CN114109792B - Method, device, equipment and storage medium for dynamically adjusting flow of air compressor - Google Patents
Method, device, equipment and storage medium for dynamically adjusting flow of air compressor Download PDFInfo
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- CN114109792B CN114109792B CN202010906481.8A CN202010906481A CN114109792B CN 114109792 B CN114109792 B CN 114109792B CN 202010906481 A CN202010906481 A CN 202010906481A CN 114109792 B CN114109792 B CN 114109792B
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- 238000012163 sequencing technique Methods 0.000 claims abstract description 11
- 238000004364 calculation method Methods 0.000 claims description 16
- 238000012937 correction Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 10
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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
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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Abstract
The application discloses a method, a device, equipment and a storage medium for dynamically adjusting the flow of an air compressor, wherein the method is characterized in that first operation parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period are obtained; calculating pipeline average parameters of a preset period according to the obtained pipeline parameters and the duration of the preset period; screening available power combinations of a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters; the total power of the air compressors of all the available power combinations is calculated; 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 operation parameters. The method for dynamically adjusting the flow of the air compressor disclosed by the application can acquire and analyze the pipeline parameters and the operation parameters of the air compressor, so that a user can process the air compressor correspondingly in time, and the energy consumption of the air compressor is reduced.
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 flow of an air compressor, 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 the compressed air and is used for different equipment. The normal operation of the air compression station is the guarantee of normal production operation of a production workshop, so the air compression station must ensure that equipment can run reliably for a long time, provide stable air supply pressure and meet the air consumption requirements of different loads of a production unit.
Because the gas amount and the time used by different equipment have certain difference, the flow required by different equipment can be changed continuously. In order to meet the changing demand flow, the air compression station generates a power frequency air compressor for compressed air, and the gas production amount is required to be continuously regulated through loading and unloading and starting and stopping, so that the pressure of the whole pipeline is ensured to be in a reasonable range. At present, the whole adjustment process is adjusted according to experience by monitoring personnel, and in the in-process of adjusting, can generally produce the unbalanced problem of demand and gas production through manual regulation, leads to pipeline pressure fluctuation, can appear the extravagant condition of two kinds of energy consumption:
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% each time 1bar is increased;
2. When the pressure of the pipeline rises, the power frequency air compressor is triggered to unload, and 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 to be solved in energy saving of the air compression station.
Disclosure of Invention
The embodiment of the application aims to provide a method, a device, computer equipment and a storage medium for dynamically adjusting the flow of an air compressor, which solve the problem that the existing flow adjustment scheme of the air compressor cannot realize the dynamic adjustment from the requirement to the flow.
In order to solve the technical problems described above, an embodiment of the present application provides a method for dynamically adjusting a flow rate of an air compressor, where the method for dynamically adjusting a flow rate of an air compressor is applied to a compressed air station, the compressed air station includes a plurality of air compressors, and output pipes of the plurality of air compressors are mutually communicated with a main pipe of the compressed air station, where the method for dynamically adjusting a flow rate of an air compressor includes the following steps:
Acquiring first operation parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period;
Calculating pipeline average parameters of a preset period according to the obtained pipeline parameters and the duration of the preset period;
screening available power combinations of a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters;
The total power of the air compressors of all the available power combinations is calculated;
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 operation parameters.
Optionally, the pipeline parameters include pipeline flow and pipeline pressure, and the pipeline average parameter of the preset period is calculated according to the obtained pipeline parameters and the duration of the preset period, which specifically includes:
And calculating the average pipeline flow of the preset period according to the obtained pipeline flow and the duration of the preset period.
Optionally, calculating the average pipeline flow of the preset period according to the obtained pipeline flow and the duration of the preset period, which specifically includes:
Acquiring initial flow and termination 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 ending flow and the duration of the preset period of the main pipeline.
Optionally, after obtaining the first operation parameters of the plurality of air compressors and the pipeline parameters 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;
And outputting early warning information if the pipeline pressure exceeds a preset pipeline pressure early warning value.
Optionally, the first operation parameters include 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 parameters of the plurality of air compressors in a preset period according to the pipeline average parameter, specifically including:
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 combinations;
comparing the average flow of the pipeline with the calculated total output flow of the air compressor combined by each group of output flows to obtain a comparison result;
and screening available power combinations of a plurality of air compressors according to the comparison result.
Optionally, after sorting the total power of the air compressors and outputting the second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors, 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 total power of the minimum air compressor;
and calculating an actual effective power correction value of the air compressor corresponding to the flow difference according to the flow difference.
Optionally, operating the plurality of air compressors in the compressed air station according to the second operation parameter specifically includes:
Parameters of a plurality of air compressors in the compressed air station are adjusted according to the second operation parameters and the actual effective power correction value of the air compressors;
and running a plurality of air compressors for completing parameter adjustment in the compressed air station.
In order to solve the technical problems, the embodiment of the application also provides a device for dynamically adjusting the flow of an air compressor, which is applied to a compressed air station, wherein the compressed air station comprises a plurality of air compressors, and output pipelines of the plurality of air compressors are mutually communicated with a main pipeline of the compressed air station, wherein the device for dynamically adjusting the flow of the air compressor in the embodiment of the application adopts the following technical scheme:
the parameter acquisition module is used for acquiring first operation 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 pipeline average 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 a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters;
the power calculation module is used for calculating the total power of the air compressors of all the available power combinations;
The power sequencing module is used for 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 the equipment restarting module is used for operating a plurality of air compressors in the compressed air station according to the second operation parameters.
In order to solve the above technical problems, the embodiment of the present application further provides a computer device, which adopts the following technical schemes:
A computer device comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the method for dynamically adjusting the flow of the air compressor when executing the computer program.
In order to solve the above technical problems, an embodiment of the present application further provides a computer readable storage medium, which adopts the following technical schemes:
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 the flow rate of an air compressor as described above.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
The application discloses a method, a device, equipment and a storage medium for dynamically adjusting the flow of an air compressor, which belong 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 pipeline average parameters of a preset period according to the obtained pipeline parameters and the duration of the preset period; screening available power combinations of a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters; the total power of the air compressors of all the available power combinations is calculated; 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 operation parameters. The method for dynamically adjusting the air compressor flow can acquire and analyze the pipeline parameters and the air compressor operation parameters, so that a user can process the air compressor correspondingly in time, 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, a brief description will be given below of the drawings required for the description of the embodiments of the present application, it being apparent that the drawings in the following description are some embodiments of the present application, and that other drawings may be obtained from these drawings without the exercise of inventive effort for a person of ordinary skill in the art.
Fig. 1 shows a flow chart of one embodiment of a method of dynamic adjustment of air compressor flow according to the present application;
FIG. 2 illustrates a flow chart of one embodiment of a duct average flow calculation in a method of dynamic adjustment of air compressor flow according to the present application;
FIG. 3 illustrates a flow chart of one embodiment of available power combination screening in a method of dynamic adjustment of air compressor flow in accordance with the present application;
FIG. 4 is a schematic view of an embodiment of an apparatus for dynamic flow adjustment of an air compressor in accordance with the present application;
FIG. 5 is a schematic structural diagram of one embodiment of a computer device in accordance with 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 applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases 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. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In order to make the person skilled in the art better understand the solution of the present application, the technical solution of the embodiment 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 dynamic adjustment of air compressor flow according to the present application is shown. 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 air compressors are mutually 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:
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 ammeter and a flowmeter 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, and then the edge gateway is transmitted to a site edge server, the edge server is used for processing related operation parameters and pipeline parameters, and the edge server obtains energy efficiency parameters (such as actual active power f, actual flow q and host frequency w) of each air compressor. If the air compressor is a constant frequency air compressor, the frequency f thereof is a fixed value, and if the air compressor is a variable frequency air compressor, the frequency f thereof is a variable value.
In a specific embodiment of the application, a flowmeter and a pressure transmitter are arranged in the main pipeline, and are communicated with a field edge server through an 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 pipeline average parameters of a preset period according to the obtained pipeline parameters and the duration of the preset period;
optionally, the pipeline parameters include pipeline flow Q and pipeline pressure P, and the calculating the pipeline average parameter of the preset period according to the obtained pipeline parameters and the duration of the preset period specifically includes:
And calculating the average pipeline flow of the preset period according to the obtained pipeline flow and the duration of the preset period.
Optionally, referring to fig. 2, fig. 2 shows a flowchart of an embodiment of calculating an average flow rate of a pipe in a method for dynamically adjusting a flow rate of an air compressor according to the present application, and calculating an average flow rate of a pipe in a preset period according to the obtained average flow rate of the pipe and a duration of the preset period specifically includes:
s201, acquiring initial flow and termination flow of a total pipeline in a preset period;
S202, calculating the average flow of the pipeline in the preset period according to the initial flow, the ending flow and the duration of the preset period of the total pipeline.
I.e. the period duration is set to be T (T > 0s, e.g. 1s, 5s, etc.), the edge server calculates the average flow rate of the pipeline in each period to be Q a,Qa = (Q for end-of-period monitoring-Q for initial monitoring)/T.
Optionally, after obtaining the first operation parameters of the plurality of air compressors and the pipeline parameters 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 upper and lower limit early warning values P max,Pmin of the total pipeline pressure;
And outputting early warning information if the pipeline pressure exceeds a preset pipeline pressure early warning value.
S103, screening available power combinations of a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters;
Optionally, referring to fig. 3, fig. 3 shows a flowchart of an embodiment of available power combination screening in a method for dynamically adjusting flow of air compressors according to the present application, where a first operation parameter includes an actual flow and an actual power of each air compressor, and the available power combination of a plurality of air compressors is screened according to a first operation parameter of a plurality of air compressors in a preset period of pipeline average parameters, and specifically includes:
S301, obtaining 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 combinations;
s303, comparing the average flow of the pipeline with the calculated total output flow of the air compressor combined by each group of output flows to obtain a comparison result;
s304, screening available power combinations of a plurality of air compressors according to the comparison result.
It should be noted that, due to different requirements at different times in the preset period, the total output flow of the air compressors at corresponding different times may also be different, and the operation parameters of the corresponding plurality of air compressors are different when the total output flow of the air compressors is different, so that a plurality of groups of first operation parameters may exist in the plurality of air compressors in the preset period, that is, there is an output flow combination.
In a specific embodiment of the present application, it is assumed that the compressed air station M includes n air compressor devices, M 1,m2,m3···mn respectively, and the actual output flow rate of a group of air compressors in a preset period is q 1,q2,q3···qn. And adding the actual output flow Q of the air compressor sequentially to obtain the total output flow Q' of the air compressor with the combination of the output flows. Calculating the total output flow Q 'of the air compressors of each group of output flow combinations according to the calculation mode, and passing the calculated total output flow Q' of the air compressors of each group of output flow combinations through the following conditions: q '> =qa, and Q' -min (Q 1,q2,q3···qn)<Qa screens available power combinations of a plurality of air compressors, wherein min (Q 1,q2,q3···qn) is output flow of the air compressor with the smallest actual output flow in the air compressors of the compressed air station M, Q '> =q a can ensure that the total output flow of the air compressor combination just meets the required average flow, and Q' -min (Q 1,q2,q3···qn)<Qa can ensure that the combined power of the air compressors is in a reasonable range, and reduce the energy consumption of the air compressors)
S104, calculating the total power of the air compressors combined by all the available powers;
S105, sorting 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;
specifically, the total power w=w 1'+w2'+w3'···wn' of the air compressors of all available power combinations is calculated, the calculated total power of the air compressors is sequenced, and the combination with the smallest total power W in each combination is selected 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 sorting the total power of the air compressors and outputting the second operation parameters of the plurality of air compressors corresponding to the minimum total power of the air compressors, 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 total power of the minimum air compressor, wherein the flow difference value delta Q=the total output flow Q' -the average flow Q of the pipeline of the air compressors;
And calculating an actual effective power correction value of the air compressor corresponding to the flow difference according to the flow difference, wherein the actual effective power correction value w n'＝ΔQ/qn*wn+(1-ΔQ/qn)*wn is 45%.
Optionally, operating the plurality of air compressors in the compressed air station according to the second operation parameter specifically includes:
Parameters of a plurality of air compressors in the compressed air station are adjusted according to the second operation parameters and the actual effective power correction value of the air compressors;
and running a plurality of air compressors for completing parameter adjustment in the compressed air station.
Specifically, firstly, setting compression parameters of a plurality of air compressors in a compressed air station according to the second operation parameters, then judging whether the plurality of air compressors comprise variable frequency air compressors or not,
If the plurality of air compressors comprise 1 or more variable-frequency air compressors, the variable-frequency air compressor with the maximum actual flow rate of Q max is selected for effective power correction and adjustment, specifically, whether Q max +/-delta Q is in the energy efficiency parameter Q of the variable-frequency air compressor with the maximum actual flow rate is judged, and if the variable-frequency air compressor is in the energy efficiency parameter Q, the actual effective power correction value of the air compressor is adjusted on the running power of the variable-frequency air compressor, namely, the actual demand flow rate is ensured to be met. If the variable frequency air compressors are not in the energy efficiency parameter q, outputting the actual flow according to each air compressor in sequence, judging according to the mode until the conditions are met, and if all the variable frequency air compressors do not meet the conditions, adjusting the air compressor with the minimum actual flow. If the combination is free of variable frequency air compressors, a fixed frequency air compressor with the minimum actual flow is selected for adjustment, and 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 loading time proportion is delta Q/Q n, and the unloading time proportion is 1-delta Q/Q n.
The application discloses a method, a device, equipment and a storage medium for dynamically adjusting the flow of an air compressor, which belong 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 pipeline average parameters of a preset period according to the obtained pipeline parameters and the duration of the preset period; screening available power combinations of a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters; the total power of the air compressors of all the available power combinations is calculated; 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 operation parameters. The method for dynamically adjusting the air compressor flow can acquire and analyze the pipeline parameters and the air compressor operation parameters, so that a user can process the air compressor correspondingly in time, the energy consumption of the air compressor is reduced, the monitoring cost is reduced, and the monitoring efficiency is improved.
In a specific embodiment of the application, taking an edge calculation control system of a certain air compression station as an example, 3 air compressors are arranged in the air compression station, wherein the air compressors are respectively a No. 1 power frequency screw machine 20m 3, a No. 2 power frequency screw machine 40m 3 and a No. 3 variable frequency screw machine 60m 3, and 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, and the actual flow and the actual power of the 3 air compressors in a preset period are measured, so that the following results are obtained:
1) The No. 1 power frequency screw machine has a loading flow of 20m 3 and a loading power of 140kW. The unloading flow is 0m 3 and the unloading power is 63kW.
2) The loading flow of the No. 2 power frequency screw machine is 40m 3, and the loading power is 260kW. The unloading flow is 0m 3 and the unloading power is 117kW.
3) The flow rate of the 3# variable-frequency screw machine at 100% frequency is 60m 3, and the corresponding power is 360kW. The other frequency bands are illustrated by selecting two: the flow rate at 70% frequency was 42m 3, corresponding to a power of 243kW. The flow rate at 40% frequency was 24m 3, corresponding to a power of 159kW.
And 3 air compressors are respectively provided with gateway nodes and are connected with the on-site edge servers, and the 3 air compressors are controlled by the edge servers.
And installing a flowmeter and a pressure transmitter in the main pipeline, installing a gateway node, communicating with an on-site edge server, monitoring the required flow (namely pipeline flow) and the pipeline pressure in real time, and setting the upper limit early warning value and the lower limit early warning value 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 2 permutation and combination modes meeting the flow demand are screened, wherein the power corresponding to the 2 modes is respectively as follows:
1) 100% frequency of the 1# power frequency air compressor is loaded by the 3# variable frequency air compressor, and the total power is 140+360=500 kW;
2) The 2# power frequency air compressor loads 66% frequency of the 3# variable frequency air compressor, and the total power is 260+238=498 kW;
and comparing the total power to obtain the optimal energy consumption corresponding to the mode 2, obtaining the operation parameters of the 3 air compressors in the mode, and setting the 1# power frequency air compressor, the 2# power frequency air compressor and the 3# variable frequency air compressor according to the parameters.
3 Air compressors were re-run in the next preset cycle: the system comprises a 1# power frequency air compressor, a 2# power frequency air compressor and a 3# variable frequency air compressor, wherein the monitoring total pipeline pressure is higher than a 7bar early warning value, the 1# power frequency air compressor is stopped, the gas consumption can be met through the scheme, the energy consumption of the air compressor is reduced, and the air compressor achieves the optimal energy efficiency.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored in a computer-readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. The storage medium may be a nonvolatile storage medium such as a magnetic disk, an optical disk, a Read-Only Memory (ROM), or a random access Memory (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, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the flowcharts of the figures may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily being sequential, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.
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 the flow rate of the air compressor according to the embodiment 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 mutually communicated with a main pipeline of the compressed air station, where the device for dynamically adjusting the flow rate of the air compressor according to the embodiment includes:
The parameter obtaining module 401 is configured to obtain first operation parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period;
a parameter calculation module 402, configured to calculate a pipeline average parameter of a 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 a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters;
The power calculation module 404 is configured to calculate the total power of the air compressors of all the obtained available power combinations;
The power sequencing module 405 is configured to sequence the total power of the air compressors, and output second operation parameters of a plurality of air compressors corresponding to the minimum total power of the air compressors;
The device restarting module 406 is configured to operate a plurality of air compressors in the compressed air station according to the second operation parameter.
Optionally, the pipeline parameters include pipeline flow and pipeline pressure, and the parameter calculation module 402 specifically includes:
and the parameter calculation unit is used for calculating the average pipeline flow 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 termination flow of the main pipeline in a preset period;
And the parameter calculation subunit is used for calculating the pipeline average flow in the preset period according to the initial flow, the ending flow and the duration of the preset period of the total pipeline.
Optionally, the device for dynamically adjusting the flow of the air compressor further comprises:
The early warning judging module is used for judging whether the pipeline pressure exceeds a preset pipeline pressure early warning value;
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 parameters include an actual flow and an actual power of each air compressor, and the power screening module 403 specifically includes:
The flow combination acquisition unit is used for acquiring all output flow combinations of the plurality of air compressors in a preset period;
The output flow calculating unit is used for calculating the total output flow of the air compressor of each group of output flow combinations;
The comparison unit is used for comparing the average flow of the pipeline with the calculated total output flow of the air compressor combined by each group of output flows 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 comprises:
The flow difference calculating unit is used for calculating flow difference 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 total power of the minimum air compressor;
And the correction power calculation unit is used for calculating the actual effective power correction value of the air compressor corresponding to the flow difference value according to the flow difference value.
Optionally, the device restart 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 parameters and the actual effective power correction value of the air compressors;
and running 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 compressed air station, and compressed air station includes a plurality of air compressors, and the output pipeline of a plurality of air compressors communicates each other with the main pipeline at compressed air station, and wherein, air compressor machine flow dynamic adjustment's device includes: the parameter obtaining module 401 is configured to obtain first operation parameters of a plurality of air compressors and pipeline parameters of a main pipeline in a preset period; a parameter calculation module 402, configured to calculate a pipeline average parameter of a 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 a plurality of air compressors according to first operation parameters of the plurality of air compressors in a preset period of pipeline average parameters; the power calculation module 404 is configured to calculate the total power of the air compressors of all the obtained available power combinations; the power sequencing module 405 is configured to sequence the total power of the air compressors, and output second operation parameters of a plurality of air compressors corresponding to the minimum total power of the air compressors; the device restarting module 406 is configured to operate a plurality of air compressors in the compressed air station according to the second operation parameter. The method for dynamically adjusting the air compressor flow can acquire and analyze the pipeline parameters and the air compressor operation parameters, so that a user can process the air compressor correspondingly in time, 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 problems, the embodiment of the application also provides computer equipment. Referring specifically to fig. 5, fig. 5 is a basic structural block diagram of a computer device according to the present embodiment.
The computer device 5 comprises a memory 51, a processor 52, a network interface 53 which are communicatively connected to each other via a system bus. It should be noted that only the computer device 5 with components 51-53 is shown in the figures, but it should be understood that not all of the illustrated components are required to be implemented and that more or fewer components may be implemented instead. It will be appreciated by those skilled in the art that the computer device herein is a device capable of automatically performing numerical calculation and/or information processing according to a preset or stored instruction, and its hardware includes, but is not limited to, a microprocessor, an Application SPECIFIC INTEGRATED Circuit (ASIC), a Programmable gate array (Field-Programmable GATE ARRAY, FPGA), a digital Processor (DIGITAL SIGNAL Processor, DSP), an embedded device, and the like.
The computer equipment can be a desktop computer, a notebook computer, a palm computer, a cloud server and other computing equipment. The computer equipment can perform man-machine interaction with a user through a keyboard, a mouse, a remote controller, a touch pad or voice control equipment and the like.
The memory 51 includes at least one type of readable storage medium including flash memory, hard disk, multimedia card, card memory (e.g., SD or DX memory, etc.), random Access Memory (RAM), static Random Access Memory (SRAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), programmable Read Only Memory (PROM), magnetic memory, magnetic disk, optical disk, etc. In some embodiments, the storage 51 may be an internal storage unit of the computer device 5, such as a hard disk or a memory of the computer device 5. In other embodiments, the memory 51 may also be an external storage device of the computer device 5, such as a plug-in hard disk, a smart memory card (SMART MEDIA CARD, SMC), a Secure Digital (SD) card, a flash memory card (FLASH CARD) or the like, which are provided on the computer device 5. Of course, the memory 51 may also comprise both an internal memory unit of the computer device 5 and an external memory device. In this embodiment, the memory 51 is generally used for storing an operating system and various application software installed in the computer device 5, such as a program code of a method for dynamically adjusting the flow rate of the air compressor. Further, the memory 51 may be used to temporarily store various types of data that have been output or are to be output.
The processor 52 may be a central processing unit (Central Processing Unit, CPU), controller, microcontroller, microprocessor, or other data processing chip in some embodiments. The processor 52 is typically used to control the overall operation of the computer device 5. In this embodiment, the processor 52 is configured to execute a program code stored in the memory 51 or process data, for example, a program code for executing a method for dynamically adjusting the flow rate of the air compressor.
The network interface 53 may comprise a wireless network interface or a wired network interface, which network interface 53 is typically used to establish communication connections between the computer device 5 and other electronic devices.
The present application also provides another embodiment, namely, a computer readable storage medium, where a program for dynamically adjusting the flow rate of an air compressor is stored, where the program for dynamically adjusting the flow rate of the air compressor can be executed by at least one processor, so that the at least one processor performs the steps of the method for dynamically adjusting the flow rate of the air compressor as described above.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present application.
It is apparent that the above-described embodiments are only some embodiments of the present application, but not all embodiments, and the preferred embodiments of the present application are shown in the drawings, which do not limit the scope of the patent claims. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the scope of the application.
Claims (10)
1. The method for dynamically adjusting the flow of the air compressor is characterized by being applied to a compressed air station, wherein the compressed air station comprises a plurality of air compressors, and output pipelines of the air compressors are mutually 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 operation parameters of a plurality of air compressors in a preset period and pipeline parameters of the main pipeline;
Calculating the pipeline average parameter of the preset period according to the obtained pipeline parameter and the duration of the preset period;
screening available power combinations of a plurality of air compressors according to first operation parameters of the air compressors in the preset period of the pipeline average parameter;
Calculating the total power of the air compressors of all the available 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 operation parameters.
2. The method for dynamically adjusting the flow rate of an air compressor according to claim 1, wherein the pipeline parameters include a pipeline flow rate and a pipeline pressure, and the calculating the pipeline average parameter of the preset period according to the obtained pipeline parameters and the duration of the preset period specifically includes:
And calculating the average pipeline flow of 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 pipe in the preset period according to the obtained flow rate of the pipe and the duration of the preset period specifically includes:
acquiring initial flow and ending 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, the ending flow and the duration of the preset period of the total pipeline.
4. The method for dynamically adjusting the flow rate of the air compressor according to claim 2, further comprising, after the obtaining the first operation parameters of the plurality of air compressors and the pipe parameters of the main pipe in the preset period:
judging whether the pipeline pressure exceeds a preset pipeline pressure early warning value;
and if the pipeline pressure exceeds a preset pipeline pressure early warning value, outputting early warning information.
5. The method for dynamically adjusting the flow rate of the air compressors according to claim 3, wherein the first operation parameters include an actual flow rate and an actual power of each air compressor, and the screening the available power combinations of the air compressors according to the first operation parameters of the air compressors with the pipeline average parameters within 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 combinations;
comparing the average flow of the pipeline with the calculated total output flow of the air compressor of each group of output flow combinations to obtain a comparison result;
and screening available power combinations of a plurality of air compressors according to the comparison result.
6. The method for dynamically adjusting flow rate of air compressors according to claim 5, further comprising, after said sorting said total power of air compressors and outputting second operation parameters of a plurality of said air compressors corresponding to a minimum total power of air compressors:
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 total power of the minimum air compressor;
and calculating an 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 the flow rate of air compressors according to claim 6, wherein said operating a plurality of said air compressors in said compressed air station according to said second operating parameter comprises:
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.
8. The utility model provides a device of air compressor machine flow dynamic adjustment, its characterized in that, the device of air compressor machine flow dynamic adjustment is applied to compressed air station, compressed air station includes a plurality of air compressors, a plurality of the output pipeline of air compressors with the main line at compressed air station communicates each other, wherein, the device of air compressor machine flow dynamic adjustment includes:
The parameter acquisition module is used for acquiring first operation parameters of the plurality of air compressors and pipeline parameters of the main pipeline in a preset period;
The parameter calculation module is used for calculating the pipeline average 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 a plurality of air compressors according to first operation parameters of the plurality of air compressors in the preset period of the pipeline average parameter;
the power calculation module is used for calculating the total power of all the available power combinations of the air compressors;
The power sequencing module is used for sequencing the total power of the air compressors and outputting a plurality of second operation parameters of the 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 parameters.
9. A computer device comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of the method for dynamically adjusting air compressor flow according to any one of claims 1 to 7 when the computer program is executed.
10. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, which when executed by a processor, implements the steps of the method for dynamically adjusting the flow rate of an air compressor according to any one of claims 1 to 7.
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| CN114635844B (en) * | 2022-05-20 | 2022-07-15 | 蘑菇物联技术（深圳）有限公司 | Method, apparatus and medium for controlling air compressor in air compression station |
| CN114645844B (en) * | 2022-05-23 | 2022-07-19 | 蘑菇物联技术（深圳）有限公司 | Method, computing device and computer medium for determining flow state of air compression station |
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