CN112728192A - Valve control method, control device, control equipment and computer equipment - Google Patents
Valve control method, control device, control equipment and computer equipment Download PDFInfo
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- CN112728192A CN112728192A CN202110002850.5A CN202110002850A CN112728192A CN 112728192 A CN112728192 A CN 112728192A CN 202110002850 A CN202110002850 A CN 202110002850A CN 112728192 A CN112728192 A CN 112728192A
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- flow rate
- target flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- 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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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Flow Control (AREA)
Abstract
The embodiment of the invention discloses a valve control method, a valve control device, control equipment and computer equipment. The valve control method comprises S1, acquiring the current flow rate of the valve; s2, if the current flow rate is not within the target flow rate range, adjusting the opening of the valve; s3, if the current flow rate after the opening degree is adjusted is not within the target flow rate range, adjusting the valve to the original opening degree, and returning to execute S1; s4, if the opening degree adjustment times are equal to N and the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, updating the target flow speed range and returning to execute S1; until the current flow rate of the valve is within the updated target flow rate range. The embodiment of the invention realizes the purposes of prolonging the service life of the valve and improving the metering precision of the flowmeter.
Description
Technical Field
The embodiment of the invention relates to an industrial automation technology, in particular to a valve control method, a control device, control equipment and computer equipment.
Background
With the great development of industry, the automation level of industrial equipment is more and more emphasized by people.
The target flow rate range of current valve control systems is a fixed value and can only be alerted by an alarm that the valve is not normally open or closed.
Therefore, in the valve adjustment process of the existing valve control system, the valve is slightly closed and adjusted to be lower than the target flow rate range, and then slightly opened and adjusted to be higher than the target flow rate range. Therefore, the valve can be continuously adjusted at two sides of the target flow velocity range, the flow velocity is not small or large, the valve opening is continuously adjusted, the service life of the valve is greatly shortened, and the flow meter cannot accurately measure the fluid flow due to unstable flow velocity. And the alarm cannot warn the continuous adjustment of the valve, so that related personnel easily neglect the problem and cannot timely overhaul.
Disclosure of Invention
The invention provides a valve control method, a control device, control equipment and computer equipment, which are used for prolonging the service life of a valve and improving the metering precision of a flowmeter.
In a first aspect, an embodiment of the present invention provides a valve control method, including:
s1, acquiring the current flow rate of the valve;
s2, if the current flow rate is not within the target flow rate range, adjusting the opening of the valve;
s3, if the current flow rate after the opening degree is adjusted is not within the target flow rate range, adjusting the valve to the original opening degree, and returning to execute S1;
s4, if the opening degree adjustment times are equal to N and the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, updating the target flow speed range and returning to execute S1; until the current flow rate of the valve is in the updated target flow rate range;
wherein the target flow rate range before updating is within the target flow rate range after updating; n is a positive integer greater than 1.
Further, the valve control method further includes:
s5, if the target flow speed range updating times are equal to M and the current flow speed after the target flow speed range is updated for the Mth time is not in the target flow speed range, performing valve abnormity alarm;
wherein M is a positive integer greater than 1.
Further, if the current flow rate is not within the target flow rate range, adjusting the opening of the valve includes:
if the current flow rate is smaller than the minimum value of the target flow rate range, increasing the opening degree of the valve;
and if the current flow rate is larger than the maximum value of the target flow rate range, reducing the opening degree of the valve.
Further, if the opening degree adjustment number is equal to N and the current flow rate after the opening degree is adjusted for the nth time is not within the target flow rate range, updating the target flow rate range includes:
if the opening degree adjustment times are equal to N, the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, and the current flow speed after the opening degree is adjusted for the Nth time is smaller than the minimum value of the target flow speed range, reducing the minimum value of the target flow speed range and taking the reduced minimum value as an updated target flow speed range;
and if the opening degree adjustment times are equal to N, the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, and the current flow speed after the opening degree is adjusted for the Nth time is larger than the maximum value of the target flow speed range, increasing the maximum value of the target flow speed range and taking the increased maximum value as the updated target flow speed range.
Further, if the opening degree adjustment number is equal to N and the current flow rate after the opening degree is adjusted for the nth time is not within the target flow rate range, updating the target flow rate range includes:
and if the opening degree adjustment times are equal to N and the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, reducing the minimum value of the target flow speed range and increasing the maximum value of the target flow speed range to be used as the updated target flow speed range.
In a second aspect, an embodiment of the present invention provides a valve control apparatus, including:
the current flow rate obtaining module is used for obtaining the current flow rate of the valve;
the opening adjusting module is used for adjusting the opening of the valve if the current flow rate is not within the target flow rate range;
the opening switching module is used for adjusting the valve to be an original opening if the current flow speed after the opening is adjusted is not within the target flow speed range, and instructing the current flow speed obtaining module to execute the operation of obtaining the current flow speed of the valve;
the target flow velocity range updating module is used for updating the target flow velocity range and indicating the current flow velocity obtaining module to execute the operation of obtaining the current flow velocity of the valve if the opening degree adjusting times are equal to N and the current flow velocity after the opening degree is adjusted for the Nth time is not in the target flow velocity range; until the current flow rate of the valve is in the updated target flow rate range;
wherein the target flow rate range before updating is within the target flow rate range after updating; n is a positive integer greater than 1.
Further, the valve control device further comprises a valve abnormity alarm module, which is used for alarming valve abnormity if the number of times of updating the target flow speed range is equal to M and the current flow speed after the target flow speed range is updated for the Mth time is not in the target flow speed range, wherein M is a positive integer greater than 1.
In a third aspect, an embodiment of the present invention provides a loading apparatus, where the loading apparatus includes:
one or more processors;
storage means for storing one or more programs;
the flow rate sensor is used for acquiring the current flow rate of the valve;
the actuating mechanism is used for controlling the opening of the adjusting valve;
when executed by one or more processors, cause the one or more processors to implement any of the valve control methods described above.
In a fourth aspect, an embodiment of the present invention provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement any of the above valve control methods.
In a fifth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement any one of the above valve control methods.
According to the embodiment of the invention, the current flow speed is in the target flow speed range by gradually adjusting the target flow speed range. Under the condition of ensuring that the current flow rate is within the required flow rate range, the valve is prevented from being frequently adjusted, and the service life of the valve is greatly prolonged. Meanwhile, the flow velocity is stable, so that the metering precision of the flowmeter is improved.
Drawings
Fig. 1 is a flowchart of a valve control method according to an embodiment of the present invention;
FIG. 2 is another flow chart of a valve control method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an exemplary embodiment of a valve control according to the present invention;
fig. 4 is a schematic structural diagram of a valve control device according to an embodiment of the present invention;
fig. 5 is a schematic control interface diagram of a valve control apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a computer device according to an embodiment of the present invention;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
An embodiment of the present invention provides a valve control method, and fig. 1 is a flowchart of the valve control method provided in the embodiment of the present invention, referring to fig. 1, where:
s1, acquiring the current flow rate of the valve;
s2, if the current flow rate is not within the target flow rate range, adjusting the opening of the valve;
s3, if the current flow rate after the opening degree is adjusted is not within the target flow rate range, adjusting the valve to the original opening degree, and returning to execute S1;
s4, if the opening degree adjustment times are equal to N and the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, updating the target flow speed range and returning to execute S1; until the current flow rate of the valve is in the updated target flow rate range;
wherein the target flow rate range before updating is within the target flow rate range after updating; n is a positive integer greater than 1.
The current flow rate of the valve can be obtained by a flow meter. The original opening degree can be set according to actual needs. The target flow velocity ranges are multiple, and the multiple target flow velocity ranges can be set according to actual needs. When the target flow rate range is updated, the target flow rate range is updated in order of the range from small to large.
Fig. 2 is another flowchart of a valve control method according to an embodiment of the present invention, referring to fig. 2, in other embodiments, the valve control method further includes:
s5, if the target flow speed range updating times are equal to M and the current flow speed after the target flow speed range is updated for the Mth time is not in the target flow speed range, performing valve abnormity alarm;
wherein M is a positive integer greater than 1.
The N and the M in the embodiment of the invention can be set to specific values according to actual needs. The valve abnormity alarm can be a sounding alarm, a luminous alarm, a sound-light alarm, or an alarm signal sent by wired communication or wireless communication.
Optionally, if the current flow rate is not within the target flow rate range, adjusting the opening of the valve includes:
if the current flow rate is smaller than the minimum value of the target flow rate range, increasing the opening degree of the valve;
and if the current flow rate is larger than the maximum value of the target flow rate range, reducing the opening degree of the valve.
The process of adjusting the opening degree of the valve can be as follows:
if the current flow rate is smaller than the minimum value of the target flow rate range, increasing the opening degree of the valve and measuring the current flow rate in real time to confirm whether the current flow rate is in the target flow rate range or not until the current flow rate is larger than the maximum value of the target flow rate range;
and if the current flow rate is larger than the maximum value of the target flow rate range, reducing the opening degree of the valve and measuring the current flow rate in real time to confirm whether the current flow rate is in the target flow rate range or not until the current flow rate is smaller than the minimum value of the target flow rate range.
And if the current flow rate is in the target flow rate range, stopping adjusting the valve.
Embodiments of the present invention aim to attempt to adjust the valve opening by the above method such that the current flow rate is within the target flow rate range.
Optionally, if the opening degree adjustment number is equal to N, and the current flow rate after the opening degree is adjusted for the nth time is not within the target flow rate range, updating the target flow rate range includes:
if the opening degree adjustment times are equal to N, the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, and the current flow speed after the opening degree is adjusted for the Nth time is smaller than the minimum value of the target flow speed range, reducing the minimum value of the target flow speed range and taking the reduced minimum value as an updated target flow speed range;
and if the opening degree adjustment times are equal to N, the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, and the current flow speed after the opening degree is adjusted for the Nth time is larger than the maximum value of the target flow speed range, increasing the maximum value of the target flow speed range and taking the increased maximum value as the updated target flow speed range.
Embodiments of the present invention may extend the target flow rate range by, among other things, changing only one of the endpoint values of the target flow rate range.
Optionally, if the opening degree adjustment number is equal to N, and the current flow rate after the opening degree is adjusted for the nth time is not within the target flow rate range, updating the target flow rate range includes:
and if the opening degree adjustment times are equal to N and the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, reducing the minimum value of the target flow speed range and increasing the maximum value of the target flow speed range to be used as the updated target flow speed range.
Embodiments of the present invention may extend the target flow rate range by changing the end point values of the target flow rate range.
Fig. 3 is a schematic diagram of an example of a specific valve control provided by an embodiment of the present invention, referring to fig. 3, when flow rate adjustment is started, first flow rate adjustment is performed to try to adjust the flow rate to be within a first target flow rate range, and first flow rate maintenance is performed after the flow rate adjustment, and the flow rate is waited to be stable so as to accurately measure the current flow rate. Then measuring whether the current flow rate is within a first target flow rate range, if so, stopping adjusting, and enabling the valve to enter a stable working state; if the current flow rate is not in the first target flow rate range, returning to the first flow rate adjusting step to continue adjusting; and if the Nth judgment result of whether the current flow rate is in the first target flow rate range is still negative, updating the target flow rate range into a second target flow rate range. And repeating the steps until the Nth judgment result of whether the current flow speed is in the Mth target flow speed range is negative, and giving an alarm.
In another aspect, an embodiment of the present invention provides a valve control apparatus, and fig. 4 is a schematic structural diagram of the valve control apparatus according to the embodiment of the present invention, referring to fig. 4, where:
the current flow rate obtaining module 1 is used for obtaining the current flow rate of the valve;
the opening adjusting module 2 is used for adjusting the opening of the valve if the current flow rate is not within the target flow rate range;
the opening degree switching module 3 is used for adjusting the valve to be an original opening degree if the current flow rate after the opening degree is adjusted is not within the target flow rate range, and instructing the current flow rate obtaining module to execute the operation of obtaining the current flow rate of the valve;
the target flow velocity range updating module 4 is configured to update the target flow velocity range and instruct the current flow velocity obtaining module to perform an operation of obtaining the current flow velocity of the valve if the opening degree adjustment times are equal to N and the current flow velocity after the opening degree adjustment for the nth time is not within the target flow velocity range; until the current flow rate of the valve is in the updated target flow rate range;
wherein the target flow rate range before updating is within the target flow rate range after updating; n is a positive integer greater than 1. The valve control device provided by the embodiment of the invention can execute the valve control method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
In other embodiments, the valve control apparatus further includes a valve abnormality alarm module, configured to alarm for a valve abnormality if the number of times that the target flow rate range is updated is equal to M, and the current flow rate after the target flow rate range is updated for the mth time is not within the target flow rate range, where M is a positive integer greater than 1.
The valve control device provided by the embodiment of the invention can execute the valve control method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Optionally, the valve control apparatus further comprises a display device for displaying a control interface of the valve control apparatus. Fig. 5 is a schematic view of a control interface of a valve control apparatus according to an embodiment of the present invention, referring to fig. 5, where the control interface includes a first target flow rate range, a second target flow rate range, up to an xth target flow rate range, and a plurality of target flow rate ranges that can be set as required; the flow rate control device also comprises a plurality of flow rate control times which are corresponding to the first flow rate control time and the second flow rate control time and can be set as required till the Xth flow rate control time; and a plurality of flow rate holding times which can be set as required, such as a first flow rate holding time, a second flow rate holding time, up to an xth flow rate holding time, and the like. Wherein the flow rate adjustment time is a time for performing a flow rate adjustment action, and the flow rate maintenance time is a time required to wait for the flow rate to be stabilized after the flow rate adjustment so as to accurately measure the current flow rate. The control interface may also include a number of target flow rate range updates enabled, which may be enabled for M updates as needed. The control interface can also comprise a valve abnormity alarm switch and a valve abnormity indicator light, wherein the valve abnormity alarm switch can turn on or off the valve alarm, and the valve abnormity indicator light is used for prompting the abnormal state of the valve.
When in use, 1-X target flow rate ranges, flow rate adjusting time and flow rate maintaining time can be preset, and M target flow rate ranges can be enabled. So that the valve control means performs an update of the target flow rate range from the first target flow rate range. This has the advantage that a suitable target flow rate range can be selected based on the actual valve accuracy. The process of setting the parameters of the valve control device is more convenient and flexible.
On the other hand, the embodiment of the invention also discloses a loading device, which comprises:
one or more processors;
storage means for storing one or more programs;
the flow rate sensor is used for acquiring the current flow rate of the valve; the actuating mechanism is used for controlling the opening of the adjusting valve;
when executed by one or more processors, cause the one or more processors to implement any of the valve control methods described above.
The loading equipment provided by the embodiment of the invention can execute the valve control method provided by any embodiment of the invention, and has corresponding beneficial effects of the execution method.
On the other hand, the embodiment of the invention also discloses computer equipment, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, any one of the valve control methods is realized.
Fig. 6 is a schematic structural diagram of a computer device according to an embodiment of the present invention, and fig. 6 shows a block diagram of an exemplary device/terminal 12 suitable for implementing an embodiment of the present invention. The device/terminal 12 shown in fig. 6 is only an example and should not bring any limitations to the functionality and scope of use of the embodiments of the present invention.
As shown in fig. 6, the device/terminal 12 is embodied in the form of a general purpose computing device. The components of device/terminal 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
Device/terminal 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by device/terminal 12 and includes both volatile and nonvolatile media, removable and non-removable media.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. The device/terminal 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 6, and commonly referred to as a "hard drive"). Although not shown in FIG. 6, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
Device/terminal 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), one or more devices that enable a user to interact with device/terminal 12, and/or any devices (e.g., network card, modem, etc.) that enable device/terminal 12 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 22. Also, the device/terminal 12 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet) via the network adapter 20. As shown, the network adapter 20 communicates with the other modules of the device/terminal 12 via the bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with device/terminal 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The processing unit 16 executes programs stored in the system memory 28 to perform various functional applications and data processing, such as implementing the valve control method provided by the embodiments of the present invention.
In another aspect, an embodiment of the present invention further discloses a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement any one of the above valve control methods.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A valve control method, comprising:
s1, acquiring the current flow rate of the valve;
s2, if the current flow rate is not within the target flow rate range, adjusting the opening degree of the valve;
s3, if the current flow rate after the opening degree is adjusted is not within the target flow rate range, adjusting the valve to the original opening degree, and returning to execute S1;
s4, if the opening degree adjustment times are equal to N and the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, updating the target flow speed range and returning to execute S1; until the current flow rate of the valve is in the updated target flow rate range;
wherein the target flow rate range before updating is within the target flow rate range after updating; n is a positive integer greater than 1.
2. The valve control method according to claim 1, further comprising:
s5, if the target flow speed range updating times are equal to M and the current flow speed after the target flow speed range is updated for the Mth time is not in the target flow speed range, performing valve abnormity alarm;
wherein M is a positive integer greater than 1.
3. The method of claim 1, wherein adjusting the opening of the valve if the current flow rate is not within the target flow rate range comprises:
if the current flow rate is smaller than the minimum value of the target flow rate range, increasing the opening degree of the valve;
and if the current flow rate is larger than the maximum value of the target flow rate range, reducing the opening degree of the valve.
4. The valve control method according to claim 1, wherein if the opening degree adjustment times are equal to N and the current flow rate after the nth adjustment of the opening degree is not within the target flow rate range, updating the target flow rate range comprises:
if the opening degree adjustment times are equal to N, the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, and the current flow speed after the opening degree is adjusted for the Nth time is smaller than the minimum value of the target flow speed range, reducing the minimum value of the target flow speed range and taking the reduced minimum value as an updated target flow speed range;
and if the opening degree adjustment times are equal to N, the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, and the current flow speed after the opening degree is adjusted for the Nth time is larger than the maximum value of the target flow speed range, increasing the maximum value of the target flow speed range and taking the increased maximum value as the updated target flow speed range.
5. The valve control method according to claim 1, wherein if the opening degree adjustment times are equal to N and the current flow rate after the nth adjustment of the opening degree is not within the target flow rate range, updating the target flow rate range comprises:
and if the opening degree adjustment times are equal to N and the current flow speed after the opening degree is adjusted for the Nth time is not in the target flow speed range, reducing the minimum value of the target flow speed range and increasing the maximum value of the target flow speed range to be used as the updated target flow speed range.
6. A valve control apparatus, comprising:
the current flow rate obtaining module is used for obtaining the current flow rate of the valve;
the opening adjusting module is used for adjusting the opening of the valve if the current flow rate is not within the target flow rate range;
the opening switching module is used for adjusting the valve to be an original opening if the current flow speed after the opening is adjusted is not within the target flow speed range, and instructing the current flow speed obtaining module to execute the operation of obtaining the current flow speed of the valve;
the target flow velocity range updating module is used for updating the target flow velocity range and indicating the current flow velocity obtaining module to execute the operation of obtaining the current flow velocity of the valve if the opening degree adjusting times are equal to N and the current flow velocity after the opening degree is adjusted for the Nth time is not in the target flow velocity range; until the current flow rate of the valve is in the updated target flow rate range;
wherein the target flow rate range before updating is within the target flow rate range after updating; n is a positive integer greater than 1.
7. The valve control device according to claim 4, further comprising a valve abnormality alarm module, configured to perform a valve abnormality alarm if the number of times of updating the target flow rate range is equal to M, and the current flow rate after the mth time of updating the target flow rate range is not within the target flow rate range, where M is a positive integer greater than 1.
8. The utility model provides a loading equipment which characterized in that, loading equipment includes:
one or more processors;
storage means for storing one or more programs;
the flow rate sensor is used for acquiring the current flow rate of the valve;
the actuating mechanism is used for controlling the opening of the adjusting valve;
when executed by the one or more processors, cause the one or more processors to implement the valve control method of any one of claims 1-5.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the program implements the valve control method of any one of claims 1 to 5.
10. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out a valve control method according to any one of claims 1-5.
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