US2023366574A1PendingUtilityA1

Method for Detecting Power Consumption of Multi-Split Air Conditioner, Heat Recovery Multi-Split Air Conditioner, Storage Medium, and Apparatus

Assignee: GD MEDIA HEATING & VENTILATING EQUIPMENT CO LTDPriority: Jan 21, 2021Filed: Jul 20, 2023Published: Nov 16, 2023
Est. expiryJan 21, 2041(~14.5 yrs left)· nominal 20-yr term from priority
F24F 11/30F24F 11/63F24F 2140/60F24F 2140/12F24F 2140/20F24F 3/065F24F 11/46F24F 11/64
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Claims

Abstract

A method for detecting power consumption of a multi-split air conditioner includes acquiring hydraulic device data of a heat recovery multi-split air conditioner and determining a hydraulic device heat absorption value based on the hydraulic device data. The method includes acquiring outdoor unit data, indoor unit data, and power consumption data of the heat recovery multi-split air conditioner; determining a condenser heating capacity and an evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data; and determining indoor unit power consumption and hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity.

Claims

exact text as granted — not AI-modified
1 . A method for detecting power consumption of a multi-split air conditioner, the method comprising:
 acquiring hydraulic device data of a heat recovery multi-split air conditioner and determining a hydraulic device heat absorption value based on the hydraulic device data;   acquiring outdoor unit data, indoor unit data, and power consumption data of the heat recovery multi-split air conditioner;   determining a condenser heating capacity and an evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data; and   determining indoor unit power consumption and hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity.   
     
     
         2 . The method for detecting the power consumption of the multi-split air conditioner according to  claim 1 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 acquiring a current operation mode of the heat recovery multi-split air conditioner; and   determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity.   
     
     
         3 . The method for detecting the power consumption of the multi-split air conditioner according to  claim 2 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 extracting target power consumption data from the power consumption data when the current operation mode of the heat recovery multi-split air conditioner is a predetermined main cooling mode;   determining heating indoor unit power consumption through a first predetermined heating indoor unit power consumption model based on the hydraulic device heat absorption value, the target power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining cooling indoor unit power consumption through a first predetermined cooling indoor unit power consumption model based on the hydraulic device heat absorption value, the target power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining the hydraulic device power consumption through a first predetermined hydraulic device power consumption model based on the hydraulic device heat absorption value, the condenser heating capacity, and the evaporator cooling capacity; and   determining the indoor unit power consumption based on the heating indoor unit power consumption and the cooling indoor unit power consumption.   
     
     
         4 . The method for detecting the power consumption of the multi-split air conditioner according to  claim 2 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 extracting first power consumption data and second power consumption data from the power consumption data when the current operation mode of the heat recovery multi-split air conditioner is a predetermined main cooling mode;   determining heating indoor unit power consumption through a second predetermined heating indoor unit power consumption model based on the hydraulic device heat absorption value, the first power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining cooling indoor unit power consumption through a second predetermined cooling indoor unit power consumption model based on the hydraulic device heat absorption value, the first power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining the hydraulic device power consumption through a second predetermined hydraulic device power consumption model based on the first power consumption data, the second power consumption data, the hydraulic device heat absorption value, the condenser heating capacity, and the evaporator cooling capacity; and   determining the indoor unit power consumption based on the heating indoor unit power consumption and the cooling indoor unit power consumption.   
     
     
         5 . The method for detecting the power consumption of the multi-split air conditioner according to  claim 1 , wherein acquiring the hydraulic device data of the heat recovery multi-split air conditioner and determining the hydraulic device heat absorption value based on the hydraulic device data comprises:
 acquiring the hydraulic device data of the heat recovery multi-split air conditioner, and determining a return gas temperature, a compressor frequency, a compressor displacement, a compressor volumetric efficiency, a condenser outlet temperature, and a return gas pressure of a hydraulic device based on the hydraulic device data;   determining a return gas density and a hydraulic device return gas enthalpy based on the return gas pressure and the return gas temperature;   determining a hydraulic device circulation flow rate based on the compressor frequency, the compressor displacement, the compressor volumetric efficiency, and the return gas density; and   determining a hydraulic device condenser outlet enthalpy based on the condenser outlet temperature, and determining hydraulic device absorption outdoor unit heat quantity based on the hydraulic device condenser outlet enthalpy, the hydraulic device circulation flow rate, and the hydraulic device return gas enthalpy.   
     
     
         6 . The method for detecting the power consumption of the multi-split air conditioner according to  claim 1 , wherein determining the condenser heating capacity and the evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data comprises:
 determining a condenser average inlet enthalpy, a condenser average outlet enthalpy, an evaporator average outlet enthalpy, and an evaporator inlet enthalpy based on the outdoor unit data, the indoor unit data, and the hydraulic device data;   extracting a compressor circulation flow rate of an outdoor unit from the outdoor unit data;   determining the condenser heating capacity based on the compressor circulation flow rate, the condenser average inlet enthalpy, and the condenser average outlet enthalpy; and   determining the evaporator cooling capacity based on the compressor circulation flow rate, the evaporator average outlet enthalpy, and the evaporator inlet enthalpy.   
     
     
         7 . The method for detecting the power consumption of the multi-split air conditioner according to  claim 6 , wherein determining the condenser average inlet enthalpy, the condenser average outlet enthalpy, the evaporator average outlet enthalpy, and the evaporator inlet enthalpy based on the outdoor unit data, the indoor unit data, and the hydraulic device data comprises:
 extracting a compressor return gas pressure, an external heat exchanger inlet temperature, an external heat exchanger outlet temperature, and a compressor exhaust pressure of an outdoor unit from the outdoor unit data;   extracting a heat exchanger inlet temperature of a heating indoor unit, an outlet temperature of the heating indoor unit, and an outlet temperature of a cooling indoor unit from the indoor unit data;   extracting a heat exchanger inlet temperature of a hydraulic device and a heat exchanger outlet temperature of the hydraulic device from the hydraulic device data;   determining the condenser average inlet enthalpy based on the heat exchanger inlet temperature of the hydraulic device, the heat exchanger inlet temperature of the heating indoor unit, the external heat exchanger inlet temperature, and the compressor exhaust pressure;   determining the condenser average outlet enthalpy based on the heat exchanger outlet temperature of the hydraulic device, the outlet temperature of the heating indoor unit, and the external heat exchanger outlet temperature, and determining the condenser average outlet enthalpy as the evaporator inlet enthalpy; and   determining the evaporator average outlet enthalpy based on the cooling indoor unit outlet temperature and the compressor return gas pressure.   
     
     
         8 . A heat recovery multi-split air conditioner, comprising:
 a memory;   a processor; and   a multi-split air conditioner power consumption detection program stored in the memory and executable on the processor,   wherein the multi-split air conditioner power consumption detection program is configured to be executed by the processor, the multi-split air conditioner power consumption detection program including instructions for:
 acquiring hydraulic device data of a heat recovery multi-split air conditioner and determining a hydraulic device heat absorption value based on the hydraulic device data; 
 acquiring outdoor unit data, indoor unit data, and power consumption data of the heat recovery multi-split air conditioner; 
 determining a condenser heating capacity and an evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data; and 
 determining indoor unit power consumption and hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity. 
   
     
     
         9 . The heat recovery multi-split air conditioner according to  claim 8 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 acquiring a current operation mode of the heat recovery multi-split air conditioner; and   determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity.   
     
     
         10 . The heat recovery multi-split air conditioner according to  claim 9 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 extracting target power consumption data from the power consumption data when the current operation mode of the heat recovery multi-split air conditioner is a predetermined main cooling mode;   determining heating indoor unit power consumption through a first predetermined heating indoor unit power consumption model based on the hydraulic device heat absorption value, the target power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining cooling indoor unit power consumption through a first predetermined cooling indoor unit power consumption model based on the hydraulic device heat absorption value, the target power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining the hydraulic device power consumption through a first predetermined hydraulic device power consumption model based on the hydraulic device heat absorption value, the condenser heating capacity, and the evaporator cooling capacity; and   determining the indoor unit power consumption based on the heating indoor unit power consumption and the cooling indoor unit power consumption.   
     
     
         11 . The heat recovery multi-split air conditioner according to  claim 9 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 extracting first power consumption data and second power consumption data from the power consumption data when the current operation mode of the heat recovery multi-split air conditioner is a predetermined main cooling mode;   determining heating indoor unit power consumption through a second predetermined heating indoor unit power consumption model based on the hydraulic device heat absorption value, the first power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining cooling indoor unit power consumption through a second predetermined cooling indoor unit power consumption model based on the hydraulic device heat absorption value, the first power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining the hydraulic device power consumption through a second predetermined hydraulic device power consumption model based on the first power consumption data, the second power consumption data, the hydraulic device heat absorption value, the condenser heating capacity, and the evaporator cooling capacity; and   determining the indoor unit power consumption based on the heating indoor unit power consumption and the cooling indoor unit power consumption.   
     
     
         12 . The heat recovery multi-split air conditioner according to  claim 8 , wherein acquiring the hydraulic device data of the heat recovery multi-split air conditioner and determining the hydraulic device heat absorption value based on the hydraulic device data comprises:
 acquiring the hydraulic device data of the heat recovery multi-split air conditioner, and determining a return gas temperature, a compressor frequency, a compressor displacement, a compressor volumetric efficiency, a condenser outlet temperature, and a return gas pressure of a hydraulic device based on the hydraulic device data;   determining a return gas density and a hydraulic device return gas enthalpy based on the return gas pressure and the return gas temperature;   determining a hydraulic device circulation flow rate based on the compressor frequency, the compressor displacement, the compressor volumetric efficiency, and the return gas density; and   determining a hydraulic device condenser outlet enthalpy based on the condenser outlet temperature, and determining hydraulic device absorption outdoor unit heat quantity based on the hydraulic device condenser outlet enthalpy, the hydraulic device circulation flow rate, and the hydraulic device return gas enthalpy.   
     
     
         13 . The heat recovery multi-split air conditioner according to  claim 8 , wherein determining the condenser heating capacity and the evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data comprises:
 determining a condenser average inlet enthalpy, a condenser average outlet enthalpy, an evaporator average outlet enthalpy, and an evaporator inlet enthalpy based on the outdoor unit data, the indoor unit data, and the hydraulic device data;   extracting a compressor circulation flow rate of an outdoor unit from the outdoor unit data;   determining the condenser heating capacity based on the compressor circulation flow rate, the condenser average inlet enthalpy, and the condenser average outlet enthalpy; and   determining the evaporator cooling capacity based on the compressor circulation flow rate, the evaporator average outlet enthalpy, and the evaporator inlet enthalpy.   
     
     
         14 . The heat recovery multi-split air conditioner according to  claim 13 , wherein determining the condenser average inlet enthalpy, the condenser average outlet enthalpy, the evaporator average outlet enthalpy, and the evaporator inlet enthalpy based on the outdoor unit data, the indoor unit data, and the hydraulic device data comprises:
 extracting a compressor return gas pressure, an external heat exchanger inlet temperature, an external heat exchanger outlet temperature, and a compressor exhaust pressure of an outdoor unit from the outdoor unit data;   extracting a heat exchanger inlet temperature of a heating indoor unit, an outlet temperature of the heating indoor unit, and an outlet temperature of a cooling indoor unit from the indoor unit data;   extracting a heat exchanger inlet temperature of a hydraulic device and a heat exchanger outlet temperature of the hydraulic device from the hydraulic device data;   determining the condenser average inlet enthalpy based on the heat exchanger inlet temperature of the hydraulic device, the heat exchanger inlet temperature of the heating indoor unit, the external heat exchanger inlet temperature, and the compressor exhaust pressure;   determining the condenser average outlet enthalpy based on the heat exchanger outlet temperature of the hydraulic device, the outlet temperature of the heating indoor unit, and the external heat exchanger outlet temperature, and determining the condenser average outlet enthalpy as the evaporator inlet enthalpy; and   determining the evaporator average outlet enthalpy based on the cooling indoor unit outlet temperature and the compressor return gas pressure.   
     
     
         15 . A computer readable storage medium, having a multi-split air conditioner power consumption detection program stored thereon,
 wherein the multi-split air conditioner power consumption detection program, when executed by a processor, cause the processor to:
 acquire hydraulic device data of a heat recovery multi-split air conditioner and determining a hydraulic device heat absorption value based on the hydraulic device data; 
 acquire outdoor unit data, indoor unit data, and power consumption data of the heat recovery multi-split air conditioner; 
 determine a condenser heating capacity and an evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data; and 
 determine indoor unit power consumption and hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity. 
   
     
     
         16 . The computer readable storage medium according to  claim 15 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 acquiring a current operation mode of the heat recovery multi-split air conditioner; and   determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity.   
     
     
         17 . The computer readable storage medium according to  claim 16 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 extracting target power consumption data from the power consumption data when the current operation mode of the heat recovery multi-split air conditioner is a predetermined main cooling mode;   determining heating indoor unit power consumption through a first predetermined heating indoor unit power consumption model based on the hydraulic device heat absorption value, the target power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining cooling indoor unit power consumption through a first predetermined cooling indoor unit power consumption model based on the hydraulic device heat absorption value, the target power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining the hydraulic device power consumption through a first predetermined hydraulic device power consumption model based on the hydraulic device heat absorption value, the condenser heating capacity, and the evaporator cooling capacity; and   determining the indoor unit power consumption based on the heating indoor unit power consumption and the cooling indoor unit power consumption.   
     
     
         18 . The computer readable storage medium according to  claim 16 , wherein determining the indoor unit power consumption and the hydraulic device power consumption based on the current operation mode, the hydraulic device heat absorption value, the power consumption data, the condenser heating capacity, and the evaporator cooling capacity comprises:
 extracting first power consumption data and second power consumption data from the power consumption data when the current operation mode of the heat recovery multi-split air conditioner is a predetermined main cooling mode;   determining heating indoor unit power consumption through a second predetermined heating indoor unit power consumption model based on the hydraulic device heat absorption value, the first power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining cooling indoor unit power consumption through a second predetermined cooling indoor unit power consumption model based on the hydraulic device heat absorption value, the first power consumption data, the condenser heating capacity, and the evaporator cooling capacity;   determining the hydraulic device power consumption through a second predetermined hydraulic device power consumption model based on the first power consumption data, the second power consumption data, the hydraulic device heat absorption value, the condenser heating capacity, and the evaporator cooling capacity; and   determining the indoor unit power consumption based on the heating indoor unit power consumption and the cooling indoor unit power consumption.   
     
     
         19 . The computer readable storage medium according to  claim 15 , wherein acquiring the hydraulic device data of the heat recovery multi-split air conditioner and determining the hydraulic device heat absorption value based on the hydraulic device data comprises:
 acquiring the hydraulic device data of the heat recovery multi-split air conditioner, and determining a return gas temperature, a compressor frequency, a compressor displacement, a compressor volumetric efficiency, a condenser outlet temperature, and a return gas pressure of a hydraulic device based on the hydraulic device data;   determining a return gas density and a hydraulic device return gas enthalpy based on the return gas pressure and the return gas temperature;   determining a hydraulic device circulation flow rate based on the compressor frequency, the compressor displacement, the compressor volumetric efficiency, and the return gas density; and   determining a hydraulic device condenser outlet enthalpy based on the condenser outlet temperature, and determining hydraulic device absorption outdoor unit heat quantity based on the hydraulic device condenser outlet enthalpy, the hydraulic device circulation flow rate, and the hydraulic device return gas enthalpy.   
     
     
         20 . The computer readable storage medium according to  claim 15 , wherein determining the condenser heating capacity and the evaporator cooling capacity based on the outdoor unit data, the indoor unit data, and the hydraulic device data comprises:
 determining a condenser average inlet enthalpy, a condenser average outlet enthalpy, an evaporator average outlet enthalpy, and an evaporator inlet enthalpy based on the outdoor unit data, the indoor unit data, and the hydraulic device data;   extracting a compressor circulation flow rate of an outdoor unit from the outdoor unit data;   determining the condenser heating capacity based on the compressor circulation flow rate, the condenser average inlet enthalpy, and the condenser average outlet enthalpy; and   determining the evaporator cooling capacity based on the compressor circulation flow rate, the evaporator average outlet enthalpy, and the evaporator inlet enthalpy.

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