CN111984039A - Flow rate control apparatus, flow rate control method, and storage medium - Google Patents
Flow rate control apparatus, flow rate control method, and storage medium Download PDFInfo
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- G—PHYSICS
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
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- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/001—Means for regulating or setting the meter for a predetermined quantity
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- G—PHYSICS
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- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
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Abstract
The present application relates to a flow rate control apparatus, a flow rate control method, and a storage medium. The flow velocity control equipment comprises a medium detection sensor, a flow sensor, a valve for opening and closing a pipeline, a motor for adjusting the opening and closing amount of the valve and a controller; the controller is respectively connected with the medium detection sensor, the flow sensor and the motor; the controller acquires a parameter value detected by the medium detection sensor and confirms a target flow rate according to the parameter value; the controller acquires an initial flow rate detected by the flow sensor and outputs a driving instruction to the motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate. And driving the motor to operate according to the difference between the initial flow rate value and the target flow rate. The flow velocity control equipment can adjust the flow velocity of the parameters according to the parameters of the medium, so that all components can be protected.
Description
Technical Field
The present disclosure relates to flow rate detection technologies, and in particular, to a flow rate control device, a flow rate control method, and a storage medium.
Background
The flow sensor is an instrument for detecting flow parameters of media such as liquid and gas, converting the flow parameters into signals of other forms and outputting the signals, and is widely applied to the field of automatic control. However, in a measurement process applied to a corrosive liquid or gas having acidity or the like, the corrosion tends to occur.
In the implementation process, the inventor finds that at least the following problems exist in the conventional technology: the traditional equipment at present has the problem of poor corrosion resistance.
Disclosure of Invention
In view of the above, it is necessary to provide a flow rate control apparatus, a flow rate control method, and a storage medium having high corrosion resistance.
To achieve the above object, in one aspect, an embodiment of the present invention provides a flow rate control apparatus, including:
a medium detection sensor;
a flow sensor;
a valve for opening and closing the pipeline;
a motor for adjusting the switching value of the valve;
a controller; the controller is respectively connected with the medium detection sensor, the flow sensor and the motor; the controller acquires a parameter value detected by the medium detection sensor and confirms a target flow rate according to the parameter value; the controller acquires an initial flow rate detected by the flow sensor and outputs a driving instruction to the motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
In one embodiment, the media detection sensor comprises a PH sensor;
the PH sensor is connected with the controller; the controller obtains the PH value detected by the PH sensor and confirms the target flow rate according to the PH value.
In one embodiment, the media detection sensor comprises a conductivity sensor;
the conductivity sensor is connected with the controller; the controller obtains a conductivity value detected by the conductivity sensor and confirms a target flow rate according to the conductivity value.
In one embodiment, the system further comprises a memory connected with the controller; the memory is used for storing the target flow rate;
when the controller is in a power-on state, reading a target flow rate and acquiring a current flow rate detected by the flow sensor; the controller outputs an adjusting instruction to the motor according to the difference value between the current flow rate and the target flow rate; the regulating instruction is used for regulating the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
In one embodiment, the system further comprises a human-computer interaction device connected with the controller; the human-computer interaction equipment is used for indicating the controller to enter an automatic mode or a manual mode;
under the condition of being in a manual mode at present, the controller receives a set flow rate transmitted by the human-computer interaction equipment and outputs a control instruction to the motor according to the difference value of the initial flow rate and the set flow rate; the control instruction is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the set flow rate.
On one hand, the embodiment of the invention also provides a flow rate control method, which comprises the following steps:
acquiring a parameter value detected by a medium detection sensor, and confirming a target flow rate according to the parameter value;
acquiring an initial flow rate detected by a flow sensor, and outputting a driving instruction to a motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
In one embodiment, the method further comprises the following steps:
when the flow sensor is in a power-on state, reading the target flow speed in the memory and acquiring the current flow speed detected by the flow sensor;
outputting an adjusting instruction to the motor according to the difference value between the current flow speed and the target flow speed; the regulating instruction is used for regulating the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
In one embodiment, the method further comprises the following steps:
reading the operation mode in the memory when the memory is in a power-on state;
and under the condition that the current flow rate is in the automatic mode, reading the target flow rate stored in the memory and acquiring the current flow rate detected by the flow sensor.
In one embodiment, the method further comprises the following steps:
under the condition that the motor is in the manual mode at present, receiving a set flow rate and outputting an adjusting instruction to the motor according to the difference value of the initial flow rate and the set flow rate; the adjusting instruction is used for indicating the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the set flow rate; wherein the set flow rate is transmitted by the human-computer interaction device.
In another aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the steps of any one of the above methods.
One of the above technical solutions has the following advantages and beneficial effects:
the flow velocity control device comprises a medium detection sensor, a flow sensor, a valve for opening and closing a pipeline, a motor for adjusting the opening and closing amount of the valve and a controller; the controller is respectively connected with the medium detection sensor, the flow sensor and the motor; the controller acquires a parameter value detected by the medium detection sensor and confirms a target flow rate according to the parameter value; the controller acquires an initial flow rate detected by the flow sensor and outputs a driving instruction to the motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate. And detecting a parameter value of the medium through a medium detection sensor, and obtaining a target flow rate corresponding to the parameter value. And then acquiring an initial flow rate value, and driving the motor to operate according to the difference value between the initial flow rate value and the target flow rate so as to change the switching value of the valve, and finally enabling the medium flow rate to be equal to the target flow rate. The flow velocity control equipment can adjust the parameter flow velocity according to the parameters of the medium, so that all components (including a flow sensor) can be protected.
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The foregoing and other objects, features and advantages of the application will be apparent from the following more particular description of preferred embodiments of the application, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the subject matter of the present application.
FIG. 1 is a first schematic block diagram of a flow rate control apparatus according to an embodiment;
FIG. 2 is a second schematic block diagram of a flow rate control apparatus according to an embodiment;
FIG. 3 is a third schematic block diagram of a flow rate control apparatus according to an embodiment;
FIG. 4 is a fourth schematic block diagram of a flow rate control apparatus according to an embodiment;
FIG. 5 is a fifth schematic block diagram of a flow rate control apparatus according to an embodiment;
FIG. 6 is a first schematic flow chart diagram of a flow rate control method in one embodiment;
FIG. 7 is a second schematic flow chart diagram of a flow rate control method in one embodiment;
FIG. 8 is a third schematic flow chart diagram of a flow rate control method in one embodiment;
FIG. 9 is a fourth schematic flow chart diagram illustrating a flow rate control method in accordance with one embodiment;
fig. 10 is a block diagram showing the structure of a flow rate control device in one embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
In one embodiment, as shown in fig. 1, there is provided a flow rate control device including:
a medium detection sensor;
a flow sensor;
a valve for opening and closing the pipeline;
a motor for adjusting the switching value of the valve;
a controller; the controller is respectively connected with the medium detection sensor, the flow sensor and the motor; the controller acquires a parameter value detected by the medium detection sensor and confirms a target flow rate according to the parameter value; the controller acquires an initial flow rate detected by the flow sensor and outputs a driving instruction to the motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
The medium detection sensor may be any sensor capable of detecting a medium in the art. Such as PH sensors, etc. The flow sensor may be any sensor used in the art for detecting the flow rate of a liquid. The valve is used for opening and closing the pipeline.
Optionally, the type of the controller 200 is not limited, and may be set according to an actual application, for example, the controller may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, etc.
Specifically, the controller is connected to the medium detection sensor and is configured to obtain a parameter value detected by the medium detection sensor. Further, the controller and the media detection sensor can transmit data through an I/O serial port. It should be noted that the controller may identify the target flow rate according to different parameter values. In a specific example, the controller may determine the target flow rate according to a preset correspondence between the parameter value and the target flow rate. The correspondence relationship may be a graph, a correspondence table, an equation, or the like. The controller may obtain the target flow rate corresponding to the parameter value according to a graph, a corresponding table, or an equation. The controller is connected to the flow sensor and is configured to obtain an initial flow rate detected by the flow sensor, where the initial flow rate is a flow rate of the pipe medium that is not regulated by the valve. The controller outputs a driving command to the motor according to the difference between the initial flow rate and the target flow rate. The driving instruction is used for adjusting the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate. In a specific example, the system further comprises a communication interface, wherein the communication interface is connected with the controller and is used for realizing data transmission with an upper computer, and the function of upgrading the product can be realized based on the communication interface. In one specific example, a water leakage identification device may be further included for detecting whether water leaks in the pipeline. The water leakage identification equipment is connected with the controller, and the valve is closed under the condition that water is leaked by the controller. Furthermore, the motor can rotate in any stepless speed regulation mode in the field.
The flow rate control device detects the parameter value of the medium through the medium detection sensor, and obtains the target flow rate corresponding to the parameter value. And then acquiring an initial flow rate value, and driving the motor to operate according to the difference value between the initial flow rate value and the target flow rate so as to change the switching value of the valve, and finally enabling the flow rate of the medium to be equal to the target flow rate. The flow velocity control equipment can adjust the parameter flow velocity according to the parameters of the medium, so that all components (including a flow sensor) can be protected.
In one embodiment, as shown in FIG. 2, the media detection sensor comprises a pH sensor;
the PH sensor is connected with the controller; the controller obtains the PH value detected by the PH sensor and confirms the target flow rate according to the PH value.
Specifically, the medium detection sensor includes a PH sensor for detecting a PH value in the pipe. The controller may use any means in the art to obtain the PH detected by the PH sensor and determine the target flow rate based on the PH. Specifically, when the pH is not 7.0, the target flow rate is increased. The corrosion resistance of the equipment can be increased by confirming the target flow rate according to the pH value by the pH sensor.
In one embodiment, as shown in FIG. 3, the media detection sensor comprises a conductivity sensor;
the conductivity sensor is connected with the controller; the controller obtains a conductivity value detected by the conductivity sensor and confirms a target flow rate according to the conductivity value.
Specifically, the medium detection sensor comprises a conductivity sensor for detecting the conductivity of the medium in the pipeline. The flow rate control device can be applied to cleaning equipment for cleaning a circuit board and is used for acquiring the concentration of the electric ions in the cleaning process by detecting the conductivity. And the target flow rate is confirmed according to the conductivity value, so that the corrosion resistance is further improved, and the industrial requirement of the wastewater quality can be met.
In one embodiment, as shown in fig. 4, a memory connected to the controller is further included; the memory is used for storing the target flow rate;
when the controller is in a power-on state, reading a target flow rate and acquiring a current flow rate detected by the flow sensor; the controller outputs an adjusting instruction to the motor according to the difference value between the current flow rate and the target flow rate; the regulating instruction is used for regulating the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
Specifically, the memory stores the target flow rate, and when the controller is in the power-on state, the target flow rate in the memory can be read, and the current flow rate can be obtained again. And simultaneously, outputting an adjusting instruction to the motor according to the difference value between the current flow rate and the target flow rate so as to control the flow rate of the medium in the pipeline. Through the memory, the controller can continuously adjust the flow rate of the medium in the pipeline under the condition of power restoration after power failure.
In one embodiment, as shown in fig. 5, the system further comprises a human-computer interaction device connected with the controller; the human-computer interaction equipment is used for indicating the controller to enter an automatic mode or a manual mode;
under the condition of being in a manual mode at present, the controller receives a set flow rate transmitted by the human-computer interaction equipment and outputs a control instruction to the motor according to the difference value of the initial flow rate and the set flow rate; the control instruction is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the set flow rate.
Specifically, the automatic mode is to automatically adjust the flow rate of the medium according to the PH value. The manual mode refers to adjusting the flow rate of the medium according to a manually set flow rate. The automatic mode and the manual mode can be adjusted through the human-computer interaction device.
The controller can control the medium flow rate according to the set flow rate (namely, the set flow rate input through a manual mode) transmitted by the human-computer interaction device, and specifically, the controller outputs a driving instruction to the motor according to the difference value between the initial flow rate and the set flow rate. In a specific example, the human-computer interaction device comprises a display screen and an input key, and the display is used for displaying the set value of the input parameter. The display may include any surface, or other implement that is capable of causing the display of graphical or other visual information. Further, the display may include any type of projector that projects an image or visual information onto a flat or curved surface. For example, the display may include one or more of a television, a computer display, a head-mounted display, a broadcast reference monitor, a Liquid Crystal Display (LCD) screen, a Light Emitting Diode (LED) based display, an LED backlit LCD display, a Cathode Ray Tube (CRT) display, an Electroluminescent (ELD) display, an electronic paper/ink display, a plasma display panel, an Organic Light Emitting Diode (OLED) display, a Thin Film Transistor (TFT) display, a High Performance Addressing (HPA) display, surface-conduction electron-emitting displays, quantum dot displays, interferometric modulator displays, volume-scanning displays, carbon nanotube displays, zoom mirror displays, emission wavelength displays, laser displays, holographic displays, light field displays, walls, three-dimensional displays, electronic ink displays, and any other electronic device for outputting visual information. The display may comprise or be part of a touch screen.
In one embodiment, there is provided a circuit board cleaning apparatus comprising a flow rate control device as defined in any one of the preceding claims.
In one embodiment, as shown in fig. 6, there is provided a flow rate control method based on the above flow rate control apparatus, including the steps of:
s610, obtaining a parameter value detected by a medium detection sensor, and confirming a target flow rate according to the parameter value;
specifically, the parameter value detected by the child detection sensor may be acquired by any means in the art. In a specific example, the control may confirm the target flow rate according to a preset correspondence between the parameter value and the target flow rate. The correspondence relationship may be a graph, a correspondence table, an equation, or the like. The target flow rate corresponding to the parameter value may be obtained from a graph, a correspondence table, or an equation.
S620, acquiring an initial flow rate detected by the flow sensor, and outputting a driving instruction to the motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
Specifically, the initial flow rate detected by the flow sensor may be obtained by any means in the art. And outputting a driving command to the motor according to the difference between the initial flow rate and the target flow rate.
In one embodiment, as shown in fig. 7, the method further comprises the steps of:
s710, when the power-on state is achieved, reading the target flow speed in the memory and acquiring the current flow speed detected by the flow sensor;
specifically, the memory stores a target flow rate. While in the power-up state, the target flow rate in memory may be read and the current flow rate retrieved. And simultaneously, outputting an adjusting instruction to the motor according to the difference value between the current flow rate and the target flow rate so as to control the flow rate of the medium in the pipeline. Through the memory, the controller can continuously adjust the flow rate of the medium in the pipeline under the condition of power restoration after power failure.
S720, outputting an adjusting instruction to the motor according to the difference value between the current flow rate and the target flow rate; the regulating instruction is used for regulating the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
Specifically, the motor is output with an adjustment command according to the difference between the current flow rate and the target flow rate. The motor adjusts the opening and closing amount of the valve, so that the flow rate of the medium in the pipeline is equal to the target flow rate.
In one embodiment, as shown in fig. 8, the method further includes the steps of:
s810, reading the operation mode in the memory when the memory is in a power-on state;
and S820, if the operation mode is the automatic mode, reading the target flow speed stored in the memory and acquiring the current flow speed detected by the flow sensor.
Specifically, when the automatic mode is currently in use, the steps S610 to S620 and S710 to S720 are executed. By the method, various control modes for controlling the flow rate can be realized. Illustratively, under the condition that the current automatic mode is confirmed, the parameter value detected by the medium detection sensor is obtained at regular time, and the target flow rate is confirmed according to the parameter value; meanwhile, acquiring an initial flow rate detected by a flow sensor, and outputting a driving instruction to a motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate. Under the condition of power-on after power loss is detected, reading the target flow speed in the memory and acquiring the current flow speed detected by the flow sensor; outputting an adjusting instruction to the motor according to the difference value between the current flow speed and the target flow speed; the regulating instruction is used for regulating the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
In one embodiment, as shown in fig. 9, the method further includes the steps of:
s910, when the memory is in a power-on state, reading the operation mode in the memory;
s920, when the current mode is in the automatic mode, the method proceeds to the step of reading the target flow rate stored in the memory and obtaining the current flow rate detected by the flow sensor.
Further comprising the steps of:
s930, when the current mode is in a manual mode, receiving a set flow rate, and outputting an adjusting instruction to the motor according to the difference value between the initial flow rate and the set flow rate; the adjusting instruction is used for indicating the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the set flow rate; wherein the set flow rate is transmitted by the human-computer interaction device.
Specifically, the set flow rate may be input by a human-computer interaction device, or may be obtained by a background server through communication transmission. The medium flow rate can be controlled according to the set flow rate (namely, the set flow rate input through a manual mode) transmitted by the human-computer interaction equipment, and specifically, a driving instruction is output to the motor according to the difference value of the initial flow rate and the set flow rate.
It should be understood that although the various steps in the flow charts of fig. 6-9 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Also, at least some of the steps in fig. 6-9 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 10, there is provided a flow rate control device including:
the target flow rate acquisition module is used for acquiring parameter values detected by the medium detection sensor and confirming the target flow rate according to the parameter values;
the driving instruction output module is used for acquiring the initial flow speed detected by the flow sensor and outputting a driving instruction to the motor according to the difference value of the initial flow speed and the target flow speed; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
In one embodiment, the flow rate control device further includes:
the current flow rate acquisition module is used for reading the target flow rate in the memory and acquiring the current flow rate detected by the flow sensor when the current flow rate acquisition module is in a power-on state;
the adjusting instruction output module is used for outputting an adjusting instruction to the motor according to the difference value between the current flow speed and the target flow speed; the regulating instruction is used for regulating the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
In one embodiment, the flow rate control device further includes:
the reading module is used for reading the operation mode in the memory when the memory is in a power-on state;
and the automatic mode execution module is used for entering the steps of reading the target flow speed stored in the memory and acquiring the current flow speed detected by the flow sensor under the condition that the current flow speed is in the automatic mode.
In one embodiment, the flow rate control device further includes:
the manual mode execution module is used for receiving a set flow rate and outputting an adjusting instruction to the motor according to the difference value of the initial flow rate and the set flow rate under the condition of being in the manual mode at present; the adjusting instruction is used for indicating the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the set flow rate; wherein the set flow rate is transmitted by the human-computer interaction device.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring a parameter value detected by a medium detection sensor, and confirming a target flow rate according to the parameter value;
acquiring an initial flow rate detected by a flow sensor, and outputting a driving instruction to a motor according to a difference value between the initial flow rate and a target flow rate; the driving command is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
In one embodiment, the computer program when executed by the processor further performs the steps of:
when the flow sensor is in a power-on state, reading the target flow speed in the memory and acquiring the current flow speed detected by the flow sensor;
outputting an adjusting instruction to the motor according to the difference value between the current flow speed and the target flow speed; the regulating instruction is used for regulating the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
In one embodiment, the computer program when executed by the processor further performs the steps of:
reading the operation mode in the memory when the memory is in a power-on state;
and under the condition that the current flow rate is in the automatic mode, reading the target flow rate stored in the memory and acquiring the current flow rate detected by the flow sensor.
In one embodiment, the computer program when executed by the processor further performs the steps of:
reading the operation mode in the memory when the memory is in a power-on state;
under the condition that the motor is in the manual mode at present, receiving a set flow rate and outputting an adjusting instruction to the motor according to the difference value of the initial flow rate and the set flow rate; the adjusting instruction is used for indicating the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the set flow rate; wherein the set flow rate is transmitted by the human-computer interaction device.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus DRAM (RDRAM), and interface DRAM (DRDRAM).
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A flow rate control apparatus, characterized by comprising:
a medium detection sensor;
a flow sensor;
a valve for opening and closing the pipeline;
a motor for adjusting the switching value of the valve;
a controller; the controller is respectively connected with the medium detection sensor, the flow sensor and the motor; the controller acquires a parameter value detected by the medium detection sensor and confirms a target flow rate according to the parameter value; the controller acquires an initial flow speed detected by the flow sensor and outputs a driving instruction to the motor according to a difference value between the initial flow speed and the target flow speed; the driving instruction is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
2. The flow rate control device according to claim 1, wherein the medium detection sensor includes a PH sensor;
the PH sensor is connected with the controller; and the controller acquires the PH value detected by the PH sensor and confirms the target flow rate according to the PH value.
3. The flow rate control apparatus according to claim 1, wherein the medium detection sensor includes a conductivity sensor;
the conductivity sensor is connected with the controller; and the controller acquires a conductivity value detected by the conductivity sensor and confirms the target flow rate according to the conductivity value.
4. The flow rate control device according to claim 1, further comprising a memory connected to the controller; the memory is used for storing the target flow rate;
when the controller is in a power-on state, reading the target flow rate and acquiring the current flow rate detected by the flow sensor; the controller outputs an adjusting instruction to the motor according to the difference value between the current flow rate and the target flow rate; the adjusting instruction is used for adjusting the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
5. The flow rate control device according to claim 1, further comprising a human-machine interface device connected to the controller; the human-computer interaction equipment is used for indicating the controller to enter an automatic mode or a manual mode;
under the condition that the motor is in the manual mode at present, the controller receives a set flow rate transmitted by the human-computer interaction equipment, and outputs a control instruction to the motor according to a difference value between the initial flow rate and the set flow rate; the control instruction is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the set flow rate.
6. A flow rate control method based on the flow rate control apparatus according to any one of claims 1 to 5, characterized by comprising the steps of:
acquiring a parameter value detected by the medium detection sensor, and confirming a target flow rate according to the parameter value;
acquiring an initial flow speed detected by the flow sensor, and outputting a driving instruction to the motor according to a difference value between the initial flow speed and the target flow speed; the driving instruction is used for instructing the motor to adjust the opening and closing amount of the valve so as to enable the flow rate of the medium in the pipeline to be equal to the target flow rate.
7. The flow rate control method according to claim 6, characterized by further comprising the steps of:
when the flow sensor is in a power-on state, reading the target flow speed in a memory and acquiring the current flow speed detected by the flow sensor;
outputting an adjusting instruction to the motor according to the difference value between the current flow speed and the target flow speed; the adjusting instruction is used for adjusting the opening and closing amount of the valve by the motor so that the flow rate of the medium in the pipeline is equal to the target flow rate.
8. The flow rate control method according to claim 7, characterized by further comprising the steps of:
reading the operation mode in the memory when the memory is in a power-on state;
and under the condition that the current flow rate is in the automatic mode, reading the target flow rate stored in a memory and acquiring the current flow rate detected by the flow sensor.
9. The flow rate control method according to claim 6, characterized by further comprising the steps of:
under the condition that the motor is in the manual mode at present, receiving a set flow rate and outputting an adjusting instruction to the motor according to the difference value between the initial flow rate and the set flow rate; the adjusting instruction is used for instructing the motor to adjust the opening and closing amount of the valve so that the flow rate of the medium in the pipeline is equal to the set flow rate; wherein the set flow rate is transmitted by the human-computer interaction device.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 6 to 9.
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