Air conditioning system, air conditioning system control method and control device

Abstract

This invention provides an air conditioning system, a control method for the air conditioning system, and a control device thereof. The air conditioning system includes: a compressor, a four-way valve, an indoor heat exchanger, and an outdoor heat exchanger connected via refrigerant pipes; an energy storage device disposed between the indoor and outdoor heat exchangers and thermally coupled to the refrigerant pipes; a water receiving component for collecting condensate is also provided at the bottom of the indoor heat exchanger, the water receiving component being connected to the energy storage device via a condensate pipe, and an adjustable electromagnetic control valve is provided on the condensate pipe. This invention provides an air conditioning system, a control method for the air conditioning system, and a control device thereof, which can fully utilize cooling and heating capacity, especially achieving the reuse of condensate cooling capacity, thereby improving the system's energy utilization rate and reducing system energy consumption. It is environmentally friendly and has a simple and feasible structure.

Description

Technical Field

[0001] This invention relates to the field of electrical technology, and in particular to an air conditioning system, a control method for the air conditioning system, and a control device thereof. Background Technology

[0002] In related technologies, existing air conditioning systems often fail to fully utilize the cooling or heating capacity of the refrigerant during the cooling and heating processes, resulting in the waste of excess energy within the air conditioning system. This leads to high energy consumption and low energy utilization in the air conditioning system. In particular, during the cooling mode of the air conditioner, the condensate produced by the indoor heat exchanger is often directly discharged, and the cooling capacity of the condensate cannot be reused, reducing the energy utilization rate of the system. Summary of the Invention

[0003] This invention provides an air conditioning system, an air conditioning system control method, and a control device thereof to overcome the deficiencies in the prior art and achieve the following technical effects: it can fully utilize cooling and heating capacity, especially realizing the reuse of condensate cooling capacity, thereby improving the system's energy utilization rate and reducing the system's energy consumption. It is green, environmentally friendly, and has a simple and feasible structure.

[0004] An air conditioning system according to a first aspect of the present invention includes:

[0005] The compressor, four-way valve, indoor heat exchanger, and outdoor heat exchanger are connected by refrigerant pipes.

[0006] An energy storage device is installed between the indoor heat exchanger and the outdoor heat exchanger and is thermally coupled to the refrigerant pipe;

[0007] The bottom of the indoor heat exchanger is also provided with a water receiving device for collecting condensate. The water receiving device is connected to the energy storage device through a condensate pipe, and the condensate pipe is provided with an adjustable electromagnetic control valve.

[0008] According to one embodiment of the present invention, a first expansion valve is further provided between the outdoor heat exchanger and the energy storage device, and a second refrigerant pipe section is connected in parallel to both ends of the first refrigerant pipe section where the indoor heat exchanger is located. The first refrigerant pipe section is further provided with a second expansion valve and a first shut-off valve, and the second refrigerant pipe section is provided with a second shut-off valve.

[0009] According to one embodiment of the present invention, in cooling mode, the solenoid control valve and the first shut-off valve are in the open state, and the second shut-off valve is in the closed state; in heating mode, both the solenoid control valve and the second shut-off valve are in the closed state, and the first shut-off valve is in the open state; in defrosting mode, the first shut-off valve and the second shut-off valve are in the open state, and the solenoid control valve is in the closed state.

[0010] According to one embodiment of the present invention, the energy storage device is further connected to a water supply pipe for inputting external water, and the water supply pipe is provided with a third shut-off valve.

[0011] According to one embodiment of the present invention, the condensate pipe is further provided with a water pump and a filter.

[0012] A control method for an air conditioning system based on the first aspect of the present invention, according to a second aspect embodiment of the present invention, includes:

[0013] Obtain the preset operating mode of the air conditioning system;

[0014] The electromagnetic control valve is opened or closed according to the preset working mode.

[0015] According to an embodiment of the present invention, the step of controlling the opening or closing of the electromagnetic control valve according to the preset operating mode specifically includes:

[0016] When the preset working mode is cooling mode, the electromagnetic control valve is opened.

[0017] When the preset operating mode is heating mode or defrosting mode, the electromagnetic control valve is closed.

[0018] According to an embodiment of the present invention, after the step of obtaining the preset operating mode of the air conditioning system, the control method of the air conditioning system further includes:

[0019] When the preset working mode is heating mode, the second shut-off valve is controlled to close and the first shut-off valve is controlled to open.

[0020] When the preset working mode is defrosting mode, both the first and second shut-off valves are opened.

[0021] According to one embodiment of the present invention, after the step of obtaining the preset operating mode of the air conditioning system, the method further includes:

[0022] When the preset working mode is the cooling mode, the first expansion valve is controlled to open to the maximum opening degree, and the opening degree of the second expansion valve is controlled to decrease.

[0023] When the preset working mode is heating mode, the opening of the first expansion valve is reduced and the second expansion valve is opened to the maximum opening.

[0024] When the preset working mode is defrosting mode, the opening degree of the second expansion valve is increased.

[0025] A control device for an air conditioning system based on the first aspect of the present invention, according to a third aspect embodiment of the present invention, includes:

[0026] The acquisition module is used to acquire the preset operating mode of the air conditioning system;

[0027] The control module is used to control the opening or closing of the electromagnetic control valve according to the preset working mode.

[0028] An electronic device according to a fourth aspect of the present invention includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement a control method for an air conditioning system as described in a second aspect of the present invention.

[0029] This invention provides an air conditioning system that adds a linked energy storage subsystem to the original air conditioning system, consisting of a storage device, water inlet fittings, and condensate pipes. On one hand, in heating mode, the storage device can store excess heat within the system and release it again in subsequent defrosting mode to defrost the outdoor heat exchanger. On the other hand, in cooling mode, the storage device can utilize the cooling capacity of the condensate to subcool the refrigerant in the air conditioning system, thereby improving the system's energy efficiency. In summary, the system of this invention can fully utilize both cooling and heating capacity, especially achieving the reuse of condensate cooling capacity, thus improving the system's energy utilization rate and reducing energy consumption. It is environmentally friendly and has a simple and feasible structure. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the air conditioning system provided by the present invention;

[0032] Figure 2 This is a schematic diagram of the air conditioning system provided by the present invention in cooling mode;

[0033] Figure 3 This is a schematic diagram of the air conditioning system provided by the present invention in heating mode;

[0034] Figure 4 This is a schematic diagram of the air conditioning system provided by the present invention in defrost mode;

[0035] Figure 5This is a schematic diagram of the steps of the control method for the air conditioning system provided by the present invention;

[0036] Figure 6 This is a schematic diagram of the structure of the control device for the air conditioning system provided by the present invention;

[0037] Figure 7 This is a schematic diagram of the structure of the electronic device provided by the present invention.

[0038] Figure label:

[0039] 1. Compressor; 2. Four-way valve; 3. Indoor heat exchanger; 31. Water inlet fitting; 32. Condensate pipe; 33. Electromagnetic control valve; 4. Outdoor heat exchanger; 5. Gas-liquid separator; 6. Energy storage device; 71. First refrigerant pipe section; 72. Second refrigerant pipe section; 81. Second expansion valve; 82. First expansion valve; 83. First shut-off valve; 84. Second shut-off valve; 85. Third shut-off valve; 91. Water pump; 92. Filter; 93. Water supply pipe; 110. Acquisition module; 120. Control module. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0041] The present invention provides an air conditioning system, as well as a control method and control device for the air conditioning system, which are described below with reference to the accompanying drawings.

[0042] like Figures 1 to 4 As shown, an air conditioning system according to a first aspect embodiment of the present invention includes a compressor 1, a four-way valve 2, an indoor heat exchanger 3, an outdoor heat exchanger 4, and an energy storage device 6.

[0043] Compressor 1, four-way valve 2, indoor heat exchanger 3, and outdoor heat exchanger 4 are connected via refrigerant pipes. The four ports of four-way valve 2 are connected to the discharge port of compressor 1, the indoor heat exchanger 3, the outdoor heat exchanger 4, and the suction port of compressor 1, respectively, via refrigerant pipes. A gas-liquid separator 5 is also installed between four-way valve 2 and the suction port of compressor 1. The liquid inlet of gas-liquid separator 5 is connected to four-way valve 2, and the gas outlet of gas-liquid separator 5 is connected to the suction port of compressor 1.

[0044] The energy storage device 6 is located between the indoor heat exchanger 3 and the outdoor heat exchanger 4 and is thermally coupled to the refrigerant pipe. It can be understood that the energy storage device 6 is used to store excess cold or heat in the refrigerant pipe through heat exchange in the air conditioning system, and release the energy back into the air conditioning system under certain circumstances to assist its operation.

[0045] The bottom of the indoor heat exchanger 3 is also provided with a water receiving part 31 for receiving condensate. The water receiving part 31 is connected to the energy storage device 6 through the condensate pipe 32, and the condensate pipe 32 is provided with an adjustable electromagnetic control valve 33.

[0046] According to an embodiment of the present invention, the air conditioning system operates on the following principle: This system adds an energy storage device 6, a water receiving component 31, and a condensate pipe 32 to the existing components, forming a linked energy storage system. In various operating modes of the air conditioning system, such as heating, cooling, and defrosting, the energy storage device 6 absorbs and stores excess cooling or heating energy from the refrigerant pipes through heat exchange, and releases this energy back into the air conditioning system under specific conditions to assist its operation. Specifically, in cooling mode, condensate can transfer cooling energy to the energy storage device 6 through the condensate pipe 32, thus enabling the energy storage device 6 to store and reuse the cooling energy of the condensate.

[0047] For example, such as Figure 2 As shown, when the air conditioner is in cooling mode, the electromagnetic control valve 33 on the condensate pipe 32 opens. Since the indoor heat exchanger 3 will produce condensate at a low temperature during the cooling process, the condensate will fall into the water receiving part 31 and eventually flow into the energy storage device 6 through the condensate pipe 32, thereby transferring the cold energy in the condensate to the energy storage device 6. At this time, the energy storage device 6 can use the cold energy in the condensate to subcool the refrigerant in the air conditioning system, thereby improving the system's energy consumption.

[0048] like Figure 3 As shown, when the air conditioner is in heating mode, the indoor heat exchanger 3 will not produce condensate, so the electromagnetic control valve 33 is closed. The refrigerant first releases heat through the indoor heat exchanger 3, then enters the energy storage device 6 to store the waste heat, and finally enters the outdoor heat exchanger 4 to evaporate and absorb heat. At this time, the high-temperature refrigerant flowing out of the indoor heat exchanger 3 exchanges heat with the energy storage device 6, and the excess heat in the high-temperature refrigerant is stored by the energy storage device 6.

[0049] like Figure 3As shown, as the air conditioner continues to heat up, the outdoor heat exchanger 4 will frost up. Therefore, when the outdoor heat exchanger 4 is frosted to a certain extent, the air conditioner needs to execute the defrost mode. In the defrost mode, the electromagnetic control valve 33 is still closed. At this time, the energy storage device 6 releases the pre-stored heat back into the air conditioning system to heat the refrigerant. The heated refrigerant then heats the outdoor heat exchanger 4 to achieve the defrost process of the outdoor heat exchanger 4.

[0050] In related technologies, existing air conditioning systems often fail to fully utilize the cooling or heating capacity of the refrigerant during the cooling and heating processes, resulting in the waste of excess energy within the air conditioning system. This leads to high energy consumption and low energy utilization in the air conditioning system. In particular, during the cooling mode of the air conditioner, the condensate produced by the indoor heat exchanger is often directly discharged, and the cooling capacity of the condensate cannot be reused, reducing the energy utilization rate of the system.

[0051] Therefore, in order to solve the technical problems existing in the above-mentioned related technologies, the present invention provides an air conditioning system. This system adds an integrated energy storage subsystem composed of main components such as an energy storage device 6, a water receiving component 31, and a condensate pipe 32 to the original air conditioning system. On the one hand, in the heating mode, the energy storage device 6 can store excess heat in the system and release the heat again in the subsequent defrosting mode to realize the defrosting process of the outdoor heat exchanger 4. On the other hand, in the cooling mode, the energy storage device 6 can use the cold energy in the condensate to subcool the refrigerant in the air conditioning system, thereby improving the energy efficiency of the system. In summary, the system of the present invention can make full use of cold and heat, especially realize the reuse of the cold energy of condensate, thereby improving the energy utilization rate of the system and reducing the energy consumption of the system. It is green, environmentally friendly, and has a simple and feasible structure.

[0052] like Figure 1 As shown, according to some embodiments of the present invention, the two ends of the first refrigerant pipe section 71 where the indoor heat exchanger 3 is located are connected to a second refrigerant pipe section 72. The first refrigerant pipe section 71 is also provided with a second expansion valve 81 and a first shut-off valve 83, and the second refrigerant pipe section 72 is provided with a second shut-off valve 84.

[0053] In this embodiment, the refrigerant pipeline between the energy storage device 6 and the four-way valve 2 includes two parallel refrigerant pipe sections, namely a first refrigerant pipe section 71 and a second refrigerant pipe section 72. The first refrigerant pipe section 71 is equipped with an indoor heat exchanger 3, a first shut-off valve 83 and a second expansion valve 81, and the second refrigerant pipe section 72 is equipped with a second shut-off valve 84. It can be understood that when the second shut-off valve 84 is open and the first shut-off valve 83 is closed, the second refrigerant pipe section 72 achieves a short circuit to the indoor heat exchanger 3.

[0054] like Figure 1As shown, a first expansion valve 82 is further provided between the outdoor heat exchanger 4 and the energy storage device 6.

[0055] Furthermore, in some specific embodiments of the present invention, such as Figure 2 As shown, in cooling mode, the solenoid control valve 33 and the first shut-off valve 83 are in the open state, and the second shut-off valve 84 is in the closed state; Figure 3 As shown, in heating mode, both the solenoid control valve 33 and the second shut-off valve 84 are closed, while the first shut-off valve 83 is open; Figure 4 As shown, in defrost mode, the first shut-off valve 83 and the second shut-off valve 84 are in the open state, and the solenoid control valve 33 is in the closed state.

[0056] In related technologies, the four-way valve needs to be switched during the defrosting process of the outdoor heat exchanger of the air conditioner. The above defrosting method cannot achieve defrosting and indoor heating at the same time. As a result, the indoor heating will not be able to be completed during the defrosting process, the indoor temperature will fluctuate greatly, affecting the indoor thermal comfort and thus making the user experience poor.

[0057] Therefore, in order to solve the technical defects existing in the above-mentioned related technologies, this embodiment adds a second refrigerant pipe section 72 connected in parallel with the indoor heat exchanger 3 to the structure of the energy absorption device. That is, the system of the present invention can realize defrosting without reversing the four-way valve 2 through the structure of the energy storage device 6 and the second refrigerant pipe section 72, thereby realizing the simultaneous occurrence of the outdoor defrosting process and the indoor heating process. While the outdoor is thoroughly defrosted, the normal heating of the indoor is guaranteed, thereby improving the indoor thermal comfort and improving the user experience.

[0058] Specifically, the working process and principle of the air conditioning system to achieve heating and defrosting are as follows:

[0059] like Figure 3 As shown, when the air conditioner is running in heating mode, the first shut-off valve 83 is open and the second shut-off valve 84 is closed. The indoor heat exchanger 3 condenses and releases heat to the indoor environment. After running in heating mode for a long time, the outdoor heat exchanger 4 experiences excessively low surface temperature due to evaporative heat absorption, resulting in severe frost buildup on the outdoor heat exchanger 4. Therefore, the air conditioner further executes defrost mode, such as... Figure 4As shown, after the air conditioner enters the defrost mode, the four-way valve 2 does not need to be reversed, and the second shut-off valve 84 is switched to the open state. At this time, the high-temperature and high-pressure refrigerant flowing out of the exhaust port of the compressor 1 is divided into two paths after passing through the four-way valve 2. One path of refrigerant flows through the first refrigerant pipe section 71 and then through the indoor heat exchanger 3 to condense and release heat on the indoor environment normally. The other path of refrigerant flows through the second refrigerant pipe section 72. The two paths of refrigerant converge and flow through the energy storage device 6. In the above process, the refrigerant carries out the heat stored in the energy storage device 6 in advance and further flows through the outdoor heat exchanger 4, thereby realizing the defrosting process of the outdoor heat exchanger 4.

[0060] As can be seen from the above, the system of the present invention can not only ensure normal indoor heating during the defrosting process, but also ensure the defrosting effect of the outdoor heat exchanger 4, thereby achieving heating and defrosting.

[0061] like Figure 1 As shown, according to some embodiments of the present invention, the energy storage device 6 is also connected to a water supply pipe 93 for inputting external water, and a third shut-off valve 85 is provided on the water supply pipe 93.

[0062] In this way, when the waste heat / cooling obtained by the energy storage device 6 from the air conditioning heating / cooling cycle cannot meet the system's usage requirements, high-temperature hot water or low-temperature cold water from the outside can be input into the energy storage device 6 through the water supply pipe 93, thereby supplementing the energy storage device 6 with the required heat / cooling.

[0063] According to other embodiments of the present invention, the air conditioning system is further provided with a temperature regulating component for heating or cooling the energy storage device 6. In this way, when the waste heat / cooling obtained by the energy storage device 6 from the air conditioning heating / cooling cycle cannot meet the system's usage requirements, the energy storage device 6 can be heated or cooled by the temperature regulating component to supplement the required heat / cooling capacity of the energy storage device 6.

[0064] like Figure 1 As shown, according to some embodiments of the present invention, the condensate pipe 32 is further provided with a water pump 91 and a filter 92. The water pump 91 is used to pump the condensate water from the water receiving part 31 into the energy storage device 6, and the filter can filter impurities in the condensate water, thereby preventing excessive impurities from entering the energy storage device 6 and ensuring the normal operation of the energy storage device 6.

[0065] It should be noted that the energy storage device 6 can be a water tank structure for storing cold or hot water. In this case, the outlet of the condensate pipe 32 is directly connected to the inlet of the energy storage device 6, and the water supply pipe 93 is also directly connected to the inlet of the energy storage device 6. Alternatively, the energy storage device 6 can also be other energy storage structures using energy storage materials. In this case, both the condensate pipe 32 and the water supply pipe 93 flow through the energy storage device 6 and exchange heat with it. The present invention does not impose any special limitations on the specific energy storage structure of the energy storage device 6.

[0066] The following describes a control method for an air conditioning system based on the first aspect embodiment described above.

[0067] like Figure 5 As shown, a control method for an air conditioning system according to a second aspect embodiment of the present invention includes:

[0068] Step S1: Obtain the preset operating mode of the air conditioning system;

[0069] Step S2: Control the opening or closing of the solenoid control valve 33 according to the preset working mode.

[0070] It is understood that the above-mentioned preset working mode is a pre-set working mode that the air conditioner will execute. This preset working mode can be a command issued by the user through the remote control, or it can be a working mode that is pre-stored in the system. This invention does not make any special limitations here.

[0071] According to some embodiments of the present invention, the step of controlling the opening or closing of the electromagnetic control valve 33 according to a preset working mode specifically includes:

[0072] When the preset working mode is cooling mode, the solenoid control valve 33 is opened.

[0073] When the preset working mode is heating mode or defrosting mode, the solenoid control valve 33 is closed.

[0074] In this embodiment, when the air conditioner needs to enter the cooling mode, the four-way valve 2 of the air conditioner needs to be switched to the cooling mode, and the electromagnetic control valve 33 is opened at the same time, as well as the first shut-off valve 83 is opened and the second shut-off valve 84 is closed. At this time, the condensate produced by the indoor heat exchanger 3 is collected in the water receiving part 31, and the cooling capacity is transferred to the energy storage device 6 through the condensate pipe 32. Thus, the energy storage device 6 can use the cooling capacity of the condensate to subcool the refrigerant in the system, thereby improving the energy efficiency of the air conditioning system and realizing the recovery and utilization of the cooling capacity of the condensate.

[0075] When the air conditioner enters heating mode or defrost mode, it is necessary to control the four-way valve 2 of the air conditioner to switch to heating mode, while closing the solenoid control valve 33 and keeping the first shut-off valve 83 open. The opening and closing of the second shut-off valve 84 is determined according to the heating mode or defrost mode. At this time, the indoor heat exchanger 3 heats the room without producing condensate. Therefore, the energy storage device 6 is used to store the waste heat of the refrigerant in the system and use the waste heat for the defrosting process of the outdoor heat exchanger 4.

[0076] Furthermore, after obtaining the preset operating mode of the air conditioning system, the control method for the air conditioning system also includes:

[0077] When the preset working mode is heating mode, the second shut-off valve 84 is closed and the first shut-off valve 83 is opened.

[0078] When the preset working mode is defrosting mode, both the first shut-off valve 83 and the second shut-off valve 84 are opened.

[0079] In this embodiment, when the air conditioner is running in heating mode, the first shut-off valve 83 is open and the second shut-off valve 84 is closed. The indoor heat exchanger 3 condenses and releases heat to the indoor environment. After running in heating mode for a long time, the outdoor heat exchanger 4 becomes too cold due to evaporative heat absorption. At this time, the outdoor heat exchanger 4 is severely frosted. Therefore, the air conditioner further executes the defrost mode. After the air conditioner enters the defrost mode, the four-way valve 2 does not need to be reversed, and the second shut-off valve 84 is switched to the open state. At this time, the high-temperature and high-pressure refrigerant flowing out of the exhaust port of the compressor 1 is divided into two paths after passing through the four-way valve 2. One path of refrigerant flows through the first refrigerant pipe 71 and then through the indoor heat exchanger 3 to condense and release heat to the indoor environment normally. The other path of refrigerant flows through the second refrigerant pipe 72. The two paths of refrigerant converge and flow through the energy storage device 6. In the above process, the refrigerant carries out the heat stored in the energy storage device 6 in advance and further flows through the outdoor heat exchanger 4, thereby realizing the defrosting process of the outdoor heat exchanger 4.

[0080] According to some embodiments of the present invention, after the step of controlling the opening of the solenoid control valve 33 when the preset operating mode is cooling mode, the control method of the air conditioning system further includes:

[0081] Obtain the refrigerant subcooling in the refrigerant pipe between the outdoor heat exchanger 4 and the indoor heat exchanger 3;

[0082] The opening degree of the solenoid control valve 33 is adjusted according to the range of refrigerant subcooling. The opening degree of the solenoid control valve 33 is negatively correlated with the refrigerant subcooling.

[0083] It is understandable that the lower the refrigerant subcooling, the lower the system's energy efficiency. In order to improve the system's energy efficiency, it is necessary to control the opening of the solenoid control valve 33 to be larger, so that the condensate water provides more cooling to the energy storage device 6, thereby increasing the refrigerant subcooling of the energy storage device 6, and thus increasing the system's energy consumption by increasing the refrigerant subcooling.

[0084] In one specific embodiment, the step of adjusting the opening degree of the solenoid control valve 33 according to the range of refrigerant subcooling specifically includes:

[0085] When the refrigerant subcooling is in the first subcooling range, adjust the opening of the solenoid control valve 33 to the first opening.

[0086] When the refrigerant subcooling is in the second subcooling range, adjust the opening of the solenoid control valve 33 to the second opening.

[0087] When the refrigerant subcooling is in the third subcooling range, adjust the opening of the solenoid control valve 33 to the maximum opening.

[0088] Among them, the first subcooling range is greater than the second subcooling range, the second subcooling range is greater than the third subcooling range, and the first opening is less than the second opening, and the second opening is less than the maximum opening.

[0089] The control device for the air conditioning system provided by the present invention is described below. The control device for the air conditioning system described below can be referred to in correspondence with the control method for the air conditioning system described above.

[0090] like Figure 6 As shown, a control device for an air conditioning system based on a first aspect embodiment of the present invention, according to a third aspect embodiment of the present invention, includes:

[0091] The acquisition module 110 is used to acquire the preset operating mode of the air conditioning system;

[0092] The control module 120 is used to control the opening or closing of the solenoid control valve 33 according to the preset working mode.

[0093] Figure 7 An example is a schematic diagram of the physical structure of an electronic device, such as... Figure 7As shown, the electronic device may include a processor 810, a communication interface 820, a memory 830, and a communication bus 840. The processor 810, communication interface 820, and memory 830 communicate with each other via the communication bus 840. The processor 810 can call logic instructions from the memory 830 to execute control methods for the air conditioning system, including: acquiring a preset operating mode of the air conditioning system; and controlling the opening or closing of the electromagnetic control valve 33 according to the preset operating mode.

[0094] Furthermore, the logical instructions in the aforementioned memory 830 can be implemented as software functional units and, when sold or used as independent products, can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or a part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of the present invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0095] On the other hand, the present invention also provides a computer program product, which includes a computer program that can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the control method of the air conditioning system provided by the above methods, including: obtaining a preset working mode of the air conditioning system; and controlling the opening or closing of the electromagnetic control valve 33 according to the preset working mode.

[0096] In another aspect, the present invention also provides a non-transitory computer-readable storage medium storing a computer program thereon, which, when executed by a processor, implements a control method for an air conditioning system provided by the above methods, including: acquiring a preset operating mode of the air conditioning system; and controlling the opening or closing of the electromagnetic control valve 33 according to the preset operating mode.

[0097] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs. Those skilled in the art can understand and implement this without any creative effort.

[0098] Through the above description of the embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus necessary general-purpose hardware platforms, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solutions, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disk, optical disk, etc., including several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods of various embodiments or some parts of embodiments.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An air conditioning system, characterized in that, include: The compressor, four-way valve, indoor heat exchanger, and outdoor heat exchanger are connected by refrigerant pipes. An energy storage device is installed between the indoor heat exchanger and the outdoor heat exchanger and is thermally coupled to the refrigerant pipe; The bottom of the indoor heat exchanger is also provided with a water receiving device for collecting condensate. The water receiving device is connected to the energy storage device through a condensate pipe, and the condensate pipe is provided with an adjustable electromagnetic control valve. A first expansion valve is provided between the outdoor heat exchanger and the energy storage device. A second refrigerant pipe section is connected in parallel to both ends of the first refrigerant pipe section where the indoor heat exchanger is located. A second expansion valve and a first shut-off valve are provided on the first refrigerant pipe section, and a second shut-off valve is provided on the second refrigerant pipe section. In cooling mode, the solenoid control valve and the first shut-off valve are in the open state, and the second shut-off valve is in the closed state; in heating mode, both the solenoid control valve and the second shut-off valve are in the closed state, and the first shut-off valve is in the open state; in defrosting mode, the first shut-off valve and the second shut-off valve are in the open state, and the solenoid control valve is in the closed state.

2. The air conditioning system according to claim 1, characterized in that, The energy storage device is also connected to a water supply pipe for inputting external water, and the water supply pipe is equipped with a third shut-off valve.

3. The air conditioning system according to claim 1, characterized in that, The condensate pipe is also equipped with a water pump and a filter.

4. A control method for an air conditioning system based on any one of claims 1 to 3, characterized in that, include: Obtain the preset operating mode of the air conditioning system; The electromagnetic control valve is opened or closed according to the preset working mode.

5. The control method for the air conditioning system according to claim 4, characterized in that, The step of controlling the opening or closing of the electromagnetic control valve according to the preset working mode specifically includes: When the preset working mode is cooling mode, the electromagnetic control valve is opened. When the preset operating mode is heating mode or defrosting mode, the electromagnetic control valve is closed.

6. The control method for an air conditioning system according to claim 5, characterized in that, After the step of obtaining the preset operating mode of the air conditioning system, the method further includes: When the preset working mode is heating mode, the second shut-off valve is controlled to close and the first shut-off valve is controlled to open. When the preset working mode is defrosting mode, both the first and second shut-off valves are opened.

7. The control method for an air conditioning system according to any one of claims 4 to 6, characterized in that, After the step of obtaining the preset operating mode of the air conditioning system, the method further includes: When the preset working mode is the cooling mode, the first expansion valve is controlled to open to the maximum opening degree, and the opening degree of the second expansion valve is controlled to decrease. When the preset working mode is heating mode, the opening of the first expansion valve is reduced and the second expansion valve is opened to the maximum opening. When the preset working mode is defrosting mode, the opening degree of the second expansion valve is increased.

8. A control device for an air conditioning system based on any one of claims 1 to 3, characterized in that, include: The acquisition module is used to acquire the preset operating mode of the air conditioning system; The control module is used to control the opening or closing of the electromagnetic control valve according to the preset working mode.

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