CN219744711U - Online liquid preparation system - Google Patents
Online liquid preparation system Download PDFInfo
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- CN219744711U CN219744711U CN202321088581.XU CN202321088581U CN219744711U CN 219744711 U CN219744711 U CN 219744711U CN 202321088581 U CN202321088581 U CN 202321088581U CN 219744711 U CN219744711 U CN 219744711U
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- stock solution
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- control module
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- 239000007788 liquid Substances 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000011550 stock solution Substances 0.000 claims abstract description 91
- 238000005303 weighing Methods 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 30
- 230000008859 change Effects 0.000 claims abstract description 21
- 238000001802 infusion Methods 0.000 claims description 27
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model provides an online liquid preparation system, relates to the technical field of solution preparation, and solves the problems that a liquid preparation device in the prior art is large in flow metering error and cannot be applied to a laboratory. The online liquid distribution system comprises a liquid storage device, a stock solution input assembly, a mixing device, a weighing device and a main control module, wherein an outlet of the liquid storage device is connected with the mixing device through the stock solution input assembly, the weighing device is arranged below the liquid storage device, the weighing device and the stock solution input assembly are both connected with the main control module, the weighing device can monitor the weight change of liquid in the liquid storage device, and the weight change information of the liquid storage device can be transmitted to the main control module to adjust the stock solution input assembly through the main control module. The mixing proportion of various materials and liquids is controlled through the change condition of the weight, the measuring precision is high, the requirements of small liquid consumption and small flow can be met, and the device is suitable for liquid preparation in a laboratory.
Description
Technical Field
The utility model relates to the technical field of solution preparation, in particular to an online liquid preparation system.
Background
In research experiments in the biopharmaceutical field, it is often necessary to mix a plurality of different liquids in a certain ratio to prepare a desired mixed solution.
The traditional liquid preparation device measures different liquids through a flowmeter, adopts a linkage mode of the flowmeter and an infusion pump, adjusts the rotating speed of the pump according to the flow value fed back by the flowmeter, and further controls different liquids to be mixed according to a certain proportion.
The present inventors found that there are at least the following technical problems:
the proportion of liquid mixing is adjusted through the mode of linkage control of the flowmeter and the infusion pump, the error is larger, if the device is used in production with very large liquid consumption, the device can be used when the error is negligible, but the device is used in experiments with small liquid consumption and small flow, the error has very large influence on the whole experiment, and the accuracy of experimental results is seriously influenced.
Disclosure of Invention
The utility model aims to provide an online liquid preparation system so as to solve the technical problems that a liquid preparation device in the prior art has larger flow metering error and cannot be suitable for a laboratory. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an online liquid preparation system which comprises a liquid storage device, a stock solution input assembly, a mixing device, a weighing device and a main control module, wherein an outlet of the liquid storage device is connected with the mixing device through the stock solution input assembly, the weighing device is arranged below the liquid storage device, the weighing device and the stock solution input assembly are both connected with the main control module, and the weighing device can monitor the weight change of liquid in the liquid storage device and can transmit the weight change information of the liquid storage device to the main control module so as to adjust the stock solution input assembly through the main control module.
As a further improvement of the utility model, the stock solution input assembly comprises a stock solution input pipeline and an infusion pump, wherein the outlet of the stock solution device is connected with the inlet of the mixing device through the stock solution input pipeline, the infusion pump is arranged on the stock solution input pipeline and is used for pumping the liquid in the stock solution device into the mixing device, and the infusion pump is connected with the liquid inlet of the mixing device.
As a further improvement of the present utility model, the stock solution input pipeline includes a stock solution input main pipeline, a stock solution input branch pipeline, and a multi-channel switching valve, where the multi-channel switching valve has a plurality of stock solution inlets and a stock solution outlet, two ends of each stock solution input branch pipeline are respectively connected with the corresponding stock solution device and the stock solution inlet, the plurality of stock solution inlets are respectively communicated with the stock solution outlet, and the stock solution outlet is connected with the infusion pump disposed on the stock solution input main pipeline.
As a further improvement of the utility model, the online liquid preparation system further comprises a multi-way valve and a connecting main pipeline, wherein the multi-way valve is connected with the connecting main pipeline, the stock solution input pipeline is connected with the connecting main pipeline through the multi-way valve, and the connecting main pipeline is connected with a liquid inlet of the mixing device.
As a further development of the utility model, the infusion pump is a peristaltic pump or a diaphragm pump.
As a further development of the utility model, the weighing device comprises a balance or a weighing module, by means of which the liquid change of the liquid storage device is detected.
As a further improvement of the utility model, the mixing device is provided with a liquid outlet, and a PH sensor is arranged at the liquid outlet, and the PH value of the mixed liquid flowing out of the mixing device is measured through the PH sensor.
As a further improvement of the utility model, the mixing device is provided with a liquid outlet, the liquid outlet is connected with a liquid outlet pipeline, the liquid outlet pipeline is provided with a pressure sensor, and the pressure in the liquid outlet pipeline is measured by the pressure sensor.
It should be noted that, the order of arrangement of the PH sensor and the pressure sensor in the present embodiment is not limited herein, and both are located behind the liquid outlet of the mixing device.
The weighing device and the stock solution input assembly are connected with the main control module, the weight change of the liquid in each liquid storage device is monitored through the weighing device, the weight change information of the liquid storage device is transmitted to the main control module, the mixing proportion of various materials and liquids is controlled through the weight change condition, the measuring precision is high, the requirements of small liquid consumption and small flow can be met, and the online liquid distribution system is suitable for liquid distribution in a laboratory.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an online liquid preparation system according to an embodiment of the present utility model;
FIG. 2 is a schematic structural diagram of an online liquid preparation system according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a stock solution input pipeline according to an embodiment of the present utility model.
Reference numerals: 1. a liquid storage device; 2. a mixing device; 3. a weighing device; 4. a main control module; 5. a stock solution input pipeline; 51. inputting the stock solution into a main pipeline; 52. the stock solution is input into a branch pipeline; 53. a multi-channel switching valve; 6. an infusion pump; 7. connecting a main pipeline; 8. a pressure sensor; 9. PH sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or capable of communicating with each other, and can be communication between two elements or interaction relationship between two elements; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
Referring to fig. 1 to 3, the utility model provides an online liquid preparation system, which comprises a liquid storage device 1, a stock solution input assembly, a mixing device 2, a weighing device 3 and a main control module 4, wherein an outlet of the liquid storage device 1 is connected with the mixing device 2 through the stock solution input assembly, and liquids in a plurality of stock solution input assemblies enter the mixing device 2 to realize uniform and full mixing. The below of reservoir 1 is provided with weighing device 3, and a plurality of weighing device 3 and a plurality of stoste input assembly all are connected with main control module 4 electricity, and weighing device 3 can monitor the weight change of liquid in reservoir 1 to can transmit the weight change information of reservoir 1 to main control module 4, in order to adjust stoste input assembly through main control module 4.
The online liquid preparation system that this embodiment provided sets up weighing device 3 respectively in the below of a plurality of liquid storage devices 1, monitors the change of every liquid storage device 1 weight through weighing device 3, controls the proportion that various materials liquid mixes through the change condition of weight, and measurement accuracy is high, can satisfy the demand that liquid quantity is little and flow is little, is applicable to and joins in marriage the liquid in the laboratory.
In this embodiment, the stock solution input assembly includes a stock solution input pipeline 5 and an infusion pump 6, an outlet of the liquid storage device 1 is connected with an inlet of the mixing device 2 through the stock solution input pipeline 5, the infusion pump 6 is disposed on the stock solution input pipeline 5 and is used for pumping the liquid in the liquid storage device 1 into the mixing device 2, and the infusion pump 6 is connected with a liquid inlet of the mixing device 2. The weighing devices 3 and the infusion pumps 6 are electrically connected with the main control module 4, the main control module 4 collects and calculates signals of the weighing devices 3, then controls the infusion pumps 6 according to calculation results, and further achieves mixing of various different feed liquids in proportion.
Specifically, the flow rate value of each infusion pump 6 is set according to the ratio of each stock solution required for the mixed solution, that is, the ratio of the flow rate values of each infusion pump 6 is the ratio of each stock solution. Each weighing device 3 respectively weighs the initial weight of each corresponding liquid storage device 1, after the liquid preparation system starts to work, each weighing device 3 monitors the weight of each corresponding liquid storage device 1 in real time, and transmits the weight change information of each stock solution storage tank to the main control module 4, and the main control module 4 calculates whether the proportion of the weight change value of each stock solution storage tank accords with the proportion of each stock solution or not, if not, the corresponding infusion pump 6 is regulated in a PID regulation control mode, so that the weight change value of each stock solution storage tank is equal to the proportion of the stock solution.
As shown in fig. 3, as an alternative implementation of the embodiment of the present utility model, the stock solution input pipeline 5 includes a stock solution input main pipeline 51, a stock solution input branch pipeline 52, and a multi-channel switching valve 53, and a plurality of stock solution input branch pipelines 52 are joined into one stock solution input main pipeline 51 by the multi-channel switching valve 53. The multi-channel switching valve 53 has a plurality of stock solution inlets and one stock solution outlet, and the plurality of stock solution inlets may be respectively communicated with the stock solution outlet. The two ends of each stock solution input branch pipeline 52 are respectively connected with a corresponding stock solution device 1 and a stock solution inlet, and the stock solution outlet is connected with an infusion pump 6 arranged on a stock solution input main pipeline 51.
In this embodiment, various similar stock solutions can be connected to one infusion pump 6 through the multi-channel switching valve 53, simplifying the apparatus and reducing the cost, and simplifying the operation. In different liquid preparation processes, a plurality of different stock solutions are mixed in proportion each time, some stock solutions are relatively universal, one infusion pump 6 is required to be arranged in each universal stock solution in different processes, and some stock solutions are respectively used in different processes, and the stock solutions are connected with one infusion pump 6 through a stock solution input branch pipeline 52 and a multi-channel switching valve 53, as shown in fig. 1. When the stock solution is needed to be used in one of the stock solution input branch pipelines 52, the multi-channel switching valve 53 rotates to communicate the inlet with the outlet, so that the stock solution can be selected.
Further, the online liquid preparation system further comprises a multi-way valve and a connecting main pipeline 7, the multi-way valve is connected with the connecting main pipeline 7, the stock solution input pipeline 5 is connected with the connecting main pipeline 7 through the multi-way valve, and the connecting main pipeline 7 is connected with a liquid inlet of the mixing device 2.
Further, the infusion pump 6 in the present embodiment may be a peristaltic pump or a diaphragm pump.
As an alternative to the embodiment of the utility model, the weighing device 3 may be a balance, or of course a weighing module, which are two weighing devices of different principles but identical function, by means of which the change of the liquid in the liquid reservoir 1 is detected. The precision of the balance is relatively higher, but the cost is higher, and a user can select the balance according to actual demands.
In this embodiment, the mixing device 2 has a liquid outlet, a PH sensor 9 is disposed at the liquid outlet, and the PH value of the mixed liquid flowing out from the mixing device 2 is measured by the PH sensor 9, so as to determine whether the mixed liquid meets a preset ratio.
In addition, connect the play liquid pipeline on the liquid outlet of mixing arrangement 2, play liquid pipeline is provided with pressure sensor 8, measures the pressure in the liquid pipeline through pressure sensor 8, prevents that the superpressure from squeezing the explosion pipeline.
According to the online liquid preparation system provided by the utility model, the condition of liquid change in the liquid storage device 1 is detected through the weighing device 3, the main control module 4 adjusts the infusion pump 6 according to the signal acquired by the weighing device 3, so that the mixing of various liquid materials in proportion is realized, the measurement precision of the weighing device 3 is high, the mixing proportion of different liquid materials can be more accurate, and the online liquid preparation system is suitable for liquid preparation in a laboratory.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an on-line liquid preparation system which characterized in that, includes stock solution device, stoste input subassembly, mixing arrangement, weighing device and main control module, stock solution device's export pass through stoste input subassembly with mixing arrangement is connected, just stock solution device's below is provided with weighing device, weighing device with stoste input subassembly all with main control module is connected, weighing device can monitor the weight change of liquid in the stock solution device, and can with the weight change information transmission of stock solution device extremely main control module is in order to pass through main control module adjusts stoste input subassembly.
2. The on-line liquid dispensing system of claim 1, wherein the stock solution input assembly comprises a stock solution input pipeline and an infusion pump, the outlet of the liquid storage device is connected with the inlet of the mixing device through the stock solution input pipeline, the infusion pump is arranged on the stock solution input pipeline and is used for pumping the liquid in the liquid storage device into the mixing device, and the infusion pump is connected with the liquid inlet of the mixing device.
3. The on-line liquid preparation system according to claim 2, wherein the stock solution input pipeline comprises a stock solution input main pipeline, a stock solution input branch pipeline and a multi-channel switching valve, the multi-channel switching valve is provided with a plurality of stock solution inlets and a stock solution outlet, two ends of each stock solution input branch pipeline are respectively connected with the corresponding liquid storage device and the stock solution inlet, the stock solution inlets are respectively communicated with the stock solution outlet, and the stock solution outlet is connected with the infusion pump arranged on the stock solution input main pipeline.
4. The on-line liquid dispensing system of claim 2, further comprising a multi-way valve and a connecting main pipeline, wherein the multi-way valve is connected with the connecting main pipeline, the raw liquid input pipeline is connected with the connecting main pipeline through the multi-way valve, and the connecting main pipeline is connected with the liquid inlet of the mixing device.
5. The on-line fluid dispensing system of claim 2, wherein the infusion pump is a peristaltic pump or a diaphragm pump.
6. The on-line liquid dispensing system of claim 2, wherein the weighing device comprises a balance or a weighing module, and wherein the change in liquid in the liquid storage device is detected by the balance or the weighing module.
7. The on-line liquid dispensing system of claim 1, wherein the mixing device has a liquid outlet, and a PH sensor is disposed at the liquid outlet, and the PH value of the mixed liquid flowing out from the mixing device is measured by the PH sensor.
8. The on-line liquid dispensing system of claim 1, wherein the mixing device has a liquid outlet, a liquid outlet pipe is connected to the liquid outlet, a pressure sensor is disposed on the liquid outlet pipe, and the pressure in the liquid outlet pipe is measured by the pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088581.XU CN219744711U (en) | 2023-05-08 | 2023-05-08 | Online liquid preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321088581.XU CN219744711U (en) | 2023-05-08 | 2023-05-08 | Online liquid preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219744711U true CN219744711U (en) | 2023-09-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321088581.XU Active CN219744711U (en) | 2023-05-08 | 2023-05-08 | Online liquid preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219744711U (en) |
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2023
- 2023-05-08 CN CN202321088581.XU patent/CN219744711U/en active Active
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