WO2023050907A1 - 一种转速控制方法、系统、设备及存储介质 - Google Patents
一种转速控制方法、系统、设备及存储介质 Download PDFInfo
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- WO2023050907A1 WO2023050907A1 PCT/CN2022/099796 CN2022099796W WO2023050907A1 WO 2023050907 A1 WO2023050907 A1 WO 2023050907A1 CN 2022099796 W CN2022099796 W CN 2022099796W WO 2023050907 A1 WO2023050907 A1 WO 2023050907A1
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- 238000003062 neural network model Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000013528 artificial neural network Methods 0.000 claims description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/16—Lubrication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/18—Optimization, e.g. high integration of refrigeration components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
Definitions
- the invention relates to the technical field of heat pump system control, in particular to a speed control method, system, equipment and storage medium.
- the purpose of the present invention is to provide a rotational speed control method, system, equipment and storage medium to improve the technical problem in the prior art that automatic control of the rotational speed of the compressor cannot be performed.
- the present invention provides a speed control method, which is applied to a heat pump system.
- the heat pump system includes an electronic flow regulating valve and a compressor, and temperature sensors are arranged on both sides of the electronic flow regulating valve. and a pressure sensor, the speed control method includes:
- the temperature ratio data and the pressure ratio data are respectively matched with the preset conditions of each pre-trained oil content prediction model, and if the matching is successful, the temperature ratio data and the pressure ratio data are input into the matching obtained Oil content prediction model to obtain predicted oil content data;
- the rotational speed of the compressor is controlled according to the predicted oil content data.
- the step of collecting the actual data of the temperature sensor and the pressure sensor, and processing to obtain the temperature ratio data and the pressure ratio data includes:
- the temperature ratio data and the pressure ratio data are respectively matched with the preset conditions of each pre-trained oil content prediction model, and if the matching is successful, the temperature ratio data Input and match the oil content prediction model obtained with the pressure ratio data, and the steps of obtaining the predicted oil content data include:
- the step of matching and obtaining a corresponding oil content prediction model according to the temperature ratio data and the pressure ratio data further includes:
- the temperature ratio data and the pressure ratio data at the same time constitute one sample data.
- the four types of sample data include:
- the second type of sample data that conforms to the pressure ratio range but does not conform to the first temperature ratio range;
- the third type of sample data that does not meet the pressure ratio range but meets the second temperature ratio range;
- the fourth type of sample data does not conform to the pressure ratio range and the second temperature ratio range.
- the step of controlling the rotation speed of the compressor according to the predicted oil content data includes:
- a rotation speed control system is also disclosed, which is applied to a heat pump system.
- the system includes an electronic flow regulating valve and a compressor. Both sides of the electronic flow regulating valve are provided with temperature sensors and pressure sensors.
- the speed control system includes:
- Ratio data acquisition module used to collect the actual data of the temperature sensor and the pressure sensor, and process to obtain temperature ratio data and pressure ratio data;
- An oil content prediction model acquisition module configured to match and obtain a corresponding oil content prediction model according to the temperature ratio data and the pressure ratio data;
- a predicted oil content data acquisition module configured to input the temperature ratio data and the pressure ratio data into the matched oil content prediction model to obtain predicted oil content data
- a rotational speed control module configured to control the rotational speed of the compressor according to the predicted oil content data.
- a computer device including a processor, the processor is coupled to a memory, the memory stores program instructions, and when the program instructions stored in the memory are executed by the processor, the The speed control method mentioned above.
- a computer-readable storage medium including a program, which, when running on a computer, causes the computer to execute the above method for controlling the rotational speed.
- the speed control method, system, equipment, and storage medium obtained four oil content prediction models through a large amount of data training, so that the heat pump system can predict the oil content of the compressor according to the readings of the temperature sensor and the pressure sensor.
- the quantity is predicted, and further according to the predicted oil content of the compressor, the speed of the compressor is automatically controlled, which realizes the automatic control of the compressor, prevents the oil shortage of the compressor, and improves the safety of the heat pump system.
- FIG. 1 is a schematic structural diagram of a heat pump system in an embodiment of the present invention.
- FIG. 2 is a schematic flowchart of an embodiment of the rotational speed control method of the present invention.
- FIG. 3 is a schematic structural diagram of an embodiment of the rotational speed control system of the present invention.
- FIG. 4 is a schematic structural diagram of a computer device of the present invention in an embodiment.
- Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.
- the present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
- the terminology used in the embodiments of the present invention is for describing specific implementations, not for limiting the protection scope of the present invention.
- the test methods for which specific conditions are not indicated in the following examples are usually in accordance with conventional conditions, or in accordance with the conditions suggested by each manufacturer.
- a heat pump is a high-efficiency energy-saving device that makes full use of low-grade heat energy.
- Heat can be spontaneously transferred from a high-temperature object to a low-temperature object, but it cannot be spontaneously carried out in the opposite direction; the working principle of the heat pump is to force heat from a low temperature to
- the heat pump system includes a compressor 1, a condenser 2, an electronic expansion valve 3, an evaporator 4, a gas-liquid separator 5 and an electronic flow regulating valve 6 arranged in sequence along the flow direction of the refrigerant, and the electronic flow regulating The valve 6 is set on the low-pressure return air side of the compressor 1.
- the front end of the electronic flow regulating valve 6 is provided with a sensor combination PT2
- the rear end of the electronic flow regulating valve 6 is provided with a sensor combination PT1.
- Both the sensor combination PT1 and the sensor combination PT2 include a temperature sensor and a pressure sensor, and in another preferred embodiment, the electronic flow regulating valve 6 can adopt a short throttle tube, an electronic expansion valve or a thermal expansion valve. any kind.
- FIG. 1 shows a schematic flow chart of a speed control method in this embodiment.
- the speed control method includes:
- Step S100 collecting the actual data of sensor combination PT1 and sensor combination PT2, and processing to obtain temperature ratio data and pressure ratio data;
- Step S100 specifically includes:
- Step S200 according to the temperature ratio data T2/T1 and the pressure ratio data P2/P1, matching to obtain the corresponding oil content prediction model;
- step S200 first judge whether the pressure ratio data P2/P1 conforms to the preset pressure ratio range (0, A); when the pressure ratio data P2/P1 conforms to the pressure ratio range (0, A), continue to judge the temperature ratio range Whether T2/T1 conforms to the preset first temperature ratio range (0, B): if yes, match to the corresponding first oil content prediction model; if not, match to the corresponding second oil content prediction model;
- the pressure ratio range (0, A), the first temperature ratio range (0, B), and the second temperature ratio range (0, C) are determined according to actual conditions.
- A can be 3
- B can be 4
- C can be 3.
- step S200 also includes a training method for the oil content prediction model, including:
- the temperature ratio data and the pressure ratio data at the same moment constitute a sample data; according to the pressure ratio range (0, A), the first temperature ratio range (0, B) and the second temperature ratio range (0, C), Classify the sample data to obtain four types of sample data.
- these four types of sample data include:
- the third type of sample data that does not conform to the pressure ratio range (0, A) but conforms to the second temperature ratio range (0, C);
- the fourth type of sample data does not meet the pressure ratio range (0, A) and the second temperature ratio range (0, C).
- the neural network model used in this embodiment can be a support vector regression model. It should be noted that the present invention does not limit the type of neural network model, and only needs to be able to obtain corresponding predicted oil content data according to the input test set data That's it.
- step S100 After processing and obtaining actual temperature ratio data T2/T1 and pressure ratio data P2/P1 in step S100, according to the pressure ratio range (0, A), the first temperature ratio range (0, B) and the second temperature ratio range ( 0, C), determine the type of sample data that the actual temperature ratio data T2/T1 and pressure ratio data P2/P1 conform to, and further match to obtain the corresponding oil content prediction model, for example, when the actual temperature ratio data T2/T1 and When the pressure ratio data P2/P1 does not conform to the pressure ratio range (0, A), but conforms to the second temperature ratio range (0, C), the third oil content prediction model is matched.
- Step S300 input the temperature ratio data T2/T1 and pressure ratio data P2/P1 into the oil content prediction model obtained by matching, and obtain the predicted oil content data;
- Step S400 controlling the rotation speed of the compressor 1 according to the predicted oil content data.
- Step S400 specifically includes:
- oil content range (1, D) is determined according to actual conditions, and in a preferred embodiment, D may be 7.
- this embodiment also includes a rotational speed control system 100, which is applied to the heat pump system described above, and the rotational speed control system includes:
- the ratio data acquisition module 110 is used to collect the actual data of the temperature sensor and the pressure sensor in the sensor combination PT1 and the sensor combination PT2, and process and obtain the temperature ratio data and the pressure ratio data;
- the oil content prediction model acquisition module 120 is used to match and obtain the corresponding oil content prediction model according to the temperature ratio data and the pressure ratio data;
- the predicted oil content data acquisition module 130 is used to input the temperature ratio data and the pressure ratio data into the matched oil content prediction model to obtain the predicted oil content data;
- the rotational speed control module 140 is used for controlling the rotational speed of the compressor according to the predicted oil content data.
- a computer device 200 is also included, including a processor 210.
- the processor 210 is coupled to a memory 220.
- the memory 220 stores program instructions. When the program instructions stored in the memory 220 are stored by the processor 210 Implement the upper speed control method when executing.
- Processor 210 can be a general-purpose processor, including a central processing unit (Central Processing Unit, referred to as CPU), a network processor (Network Processor, referred to as NP), etc.; it can also be a digital signal processor (Digital Signal Processing, referred to as DSP), Application Specific Integrated Circuit (ASIC for short), Field Programmable Gate Array (Field-Programmable Gate Array, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components; the memory 220 It may include random access memory (Random Access Memory, RAM for short), and may also include non-volatile memory (Non-Volatile Memory), such as at least one disk memory.
- CPU Central Processing Unit
- NP Network Processor
- DSP Digital Signal Processing
- ASIC Application Specific Integrated Circuit
- FPGA Field-Programmable Gate Array
- the memory 220 It may include random access memory (Random Access Memory, RAM for short), and may also include non-volatile memory (Non-Volatile
- the memory 220 can also be an internal memory of a random access memory (Random Access Memory, RAM) type, and the processor 210 and the memory 220 can be integrated into one or more independent circuits or hardware, such as: ASIC ( Application Specific Integrated Circuit, ASIC).
- ASIC Application Specific Integrated Circuit
- the computer program in the above-mentioned memory 220 may be implemented in the form of a software function unit and sold or used as an independent product, and may be stored in a computer-readable storage medium.
- the essence of the technical solution of the present invention or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including several
- the instructions are used to make a computer device (which may be a personal computer, an electronic device, or a network device, etc.) execute all or part of the steps of the methods in various embodiments of the present invention.
- it also includes a computer-readable storage medium, including a program, which, when running on the computer, causes the computer to execute the above method for controlling the rotational speed.
- the speed control method, system, equipment, and storage medium obtained four oil content prediction models through a large amount of data training, so that the heat pump system can predict the oil content of the compressor according to the readings of the temperature sensor and the pressure sensor.
- the quantity is predicted, and further according to the predicted oil content of the compressor, the speed of the compressor is automatically controlled, which realizes the automatic control of the compressor, prevents the oil shortage of the compressor, and improves the safety of the heat pump system. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial application value.
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Abstract
Description
Claims (10)
- 一种转速控制方法,其特征在于,应用于热泵系统,所述热泵系统包括电子流量调节阀和压缩机,所述电子流量调节阀的两侧均设置有温度传感器和压力传感器,所述转速控制方法包括:采集所述温度传感器和所述压力传感器的实际数据,并处理得到温度比值数据和压力比值数据;将所述温度比值数据和所述压力比值数据分别与每个预训练的含油量预测模型的预设条件相匹配,匹配成功,则将所述温度比值数据和所述压力比值数据输入匹配得到的含油量预测模型,得到预测含油量数据;根据所述预测含油量数据控制所述压缩机的转速。
- 根据权利要求1所述的转速控制方法,其特征在于,所述采集所述温度传感器和所述压力传感器的实际数据,并处理得到温度比值数据和压力比值数据的步骤包括:采集得到所述温度传感器和所述压力传感器的实际数据;沿着所述热泵系统中冷媒流动的方向,将所述电子流量调节阀前侧的温度传感器的实际数据与后侧的温度传感器的实际数据相除,得到所述温度比值数据;将所述电子流量调节阀前侧的压力传感器的实际数据与后侧的压力传感器的实际数据相除,得到所述压力比值数据。
- 根据权利要求1所述的转速控制方法,其特征在于,所述将所述温度比值数据和所述压力比值数据分别与每个预训练的含油量预测模型的预设条件相匹配,匹配成功,则将所述温度比值数据和所述压力比值数据输入匹配得到的含油量预测模型,得到预测含油量数据的步骤包括:判断所述压力比值数据是否符合预设的压力比值范围;在所述压力比值数据符合所述压力比值范围时,继续判断所述温度比值范围是否符合预设的第一温度比值范围:若是,则匹配到对应的第一个含油量预测模型;若否,则匹配到对应的第二个含油量预测模型;在所述压力比值数据不符合所述压力比值范围时,继续判断所述温度比值范围是否符合预设的第二温度比值范围;若是,则匹配到对应的第三个含油量预测模型;若否,则匹配到对应的第四个含油量预测模型;将所述温度比值数据和所述压力比值数据输入匹配得到的含油量预测模型,得到预测含油量数据。
- 根据权利要求3所述的转速控制方法,其特征在于,所述根据所述温度比值数据和所述压力比值数据,匹配得到对应的含油量预测模型的步骤还包括:采集以往多个时刻下所述温度传感器和所述压力传感器的实际数据,以及所述压缩机的实际含油量数据,并处理得到多组温度比值数据和压力比值数据,作为样本数据;根据所述压力比值范围、所述第一温度比值范围和所述第二温度比值范围,将所述样本数据进行分类,得到四类样本数据;针对分类后的每一类样本数据:将其随机划分为训练集和测试集;根据所述训练集训练神经网络模型,得到训练好的神经网络模型;将所述测试集输入训练好的神经网络模型,得到对应的预测含油量数据;当所述预测含油量数据符合所述实际含油量数据的概率达到预设的阈值时,将训练好的神经网络模型确定为最终的含油量预测模型。
- 根据权利要求4述的转速控制方法,其特征在于,同一时刻下的所述温度比值数据和所述压力比值数据组成一个样本数据。
- 根据权利要求4所述的转速控制方法,其特征在于,四类所述样本数据包括:符合所述压力比值范围和所述第一温度比值范围的第一类样本数据;符合所述压力比值范围,不符合所述第一温度比值范围的第二类样本数据;不符合所述压力比值范围,符合所述第二温度比值范围的第三类样本数据;不符合所述压力比值范围和所述第二温度比值范围的第四类样本数据。
- 根据权利要求1所述的转速控制方法,其特征在于,所述根据所述预测含油量数据控制所述压缩机的转速的步骤包括:判断所述预测含油量数据是否符合预设的含油量范围;若是,则按照一预设的数值提升所述压缩机的转速;若否,则控制所述压缩机的转速不变。
- 一种转速控制系统,其特征在于,应用于热泵系统,所述系统包括电子流量调节阀和压缩机,所述电子流量调节阀的两侧均设置有温度传感器和压力传感器,所述转速控制系统包括:比值数据采集模块,用于采集所述温度传感器和所述压力传感器的实际数据,并处理得到温度比值数据和压力比值数据;含油量预测模型获取模块,用于根据所述温度比值数据和所述压力比值数据,匹配得到对应的含油量预测模型;预测含油量数据获取模块,用于将所述温度比值数据和所述压力比值数据输入匹配得到的含油量预测模型,得到预测含油量数据;转速控制模块,用于根据所述预测含油量数据控制所述压缩机的转速。
- 一种计算机设备,其特征在于,包括处理器,所述处理器和存储器耦合,所述存储器存储有程序指令,当所述存储器存储的程序指令被所述处理器执行时实现权利要求1-7中任意一项所述的转速控制方法。
- 一种计算机可读的存储介质,其特征在于,包括程序,当其在计算机上运行时,使得计算机执行如权利要求1-7任意一项所述的转速控制方法。
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