CN-117167923-B - Control method, system, equipment and storage medium of double-heat-source air conditioner

Abstract

The embodiment of the application relates to the technical field of air conditioners, in particular to a control method, a system, equipment and a storage medium of a double-heat-source air conditioner, wherein the method comprises the steps of controlling the air conditioner to operate in a conventional heating mode or a strong heating mode; when the operation mode is a normal heating mode, the air conditioner is controlled to heat according to the current outdoor temperature and the current indoor temperature until the target temperature difference is smaller than a preset difference value, the target temperature difference is the difference value between the latest indoor temperature and the target temperature, and when the operation mode is a strong heating mode, the air conditioner is controlled to heat according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature until the target temperature difference is smaller than the preset difference value. According to the embodiment of the application, the operation mode of the air conditioner is divided into the conventional heating mode and the powerful heating mode, so that the air conditioner heats in different modes, and the technical effect of effectively heating in an environment with a wider temperature range is achieved.

Inventors

• WANG LEI

Assignees

• 珠海格力电器股份有限公司

Dates

Publication Date

20260508

Application Date

20230925

Claims (9)

1. 1. A control method of a dual heat source air conditioner, comprising: receiving a control instruction for controlling an air conditioner operation mode; controlling the air conditioner to operate in an operation mode indicated by the control instruction in response to the control instruction, wherein the operation mode comprises a conventional heating mode or a forced heating mode; receiving a temperature adjustment instruction comprising a target temperature, wherein the target temperature is a temperature to be adjusted; acquiring a current outdoor temperature and a current indoor temperature; when the operation mode is the conventional heating mode, controlling the air conditioner to heat according to the current outdoor temperature and the current indoor temperature until a target temperature difference is smaller than a preset difference value, wherein the target temperature difference is the difference value between the latest indoor temperature and the target temperature; when the operation mode is the powerful heating mode, controlling the air conditioner to heat according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature until the target temperature difference is smaller than the preset difference value, wherein when the current outdoor temperature is larger than or equal to a second preset temperature, heat pump heating and gas heating are simultaneously carried out according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature until the target temperature difference is smaller than the preset difference value; And simultaneously performing heat pump heating and gas heating according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature until the target temperature difference is smaller than the preset difference value, wherein the method comprises the following steps of: When the current indoor temperature is smaller than a first preset temperature difference, starting heat pump heating, when the current indoor air outlet temperature is smaller than a third preset temperature, controlling the heat pump heating to the maximum intensity by adjusting the operation frequency to the maximum value, and when the time length of the heat pump heating of the maximum intensity reaches a second preset time length, starting gas heating when the first indoor air outlet temperature is smaller than the third preset temperature; when the temperature of the current indoor air outlet is greater than or equal to the third preset temperature and the temperature of the current indoor air outlet is less than or equal to the fourth preset temperature, the current running frequency of the compressor is kept, and the current opening of the gas valve is kept; when the current indoor air outlet temperature is higher than the fourth preset temperature, stopping gas heating by closing the gas valve, and controlling the heat pump to heat to the minimum strength by adjusting the operating frequency to the minimum value; When the current indoor temperature is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, starting a heat pump to heat, and when the current indoor air outlet temperature is less than the third preset temperature, reducing the rotating speed of an inner fan; when the temperature of the air outlet in the second chamber is smaller than the third preset temperature after the rotation speed is reduced and the third preset time period, controlling the heat pump to heat to the maximum intensity by adjusting the operation frequency to the maximum value; When the heating time of the heat pump with the maximum intensity reaches the fourth preset time and the temperature of the air outlet in the third chamber is smaller than the third preset temperature, starting gas heating; When the temperature of the current indoor air outlet is greater than or equal to the third preset temperature and less than or equal to the fourth preset temperature, the compressor is kept to be at the current running frequency, and the gas valve is kept to be at the current opening; When the temperature of the current indoor air outlet is higher than the fourth preset temperature, stopping gas heating by closing a gas valve, and controlling a heat pump to heat to the minimum strength by adjusting the operating frequency to the minimum value so as to increase the rotating speed; and when the current indoor temperature is greater than the second preset temperature difference, controlling the air conditioner to stop.
2. 2. The method according to claim 1, wherein the heating mode of the air conditioner comprises heat pump heating and/or gas heating.
3. 3. The method of claim 2, wherein controlling the air conditioner to heat according to the current outdoor temperature and the current indoor temperature until the target temperature difference is less than a preset difference value, comprises: When the current outdoor temperature is higher than a first preset temperature, controlling the heating intensity of the heat pump by adjusting the operating frequency of the compressor according to the target temperature difference until the target temperature difference is lower than the preset difference, wherein the operating frequency is in direct proportion to the heating intensity of the heat pump; When the current outdoor temperature is smaller than or equal to the first preset temperature and larger than or equal to the second preset temperature, starting heat pump heating, and when the first indoor temperature is smaller than the target temperature when the heat pump heating time reaches the first preset time, starting gas heating, controlling the heat pump heating to the maximum intensity by adjusting the operating frequency to the maximum value, and controlling the intensity of gas heating by adjusting the opening of a gas valve until the target temperature difference is smaller than the preset difference value, wherein the opening is in direct proportion to the intensity of gas heating; And when the current outdoor temperature is smaller than the second preset temperature, controlling the intensity of gas heating by adjusting the opening of the gas valve according to the target temperature difference until the target temperature difference is smaller than the preset difference value.
4. 4. The method of claim 3, wherein controlling the air conditioner to heat according to the current outdoor temperature, the current indoor temperature, and the current indoor outlet temperature until the target temperature difference is less than the preset difference value, comprises: And when the current outdoor temperature is smaller than the second preset temperature, performing gas heating according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature until the target temperature difference is smaller than the preset difference value.
5. 5. The method of claim 1, wherein performing gas heating according to the current outdoor temperature, the current indoor temperature, and the current indoor air outlet temperature until the target temperature difference is less than the preset difference value comprises: When the current indoor temperature is smaller than the first preset temperature difference, starting gas heating, and when the current indoor air outlet temperature is smaller than the third preset temperature, controlling the gas heating to the maximum intensity by adjusting the opening of the gas valve to the maximum opening; When the current indoor air outlet temperature is greater than or equal to the third preset temperature and less than or equal to the fourth preset temperature, keeping the current opening of the gas valve; When the current indoor air outlet temperature is higher than the fourth preset temperature, controlling the gas heating to the minimum strength by adjusting the opening of the gas valve to the minimum opening; when the current indoor temperature is greater than or equal to the first preset temperature difference and less than or equal to the second preset temperature difference, starting gas heating, when the current indoor air outlet temperature is less than the third preset temperature, reducing the rotating speed, and when the third indoor air outlet temperature passing through a fourth preset time period after reducing the rotating speed is less than the first preset temperature difference, controlling the gas heating to the maximum intensity by adjusting the opening of the gas valve to the maximum opening; When the current indoor air outlet temperature is greater than or equal to the third preset temperature and less than or equal to the fourth preset temperature, keeping the current opening of the gas valve; When the temperature of the current indoor air outlet is higher than the fourth preset temperature, the rotating speed is increased; and when the current indoor temperature is greater than the second preset temperature difference, controlling the air conditioner to stop.
6. 6. The double-heat-source air conditioning system is characterized by comprising a control module, a temperature measuring module, a conventional heating module and a powerful heating module; The control module receives a control instruction for controlling an air conditioner operation mode; The control module responds to the control instruction and controls the air conditioner to operate in an operation mode indicated by the control instruction, wherein the operation mode comprises a conventional heating mode or a forced heating mode; the control module receives a temperature adjustment instruction comprising a target temperature, wherein the target temperature is a temperature to be adjusted; The temperature measuring module detects the obtained current outdoor temperature and the obtained current indoor temperature and sends the current outdoor temperature and the current indoor temperature to the control module; The control module acquires the current outdoor temperature and the current indoor temperature; When the operation mode is the conventional heating mode, the control module controls the conventional heating module in the air conditioner to heat according to the current outdoor temperature and the current indoor temperature until a target temperature difference is smaller than a preset difference value, wherein the target temperature difference is the difference value between the latest indoor temperature and the target temperature; The control module controls the forced heating module in the air conditioner to heat according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature until the target temperature difference is smaller than the preset difference when the operation mode is the forced heating mode, and comprises the steps of controlling the heat pump to heat according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature while performing heat pump heating and gas heating until the target temperature difference is smaller than the preset difference when the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature are larger than or equal to a second preset temperature, controlling the heat pump to heat until the target temperature difference is smaller than the preset difference when the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature are smaller than a first preset temperature, starting the heat pump heating when the current indoor air outlet temperature is smaller than a third preset temperature, controlling the heat pump to maximum intensity by adjusting the operation frequency to a maximum value when the current indoor air outlet temperature is smaller than or equal to a third preset temperature, keeping the maximum intensity of the heat pump to gas air valve to heat when the third preset temperature is smaller than the fourth preset temperature is smaller than the first preset temperature, keeping the current indoor air outlet temperature to be smaller than or equal to the fourth preset air outlet temperature, and keeping the current air outlet frequency to be smaller than the current air outlet to be turned on when the fourth preset temperature is smaller than the fourth preset air outlet temperature, and keeping the current air outlet frequency to be turned on, the method comprises the steps of controlling heat pump heating to minimum intensity, starting heat pump heating when the current indoor temperature is larger than or equal to the first preset temperature difference and smaller than or equal to the second preset temperature difference, reducing the rotating speed of an inner fan when the current indoor air outlet temperature is smaller than or equal to the third preset temperature, controlling the heat pump heating to maximum intensity by adjusting the operating frequency to the maximum value when the second indoor air outlet temperature is smaller than the third preset temperature after the rotating speed is reduced and the third preset time period, starting gas heating when the third indoor air outlet temperature is smaller than the third preset temperature when the time period of the heat pump heating of the maximum intensity reaches the fourth preset time period, keeping the current operating frequency of a compressor when the current indoor air outlet temperature is larger than or equal to the third preset temperature and smaller than or equal to the fourth preset temperature, keeping the current opening of a gas valve, stopping gas heating by closing the gas valve when the current indoor air outlet temperature is larger than the fourth preset temperature, controlling the gas heating to be stopped when the current indoor air outlet temperature is smaller than the fourth preset temperature, controlling the temperature difference to be smaller than the maximum value, and stopping heating when the temperature is smaller than the fourth preset temperature, and controlling the temperature difference to be smaller than the maximum.
7. 7. The system of claim 6, wherein the conventional heating mode comprises an evaporator and the forced heating mode comprises a flue gas heat exchanger; the first setting position of the flue gas heat exchanger and the second setting position of the evaporator are interchangeable settings.
8. 8. An electronic device, comprising: One or more processors; a memory for storing one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the control method of the dual heat source air conditioner of any one of claims 1 to 5.
9. 9. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the control method of the dual heat source air conditioner according to any one of claims 1 to 5.

Description

Control method, system, equipment and storage medium of double-heat-source air conditioner Technical Field The present application relates to the field of air conditioning technologies, and in particular, to a control method, a system, an apparatus, and a storage medium for a dual-heat source air conditioner. Background Along with the improvement of living standard of residents, the demand of people for heat collection is continuously increased, and especially in northern cold areas. In the prior art, an air source heat pump air conditioner is generally adopted for heating, a variable-frequency enthalpy-increasing air conditioner is adopted for improving heating performance in a low-temperature environment, a compressor is operated at a high frequency in a low temperature, and meanwhile, air supplementing and enthalpy increasing are carried out for improving heating capacity, so that low-temperature heating is realized. However, although the air source heat pump air conditioner can improve the low-temperature heating effect to a certain extent, the heating performance of the air source heat pump air conditioner can be attenuated along with the reduction of the outdoor environment temperature, so that the air source heat pump air conditioner cannot meet the daily heating requirements of users in northern cold areas in winter. Therefore, the technical problem that the air source heat pump has poor heating effect in a low-temperature scene exists in the related art. Disclosure of Invention The application provides a control method, a control system, control equipment and a control storage medium of a double-heat-source air conditioner, which are used for solving the technical problem that an air source heat pump in the prior art is poor in heating effect in a low-temperature scene. In a first aspect, the present application provides a control method of a dual heat source air conditioner, including: receiving a control instruction for controlling an air conditioner operation mode; controlling the air conditioner to operate in an operation mode indicated by the control instruction in response to the control instruction, wherein the operation mode comprises a conventional heating mode or a forced heating mode; receiving a temperature adjustment instruction comprising a target temperature, wherein the target temperature is a temperature to be adjusted; acquiring a current outdoor temperature and a current indoor temperature; when the operation mode is the conventional heating mode, controlling the air conditioner to heat according to the current outdoor temperature and the current indoor temperature until a target temperature difference is smaller than a preset difference value, wherein the target temperature difference is the difference value between the latest indoor temperature and the target temperature; And when the operation mode is the powerful heating mode, controlling the air conditioner to heat according to the current outdoor temperature, the current indoor temperature and the current indoor air outlet temperature until the target temperature difference is smaller than the preset difference value. Further, the heating mode of the air conditioner comprises heat pump heating and/or gas heating. Further, controlling the air conditioner to heat according to the current outdoor temperature and the current indoor temperature until the target temperature difference is smaller than a preset difference value, including: When the current outdoor temperature is higher than a first preset temperature, controlling the heating intensity of the heat pump by adjusting the operating frequency of the compressor according to the target temperature difference until the target temperature difference is lower than the preset difference, wherein the operating frequency is in direct proportion to the heating intensity of the heat pump; When the current outdoor temperature is smaller than or equal to the first preset temperature and larger than or equal to the second preset temperature, starting heat pump heating, and when the first indoor temperature is smaller than the target temperature when the heat pump heating time reaches the first preset time, starting gas heating, controlling the heat pump heating to the maximum intensity by adjusting the operating frequency to the maximum value, and controlling the intensity of gas heating by adjusting the opening of a gas valve until the target temperature difference is smaller than the preset difference value, wherein the opening is in direct proportion to the intensity of gas heating; And when the current outdoor temperature is smaller than the second preset temperature, controlling the intensity of gas heating by adjusting the opening of the gas valve according to the target temperature difference until the target temperature difference is smaller than the preset difference value. Further, controlling the air conditioner to heat according to the current outdoor temperature, the cu