CN112506240A - Intelligent liquid mixing and proportioning method and system - Google Patents
Intelligent liquid mixing and proportioning method and system Download PDFInfo
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- CN112506240A CN112506240A CN202011308400.0A CN202011308400A CN112506240A CN 112506240 A CN112506240 A CN 112506240A CN 202011308400 A CN202011308400 A CN 202011308400A CN 112506240 A CN112506240 A CN 112506240A
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- 239000007788 liquid Substances 0.000 title claims abstract description 196
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
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Abstract
The invention provides an intelligent liquid mixing and proportioning method and system, which relate to the technical field of liquid mixing, are suitable for proportioning devices, and comprise the following steps: s1: acquiring mixing proportion data; s2: judging whether the mixing proportion data is smaller than a first threshold value, if so, starting a first pump, and executing S3; otherwise, executing S4; s3: calculating to obtain a flow rate pre-counting value of the second liquid entering the pipe; s4: judging whether the predicted flow value of the second liquid is larger than a second threshold value, if so, starting a second pump, otherwise, executing S6; s5: obtaining a reading of a flow meter of the second liquid inlet pipe, and adjusting the power of the second pump; s6: and discharging the first liquid in the first pump and the second liquid in the second pump through a mixing water outlet pipe. The liquid mixing device is simple in structure, can efficiently and intelligently control the liquid mixing proportion, can adjust various mixing proportions, effectively ensures accurate mixing proportion, can be remotely controlled, and can be used in various environments.
Description
Technical Field
The invention relates to the technical field of liquid mixing,
in particular, the invention relates to an intelligent liquid mixing and proportioning method and system.
Background
In daily life or production, the situation that liquid needs to be mixed is often met, such as fire-fighting and fire-extinguishing agent, medical treatment, agricultural pesticide proportioning, forest pest and disease liquid proportioning, and breeding indoor disinfectant proportioning.
In general, a conventional valve can only satisfy a mixing mode between two liquids, or only connect one liquid, for example, mixing a plurality of liquids, but a common solution is to connect a plurality of three-way valves in parallel, which not only wastes manufacturing cost and installation time, but also increases installation space and operation difficulty. Most importantly, the liquid matching proportion can not be adjusted, even if the liquid matching proportion can be adjusted, the problem of insufficient control precision of actual operation exists, and a control mode capable of adjusting the liquid mixing proportion needs to be designed at present, for example, Chinese patent utility model CN209848766U discloses a liquid mixer capable of adjusting the liquid mixing proportion, which comprises a mixing box, wherein a conduit is fixedly communicated with the center of the top of the mixing box, both ends of the conduit penetrate through the top of the mixing box and extend, the upper end of the conduit is sealed, branch pipes are symmetrically communicated with the conduit wall close to the upper end of the conduit, the other ends of the branch pipes are fixedly communicated with a liquid storage device, a rotating hole is symmetrically arranged at the bottom of the mixing box, a sealing bearing is fixedly connected in the rotating hole, a rotating shaft is symmetrically arranged in the mixing box, the lower end of the rotating shaft penetrates through the sealing bearing and extends, the two gears are meshed with each other, the rotating shaft is fixedly connected to the inner ring of the sealing bearing, propeller blades are fixedly connected to the shaft wall of the rotating shaft in the mixing box, and the two propeller blades are identical in spiral direction. Above-mentioned utility model improves the efficiency that the liquid mixes, has reduced the required time.
But above-mentioned liquid mixing arrangement still has following defect, and the structure is complicated, can't intelligent carry out liquid mixing ratio control, and intelligent degree is low, can't ensure to mix the proportion accurate, can't satisfy various abominable environment and use.
Therefore, in order to solve the above problems, it is necessary to design a reasonable intelligent liquid mixing and proportioning method.
Disclosure of Invention
The invention aims to provide the liquid intelligent mixing and proportioning method which is simple in structure, can efficiently and intelligently control the liquid mixing proportion, can adjust various mixing proportions of 0.00-100%, effectively ensures accurate mixing proportion, can be remotely controlled and can be used in various environments.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
an intelligent liquid mixing and proportioning method is suitable for a proportioning device comprising a first pump and a second pump, wherein the first pump is connected with a first liquid inlet pipe, the second pump is connected with a second liquid inlet pipe, the first liquid inlet pipe and the second liquid inlet pipe are both provided with flow meters, and the first pump and the second pump are both connected to a mixed outflow pipe;
the method comprises the following steps:
s1: acquiring mixing proportion data;
s2: judging whether the mixing proportion data is smaller than a first threshold value, if so, starting a first pump to suck the first liquid in a first liquid inlet pipe, and executing the step S3; otherwise, directly executing step S4;
s3: acquiring the reading of a flowmeter of a first liquid inlet pipe, and calculating to obtain a flow pre-counting value of a second liquid inlet pipe according to the mixing proportion data;
s4: judging whether the flow rate pre-counted value of the second liquid entering pipe is larger than a second threshold value or not, if so, starting a second pump to suck the second liquid entering the pipe, otherwise, directly executing the step S6;
s5: the reading of a flowmeter of a second liquid inlet pipe is obtained in real time, and the power of a second pump is adjusted through an electromagnetic valve;
s6: the first liquid in the first pump and the second liquid in the second pump are discharged through the mixed outflow pipe.
Preferably, the first threshold is 100%.
Preferably, the second threshold is 0.
Preferably, when step S5 is executed, a reading of a flow meter of the second liquid inlet pipe is obtained, and if the reading of the flow meter of the second liquid inlet pipe is greater than a preset flow rate value of the second liquid inlet pipe, the power of the second pump is reduced through the electromagnetic valve; and otherwise, if the reading of the flow meter of the second liquid inlet pipe is smaller than the flow rate preset value of the second liquid inlet pipe, the power of the second pump is increased through the electromagnetic valve until the reading of the flow meter of the second liquid inlet pipe is equal to the flow rate preset value of the second liquid inlet pipe.
Preferably, the proportioning device is further provided with a controller, and the connection modes of the controller, the flowmeter, the first pump, the second pump and the electromagnetic valve comprise wired connection and wireless connection.
Preferably, the proportioning device is further provided with a display screen, and the display screen is electrically connected with the flowmeter, the first pump, the second pump and the electromagnetic valve.
Another object of the present invention is to provide an intelligent liquid mixing and proportioning system, comprising:
the first pump module is used for sucking the first liquid in the first liquid inlet pipe and discharging the first liquid to the mixed outflow pipe;
the second pump module is used for sucking the second liquid in the second liquid inlet pipe and discharging the second liquid to the mixed outflow pipe;
the first flow acquiring module is arranged in the first liquid inlet pipe and used for acquiring the flow of the first liquid inlet pipe;
the second flow acquiring module is arranged in the second liquid inlet pipe and used for acquiring the flow of the second liquid inlet pipe;
a proportion obtaining module;
a first judgment module;
a calculation module;
a second judgment module;
an adjustment module;
the proportion obtains the module and obtains mixing proportion data, first judgement module judges whether mixing proportion data is less than first threshold value, if yes, open first pump module, and obtain first flow and obtain the module, flow count value of second liquid admission pipe is obtained through calculation module calculation, second judgement module judges whether flow count value of second liquid admission pipe is greater than second threshold value, if yes, open second pump module, through the power of adjusting module regulation second pump module, discharge first liquid in the first pump module and second liquid in the second pump module through mixing the outflow pipe at last.
Preferably, the system further comprises a comparison module for comparing the reading of the flow meter of the second liquid inlet pipe with the magnitude of the flow rate pre-counted value of the second liquid inlet pipe, and sending the comparison result to the adjustment module, so that the adjustment module can conveniently adjust the power of the second pump module.
Preferably, the system further comprises a control module for acquiring data of the proportion acquisition module, the first flow acquisition module and the second flow acquisition module, and controlling the first pump module, the second pump module and the regulation module.
Preferably, the system further comprises a display module for displaying the data of the acquisition ratio acquisition module, the first flow acquisition module, the second flow acquisition module, the first pump module, the second pump module and the adjustment module.
The intelligent liquid mixing and proportioning method and system have the beneficial effects that: simple structure can be high-efficient intelligent carry out liquid mixing ratio control, can adjust 0.00% to 100% multiple mixing ratio, effectively ensures that the proportion of thoughtlessly mixing is accurate, can remote control, can use under various environment.
Drawings
FIG. 1 is a schematic flow chart of an intelligent liquid mixing and proportioning method according to the present invention;
fig. 2 is a schematic flow chart of an intelligent liquid mixing and proportioning system according to the present invention.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and structures set forth in these embodiments does not limit the scope of the invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
The first embodiment is as follows: as shown in fig. 1, which is only one embodiment of the present invention, an intelligent liquid mixing and proportioning method is applicable to a proportioning device including a first pump and a second pump, wherein the first pump is connected to a first liquid inlet pipe, the second pump is connected to a second liquid inlet pipe, both the first liquid inlet pipe and the second liquid inlet pipe are provided with flow meters, and both the first pump and the second pump are connected to a mixed outflow pipe.
In the invention, actually, the intelligent control is performed on a liquid mixing and proportioning device, a first pump and a second pump are arranged in the proportioning device, the first pump and the second pump are self-priming pumps, the inlet end of the first pump is connected with a first liquid inlet pipe, the inlet end of the second pump is connected with a second liquid inlet pipe, the outlet ends of the first pump and the second pump are both connected to a mixing outlet pipe, that is, the first liquid enters the first pump from the first liquid inlet pipe, the second liquid enters the second pump from the second liquid inlet pipe, the two liquids flow out from the mixing outlet pipe after being mixed, wherein, the first liquid inlet pipe and the second liquid inlet pipe are both provided with flow meters, that is, the flow meters are two: the first liquid inlet pipe flowmeter is arranged in the first liquid inlet pipe and used for acquiring the flow of the first liquid inlet pipe; the second liquid inlet pipe flowmeter is arranged in the second liquid inlet pipe and used for acquiring the flow of the second liquid inlet pipe.
The following description will be given taking the first liquid as water and the second liquid as a functional liquid (fire extinguishing agent, pesticide, disinfectant, etc.) as an example.
There are three ways to mix here: in the first mixing condition, the first pump is turned on, the second pump is turned off, and only the first liquid, namely pure water, flowing into the mixing and outflow pipe has a mixing (of functional liquid) ratio of 0.00%; in the second mixing condition, the first pump is closed, the second pump is opened, and only the second liquid, namely the pure functional liquid, flows into the mixing and outflow pipe, wherein the mixing (of the functional liquid) ratio is 100%; and in the third mixing condition, the first pump and the second pump are both started, and the mixed liquid which flows into the mixed outflow pipe is the mixed liquid and has various proportions.
The method specifically comprises the following steps:
s1: acquiring mixing proportion data;
it should be noted that, the user sends the ratio value to be mixed to the mixing device, the range of the ratio value to be mixed is any value between 0% and 100%, and the mixing device starts to perform intelligent control after receiving the mixing requirement data of the sender.
S2: judging whether the mixing proportion data is smaller than a first threshold value, if so, starting a first pump to suck the first liquid in a first liquid inlet pipe, and executing the step S3; otherwise, directly executing step S4;
here, the first threshold value is 100%, and when it is judged that the mixing ratio data is less than 100%, it is necessary to start the first pump to operate and further control the mixing ratio, which indicates that water needs to be mixed (i.e., not in the second mixing case).
Of course, once the mixing ratio data is 100%, i.e. the pure functional liquid is outputted, the first pump is turned off, and the process goes directly to step S4, and only the second pump is turned on to output the second liquid functional liquid.
S3: acquiring the reading of a flowmeter of a first liquid inlet pipe, and calculating to obtain a flow pre-counting value of a second liquid inlet pipe according to the mixing proportion data;
after the first pump is started, the flow A of the first liquid inlet pipe is obtained according to a flow meter arranged on the first liquid inlet pipe, and the flow pre-counting value B of the second liquid inlet pipe is calculated according to the mixing proportion data, so that B/(A + B) is the mixing proportion data.
S4: judging whether the flow rate pre-counted value of the second liquid entering pipe is larger than a second threshold value or not, if so, starting a second pump to suck the second liquid entering the pipe, otherwise, directly executing the step S6;
here, if the value B is zero, the mixing ratio data is 0%, which means that the first liquid water is outputted by only turning on the first pump without turning on the second pump.
Of course, if the value B is not zero, the mixing ratio data is not 0%, at this time, the first pump and the second pump need to be turned on simultaneously, and then the second pump is turned on to start working under the condition that the first pump is already turned on.
S5: the reading of a flowmeter of a second liquid inlet pipe is obtained in real time, and the power of a second pump is adjusted through an electromagnetic valve;
acquiring the reading of a flow meter of the second liquid inlet pipe, and if the reading of the flow meter of the second liquid inlet pipe is larger than the flow rate preset value of the second liquid inlet pipe, reducing the power of the second pump through the electromagnetic valve; and otherwise, if the reading of the flow meter of the second liquid inlet pipe is smaller than the flow rate preset value of the second liquid inlet pipe, the power of the second pump is increased through the electromagnetic valve until the reading of the flow meter of the second liquid inlet pipe is equal to the flow rate preset value of the second liquid inlet pipe.
S6: the first liquid in the first pump and the second liquid in the second pump are discharged through the mixed outflow pipe.
And finally, outputting the mixed liquid to obtain an accurate mixing proportion.
It should be noted that the proportioning device is also provided with a controller, and the connection mode of the controller, the flowmeter, the first pump, the second pump and the electromagnetic valve comprises wired connection and wireless connection.
The data input of the mixing ratio data can be in two modes, one mode is remote input through a controller, the other mode is directly input at a knob of a shell of the proportioning device, and 0-100% of mixing data can be input.
The mixing device can be remotely controlled to mix liquid in proportion and can be controlled on site, the mixing device can be mounted in severe environment in various modes, and the mixing device can be remotely controlled to be used in various environments.
And the proportioning device is also provided with a display screen, and the display screen is electrically connected with the flowmeter, the first pump, the second pump and the electromagnetic valve. The display screen can set up on the ratio device, also can set up in control center, is connected with the ratio device electricity, can show the flow and the mixture ratio of two kinds of liquid on the display screen.
The liquid intelligent mixing and proportioning method disclosed by the invention is simple in structure, can efficiently and intelligently control the liquid mixing proportion, can adjust various mixing proportions of 0.00-100%, effectively ensures accurate mixing proportion, can be remotely controlled, and can be used in various environments.
In a second embodiment, as shown in fig. 2, the present invention further provides a proportioning system of the liquid intelligent mixing proportioning method in all the above embodiments, and the system includes:
the first pump module is used for sucking the first liquid in the first liquid inlet pipe and discharging the first liquid to the mixed outflow pipe;
the second pump module is used for sucking the second liquid in the second liquid inlet pipe and discharging the second liquid to the mixed outflow pipe;
the first flow acquiring module is arranged in the first liquid inlet pipe and used for acquiring the flow of the first liquid inlet pipe;
the second flow acquiring module is arranged in the second liquid inlet pipe and used for acquiring the flow of the second liquid inlet pipe;
a proportion obtaining module;
a first judgment module;
a calculation module;
a second judgment module;
an adjustment module;
the proportion obtains the module and obtains mixing proportion data, first judgement module judges whether mixing proportion data is less than first threshold value, if yes, open first pump module, and obtain first flow and obtain the module, flow count value of second liquid admission pipe is obtained through calculation module calculation, second judgement module judges whether flow count value of second liquid admission pipe is greater than second threshold value, if yes, open second pump module, through the power of adjusting module regulation second pump module, discharge first liquid in the first pump module and second liquid in the second pump module through mixing the outflow pipe at last.
Of course, the system also comprises a comparison module for comparing the reading of the flow meter of the second liquid inlet pipe with the flow pre-counting value of the second liquid inlet pipe, and sending the comparison result to the adjustment module, so that the adjustment module can adjust the power of the second pump module conveniently.
The system also comprises a control module which is used for acquiring the data of the proportion acquisition module, the first flow acquisition module and the second flow acquisition module and controlling the first pump module, the second pump module and the regulation module.
Finally, the system also comprises a display module and a transmission module, which are used for displaying the data of the acquisition proportion acquisition module, the first flow acquisition module, the second flow acquisition module, the first pump module, the second pump module and the regulation module, wherein the transmission module can be a wired transmission module or a wireless transmission module, and is used for transmitting the flow data to the management end in a wired (or wireless) way.
The liquid intelligent mixing and proportioning method and the system have simple structure, can efficiently and intelligently control the liquid mixing proportion, can adjust various mixing proportions of 0.00-100 percent, effectively ensure the accurate mixing proportion, can be remotely controlled, and can be used in various environments.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. An intelligent liquid mixing and proportioning method is characterized in that the method is suitable for a proportioning device comprising a first pump and a second pump, the first pump is connected with a first liquid inlet pipe, the second pump is connected with a second liquid inlet pipe, the first liquid inlet pipe and the second liquid inlet pipe are both provided with flow meters, and the first pump and the second pump are both connected to a mixed outflow pipe;
the method comprises the following steps:
s1: acquiring mixing proportion data;
s2: judging whether the mixing proportion data is smaller than a first threshold value, if so, starting a first pump to suck the first liquid in a first liquid inlet pipe, and executing the step S3; otherwise, directly executing step S4;
s3: acquiring the reading of a flowmeter of a first liquid inlet pipe, and calculating to obtain a flow pre-counting value of a second liquid inlet pipe according to the mixing proportion data;
s4: judging whether the flow rate preset value of the second liquid entering pipe is larger than a second threshold value or not, if so, starting a second pump to suck the second liquid entering the pipe, and executing the step S5; otherwise, directly executing step S6;
s5: the reading of a flowmeter of a second liquid inlet pipe is obtained in real time, and the power of a second pump is adjusted through an electromagnetic valve;
s6: the first liquid in the first pump and the second liquid in the second pump are discharged through the mixed outflow pipe.
2. The intelligent liquid mixing and proportioning method of claim 1, wherein:
the first threshold is 100%.
3. The intelligent liquid mixing and proportioning method of claim 1, wherein:
the second threshold value is 0.
4. The intelligent liquid mixing and proportioning method of claim 1, wherein:
when the step S5 is executed, acquiring a reading of a flow meter of the second liquid inlet pipe, and if the reading of the flow meter of the second liquid inlet pipe is larger than a flow rate pre-count value of the second liquid inlet pipe, reducing the power of the second pump through the electromagnetic valve; and otherwise, if the reading of the flow meter of the second liquid inlet pipe is smaller than the flow rate preset value of the second liquid inlet pipe, the power of the second pump is increased through the electromagnetic valve until the reading of the flow meter of the second liquid inlet pipe is equal to the flow rate preset value of the second liquid inlet pipe.
5. The intelligent liquid mixing and proportioning method of claim 1, wherein:
the proportioning device is also provided with a controller, and the connection mode of the controller, the flowmeter, the first pump, the second pump and the electromagnetic valve comprises wired connection and wireless connection.
6. The intelligent liquid mixing and proportioning method of claim 1, wherein:
the proportioning device is also provided with a display screen, and the display screen is electrically connected with the flowmeter, the first pump, the second pump and the electromagnetic valve.
7. The utility model provides a liquid intelligence mixes proportioning system which characterized in that includes:
the first pump module is used for sucking the first liquid in the first liquid inlet pipe and discharging the first liquid to the mixed outflow pipe;
the second pump module is used for sucking the second liquid in the second liquid inlet pipe and discharging the second liquid to the mixed outflow pipe;
the first flow acquiring module is arranged in the first liquid inlet pipe and used for acquiring the flow of the first liquid inlet pipe;
the second flow acquiring module is arranged in the second liquid inlet pipe and used for acquiring the flow of the second liquid inlet pipe;
a proportion obtaining module;
a first judgment module;
a calculation module;
a second judgment module;
an adjustment module;
the proportion obtains the module and obtains mixing proportion data, first judgement module judges whether mixing proportion data is less than first threshold value, if yes, open first pump module, and obtain first flow and obtain the module, flow count value of second liquid admission pipe is obtained through calculation module calculation, second judgement module judges whether flow count value of second liquid admission pipe is greater than second threshold value, if yes, open second pump module, through the power of adjusting module regulation second pump module, discharge first liquid in the first pump module and second liquid in the second pump module through mixing the outflow pipe at last.
8. The intelligent liquid mixing and proportioning system of claim 7, further comprising:
and the comparison module is used for comparing the reading of the flowmeter of the second liquid inlet pipe with the flow pre-counting value of the second liquid inlet pipe, sending a comparison result to the adjustment module, and facilitating the adjustment module to adjust the power of the second pump module.
9. The intelligent liquid mixing and proportioning system of claim 7, further comprising:
and the control module is used for acquiring data of the proportion acquisition module, the first flow acquisition module and the second flow acquisition module and controlling the first pump module, the second pump module and the adjusting module.
10. The intelligent liquid mixing and proportioning system of claim 7, further comprising:
and the display module is used for displaying the data of the acquisition proportion acquisition module, the first flow acquisition module, the second flow acquisition module, the first pump module, the second pump module and the regulation module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011308400.0A CN112506240A (en) | 2020-11-20 | 2020-11-20 | Intelligent liquid mixing and proportioning method and system |
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| CN202011308400.0A CN112506240A (en) | 2020-11-20 | 2020-11-20 | Intelligent liquid mixing and proportioning method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113592273A (en) * | 2021-07-23 | 2021-11-02 | 北京百瑞盛田环保科技发展有限公司 | Monitoring method and monitoring device for mixed medicament preparation |
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Application publication date: 20210316 |