CN114136728A - Device and method for conditioning a solution in a closed container - Google Patents
Device and method for conditioning a solution in a closed container Download PDFInfo
- Publication number
- CN114136728A CN114136728A CN202111389920.3A CN202111389920A CN114136728A CN 114136728 A CN114136728 A CN 114136728A CN 202111389920 A CN202111389920 A CN 202111389920A CN 114136728 A CN114136728 A CN 114136728A
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- closed container
- clamping pieces
- solution
- clamping
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
Abstract
The invention provides a device and a method for adjusting solution in a closed container, wherein the closed container comprises a body and a cover body, and the cover body is arranged on the body by using threads; the adjusting device for the solution in the closed container comprises: the first fixing device comprises a first group of clamping pieces, and the first group of clamping pieces are used for clamping and loosening the cover body; the second fixing device comprises a second group of clamping parts, and the second group of clamping parts are used for clamping and loosening the body; the first driving unit drives the first fixing device to vertically translate or rotate in a horizontal plane, and the second driving unit is used for driving the second fixing device to rotate; the pipe is fixed on the mechanical arm and connected with the metering unit, and the mechanical arm is used for inserting the pipe into the body. The invention has the advantages of automation and the like.
Description
Technical Field
The invention relates to liquid regulation, in particular to a device and a method for regulating solution in a closed container.
Background
The water sample detection has the requirements of various detection indexes, such as permanganate index, ammonia nitrogen, total phosphorus and total nitrogen, and the like, and meanwhile, different detection indexes have different pretreatment requirements on the collected water sample, for example, the pH value needs to be adjusted to be neutral in the ammonia nitrogen detection, the manual adjustment operation is complicated and easy to excessively adjust, and if the detection indexes exceed the upper detection limit of a standard method, the sample needs to be diluted, and the manual constant volume operation can generate artificial deviation. Therefore, how to replace manual operation, accurately quantify and effectively pretreat the water sample is a key point for solving the technology.
At present, the pretreatment of a water sample is manually realized, a traditional volumetric flask, a measuring cylinder or a pipette is used for quantitative opening and closing, sampling, diluting and quantifying, and after the constant volume is finished, a pH meter is used for controlling and adjusting the pH value to a target value. The disadvantages of this approach are:
1. the efficiency is low, and manual operation is needed;
2. the error is large, and the quantification and the transfer are both manually operated, so that the error is improved;
3. the consistency is poor and the results obtained by different operators are different.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a regulating device for a solution in a closed container.
The purpose of the invention is realized by the following technical scheme:
the adjusting device for the solution in the closed container comprises a body and a cover body, wherein the cover body is installed on the body by utilizing threads; the adjusting device for the solution in the closed container comprises:
a first securing means comprising a first set of gripping members for gripping and releasing the cover;
a second fixture including a second set of grippers for gripping and releasing the body;
the first driving unit drives the first fixing device to vertically translate or rotate in a horizontal plane, and the second driving unit is used for driving the second fixing device to rotate;
the pipeline is fixed on the mechanical arm and connected with the metering unit, and the mechanical arm is used for inserting the pipeline into the body.
The invention also aims to provide a method for adjusting the solution in the closed container, and the aim of the invention is realized by the following technical scheme:
a method for conditioning a solution in a closed container, the method comprising the steps of:
(A1) the body of the closed container is placed on the rotary table and clamped by the second group of clamping pieces;
the cover body of the closed container is clamped by the first group of clamping pieces;
(A2) the second driving unit drives the turntable to rotate in the forward direction, and meanwhile, the first group of clamping parts clamp the cover body to move upwards, so that the cover body is separated from the body;
(A3) the mechanical arm translates to enable one end of the pipeline to enter the body;
(A4) a defined volume of conditioning liquid is passed into the body to condition the solution within the body.
Compared with the prior art, the invention has the beneficial effects that:
1. automation;
the cover opening, the liquid adding and the cover closing are realized automatically without manual intervention;
2. the operation precision is high;
the metering, adding, stirring and the like of the liquid are automatically and accurately realized, for example, the metering unit is utilized to accurately meter the volume of the added liquid;
3. the consistency is good;
the cover opening, the liquid adding and the cover closing are automatically realized, so that the consistency is improved;
the second driving unit can adopt a motor with controllable output torque, so that the cover body is screwed on the body to the same and controllable degree when the cover is closed;
4. the adaptability is good;
the first group of clamping pieces and the second group of clamping pieces realize clamping of the body and the cover body with different outer diameters, so that the clamping device is suitable for closed containers with different outer diameters.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only for illustrating the technical solutions of the present invention and are not intended to limit the scope of the present invention. In the figure:
fig. 1 is a schematic flow diagram of a method for conditioning a solution in a closed container according to an embodiment of the present invention.
Detailed Description
Fig. 1 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. Some conventional aspects have been simplified or omitted for the purpose of explaining the technical solution of the present invention. Those skilled in the art will appreciate that variations or substitutions from these embodiments will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Thus, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example 1:
the adjusting device for the solution in the closed container comprises a body and a cover body, wherein the cover body is arranged on the body by utilizing threads; the adjusting device for the solution in the closed container comprises:
a first securing means comprising a first set of gripping members for gripping and releasing the cover;
a second fixture including a second set of grippers for gripping and releasing the body;
the first driving unit drives the first fixing device to vertically translate or rotate in a horizontal plane, and the second driving unit is used for driving the second fixing device to rotate;
the pipeline is fixed on the mechanical arm and connected with the metering unit, and the mechanical arm is used for inserting the pipeline into the body.
In order to automatically clamp and release the cover body, further, the first fixing device further comprises:
the first group of clamping pieces are arranged on the linear guide rails;
the first group of clamping pieces are rotatably arranged on the rotating piece, and the second group of clamping pieces are rotatably arranged on the rotating piece;
the rotating piece is arranged on the bracket and driven by the third driving unit to rotate forwards and backwards, so that the distance between the clamping pieces in the first group of clamping pieces becomes smaller and larger respectively, and the cover body is clamped and loosened.
In order to realize the vertical translation of the first group of clamping members, the opening and the closing of the cover are realized, and further, the adjusting device for the solution in the closed container further comprises:
the bracket is arranged on the vertical guide rail, and the first driving unit is used for driving the bracket to vertically move on the vertical guide rail.
In order to precisely adjust the liquid in the closed container, further, the adjusting device of the solution in the closed container further comprises:
a calculation unit for calculating the volume of the pH regulator to be added according to the volume of the liquid in the container
V1Is the volume of liquid in the container,ais the PH of the liquid in the vessel,bis the target value of the PH of the liquid,Cis the PH adjuster concentration;
a control unit for controlling the metering unit such that the volume of the pH adjusting agent flowing through the pipe reaches a volumeV2。
In order to automatically clamp and unclamp the body, further, the first fixing device further comprises:
the second driving unit drives the turntable to rotate;
the horizontal guide rail is arranged on the turntable, and the second group of clamping pieces are arranged on the horizontal guide rail;
and the fourth driving unit is used for driving the second group of clamping pieces, so that the distance between the second group of clamping pieces is increased and decreased.
Fig. 1 schematically shows a flow chart of a method for adjusting a solution in a closed container according to an embodiment of the present invention, and as shown in fig. 1, the method for adjusting a solution in a closed container includes the following steps:
(A1) the body of the closed container is placed on the rotary table and clamped by the second group of clamping pieces;
the cover body of the closed container is clamped by the first group of clamping pieces;
(A2) the second driving unit drives the turntable to rotate in the forward direction, and meanwhile, the first group of clamping parts clamp the cover body to move upwards, so that the cover body is separated from the body;
(A3) the mechanical arm translates to enable one end of the pipeline to enter the body;
(A4) a defined volume of conditioning liquid is passed into the body to condition the solution within the body.
In order to clamp the body automatically, further, in step (a1), the body is clamped in a manner that:
driving the second group of clamping pieces to increase the distance of each clamping piece;
placing the closed container on a turntable and between each gripper of the second set of grippers;
and driving the second group of clamping pieces to reduce the distance between the clamping pieces and clamp the body.
In order to clamp the cover body automatically, further, in the step (a1), the cover body is clamped in a manner that:
the rotating parts are driven to rotate reversely, so that the bending parts are driven to rotate reversely, the bending parts drive the first group of clamping parts to translate on the linear guide rail, and the distance between the clamping parts in the first group of clamping parts is increased;
driving the rotating member and the first group of clamping members to move downwards;
the driving rotating piece rotates forwards to drive each bending piece to rotate forwards, the bending piece drives the first group of clamping pieces to translate on the linear guide rail, and the distance between each clamping piece in the first group of clamping pieces is reduced, so that the cover body is clamped.
In order to accurately adjust the liquid in the closed container, further, in the step (A4), the adjusting liquid is a pH regulator and the volume is adjusted
V1Is the volume of liquid in the container,ais the PH of the liquid in the vessel,bis the target value of the pH value of the solution,Cis the pH adjuster concentration.
In order to automatically close the cover, further, the method for adjusting the liquid in the closed container further comprises the following steps:
(A5) the second driving unit drives the rotary table to rotate reversely, and meanwhile, the first group of clamping pieces clamp the cover body to move downwards, so that the cover body is installed on the body.
Example 2:
the device and the method for adjusting the solution in the closed container according to the embodiment 1 of the invention are applied to the adjustment of the pH value of a water sample.
In the application example, the first fixing device comprises a support, four linear guide rails, four bending pieces, a first group of clamping pieces, a rotating piece and a third driving unit, wherein the four linear guide rails are fixed on the support, and the first group of clamping pieces comprise four clamping pieces which are respectively arranged on the linear guide rails; one end of each bending piece is rotatably arranged on each clamping piece of the first group of clamping pieces, and the other end of each bending piece is rotatably arranged on the rotating piece; the rotating piece is arranged on the bracket and is driven by the third driving unit (adopting a motor) to rotate forward and reversely, so that the distance between the clamping pieces in the first group of clamping pieces becomes smaller and larger respectively, and the cover body is clamped and loosened; the bracket is arranged on the vertical guide rail and is driven by the first driving unit to vertically translate up and down; the first driving unit adopts an air cylinder, and the driving bracket (namely, the first fixing device is driven) vertically translates up and down on the vertical guide rail;
the second fixing device comprises a rotary table, two horizontal guide rails, a second group of clamping parts and a fourth driving unit, and the second driving unit adopts a motor with controllable torque to drive the rotary table to rotate in the positive direction and the direction; the two horizontal guide rails are arranged on the turntable in a collinear manner, and the second group of clamping pieces comprises two clamping pieces which are respectively arranged on the horizontal guide rails; the fourth driving unit adopts an air cylinder to push the second group of clamping parts to move forwards and backwards on the horizontal guide rail, so that the distance between two clamping parts in the second group of clamping parts is adjusted, and the body is clamped and loosened;
the metering device comprises a mechanical arm and pipelines, wherein the pipelines comprise a gas pipeline and a liquid pipeline and are respectively fixed on the mechanical arm, a metering unit is arranged on the liquid pipeline, and the mechanical arm is used for inserting and withdrawing the gas pipeline and the liquid pipeline into and out of the body;
the calculation unit is used for calculating the volume of the PH regulator to be added according to the volume of the water sample in the container
V1Is the volume of the sampled water in the container,ais the PH of the water sample in the container,bis the target value of the PH of the liquid,Cis the PH adjuster concentration;
the control unit is used for controlling the metering unit to make the volume of the PH regulator flowing through the pipeline reach the volumeV2。
As shown in fig. 1, a method for adjusting a solution in a closed container, that is, a working method of an adjusting apparatus of the present embodiment, includes the following steps:
(A1) closing the container against the turntable, wherein the body is clamped by the second set of clamping members and the cover is clamped by the first set of clamping members;
the way that the body is clamped is as follows:
the fourth driving unit drives two clamping pieces in the second group of clamping pieces to translate on the horizontal guide rail, so that the distance between the clamping pieces is increased;
placing the closed container on a turntable and between each gripper of the second set of grippers;
the fourth driving unit drives the second group of clamping pieces to enable the distance between the clamping pieces to be reduced and clamp the body;
the way that the lid is pressed tightly does:
the third driving unit drives the rotating pieces to rotate reversely, so that the bending pieces are driven to rotate reversely, the bending pieces drive the first group of clamping pieces to translate on the linear guide rail, and the distance between the clamping pieces in the first group of clamping pieces is increased;
driving the rotating member and the first group of clamping members to move downwards;
the third driving unit drives the rotating piece to rotate in the forward direction, so that each bending piece is driven to rotate in the forward direction, the bending piece drives the first group of clamping pieces to translate on the linear guide rail, and the distance between each clamping piece in the first group of clamping pieces is reduced, so that the cover body is clamped;
(A2) the second driving unit drives the turntable to rotate forwards, and meanwhile, the first driving unit drives the bracket to move upwards along the vertical guide rail, namely the first group of clamping pieces clamp the cover body to move upwards, so that the cover body is separated from the body;
(A3) the mechanical arm translates to enable one end of the gas pipeline and one end of the liquid pipeline to enter a water sample in the body;
(A4) measured by a measuring unit so as to make the volume
The PH regulator enters the body, meanwhile, gas enters the water sample through the gas pipeline, the water sample and the PH regulator are stirred, and the PH value of the water sample in the body is adjusted;
the mechanical arm drives the gas pipeline and the liquid pipeline to move upwards and move out of the body;
(A5) the second driving unit drives the rotary table to rotate reversely, meanwhile, the first driving unit pushes the support to move downwards, the first group of clamping pieces clamps the cover body to move downwards, so that the cover body is installed on the body, and the screwing degree of the cover body is controllable.
Claims (10)
1. The adjusting device for the solution in the closed container comprises a body and a cover body, wherein the cover body is installed on the body by utilizing threads; characterized in that the adjusting device of the solution in the closed container comprises:
a first securing means comprising a first set of gripping members for gripping and releasing the cover;
a second fixture including a second set of grippers for gripping and releasing the body;
the first driving unit drives the first fixing device to vertically translate or rotate in a horizontal plane, and the second driving unit is used for driving the second fixing device to rotate;
the pipeline is fixed on the mechanical arm and connected with the metering unit, and the mechanical arm is used for inserting the pipeline into the body.
2. The apparatus for conditioning a solution within a closed container of claim 1, wherein said first securing means further comprises:
the first group of clamping pieces are arranged on the linear guide rails;
the first group of clamping pieces are rotatably arranged on the rotating piece, and the second group of clamping pieces are rotatably arranged on the rotating piece;
the rotating piece is arranged on the bracket and driven by the third driving unit to rotate forwards and backwards, so that the distance between the clamping pieces in the first group of clamping pieces becomes smaller and larger respectively.
3. The apparatus for conditioning a solution within a closed container of claim 2, further comprising:
the bracket is arranged on the vertical guide rail, and the first driving unit is used for driving the bracket to vertically move on the vertical guide rail.
4. The apparatus for conditioning a solution within a closed container of claim 1, further comprising:
a calculation unit for calculating the volume of the pH regulator to be added according to the volume of the liquid in the container
V1Is the volume of liquid in the container,ais the PH of the liquid in the vessel,bis the target value of the PH of the liquid,Cis the PH adjuster concentration;
a control unit for controlling the metering unit such that the volume of the pH adjusting agent flowing through the pipe reaches a volumeV2。
5. The apparatus for conditioning a solution within a closed container of claim 1, wherein said first securing means further comprises:
the second driving unit drives the turntable to rotate;
the horizontal guide rail is arranged on the turntable, and the second group of clamping pieces are arranged on the horizontal guide rail;
and the fourth driving unit is used for driving the second group of clamping pieces, so that the distance between the second group of clamping pieces is increased and decreased.
6. A method for conditioning a solution in a closed container, the method comprising the steps of:
(A1) the body of the closed container is placed on the rotary table and clamped by the second group of clamping pieces;
the cover body of the closed container is clamped by the first group of clamping pieces;
(A2) the second driving unit drives the turntable to rotate in the forward direction, and meanwhile, the first group of clamping parts clamp the cover body to move upwards, so that the cover body is separated from the body;
(A3) the mechanical arm translates to enable one end of the pipeline to enter the body;
(A4) a defined volume of conditioning liquid is passed into the body to condition the solution within the body.
7. The method for conditioning a solution in a closed container according to claim 6, wherein in step (A1), the body is clamped in such a way that:
driving the second group of clamping pieces to increase the distance of each clamping piece;
placing the closed container on a turntable and between each gripper of the second set of grippers;
and driving the second group of clamping pieces to reduce the distance between the clamping pieces and clamp the body.
8. The method for conditioning a solution within a closed container according to claim 6, wherein in step (A1), the cover is clamped in a manner that:
the rotating parts are driven to rotate reversely, so that the bending parts are driven to rotate reversely, the bending parts drive the first group of clamping parts to translate on the linear guide rail, and the distance between the clamping parts in the first group of clamping parts is increased;
driving the rotating member and the first group of clamping members to move downwards;
the driving rotating piece rotates forwards to drive each bending piece to rotate forwards, the bending piece drives the first group of clamping pieces to translate on the linear guide rail, and the distance between each clamping piece in the first group of clamping pieces is reduced, so that the cover body is clamped.
9. The method for conditioning a solution in a closed container as claimed in claim 6, wherein in step (A4), the conditioning liquid is a pH adjusting agent and the volume is adjusted
V1Is the volume of liquid in the vessel, a is the pH of the liquid in the vessel, b is the target pH, and C is the pH modifier concentration.
10. The method of conditioning a solution within a closed container of claim 6, further comprising the steps of:
(A5) the second driving unit drives the rotary table to rotate reversely, and meanwhile, the first group of clamping pieces clamp the cover body to move downwards, so that the cover body is installed on the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111389920.3A CN114136728A (en) | 2021-11-22 | 2021-11-22 | Device and method for conditioning a solution in a closed container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111389920.3A CN114136728A (en) | 2021-11-22 | 2021-11-22 | Device and method for conditioning a solution in a closed container |
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| Publication Number | Publication Date |
|---|---|
| CN114136728A true CN114136728A (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111389920.3A Pending CN114136728A (en) | 2021-11-22 | 2021-11-22 | Device and method for conditioning a solution in a closed container |
Country Status (1)
| Country | Link |
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| CN (1) | CN114136728A (en) |
Citations (8)
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| CN112067835A (en) * | 2020-09-09 | 2020-12-11 | 上海阳泰医疗科技有限公司 | Automatic liquid sample adding device for reagent bottle |
| CN212698554U (en) * | 2020-06-02 | 2021-03-16 | 广东智源机器人科技有限公司 | Uncovering and water adding device |
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2021
- 2021-11-22 CN CN202111389920.3A patent/CN114136728A/en active Pending
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| JPS5539041A (en) * | 1978-09-14 | 1980-03-18 | Toshiba Corp | Dissolving system for sample to be analyzed |
| US20050086909A1 (en) * | 2003-09-02 | 2005-04-28 | Dieter-Rudolf Krulitsch | Beverage bottling plant for filling bottles with a liquid beverage filling material, having an apparatus for exchanging operating units disposed at rotating container handling machines |
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