Method of adjusting a vane valve

Abstract

The embodiment of the invention provides a guide vane valve adjusting method which comprises the steps that the average power of all engines on N pipelines within the preset duration is obtained, N average powers are obtained, N is an integer larger than 1, each pipeline is provided with an engine and a plurality of compressors, the engines are used for providing kinetic energy for the compressors, and N is an integer larger than 1; the compressor is used for compressing air into the underground salt cavern; and the opening degree of a guide vane valve on each pipeline is determined according to the N average powers, the guide vane valves are arranged between the underground salt cavern and the compressor, and the larger the opening degree of the guide vane valves is, the more air is compressed into the underground salt cavern within the preset duration. By means of the method and device, the problem that loads among different pipeline compressor units are unbalanced due to the fact that the air flows in the pipelines are different in the prior art is solved, and then the effect that the loads among all the compressor units are kept balanced during normal operation is achieved.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of electrical technology, and in particular to a method for adjusting a guide vane valve. Background Art

[0002] In Compressed Air Energy Storage (CAES) applications, there are usually two pipelines operating in parallel to compress air into underground salt caverns. For each pipeline, the rated power of the motor is certain, and the motor speed is also fixed, such as 1500rpm.

[0003] In actual applications, the air flow in each pipeline may be different, which makes the load of the compressors on different pipelines different, resulting in unbalanced load of the compressors in CASE applications, affecting the service life and fatigue impact of the compressors. Therefore, how to keep the load of the compressor balanced during normal operation is a key issue.

[0004] There is currently no effective solution to the above problems. Summary of the invention

[0005] An embodiment of the present application provides a method for adjusting a guide vane valve to at least solve the problem of load imbalance between compressor units in different pipelines caused by different air flow rates inside the pipelines in the related art.

[0006] According to one embodiment of the present application, a method for adjusting a guide vane valve is provided, comprising: obtaining the average power of each motor on N pipelines within a preset time length to obtain N average powers, wherein N is an integer greater than 1, and each of the pipelines is provided with the motor and a plurality of compressors, the motor is used to provide kinetic energy to the compressor, and the compressor is used to compress air into an underground salt cavern chamber; adjusting the opening of the guide vane valve on each pipeline according to the N average powers, wherein the guide vane valve is provided between the underground salt cavern chamber and the compressor, and the larger the opening of the guide vane valve, the more air is compressed into the underground salt cavern chamber within the preset time length.

[0007] In an exemplary embodiment, the opening of the guide vane valve on each pipeline is determined based on the N average powers, including: determining the average of the N average powers as the target average power; and adjusting the opening of the guide vane valve on each pipeline based on the relationship between the N average powers and the target average power.

[0008] In an exemplary embodiment, the opening of the guide vane valve on each pipeline is adjusted according to the relationship between the N average powers and the target average power, including: determining the difference between the average power of the currently executed operation and the target average power as the current average power difference, wherein the average power of the currently executed operation is the average power of the motor on the current pipeline within the preset time length, and the average power of the currently executed operation is any average power among the N average powers; and adjusting the opening of the guide vane valve on the current pipeline according to the current average power difference.

[0009] In an exemplary embodiment, the opening of the guide vane valve on the current pipeline is adjusted according to the current average power difference, including: when the current average power difference is less than or equal to a preset threshold, determining the opening of the guide vane valve on the current pipeline as the current opening; when the current average power difference is greater than the preset threshold, adjusting the opening of the guide vane valve on the current pipeline.

[0010] In an exemplary embodiment, when the current average power difference is greater than the preset threshold, the opening of the guide vane valve on the current pipeline is adjusted, including: obtaining the average movement length of the pressure head of the compressor on the current pipeline within the preset time length, wherein the greater the average power of the motor on the current pipeline, the greater the average movement length; determining the target regulation flow on the current pipeline according to the average movement length and the current average power difference; determining the target regulation opening according to the target regulation flow, and adjusting the opening of the guide vane valve on the current pipeline according to the target regulation opening.

[0011] In an exemplary embodiment, the opening of the guide vane valve on the current pipeline is adjusted according to the target adjustment opening, including: when the current average power is greater than the target average power, reducing the current opening of the guide vane valve by the target adjustment opening; when the current average power is less than the target average power, increasing the current opening of the guide vane valve by the target adjustment opening.

[0012] In an exemplary embodiment, the target regulated flow rate of compressed air on the current pipeline is determined based on the average moving length and the current average power difference, including: determining the product of the average moving length, the operating efficiency of the compressor on the current pipeline and a preset value as a target product value, wherein the operating efficiency of each of the compressors on the current pipeline is equal; and determining the ratio of the current average power difference to the target product value as the target regulated flow rate of compressed air on the current pipeline.

[0013] In an exemplary embodiment, determining the target regulating opening by the target regulating flow rate includes: determining the target regulating opening by the following formula:

[0014] Among them, Q is the target adjustment flow, C is the flow coefficient, A is the target adjustment opening, g is the gravitational acceleration, and H is the average moving length.

[0015] According to another embodiment of the present application, a device for adjusting a guide vane valve is provided, comprising: an acquisition module, used to acquire the average power of each motor on N pipelines within a preset time length, to obtain N average powers, wherein N is an integer greater than 1, and each of the pipelines is provided with the motor and a plurality of compressors, the motor is used to provide kinetic energy to the compressor, and the compressor is used to compress air into an underground salt cavern chamber; an adjustment module, used to adjust the opening of the guide vane valve on each pipeline according to the N average powers, wherein the guide vane valve is provided between the underground salt cavern chamber and the compressor, and the larger the opening of the guide vane valve, the more air is compressed into the underground salt cavern chamber within the preset time length.

[0016] According to another embodiment of the present application, a computer-readable storage medium is provided, in which a computer program is stored. When the computer program is executed by a processor, the steps of any of the methods described above are implemented.

[0017] According to another embodiment of the present application, an electronic device is provided, including a memory and a processor, wherein the memory stores a computer program, and the processor is configured to run the computer program to execute the steps in any one of the above method embodiments.

[0018] According to another embodiment of the present application, a computer program product is provided, including a computer program, and when the computer program is executed by a processor, the steps of any of the methods described above are implemented.

[0019] Through this application, since the opening of the guide vane valve on each pipeline is adjusted according to the average power of the motor on each pipeline within a preset time, the flow of air in the pipeline can be controlled, thereby balancing the load between different pipeline compressor units without human intervention, ensuring that each compressor unit can operate in the best working state, and improving the overall efficiency and reliability of the system. Therefore, the problem of unbalanced load between different pipeline compressor units caused by different air flow rates inside the pipeline in the related technology can be solved, and the effect of maintaining load balance between various compressor units during normal operation can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 is a schematic structural diagram of a compressed air energy storage application according to an embodiment of the present application;

[0022] Figure 2 is a hardware structure block diagram of a mobile terminal for a method for adjusting a guide vane valve according to an embodiment of the present application;

[0023] Figure 3 is a flow chart of a method for adjusting a guide vane valve according to an embodiment of the present application;

[0024] Figure 4 is a schematic diagram of motor power according to an embodiment of the present application;

[0025] Figure 5 is a logic diagram of a threshold comparison unit according to an embodiment of the present application;

[0026] Figure 6 is a specific logic diagram of adjusting the guide vane valve according to an embodiment of the present application;

[0027] Figure 7 It is a structural block diagram of a device for adjusting a guide vane valve according to an embodiment of the present application. DETAILED DESCRIPTION

[0028] Compressed Air Energy Storage (CAES) is a sustainable energy storage technology that compresses air and stores it in a tank, then releases the air when needed and converts the compressed air into electricity through an air engine or turbine generator. Figure 1 is a schematic diagram of the structure of the compressed air energy storage application according to an embodiment of the present application, such as Figure 1 As shown, in the CAES application, there are N parallel-operated pipelines 1 for compressing air into the underground salt cavern 16. Each pipeline includes a motor 11, a compressor unit (including multiple compressors 12), an air circulation pipeline 13, a guide vane valve 14, etc. In normal operation, the motor 11 drives the compressor unit to pass the air in the air circulation pipeline 13 through the guide vane valve 14, converge in the air collection area 15, and finally compress it into the underground salt cavern 16. It should be noted that, in general, two pipelines are operated in parallel in CAES applications.

[0029] Compressor load balancing is very important for machine service life and fatigue impact, and it helps customers save costs to a certain extent. However, in actual CAES applications, the air flow in each pipeline may be different, which makes the loads of compressors on different pipelines may not be the same, resulting in unbalanced compressor loads in CASE applications. At present, the method of balancing the compressor pipeline load is mainly based on manual settings based on UCP (Unified Communication Platform). Since it cannot be automatic, some pipelines may be overloaded, resulting in waste of resources and energy. At the same time, manual settings also increase workload and time costs, and even errors may occur, resulting in unbalanced pipeline loads and affecting production efficiency.

[0030] In summary, the present application proposes a method for adjusting a guide vane valve, which automatically adjusts the guide vane valve opening by the power of an electric motor, thereby keeping the air flow on each pipeline consistent and ensuring load balance between compressor units on different pipelines.

[0031] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or modules or units is not necessarily limited to those steps or modules or units clearly listed, but may include other steps or modules or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] The method embodiments provided in the embodiments of the present application can be executed in a mobile terminal, a computer terminal or a similar computing device. Taking running on a mobile terminal as an example, Figure 2 1 is a hardware structure block diagram of a mobile terminal for a method of adjusting a guide vane valve according to an embodiment of the present application. Figure 2 As shown, the mobile terminal may include one or more ( Figure 2Only one is shown in the figure) a processor 202 (the processor 202 may include but is not limited to a processing device such as a microprocessor MCU or a programmable logic device FPGA) and a memory 204 for storing data, wherein the mobile terminal may also include a transmission device 206 and an input / output device 208 for communication functions. It can be understood by those skilled in the art that Figure 2 The structure shown is only for illustration and does not limit the structure of the mobile terminal. Figure 2 More or fewer components as shown, or with Figure 2 Different configurations are shown.

[0034] The memory 204 can be used to store computer programs, for example, software programs and modules of application software, such as the computer program corresponding to the method for adjusting the guide vane valve in the embodiment of the present invention. The processor 202 executes various functional applications and data processing by running the computer program stored in the memory 204, that is, to implement the above method. The memory 204 may include a high-speed random access memory, and may also include a non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 204 may further include a memory remotely arranged relative to the processor 202, and these remote memories may be connected to the mobile terminal via a network. Examples of the above network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0035] The transmission device 206 is used to receive or send data via a network. The specific example of the above network may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 206 includes a network adapter (Network Interface Controller, referred to as NIC), which can be connected to other network devices through a base station so as to communicate with the Internet. In one example, the transmission device 206 can be a radio frequency (RF) module, which is used to communicate with the Internet wirelessly.

[0036] In this embodiment, a method for adjusting a guide vane valve running on the mobile terminal is provided. Figure 3 is a flow chart of a method for adjusting a guide vane valve according to an embodiment of the present application, such as Figure 3 As shown, the process includes the following steps:

[0037] Step S302, obtaining the average power of each motor on N pipelines within a preset time length, and obtaining N average powers, wherein N is an integer greater than 1, and each pipeline is provided with the motor and a plurality of compressors, the motor is used to provide kinetic energy to the compressor, and the compressor is used to compress air into the underground salt cavern;

[0038] The above-mentioned preset duration can be a duration set according to actual conditions, such as 1 minute, 2 minutes, 3 minutes, etc.; the above-mentioned average power can be the average value of the power provided by the motor within the preset duration, and the average value can be obtained by a moving / sliding average function.

[0039] Specifically, Figure 4 The figure shows the motor power obtained in the historical time, where the horizontal axis represents time in seconds (s), and the vertical axis represents power / load in kilowatts (kW). On the basis of obtaining the real-time power (L1) of the motor, the average power (L2) of the motor within the preset time can be obtained through the sliding average function, where the preset time is generally 3 minutes. Obtaining the power of the motor through the moving / sliding average function can help monitor the power change trend of the motor so that it can be quickly adjusted according to the changes in the motor. At the same time, the power data is smoothed and the filtering function is performed to eliminate the power supply noise, making it easier to observe the overall trend of the power change.

[0040] Step S304, adjusting the opening of the guide vane valve on each pipeline according to the N average powers, wherein the guide vane valve is arranged between the underground salt cavern chamber and the compressor, and the larger the opening of the guide vane valve is, the more air is compressed into the underground salt cavern chamber within the preset time.

[0041] The above-mentioned guide vane valve can be used to adjust the flow rate of air in each pipeline, wherein, the larger the opening of the guide vane valve, the greater the air flow rate circulating in the pipeline within a preset time, and the more air is compressed into the underground salt cavern; the opening of the guide vane valve is adjusted according to the average power on each pipeline to control the flow rate of air in the pipeline, and the load between the compressor units of different pipelines can be balanced without human intervention, ensuring that each compressor unit can operate in the best working condition, avoiding overload and damage caused by excessive load of a certain compressor unit, and automatically realizing load balancing and sharing (sharing), thereby improving the efficiency and stability of the entire system.

[0042] Specifically, the average of the N average powers is determined as the target average power; and the opening of the guide vane valve on each pipeline is adjusted according to the relationship between the N average powers and the target average power.

[0043] Optionally, the executor of the above steps may be a background processor, or other devices with similar processing capabilities, or a machine that integrates at least an image acquisition device and a data processing device, wherein the image acquisition device may include a graphics acquisition module such as a camera, and the data processing device may include a computer, a mobile phone or other terminal, but is not limited thereto.

[0044] Through the above steps, the opening of the guide vane valve on each pipeline is adjusted according to the average power of the motor on each pipeline within a preset time, so that the flow of air in the pipeline can be controlled, thereby balancing the load between different pipeline compressor units without human intervention, ensuring that each compressor unit can operate in the best working state. The problem of unbalanced load between different pipeline compressor units caused by different air flow rates inside the pipeline in the related technology is solved, and the overall efficiency and reliability of the system are improved.

[0045] As an optional embodiment, the opening of the guide vane valve on each pipeline is adjusted according to the relationship between the N average powers and the target average power, including: determining the difference between the average power of the currently executed operation and the target average power as the current average power difference, wherein the average power of the currently executed operation is the average power of the motor on the current pipeline within the preset time length, and the average power of the currently executed operation is any average power among the N average powers; and adjusting the opening of the guide vane valve on the current pipeline according to the current average power difference.

[0046] The above-mentioned average power of the currently executed operation may be the average power of the motor on the pipeline currently executing the relevant operation, wherein the pipeline currently executing the relevant operation may be any pipeline among the N pipelines; the above-mentioned current average power difference may be the difference between the average power of the motor on the pipeline currently executing the relevant operation and the target average power; the motor calculates the difference between the average power of the motor on each pipeline and the target average power, determines the power that needs to be adjusted by the motor on each pipeline (i.e., the current average power difference), and thereby adjusts the opening of the guide vane valve on each pipeline according to the current average power difference on each pipeline.

[0047] Figure 5 is a logic diagram of a threshold comparison unit according to an embodiment of the present application, such as Figure 5As shown, the threshold comparison unit 45 mainly includes a judgment subunit 451, an AND gate logic subunit 452 and an output subunit 453. The judgment subunit 451 is used to judge the current average power difference. The judgment subunit 451 judges the current average power difference, and outputs the current average power difference when the condition is met, and outputs 0 when the condition is not met; the AND gate logic subunit 452 is used to determine the current working state of the guide vane valve. The inputs of the AND gate logic subunit 452 are the output of the judgment subunit 451 and the current working state of the guide vane valve. For example, when the guide vane valve is not working, the current working state of the guide vane valve is set to 1. At this time, the output of the AND gate logic subunit 452 is 0. When the guide vane valve is working, the current working state of the guide vane valve is set to 0. At this time, the output of the AND gate logic subunit 452 is the output of the judgment subunit 451; through the above subunits, the opening of the guide vane valve can be controlled and adjusted according to the current average power difference.

[0048] Optionally, the opening of the guide vane valve on the current pipeline is adjusted according to the current average power difference, including: when the current average power difference is less than or equal to a preset threshold, determining that the opening of the guide vane valve on the current pipeline is the current opening; when the current average power difference is greater than the preset threshold, adjusting the opening of the guide vane valve on the current pipeline.

[0049] As an optional implementation manner, the above-mentioned judgment subunit 451 can judge the current average power difference by the following formula:

[0050]

[0051] Among them, w j,k is the current average power difference, λ is the preset threshold, and the preset threshold can be set according to the actual situation; when the current average power difference is less than or equal to the preset threshold, the judgment subunit 451 outputs 0, and the opening of the guide vane valve does not need to be adjusted at this time, and the opening of the guide vane valve on the current pipeline is determined to be the current opening; when the current average power difference is greater than the preset threshold, the judgment subunit 451 outputs the current average power difference, and the opening of the guide vane valve on the current pipeline needs to be adjusted at this time. The specific adjustment logic is shown in the above specific embodiment. By setting a threshold to control the sensitivity of the opening adjustment of the guide vane valve, and adjusting the opening of the guide vane valve only when the current average power difference is greater than the preset threshold, the frequent adjustment of the guide vane valve can be effectively reduced, and the system stability and energy saving effect can be improved.

[0052] As an optional embodiment, when the current average power difference is greater than the preset threshold value, the opening of the guide vane valve on the current pipeline is adjusted, including: obtaining the average movement length of the pressure head of the compressor on the current pipeline within the preset time length, wherein the greater the average power of the motor on the current pipeline, the greater the average movement length; determining the target regulation flow on the current pipeline based on the average movement length and the current average power difference; determining the target regulation opening through the target regulation flow, and adjusting the opening of the guide vane valve on the current pipeline based on the target regulation opening.

[0053] The above-mentioned target adjustment opening can be the area of ​​the guide vane valve opening and closing, or the angle of the guide vane valve opening and closing. The angle of the guide vane valve opening and closing can be expressed as a percentage, that is, the ratio between the required opening and closing angle and the maximum opening and closing angle, wherein the area of ​​the guide vane valve opening and closing is proportional to the opening and closing angle of the guide vane valve, for example:

[0054] A=bθ

[0055] Wherein, A is the opening and closing area of ​​the guide vane valve, θ is the opening and closing angle of the guide vane valve, and b is the coefficient.

[0056] Optionally, the product of the average moving length, the working efficiency of the compressor on the current pipeline and a preset value is determined as a target product value, wherein the working efficiency of each compressor on the current pipeline is equal; the ratio of the current average power difference to the target product value is determined as the target regulated flow rate of the compressed air on the current pipeline. Specifically, the target regulated flow rate can be determined by the following formula:

[0057] P=k×Q×H×η

[0058] Among them, P is the current average power difference, k is the preset value, which depends on factors such as air density and gravity acceleration, Q is the target regulated flow, H is the average moving length, and η is the working efficiency of the compressor on the current pipeline.

[0059] Optionally, when the target adjustment opening is the area of ​​the guide vane valve opening and closing, the target adjustment opening can be determined by the following formula:

[0060]

[0061] Wherein, Q is the target regulating flow, C is the flow coefficient, which depends on the design of the guide vane valve and the fluid characteristics, A is the target regulating opening, and g is the gravity acceleration, which is usually 9.81 m / s 2 , H is the average moving length.

[0062] As an optional implementation, the flow rate can also be adjusted by determining the target as follows:

[0063] P = ρ × Q × (P out -P in )×η

[0064] Where P is the current average power difference, ρ is the air density, Q is the target regulated flow rate, P out is the compressor outlet pressure, P in is the compressor inlet pressure, and η is the operating efficiency of the compressor on the current pipeline.

[0065] Optionally, the target adjustment flow is related to the opening of the guide vane valve. When the target adjustment opening is the opening angle of the guide vane valve, the specific relationship can be obtained by fitting the data points in Table 1 below. It should be noted that the data in Table 1 below is only an example and is not limited to any particular example.

[0066] Table 1

[0067] Guide vane valve opening (%) <![CDATA[Flow rate (m 3 / s)]]> Pressure difference (Pa) 10 0.5 1000 20 1.0 2000 30 1.5 3000

[0068] As an optional implementation, when the target adjustment flow rate is linearly correlated with the opening of the guide vane valve, the target adjustment opening can be determined by the following formula:

[0069] Q=Q0·f(θ)

[0070] f(θ)=θ / θ max

[0071] Wherein, Q is the target regulating flow rate, Q0 is the flow rate under the reference opening, θ is the target regulating opening, and θ max is the maximum opening of the guide vane valve.

[0072] As an optional embodiment, the opening of the guide vane valve on the current pipeline is adjusted according to the target adjustment opening, including: when the current average power is greater than the target average power, reducing the current opening of the guide vane valve by the target adjustment opening; when the current average power is less than the target average power, increasing the current opening of the guide vane valve by the target adjustment opening.

[0073] As an optional implementation, taking two pipelines as an example, Figure 6 is a specific logic diagram of adjusting the guide vane valve according to an embodiment of the present application, such as Figure 6 As shown, the specific steps are as follows:

[0074] S1, obtaining the power of the motor 11 on the two pipelines in real time or at an interval threshold time (e.g., 2s, 3s, 4s, etc.);

[0075] S2, using the sliding / moving average function unit 41 to calculate the average power of each motor on the two pipelines within a preset time length, and obtain two average powers P1_average and P2_average;

[0076] S3, calculating the average of the two equal powers through the summing unit 42 and the expected value unit 43 to obtain the target average power P_average;

[0077] S4, obtaining the current average power difference values ​​△P1 and △P2 on the two pipelines respectively through the difference unit 44;

[0078] S5, using the threshold comparison unit 45 to judge the current average power difference △P1 and △P2 to determine the target adjustment opening;

[0079] S6, finally adjusting the opening of the guide vane valve using the summing unit 42 according to the target adjustment opening, so as to control the flow of air in the pipeline and ensure load balance between different pipeline compressor units.

[0080] Through the description of the above implementation methods, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM / RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present invention.

[0081] In this embodiment, a device for adjusting the guide vane valve is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and the descriptions that have been made will not be repeated. As used below, the term "module" can implement a combination of software and / or hardware of a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0082] Figure 7 is a structural block diagram of a device for adjusting a guide vane valve according to an embodiment of the present application, such as Figure 7As shown, the device includes: an acquisition module 702, which is used to acquire the average power of each motor on N pipelines within a preset time length, and obtain N average powers, wherein N is an integer greater than 1, and each of the pipelines is provided with the motor and multiple compressors, the motor is used to provide kinetic energy to the compressor, and the compressor is used to compress air into the underground salt cavern chamber; an adjustment module 704, which is used to adjust the opening of the guide vane valve on each pipeline according to the N average powers, wherein the guide vane valve is provided between the underground salt cavern chamber and the compressor, and the larger the opening of the guide vane valve, the more air is compressed into the underground salt cavern chamber within the preset time length.

[0083] In an exemplary embodiment, the device is further used to determine the average of the N average powers as the target average power; and adjust the opening of the guide vane valve on each pipeline according to the relationship between the N average powers and the target average power.

[0084] In an exemplary embodiment, the device is also used to determine the difference between the average power of the currently performed operation and the target average power as the current average power difference, wherein the average power of the currently performed operation is the average power of the motor on the current pipeline within the preset time length, and the average power of the currently performed operation is any average power among the N average powers; and the opening of the guide vane valve on the current pipeline is adjusted according to the current average power difference.

[0085] In an exemplary embodiment, the device is also used to determine that the opening of the guide vane valve on the current pipeline is the current opening when the current average power difference is less than or equal to a preset threshold; and to adjust the opening of the guide vane valve on the current pipeline when the current average power difference is greater than the preset threshold.

[0086] In an exemplary embodiment, the device is also used to obtain the average movement length of the pressure head of the compressor on the current pipeline within the preset time length, wherein the greater the average power of the motor on the current pipeline, the greater the average movement length; based on the average movement length and the current average power difference, the target regulation flow on the current pipeline is determined; the target regulation opening is determined by the target regulation flow, and the opening of the guide vane valve on the current pipeline is adjusted according to the target regulation opening.

[0087] In an exemplary embodiment, the device is also used to reduce the current opening of the guide vane valve by the target adjustment opening when the current average power is greater than the target average power; and to increase the current opening of the guide vane valve by the target adjustment opening when the current average power is less than the target average power.

[0088] In an exemplary embodiment, the device is also used to determine the product of the average moving length, the operating efficiency of the compressor on the current pipeline and a preset value as a target product value, wherein the operating efficiency of each of the compressors on the current pipeline is equal; and determine the ratio of the current average power difference to the target product value as the target regulated flow rate of the compressed air on the current pipeline.

[0089] In an exemplary embodiment, the device is further configured to determine the target adjustment opening by the following formula:

[0090]

[0091] Among them, Q is the target adjustment flow, C is the flow coefficient, A is the target adjustment opening, g is the gravitational acceleration, and H is the average moving length.

[0092] It should be noted that the above modules can be implemented by software or hardware. For the latter, it can be implemented in the following ways, but not limited to: the above modules are all located in the same processor; or the above modules are located in different processors in any combination.

[0093] An embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored. When the computer program is executed by a processor, the steps of any of the methods described above are implemented.

[0094] In an exemplary embodiment, the computer-readable storage medium may include, but is not limited to, various media that can store computer programs, such as a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk.

[0095] An embodiment of the present application further provides an electronic device, including a memory and a processor, wherein a computer program is stored in the memory, and the processor is configured to run the computer program to execute the steps in any one of the above method embodiments.

[0096] In an exemplary embodiment, the electronic device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor, and the input / output device is connected to the processor.

[0097] An embodiment of the present application further provides a computer program product, including a computer program, which implements the steps of the method described in each embodiment of the present application when executed by a processor.

[0098] For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and exemplary implementation modes, and this embodiment will not be described in detail herein.

[0099] Obviously, those skilled in the art should understand that the above modules or steps of the present application can be implemented by a general computing device, they can be concentrated on a single computing device, or distributed on a network composed of multiple computing devices, they can be implemented by a program code executable by a computing device, so that they can be stored in a storage device and executed by the computing device, and in some cases, the steps shown or described can be executed in a different order from that herein, or they can be made into individual integrated circuit modules, or multiple modules or steps therein can be made into a single integrated circuit module for implementation. Thus, the present application is not limited to any specific combination of hardware and software.

[0100] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for adjusting a guide vane valve, characterized in that: The method comprises: Obtaining the average power of each motor on N pipelines within a preset time length to obtain N average powers, wherein N is an integer greater than 1, and each pipeline is provided with the motor and a plurality of compressors, the motor is used to provide kinetic energy to the compressor, and the compressor is used to compress air into an underground salt cavern; The opening of the guide vane valve on each pipeline is adjusted according to the N average powers, wherein the guide vane valve is arranged between the underground salt cavern chamber and the compressor, and the larger the opening of the guide vane valve is, the more air is compressed into the underground salt cavern chamber within the preset time period.

2. The method according to claim 1, characterized in that The opening of the guide vane valve on each pipeline is adjusted according to the N average powers, including: Determine the average of the N average powers as the target average power; The opening of the guide vane valve on each pipeline is adjusted according to the relationship between the N average powers and the target average power.

3. The method according to claim 2, characterized in that The opening of the guide vane valve on each pipeline is adjusted according to the relationship between the N average powers and the target average power, including: Determine the difference between the average power of the currently executed operation and the target average power as the current average power difference, wherein the average power of the currently executed operation is the average power of the motor on the current pipeline within the preset time length, and the average power of the currently executed operation is any average power among the N average powers; The opening of the guide vane valve on the current pipeline is adjusted according to the current average power difference.

4. The method according to claim 3, characterized in that Adjusting the opening of the guide vane valve on the current pipeline according to the current average power difference includes: When the current average power difference is less than or equal to a preset threshold, determining the opening of the guide vane valve on the current pipeline as the current opening; When the current average power difference is greater than the preset threshold, the opening of the guide vane valve on the current pipeline is adjusted.

5. The method according to claim 4, characterized in that When the current average power difference is greater than the preset threshold, adjusting the opening of the guide vane valve on the current pipeline includes: Obtaining an average moving length of the pressure head of the compressor on the current pipeline within the preset time length, wherein the greater the average power of the motor on the current pipeline, the greater the average moving length; Determining a target regulated flow rate on the current pipeline according to the average moving length and the current average power difference; The target adjustment opening is determined by the target adjustment flow, and the opening of the guide vane valve on the current pipeline is adjusted according to the target adjustment opening.

6. The method according to claim 5, characterized in that Adjusting the opening of the guide vane valve on the current pipeline according to the target adjustment opening includes: When the current average power is greater than the target average power, reducing the current opening of the guide vane valve by the target adjustment opening; When the current average power is less than the target average power, the current opening of the guide vane valve is increased by the target adjustment opening.

7. The method according to claim 5, characterized in that Determining a target regulated flow rate of compressed air on the current pipeline according to the average moving length and the current average power difference includes: Determine the product of the average moving length, the working efficiency of the compressor on the current pipeline and a preset value as a target product value, wherein the working efficiency of each compressor on the current pipeline is equal; The ratio of the current average power difference to the target product value is determined as the target regulated flow rate of the compressed air on the current pipeline.

8. The method according to claim 5, characterized in that Determining a target regulating opening by using the target regulating flow rate includes: The target adjustment opening is determined by the following formula: Among them, Q is the target adjustment flow, C is the flow coefficient, A is the target adjustment opening, g is the gravitational acceleration, and H is the average moving length.

9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, wherein the computer program implements the steps of the method described in any one of claims 1 to 8 when executed by a processor.

10. An electronic device comprising a memory and a processor, characterized in that: A computer program is stored in the memory, and the processor is configured to run the computer program to perform the method according to any one of claims 1 to 8.

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