Aの構成を示す図である。第2の実施形態に係る分注装置100Aは、二次側圧力調整部62及び圧力調整バルブV24、V25、V26を更に含む点が、第1の実施形態に係る分注装置100と異なる。
図10は、開示の技術の第3の実施形態に係る分注装置100Bの構成を示す図である。第3の実施形態に係る分注装置100Bは、圧力センサ81、82、83を更に含む点が、上記した第2の実施形態に係る分注装置100Aと異なる。
図13は、開示の技術の第4の実施形態に係る分注装置100Cの構成を示す図である。第4の実施形態に係る分注装置100Cは、レベルセンサ91、92、93を更に含む点が、第2の実施形態に係る分注装置100Aと異なる。換言すれば、第3の実施形態に係る分注装置100Bにおける圧力センサ81、82、83をレベルセンサ91、92、93に置き換えた構成を有する。
図16は、開示の技術の第5の実施形態に係る分注装置100Dの構成を示す図である。分注装置100Dは、第1のフィルタ63及び第2のフィルタ64を更に含む点が、上記した第2の実施形態に係る分注装置100Aと異なる。
図17は、開示の技術の第6の実施形態に係る分注装置100Eの構成を示す図である。分注装置100Eは、二次タンクの構成及び第2のフィルタ64の配置が、上記した第5の実施形態に係る分注装置100Dと異なる。なお、図17においては、1つの二次タンク21のみが示されているが、図示しない他の二次タンクも二次タンク21と同様の構成を有する。
図18は、開示の技術の第7の実施形態に係る分注装置100Fの構成を示す図である。分注装置100Eは、一次タンク10が、一次タンク10の内部に収容された液体を撹拌する撹拌機能を有している点が、上記した第1の実施形態に係る分注装置100と異なる。
図19は、開示の技術の第8の実施形態に係る分注装置100Gの構成を示す図である。分注装置100Gは、一次タンク10が、その底部に複数の流出口11a、11b、11cを有している点が、第1の実施形態に係る分注装置100と異なる。流出口11a、11b、11cは、それぞれ、分岐流路31、32、33に接続されている。
Claims (20)
- 液体を収容する一次タンクと、
前記一次タンクの内部の圧力を調整する一次側圧力調整手段と、
前記一次タンクに接続された複数の分岐流路と、
前記複数の分岐流路の各々に対応して設けられ、各々が対応する分岐流路に接続された複数の二次タンクと、
を含む分注装置。 - 前記複数の二次タンクの各々の内部の気体を当該二次タンクの内部に留めた状態で、前記一次側圧力調整手段が、前記一次タンクの内部を加圧することにより前記一次タンクから前記複数の二次タンクの各々に前記液体を移送する
請求項1に記載の分注装置。 - 前記複数の二次タンクの各々の内部の圧力を調整する二次側圧力調整手段を更に含む
請求項2に記載の分注装置。 - 前記二次側圧力調整手段は、前記複数の二次タンクの各々の内部に移送された前記液体を排出する前に前記複数の二次タンクの各々の内部を大気開放する
請求項3に記載の分注装置。 - 前記複数の分岐流路の各々の途中に設けられた複数の第1のバルブと、
前記複数の二次タンクの各々に接続され、前記複数の二次タンクの各々から排出される前記液体が流通する複数の排出流路と、
前記複数の排出流路の各々の途中に設けられた複数の第2のバルブと、
前記一次タンクから前記複数の二次タンクの各々に前記液体を移送する場合に、前記複数の第1のバルブの各々を開状態に制御し、且つ前記複数の第2のバルブの各々を閉状態に制御し、前記複数の二次タンクの各々の内部に収容された前記液体を前記複数の二次タンクの各々から排出する場合に、前記複数の第1のバルブの各々を閉状態に制御し、且つ前記複数の第2のバルブの各々を開状態に制御する制御部と、
を更に含む請求項1から請求項4のいずれか1項に記載の分注装置。 - 前記複数の二次タンクの少なくとも1つの内部の状態を検出する状態検出部と、
前記複数の分岐流路の各々の途中に設けられた複数のバルブと、
前記状態検出部の検出結果に基づいて前記複数のバルブの各々の開閉を制御する制御部と、
を更に含む請求項1または請求項2に記載の分注装置。 - 前記状態検出部は、前記複数の二次タンクの少なくとも1つに設けられ、当該二次タンクの内部の圧力を検出する圧力センサを含む
請求項6に記載の分注装置。 - 前記状態検出部は、前記複数の二次タンクの各々に対応して設けられ、各々が対応する二次タンクの内部の圧力を検出する複数の圧力センサを含み、
前記制御部は、前記一次タンクから前記複数の二次タンクの各々に前記液体を移送している場合に、前記複数の二次タンクのうち、前記圧力センサによって検出された圧力から推定される収容液量が所定量に達したものと判定された二次タンクに対応する前記バルブを閉状態に制御する
請求項6に記載の分注装置。 - 前記一次タンクから前記複数の二次タンクの各々に前記液体を移送している場合に、前記複数の圧力センサの各々によって検出された圧力に基づいて前記複数の二次タンクの各々の内部の圧力を調整する二次側圧力調整手段を更に含む
請求項8に記載の分注装置。 - 前記二次側圧力調整手段は、前記一次タンクから前記複数の二次タンクの各々に前記液体を移送している場合に、前記複数の二次タンクのうち、前記圧力センサによって検出された圧力から推定される収容液量が所定量よりも少ないものと判定された二次タンクの内部を減圧し、前記複数の二次タンクのうち、前記圧力センサによって検出された圧力から推定される収容液量が所定量よりも多いものと判定された二次タンクの内部を加圧する
請求項9に記載の分注装置。 - 前記状態検出部は、前記複数の二次タンクの少なくとも1つに設けられ、当該二次タンクの内部に収容された前記液体の液面の高さを検出するレベルセンサを含む
請求項6に記載の分注装置。 - 前記状態検出部は、前記複数の二次タンクの各々に対応して設けられ、各々が対応する二次タンクの内部に収容された前記液体の液面の高さを検出する複数のレベルセンサを含み、
前記制御部は、前記一次タンクから前記複数の二次タンクの各々に前記液体を移送している場合に、前記複数の二次タンクのうち、前記レベルセンサによって検出された液面の高さから推定される収容液量が所定量に達したものと判定された二次タンクに対応する前記バルブを閉状態に制御する
請求項11に記載の分注装置。 - 前記一次タンクから前記複数の二次タンクの各々に前記液体を移送している場合に、前記複数のレベルセンサの各々によって検出された液面の高さに基づいて前記複数の二次タンクの各々の内部の圧力を調整する二次側圧力調整手段を更に含む
請求項12に記載の分注装置。 - 前記二次側圧力調整手段は、前記一次タンクから前記複数の二次タンクの各々に前記液体を移送している場合に、前記複数の二次タンクのうち、前記レベルセンサによって検出された液面の高さから推定される収容液量が所定量よりも少ないものと判定された二次タンクの内部を減圧し、前記複数の二次タンクのうち、前記レベルセンサによって検出された液面の高さから推定される収容液量が所定量よりも多いものと判定された二次タンクの内部を加圧する
請求項13に記載の分注装置。 - 前記一次タンクは、前記複数の分岐流路の各々に接続された複数の流出口を有する
請求項1から請求項14のいずれか1項に記載の分注装置。 - 前記一次側圧力調整手段が前記一次タンクの内部を加圧する場合に、前記一次タンクに供給される気体に含まれる不要成分の前記一次タンクの内部への流入を抑制する第1のフィルタと、
前記二次側圧力調整手段が前記二次タンクの内部を加圧する場合に、前記二次タンクに供給される気体に含まれる不要成分の前記二次タンクの内部への流入を抑制する第2のフィルタと、
を更に含む請求項3、4、9、10、13及び14のいずれか1項に記載の分注装置。 - 前記複数の二次タンクの各々は、前記一次タンクから移送される前記液体を収容する第1の部分と、前記第1の部分と接続配管を介して接続され且つ前記二次側圧力調整手段が前記二次タンクの内部を加圧する場合に前記二次タンクに供給される気体が流入する流通口を有する第2の部分と、を含み、
前記第2のフィルタは、前記接続配管の途中に設けられている
請求項16に記載の分注装置。 - 前記複数の分岐流路の各々の容積は互いに同じである
請求項1から請求項17のいずれか1項に記載の分注装置。 - 前記一次タンクは、前記一次タンクの内部に収容された液体を撹拌する撹拌機能を有する
請求項1から請求項18のいずれか1項に記載の分注装置。 - 請求項1から請求項19のいずれか1項に記載の分注装置を用いて前記液体を移送する液体移送方法であって、
前記一次タンクに前記液体を収容し、
前記複数の二次タンクの各々の内部の気体を当該二次タンクの内部に留めた状態で、前記一次タンクの内部を加圧することにより前記一次タンクから前記複数の二次タンクの各々に前記液体を移送する
液体移送方法。
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CN114008187A (zh) * | 2019-06-20 | 2022-02-01 | 昕芙旎雅有限公司 | 细胞分配装置和细胞分配方法 |
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JPWO2018142923A1 (ja) | 2019-11-07 |
CN110234424A (zh) | 2019-09-13 |
US20190321817A1 (en) | 2019-10-24 |
KR20190098200A (ko) | 2019-08-21 |
EP3578252A4 (en) | 2020-01-08 |
US10864516B2 (en) | 2020-12-15 |
CN110234424B (zh) | 2022-03-01 |
EP3578252A1 (en) | 2019-12-11 |
JP6727349B2 (ja) | 2020-07-22 |
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