CN214150670U - Chemical liquid detection device and adding device - Google Patents

Chemical liquid detection device and adding device Download PDF

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Publication number
CN214150670U
CN214150670U CN202023023612.2U CN202023023612U CN214150670U CN 214150670 U CN214150670 U CN 214150670U CN 202023023612 U CN202023023612 U CN 202023023612U CN 214150670 U CN214150670 U CN 214150670U
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China
Prior art keywords
liquid
liquid medicine
pipeline
medicine
liquid inlet
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CN202023023612.2U
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Chinese (zh)
Inventor
王国禹
张松
孟飞
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Ksl Kuttler Automation Systems Suzhou Co ltd
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Ksl Kuttler Automation Systems Suzhou Co ltd
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Abstract

The utility model discloses a liquid medicine detection device and interpolation device. The pharmaceutical industry detection device comprises a liquid storage tank; the liquid medicine accommodating tank is separated from the inside by the partition plate and forms a first cavity and a second cavity; the liquid medicine circulation unit comprises a first liquid inlet pipeline and a first liquid outlet pipeline, and the first liquid inlet pipeline and the first liquid outlet pipeline are both communicated with the first cavity; the liquid medicine circulation unit also comprises a second liquid inlet pipeline and a second liquid outlet pipeline which are both communicated with the second chamber, one end of the second liquid outlet pipeline, which is far away from the second chamber, is positioned in the liquid storage tank, and the first liquid outlet pipeline and the second liquid inlet pipeline are communicated at the lower part of the second liquid inlet pipeline; the liquid medicine detection unit comprises a flowmeter and a pressure transmitter; and the circulating pump is used for sucking the liquid medicine in the liquid storage tank into the first liquid inlet pipeline. The utility model discloses can accomplish the implementation to concentration in the liquid medicine and detect to the flow that detects liquid medicine concentration has been simplified. In addition, the error in the detection of the liquid medicine is also reduced.

Description

Chemical liquid detection device and adding device
Technical Field
The utility model relates to a medicine detection area, specific is a liquid medicine detection device and add the device.
Background
The existing liquid medicine detection device comprises a liquid storage tank for storing liquid medicine, and when the concentration of the liquid medicine in the liquid storage tank needs to be measured, area addition or tablet addition is carried out according to the use condition of the liquid medicine. The area measurement adding means that the concentration reduction value of the liquid medicine is estimated according to the area coated by the liquid medicine, so that the high-concentration liquid medicine is added into the liquid storage tank, and the concentration value of the liquid medicine in the liquid storage tank is increased. The step of adding the liquid medicine is to estimate the concentration reduction value of the liquid medicine according to the number of panels coated with the liquid medicine, so that the high-concentration liquid medicine is added into the liquid storage tank, and the concentration value of the liquid medicine in the liquid storage tank is increased. However, the existing liquid medicine detection devices cannot realize real-time monitoring of the concentration in the liquid medicine, and an error may exist between the estimated liquid medicine concentration and the real liquid medicine concentration.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect in the prior art, the embodiment of the utility model provides a liquid medicine detection device and add device, its problem that is used for solving above-mentioned unable real-time accurate monitoring liquid medicine concentration.
The embodiment of the application discloses: a liquid medicine detection device comprises a liquid storage tank; the liquid medicine accommodating tank is separated from the inside by the partition plate and forms a first cavity and a second cavity; the liquid medicine circulation unit comprises a first liquid inlet pipeline and a first liquid outlet pipeline, and the first liquid inlet pipeline and the first liquid outlet pipeline are both communicated with the first cavity; the liquid medicine circulation unit also comprises a second liquid inlet pipeline and a second liquid outlet pipeline, the second liquid inlet pipeline and the second liquid outlet pipeline are both communicated with the second chamber, one end of the second liquid outlet pipeline, which is far away from the second chamber, is positioned in the liquid storage tank, and the first liquid outlet pipeline and the second liquid inlet pipeline are communicated at the lower part of the second liquid inlet pipeline; the liquid medicine detection unit comprises a flowmeter arranged in the first liquid inlet pipeline and a pressure transmitter arranged in the second liquid inlet pipeline; and the circulating pump is used for sucking the liquid medicine in the liquid storage tank into the first liquid inlet pipeline.
Further, the liquid inlet end of the first liquid outlet pipeline is located at the lowest position of the first cavity, and the liquid outlet end of the first liquid inlet pipeline is higher than the liquid inlet end of the first liquid outlet pipeline in the first cavity.
Further, the pressure transmitter is close to one end of the second liquid inlet pipeline connected with the first liquid outlet pipeline.
Further, a liquid inlet of the second liquid outlet pipeline in the second cavity is located at the lowest position of the second cavity, and a liquid outlet of the second liquid inlet pipeline in the second cavity is higher than a liquid inlet of the liquid outlet pipe of the second cavity.
Furthermore, the liquid medicine circulation units are all PVC transparent tubes.
Further, including the ball valve, the ball valve passes through pipeline and second feed liquor pipeline intercommunication, and the ball valve is located the below of second feed liquor pipeline, and one side that second feed liquor pipeline was kept away from to the pipeline at ball valve place is connected with second play liquid pipeline.
The embodiment of the application also discloses a liquid medicine adds device, including above-mentioned arbitrary liquid medicine detection device, add medicine mechanism and controller, controller and liquid medicine detection device's pressure transmitter and add medicine mechanism electric connection.
Further, the medicine adding mechanism comprises a medicine adding liquid pipe and a pneumatic valve used for controlling the medicine adding liquid pipe.
The utility model has the advantages as follows:
the pressure is measured to reflect the specific gravity and the concentration of the liquid medicine in the liquid storage tank, so that the value which is difficult to monitor in real time, of the concentration value of the liquid medicine in the liquid storage tank can be detected through an obvious pressure value, and the implementation detection of the concentration in the liquid medicine can be completed. When the liquid medicine detection device is used for detecting the concentration of the liquid medicine, the concentration of the liquid medicine does not need to be directly detected, so that the flow for detecting the concentration of the liquid medicine is simplified. In addition, a more accurate concentration value of the liquid medicine can be obtained according to the pressure, and errors in liquid medicine detection are reduced.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of a liquid medicine detecting device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a liquid medicine detection device according to an embodiment of the present invention;
FIG. 3 is a front view of the chemical liquid adding apparatus according to the embodiment of the present invention;
fig. 4 is a schematic perspective view of a liquid medicine adding device according to an embodiment of the present invention;
reference numerals of the above figures: 1. a liquid storage tank; 2. a liquid medicine accommodating tank; 21. a first chamber; 22. a second chamber; 31. a first liquid inlet pipe; 311. a liquid outlet end; 32. a first liquid outlet pipe; 321. a liquid inlet end; 33. a second liquid inlet pipe; 331 a liquid outlet; 34. a second liquid outlet pipeline; 341. a liquid inlet; 4. a flow meter; 5. a pressure transmitter; 6. a ball valve; 7. a liquid medicine adding pipe; 8. a pneumatic valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the medical fluid detection device of the present embodiment includes:
the liquid storage tank 1, the liquid storage tank 1 can be a quadrilateral groove structure formed by a bottom plate and side plates surrounding the bottom plate, so that the liquid medicine can be placed in the liquid storage tank 1. Of course, the shape and structure of the reservoir 1 can be adjusted according to actual needs.
Liquid medicine holding tank 2, liquid medicine holding tank 2 can set up in the top of reservoir 1. The liquid medicine accommodating groove 2 may have a rectangular parallelepiped structure with an open top. The liquid medicine housing tank 2 may be partitioned from the inside by a partition in the vertical direction, and forms a first chamber 21 and a second chamber 22. Preferably, the partition is located at the middle of the medical fluid housing tank 2 so that the volumes of medical fluids in the first and second chambers 21 and 22 are the same.
The liquid medicine circulation unit comprises a first liquid inlet pipeline 31 and a first liquid outlet pipeline 32, and both the first liquid inlet pipeline 31 and the first liquid outlet pipeline 32 are communicated with the first chamber 21. The first liquid inlet pipe 31 and the first chamber 21 may communicate through a lower portion of the first chamber 21, and the first liquid outlet pipe 32 may communicate with a lower portion of the first chamber 21. Preferably, there is no overlapping area between the first liquid inlet pipe 31 and the first liquid outlet pipe 32, so that the liquid medicine flow between the first liquid outlet pipe 32 and the first liquid inlet pipe 31 is not affected. The liquid medicine circulation unit further comprises a second liquid inlet pipeline 33 and a second liquid outlet pipeline 34, and both the second liquid inlet pipeline 33 and the second liquid outlet pipeline 34 are communicated with the second chamber 22. The second liquid inlet pipe 33 is communicated with the lower part of the second chamber 22, and the second liquid outlet pipe 34 is communicated with the lower part of the second chamber 22. Preferably, there is no overlapping area between the second liquid inlet pipe 33 and the second liquid outlet pipe 34, so that the flow of the liquid medicine between the second liquid outlet pipe 34 and the second liquid inlet pipe 33 is not affected. The end of the second outlet pipe 34 remote from the second chamber 22 is located in the reservoir 1. Preferably, the end of the second liquid outlet pipe 34 far away from the second chamber 22 extends below the liquid level of the liquid in the liquid storage tank 1. So that the liquid medicine in the liquid storage tank 1 is not splashed in the process of flowing back to the liquid storage tank 1. The first liquid outlet pipe 32 and the second liquid inlet pipe 33 are communicated at the lower part of the second liquid inlet pipe 33. So that the chemical liquid can be made to flow into the second liquid inlet pipe 33 from the lower portion of the second liquid inlet pipe 33 and flow to the upper portion.
And the liquid medicine detection unit comprises a flow meter 4 arranged in the first liquid inlet pipeline 31 and a pressure transmitter 5 arranged in the second liquid inlet pipeline 33. The flow meter 4 may be disposed in a region of the first liquid inlet pipe 31 below the first liquid inlet 341, and configured to detect the amount of the liquid medicine flowing into the first chamber 21 from the first liquid inlet pipe 31, so that the amount of the liquid medicine flowing into the first liquid inlet pipe 31 may be kept constant when the flow meter 4 displays a certain value. The pressure transmitter 5 can measure the pressure of the liquid medicine from the pressure transmitter 5 to the outlet above the second liquid inlet pipe 33. Preferably, the pressure transmitter 5 selects a digital display pressure transmitter, so that the pressure displayed by the pressure transmitter 5 is a numerical value and is more intuitive.
And a circulation pump (not shown in the figure) for sucking the liquid medicine in the liquid storage tank 1 into the first liquid inlet pipe 31, so that the liquid medicine can be transferred from the liquid storage tank 1 at the lower position to the liquid medicine accommodating tank 2 at the higher position against gravity.
In the present embodiment, the circulation pump delivers the liquid medicine in the liquid storage tank 1 to the first chamber 21 through the first liquid inlet pipe 31. Subsequently, the first liquid outlet pipe 32 delivers the chemical liquid in the first chamber 21 to the second liquid inlet pipe 33. Then, the liquid medicine in the second liquid inlet pipe 33 flows into the second chamber 22 from below the second liquid inlet pipe 33 under the pressure of the liquid medicine inside the first chamber 21, and flows back into the reservoir 1 from the second chamber 22 along the second liquid outlet pipe 34. In this process, the flow meter 4 detects the amount of the liquid medicine flowing into the first chamber 21, and the circulation speed of the liquid medicine flowing into the first chamber 21 is maintained constant by adjusting the circulation pump. Before the liquid medicine detection device is used, the liquid medicine detection device is started, the relation between the pressure measured in the pressure transmitter 5 and the specific gravity and the liquid medicine concentration in the liquid storage tank 1 is measured, namely the specific gravity and the liquid medicine concentration in the liquid storage tank 1 are measured according to the pressure obtained in the pressure transmitter 5, and multiple groups of tests are carried out to measure the specific gravity and the liquid medicine concentration corresponding to different pressures. Then, the concentration value of the liquid medicine in the liquid storage tank 1 can be obtained through the pressure value displayed by the pressure transmitter 5. In the process, the liquid medicine is always present in the first chamber 21, so that pressure can be provided for the liquid medicine in the first liquid outlet pipe 32, and the outlet end of the second liquid inlet pipe 33 connected with the first liquid outlet pipe 32 can overflow the liquid medicine. The liquid medicine flowing into the second chamber 22 from the second liquid inlet pipe 33 is directly discharged from the second liquid outlet pipe 34, so that no excessive liquid is accumulated in the second chamber 22, and the pressure value measured by the pressure transmitter 5 is not affected.
By means of the structure, the pressure is measured to reflect the specific gravity and the concentration of the liquid medicine in the liquid storage tank 1, so that the value which is difficult to monitor in real time, of the concentration value of the liquid medicine in the liquid storage tank 1 can be detected through an obvious pressure value, and the implementation detection of the concentration in the liquid medicine can be completed. When the liquid medicine detection device is used for detecting the concentration of the liquid medicine, the concentration of the liquid medicine does not need to be directly detected, so that the flow for detecting the concentration of the liquid medicine is simplified. In addition, a more accurate concentration value of the liquid medicine can be obtained according to the pressure, and errors in liquid medicine detection are reduced.
Specifically, the liquid inlet end 321 of the first liquid outlet pipe 32 is located at the lowest position of the first chamber 21, and the liquid outlet end 311 of the first liquid inlet pipe 31 is higher than the liquid inlet end 321 of the first liquid outlet pipe 32 in the first chamber 21. So that the liquid in the first chamber 21 can flow into the first outlet pipe 32 along the inlet end 321 of the first outlet pipe 32. The outlet 311 is higher than the inlet 321, so that the pressure of the liquid in the first inlet pipe 31 will not increase with the increase of the liquid in the first chamber 21, and is always maintained in a constant range. Thereby avoiding adjustment of the circulation pump due to differences in the level of liquid in the first chamber 21.
Specifically, the pressure transmitter 5 is close to one end of the second liquid inlet pipeline 33 connected with the first liquid outlet pipeline 32. The pressure transmitter 5 may be disposed adjacent to the lower part of the second inlet pipe 33, so that the pressure of the liquid medicine in the section from the pressure transmitter 5 to the upper outlet of the second inlet pipe 33 can be measured. So that the value of the measured pressure comes from the distance from the pressure transmitter 5 to the outlet 331 of the second inlet conduit 33.
Specifically, the liquid inlet 341 of the second liquid outlet pipe 34 in the second chamber 22 is located at the lowest position of the second chamber 22, and the liquid outlet 331 of the second liquid inlet pipe 33 in the second chamber 22 is higher than the liquid inlet 341 of the second liquid outlet pipe 34. So that the liquid medicine flowing out of the second liquid inlet pipe 33 into the second chamber 22 can flow down into the second liquid outlet pipe 34. Preferably, the second liquid inlet pipe 33 is larger than the second liquid outlet pipe 34, so that the second chamber 22 does not contain the liquid medicine.
Specifically, the liquid medicine circulation units are all PVC transparent pipes, and liquid medicine circulates in the liquid medicine circulation units, so that the circulation state of the liquid medicine in the liquid medicine circulation pipeline can be clearer due to the PVC transparent pipes. In addition, the use of the PVC transparent tube can also reduce the cost, so that when the part in the liquid medicine circulation unit is damaged, the liquid medicine circulation unit is convenient to replace.
Specifically, including ball valve 6, ball valve 6 passes through the pipeline and communicates with second inlet conduit 33, just be located the below of second inlet conduit 33, one side that second inlet conduit 33 was kept away from to the pipeline that ball valve 6 is located is connected with second outlet conduit 34. When the liquid medicine flows through the liquid medicine flow passage, the ball valve 6 is in a closed state, so that the liquid medicine can flow into the second chamber 22 along the second liquid inlet passage 33. When the liquid medicine in the liquid medicine flowing pipeline stops flowing, liquid medicine which cannot be discharged exists in the first liquid outlet pipeline 32 and the second liquid inlet pipeline 33 due to the pressure. At this time, the ball valve 6 is opened, so that the liquid medicine in the first liquid outlet pipe 32 and the second liquid inlet pipe 33 can flow into the liquid storage tank 1 along the pipe at the lower part of the ball valve 6, thereby discharging the liquid medicine accumulated in the first liquid outlet pipe 32 and the second liquid inlet pipe 33.
The utility model also provides an embodiment of liquid medicine interpolation device, it is shown with reference to fig. 3 to fig. 4, except including above-mentioned liquid medicine detection device, still include:
the dosing mechanism can comprise a dosing liquid pipe 7 connected with a dosing liquid groove (not shown in the figure) and a pneumatic valve 8 installed on the dosing liquid pipe 7, and the pneumatic valve 8 is used for controlling the circulation and the closing of the dosing liquid pipe 7. The medicine liquid tank is filled with high-concentration liquid medicine, and the concentration of the liquid medicine is higher than that of the liquid medicine normally used in the liquid storage tank 1. Of course, the specific concentration of the high-concentration liquid medicine in the reservoir 1 can be adjusted according to actual needs.
And the controller can be electrically connected with the pressure transmitter 5 in the liquid medicine detection device and the pneumatic valve 8 in the medicine adding mechanism. So that the controller opens or closes pneumatic valve 8 correspondingly by receiving the value in pressure transmitter 5.
In this embodiment, before adding the liquid medicine into the liquid medicine adding device, the one-to-one correspondence relationship among the pressure, the specific gravity of the liquid medicine and the concentration of the liquid medicine measured in the liquid medicine adding device in the present application is measured according to the liquid medicine adding device, that is, the specific gravity of the liquid medicine and the concentration of the liquid medicine in the liquid storage tank 1 at this time are measured according to the pressure obtained by the pressure transmitter 5, and a plurality of sets of tests are performed to measure the specific gravity of the liquid medicine and the concentration of the liquid medicine corresponding to different pressures. Then, a standard concentration value in the controller is set, and when the concentration value of the liquid medicine corresponding to the pressure received in the controller is lower than the standard concentration value, the controller opens the pneumatic valve 8, so that the high-concentration liquid medicine flows into the liquid storage tank 1 through the liquid adding pipe 7. When the concentration value of the liquid medicine corresponding to the pressure received in the controller is lower than the standard concentration value, the controller closes the pneumatic valve 8, so that the high-concentration liquid medicine stops flowing into the liquid storage tank 1 through the liquid adding pipe 7.
By means of the structure, the liquid medicine adding device can control whether the medicine adding liquid pipe 7 adds high-concentration liquid medicine into the liquid storage tank 1 or not by adjusting the pneumatic valve 8 according to the concentration reflected by measured pressure, so that the concentration of the liquid medicine in the liquid storage tank 1 is stable by adding the high-concentration liquid medicine into the liquid storage tank 1 in real time, and the liquid medicine in the liquid storage tank 1 is maintained in a set range.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (8)

1. A liquid medicine detection device, comprising:
a liquid storage tank;
the liquid medicine accommodating tank is separated by the partition plate and forms a first cavity and a second cavity;
the liquid medicine circulation unit comprises a first liquid inlet pipeline and a first liquid outlet pipeline, and the first liquid inlet pipeline and the first liquid outlet pipeline are both communicated with the first cavity; the liquid medicine circulation unit further comprises a second liquid inlet pipeline and a second liquid outlet pipeline, the second liquid inlet pipeline and the second liquid outlet pipeline are both communicated with the second chamber, one end, far away from the second chamber, of the second liquid outlet pipeline is located in the liquid storage tank, and the lower portions of the first liquid outlet pipeline and the second liquid inlet pipeline are communicated;
the liquid medicine detection unit comprises a flowmeter arranged in the first liquid inlet pipeline and a pressure transmitter arranged in the second liquid inlet pipeline;
and the circulating pump is used for sucking the liquid medicine in the liquid storage tank into the first liquid inlet pipeline.
2. The liquid medicine detecting device according to claim 1, wherein a liquid inlet end of the first liquid outlet pipe is located at a lowest position of the first chamber, and a liquid outlet end of the first liquid inlet pipe is higher than a liquid inlet end of the first liquid outlet pipe in the first chamber.
3. The liquid medicine detecting device according to claim 1, wherein the pressure transmitter is near an end of the second liquid inlet pipe connected to the first liquid outlet pipe.
4. The liquid medicine detecting device according to claim 1, wherein the second liquid outlet pipe has a liquid inlet at the lowest position of the second chamber, and the second liquid inlet pipe has a liquid outlet at the higher position than the liquid inlet of the liquid outlet pipe of the second chamber.
5. The liquid medicine detecting device according to claim 1, wherein the liquid medicine circulating units each employ a PVC transparent tube.
6. The liquid medicine detection device according to claim 1, comprising a ball valve, wherein the ball valve is communicated with the second liquid inlet pipeline through a pipeline, the ball valve is located below the second liquid inlet pipeline, and one side of the pipeline where the ball valve is located, which is far away from the second liquid inlet pipeline, is connected with the second liquid outlet pipeline.
7. A liquid medicine adding device is characterized by comprising: the liquid medicine detection device, the dosing mechanism and the controller according to any one of claims 1 to 6, wherein the controller is electrically connected with the pressure transmitter of the liquid medicine detection device and the dosing mechanism.
8. The medical liquid adding device according to claim 7, wherein the drug adding mechanism comprises a drug adding tube and a pneumatic valve for controlling the drug adding tube.
CN202023023612.2U 2020-12-16 2020-12-16 Chemical liquid detection device and adding device Active CN214150670U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023023612.2U CN214150670U (en) 2020-12-16 2020-12-16 Chemical liquid detection device and adding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023023612.2U CN214150670U (en) 2020-12-16 2020-12-16 Chemical liquid detection device and adding device

Publications (1)

Publication Number Publication Date
CN214150670U true CN214150670U (en) 2021-09-07

Family

ID=77587294

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023023612.2U Active CN214150670U (en) 2020-12-16 2020-12-16 Chemical liquid detection device and adding device

Country Status (1)

Country Link
CN (1) CN214150670U (en)

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