Method and system for controlling air conditioner, air conditioner, device, and medium

Abstract

A control method includes obtaining an operation state of an air conditioner, determining, in response to the operation state of the air conditioner being a power consumption reduction response state, whether a power consumption reduction target of the air conditioner is reached by limiting an output of an outdoor unit of the air conditioner, and performing a power consumption reduction control on an indoor unit of the air conditioner in response to determining that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit.

What is claimed is: 
     
         1 . A control method comprising:
 obtaining an operation state of an air conditioner;   determining, in response to the operation state of the air conditioner being a power consumption reduction response state, whether a power consumption reduction target of the air conditioner is reached by limiting an output of an outdoor unit of the air conditioner; and   performing a power consumption reduction control on an indoor unit of the air conditioner in response to determining that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit.   
     
     
         2 . The method according to  claim 1 , wherein determining whether the power consumption reduction target of the air conditioner is reached by limiting the output of the outdoor unit includes:
 comparing a real-time power of the air conditioner with a predetermined power, the predetermined power being determined based on a power consumption reduction target value; and   determining that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit in response to the real-time power being equal to or greater than the predetermined power.   
     
     
         3 . The method according to  claim 1 , wherein determining whether the power consumption reduction target of the air conditioner is reached by limiting the output of the outdoor unit includes:
 comparing a real-time power of the air conditioner with a predetermined power, the predetermined power being determined based on a power consumption reduction target value;   determining whether the outdoor unit reaches a power consumption reduction limit based on an operation parameter of the outdoor unit in response to the real-time power being equal to or greater than the predetermined power; and   determining that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit in response to the outdoor unit having reached the power consumption reduction limit.   
     
     
         4 . The method according to  claim 1 , further comprising, subsequent to obtaining the operation state of the air conditioner:
 determining whether the air conditioner satisfies at least one condition including at least one of:
 the operation state of the air conditioner being not the power consumption reduction response state; and 
 a real-time power of the air conditioner being smaller than a predetermined power; 
   determining whether the indoor unit is in a power consumption reduction control state in response to the air conditioner satisfying the at least one condition; and   restoring the indoor unit to a default control in response to the indoor unit being in the power consumption reduction control state.   
     
     
         5 . The method according to  claim 4 , wherein the at least one condition further includes an operation parameter of the outdoor unit being greater than a predetermined parameter value. 
     
     
         6 . The method according to  claim 1 , wherein performing the power consumption reduction control on the indoor unit includes:
 in response to the air conditioner being in a heating mode:
 turning off an electric heating output of the indoor unit, determining whether the power consumption reduction target of the air conditioner is reached after the electric heating output of the indoor unit is turned off, and, in response to determining that the power consumption reduction target of the air conditioner is not reached, adjusting a fan level of the indoor unit to a lowest fan level; or 
 gradually reducing the electric heating output of the indoor unit until the electric heating output is turned off, determining whether the power consumption reduction target of the air conditioner is reached in a process of gradually reducing the electric heating output of the indoor unit until the electric heating output is turned off, and, in response to determining that the power consumption reduction target of the air conditioner is not reached, gradually reducing the fan level of the indoor unit until the power consumption reduction target of the air conditioner is reached or until the fan level of the indoor unit is adjusted to the lowest fan level; and 
   in response to the air conditioner not being in the heating mode:
 adjusting the fan level of the indoor unit to the lowest fan level; or 
 gradually reducing the fan level of the indoor unit until the power consumption reduction target of the air conditioner is reached or until the fan level of the indoor unit is adjusted to the lowest fan level. 
   
     
     
         7 . The method according to  claim 1 , further comprising, in response to the operation state of the air conditioner being the power consumption reduction response state:
 obtaining an indoor temperature;   determining, based on the indoor temperature, whether a comfort index is satisfied; and   controlling, in response to the comfort index not being satisfied, the operation state of the air conditioner to switch from the power consumption reduction response state to a special power consumption reduction response state, in which the air conditioner is controlled to operate based on the comfort index until an exit condition of the special power consumption reduction response state is satisfied.   
     
     
         8 . The method according to  claim 7 , wherein determining, based on the indoor temperature, whether the comfort index is satisfied includes:
 obtaining a comfort control index temperature and a hysteresis error control temperature;   obtaining a comfort threshold temperature based on a set temperature of the air conditioner and the comfort control index temperature;   obtaining an over-comfort temperature based on the set temperature of the air conditioner, the comfort control index temperature, and the hysteresis error control temperature; and   determining whether the indoor temperature satisfies the comfort index based on a magnitude relationship between the indoor temperature and each of the comfort threshold temperature and the over-comfort temperature.   
     
     
         9 . The method according to  claim 8 , wherein in response to the air conditioner being in a cooling mode, determining whether the indoor temperature satisfies the comfort index includes:
 in response to the indoor temperature being lower than the over-comfort temperature, determining that the indoor temperature satisfies the comfort index, the over-comfort temperature=the set temperature of the air conditioner+the comfort control index temperature−the hysteresis error control temperature;   in response to the indoor temperature being equal to or higher than the over-comfort temperature and being lower than the comfort threshold temperature, determining that the indoor temperature is close to the comfort index, the comfort threshold temperature=the set temperature of the air conditioner+the comfort control index temperature; and   in response to the indoor temperature being equal to or greater than the comfort threshold temperature, determining that the indoor temperature fails to satisfy the comfort index.   
     
     
         10 . The method according to  claim 8 , wherein in response to the air conditioner being in a heating mode, determining whether the indoor temperature satisfies the comfort index includes:
 in response to the indoor temperature being greater than the over-comfort temperature, determining that the indoor temperature satisfies the comfort index, the over-comfort temperature=the set temperature of the air conditioner−the comfort control index temperature+the hysteresis error control temperature;   in response to the indoor temperature being equal to or lower than the over-comfort temperature and being greater than the comfort threshold temperature, determining that the indoor temperature is close to the comfort index, the comfort threshold temperature=the set temperature of the air conditioner−the comfort control index temperature; and   in response to the indoor temperature being equal to or lower than the comfort threshold temperature, determining that the indoor temperature fails to satisfy the comfort index.   
     
     
         11 . The method according to  claim 7 , further comprising:
 in response to the indoor temperature satisfying the comfort index, maintaining the operation state of the air conditioner to be the power consumption reduction response state until an exit condition of the power consumption reduction response state is satisfied; or   in response to the indoor temperature being close to the comfort index, limiting the power consumption reduction control of the air conditioner until a limiting exit condition is satisfied.   
     
     
         12 . The method according to  claim 7 , wherein the exit condition of the special power consumption reduction response state includes at least one of:
 receiving a power consumption reduction cancelling command;   receiving a peak shaving command other than the power consumption reduction command; or   a duration of the special power reduction response state reaching a predetermined time length.   
     
     
         13 . A non-transitory computer-readable storage medium storing a computer program that, when executed by a processor, causes the processor to perform the method according to  claim 1 . 
     
     
         14 . An air conditioner comprising:
 an outdoor unit;   an indoor unit;   a memory storing one or more instructions; and   a processor configured to execute the one or more instructions to:
 obtain an operation state of the air conditioner; 
 determine, in response to the operation state of the air conditioner being a power consumption reduction response state, whether a power consumption reduction target of the air conditioner is reached by limiting an output of the outdoor unit; and 
 perform a power consumption reduction control on the indoor unit in response to determining that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit. 
   
     
     
         15 . The air conditioner according to  claim 14 , wherein the processor is further configured to execute the one or more instructions to, when determining whether the power consumption reduction target of the air conditioner is reached by limiting the output of the outdoor unit:
 compare a real-time power of the air conditioner with a predetermined power, the predetermined power being determined based on a power consumption reduction target value; and   determine that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit in response to the real-time power being equal to or greater than the predetermined power.   
     
     
         16 . The air conditioner according to  claim 14 , wherein the processor is further configured to execute the one or more instructions to, when determining whether the power consumption reduction target of the air conditioner is reached by limiting the output of the outdoor unit:
 compare a real-time power of the air conditioner with a predetermined power, the predetermined power being determined based on a power consumption reduction target value;   determine whether the outdoor unit reaches a power consumption reduction limit based on an operation parameter of the outdoor unit in response to the real-time power being equal to or greater than the predetermined power; and   determine that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit in response to the outdoor unit having reached the power consumption reduction limit.   
     
     
         17 . The air conditioner according to  claim 14 , wherein the processor is further configured to execute the one or more instructions to, subsequent to obtaining the operation state of the air conditioner:
 determine whether the air conditioner satisfies at least one condition including at least one of:
 the operation state of the air conditioner being not the power consumption reduction response state; and 
 a real-time power of the air conditioner being smaller than a predetermined power; 
   determine whether the indoor unit is in a power consumption reduction control state in response to the air conditioner satisfying the at least one condition; and   restore the indoor unit to a default control in response to the indoor unit being in the power consumption reduction control state.   
     
     
         18 . The air conditioner according to  claim 17 , wherein the at least one condition further includes an operation parameter of the outdoor unit being greater than a predetermined parameter value. 
     
     
         19 . The air conditioner according to  claim 14 , wherein the processor is further configured to execute the one or more instructions to, when performing the power consumption reduction control on the indoor unit includes:
 in response to the air conditioner being in a heating mode:
 turn off an electric heating output of the indoor unit, determine whether the power consumption reduction target of the air conditioner is reached after the electric heating output of the indoor unit is turned off, and, in response to determining that the power consumption reduction target of the air conditioner is not reached, adjust a fan level of the indoor unit to a lowest fan level; or 
 gradually reduce the electric heating output of the indoor unit until the electric heating output is turned off, determine whether the power consumption reduction target of the air conditioner is reached in a process of gradually reducing the electric heating output of the indoor unit until the electric heating output is turned off, and, in response to determining that the power consumption reduction target of the air conditioner is not reached, gradually reduce the fan level of the indoor unit until the power consumption reduction target of the air conditioner is reached or until the fan level of the indoor unit is adjusted to the lowest fan level; and 
   in response to the air conditioner not being in the heating mode:
 adjust the fan level of the indoor unit to the lowest fan level; or 
 gradually reduce the fan level of the indoor unit until the power consumption reduction target of the air conditioner is reached or until the fan level of the indoor unit is adjusted to the lowest fan level. 
   
     
     
         20 . A computer device comprising:
 a memory storing a computer program; and   a processor configured to execute the computer program to:
 obtain an operation state of an air conditioner; 
 determine, in response to the operation state of the air conditioner being a power consumption reduction response state, whether a power consumption reduction target of the air conditioner is reached by limiting an output of an outdoor unit of the air conditioner; and 
 perform a power consumption reduction control on an indoor unit of the air conditioner in response to determining that the power consumption reduction target of the air conditioner is not reached by limiting the output of the outdoor unit.