Air compressor power control method and system based on output demand detection

Abstract

The present application relates to the technical field of power control, and discloses an air compressor power control method and system based on output demand detection, the method comprising obtaining architectural drawings and equipment deployment drawings of a production area to create a BIM model of the production area in a building information program, and importing the BIM model of the production area into a thermal fluid simulation program to create an air compression system model; receiving production plan information of the production area to determine the gas parameter time information of each gas-consuming device; inputting each of the gas parameter time information into the air compression system model, calculating the terminal gas consumption and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information; based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, generating an air compression control instruction and sending it to the controller of the compressor unit, the gas storage device and the gas transmission pipeline; the present application has the effect of improving the consistency between the air compressor unit and the gas demand.

Description

Technical Field

[0001] The present application relates to the technical field of power control, and in particular to an air compressor power control method and system based on output demand detection. Background Art

[0002] At present, air compressors are widely used in industrial production, such as as power sources for pneumatic tools, automatic control of pneumatic valves, cleaning and purging, air cushion suspension transportation, spraying, etc., while a factory or production workshop is usually equipped with only one set of air compressors, and then the compressed gas is transported to different production areas or equipment through pipelines; when the air compression volume of the air compressor is not enough to meet the needs of all gas-using equipment, a large number of equipment may have insufficient air pressure, and if the air compression volume of the air compressor is too large, it is easy to cause energy waste. Therefore, the above-mentioned related technologies have the problem that the air compressor group is difficult to match the gas demand. Summary of the invention

[0003] In order to improve the consistency between an air compressor unit and gas demand, the present application provides an air compressor power control method and system based on output demand detection.

[0004] The first invention objective of this application is achieved by adopting the following technical solution:

[0005] The air compressor power control method based on output demand detection includes:

[0006] Obtain the production area building drawings and equipment deployment drawings to create a production area BIM model in the building information program, and import the production area BIM model into the thermal fluid simulation program to create an air compression system model;

[0007] Receive production plan information from the production area to determine the gas usage parameter time information of each gas-using device;

[0008] Inputting the time information of each gas usage parameter into the air compression system model, calculating the terminal gas usage and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information;

[0009] Based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, an air compression control instruction is generated and sent to the controllers of the compressor unit, the gas storage device and the gas pipeline;

[0010] The production area BIM model includes three-dimensional models and attribute information of compressor units, gas storage devices, gas pipelines, and gas-using devices; the gas usage parameters include gas pressure and gas volume.

[0011] By adopting the above technical solution, according to the production area building drawings and equipment deployment drawings, the deployment positions, three-dimensional models and attribute information of the compressor units, gas storage devices, gas pipelines and gas-using devices are analyzed, so as to create a production area BIM model in the building information program, and import the thermal fluid simulation program to generate an air compression system model, so as to facilitate the subsequent simulation of air flow and heat transfer of the air compression system; receive the production area production plan information to obtain the future production plan of the production area, so as to determine the information on the future production demand for compressed air in the production area over time; input the time information of each gas usage parameter into the air compression system model to calculate different The terminal gas consumption and transmission loss in each time period are calculated, so as to calculate the compressed air volume and gas pressure that the compressor unit needs to generate in different time periods, determine the gas demand value, and then generate the gas demand time information; based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, determine the working power of the compressor unit in different time periods, and then generate air compression control instructions and send them to the controllers of the compressor unit, the gas storage device and the gas pipeline, so as to control the compressor unit, the gas storage device and the gas pipeline to compress, store and transmit air according to the gas demand of each gas-consuming device, thereby improving the consistency between the working state of the air compressor unit and the gas demand.

[0012] In a preferred example of the present application, the obtaining of the production area architectural drawings and equipment deployment drawings to create a production area BIM model in a building information program includes:

[0013] Obtaining the production area building drawings and equipment deployment drawings to determine the production area deployment location and deployment restriction information of each gas-using device, and marking the transfer status information of the gas-using device based on the deployment restriction information;

[0014] Based on the production area deployment locations of the compressor units and non-removable gas-consuming devices, as well as the gas pressure values ​​of each gas-consuming device, the gas pipelines are preliminarily deployed, and a preliminary BIM model of the production area is created in the building information program;

[0015] According to the gas pressure values ​​and deployment restriction information of each transferable gas-using device, the deployment locations of each transferable gas-using device are planned in the primary BIM model of the production area to update the deployment status of the gas pipeline and generate the BIM model of the production area;

[0016] The equipment deployment drawing records the compressor unit, the production area deployment location of each gas-using device, deployment restriction information and attribute information; the transfer status information includes transferable and non-transferable.

[0017] By adopting the above technical solution, the production area building drawings and equipment deployment drawings are obtained to determine the current deployment position of each gas-using device in the production area, as well as the deployment restriction information due to installation requirements, water and electricity requirements, environmental requirements, etc., and judge whether the deployment position of each gas-using device can be transferred according to the deployment restriction information to mark the transfer status information; based on the production area deployment position of the compressor unit and each non-transferable gas-using device and the gas pressure value of each gas-using device, the gas pipeline is preliminarily deployed to create a preliminary BIM model of the production area; according to the gas pressure value and deployment restriction information of each transferable gas-using device, the deployment position of the transferable gas-using device is planned on the basis of the preliminary BIM model of the production area, and then the deployment status of the gas pipeline is updated to generate a BIM model of the production area, thereby achieving the effect of optimizing the deployment position of the gas-using device.

[0018] In a preferred example of the present application: the gas usage parameter time information records the gas pressure and gas usage in several future time periods;

[0019] The inputting of the time information of each gas usage parameter into the air compression system model, calculating the terminal gas usage and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information, includes:

[0020] Inputting each of the gas usage parameter time information into the air compression system model, and determining the terminal gas usage of each gas-using device in different time periods based on each of the gas usage parameter time information;

[0021] Calculate the transmission loss of each gas-consuming device based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device;

[0022] Based on the terminal gas consumption and transmission loss of each gas-consuming device, the gas demand value of the air compression system in different time periods is calculated to generate gas demand time information.

[0023] By adopting the above technical scheme, since the overall gas demand of the air compression system comes from each gas-consuming device, the terminal gas consumption of each gas-consuming device in different time periods can be determined according to the time information of each gas consumption parameter; according to the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device, the transmission loss of compressed air in the process of transmitting from the outlet of the compressor unit to the gas-consuming device is simulated and evaluated in the air compression system model, so as to improve the compensation accuracy of the transmission loss when the working power of the compressor unit is subsequently controlled; based on the terminal gas consumption and transmission loss of the gas-consuming device, the overall gas demand value of the air compression system in different time periods is calculated, and then the gas demand time information is generated, so as to facilitate the subsequent adjustment of the working state of the air compression system.

[0024] In a preferred example of the present application: the attribute information of the gas storage device includes an upper limit gas storage capacity, a lower limit gas storage capacity and an available gas storage capacity;

[0025] The generating of the air compression control instruction based on the gas demand time information and the attribute information of the compressor unit and the gas storage device includes:

[0026] Based on the gas demand time information, the gas consumption of a gas consumption cycle is calculated, and based on the attribute information of the gas storage device, the available gas storage capacity is determined;

[0027] Based on the attribute information of the compressor unit, determine the priority compression rate corresponding to the highest energy efficiency ratio. When the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, calculate the priority rate operation time based on the full tank gas storage difference, the cycle gas consumption and the priority compression rate.

[0028] When the priority compression rate is less than the average gas consumption rate of the current gas consumption cycle, the corresponding cycle compression rate is calculated based on the empty tank gas storage difference, the cycle gas consumption and the gas consumption cycle operation time;

[0029] Generate air compression control instructions based on the priority compression rate, the priority rate operation time, or the air usage cycle operation time and the cycle compression rate;

[0030] The full tank gas storage difference refers to the difference between the upper limit gas storage capacity and the available gas storage capacity, and the empty tank gas storage difference refers to the difference between the available gas storage capacity and the lower limit gas storage capacity; the compression rate refers to the amount of air compressed by the compressor unit per unit time;

[0031] The calculation formula of the priority rate running time is:

[0032]

[0033] The calculation formula of the cycle compression rate is:

[0034]

[0035] Among them, T Y is the priority rate running time, T Z is the gas cycle operation time, V Z is the gas consumption in the cycle, V m is the full tank gas storage difference, V K is the empty tank gas storage difference, S Y is the priority compression rate, S Z is the cycle compression rate.

[0036] By adopting the above technical scheme, the periodic gas consumption of the entire air compression system in a gas consumption cycle is calculated according to the gas demand information, and the current available gas storage capacity is obtained according to the attribute information of the gas storage device, so as to know the gas consumption gap and the remaining gas storage capacity of the current gas consumption cycle; the priority compression rate corresponding to the highest energy efficiency ratio of the compressor unit is determined according to the attribute information of the compressor unit, and when the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, the priority rate operation time is calculated to facilitate the subsequent control of the compressor unit to operate at the priority compression rate, and store gas for the gas storage device on the basis of ensuring the periodic gas consumption, so as to improve the energy efficiency level of the compressor unit operation; when the priority compression rate is less than the average gas consumption rate of the current gas consumption cycle, the periodic compression rate is calculated to facilitate the subsequent control of the compressor unit to operate at the periodic compression rate, and make full use of the gas stored in the gas storage device to improve the energy efficiency level of the compressor unit operation; according to whether the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, determine to generate air compression control instructions based on the priority compression rate, the priority rate operation time, or the gas consumption cycle operation time and the periodic compression rate to control the operation of the air compression system.

[0037] The second invention objective of this application is achieved by the following technical solution:

[0038] An air compressor power control system based on output demand detection, applied to any of the above-mentioned air compressor power control methods based on output demand detection, comprises:

[0039] An air compression system model creation module is used to obtain the production area building drawings and equipment deployment drawings to create a production area BIM model in a building information program, and import the production area BIM model into a thermal fluid simulation program to create an air compression system model;

[0040] The gas usage parameter time analysis module is used to receive the production plan information of the production area to determine the gas usage parameter time information of each gas-consuming device;

[0041] A gas demand time analysis module, which is used to input the time information of each gas consumption parameter into the air compression system model, calculate the terminal gas consumption and transmission loss in different time periods, and then calculate the gas demand value to generate the gas demand time information;

[0042] An air compression control module, for generating an air compression control instruction based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, and sending the instruction to the controllers of the compressor unit, the gas storage device and the gas transmission pipeline;

[0043] The production area BIM model includes three-dimensional models and attribute information of compressor units, gas storage devices, gas pipelines, and gas-using devices; the gas usage parameters include gas pressure and gas volume.

[0044] In a preferred example of the present application: the air compression system model creation module includes:

[0045] The transfer status marking submodule is used to obtain the production area building drawings and equipment deployment drawings to determine the production area deployment location and deployment restriction information of each gas-using device, and mark the transfer status information of the gas-using device based on the deployment restriction information;

[0046] The preliminary BIM model generation submodule is used to preliminarily deploy the gas pipeline based on the production area deployment locations of the compressor units and the non-transferable gas-using devices, as well as the gas pressure values ​​of the gas-using devices, and create a preliminary BIM model of the production area in the building information program;

[0047] The production area BIM model generation submodule is used to plan the deployment positions of each transferable gas-using device in the production area primary BIM model according to the gas pressure value and deployment restriction information of each transferable gas-using device, so as to update the deployment status of the gas transmission pipeline and generate the production area BIM model;

[0048] The equipment deployment drawing records the compressor unit, the production area deployment location of each gas-using device, deployment restriction information and attribute information; the transfer status information includes transferable and non-transferable.

[0049] In a preferred example of the present application: the gas demand time analysis module includes:

[0050] A terminal gas consumption determination submodule, used for inputting the time information of each gas consumption parameter into the air compression system model, and determining the terminal gas consumption of each gas-using device in different time periods based on the time information of each gas consumption parameter;

[0051] The transmission loss determination submodule is used to calculate the transmission loss of each gas-consuming device based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device;

[0052] A gas demand time information generation submodule is used to calculate the gas demand value of the air compression system in different time periods based on the terminal gas consumption and transmission loss of each gas-consuming device to generate the gas demand time information;

[0053] The gas usage parameter time information records the gas pressure and gas usage in several future time periods.

[0054] In a preferred example of the present application: the air compression control module includes:

[0055] An available gas storage capacity determination submodule is used to calculate the periodic gas consumption of a gas consumption cycle based on the gas demand time information, and determine the available gas storage capacity based on the attribute information of the gas storage device;

[0056] The priority rate operation time calculation submodule is used to determine the priority compression rate corresponding to the highest energy efficiency ratio based on the attribute information of the compressor unit. When the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, the priority rate operation time is calculated based on the full tank gas storage difference, the cycle gas consumption and the priority compression rate.

[0057] The cycle compression rate calculation submodule is used to calculate the corresponding cycle compression rate based on the empty tank gas storage difference, cycle gas consumption and gas cycle operation time when the priority compression rate is less than the average gas consumption rate of the current gas consumption cycle;

[0058] An air compression control instruction generation submodule is used to generate an air compression control instruction based on a priority compression rate, a priority rate operation time, or an air usage cycle operation time, and a cycle compression rate;

[0059] The attribute information of the gas storage device includes the upper limit gas storage capacity, the lower limit gas storage capacity and the available gas storage capacity; the full tank gas storage difference refers to the difference between the upper limit gas storage capacity and the available gas storage capacity, and the empty tank gas storage difference refers to the difference between the available gas storage capacity and the lower limit gas storage capacity; the compression rate refers to the amount of air compressed by the compressor unit per unit time;

[0060] The calculation formula of the priority rate running time is:

[0061]

[0062] The calculation formula of the cycle compression rate is:

[0063]

[0064] Among them, T Y is the priority rate running time, T Z is the gas cycle operation time, V Z is the gas consumption in the cycle, V m is the full tank gas storage difference, V K is the empty tank gas storage difference, S Y is the priority compression rate, S Z is the cycle compression rate.

[0065] The third invention objective of this application is achieved by the following technical solution:

[0066] A computer device comprises a memory, a processor and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the air compressor power control method based on output demand detection are implemented.

[0067] The fourth invention objective of this application is achieved by the following technical solution:

[0068] A computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the air compressor power control method based on output demand detection are implemented.

[0069] In summary, the present application includes at least one of the following beneficial technical effects:

[0070] 1. According to the production area architectural drawings and equipment deployment drawings, analyze the deployment location, three-dimensional model and attribute information of the compressor unit, gas storage device, gas pipeline, and gas device, so as to create a BIM model of the production area in the building information program, and import the thermal fluid simulation program to generate an air compression system model to facilitate the subsequent simulation of air flow and heat transfer of the air compression system; receive the production area production plan information to obtain the future production plan of the production area, so as to determine the information on the future production demand for compressed air in the production area over time; input the time information of each gas usage parameter into the air compression system model to calculate the terminal time of different time periods. The air consumption and transmission loss at the end are calculated, so as to calculate the compressed air volume and gas pressure that the compressor unit needs to generate in different time periods, determine the gas demand value, and then generate the gas demand time information; based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, the working power of the compressor unit in different time periods is determined, and then the air compression control instructions are generated and sent to the controllers of the compressor unit, the gas storage device and the gas pipeline, so as to control the compressor unit, the gas storage device and the gas pipeline to compress, store and transmit the air according to the gas demand of each gas-consuming device, thereby improving the consistency between the working state of the air compressor unit and the gas demand.

[0071] 2. Obtain the production area building drawings and equipment deployment drawings to determine the current deployment location of each gas-using device in the production area, as well as the deployment restriction information due to installation requirements, water and electricity requirements, environmental requirements, etc., and determine whether the deployment location of each gas-using device can be transferred based on the deployment restriction information to mark the transfer status information; based on the production area deployment location of the compressor unit and each non-transferable gas-using device and the gas pressure value of each gas-using device, preliminarily deploy the gas pipeline and create a preliminary BIM model of the production area; based on the gas pressure value and deployment restriction information of each transferable gas-using device, plan the deployment location of the transferable gas-using device on the basis of the preliminary BIM model of the production area, and then update the deployment status of the gas pipeline to generate a BIM model of the production area, thereby achieving the effect of optimizing the deployment location of the gas-using device.

[0072] 3. Since the overall gas demand of the air compression system comes from each gas-consuming device, the terminal gas consumption of each gas-consuming device in different time periods can be determined based on the time information of each gas consumption parameter; based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device, the transmission loss of compressed air in the process of transmitting from the outlet of the compressor unit to the gas-consuming device is simulated and evaluated in the air compression system model, so as to improve the compensation accuracy of the transmission loss when the working power of the compressor unit is subsequently controlled; based on the terminal gas consumption and transmission loss of the gas-consuming device, the overall gas demand value of the air compression system in different time periods is calculated, and then the gas demand time information is generated to facilitate the subsequent adjustment of the working state of the air compression system. BRIEF DESCRIPTION OF THE DRAWINGS

[0073] Figure 1 It is a flow chart of the air compressor power control method based on output demand detection in Example 1 of the present application.

[0074] Figure 2 It is a principle block diagram of an air compressor power control system based on output demand detection in the second embodiment of the present application.

[0075] Figure 3 It is a schematic diagram of the equipment in Example 3 of the present application. DETAILED DESCRIPTION

[0076] The following is combined with Figures 1 to 3 This application is described in further detail.

[0077] Embodiment 1

[0078] Reference Figure 1 The present application discloses an air compressor power control method based on output demand detection, which specifically includes the following steps:

[0079] S10: Obtain the production area building drawings and equipment deployment drawings to create a production area BIM model in a building information program, and import the production area BIM model into a thermal fluid simulation program to create an air compression system model.

[0080] In this embodiment, the production area architectural drawings refer to the architectural drawings of the production workshop or factory where the air compression system is located; the equipment deployment drawings refer to the drawings used to record the deployment information of equipment such as compressor units, gas storage devices, gas pipelines, and gas-using devices; the production area BIM model includes three-dimensional models and attribute information of compressor units, gas storage devices, gas pipelines, and gas-using devices; the attribute information of the compressor unit includes power, exhaust pressure, exhaust volume, compression ratio, exhaust temperature, energy efficiency ratio data corresponding to multiple powers, etc., the attribute information of the gas storage device includes volume, working pressure, design temperature, interface size, safety valve set pressure, etc., the attribute information of the gas pipeline includes shape, size, inner wall smoothness, local resistance coefficient of each pipeline section, etc.; gas usage parameters include gas pressure and gas volume.

[0081] Specifically, based on the production area architectural drawings and equipment deployment drawings, the deployment locations, three-dimensional models and attribute information of the compressor units, gas storage devices, gas pipelines and gas-using devices are analyzed, so as to create a BIM model of the production area in the building information program, and import the thermal fluid simulation program to generate an air compression system model, which facilitates the subsequent simulation of air flow and heat transfer in the air compression system.

[0082] Wherein, in step S10, it includes:

[0083] S11: Obtain the production area building drawings and equipment deployment drawings to determine the production area deployment location and deployment restriction information of each gas-consuming device, and mark the transfer status information of the gas-consuming device based on the deployment restriction information.

[0084] In this embodiment, the equipment deployment drawing records the production area deployment location, deployment restriction information and attribute information of the compressor unit and each gas-consuming device; wherein the deployment restriction information is used to record the installation requirement information, water demand information, electricity demand information, environmental demand information and other information that restricts the deployment location of each type of device of the compressor unit or each gas-consuming device; the transfer status information includes transferable and non-transferable, which can be specifically determined based on the deployment restriction information of the device.

[0085] Specifically, obtain the production area building drawings and equipment deployment drawings to determine the current deployment location of each gas-consuming device in the production area, as well as deployment restriction information due to installation requirements, water and electricity requirements, environmental requirements, etc., and determine whether the deployment location of each gas-consuming device can be transferred based on the deployment restriction information to mark the transfer status information.

[0086] S12: Based on the production area deployment locations of the compressor units and the non-transferable gas-consuming devices, as well as the gas pressure values ​​of each gas-consuming device, the gas pipeline is preliminarily deployed, and a preliminary BIM model of the production area is created in the building information program.

[0087] Specifically, based on the production area deployment locations of the compressor units and each non-transferable gas-consuming device and the gas pressure value of each gas-consuming device, the gas pipeline is preliminarily deployed, the preliminary pipeline deployment information is generated, and the preliminary BIM model of the production area is created.

[0088] S13: According to the gas pressure value and deployment restriction information of each transferable gas-consuming device, the deployment position of each transferable gas-consuming device is planned in the primary BIM model of the production area to update the deployment status of the gas pipeline and generate the BIM model of the production area.

[0089] Specifically, according to the gas pressure values ​​and deployment restriction information of each transferable gas-consuming device, the deployment locations of the transferable gas-consuming devices are planned on the basis of the preliminary BIM model of the production area, and then the deployment status of the gas pipeline is updated to generate the BIM model of the production area, thereby achieving the effect of optimizing the deployment locations of the gas-consuming devices.

[0090] S20: Receive production plan information of the production area to determine the gas usage parameter time information of each gas consuming device.

[0091] In this embodiment, the production plan information of the production area refers to the production plan information of each gas-consuming device in the production area, which is used to determine the demand and usage time of each gas-consuming device for compressed air.

[0092] Specifically, the production plan information of the production area is received to obtain the future production plan of the production area, so as to facilitate the determination of the information on the change of the demand for compressed air for future production in the production area over time.

[0093] S30: Inputting the time information of each gas usage parameter into the air compression system model, calculating the terminal gas usage and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information.

[0094] In this embodiment, terminal gas consumption refers to the gas consumption of a single gas-consuming device in a specific time period.

[0095] Specifically, the time information of each gas consumption parameter is input into the air compression system model to calculate the terminal gas consumption and transmission loss in different time periods, thereby calculating the amount of compressed air and gas pressure required to be generated by the compressor unit in different time periods, determining the gas demand value, and then generating the gas demand time information.

[0096] Wherein, in step S30, it includes:

[0097] S31: Inputting the time information of each gas usage parameter into the air compression system model, and determining the terminal gas usage of each gas-using device in different time periods based on the time information of each gas usage parameter.

[0098] In this embodiment, the gas usage parameter time information records the gas pressure and gas usage in several future time periods.

[0099] Specifically, since the overall gas demand of the air compression system comes from various gas-consuming devices, the terminal gas consumption of each gas-consuming device in different time periods can be determined according to the time information of each gas consumption parameter.

[0100] S32: Calculate the transmission loss of each gas-consuming device based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device.

[0101] Specifically, based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas pipeline section of each gas-consuming device, the transmission loss of compressed air during the transmission from the outlet of the compressor unit to the gas-consuming device is simulated and evaluated in the air compression system model, so as to improve the compensation accuracy of the transmission loss when subsequently controlling the working power of the compressor unit.

[0102] S33: Based on the terminal gas consumption and transmission loss of each gas-consuming device, the gas demand value of the air compression system in different time periods is calculated to generate gas demand time information.

[0103] Specifically, based on the terminal gas consumption and transmission loss of the gas-consuming device, the overall gas demand value of the air compression system in different time periods is calculated, and then the gas demand time information is generated to facilitate the subsequent adjustment of the working state of the air compression system.

[0104] S40: Based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, an air compression control instruction is generated and sent to the controllers of the compressor unit, the gas storage device and the gas pipeline.

[0105] Specifically, based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, the working power of the compressor unit in different time periods is determined, and then air compression control instructions are generated and sent to the controllers of the compressor unit, the gas storage device and the gas pipeline, so as to control the compressor unit, the gas storage device and the gas pipeline to compress, store and transmit air according to the gas demand of each gas-consuming device, thereby improving the consistency between the working state of the air compressor unit and the gas demand.

[0106] Wherein, in step S40, it includes:

[0107] S41: Based on the gas demand time information, calculate the periodic gas consumption of a gas consumption cycle, and based on the attribute information of the gas storage device, determine the available gas storage capacity.

[0108] In this embodiment, the attribute information of the gas storage device includes an upper limit gas storage capacity, a lower limit gas storage capacity and an available gas storage capacity; the available gas storage capacity is determined according to the current gas storage capacity of the gas storage device.

[0109] Specifically, at the beginning of a gas usage cycle, the gas consumption of the entire air compression system within the gas usage cycle is calculated based on the gas demand information, and the current available gas storage capacity is obtained based on the attribute information of the gas storage device, so as to know the gas consumption gap and the remaining gas storage capacity of the current gas usage cycle.

[0110] S42: Based on the attribute information of the compressor unit, determine the priority compression rate corresponding to the highest energy efficiency ratio. When the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, calculate the priority rate operating time based on the full tank gas storage difference, the cycle gas consumption and the priority compression rate.

[0111] In this embodiment, the full tank gas storage difference refers to the difference between the upper limit gas storage capacity and the available gas storage capacity; the compression rate refers to the amount of air compressed by the compressor unit per unit time; and the gas consumption rate refers to the sum of the gas consumption of each gas-consuming device per unit time.

[0112] The calculation formula for the priority rate running time is:

[0113]

[0114] Among them, T Y is the priority rate running time, T Z is the gas cycle operation time, V Z is the gas consumption in the cycle, V m is the full tank gas storage difference, V K is the empty tank gas storage difference, S Y is the priority compression rate, S Z is the cycle compression rate.

[0115] Specifically, the priority compression rate corresponding to the highest energy efficiency ratio of the compressor unit is determined according to the attribute information of the compressor unit. When the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, the priority rate operating time is calculated to facilitate the subsequent control of the compressor unit to operate at the priority compression rate. On the basis of ensuring the gas consumption of the cycle, gas is stored for the gas storage device to improve the energy efficiency level of the compressor unit operation.

[0116] S43: When the priority compression rate is less than the average gas usage rate of the current gas usage cycle, the corresponding cycle compression rate is calculated based on the empty tank gas storage difference, the cycle gas consumption and the gas usage cycle operation time.

[0117] In this embodiment, the empty tank gas storage difference refers to the difference between the available gas storage capacity and the lower limit gas storage capacity.

[0118] The calculation formula for the cycle compression rate is:

[0119]

[0120] Specifically, when the priority compression rate is less than the average gas consumption rate of the current gas consumption cycle, the cycle compression rate is calculated to facilitate subsequent control of the compressor unit to operate at the cycle compression rate, making full use of the gas stored in the gas storage device to improve the energy efficiency level of the compressor unit operation.

[0121] S44: Generate an air compression control instruction based on the priority compression rate, the priority rate operation time, or the air usage cycle operation time and the cycle compression rate.

[0122] Specifically, depending on whether the priority compression rate is greater than the average gas usage rate of the current gas usage cycle, determine whether to generate an air compression control instruction based on the priority compression rate, priority rate operating time, or gas usage cycle operating time and cycle compression rate to control the operation of the air compression system.

[0123] It should be understood that the serial numbers of the steps in the above embodiments do not imply a sequence of execution. The execution sequence of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0124] Embodiment 2

[0125] An air compressor power control system based on output demand detection corresponds to the air compressor power control method based on output demand detection in the above embodiment.

[0126] like Figure 2 As shown, the air compressor power control system based on output demand detection includes an air compression system model creation module, an air usage parameter time analysis module, an air usage demand time analysis module and an air compression control module. The detailed description of each functional module is as follows:

[0127] An air compression system model creation module is used to obtain the production area building drawings and equipment deployment drawings to create a production area BIM model in a building information program, and import the production area BIM model into a thermal fluid simulation program to create an air compression system model;

[0128] The gas usage parameter time analysis module is used to receive the production plan information of the production area to determine the gas usage parameter time information of each gas-consuming device;

[0129] A gas demand time analysis module, which is used to input the time information of each gas consumption parameter into the air compression system model, calculate the terminal gas consumption and transmission loss in different time periods, and then calculate the gas demand value to generate the gas demand time information;

[0130] The air compression control module is used to generate air compression control instructions based on the gas demand time information and the attribute information of the compressor group and the gas storage device, and send them to the controllers of the compressor group, the gas storage device and the gas pipeline.

[0131] Among them, the air compression system model creation module also includes:

[0132] The transfer status marking submodule is used to obtain the production area building drawings and equipment deployment drawings to determine the production area deployment location and deployment restriction information of each gas-using device, and mark the transfer status information of the gas-using device based on the deployment restriction information;

[0133] The preliminary BIM model generation submodule is used to preliminarily deploy the gas pipeline based on the production area deployment locations of the compressor units and the non-transferable gas-using devices, as well as the gas pressure values ​​of the gas-using devices, and create a preliminary BIM model of the production area in the building information program;

[0134] The production area BIM model generation submodule is used to plan the deployment positions of each transferable gas-consuming device in the primary BIM model of the production area according to the gas pressure values ​​and deployment restriction information of each transferable gas-consuming device, so as to update the deployment status of the gas pipeline and generate the production area BIM model.

[0135] Among them, the gas demand time analysis module also includes:

[0136] A terminal gas consumption determination submodule, used for inputting the time information of each gas consumption parameter into the air compression system model, and determining the terminal gas consumption of each gas-using device in different time periods based on the time information of each gas consumption parameter;

[0137] The transmission loss determination submodule is used to calculate the transmission loss of each gas-consuming device based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device;

[0138] The gas demand time information generation submodule is used to calculate the gas demand value of the air compression system in different time periods based on the terminal gas consumption and transmission loss of each gas-consuming device to generate the gas demand time information.

[0139] The air compression control module further includes:

[0140] An available gas storage capacity determination submodule is used to calculate the periodic gas consumption of a gas consumption cycle based on the gas demand time information, and determine the available gas storage capacity based on the attribute information of the gas storage device;

[0141] The priority rate operation time calculation submodule is used to determine the priority compression rate corresponding to the highest energy efficiency ratio based on the attribute information of the compressor unit. When the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, the priority rate operation time is calculated based on the full tank gas storage difference, the cycle gas consumption and the priority compression rate.

[0142] The cycle compression rate calculation submodule is used to calculate the corresponding cycle compression rate based on the empty tank gas storage difference, cycle gas consumption and gas cycle operation time when the priority compression rate is less than the average gas consumption rate of the current gas consumption cycle;

[0143] The air compression control instruction generation submodule is used to generate air compression control instructions based on the priority compression rate, the priority rate operation time, or the air cycle operation time and the cycle compression rate.

[0144] For the specific limitations of the air compressor power control system based on output demand detection, please refer to the limitations of the air compressor power control method based on output demand detection in the above text, which will not be repeated here; the various modules in the above-mentioned air compressor power control system based on output demand detection can be fully or partially implemented by software, hardware and their combination; the above-mentioned modules can be embedded in or independent of the processor in the computer device in the form of hardware, or can be stored in the memory of the computer device in the form of software, so that the processor can call and execute the corresponding operations of the above-mentioned modules.

[0145] Embodiment 3

[0146] A computer device, which may be a server, may have an internal structure as shown in Figure 3 As shown. The computer device includes a processor, a memory, a network interface and a database connected through a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer device is used to store production area architectural drawings, equipment deployment drawings, building information programs, production area BIM models, thermal fluid simulation programs, air compression system models, production area production plan information, gas parameter time information, gas parameter time information, terminal gas consumption, transmission loss, gas demand value, gas demand time information, compressor unit, gas storage device attribute information, air compression control instructions and other data. The network interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, an air compressor power control method based on output demand detection is implemented.

[0147] In one embodiment, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the following steps when executing the computer program:

[0148] S10: Obtaining the production area building drawings and equipment deployment drawings to create a production area BIM model in a building information program, and importing the production area BIM model into a thermal fluid simulation program to create an air compression system model;

[0149] S20: receiving production plan information of the production area to determine the gas usage parameter time information of each gas usage device;

[0150] S30: Inputting the time information of each gas usage parameter into the air compression system model, calculating the terminal gas usage and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information;

[0151] S40: Based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, an air compression control instruction is generated and sent to the controllers of the compressor unit, the gas storage device and the gas pipeline.

[0152] In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

[0153] S10: Obtaining the production area building drawings and equipment deployment drawings to create a production area BIM model in a building information program, and importing the production area BIM model into a thermal fluid simulation program to create an air compression system model;

[0154] S20: receiving production plan information of the production area to determine the gas usage parameter time information of each gas usage device;

[0155] S30: Inputting the time information of each gas usage parameter into the air compression system model, calculating the terminal gas usage and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information;

[0156] S40: Based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, an air compression control instruction is generated and sent to the controllers of the compressor unit, the gas storage device and the gas pipeline.

[0157] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in the present application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink), DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0158] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

[0159] The embodiments described above are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, it should be understood by those skilled in the art that the technical solutions described in the aforementioned embodiments may still be modified, or some of the features thereof may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application, and should all be included in the protection scope of the present application.

Claims

1. An air compressor power control method based on output demand detection, characterized in that: include: Obtain the production area building drawings and equipment deployment drawings to create a production area BIM model in the building information program, and import the production area BIM model into the thermal fluid simulation program to create an air compression system model; Receive production plan information from the production area to determine the gas usage parameter time information of each gas-using device; Inputting the time information of each gas usage parameter into the air compression system model, calculating the terminal gas usage and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information; Based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, an air compression control instruction is generated and sent to the controllers of the compressor unit, the gas storage device and the gas pipeline; The production area BIM model includes three-dimensional models and attribute information of compressor units, gas storage devices, gas pipelines, and gas-using devices; the gas consumption parameter time information records the gas pressure and gas consumption in several future time periods.

2. The air compressor power control method based on output demand detection according to claim 1 is characterized in that: The obtaining of the production area architectural drawings and equipment deployment drawings to create a production area BIM model in a building information program includes: Obtaining the production area building drawings and equipment deployment drawings to determine the production area deployment location and deployment restriction information of each gas-using device, and marking the transfer status information of the gas-using device based on the deployment restriction information; Based on the production area deployment locations of the compressor units and non-removable gas-consuming devices, as well as the gas pressure values ​​of each gas-consuming device, the gas pipelines are preliminarily deployed, and a preliminary BIM model of the production area is created in the building information program; According to the gas pressure values ​​and deployment restriction information of each transferable gas-using device, the deployment locations of each transferable gas-using device are planned in the primary BIM model of the production area to update the deployment status of the gas pipeline and generate the BIM model of the production area; The equipment deployment drawing records the compressor unit, the production area deployment location of each gas-using device, deployment restriction information and attribute information; the transfer status information includes transferable and non-transferable.

3. The air compressor power control method based on output demand detection according to claim 1 is characterized in that: The gas usage parameter time information records the gas pressure and gas usage in several future time periods; The inputting of the time information of each gas usage parameter into the air compression system model, calculating the terminal gas usage and transmission loss in different time periods, and then calculating the gas demand value to generate the gas demand time information, includes: Inputting each of the gas usage parameter time information into the air compression system model, and determining the terminal gas usage of each gas-using device in different time periods based on each of the gas usage parameter time information; Calculate the transmission loss of each gas-consuming device based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device; Based on the terminal gas consumption and transmission loss of each gas-consuming device, the gas demand value of the air compression system in different time periods is calculated to generate gas demand time information.

4. The air compressor power control method based on output demand detection according to claim 1 is characterized in that: The attribute information of the gas storage device includes an upper limit gas storage capacity, a lower limit gas storage capacity and an available gas storage capacity; The generating of the air compression control instruction based on the gas demand time information and the attribute information of the compressor unit and the gas storage device includes: Based on the gas demand time information, the gas consumption of a gas consumption cycle is calculated, and based on the attribute information of the gas storage device, the available gas storage capacity is determined; Based on the attribute information of the compressor unit, determine the priority compression rate corresponding to the highest energy efficiency ratio. When the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, calculate the priority rate operation time based on the full tank gas storage difference, the cycle gas consumption and the priority compression rate. When the priority compression rate is less than the average gas consumption rate of the current gas consumption cycle, the corresponding cycle compression rate is calculated based on the empty tank gas storage difference, the cycle gas consumption and the gas consumption cycle operation time; When the priority compression rate is greater than the average gas usage rate of the current gas usage cycle, an air compression control instruction is generated based on the priority compression rate and the priority rate operation time; when the priority compression rate is less than the average gas usage rate of the current gas usage cycle, an air compression control instruction is generated based on the gas usage cycle operation time and the cycle compression rate; The full tank gas storage difference refers to the difference between the upper limit gas storage capacity and the available gas storage capacity, and the empty tank gas storage difference refers to the difference between the available gas storage capacity and the lower limit gas storage capacity; the compression rate refers to the amount of air compressed by the compressor unit per unit time; The calculation formula of the priority rate running time is: The calculation formula of the cycle compression rate is: Among them, T Y is the priority rate running time, T z is the gas cycle operation time, V Z is the gas consumption in the cycle, V M is the full tank gas storage difference, V K is the empty tank gas storage difference, S Y is the priority compression rate, S Z is the cycle compression rate.

5. The air compressor power control system based on output demand detection is characterized in that: The air compressor power control method based on output demand detection applied to any one of claims 1 to 4 comprises: The air compression system model creation module is used to obtain the production area building drawings and equipment deployment drawings to create the production area BIM model in the building information program, and import the production area BIM model into the thermal fluid simulation program to create the air compression system model; the gas consumption parameter time analysis module is used to receive the production plan information of the production area to determine the gas consumption parameter time information of each gas consumption device; A gas demand time analysis module, which is used to input the time information of each gas consumption parameter into the air compression system model, calculate the terminal gas consumption and transmission loss in different time periods, and then calculate the gas demand value to generate the gas demand time information; An air compression control module, for generating an air compression control instruction based on the gas demand time information and the attribute information of the compressor unit and the gas storage device, and sending the instruction to the controllers of the compressor unit, the gas storage device and the gas transmission pipeline; The production area BIM model includes three-dimensional models and attribute information of compressor units, gas storage devices, gas pipelines, and gas-using devices; the gas consumption parameter time information records the gas pressure and gas consumption in several future time periods.

6. The air compressor power control system based on output demand detection according to claim 5, characterized in that: The air compression system model creation module includes: The transfer status marking submodule is used to obtain the production area building drawings and equipment deployment drawings to determine the production area deployment location and deployment restriction information of each gas-using device, and mark the transfer status information of the gas-using device based on the deployment restriction information; The preliminary BIM model generation submodule is used to preliminarily deploy the gas pipeline based on the production area deployment locations of the compressor units and the non-transferable gas-using devices, as well as the gas pressure values ​​of the gas-using devices, and create a preliminary BIM model of the production area in the building information program; The production area BIM model generation submodule is used to plan the deployment positions of each transferable gas-using device in the production area primary BIM model according to the gas pressure value and deployment restriction information of each transferable gas-using device, so as to update the deployment status of the gas transmission pipeline and generate the production area BIM model; The equipment deployment drawing records the compressor unit, the production area deployment location of each gas-using device, deployment restriction information and attribute information; the transfer status information includes transferable and non-transferable.

7. The air compressor power control system based on output demand detection according to claim 5, characterized in that: The gas demand time analysis module includes: A terminal gas consumption determination submodule, used for inputting the time information of each gas consumption parameter into the air compression system model, and determining the terminal gas consumption of each gas-using device in different time periods based on the time information of each gas consumption parameter; The transmission loss determination submodule is used to calculate the transmission loss of each gas-consuming device based on the terminal gas consumption, gas pressure value and attribute information of the corresponding gas transmission pipeline section of each gas-consuming device; A gas demand time information generation submodule is used to calculate the gas demand value of the air compression system in different time periods based on the terminal gas consumption and transmission loss of each gas-consuming device to generate the gas demand time information; The gas usage parameter time information records the gas pressure and gas usage in several future time periods.

8. The air compressor power control system based on output demand detection according to claim 5, characterized in that: The air compression control module comprises: An available gas storage capacity determination submodule is used to calculate the periodic gas consumption of a gas consumption cycle based on the gas demand time information, and determine the available gas storage capacity based on the attribute information of the gas storage device; The priority rate operation time calculation submodule is used to determine the priority compression rate corresponding to the highest energy efficiency ratio based on the attribute information of the compressor unit. When the priority compression rate is greater than the average gas consumption rate of the current gas consumption cycle, the priority rate operation time is calculated based on the full tank gas storage difference, the cycle gas consumption and the priority compression rate. The cycle compression rate calculation submodule is used to calculate the corresponding cycle compression rate based on the empty tank gas storage difference, cycle gas consumption and gas cycle operation time when the priority compression rate is less than the average gas consumption rate of the current gas consumption cycle; The air compression control instruction generation submodule is used to generate an air compression control instruction based on the priority compression rate and the priority rate running time when the priority compression rate is greater than the average gas usage rate of the current gas usage cycle, and to generate an air compression control instruction based on the gas usage cycle running time and the cycle compression rate when the priority compression rate is less than the average gas usage rate of the current gas usage cycle; The attribute information of the gas storage device includes the upper limit gas storage capacity, the lower limit gas storage capacity and the available gas storage capacity; the full tank gas storage difference refers to the difference between the upper limit gas storage capacity and the available gas storage capacity, and the empty tank gas storage difference refers to the difference between the available gas storage capacity and the lower limit gas storage capacity; the compression rate refers to the amount of air compressed by the compressor unit per unit time; The calculation formula of the priority rate running time is: The calculation formula of the cycle compression rate is: Among them, T Y is the priority rate running time, T Z is the gas cycle operation time, V Z is the gas consumption in the cycle, V M is the full tank gas storage difference, V K is the empty tank gas storage difference, S Y is the priority compression rate, S Z is the cycle compression rate.

9. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the air compressor power control method based on output demand detection as described in any one of claims 1 to 4 are implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the air compressor power control method based on output demand detection as claimed in any one of claims 1 to 4 are implemented.

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