WO2023040249A1 - Air conditioning system and control method therefor - Google Patents

Abstract

Provided are an air conditioning system and a control method therefor. The air conditioning system comprises: an air conditioning device (100) provided with an indoor unit (160) and an outdoor unit (170), wherein the indoor unit (160) is internally provided with an energy storage box (110), and is internally provided with a heat exchange pipe (120), a heat conduction pipe (130), a first air pipe (140) and a first liquid pipe (150), which are connected to each other in a loop, the heat conduction pipe (130) being located in the energy storage box (110); a compression system is internally provided with the outdoor unit (170), a second air pipe (171) of the outdoor unit (170) is connected to the first air pipe (140), and a second liquid pipe (172) of the outdoor unit (170) is connected to the first liquid pipe (150); a third temperature sensor which is used to measure the temperature of the energy storage box (110); a time module for obtaining and recording a time value during the operation in an energy storage mode; and a control module. The air conditioning system stores heat or cold energy by means of the energy storage box (110), determines, by means of the time, whether it is in a time period with a lower electricity price, and stores energy during the time period with a lower electricity price, such that in the daytime when there is a higher electricity price, the heat or cold energy stored in the energy storage box (110) is firstly used for heating or cooling, and then the compression system is started, thereby reducing the electricity consumption of a user and improving the uniformity of regional electricity consumption.

Description

Air conditioning system and its control method

Cross References to Related Applications

This application claims the priority of the Chinese patent application filed on September 15, 2021 with the application number 202111082686.X and the title of the invention "An Air Conditioning System and Its Control Method", which is fully incorporated herein by reference.

technical field

The present application relates to the technical field of air temperature adjustment equipment, in particular to an air conditioning system and a control method thereof.

Background technique

Existing ambient air heating or cooling devices such as air-conditioning fans or air conditioners mostly use electric energy for energy supply, by converting electric energy into heat energy, or cooling water tanks through electric energy, and then supplying heat or cooling to the surrounding environment.

When the air-conditioning fan or air conditioner finishes heating or cooling, the heated refrigerant will gradually dissipate heat over time, and the cooled refrigerant will also gradually heat up over time, eventually approaching the ambient temperature. When heating or cooling is required again, it needs to be reheated from the ambient temperature to a higher temperature, or re-cooled from the ambient temperature to a lower temperature, and the energy loss is high.

In many regions, the daytime belongs to the peak period of electricity consumption, and the electricity price is higher during the day; the evening belongs to the valley period of electricity consumption, and the electricity price is lower at night. However, at present, most users use the air conditioner for heating or cooling during the high electricity price period, which makes the air conditioner consume more power for heating or cooling, and the electricity bill is higher.

Contents of the invention

This application provides an air-conditioning system and its control method, which is used to solve the problem of heating and air-conditioning fans or air conditioners in areas with different electricity costs at different times in the prior art. When heating or cooling is turned on during periods of high electricity costs, the air conditioner consumes electricity. The defect of high electricity cost realizes an air-conditioning system and a control method thereof.

The application provides an air conditioning system, comprising:

An air conditioner, the air conditioner includes an indoor unit and an outdoor unit, the indoor unit is provided with an energy storage box, a heat exchange pipe, a heat conduction pipe, a first air pipe and a first liquid pipe, the heat exchange pipe, the first A liquid pipe, the heat conduction pipe and the first air pipe are sequentially connected to form a circulation pipeline, the circulation pipeline is provided with a refrigerant, and the heat conduction pipe is located in the energy storage tank;

The outdoor unit is provided with a compression system, the compression system includes a compressor and a four-way valve, the second air pipe of the outdoor unit is connected to the first air pipe, and the second air pipe of the outdoor unit is connected to the on the first liquid pipe;

The third temperature sensor, located in the energy storage box, is used to detect the temperature of the energy storage box and send it to the control module;

The time module is used to obtain and record the time value when the energy storage mode is running, and send it to the control module;

A control module is connected in communication with the third temperature sensor and the time module respectively.

According to an air conditioning system provided in the present application, the second liquid pipe is provided with a first valve body, and the second air pipe is provided with a third valve body.

According to an air conditioning system provided by the present application, the first liquid pipe is provided with a second valve body and a sixth valve body, and the second valve body and the sixth valve body are respectively located in the first liquid pipe. On both sides of the connection with the second air pipe, the second valve body is located on the side of the sixth valve body close to the energy storage tank.

According to an air conditioning system provided by the present application, the first air pipe is provided with a fourth valve body and a fifth valve body, and the fourth valve body and the fifth valve body are respectively located between the first air pipe and the air pipe. The fifth valve body is located on the side of the fourth valve body close to the energy storage tank.

The present application also provides an air conditioning system control method, including the following steps:

Obtain the time value, confirm that the time value falls into the preset low-power time interval, and enter the energy storage mode;

When the energy storage mode is running, the temperature of the energy storage box is obtained, and the compression system is controlled to deliver refrigerant into the heat pipe based on the temperature of the energy storage box.

According to an air conditioning system control method provided in the present application, the control of the compression system based on the temperature of the energy storage tank to deliver the refrigerant into the heat pipe includes:

When it is determined that the next operation mode of the air conditioner is to operate in the heating mode, it is determined that the temperature of the energy storage tank is lower than the first preset temperature value, the compression system is controlled to open in the heating mode, and the first valve body, the second valve body, and the third valve body are controlled. The valve body and the fifth valve body are opened;

And/or, when it is determined that the next operation mode of the air conditioner is to operate in the cooling mode, it is determined that the temperature of the energy storage tank is greater than the second preset temperature value, the compression system is controlled to open in the cooling mode, and the first valve body, the second The second valve body, the third valve body and the fifth valve body are opened.

According to an air conditioning system control method provided by the present application, after controlling the compression system to open in heating mode and controlling the opening of the first valve body, the second valve body, the third valve body and the fifth valve body, the temperature of the energy storage tank is determined Greater than or equal to the first preset temperature value or time value falling into the preset high power time interval, control the compression system, the first valve body, the second valve body, the third valve body and The fifth valve body is closed;

And/or, after controlling the compression system to open in refrigeration mode, and controlling the opening of the first valve body, the second valve body, the third valve body and the fifth valve body, it is determined that the temperature of the energy storage tank is less than or when the second preset temperature value or time value falls into the preset high power time interval, control the compression system, the first valve body, the second valve body, the third valve body and the The fifth valve body is closed.

According to an air conditioning system control method provided in the present application, the determining that the next operation mode of the air conditioner is to operate in the heating mode includes:

When it is determined that the outdoor temperature is less than the fifth preset temperature value, the temperature of the energy storage tank is greater than the outdoor temperature, or the temperature of the energy storage tank is greater than the sixth preset temperature value, it is determined that the next operating mode of the air conditioner is to operate in the heating mode.

According to an air-conditioning system control method provided in the present application, the determining that the next operating mode of the air-conditioning device is to operate in cooling mode includes:

When it is determined that the outdoor temperature is greater than the seventh preset temperature value, the temperature of the energy storage tank is lower than the outdoor temperature, and the temperature of the energy storage tank is lower than the eighth preset temperature value, it is determined that the next operating mode of the air conditioner is to operate in cooling mode.

According to an air-conditioning system control method provided in the present application, the control method further includes: determining that the air-conditioning device continuously operates in the heating mode and does not turn on the compression system within a preset number of days, and the first preset temperature value Make corrections, the correction formula includes:

T1＝△T1×(Ts-Tw)+tp1×△T2+T3

Among them, T1 is the first preset temperature value, △T1 is the average temperature decrease of the energy storage box when the indoor temperature increases by 1°C when the indoor temperature is running in the heating mode within the preset number of days, and Tw is the next day’s value sent by the cloud server The average outdoor temperature within the preset time period, Ts is the average value of the set temperature of the air conditioner within the preset number of days, tp1 is the ratio of the total running time of the heating mode to the number of days of heating mode operation within the preset number of days, ΔT2 is the average temperature decrease of the temperature of the energy storage tank per hour after the indoor temperature is greater than or equal to the set temperature when the heating mode is running within the preset number of days, and T3 is the third preset temperature value.

According to an air-conditioning system control method provided in the present application, the control method further includes: determining that the air-conditioning device is continuously operating in the cooling mode and the compression system is not turned on within a preset number of days, and performing a check on the second preset temperature value Amended, the amended formula includes:

T2＝T4-△T3×(Tw-Ts)+tp2×△T4

Among them, T2 is the second preset temperature value, ΔT3 is the average temperature increase of the energy storage box when the indoor temperature is reduced by 1°C during the cooling mode operation within the preset number of days, and Tw is the next day’s preset value sent by the cloud server. Assuming the average outdoor temperature within the time period, Ts is the average value of the set temperature of the air conditioner within the preset number of days, tp2 is the ratio of the total operating time of the cooling mode to the number of days of cooling mode operation within the preset number of days, ΔT4 is When the indoor temperature is less than or equal to the set temperature during the preset number of days, the temperature of the energy storage tank is the average temperature increase per hour, and T4 is the fourth preset temperature value.

According to an air-conditioning system control method provided in the present application, the control method further includes correcting the Tw, and the value of Tw is the difference between the average outdoor temperature and the corrected temperature value sent by the cloud server in the preset time period of the next day In sum, the corrected temperature values are in the range of 1°C to 3°C.

According to an air-conditioning system control method provided in the present application, the control method further includes: first determining whether the air-conditioning device operates in a heating mode or a cooling mode;

When the air conditioner is running in the heating mode, it is determined that the temperature of the energy storage tank is less than or equal to the third preset temperature value, the compression system is controlled to open in the heating mode, and the first valve body, the third valve body, and the fourth valve body are controlled The body and the sixth valve body are opened; determine that the temperature of the energy storage tank is greater than the third preset temperature value, and control the opening of the second valve body, the fourth valve body, the fifth valve body and the sixth valve body;

When the air conditioner is running in the cooling mode, it is determined that the temperature of the energy storage tank is greater than or equal to the fourth preset temperature value, the compression system is controlled to open in the cooling mode, and the first valve body, the third valve body, the fourth valve body and the The sixth valve body is opened; it is determined that the temperature of the energy storage tank is lower than the fourth preset temperature value, and the second valve body, the fourth valve body, the fifth valve body and the sixth valve body are controlled to open;

After it is determined that the air conditioner exits the heating mode or the cooling mode, the time value is acquired, and the time value is determined to fall within the preset low-power time interval, and enters the energy storage mode.

In the air-conditioning system and its control method provided by the present application, by setting the energy storage box and the heat conduction pipe, the heat or cold stored in the energy storage box is exchanged with the heat conduction pipe, and the heat conduction pipe transfers the heat or cold stored in the energy storage box The heat is dissipated at the heat exchange tube. When the heating or cooling is turned off, the temperature of the refrigerant in the energy storage box will not change greatly to prevent energy loss. At the same time, by connecting the compression system in parallel on the circulation pipeline, the compression system can not only store heat and cold for the energy storage box, but also provide high-temperature or low-temperature refrigerant for the heat exchange tube to realize heating, cooling, heat storage and cold storage of the air conditioning system. multifunctional. Moreover, after the air conditioner is turned off or the user chooses to turn on the energy storage mode, the air conditioner automatically enters the energy storage control program, and judges whether it is in the low electricity consumption valley time period by time, and stores energy at a time when the electricity fee is low. In order to make it easier to use the heat stored in the energy storage box for heating or cooling when the electricity bill is high during the day, and then turn on the compression system for heating or cooling, which can not only reduce the user's electricity consumption, but also reduce the electricity cost. It can also reduce the power consumption during the peak period of power consumption and improve the uniformity of regional power consumption.

Description of drawings

In order to more clearly illustrate the technical solutions in this application or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are the present For some embodiments of the application, those skilled in the art can also obtain other drawings based on these drawings without creative work.

in:

Fig. 1 is one of structural representations of the air-conditioning system provided by the present application;

Fig. 2 is the second structural diagram of the air-conditioning system provided by the present application;

Fig. 3 is a schematic flow chart of an air conditioning system control method provided by the present application;

FIG. 4 is a schematic structural diagram of an electronic device provided by the present application.

Reference signs:

100: air conditioning device; 110: energy storage box; 120: heat exchange tube;

130: heat pipe; 140: first air pipe; 150: first liquid pipe;

160: indoor unit; 170: outdoor unit; 171: second air pipe;

172: second liquid pipe; 181: first valve body; 182: second valve body;

183: third valve body; 184: fourth valve body; 185: fifth valve body;

186: the sixth valve body;

210: processor; 220: communication interface; 230: memory;

240: communication bus.

Detailed ways

In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

In the description of the embodiments of this application, it should be noted that, unless otherwise specified and limited, the terms "first" and "second" are for the purpose of clearly explaining the numbering of product components and do not represent any substantial difference . "Up", "Down" and "Inner" are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present application according to specific situations.

It should be noted that the description "within the range" in this application includes the values at both ends. For example, "within the range of 10 to 20" includes the end values 10 and 20 at both ends of the range.

It should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be interpreted in a broad sense, for example, it may be a direct connection or an indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the invention in specific situations.

The air conditioning system and its control method of the present application will be described below with reference to FIGS. 1-4 .

Specifically, the air-conditioning system described in this embodiment, as shown in FIG. 1 and FIG. 2 , includes an air-conditioning device 100, the air-conditioning device 100 includes an indoor unit 160 and an outdoor unit 170, and the indoor unit 160 is equipped with energy storage The tank 110, the heat exchange tube 120, the heat conduction tube 130, the first air pipe 140 and the first liquid pipe 150, the heat exchange pipe 120, the first liquid pipe 150, the heat conduction pipe 130 and the first air pipe 140 They are connected in sequence to form a circulation pipeline, the circulation pipeline is provided with a refrigerant, and the heat pipe 130 is located in the energy storage tank 110 .

Specifically, the heat exchange tube 120 , the first liquid tube 150 , the heat conduction tube 130 and the first air tube 140 are sequentially connected to form a circulation pipeline in which a refrigerant is provided, and the energy storage tank 110 is provided with a storage tank. The energy medium, the energy storage tank 110 and the heat transfer tube 130 realize heat exchange, so as to heat or cool down the refrigerant in the heat transfer tube 130 according to the temperature in the energy storage tank 110 . The high-temperature refrigerant in the heat pipe 130 flows through the first air pipe 140 to the heat exchange pipe 120, and provides hot air to the surrounding air through devices such as fans; or, the low-temperature refrigerant in the heat pipe 130 flows through the first liquid pipe 150 to the heat exchange pipe 120. At the heat pipe 120, cooling air is provided to the surrounding air through devices such as fans.

Specifically, as shown in FIG. 1 , for the heating-type air conditioner 100 , part of the refrigerant may be filled in the circulation pipeline, that is, the refrigerant does not fill the entire circulation pipeline. The heat exchange tube 120 is located above the heat transfer tube 130. The high temperature refrigerant in the heat transfer tube 130 is vaporized and automatically rises from the first gas pipe 140 to the heat exchange tube 120. After the heat exchange tube 120 undergoes heat exchange, the temperature of the refrigerant decreases and condenses , and then return to the heat pipe 130 through the first liquid pipe 150. During this cycle, according to the high-temperature gasification of the refrigerant and the state change of the low-temperature refrigerant, the gasified refrigerant and the liquefied refrigerant circulate due to gravity without the need for a circulation pump Drive the refrigerant.

Specifically, as shown in FIG. 2 , for the refrigerating air conditioner 100 , part of the refrigerant may be filled in the circulation pipeline, that is, the refrigerant in the circulation pipeline does not fill the entire circulation pipeline. The heat exchange tube 120 is located below the heat transfer tube 130, and the liquid refrigerant in the heat transfer tube 130 with a relatively low temperature automatically flows into the heat exchange tube 120 from the first liquid tube 150, and the temperature of the refrigerant in the heat exchange tube 120 after heat exchange increases and the gas , and then rise through the first air pipe 140 and return to the heat pipe 130. In this process, no circulation pump is needed to drive the refrigerant.

Preferably, the circulation pipeline can be filled with refrigerant, and the cooling-only air-conditioning device, the heating-only air-conditioning device, and the heating-and-cooling air-conditioning device do not require the upper and lower positions of the heat conduction tube 130 and the heat exchange tube 120 . The embodiment in which the heat conduction pipe 130 is located below the heat exchange pipe 120 shown in FIG. 1 can be used in a cooling-only air-conditioning device, a heating-only air-conditioning device or a heating-and-cooling air-conditioning device. The embodiment in which the heat conduction pipe 130 is located above the heat exchange pipe 120 described in FIG. 2 can also be used in a cooling-only air-conditioning device, a heating-only air-conditioning device or a heating-and-cooling air-conditioning device. The refrigerant in the circulation pipeline flows through the circulation pump, so as to guide the high-temperature refrigerant and the low-temperature refrigerant in the heat transfer tube 130 to flow into the heat exchange tube 120 .

Specifically, the outdoor unit 170 is equipped with a compression system, which is similar to the structure of the outdoor unit of an air conditioner. The compression system includes a compressor and a four-way valve. The compressor compresses the refrigerant to a high temperature and high pressure state, and the four-way valve is used to switch The direction in which the refrigerant flows is that the second air pipe 171 of the outdoor unit 170 is connected to the first air pipe 140 , and the second liquid pipe 172 of the outdoor unit 170 is connected to the first liquid pipe 150 .

Specifically, the second air pipe 171 of the outdoor unit 170 is connected to the first air pipe 140 , which means that the free end of the second air pipe 171 away from the outdoor unit 170 is connected to the first air pipe 140 . The second liquid pipe 172 of the outdoor unit 170 is connected to the first liquid pipe 150, which means that the free end of the second liquid pipe 172 away from the outdoor unit 170 is connected to the first liquid pipe 150. The outdoor unit 170 is connected in parallel with the circulation pipeline.

The third temperature sensor, located in the energy storage box 110, is used to detect the temperature of the energy storage box and send it to the control module.

The time module is used to obtain and record the time value tx when the energy storage mode is running, and send it to the control module.

The control module is connected to the third temperature sensor and the time module in communication, and is used to receive the temperature and time value of the energy storage box, and determine whether to store heat in the energy storage box according to the temperature and time value of the energy storage box.

Further, as shown in FIG. 1 and FIG. 2, the second liquid pipe 172 is provided with a first valve body 181, and the second air pipe 171 is provided with a third valve body 183, and the first valve body 181 is used for The circulation of the refrigerant in the second liquid pipe 172 is controlled, and the third valve body 183 is used to control the circulation of the refrigerant in the second gas pipe 171 .

It should be noted that the valve body described in this embodiment can be a solenoid valve, which can control the on-off of the pipeline, and throttle and speed the flow in the pipeline. Or, when it is only necessary to cut off the flow, an electronic cut-off valve can be used correspondingly.

Further, as shown in FIG. 1 and FIG. 2, the first liquid pipe 150 is provided with a second valve body 182 and a sixth valve body 186, and the second valve body 182 and the sixth valve body 186 are respectively Located on both sides of the connection between the first liquid pipe 150 and the second liquid pipe 172 .

Preferably, the second valve body 182 in this embodiment is located on the side close to the heat pipe 130 relative to the connection between the first liquid pipe 150 and the second liquid pipe 172; the sixth valve body 186 is located on the side close to the heat exchange tube 120 relative to the connection between the first liquid pipe 150 and the second liquid pipe 172 .

Further, as shown in FIG. 1 and FIG. 2, the first air pipe 140 is provided with a fourth valve body 184 and a fifth valve body 185, and the fourth valve body 184 and the fifth valve body 185 are respectively located at Both sides of the connection between the first air pipe 140 and the second air pipe 171 .

Preferably, the fifth valve body 185 in this embodiment is located on the side close to the heat pipe 130 relative to the connection between the first air pipe 140 and the second air pipe 171; The fourth valve body 184 is located on a side close to the heat exchange tube 120 relative to the connection between the first air pipe 140 and the second air pipe 171 .

In the air conditioning system described in this embodiment, by setting the energy storage box and the heat pipe, the heat or cold stored in the energy storage box is exchanged with the heat pipe, and the heat pipe transfers the heat or cold stored in the energy storage box to the heat exchanger. Heat dissipation is carried out at the heat pipe. When the heating or cooling is turned off, the temperature of the refrigerant in the energy storage box will not change greatly to prevent energy loss. At the same time, by connecting the compression system in parallel on the circulation pipeline, the compression system can not only store heat and cold for the energy storage box, but also provide high-temperature or low-temperature refrigerant for the heat exchange tube to realize heating, cooling, heat storage and cold storage of the air conditioning system. multifunctional.

On the basis of the above-mentioned air-conditioning system, this embodiment also provides a control method for the air-conditioning system, as shown in FIG. 3 , including the following steps:

Step S100, obtain the time value tx, determine that the time value tx falls into the preset low-power time interval, and enter the energy storage mode;

Step S200 , when the energy storage mode is running, the temperature Tx of the energy storage tank is obtained, and the compression system is controlled to deliver refrigerant into the heat pipe 130 based on the temperature Tx of the energy storage tank.

Specifically, the energy storage mode is a cold storage mode or a heat storage mode.

Preferably, after entering the energy storage mode, the time value tx is acquired in real time, and when the acquired time value tx falls within the preset high-power time interval, the energy storage mode is exited.

Preferably, when the start-up command of the air conditioner 100 is received in the energy storage mode, the energy storage mode is also exited. It should be noted that receiving the start-up command of the air conditioner 100 refers to receiving the start-up command sent by the user through the remote control or the control button. Heating or cooling is performed outside, and the energy storage box stops accumulating energy.

Specifically, the preset low power time interval refers to the valley value time interval of power consumption preset in the memory of the air conditioner 100 . For example, in a certain area, the electricity consumption valley time period is between 0:00 am and 6:00 am, and the electricity charge for the 6 hours between 0:00 am and 6:00 am is lower, and after 6:00 am to the early morning of the next day The 18-hour electricity charge between midnight is high, so the 6-hour time period between midnight and 6 am can be entered into the air conditioner 100, and the air conditioner 100 obtains the time period information and determines it as the preset low-power time interval . In addition, the preset high power time interval refers to the preset power consumption peak time period in the memory of the air conditioner 100, such as entering the 18-hour time period between 6:00 a.m. and 0:00 a.m. of the next day into the air conditioner 100 Determined as the preset high power time interval.

Preferably, the air conditioner 100 is provided with a time setting program, and the user enters it through a mobile phone or a remote control; optionally, the air conditioner 100 can obtain the valley value of electricity consumption in the area through the Internet of Things after obtaining the positioning information. The time period and peak power consumption time period, and determine the acquired power consumption valley time period as the preset low power time interval, and determine the obtained power consumption peak time period as the preset high power time interval, and can realize automatic update .

In the energy storage air conditioner control method described in this embodiment, after the air conditioner 100 is turned off or the user chooses to turn on the energy storage mode, the air conditioner 100 automatically enters the energy storage control program, and judges whether it is in the valley value of low electricity consumption by time During the time period, the energy storage is carried out at the time when the electricity cost is low, so that when the electricity cost is high during the day, the heat stored in the energy storage box is used for heating or cooling first, and then the heating or cooling is performed by turning on the compression system, which can both Reduce the user's electricity consumption, reduce the electricity cost, and reduce the electricity consumption during the peak period of electricity consumption, and improve the uniformity of regional electricity consumption.

When the determined time value tx falls into the preset low-power time interval, it is in the valley value interval of electricity consumption at this time, the electricity cost is low, the electricity consumption in the area is small, and the voltage is stable. Then obtain the temperature Tx of the energy storage box, and control the compression system to deliver refrigerant into the heat pipe 130 based on the temperature Tx of the energy storage box, so as to input high-temperature refrigerant into the energy storage box through the compression system for heat storage, or input low-temperature refrigerant for cold storage.

Specifically, the control of the compression system to deliver the refrigerant into the heat pipe 130 based on the temperature Tx of the accumulator tank includes:

When it is determined that the next operation mode of the air conditioner 100 is to operate in the heating mode, it is determined that the temperature Tx of the energy storage tank is lower than the first preset temperature value T1, the compression system is controlled to open in the heating mode, and the first valve body 181 and the second valve body are controlled 182. The third valve body 183 and the fifth valve body 185 are opened.

Specifically, for the heating-only air conditioner 100, the air conditioner automatically determines the next operation mode to operate in the heating mode; heat mode.

When the air conditioner determines that the next operation mode is to operate in the heating mode, when the temperature Tx of the energy storage tank is lower than the first preset temperature value T1, the compression system is turned on in the heating mode, and the first valve body 181 and the second valve body are opened at the same time. Body 182, third valve body 183, and fifth valve body 185. The high-temperature and high-pressure refrigerant produced by the compressor enters the heat transfer pipe 130 through the third valve body 183 and fifth valve body 185 in sequence, and the energy stored in the energy storage tank 110 The heat medium is heated, and the refrigerant after heat exchange is returned to the compressor through the second valve body 182 and the first valve body 181 , so as to realize the circulation heat storage of the energy storage tank 110 by the compression system.

Specifically, the first preset temperature value T1 is the highest temperature value that the energy storage box 110 can be heated to. Heating the energy storage box 110 to a temperature higher than the first preset temperature value T1 requires more energy consumption, and the storage When the temperature inside the energy box 110 is higher than the first preset temperature value T1, the temperature loss speed is accelerated. Preferably, the first preset temperature value T1 ranges from 70°C to 80°C, preferably 75°C.

Further, after controlling the compression system to open in the heating mode and controlling the opening of the first valve body 181, the second valve body 182, the third valve body 183 and the fifth valve body 185, it is determined that the temperature Tx of the energy storage tank is greater than or equal to the first When a preset temperature value T1 and/or time value tx fall into a preset high-voltage time interval, the compression system, the first valve body 181 , the second valve body 182 , the third valve body 183 and the fifth valve body 185 are controlled to be closed.

Specifically, when heat storage is performed in the heating mode, when the temperature Tx of the energy storage tank rises to be greater than or equal to the first preset temperature value T1, or when the time value tx enters the high-power time interval, the heat storage mode is exited, The compression system, the first valve body 181 , the second valve body 182 , the third valve body 183 and the fifth valve body 185 are directly closed.

The control of the compression system to deliver the refrigerant into the heat pipe 130 based on the temperature Tx of the energy storage tank further includes:

When it is determined that the next operation mode of the air conditioner 100 is to operate in the cooling mode, it is determined that the temperature Tx of the energy storage tank is greater than the second preset temperature value T2, and the compression system is controlled to open in the cooling mode, and the first valve body 181 and the second valve body 181 are controlled. The valve body 182 , the third valve body 183 and the fifth valve body 185 are opened.

Specifically, for the cooling-only air conditioner 100, the air conditioner automatically determines that the next operation mode is to operate in the cooling mode; for the cooling and heating type air conditioner 100, the air conditioner needs to make a judgment to determine whether the next operation mode is the cooling mode .

When the air conditioner determines that the next operating mode is to operate in the cooling mode, when the temperature Tx of the energy storage tank is greater than the second preset temperature value T2, the compression system is turned on in the cooling mode, and the first valve body 181 and the second valve body 182 are opened at the same time 1. The third valve body 183 and the fifth valve body 185. The high temperature and high pressure produced by the compressor first dissipates heat through the outdoor heat exchanger of the outdoor unit, and the low-temperature refrigerant after heat dissipation enters through the first valve body 181 and the second valve body 182 in turn. into the heat pipe 130 to cool down the cold storage medium in the energy storage tank 110, and the refrigerant after heat exchange returns to the compressor through the fifth valve body 185 and the third valve body 183, realizing the compression system to the energy storage tank 110. Cycle cold storage.

Specifically, the second preset temperature value T2 is the lowest temperature value at which the energy storage box 110 can cool down, and the temperature in the energy storage box 110 needs to consume more energy when the temperature in the energy storage box 110 is lowered to a temperature lower than the second preset temperature value T2. , and when the temperature in the energy storage tank 110 is lower than the second preset temperature value T2, the temperature loss speed is accelerated. For example, the second preset temperature value T2 ranges from 0°C to -10°C, preferably -5°C.

Further, after controlling the compression system to open in cooling mode, and controlling the opening of the first valve body 181, the second valve body 182, the third valve body 183 and the fifth valve body 185, it is determined that the energy storage When the tank temperature Tx is less than or equal to the second preset temperature value T2 or the time value tx falls into the preset high power time interval, control the compression system, the first valve body 181, the second valve body 182, The third valve body 183 is closed to the fifth valve body 185 .

Specifically, when performing cold storage in cooling mode, when the temperature Tx of the energy storage box drops to less than or equal to the second preset temperature value T2, or when the time value tx enters the high-power time interval, the cold storage mode is exited and the compression is directly turned off. system, the first valve body 181 , the second valve body 182 , the third valve body 183 and the fifth valve body 185 .

Further, for the heating and cooling air conditioner, this embodiment also provides a control method for determining the next operating mode of the air conditioner, including:

When it is determined that the outdoor temperature is less than the fifth preset temperature value T5, the temperature Tx of the energy storage box is greater than the outdoor temperature, and the temperature Tx of the energy storage box is greater than the sixth preset temperature value T6, it is determined that the next operating mode of the air conditioner 100 is Heating mode operation.

Specifically, the fifth preset temperature value T5 is in the range of -5°C to 15°C, preferably 10°C; the sixth preset temperature value T6 is in the range of 20°C to 30°C, preferably 25°C. When the outdoor temperature is less than 10°C, the temperature Tx of the energy storage box is greater than the outdoor temperature, or the temperature Tx of the energy storage box is greater than 25°C, it is determined that the next time the air conditioner 100 will operate next time is based on the lower outdoor temperature or the higher temperature of the energy storage box. The operating mode is heating mode.

It also includes: when it is determined that the outdoor temperature is greater than the seventh preset temperature value T7, the temperature Tx of the energy storage box is lower than the outdoor temperature, and the temperature Tx of the energy storage box is lower than the eighth preset temperature value T8, it is determined that the next step of the air conditioner 100 is The operating mode operates in cooling mode.

Specifically, the seventh preset temperature value T7 is in the range of 20°C to 30°C, preferably 25°C; the eighth preset temperature value T8 is in the range of 10°C to 20°C, preferably 15°C. When the outdoor temperature is greater than 25°C, the temperature of the energy storage box Tx is lower than the outdoor temperature, or the temperature of the energy storage box Tx is less than 15°C, the next time the air conditioner 100 will be determined is based on the fact that the outdoor temperature is higher or the temperature of the energy storage box is lower. The operating mode is cooling mode.

Optionally, when the air conditioner 100 receives the cooling mode or heating mode exit signal, the user is asked whether the next time or several times in the future will be the heat storage mode or the cold storage mode through the display panel or the remote control, so that when entering the energy storage mode, Determine whether the next operating mode is heating mode or cooling mode.

Further, on the basis of the above-mentioned embodiments, the control method described in this embodiment further includes a method of correcting the first preset temperature value T1 and the second preset temperature value T2.

Specifically, when it is determined that the air conditioner 100 is continuously operating in the heating mode within the preset number of days and the compression system is not turned on, the first preset temperature value T1 is corrected, and the correction formula includes:

T1＝△T1×(Ts-Tw)+tp1×△T2+T3

Among them, ΔT1 is the average temperature Tx decrease of the energy storage box when the indoor temperature increases by 1°C when the heating mode is running within the preset number of days, and Tw is the average outdoor temperature sent by the cloud server in the preset time period of the next day , Ts is the average value of the set temperature of the air conditioner 100 within the preset number of days, tp1 is the ratio of the total operating time of the heating mode to the number of days of heating mode operation within the preset number of days, ΔT2 is the preset The average temperature drop of the energy storage tank temperature Tx per hour after the indoor temperature is greater than or equal to the set temperature when the heating mode is running in the number of days, T3 is the third preset temperature value.

It should be noted that the preset number of days described in this embodiment is a number of consecutive days, but the heating mode may not be turned on every day within the number of consecutive days, and the heating mode may be turned on at intervals, preferably no more than 2 days. Preferably, the preset number of days is in the range of 3 days to 7 days.

For example, when the preset number of days is 3 days, the air conditioner operates in the heating mode every day during the 3 days, and the compression system is not turned on during the heating mode, indicating that the air conditioner only uses the heat stored in the energy storage box for heating during the 3 days.

At this time, obtain the average value of the temperature Tx decrease of the energy storage tank when the indoor temperature increases by 1°C when the air conditioner operates in the heating mode within 3 days; for example, the air conditioner operates the heating mode once a day within 3 days, The indoor temperature increases are 8°C, 13°C, and 10°C, and the temperature Tx of the energy storage box decreases by 20°C, 25°C, and 31°C every day due to the heating mode. Therefore, the temperature Tx of the energy storage box within 3 days The average decrease ΔT1 is the ratio of the average decrease of the temperature Tx of the energy storage tank to the average increase of the indoor temperature, and the average decrease ΔT1 of the temperature Tx of the energy storage tank is calculated to be 2.45°C. It should be noted that when the heating mode is running, there is an indoor unit fan standby state. At this time, the indoor temperature remains unchanged or decreases, and the average temperature decrease of the energy storage tank when the temperature remains unchanged or decreases is not included in this step. In this step, only the temperature drop value of the energy storage tank temperature Tx is calculated when the indoor temperature rises.

And, the average outdoor temperature Tw sent by the cloud server in the preset time period of the next day is obtained through the communication module, such as 12°C; between 0:00 a.m. every day; or the time period when a certain user is likely to turn on the heating mode, such as between 8:00 a.m. and 17:00 p.m. Preferably, after receiving the next day's average outdoor temperature Tw sent by the cloud server, the average outdoor temperature Tw is also corrected. Tw adds a corrected temperature on the basis of the average outdoor temperature, and the corrected temperature is within the range of 1°C to 3°C. Preferably it is 2°C.

And, the average value Ts of the set temperature within 3 days, if the first day is 29°C, the second day is 28°C, and the third day is 30°C, then the average value Ts of the set temperature within 3 days is 29°C.

And, the heating mode runs for 1.5 hours on the first day, 1.8 hours on the second day, and 1.2 hours on the third day, so tp1 is 2.6 hours.

And, when running in heating mode within 3 days, after the indoor temperature reaches the set temperature, and the indoor unit fan is turned off and is in the standby state, the average temperature drop of the energy storage tank temperature Tx per hour is 0.4°C/h on the first day, The second day is 0.5°C/h, the third day is 0.6°C/h, and ΔT2 is 0.5°C/h. It should be noted that when the heating mode is running, after the indoor temperature reaches the set temperature, the air conditioner is in standby mode or exits the heating mode, at this time, the energy storage tank and the first liquid pipe and the first air pipe do not communicate with refrigerant. The energy storage box does not supply heat to the outside, but only has heat loss. Record the average temperature drop of the energy storage box temperature Tx per hour at this time.

And, the third preset temperature value T3 is the lowest temperature at which the energy storage tank can provide heat for the heat exchange tube 120. When the temperature of the energy storage tank drops below the third preset temperature value T3, the energy storage tank cannot be used as a heat exchange tube. 120 separate heating device needs to provide heat through the compression system to increase the indoor temperature, preferably 30°C.

Therefore, the first preset temperature value T1 is corrected, and the correction is calculated as:

T1＝△T1×(Ts-Tw)+tp1×△T2+T3

After correction, the first preset temperature value T1 is 68.05°C. During the preset low-power time interval, when the temperature of the energy storage box is lower than 68.05°C, it will start to enter the heat storage mode until the temperature of the energy storage box increases to 68.05°C Stop heat storage.

In the method for correcting the first preset temperature value T1 described in this embodiment, the energy value consumed by the energy storage box is calculated when the air conditioner only supplies heat through the energy storage box within the preset number of days, and combined with the The minimum temperature value at which the energy box provides energy to the heat exchange tube 120 is used to calculate the maximum temperature required for heating to meet the external heat supply of the energy storage box, so as to prevent heat loss and waste caused by heating the energy storage box to an excessively high temperature.

Further, when it is determined that the air conditioner 100 is continuously operating in cooling mode and the compression system is not turned on within the preset number of days, the second preset temperature value T2 is corrected, and the correction formula includes:

T2＝T4-△T3×(Tw-Ts)+tp2×△T4

Wherein, ΔT3 is the average temperature increase of the energy storage box Tx when the indoor temperature is lowered by 1°C during the operation of the cooling mode within the preset number of days, and Tw is the average outdoor temperature sent by the cloud server in the preset time period of the next day, Ts is the average value of the set temperature of the air conditioner 100 within the preset number of days, tp2 is the ratio of the total operating time of the cooling mode to the number of days of cooling mode operation within the preset number of days, ΔT4 is the cooling mode within the preset number of days When the mode is running, the indoor temperature is less than or equal to the set temperature, and the average temperature rise of the temperature Tx of the energy storage box per hour, T4 is the fourth preset temperature value.

Similarly, the preset number of days described in this embodiment is a number of consecutive days, but the cooling mode is not necessarily turned on every day within the number of consecutive days, and the cooling mode can be turned on at intervals of days, preferably no more than 2 days. Preferably, the preset number of days is in the range of 3 days to 7 days.

For example, when the preset number of days is 3 days, the air conditioner operates in the cooling mode every day during the 3 days, and the compression system is not turned on during the cooling mode, indicating that the air conditioner only uses the heat stored in the energy storage box for cooling within the 3 days.

At this time, when the air conditioner operates in cooling mode within 3 days, the average value of the increase in temperature Tx of the energy storage box when the indoor temperature decreases by 1°C is obtained; for example, if the air conditioner operates in cooling mode once a day within 3 days, the indoor temperature The reduction values are 9°C, 11°C and 13°C, respectively, and the temperature Tx of the energy storage box increases by 23°C, 25°C, and 31°C every day due to the operation of the refrigeration mode, so the average increase in the temperature Tx of the energy storage box within 3 days The value ΔT3 is the ratio of the average increase of the temperature Tx of the energy storage box to the average decrease of the indoor temperature, and the average increase ΔT3 of the temperature Tx of the energy storage box is calculated to be 2.4°C. It should be noted that when the cooling mode is running, there is an indoor unit fan standby state, and the indoor temperature remains unchanged or rises at this time, and the average temperature drop of the energy storage box when the temperature remains unchanged or rises is not included in this calculation. In the step, in this step, only the temperature increase value of the temperature Tx of the energy storage box is calculated when the indoor temperature decreases.

And, the average outdoor temperature Tw sent by the cloud server in the preset time period of the next day is obtained through the communication module, such as 30°C; between 0:00 a.m. every day; or the time period when a certain user is likely to turn on the cooling mode, such as between 8:00 a.m. and 17:00 p.m. Preferably, after receiving the next day's average outdoor temperature Tw sent by the cloud server, the average outdoor temperature Tw is also corrected, and the corrected temperature is added on the basis of the average outdoor temperature Tw, and the corrected temperature is within the range of 1°C to 3°C. Preferably it is 2°C.

And, the average value Ts of the set temperature within 3 days, if the first day is 21°C, the second day is 24°C, and the third day is 22°C, then the average value Ts of the set temperature within 3 days is 22.3°C.

And, the cooling mode runs for 1.2 hours on the first day, 1.5 hours on the second day, and 1.6 hours on the third day, so tp2 is 1.4 hours.

And, when the cooling mode is running within 3 days, after the indoor temperature reaches the set temperature, when the fan is turned off and in the standby state within the first preset time period, the average temperature increase of the temperature Tx of the energy storage box per hour, the first day The temperature is 0.6°C/h, the second day is 0.9°C/h, the third day is 0.6°C/h, and ΔT4 is 0.7°C/h. It should be noted that when the cooling mode is running, after the indoor temperature reaches the set temperature, the air conditioner is in standby mode or exits the cooling mode. The box does not provide cooling to the outside but only has cooling loss. Record the average temperature rise of the temperature Tx of the energy storage box at this time per hour.

And, the fourth preset temperature value T4 is the highest temperature at which the energy storage tank can provide cooling capacity for the heat exchange tube 120. When the temperature of the energy storage tank rises to be greater than or equal to the fourth preset temperature value T4, the energy storage tank cannot The cooling capacity is provided for the heat exchange tube 120 to reduce the indoor temperature, preferably 20°C.

Therefore, the second preset temperature value T2 is corrected, and the correction is calculated as:

T2＝T4-△T3×(Tw-Ts)+tp2×△T4

After correction, the second preset temperature value T2 is -4.2°C. During the preset low-power time interval, when the temperature of the energy storage box is greater than or equal to -4.2°C, it will start to enter the cold storage mode until the temperature of the energy storage box drops to - Stop cold storage at 4.2°C.

In the method for correcting the second preset temperature value T2 described in this embodiment, the energy value consumed by the energy storage box is calculated when the air conditioner only uses the energy storage box for cooling within the preset number of days, and combined with the energy storage The highest temperature value of cooling provided by the tank to the heat exchange tube 120 is used to calculate the minimum temperature that needs to be lowered to satisfy the external cooling of the energy storage tank, so as to prevent the loss of cooling capacity caused by the cooling of the energy storage tank to a temperature that is too low.

Specifically, in this embodiment, on the basis of the above-mentioned implementation manners, the control method further includes: first determining whether the air conditioner operates in a heating mode or a cooling mode;

When the air conditioner is running in the heating mode, it is determined that the temperature Tx of the energy storage tank is less than or equal to the third preset temperature value T3, the compression system is controlled to open in the heating mode, and the first valve body 181 and the third valve body 183 are controlled. 1. Open the fourth valve body 184 and the sixth valve body 186; determine that the temperature Tx of the energy storage tank is greater than the third preset temperature value T3, and control the second valve body 182, the fourth valve body 184, and the fifth valve body 185 and the sixth valve body 186 are opened;

When the air conditioner is running in the cooling mode, it is determined that the temperature Tx of the energy storage tank is greater than or equal to the fourth preset temperature value T4, the compression system is controlled to open in the cooling mode, and the first valve body 181, the third valve body 183, the first valve body 181, the third valve body 183, and the The fourth valve body 184 and the sixth valve body 186 are opened; it is determined that the temperature Tx of the energy storage tank is less than the fourth preset temperature value T4, and the second valve body 182, the fourth valve body 184, the fifth valve body 185 and the second valve body 182 are controlled. The sixth valve body 186 is opened;

After it is determined that the air conditioner exits the heating mode or the cooling mode, the time value tx is acquired, and it is judged whether the time value tx falls within a preset low-power time interval.

Specifically, before determining whether the time value tx falls within the preset low power time interval in the step S100 , it is first determined whether the air conditioner operates in cooling mode or heating mode.

Specifically, when the air conditioner operates in the heating mode, it is first determined whether the temperature Tx of the energy storage tank is less than or equal to the third preset temperature value T3.

If the temperature Tx of the energy storage box is greater than the third preset temperature value T3 (value 30°C), it indicates that the energy storage box can be used alone for heat supply at this time, without the intervention of the compressor, and the second valve body 182 and the fourth valve body are controlled. body 184, the fifth valve body 185 and the sixth valve body 186 are opened; the high-temperature refrigerant in the heat transfer tube 130 flows through the fifth valve body 185 and the fourth valve body 184 in turn and enters the heat exchange tube 120 to supply heat to the outside through the internal fan. After the heat exchange, the refrigerant flows through the sixth valve body 186 and the second valve body 182 in sequence and returns to the heat transfer pipe 130 to realize the circulation of the heating refrigerant.

If the temperature Tx of the energy storage tank is less than or equal to the third preset temperature value T3 (value 30°C), or the temperature Tx of the energy storage tank drops to less than or equal to the third preset temperature value T3 (value 30°C), it indicates At this time, the energy storage tank cannot be used alone for heat supply, and the compressor needs to be intervened for heat supply. Therefore, the compression system is controlled to operate in the heating mode, and the first valve body 181, the third valve body 183, the fourth valve body 184 and the first valve body 181 are controlled. The six-valve body 186 is opened, and the high-temperature gaseous refrigerant in the compression system flows through the third valve body 183 and the fourth valve body 184 to enter the heat exchange tube 120, and the internal fan supplies heat to the outside, and the refrigerant after heat exchange flows through the second valve body in sequence. The six valve bodies 186 and the first valve body 181 return to the compression system to realize the circulation of heating and refrigerant.

Specifically, when the air conditioner operates in cooling mode, it is first determined whether the temperature Tx of the energy storage tank is greater than or equal to the fourth preset temperature value T4.

If the temperature Tx of the energy storage box is less than the fourth preset temperature value T4 (value 20°C), it indicates that the energy storage box can be used alone for cooling at this time, without the intervention of the compressor, to control the second valve body 182 and the fourth valve body Body 184, fifth valve body 185, and sixth valve body 186 are opened; the low-temperature refrigerant in the heat transfer tube 130 flows through the second valve body 182 and the sixth valve body 186 into the heat exchange tube 120 in turn, and is cooled by the internal fan. After the heat exchange, the refrigerant flows through the fourth valve body 184 and the fifth valve body 185 and returns to the heat transfer tube 130 to realize the circulation of the refrigeration refrigerant.

If the temperature Tx of the energy storage tank is greater than or equal to the fourth preset temperature value T4 (value 20°C), or the temperature Tx of the energy storage tank rises to greater than or equal to the fourth preset temperature value T4 (value 20°C), It shows that the energy storage tank alone cannot be used for cooling at this time, and the intervention of the compressor is required for cooling, so the compression system is controlled to operate in cooling mode, and the first valve body 181, the third valve body 183, the fourth valve body 184 and the first valve body 184 are controlled. The six valve bodies 186 are opened, and the low-temperature refrigerant in the compression system flows through the first valve body 181 and the sixth valve body 186 to enter the heat exchange tube 120, and the internal fan supplies heat to the outside, and the refrigerant after heat exchange flows through the fourth valve body in sequence. The valve body 184 and the third valve body 183 are returned to the compression system to realize the circulation of the refrigerating medium.

The heating system control device provided by this application is described below, and the control device described below and the control method described above can be referred to in correspondence.

FIG. 4 illustrates a schematic diagram of the physical structure of an electronic device. As shown in FIG. 4, the electronic device may include: a processor (processor) 210, a communication interface (Communications Interface) 220, a memory (memory) 230 and a communication bus 240, Wherein, the processor 210 , the communication interface 220 , and the memory 230 communicate with each other through the communication bus 240 . The processor 210 can invoke logic instructions in the memory 230 to execute the air conditioning system control method.

In addition, the above-mentioned logic instructions in the memory 230 may be implemented in the form of software function units and may be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present application is essentially 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 instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .

On the other hand, the present application also provides a computer program product, the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer During execution, the computer can execute the above air conditioning system control method.

In yet another aspect, the present application also provides a non-transitory computer-readable storage medium, on which a computer program is stored, and the computer program is implemented when executed by a processor to execute the above air-conditioning system control method.

The device embodiments described above are only illustrative, and the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network elements. Part or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. It can be understood and implemented by those skilled in the art without any creative efforts.

Through the above description of the implementations, those skilled in the art can clearly understand that each implementation can be implemented by means of software plus a necessary general hardware platform, and of course also by hardware. Based on this understanding, the essence of the above technical solution or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products can be stored in computer-readable storage media, such as ROM/RAM, magnetic discs, optical discs, etc., including several instructions to make a computer device (which may be a personal computer, server, or network device, etc.) execute the methods described in various embodiments or some parts of the embodiments.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims (13)

1. An air conditioning system comprising:

   An air conditioner, the air conditioner includes an indoor unit and an outdoor unit, the indoor unit is provided with an energy storage box, a heat exchange pipe, a heat conduction pipe, a first air pipe and a first liquid pipe, the heat exchange pipe, the first A liquid pipe, the heat conduction pipe and the first air pipe are sequentially connected to form a circulation pipeline, the circulation pipeline is provided with a refrigerant, and the heat conduction pipe is located in the energy storage tank;

   The outdoor unit is provided with a compression system, the compression system includes a compressor and a four-way valve, the second air pipe of the outdoor unit is connected to the first air pipe, and the second air pipe of the outdoor unit is connected to the on the first liquid pipe;

   The third temperature sensor, located in the energy storage box, is used to detect the temperature of the energy storage box and send it to the control module;

   The time module is used to obtain and record the time value when the energy storage mode is running, and send it to the control module;

   A control module is connected in communication with the third temperature sensor and the time module respectively.
2. The air conditioning system according to claim 1, wherein the second liquid pipe is provided with a first valve body, and the second air pipe is provided with a third valve body.
3. The air conditioning system according to claim 1 or 2, wherein the first liquid pipe is provided with a second valve body and a sixth valve body, and the second valve body and the sixth valve body are respectively located at the first On both sides of the connection between a liquid pipe and the second air pipe, the second valve body is located on the side of the sixth valve body close to the energy storage tank.
4. The air conditioning system according to claim 1 or 2, wherein the first air pipe is provided with a fourth valve body and a fifth valve body, and the fourth valve body and the fifth valve body are respectively located in the first air pipe. On both sides of the connection between the air pipe and the second air pipe, the fifth valve body is located on the side of the fourth valve body close to the energy storage box.
5. A method for controlling an air conditioning system, comprising the steps of:

   Obtain the time value, confirm that the time value falls into the preset low-power time interval, and enter the energy storage mode;

   When the energy storage mode is running, the temperature of the energy storage box is obtained, and the compression system is controlled to deliver refrigerant into the heat pipe based on the temperature of the energy storage box.
6. The air conditioning system control method according to claim 5, wherein said controlling the compression system to deliver the refrigerant into the heat pipe based on the temperature of the energy storage tank comprises:

   When it is determined that the next operation mode of the air conditioner is to operate in the heating mode, it is determined that the temperature of the energy storage tank is lower than the first preset temperature value, the compression system is controlled to open in the heating mode, and the first valve body, the second valve body, and the third valve body are controlled. The valve body and the fifth valve body are opened;

   And/or, when it is determined that the next operation mode of the air conditioner is to operate in the cooling mode, it is determined that the temperature of the energy storage tank is greater than the second preset temperature value, the compression system is controlled to open in the cooling mode, and the first valve body, the second The second valve body, the third valve body and the fifth valve body are opened.
7. The air conditioning system control method according to claim 6, wherein after controlling the compression system to open in heating mode and controlling the opening of the first valve body, the second valve body, the third valve body and the fifth valve body, the energy storage tank is determined The temperature is greater than or equal to the first preset temperature value or the time value falls into the preset high-power time interval, and the compression system, the first valve body, the second valve body, and the third valve body are controlled closed with the fifth valve body;

   And/or, after controlling the compression system to open in refrigeration mode, and controlling the opening of the first valve body, the second valve body, the third valve body and the fifth valve body, it is determined that the temperature of the energy storage tank is less than or when the second preset temperature value or time value falls into the preset high power time interval, control the compression system, the first valve body, the second valve body, the third valve body and the The fifth valve body is closed.
8. The air conditioning system control method according to claim 6 or 7, wherein said determining that the next operation mode of the air conditioner is to operate in a heating mode comprises:

   When it is determined that the outdoor temperature is less than the fifth preset temperature value, the temperature of the energy storage tank is greater than the outdoor temperature, or the temperature of the energy storage tank is greater than the sixth preset temperature value, it is determined that the next operating mode of the air conditioner is to operate in the heating mode.
9. The air conditioning system control method according to claim 6 or 7, wherein said determining that the next operation mode of the air conditioner is to operate in cooling mode comprises:

   When it is determined that the outdoor temperature is greater than the seventh preset temperature value, the temperature of the energy storage tank is lower than the outdoor temperature, and the temperature of the energy storage tank is lower than the eighth preset temperature value, it is determined that the next operating mode of the air conditioner is to operate in cooling mode.
10. The air conditioning system control method according to claim 7, wherein the control method further comprises: determining that the air conditioner operates continuously in the heating mode and does not turn on the compression system within a preset number of days, and the first preset temperature The value is corrected, and the correction formula includes:

    T1＝△T1×(Ts-Tw)+tp1×△T2+T3

    Among them, T1 is the first preset temperature value, △T1 is the average temperature decrease of the energy storage box when the indoor temperature increases by 1°C when the indoor temperature is running in the heating mode within the preset number of days, and Tw is the next day’s value sent by the cloud server The average outdoor temperature within the preset time period, Ts is the average value of the set temperature of the air conditioner within the preset number of days, tp1 is the ratio of the total running time of the heating mode to the number of days of heating mode operation within the preset number of days, ΔT2 is the average temperature decrease of the temperature of the energy storage tank per hour after the indoor temperature is greater than or equal to the set temperature when the heating mode is running within the preset number of days, and T3 is the third preset temperature value.
11. The air-conditioning system control method according to claim 7, wherein the control method further comprises: determining that the air-conditioning device continuously operates in cooling mode and does not turn on the compression system within a preset number of days, and the second preset temperature value Make corrections, the correction formula includes:

    T2＝T4-△T3×(Tw-Ts)+tp2×△T4

    Among them, T2 is the second preset temperature value, ΔT3 is the average temperature increase of the energy storage box when the indoor temperature is reduced by 1°C during the cooling mode operation within the preset number of days, and Tw is the next day’s preset value sent by the cloud server. Assuming the average outdoor temperature within the time period, Ts is the average value of the set temperature of the air conditioner within the preset number of days, tp2 is the ratio of the total operating time of the cooling mode to the number of days of cooling mode operation within the preset number of days, ΔT4 is When the indoor temperature is less than or equal to the set temperature during the preset number of days, the temperature of the energy storage tank is the average temperature increase per hour, and T4 is the fourth preset temperature value.
12. The air-conditioning system control method according to claim 10 or 11, wherein the control method further includes correcting the Tw, and the value of the Tw is the difference between the average outdoor temperature and the corrected value of the outdoor average temperature in the preset time period of the next day sent by the cloud server. The sum of the temperature values, the corrected temperature values are in the range of 1°C to 3°C.
13. The air-conditioning system control method according to any one of claims 5-7, wherein the control method further comprises: first judging whether the air-conditioning device operates in a heating mode or a cooling mode;

    When the air conditioner is running in the heating mode, it is determined that the temperature of the energy storage tank is less than or equal to the third preset temperature value, the compression system is controlled to open in the heating mode, and the first valve body, the third valve body, and the fourth valve body are controlled The body and the sixth valve body are opened; determine that the temperature of the energy storage tank is greater than the third preset temperature value, and control the opening of the second valve body, the fourth valve body, the fifth valve body and the sixth valve body;

    When the air conditioner is running in the cooling mode, it is determined that the temperature of the energy storage tank is greater than or equal to the fourth preset temperature value, the compression system is controlled to open in the cooling mode, and the first valve body, the third valve body, the fourth valve body and the The sixth valve body is opened; it is determined that the temperature of the energy storage tank is lower than the fourth preset temperature value, and the second valve body, the fourth valve body, the fifth valve body and the sixth valve body are controlled to open;

    After it is determined that the air conditioner exits the heating mode or the cooling mode, the time value is acquired, and the time value is determined to fall within the preset low-power time interval, and enters the energy storage mode.

Images