Control method of heat pump system and heat pump system

Abstract

The present disclosure provides a control method of the heat pump system and the heat pump system, wherein the method includes: determining priority information of an operation mode, wherein the operation mode includes: a hot water production mode and an air conditioning mode; controlling the heat pump system to operate according to an operation mode with the higher priority information, and acquiring the corresponding operation parameter; determining whether the operation parameter satisfies a preset condition; and controlling the heat pump system to switch to operate in the operation mode with the lower priority information, if yes.

1 . A control method of a heat pump system, wherein the method comprises:
 determining priority information of an operation mode, wherein the operation mode comprises: a hot water production mode and an air conditioning mode;   controlling the heat pump system to operate according to an operation mode with higher priority information, and acquiring a corresponding operation parameter, wherein the operation parameter comprises at least one of an operation duration, a water temperature of a domestic water tank in the heat pump system, and an end detection temperature corresponding to an end device;   determining whether the operation parameter satisfies a preset condition; and   controlling the heat pump system to switch to operate in an operation mode with lower priority information, if yes.   
     
     
         2 . The method according to  claim 1 , wherein the step of acquiring a corresponding operation parameter comprises:
 acquiring a first operation parameter of the heat pump system when operating according to the hot water production mode when priority information of the hot water production mode is higher than priority information of the air conditioning mode, wherein the first operation parameter comprises at least one of a first hot water production operation duration, a first water temperature corresponding to the domestic water tank, and a first end detection temperature corresponding to the end device; or   acquiring a second operation parameter of the heat pump system when operating according to the air conditioning mode when priority information of the air conditioning mode is higher than priority information of the hot water production mode, wherein the second operation parameter comprises at least one of a first air conditioning operation duration, a second water temperature corresponding to the domestic water tank, and a second end detection temperature corresponding to the end device.   
     
     
         3 . The method according to  claim 2 , wherein the step of determining whether the operation parameter satisfies the preset condition when the operation parameter is the first operation parameter comprises:
 determining that the first operation parameter satisfies the preset condition when the first hot water production operation duration is not larger than a first hot water production maximum operation duration, and the first water temperature is not smaller than a first water temperature threshold; or   determining that the first operation parameter satisfies the preset condition when the first hot water production operation duration is larger than the first hot water production maximum operation duration, and a different value between the first end detection temperature and the first temperature threshold is larger than a first temperature difference threshold.   
     
     
         4 . The method according to  claim 3 , wherein the method further comprises:
 acquiring a third operation parameter when the heat pump system switches to operate in the air conditioning mode, wherein the third operation parameter comprises: a second air conditioning mode operation duration, a third water temperature corresponding to the domestic water tank, and a third end detection temperature corresponding to the end device; and   controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode according to the third operation parameter.   
     
     
         5 . The method according to  claim 4 , wherein the step of controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode according to the third operation parameter comprises:
 controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode when the third water temperature is smaller than a second water temperature threshold, and the second air conditioning mode operation duration is larger than a second air conditioning mode limiting duration.   
     
     
         6 . The method according to  claim 5 , wherein the step of controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode according to the third operation parameter comprises:
 controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode when the third water temperature is smaller than the second water temperature threshold, and the heat pump system stops due to reaching a temperature in the air conditioning mode.   
     
     
         7 . The method according to  claim 2 , wherein the step of determining whether the operation parameter satisfies the preset condition when the operation parameter is the second operation parameter comprises:
 determining that the second operation parameter satisfies the preset condition when the first air conditioning operation duration is larger than a first air conditioning mode limiting duration, or the heat pump system stops due to reaching a temperature in the air conditioning mode.   
     
     
         8 . The method according to  claim 7 , wherein the method further comprises:
 acquiring a fourth operation parameter when the heat pump system switches to operate in the hot water production mode, wherein the fourth operation parameter comprises: a second hot water production operation duration, a fourth water temperature corresponding to the domestic water tank, and a fourth end detection temperature corresponding to the end device; and   controlling the heat pump system to re-switch to operate in the air conditioning mode from the hot water production mode when the fourth water temperature is not smaller than a third water temperature threshold; the second hot water production operation duration is larger than a second hot water production maximum operation duration; or a different value between the fourth end detection temperature and a second temperature threshold is larger than a second temperature difference threshold.   
     
     
         9 . A heat pump system, comprising a controller and a three-way valve, wherein a first end of the three-way valve is connected to a heat pump host; a second end is connected to a domestic water tank; and a third end is connected to an end device, wherein
 the controller comprises a memory, a processor, and a computer program stored in the memory and operable in the processor, and the processor executes the computer program to realize the steps of the method according to  claim 1 .   
     
     
         10 . A computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program executes the steps of the method according to  claim 1  when run by a processor. 
     
     
         11 . The heat pump system according to  claim 9 , wherein the step of acquiring a corresponding operation parameter comprises:
 acquiring a first operation parameter of the heat pump system when operating according to the hot water production mode when priority information of the hot water production mode is higher than priority information of the air conditioning mode, wherein the first operation parameter comprises at least one of a first hot water production operation duration, a first water temperature corresponding to the domestic water tank, and a first end detection temperature corresponding to the end device; or   acquiring a second operation parameter of the heat pump system when operating according to the air conditioning mode when priority information of the air conditioning mode is higher than priority information of the hot water production mode, wherein the second operation parameter comprises at least one of a first air conditioning operation duration, a second water temperature corresponding to the domestic water tank, and a second end detection temperature corresponding to the end device.   
     
     
         12 . The heat pump system according to  claim 11 , wherein the step of determining whether the operation parameter satisfies the preset condition when the operation parameter is the first operation parameter comprises:
 determining that the first operation parameter satisfies the preset condition when the first hot water production operation duration is not larger than a first hot water production maximum operation duration, and the first water temperature is not smaller than a first water temperature threshold; or   determining that the first operation parameter satisfies the preset condition when the first hot water production operation duration is larger than the first hot water production maximum operation duration, and a different value between the first end detection temperature and the first temperature threshold is larger than a first temperature difference threshold.   
     
     
         13 . The heat pump system according to  claim 12 , wherein the method further comprises:
 acquiring a third operation parameter when the heat pump system switches to operate in the air conditioning mode, wherein the third operation parameter comprises: a second air conditioning mode operation duration, a third water temperature corresponding to the domestic water tank, and a third end detection temperature corresponding to the end device; and   controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode according to the third operation parameter.   
     
     
         14 . The heat pump system according to  claim 13 , wherein the step of controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode according to the third operation parameter comprises:
 controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode when the third water temperature is smaller than a second water temperature threshold, and the second air conditioning mode operation duration is larger than a second air conditioning mode limiting duration.   
     
     
         15 . The heat pump system according to  claim 14 , wherein the step of controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode according to the third operation parameter comprises:
 controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode when the third water temperature is smaller than the second water temperature threshold, and the heat pump system stops due to reaching a temperature in the air conditioning mode.   
     
     
         16 . The heat pump system according to  claim 11 , wherein the step of determining whether the operation parameter satisfies the preset condition when the operation parameter is the second operation parameter comprises:
 determining that the second operation parameter satisfies the preset condition when the first air conditioning operation duration is larger than a first air conditioning mode limiting duration, or the heat pump system stops due to reaching a temperature in the air conditioning mode.   
     
     
         17 . The heat pump system according to  claim 16 , wherein the method further comprises:
 acquiring a fourth operation parameter when the heat pump system switches to operate in the hot water production mode, wherein the fourth operation parameter comprises: a second hot water production operation duration, a fourth water temperature corresponding to the domestic water tank, and a fourth end detection temperature corresponding to the end device; and   controlling the heat pump system to re-switch to operate in the air conditioning mode from the hot water production mode when the fourth water temperature is not smaller than a third water temperature threshold; the second hot water production operation duration is larger than a second hot water production maximum operation duration; or a different value between the fourth end detection temperature and a second temperature threshold is larger than a second temperature difference threshold.   
     
     
         18 . The computer readable storage medium according to  claim 10 , wherein the step of acquiring a corresponding operation parameter comprises:
 acquiring a first operation parameter of the heat pump system when operating according to the hot water production mode when priority information of the hot water production mode is higher than priority information of the air conditioning mode, wherein the first operation parameter comprises at least one of a first hot water production operation duration, a first water temperature corresponding to the domestic water tank, and a first end detection temperature corresponding to the end device; or   acquiring a second operation parameter of the heat pump system when operating according to the air conditioning mode when priority information of the air conditioning mode is higher than priority information of the hot water production mode, wherein the second operation parameter comprises at least one of a first air conditioning operation duration, a second water temperature corresponding to the domestic water tank, and a second end detection temperature corresponding to the end device.   
     
     
         19 . The computer readable storage medium according to  claim 18 , wherein the step of determining whether the operation parameter satisfies the preset condition when the operation parameter is the first operation parameter comprises:
 determining that the first operation parameter satisfies the preset condition when the first hot water production operation duration is not larger than a first hot water production maximum operation duration, and the first water temperature is not smaller than a first water temperature threshold; or   determining that the first operation parameter satisfies the preset condition when the first hot water production operation duration is larger than the first hot water production maximum operation duration, and a different value between the first end detection temperature and the first temperature threshold is larger than a first temperature difference threshold.   
     
     
         20 . The computer readable storage medium according to  claim 19 , wherein the method further comprises:
 acquiring a third operation parameter when the heat pump system switches to operate in the air conditioning mode, wherein the third operation parameter comprises: a second air conditioning mode operation duration, a third water temperature corresponding to the domestic water tank, and a third end detection temperature corresponding to the end device; and   controlling the heat pump system to re-switch to operate in the hot water production mode from the air conditioning mode according to the third operation parameter.