CN114109792A - Method, device and equipment for dynamically adjusting flow of air compressor and storage medium - Google Patents
Method, device and equipment for dynamically adjusting flow of air compressor and storage mediumDownload PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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Abstract
Description
Technical Field
The application belongs to the technical field of air compressor control, and particularly relates to a method and a device for dynamically adjusting air compressor flow, computer equipment and a storage medium.
Background
The air compression station is a station for supplying compressed gas to a production workshop, and the air compression station generates high-pressure gas meeting certain quality requirements through compressed air to be used by different equipment. The normal work of the air compression station is the guarantee of the normal production operation of a production workshop, therefore, the air compression station must ensure that equipment can run reliably for a long time, provide stable air supply pressure and meet the air supply requirements of different loads of production units.
Due to certain differences of the amount of gas used by different devices and time, the flow required by different devices may change continuously. In order to meet the changing demand flow, a power frequency air compressor of the air compression station for generating compressed air needs to continuously adjust the gas production rate by loading, unloading, starting and stopping, so that the pressure of the whole pipeline is ensured to be in a reasonable range. At present, whole accommodation process is adjusted by the monitoring personnel according to experience, and at the in-process of adjusting, can produce the unbalanced problem of demand and gas production through artifical manual regulation usually, leads to pipeline pressure fluctuation, can appear the extravagant condition of two kinds of energy consumptions:
1. when the demand is less than the gas production, the pressure of the whole pipeline is increased, and the energy consumption is increased by about 7% every time the pressure is increased by 1 bar;
2. when the pressure of the pipeline rises, the power frequency air compressor is triggered to unload, the unloading is idle, but the waste state of compressed gas is not generated, and the energy consumption is wasted by about 30% -50%.
Therefore, how to reasonably match the required flow and ensure the stable pressure of the pipeline is a problem that the energy conservation of the air compression station needs to be solved urgently.
Disclosure of Invention
An object of the embodiment of the present application is to provide a method and an apparatus for dynamically adjusting air compressor flow, a computer device, and a storage medium, which have solved a problem that an existing air compressor flow adjustment scheme cannot achieve dynamic adjustment from demand to flow.
In order to solve the technical problem, an embodiment of the present application provides a method for dynamically adjusting air compressor flow, where the method for dynamically adjusting air compressor flow is applied to a compressed air station, the compressed air station includes a plurality of air compressors, and output pipelines of the plurality of air compressors are communicated with a main pipeline of the compressed air station, and the method for dynamically adjusting air compressor flow includes that the method for dynamically adjusting air compressor flow provided by the embodiment of the present application adopts the following technical scheme:
acquiring first operating parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period;
calculating the average pipeline parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period;
screening available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors within a preset period of the average parameter of the pipeline;
calculating the total power of the air compressors of all the optional power combinations;
sequencing the total power of the air compressors, and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors;
and operating a plurality of air compressors in the compressed air station according to the second operating parameter.
Optionally, the pipeline parameters include a pipeline flow and a pipeline pressure, and the average pipeline parameter of the preset period is calculated according to the obtained pipeline parameters and the duration of the preset period, specifically including:
and calculating the average flow of the pipeline in the preset period according to the obtained pipeline flow and the duration of the preset period.
Optionally, calculating the average flow rate of the pipeline in the preset period according to the obtained flow rate of the pipeline and the duration of the preset period, specifically including:
acquiring initial flow and final flow of a main pipeline in a preset period;
and calculating the average flow of the pipeline in the preset period according to the initial flow, the final flow and the duration of the preset period of the main pipeline.
Optionally, after acquiring the first operating parameter of the plurality of air compressors and the pipeline parameter of the main pipeline in the preset period, the method further includes:
judging whether the pipeline pressure exceeds a preset pipeline pressure early warning value or not;
and if the pipeline pressure exceeds a preset pipeline pressure early warning value, outputting early warning information.
Optionally, the first operation parameter includes an actual flow and an actual power of each air compressor, and the available power combination of the plurality of air compressors is screened according to the first operation parameter of the plurality of air compressors of the average parameter of the pipeline in a preset period, which specifically includes:
acquiring all output flow combinations of a plurality of air compressors in a preset period;
calculating the total output flow of the air compressor of each group of output flow combination;
comparing the average flow of the pipeline with the total output flow of the air compressor combined by each group of output flows obtained by calculation to obtain a comparison result;
and screening available power combinations of the plurality of air compressors according to the comparison result.
Optionally, after the total power of the air compressors is sorted and the second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors are output, the method further includes:
calculating a flow difference value between the total output flows of the air compressors of the plurality of air compressors corresponding to the average flow of the pipeline and the total power of the minimum air compressor;
and calculating the actual effective power correction value of the air compressor corresponding to the flow difference value according to the flow difference value.
Optionally, operating a plurality of air compressors in the compressed air station according to the second operating parameter specifically includes, further includes:
adjusting parameters of a plurality of air compressors in the compressed air station according to the second operation parameters and the actual effective power correction value of the air compressors;
and operating a plurality of air compressors for completing parameter adjustment in the compressed air station.
In order to solve the technical problem, an embodiment of the present application further provides a device for dynamically adjusting air compressor flow, where the device for dynamically adjusting air compressor flow is applied to a compressed air station, the compressed air station includes a plurality of air compressors, output pipelines of the plurality of air compressors are communicated with a main pipeline of the compressed air station, and the device for dynamically adjusting air compressor flow in an embodiment of the present application adopts the following technical scheme:
the parameter acquisition module is used for acquiring first operating parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period;
the parameter calculation module is used for calculating the average pipeline parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period;
the power screening module is used for screening available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors within a preset period of the average parameter of the pipeline;
the power calculation module is used for calculating the total power of the air compressors of all the optional power combinations;
the power sequencing module is used for sequencing the total power of the air compressors and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors;
and the equipment restarting module is used for operating a plurality of air compressors in the compressed air station according to the second operation parameter.
In order to solve the above technical problem, an embodiment of the present application further provides a computer device, which adopts the following technical solutions:
the computer device comprises a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to realize the steps of the method for dynamically adjusting the air compressor flow.
In order to solve the above technical problem, an embodiment of the present application further provides a computer-readable storage medium, which adopts the following technical solutions:
a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the method for dynamically adjusting air compressor flow rate as described above.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the application discloses a method, a device, equipment and a storage medium for dynamically adjusting the flow of an air compressor, belonging to the technical field of air compressor control, wherein the method comprises the steps of obtaining first operation parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period; calculating the average pipeline parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period; screening available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors within a preset period of the average parameter of the pipeline; calculating the total power of the air compressors of all the optional power combinations; sequencing the total power of the air compressors, and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors; and operating a plurality of air compressors in the compressed air station according to the second operating parameter. The method for dynamically adjusting the flow of the air compressor can acquire and analyze the pipeline parameters and the running parameters of the air compressor, so that a user can timely perform corresponding processing on the air compressor, the energy consumption of the air compressor is reduced, the monitoring cost is reduced, and the monitoring efficiency is improved.
Drawings
In order to more clearly illustrate the solution of the present application, the drawings needed for describing the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 illustrates a flow diagram of one embodiment of a method of dynamic adjustment of air compressor flow according to the present application;
FIG. 2 is a flow chart illustrating one embodiment of a duct average flow calculation in a method of dynamic air compressor flow adjustment according to the present application;
FIG. 3 illustrates a flow diagram of one embodiment of available power combination filtering in a method of air compressor flow dynamic adjustment according to the present application;
fig. 4 is a schematic structural diagram of an embodiment of an apparatus for dynamically adjusting air compressor flow according to the present application;
FIG. 5 is a schematic block diagram of one embodiment of a computer device according to the present application.
Detailed Description
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 in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
With continued reference to fig. 1, a flow chart of one embodiment of a method of dynamically adjusting air compressor flow according to the present application is shown. The method for dynamically adjusting the flow of the air compressors is applied to a compressed air station, the compressed air station comprises a plurality of air compressors, output pipelines of the air compressors are communicated with a main pipeline of the compressed air station, and the method for dynamically adjusting the flow of the air compressors comprises the following steps:
s101, acquiring first operation parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period;
the method comprises the steps that an electric meter and a flow meter are installed at each air compressor, actual operation parameters (such as actual flow q, actual active power w and host frequency f) of each air compressor are transmitted to an edge gateway through an internet of things gateway, the edge gateway transmits the actual operation parameters to an on-site edge server, the edge server is used for processing relevant operation parameters and pipeline parameters, and the edge server obtains energy efficiency parameters (actual active power f, actual flow q and host frequency w) of each air compressor. It should be noted that, if the air compressor is a fixed-frequency air compressor, the frequency f is a fixed value, and if the air compressor is a variable-frequency air compressor, the frequency f is a variable value.
In the specific embodiment of the application, a flow meter and a pressure transmitter are installed in the main pipeline, and are communicated with the on-site edge server through the internet of things gateway, so that the pipeline flow Q of the main pipeline and the pipeline pressure P of the main pipeline are monitored in real time.
S102, calculating average pipeline parameters of a preset period according to the obtained pipeline parameters and the duration of the preset period;
optionally, the pipeline parameters include a pipeline flow Q and a pipeline pressure P, and the average pipeline parameter of the preset period is calculated according to the obtained pipeline parameters and the duration of the preset period, specifically including:
and calculating the average flow of the pipeline in the preset period according to the obtained pipeline flow and the duration of the preset period.
Optionally, referring to fig. 2, fig. 2 is a flowchart illustrating an embodiment of calculating an average flow rate of a pipeline in a method for dynamically adjusting an air compressor flow rate according to the present application, where calculating the average flow rate of the pipeline in a preset period according to an obtained pipeline flow rate and a duration of the preset period specifically includes:
s201, acquiring initial flow and final flow of a main pipeline in a preset period;
s202, calculating the average flow of the pipeline in the preset period according to the initial flow, the final flow and the duration of the preset period of the main pipeline.
Namely, setting the period duration as T (T > 0s, such as 1s, 5s, etc.), the edge server calculates the average flow rate of the pipeline in each period as Qa，QaQ at end-monitoring-Q at beginning-monitoring)/T.
Optionally, after acquiring the first operating parameter of the plurality of air compressors and the pipeline parameter of the main pipeline in the preset period, the method further includes:
judging whether the pipeline pressure exceeds a preset pipeline pressure early warning value, such as setting an upper and lower limit early warning value P of the total pipeline pressuremax，Pmin；
And if the pipeline pressure exceeds a preset pipeline pressure early warning value, outputting early warning information.
S103, screening available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors of the average pipeline parameter in a preset period;
optionally, referring to fig. 3, fig. 3 is a flowchart illustrating an embodiment of screening available power combinations in a method for dynamically adjusting air compressor flow according to the present application, where the first operation parameter includes an actual flow and an actual power of each air compressor, and the screening of the available power combinations of the air compressors according to the first operation parameter of the air compressors of the pipeline average parameter in a preset period specifically includes:
s301, acquiring all output flow combinations of a plurality of air compressors in a preset period;
s302, calculating the total output flow of the air compressor of each group of output flow combination;
s303, comparing the average flow of the pipeline with the total output flow of the air compressor combined by each group of output flows obtained by calculation to obtain a comparison result;
s304, screening available power combinations of the plurality of air compressors according to the comparison result.
It should be noted that, at different times in the preset period, due to different requirements, the total output flow of the air compressors at corresponding different times may be different, and if the total output flow of the air compressors is different, the operation parameters of the corresponding air compressors are different, so that multiple sets of first operation parameters may exist in the air compressors in the preset period, that is, there is an output flow combination.
In the specific embodiment of the present application, it is assumed that the number of the air compressor devices included in the compressed air station M is n, and M is respectively1，m2，m3···mnThe actual output flow of a group of air compressors in a preset period is q1，q2，q3···qn. And sequentially adding the actual output flow Q of the air compressor to obtain the total output flow Q' of the air compressor combined by the output flow. Calculating the total output flow Q 'of the air compressor of each group of output flow combination according to the calculation mode, and enabling the calculated total output flow Q' of the air compressor of each group of output flow combination to pass through the following conditions: q'>Q '— (Q) and Q' — min1，q2，q3···qn)<QaScreening available power combinations of a plurality of air compressors, wherein min (q)1，q2，q3···qn) Is the output flow, Q 'of the one of the compressors of the compressed air station M which has the smallest actual output flow'>＝QaAverage flow, Q' -min (Q min), which can ensure that the total output flow of the air compressor combination just meets the requirement1，q2，q3···qn)<QaThe combined power of the air compressor can be ensured to be in a reasonable range, and the energy consumption of the air compressor is reduced
S104, calculating the total power of the air compressors of all the optional power combinations;
s105, sequencing the total power of the air compressors, and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors;
specifically, the total power W of the air compressor combined by all the optional powers is calculated as W1’+w2’+w3’···wnAnd sorting the total power of the air compressors obtained by calculation, and selecting the combination with the minimum total power W in all the combinations as the optimal air compressor operation power combination.
And S106, operating a plurality of air compressors in the compressed air station according to the second operation parameters.
Optionally, after the total power of the air compressors is sorted and the second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors are output, the method further includes:
calculating a flow difference value between the average flow of the pipeline and the total output flow of the air compressors of the plurality of air compressors corresponding to the minimum total power of the air compressors, wherein the flow difference value delta Q is the total output flow Q' of the air compressors, namely the average flow Q of the pipeline;
calculating the actual effective power correction value of the air compressor corresponding to the flow difference value according to the flow difference value, wherein the actual effective power correction value w of the air compressor isn’＝ΔQ/qn*wn+(1-ΔQ/qn)*wn*45％。
Optionally, operating a plurality of air compressors in the compressed air station according to the second operating parameter specifically includes, further includes:
adjusting parameters of a plurality of air compressors in the compressed air station according to the second operation parameters and the actual effective power correction value of the air compressors;
and operating a plurality of air compressors for completing parameter adjustment in the compressed air station.
Specifically, the compression parameters of a plurality of air compressors in the compressed air station are set according to the second operation parameters, then whether the plurality of air compressors comprise a variable frequency air compressor or not is judged,
if the plurality of air compressors comprise 1 or more variable frequency air compressors, selecting the maximum q of the actual flowmaxThe variable frequency air compressor carries out effective power correction and regulation, specifically, q is judgedmaxWhether the +/-delta Q is within the energy efficiency parameter Q of the variable frequency air compressor with the maximum actual flow or not, and if the +/-delta Q is within the energy efficiency parameter Q, adjusting the actual effective power correction value of the air compressor on the operating power of the variable frequency air compressor, namely ensuring that the actual required flow is met. If the actual flow is not in the energy efficiency parameter q, the actual flow is output by each air compressor in sequence and judged according to the mode until the conditions are met, and if all the variable frequency air compressors do not meet the conditions, the air compressor with the minimum actual flow is adjusted. If the combination has no variable frequency air compressor, the fixed frequency air compressor with the minimum actual flow is selected for regulation, at the moment, the fixed frequency air compressor can be unloaded in a part of time and loaded in a part of time, wherein the proportion of the loading time is delta Q/QnThe unloading time ratio is 1-delta Q/Qn。
The application discloses a method, a device, equipment and a storage medium for dynamically adjusting the flow of an air compressor, belonging to the technical field of air compressor control, wherein the method comprises the steps of obtaining first operation parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period; calculating the average pipeline parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period; screening available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors within a preset period of the average parameter of the pipeline; calculating the total power of the air compressors of all the optional power combinations; sequencing the total power of the air compressors, and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors; and operating a plurality of air compressors in the compressed air station according to the second operating parameter. The method for dynamically adjusting the flow of the air compressor can acquire and analyze the pipeline parameters and the running parameters of the air compressor, so that a user can timely perform corresponding processing on the air compressor, the energy consumption of the air compressor is reduced, the monitoring cost is reduced, and the monitoring efficiency is improved.
In the specific embodiment of the application, taking an edge calculation control system of a certain air compression station as an example, 3 air compressors, which are respectively 20m # power frequency screw machines 1, are arranged in the air compression station340m for 2# industrial frequency screw machine360m 3# variable frequency screw machine3Wherein, the frequency range of the variable frequency screw machine is 40-100%.
Firstly, an ammeter and a flowmeter are respectively installed on 3 air compressors, the actual flow and the actual power of the 3 air compressors in a preset period are measured, and the result is as follows:
1)1# power frequency screw machine with loading flow of 20m3The loading power is 140 kW. The unloading flow is 0m3The discharge power was 63 kW.
2)2# Power frequency screw machine with loading flow of 40m3The loading power is 260 kW. The unloading flow is 0m3The discharge power was 117 kW.
3)3# variable frequency screw machine, the flow rate is 60m at 100% frequency3The corresponding power is 360 kW. The other frequency bands are selected for illustration: flow rate at 70% frequency of 42m3The corresponding power is 243 kW. Flow rate at 40% frequency is 24m3The corresponding power is 159 kW.
And the 3 air compressors are respectively provided with gateway nodes and connected with the on-site edge server, and the 3 air compressors are controlled by the edge server.
The method comprises the steps of installing a flowmeter and a pressure transmitter in a main pipeline, installing a gateway node, communicating with an on-site edge server, monitoring required flow (namely pipeline flow) and pipeline pressure in real time, and setting upper and lower limit early warning values of the main pipeline pressure to be 6bar and 7bar respectively.
Assuming that the preset period duration is 10min, the edge server calculates the average flow of the pipeline to be 80m3 in the period, and there are 2 permutation and combination modes satisfying the flow requirement by screening, and the powers corresponding to the 2 modes are respectively:
1) the 1# power frequency air compressor loads the 3# variable frequency air compressor with 100% frequency, and the total power is 140+360 to 500 kW;
2) the 2# power frequency air compressor loads and the 3# variable frequency air compressor has 66% of frequency, and the total power is 260+ 238-498 kW;
through comparing the total power, the energy consumption corresponding to the mode 2 is optimal, the operation parameters of the 3 air compressors in the mode are obtained, and the 1# power frequency air compressor, the 2# power frequency air compressor and the 3# variable frequency air compressor are set according to the parameters.
And 3 air compressors are operated again in the next preset period: 1# power frequency air compressor machine, 2# power frequency air compressor machine, 3# variable frequency air compressor machine owing to monitor total pipeline pressure and be higher than 7bar early warning value, shut down 1# power frequency air compressor machine, can not only realize satisfying the gas demand through above-mentioned scheme to reduce the air compressor machine energy consumption, make the air compressor machine reach the efficiency optimum.
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 a computer program, which can be stored in a computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the computer program is executed. The storage medium may be a non-volatile storage medium such as a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a Random Access Memory (RAM).
It should be understood that, although the steps in the flowcharts of the figures 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 may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
With further reference to fig. 4, as an implementation of the method shown in fig. 2, the present application provides an embodiment of an apparatus for dynamically adjusting a flow rate of an air compressor, where the embodiment of the apparatus corresponds to the embodiment of the method shown in fig. 1, and the apparatus may be specifically applied to various electronic devices.
As shown in fig. 4, the device for dynamically adjusting air compressor flow according to this embodiment is applied to a compressed air station, where the compressed air station includes a plurality of air compressors, and output pipelines of the plurality of air compressors are communicated with a main pipeline of the compressed air station, where the device for dynamically adjusting air compressor flow according to this embodiment includes:
theparameter acquiring module 401 is configured to acquire first operating parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period;
aparameter calculating module 402, configured to calculate an average parameter of the pipeline in the preset period according to the obtained pipeline parameter and a duration of the preset period;
thepower screening module 403 is configured to screen available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors within a preset period of the average parameter of the pipeline;
apower calculating module 404, configured to calculate total power of the air compressors of all the available power combinations;
thepower sequencing module 405 is used for sequencing the total power of the air compressors and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors;
and theequipment restarting module 406 is used for operating a plurality of air compressors in the compressed air station according to the second operation parameter.
Optionally, the pipeline parameters include a pipeline flow and a pipeline pressure, and theparameter calculation module 402 specifically includes:
and the parameter calculation unit is used for calculating the average flow of the pipeline in the preset period according to the obtained pipeline flow and the duration of the preset period.
Optionally, the parameter calculating unit specifically includes:
the parameter acquisition subunit is used for acquiring the initial flow and the final flow of the main pipeline in a preset period;
and the parameter calculating subunit is used for calculating the average flow of the pipeline in the preset period according to the initial flow, the final flow and the duration of the preset period of the main pipeline.
Optionally, the device for dynamically adjusting the flow of the air compressor further includes:
the early warning judgment module is used for judging whether the pipeline pressure exceeds a preset pipeline pressure early warning value or not;
and the early warning module is used for outputting early warning information if the pipeline pressure exceeds a preset pipeline pressure early warning value.
Optionally, the first operation parameter includes an actual flow and an actual power of each air compressor, and thepower screening module 403 specifically includes:
the flow combination obtaining unit is used for obtaining all output flow combinations of the plurality of air compressors in a preset period;
the output flow calculation unit is used for calculating the total output flow of the air compressor of each group of output flow combination;
the comparison unit is used for comparing the average flow of the pipeline with the total output flow of the air compressor combined by each group of output flows obtained through calculation to obtain a comparison result;
and the screening unit is used for screening available power combinations of the plurality of air compressors according to the comparison result.
Optionally, the device for dynamically adjusting the flow of the air compressor further includes:
the flow difference value calculating unit is used for calculating the flow difference value between the total output flows of the air compressors of the plurality of air compressors corresponding to the average flow of the pipeline and the total power of the minimum air compressor;
and the corrected power calculation unit is used for calculating the actual effective power corrected value of the air compressor corresponding to the flow difference value according to the flow difference value.
Optionally, thedevice reboot module 406 further includes:
the equipment restarting unit is used for adjusting parameters of a plurality of air compressors in the compressed air station according to the second operation parameter and the actual effective power corrected value of the air compressor;
and operating a plurality of air compressors for completing parameter adjustment in the compressed air station.
The utility model provides an air compressor machine flow dynamic adjustment's device, air compressor machine flow dynamic adjustment's device is applied to the compressed air station, and the compressed air station includes a plurality of air compressors, and the output pipeline of a plurality of air compressors communicates with the main pipeline in compressed air station each other, and wherein, air compressor machine flow dynamic adjustment's device includes: the parameter acquiring module 401 is configured to acquire first operating parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period; a parameter calculating module 402, configured to calculate an average parameter of the pipeline in the preset period according to the obtained pipeline parameter and a duration of the preset period; the power screening module 403 is configured to screen available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors within a preset period of the average parameter of the pipeline; a power calculating module 404, configured to calculate total power of the air compressors of all the available power combinations; the power sequencing module 405 is used for sequencing the total power of the air compressors and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors; and the equipment restarting module 406 is used for operating a plurality of air compressors in the compressed air station according to the second operation parameter. The method for dynamically adjusting the flow of the air compressor can acquire and analyze the pipeline parameters and the running parameters of the air compressor, so that a user can timely perform corresponding processing on the air compressor, the energy consumption of the air compressor is reduced, the monitoring cost is reduced, and the monitoring efficiency is improved.
In order to solve the technical problem, an embodiment of the present application further provides a computer device. Referring to fig. 5, fig. 5 is a block diagram of a basic structure of a computer device according to the present embodiment.
Thecomputer device 5 comprises amemory 51, aprocessor 52, anetwork interface 53 communicatively connected to each other via a system bus. It is noted that only acomputer device 5 having components 51-53 is shown, but it is understood that not all of the shown components are required to be implemented, and that more or fewer components may be implemented instead. As will be understood by those skilled in the art, the computer device is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and the hardware includes, but is not limited to, a microprocessor, an Application Specific Integrated Circuit (ASIC), a Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an embedded device, and the like.
The computer device can be a desktop computer, a notebook, a palm computer, a cloud server and other computing devices. The computer equipment can carry out man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch panel or voice control equipment and the like.
Thememory 51 includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a Read Only Memory (ROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a Programmable Read Only Memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc. In some embodiments, thememory 51 may be an internal storage unit of thecomputer device 5, such as a hard disk or a memory of thecomputer device 5. In other embodiments, thememory 51 may also be an external storage device of thecomputer device 5, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on thecomputer device 5. Of course, thememory 51 may also comprise both an internal storage unit of thecomputer device 5 and an external storage device thereof. In this embodiment, thememory 51 is generally used for storing an operating system installed in thecomputer device 5 and various application software, such as program codes of a method for dynamically adjusting air compressor flow. Further, thememory 51 may also be used to temporarily store various types of data that have been output or are to be output.
Theprocessor 52 may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip in some embodiments. Theprocessor 52 is typically used to control the overall operation of thecomputer device 5. In this embodiment, theprocessor 52 is configured to run a program code stored in thememory 51 or process data, for example, a program code for running a method for dynamically adjusting the air compressor flow.
Thenetwork interface 53 may comprise a wireless network interface or a wired network interface, and thenetwork interface 53 is generally used for establishing communication connections between thecomputer device 5 and other electronic devices.
The present application further provides another embodiment, which is to provide a computer-readable storage medium, where a program for dynamically adjusting air compressor flow is stored, and the program is executable by at least one processor, so that the at least one processor performs the steps of the method for dynamically adjusting air compressor flow as described above.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present application.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. The method for dynamically adjusting the flow of the air compressor is applied to a compressed air station, the compressed air station comprises a plurality of air compressors, output pipelines of the plurality of air compressors are communicated with a main pipeline of the compressed air station, and the method for dynamically adjusting the flow of the air compressor comprises the following steps:
acquiring first operating parameters of a plurality of air compressors and pipeline parameters of the main pipeline in a preset period;
calculating the average pipeline parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period;
screening available power combinations of the air compressors according to first operation parameters of the air compressors of the pipeline average parameters in the preset period;
calculating the total power of the air compressors of all the selectable power combinations;
sequencing the total power of the air compressors, and outputting second operation parameters of a plurality of air compressors corresponding to the minimum total power of the air compressors;
and operating a plurality of air compressors in the compressed air station according to the second operating parameter.
2. The method for dynamically adjusting the flow rate of the air compressor according to claim 1, wherein the pipeline parameters include a pipeline flow rate and a pipeline pressure, and the calculating the average pipeline parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period specifically includes:
and calculating the average flow of the pipeline in the preset period according to the obtained pipeline flow and the duration of the preset period.
3. The method for dynamically adjusting the flow rate of the air compressor according to claim 2, wherein the calculating the average flow rate of the pipeline in the preset period according to the obtained flow rate of the pipeline and the duration of the preset period specifically comprises:
acquiring initial flow and final flow of the main pipeline in the preset period;
and calculating the average flow of the pipeline in the preset period according to the initial flow and the final flow of the main pipeline and the duration of the preset period.
4. The method for dynamically adjusting air compressor flow according to claim 2, wherein after obtaining the first operating parameters of the plurality of air compressors and the duct parameters of the main duct within the preset period, the method further comprises:
judging whether the pipeline pressure exceeds a preset pipeline pressure early warning value or not;
and if the pipeline pressure exceeds a preset pipeline pressure early warning value, outputting early warning information.
5. The method according to claim 3, wherein the first operation parameters include an actual flow and an actual power of each air compressor, and the screening of the available power combinations of the air compressors according to the first operation parameters of the plurality of air compressors of the duct average parameter in the preset period specifically includes:
acquiring all output flow combinations of a plurality of air compressors in the preset period;
calculating the total output flow of the air compressor of each group of output flow combination;
comparing the average flow of the pipeline with the total output flow of the air compressor of each group of output flow combination obtained by calculation to obtain a comparison result;
and screening available power combinations of the plurality of air compressors according to the comparison result.
6. The method for dynamically adjusting air compressor flow according to claim 5, wherein after the steps of sequencing the total power of the air compressors and outputting the second operating parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors are performed, the method further comprises:
calculating a flow difference value between the average flow of the pipelines and the total output flow of the air compressors of the plurality of air compressors corresponding to the minimum total power of the air compressors;
and calculating the actual effective power correction value of the air compressor corresponding to the flow difference value according to the flow difference value.
7. The method for dynamically adjusting air compressor flow according to claim 6, wherein operating the plurality of air compressors in the compressed air station according to the second operating parameter specifically comprises:
adjusting parameters of a plurality of air compressors in the compressed air station according to the second operation parameters and the corrected values of the actual effective powers of the air compressors;
and operating the plurality of air compressors which finish parameter adjustment in the compressed air station.
8. The utility model provides a device of air compressor machine flow dynamic adjustment, its characterized in that, device of air compressor machine flow dynamic adjustment is applied to the compressed air station, the compressed air station includes a plurality of air compressors, a plurality of the output pipeline of air compressor machine with the main pipeline of compressed air station communicates each other, wherein, device of air compressor machine flow dynamic adjustment includes:
the parameter acquisition module is used for acquiring first operating parameters of a plurality of air compressors and pipeline parameters of the main pipeline in a preset period;
the parameter calculation module is used for calculating the average pipeline parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period;
the power screening module is used for screening available power combinations of the plurality of air compressors according to first operation parameters of the plurality of air compressors within the preset period of the pipeline average parameter;
the power calculation module is used for calculating the total power of the air compressors of all the optional power combinations;
the power sequencing module is used for sequencing the total power of the air compressors and outputting second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors;
and the equipment restarting module is used for operating the plurality of air compressors in the compressed air station according to the second operating parameter.
9. Computer device, characterized in that it comprises a memory and a processor, wherein said memory stores a computer program, and said processor executes said computer program to implement the steps of the method for dynamic adjustment of air compressor flow according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a computer program which, when being executed by a processor, implements the steps of the method for dynamic adjustment of air compressor flow according to any one of claims 1 to 7.
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| CN114109792B (en) | 2024-05-07 |
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