Control method and device of air conditioner and air conditioner

Abstract

The application provides a control method and device of an air conditioner and the air conditioner, and the method comprises the following steps: acquiring an operation mode of the air conditioner when a compressor in the air conditioner is started; starting a solar heating device and controlling a first electrically-controlled three-way valve to select a first port and a third port of the first electrically-controlled three-way valve and controlling a second electrically-controlled three-way valve to select a first port and a second port of the second electrically-controlled three-way valve when the operation mode of the air conditioner is a refrigeration mode. The control method and device of the air conditioner and the air conditioner provided by the application can rely on the renewable and pollution-free characteristics of solar energy, directly heat refrigerant by using solar energy, effectively supplement the heat exchange capacity of the air conditioner, improve the efficiency of the compressor, reduce the energy loss in the energy conversion process, prevent the compressor from being subjected to liquid strike by using solar energy, and reduce the energy consumption of the air conditioner.

Description

Technical Field

[0001] This invention relates to the field of household appliance technology, and in particular to a control method, device and air conditioner for an air conditioner. Background Technology

[0002] In modern life, air conditioners are an essential piece of equipment in indoor spaces. By controlling the indoor ambient temperature, air conditioners can provide users with a comfortable living or working environment.

[0003] Liquid slugging is a phenomenon where liquid refrigerant and / or lubricating fluid are drawn into the compressor cylinder along with the gas during air conditioner operation, causing compressor damage. It also refers to the phenomenon where liquid refrigerant and / or lubricating fluid, after being drawn into the cylinder with the gas, are not promptly discharged, resulting in a momentary high hydraulic pressure caused by compression as the piston approaches top dead center. Liquid slugging can damage compression components within the compressor in a short time, such as valve plates, pistons, connecting rods, crankshafts, and piston pins. Preventing liquid slugging in the compressor is crucial for improving the operational stability of the air conditioner and reducing the risk of compressor damage.

[0004] Traditional air conditioners are typically powered by electricity, which helps prevent liquid slugging in the compressor. However, with the transformation of the energy structure, clean energy has become a new direction for the development of home appliances. Therefore, how to utilize clean energy to prevent liquid slugging in the compressor and thus reduce the energy consumption of air conditioners is a technical problem that urgently needs to be solved in this field. Summary of the Invention

[0005] This invention provides a control method, device, and air conditioner for an air conditioner, which solves the problem that the existing technology relies on electrical energy to prevent liquid slugging in the compressor, resulting in high energy consumption of the air conditioner. The invention achieves the use of clean energy to prevent liquid slugging in the compressor, thereby reducing the energy consumption of the air conditioner.

[0006] This invention provides a control method for an air conditioner, comprising:

[0007] When the compressor in the air conditioner is started, obtain the operating mode of the air conditioner;

[0008] When the air conditioner is in cooling mode, the solar heating device is activated, and the first electrically controlled three-way valve is controlled to select the first and third ports of the first electrically controlled three-way valve, and the second electrically controlled three-way valve is controlled to select the first and second ports of the second electrically controlled three-way valve.

[0009] The solar heating device is used to heat the incoming refrigerant using solar energy; the first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner through the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through the evaporator; the first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device.

[0010] According to a control method for an air conditioner provided by the present invention, after obtaining the operating mode of the air conditioner when the compressor in the air conditioner is started, the method further includes:

[0011] When the air conditioner is currently in heating mode, the solar heating device is activated, and the first electrically controlled three-way valve is controlled to select the first and second ports of the first electrically controlled three-way valve, and the second electrically controlled three-way valve is controlled to select the first and third ports of the second electrically controlled three-way valve.

[0012] The second port of the first electrically controlled three-way valve is connected to the first port of the solar heating device; the third port of the second electrically controlled three-way valve is connected to the second port of the solar heating device through the evaporator.

[0013] According to a control method for an air conditioner provided by the present invention, after the step of activating a solar heating device and controlling a first electrically controlled three-way valve to select the first and third ports of the first electrically controlled three-way valve, and controlling a second electrically controlled three-way valve to select the first and second ports of the second electrically controlled three-way valve when the air conditioner is in cooling mode, the method further includes:

[0014] When the air conditioner is off, the solar heating device is turned off, and the second electrically controlled three-way valve is controlled to select the first port and the third port of the second electrically controlled three-way valve.

[0015] According to a control method for an air conditioner provided by the present invention, after the step of activating a solar heating device and controlling a first electrically controlled three-way valve to select the first and second ports of the first electrically controlled three-way valve, and controlling a second electrically controlled three-way valve to select the first and third ports of the second electrically controlled three-way valve when the current operating mode of the air conditioner is heating mode, the method further includes:

[0016] When the air conditioner is off, the solar heating device is turned off, and the first electrically controlled three-way valve is controlled to select the first port and the third port of the first electrically controlled three-way valve.

[0017] The present invention also provides a control device for an air conditioner, comprising:

[0018] The operating mode detection module obtains the current operating mode of the air conditioner when the compressor in the air conditioner is started.

[0019] When the air conditioner is in cooling mode, the solar heating device is activated, and the first electrically controlled three-way valve is controlled to select the first and third ports of the first electrically controlled three-way valve, and the second electrically controlled three-way valve is controlled to select the first and second ports of the second electrically controlled three-way valve.

[0020] The solar heating device is used to heat the incoming refrigerant using solar energy; the first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner through the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through the evaporator; the first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device.

[0021] The present invention also provides an air conditioner, comprising: an air conditioner body and an air conditioner control processor; the air conditioner control processor is connected to the air conditioner body; and further comprising a memory and a program or instructions stored in the memory and executable on the air conditioner control processor, wherein the program or instructions, when executed by the air conditioner control processor, perform the air conditioner control method as described in any of the preceding claims.

[0022] According to an air conditioner provided by the present invention, the air conditioner body includes: a compressor, an electronic expansion valve, a solar heating device, a first electrically controlled three-way valve, a second electrically controlled three-way valve, a condenser, and an evaporator;

[0023] The first port of the first electrically controlled three-way valve is connected to the first port of the compressor through the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through the evaporator.

[0024] The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device;

[0025] The solar heating device is used to heat the incoming refrigerant using solar energy.

[0026] An air conditioner according to the present invention includes: a second port of a first electrically controlled three-way valve connected to a first port of a solar heating device; and a third port of a second electrically controlled three-way valve connected to the second port of the solar heating device via the evaporator.

[0027] The present invention also provides an electronic device, including 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 the control method of any of the above-described air conditioners.

[0028] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the control method of the air conditioner as described above.

[0029] The present invention also provides a computer program product, including a computer program that, when executed by a processor, implements the control method of any of the above-described air conditioners.

[0030] The present invention provides an air conditioner control method, device, and air conditioner. When the compressor in the air conditioner is started and the air conditioner is in cooling mode, a solar heating device is activated. A first electrically controlled three-way valve is controlled to select between its first and third ports, and a second electrically controlled three-way valve is controlled to select between its first and second ports. The solar heating device uses solar energy to heat the incoming refrigerant. The first port of the first electrically controlled three-way valve is connected to the first port of the compressor via a condenser. The third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via an electronic expansion valve. The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device. This method leverages the renewable and pollution-free nature of solar energy to directly heat the refrigerant, effectively supplementing the air conditioner's heat exchange capacity, improving compressor efficiency, reducing energy loss during energy conversion, preventing liquid slugging in the compressor, and reducing the air conditioner's energy consumption. Attached Figure Description

[0031] 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.

[0032] Figure 1 This is one of the flowcharts illustrating the control method for an air conditioner provided by the present invention;

[0033] Figure 2 This is one of the structural schematic diagrams of the air conditioner in the air conditioner control method provided by the present invention;

[0034] Figure 3This is a second schematic flowchart of the control method for the air conditioner provided by the present invention;

[0035] Figure 4 This is a schematic diagram of the structure of the control device for the air conditioner provided by the present invention;

[0036] Figure 5 This is the second schematic diagram of the structure of the air conditioner in the control method of the air conditioner provided by the present invention;

[0037] Figure 6 This is a schematic diagram of the structure of the electronic device provided by the present invention. Detailed Implementation

[0038] 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.

[0039] In the description of the invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0040] Traditional air conditioners typically use mains electricity as their power source. They convert electrical energy into internal energy through a series of energy conversions to achieve cooling and heating functions. For example, traditional air conditioners can use electric heating devices to heat the refrigerant, thus preventing liquid slugging in the compressor. However, air conditioners are inherently high-energy-consuming household appliances, and energy loss is inevitable during the energy conversion process, further increasing energy consumption. With the transformation of the energy structure, reducing the energy consumption of air conditioners has become a hot research topic in this field.

[0041] To address this issue, the present invention provides a control method, device, and air conditioner for an air conditioner. Based on the control method provided by the present invention, the refrigerant can be directly heated using solar energy, leveraging its renewable and pollution-free characteristics. This effectively supplements the heat exchange capacity of the air conditioner and reduces energy loss during energy conversion. Consequently, solar energy can be used to prevent liquid slugging in the compressor and reduce the energy consumption of the air conditioner.

[0042] Figure 1 This is a flowchart illustrating the control method for an air conditioner provided by the present invention. The following is a summary of the process. Figure 1 The control method of the air conditioner of the present invention is described. For example... Figure 1 As shown, the method includes: step 101, obtaining the operating mode of the air conditioner when the compressor in the air conditioner is started.

[0043] It should be noted that the execution subject of this embodiment of the invention is the control device of an air conditioner.

[0044] Typically, users can control the air conditioner's compressor to start for cooling or heating, or to stop the air conditioner, according to their actual needs. User control of the air conditioner can be based on user-inputted control commands. For example, the controller in the air conditioner can receive a first control command from the user and, in response, start the compressor; or, the controller can receive a second control command from the user and, in response, stop the air conditioner.

[0045] It should be noted that user input can take the form of touch input on the target interface, including but not limited to click, swipe, and press input. User input can also be expressed as physical button input or voice input. The target interface can be the user terminal's display interface or the air conditioner's control interface. The physical buttons can be located on the air conditioner itself or on the air conditioner's external controller.

[0046] It is understood that the inputs listed above are merely exemplary examples, meaning that the embodiments of this application include, but are not limited to, the inputs listed above. In actual implementation, user input may include any other possible inputs, which can be specifically determined according to actual usage needs, and the embodiments of this application do not impose any limitations.

[0047] In this embodiment of the invention, when the compressor in the air conditioner is started, the operating mode of the air conditioner can be obtained in various ways. For example, the operating mode of the air conditioner can be obtained by detecting the control commands received by the air conditioner's controller. The operating modes of the air conditioner include: cooling mode and heating mode.

[0048] Step 102: When the air conditioner is in cooling mode, start the solar heating device and control the first electric three-way valve to select the first and third ports of the first electric three-way valve, and control the second electric three-way valve to select the first and second ports of the second electric three-way valve.

[0049] The solar heating device is used to heat the incoming refrigerant using solar energy; the first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner through the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through the evaporator; the first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device.

[0050] Figure 2 This is one of the structural schematic diagrams of the air conditioner in the air conditioner control method provided by the present invention, such as... Figure 2 As shown, the air conditioner 220 includes: a compressor 208, a first electrically controlled three-way valve 202, a second electrically controlled three-way valve 205, a solar heating device 201, a condenser 218, and an evaporator 219. The condenser 218 is used for gas-liquid conversion of the incoming refrigerant. The evaporator 219 is used for liquid-gas conversion of the incoming refrigerant.

[0051] Optionally, the air conditioner 220 also includes an electronic expansion valve 209 and a four-way valve 221. The electronic expansion valve 209 can be used to throttle the incoming refrigerant.

[0052] The first electrically controlled three-way valve 202 includes three ports: the first port 203, the second port 214, and the third port 204.

[0053] The four-way valve 221 includes four ports: the first port 222, the second port 223, the third port 224, and the fourth port 225.

[0054] The condenser 218 includes two ports: a first port 226 and a second port 227.

[0055] Evaporator 219 includes two ports: a first port 228 and a second port 229.

[0056] Accordingly, the first port 210 of the compressor is connected to the first port 222 of the four-way valve;

[0057] The second port 223 of the four-way valve is connected to the first port 226 of the condenser;

[0058] The second port 227 of the condenser is connected to the first port 203 of the first electrically controlled three-way valve;

[0059] The third port 204 of the first electrically controlled three-way valve is connected to the second port 217 of the solar heating device and one end of the electronic expansion valve 209, respectively.

[0060] The second port 214 of the first electrically controlled three-way valve is connected to the first port 216 of the solar heating device;

[0061] The other end of the electronic expansion valve 209 is connected to the first port 228 of the evaporator;

[0062] The second port 229 of the evaporator is connected to the third port 211 of the solar heating device and the third port 215 of the second electrically controlled three-way valve, respectively.

[0063] The first port 206 of the second electrically controlled three-way valve is connected to the third port 224 of the four-way valve.

[0064] The second port 207 of the second electrically controlled three-way valve is connected to the fourth port 213 of the solar heating device;

[0065] The third port 215 of the second electrically controlled three-way valve is also connected to the third port 211 of the solar heating device;

[0066] The fourth port 225 of the four-way valve is connected to the second port 212 of the compressor.

[0067] When the compressor 208 is started and the air conditioner 220 is in cooling mode, the solar heating device 201 can be started simultaneously, and the first electrically controlled three-way valve 202 can be controlled to select the first port 203 and the third port 204 of the first electrically controlled three-way valve, and the second electrically controlled three-way valve 205 can be controlled to select the first port 206 and the second port 207 of the second electrically controlled three-way valve.

[0068] It should be noted that, in this embodiment of the invention, the control device of the air conditioner can start the solar heating device 201 through control commands.

[0069] In this embodiment of the invention, the control device of the air conditioner can also control the first electrically controlled three-way valve 202 to select the first port 203 and the third port 204 of the first electrically controlled three-way valve through control commands, and control the second electrically controlled three-way valve 205 to select the first port 206 and the second port 207 of the second electrically controlled three-way valve.

[0070] After the first electrically controlled three-way valve 202 selects the first port 203 and the third port 204 of the first electrically controlled three-way valve, and the second electrically controlled three-way valve 205 selects the first port 206 and the second port 207 of the second electrically controlled three-way valve, the refrigerant flows out of the compressor 208 through the first port 210 of the compressor, and flows into the condenser 218 through the first port 222 of the four-way valve, the second port 223 of the four-way valve, and the first port 226 of the condenser.

[0071] After the condenser 218 performs gas-liquid conversion on the incoming refrigerant, the refrigerant flows out of the condenser 218 through the second port 227 of the condenser, and flows into the evaporator 219 through the first port 203 of the first electrically controlled three-way valve, the third port 204 of the first electrically controlled three-way valve, the electronic expansion valve 209, and the first port 228 of the evaporator.

[0072] After the evaporator 219 performs liquid-gas conversion on the incoming refrigerant, the low-temperature and low-pressure refrigerant flows into the solar heating device 201 through the second port 229 of the evaporator and the third port 211 of the solar heating device.

[0073] The solar heating device 201 can use solar energy to heat the incoming refrigerant, thereby increasing the temperature of the low-temperature, low-pressure refrigerant flowing in through the evaporator 219. This allows the saturated gas-liquid two-phase refrigerant to be transformed into a gaseous refrigerant by absorbing solar heat.

[0074] The aforementioned gaseous refrigerant can flow back to the compressor 208 via the fourth port 213 of the solar heating device, the second port 207 of the second electrically controlled three-way valve, the first port 206 of the second electrically controlled three-way valve, the third port 224 of the four-way valve, the fourth port 225 of the four-way valve, and the second port 212 of the compressor, thus completing the refrigerant circulation. This effectively prevents liquid slugging of the compressor 208 by the liquid refrigerant and protects the compressor 208. The refrigerant's return to the compressor 208 through this process improves the efficiency of the compressor 208 and reduces the energy consumption of the air conditioner 220.

[0075] This invention, in an embodiment of the invention, activates a solar heating device when the compressor in an air conditioner is running and the air conditioner is in cooling mode. It controls a first electrically controlled three-way valve to select its first and third ports, and controls a second electrically controlled three-way valve to select its first and second ports. The solar heating device uses solar energy to heat the incoming refrigerant. The first port of the first electrically controlled three-way valve is connected to the first port of the compressor via the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via an electronic expansion valve. The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device. This invention leverages the renewable and pollution-free nature of solar energy to directly heat the refrigerant, effectively supplementing the air conditioner's heat exchange capacity, improving compressor efficiency, reducing energy loss during energy conversion, preventing liquid slugging in the compressor, and reducing the air conditioner's energy consumption.

[0076] Based on the above embodiments, when the compressor 208 in the air conditioner 220 is started, after obtaining the operating mode of the air conditioner 220, the method further includes: when the current operating mode of the air conditioner 220 is the heating mode, starting the solar heating device 201, controlling the first electrically controlled three-way valve 202 to select the first port 203 and the second port 214 of the first electrically controlled three-way valve, and controlling the second electrically controlled three-way valve 205 to select the first port 206 and the third port 215 of the second electrically controlled three-way valve.

[0077] The second port 214 of the first electrically controlled three-way valve is connected to the first port 216 of the solar heating device; the third port 215 of the second electrically controlled three-way valve is connected to the second port 217 of the solar heating device through the evaporator 219.

[0078] Specifically, when the compressor 208 is started and the air conditioner 220 is in heating mode, the solar heating device 201 can be started simultaneously, and the first electrically controlled three-way valve 202 can be controlled to select the first port 203 and the second port 214 of the first electrically controlled three-way valve, and the second electrically controlled three-way valve 205 can be controlled to select the first port 206 and the third port 215 of the second electrically controlled three-way valve.

[0079] It should be noted that, in this embodiment of the invention, the control device of the air conditioner can start the solar heating device 201 through control commands.

[0080] In this embodiment of the invention, the control device of the air conditioner can also control the first electrically controlled three-way valve 202 to select the first port 203 and the second port 214 of the first electrically controlled three-way valve through control commands, and control the second electrically controlled three-way valve 205 to select the first port 206 and the third port 215 of the second electrically controlled three-way valve.

[0081] After the first electrically controlled three-way valve 202 selects the first port 203 and the second port 214 of the first electrically controlled three-way valve, and the second electrically controlled three-way valve 205 selects the first port 206 and the third port 215 of the second electrically controlled three-way valve, the refrigerant flows out of the compressor 208 through the second port 212 of the compressor, and flows into the evaporator 219 through the fourth port 225 of the four-way valve, the third port 224 of the four-way valve, and the second port 229 of the evaporator.

[0082] After the evaporator 219 performs liquid-gas conversion on the incoming refrigerant, the low-temperature and low-pressure refrigerant flows into the solar heating device 201 through the first port 228 of the evaporator, the electronic expansion valve 209, and the second port 217 of the solar heating device.

[0083] The solar heating device 201 can use solar energy to heat the incoming refrigerant, thereby increasing the temperature of the low-temperature, low-pressure refrigerant flowing in through the evaporator 219 and the electronic expansion valve 209. The saturated gas-liquid two-phase refrigerant can be transformed into a gaseous refrigerant by absorbing solar heat, and the temperature of the refrigerant can be increased.

[0084] The aforementioned gaseous refrigerant flows into the condenser 218 via the first port 216 of the solar heating device, the second port 214 of the first electrically controlled three-way valve, the first port 203 of the first electrically controlled three-way valve, and the second port 227 of the condenser.

[0085] The gaseous refrigerant flowing into the condenser 218 can undergo gas-liquid conversion. Since the solar heating device 201 can increase the temperature of the refrigerant when it passes through the solar heating device 201, the refrigerant with the increased temperature can improve the heat exchange efficiency of the condenser 218 after flowing into the condenser 218.

[0086] After the condenser 218 performs a gas-liquid conversion on the incoming refrigerant, the refrigerant flows out of the condenser 218 through the first port 226, and then flows back to the compressor 208 through the second port 223 of the four-way valve, the first port 222 of the four-way valve, and the first port 210 of the compressor, thus completing the refrigerant circulation. This effectively prevents liquid slugging of the compressor 208 by the liquid refrigerant and protects the compressor 208. The refrigerant's return to the compressor 208 through this process improves the efficiency of the compressor 208 and reduces the energy consumption of the air conditioner 220.

[0087] This invention, in an embodiment of the invention, activates a solar heating device when the compressor in an air conditioner is running and the air conditioner is in heating mode. It controls a first electrically controlled three-way valve to select its first and second ports, and a second electrically controlled three-way valve to select its first and third ports. This reduces the compressor frequency and increases the opening of the electronic expansion valve in the air conditioner. The second port of the first electrically controlled three-way valve is connected to the first port of the solar heating device; the third port of the second electrically controlled three-way valve is connected to the second port of the solar heating device via the evaporator. Leveraging the renewable and pollution-free nature of solar energy, this invention directly heats the refrigerant, effectively supplementing the air conditioner's heat exchange capacity, improving compressor efficiency, reducing energy loss during energy conversion, preventing liquid slugging in the compressor, and reducing the air conditioner's energy consumption.

[0088] Based on the above embodiments, when the air conditioner 220 is in cooling mode, after starting the solar heating device 201 and controlling the first electrically controlled three-way valve 202 to select the first port 203 and the third port 204 of the first electrically controlled three-way valve, and controlling the second electrically controlled three-way valve 205 to select the first port 206 and the second port 207 of the second electrically controlled three-way valve, the system further includes: when the air conditioner 220 is stopped, turning off the solar heating device 201 and controlling the second electrically controlled three-way valve 205 to select the first port 206 and the third port 215 of the second electrically controlled three-way valve.

[0089] In this embodiment of the invention, when the air conditioner is stopped in cooling mode, the solar heating device is turned off, and the first port of the second electrically controlled three-way valve and the third port of the second electrically controlled three-way valve are controlled to ensure that the solar heating device is not connected to the refrigerant circulation loop when the air conditioner is stopped, thus protecting the air conditioner.

[0090] Based on the above embodiments, when the air conditioner 220 is in heating mode, after starting the solar heating device 201 and controlling the first electrically controlled three-way valve 202 to select the first port 203 and the second port 214 of the first electrically controlled three-way valve, and controlling the second electrically controlled three-way valve 205 to select the first port 206 and the third port 215 of the second electrically controlled three-way valve, the system further includes: when the air conditioner 220 is stopped, turning off the solar heating device 201 and controlling the first electrically controlled three-way valve 202 to select the first port 203 and the third port 204 of the first electrically controlled three-way valve.

[0091] In this embodiment of the invention, when the air conditioner is stopped in heating mode, the solar heating device is turned off, and the first electrically controlled three-way valve is controlled to select the first port and the third port of the first electrically controlled three-way valve. This ensures that the solar heating device is not connected to the refrigerant circulation loop when the air conditioner is stopped, thus protecting the air conditioner.

[0092] To facilitate understanding of the air conditioner control method provided by this invention, the following example illustrates the air conditioner control method provided by this invention. Figure 3 This is a second schematic flowchart of the control method for the air conditioner provided by this invention. Figure 3 As shown, after the air conditioner 220 is started, the operating mode of the air conditioner 220 is obtained.

[0093] When the air conditioner 220 is in cooling mode, the solar heating device 201 is activated, and the first electrically controlled three-way valve 202 is controlled to select the first port 203 and the third port 204 of the first electrically controlled three-way valve, and the second electrically controlled three-way valve 205 is controlled to select the first port 206 and the second port 207 of the second electrically controlled three-way valve.

[0094] When the air conditioner 220 stops in cooling mode, it shuts off the solar heating device 201 and controls the second electrically controlled three-way valve 205 to select the first port 206 of the second electrically controlled three-way valve and the third port 215 of the second electrically controlled three-way valve.

[0095] When the air conditioner 220 is in heating mode, the solar heating device 201 is activated, and the first electrically controlled three-way valve 202 is controlled to select the first port 203 and the second port 214 of the first electrically controlled three-way valve, and the second electrically controlled three-way valve 205 is controlled to select the first port 206 and the third port 215 of the second electrically controlled three-way valve.

[0096] When the air conditioner 220 is shut down in heating mode, it turns off the solar heating device 201 and controls the first electrically controlled three-way valve 202 to select the first port 203 and the second port 214 of the first electrically controlled three-way valve.

[0097] Figure 4 This is one of the structural schematic diagrams of the control device for an air conditioner provided by the present invention. The following is in conjunction with… Figure 4 The control device for an air conditioner provided by this invention will be described below. The control device described below can be referred to in correspondence with the control method for an air conditioner provided by this invention described above. For example... Figure 4 As shown, the device includes: an operating mode detection module 401 and an air conditioner control module 402.

[0098] The operating mode detection module 401 is used to obtain the operating mode of the air conditioner 220 when the compressor 208 in the air conditioner 220 is started.

[0099] The air conditioner control module 402 is used to start the solar heating device 201 when the air conditioner 220 is in cooling mode, and to control the first electric three-way valve 202 to select the first port 203 and the third port 204 of the first electric three-way valve, and to control the second electric three-way valve 205 to select the first port 206 and the second port 207 of the second electric three-way valve.

[0100] The solar heating device 201 is used to heat the incoming refrigerant using solar energy; the first port 203 of the first electrically controlled three-way valve is connected to the first port 210 of the compressor in the air conditioner through the condenser 218, and the third port 204 of the first electrically controlled three-way valve is connected to the third port 211 of the solar heating device through the evaporator 219; the first port 206 of the second electrically controlled three-way valve is connected to the second port 212 of the compressor, and the second port 207 of the second electrically controlled three-way valve is connected to the fourth port 213 of the solar heating device.

[0101] Specifically, the operating mode detection module 401 and the air conditioner control module 402 are electrically connected.

[0102] Optionally, the air conditioner control module 402 can also be used to start the solar heating device 201 when the air conditioner 220 is in heating mode, control the first electrically controlled three-way valve 202 to select the first port 203 and the second port of the first electrically controlled three-way valve, and control the second electrically controlled three-way valve 205 to select the first port 206 and the third port of the second electrically controlled three-way valve; wherein, the second port 214 of the first electrically controlled three-way valve is connected to the first port 216 of the solar heating device; the third port 215 of the second electrically controlled three-way valve is connected to the second port 217 of the solar heating device through the evaporator 219.

[0103] Optionally, the air conditioner control module 402 can also be used to shut down the solar heating device 201 when the air conditioner 220 is stopped, and control the second electrically controlled three-way valve 205 to select the first port 206 and the third port 215 of the second electrically controlled three-way valve.

[0104] Optionally, the air conditioner control module 402 can also be used to turn off the solar heating device 201 when the air conditioner 220 is stopped, and control the first electrically controlled three-way valve 202 to select the first port 203 and the third port 204 of the first electrically controlled three-way valve.

[0105] The control device for an air conditioner in this embodiment of the invention activates a solar heating device when the compressor is started and the air conditioner is in cooling mode. It controls a first electrically controlled three-way valve to select between its first and third ports, and controls a second electrically controlled three-way valve to select between its first and second ports. The solar heating device uses solar energy to heat the incoming refrigerant. The first port of the first electrically controlled three-way valve is connected to the first port of the compressor via a condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via an electronic expansion valve. The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device. This device leverages the renewable and pollution-free nature of solar energy to directly heat the refrigerant, effectively supplementing the air conditioner's heat exchange capacity, improving compressor efficiency, reducing energy loss during energy conversion, preventing liquid slugging in the compressor, and reducing the air conditioner's energy consumption.

[0106] Based on the above embodiments, an air conditioner includes: an air conditioner body and an air conditioner control processor; the air conditioner control processor is connected to the air conditioner body; it also includes a memory and a program or instructions stored in the memory and executable on the air conditioner control processor, wherein when the program or instructions are executed by the air conditioner control processor, the air conditioner control method as described above is performed.

[0107] Figure 5 This is the second schematic diagram of the air conditioner structure in the air conditioner control method provided by the present invention. (See diagram below.) Figure 5 As shown, the air conditioner body 501, the air conditioner control processor 502, and the memory 503 are electrically connected.

[0108] It should be noted that the air conditioner body 501 is equivalent to the air conditioner in the above embodiments. For the specific structure of the air conditioner body 501, please refer to... Figure 2 The specific structure of the central air conditioner 220.

[0109] The air conditioner's control processor 502 can control the air conditioner body 501 to achieve the technical effect of using solar energy to prevent liquid slugging in the compressor and reduce the air conditioner's energy consumption.

[0110] The control process of the air conditioner's control processor over the air conditioner body can be found in any of the above embodiments, and will not be repeated in this embodiment.

[0111] The air conditioner in this embodiment of the invention includes an air conditioner body and an air conditioner control processor. When the compressor in the air conditioner body is started and the air conditioner body is in cooling mode, the control processor activates a solar heating device, controls a first electrically controlled three-way valve to select its first and third ports, and controls a second electrically controlled three-way valve to select its first and second ports. The solar heating device uses solar energy to heat the incoming refrigerant. The first port of the first electrically controlled three-way valve is connected to the first port of the compressor via a condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via an electronic expansion valve. The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device. This invention leverages the renewable and pollution-free nature of solar energy to directly heat the refrigerant, effectively supplementing the heat exchange capacity of the air conditioner body, improving compressor efficiency, reducing energy loss during energy conversion, preventing liquid slugging in the compressor, and reducing the energy consumption of the air conditioner body.

[0112] Based on the above embodiments, the air conditioner body includes: a compressor, a solar heating device, a first electrically controlled three-way valve, a second electrically controlled three-way valve, a condenser, and an evaporator.

[0113] The first port of the first electrically controlled three-way valve is connected to the first port of the compressor through the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through the evaporator.

[0114] The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device.

[0115] Solar heating devices are used to heat incoming refrigerant using solar energy.

[0116] Optionally, the air conditioner body also includes an electronic expansion valve.

[0117] Accordingly, the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through the electronic expansion valve and the evaporator.

[0118] The air conditioner in this embodiment of the invention can rely on the renewable and pollution-free characteristics of solar energy to directly heat the refrigerant. When the air conditioner is running in cooling mode, it can effectively supplement the heat exchange capacity of the air conditioner, improve the efficiency of the compressor, reduce energy loss during energy conversion, prevent liquid slugging in the compressor by using solar energy, and reduce the energy consumption of the air conditioner.

[0119] Based on the above embodiments, the following are included: the second port of the first electrically controlled three-way valve is connected to the first port of the solar heating device; the third port of the second electrically controlled three-way valve is connected to the second port of the solar heating device through the evaporator.

[0120] Optionally, the third port of the second electrically controlled three-way valve is connected to the second port of the solar heating device via an electronic expansion valve and an evaporator.

[0121] The air conditioner in this embodiment of the invention can rely on the renewable and pollution-free characteristics of solar energy to directly heat the refrigerant. When the air conditioner is operating in heating mode, it can effectively supplement the heat exchange capacity of the air conditioner, improve the efficiency of the compressor, reduce energy loss during energy conversion, prevent liquid slugging in the compressor by using solar energy, and reduce the energy consumption of the air conditioner.

[0122] Figure 6 An example is a schematic diagram of the physical structure of an electronic device, such as... Figure 6 As shown, the electronic device may include: a processor 610, a communication interface 620, a memory 630, and a communication bus 640, wherein the processor 610, the communication interface 620, and the memory 630 communicate with each other through the communication bus 640. The processor 610 can call logic instructions in the memory 630 to execute a control method for the air conditioner. This method includes: when the compressor in the air conditioner is started, obtaining the operating mode of the air conditioner; when the operating mode of the air conditioner is cooling mode, starting the solar heating device and controlling a first electrically controlled three-way valve to select its first and third ports, and controlling a second electrically controlled three-way valve to select its first and second ports; wherein the solar heating device is used to heat the incoming refrigerant using solar energy; the first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner via the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via the evaporator; the first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device.

[0123] Furthermore, the logical instructions in the aforementioned memory 630 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, essentially, 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 described in 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.

[0124] 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 for an air conditioner provided by the above methods. The method includes: when the compressor in the air conditioner is started, obtaining the operating mode of the air conditioner; when the operating mode of the air conditioner is cooling mode, starting a solar heating device and controlling a first electrically controlled three-way valve to select the first and third ports of the first electrically controlled three-way valve, and controlling a second electrically controlled three-way valve to select the first and second ports of the second electrically controlled three-way valve; wherein, the solar heating device is used to heat the incoming refrigerant using solar energy; the first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner through a condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through an evaporator; the first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device.

[0125] 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 the control method for an air conditioner provided by the above methods. The method includes: when the compressor in the air conditioner is started, acquiring the operating mode of the air conditioner; when the operating mode of the air conditioner is cooling mode, starting a solar heating device and controlling a first electrically controlled three-way valve to select between its first and third ports, and controlling a second electrically controlled three-way valve to select between its first and second ports; wherein the solar heating device is used to heat the incoming refrigerant using solar energy; the first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner via a condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via an evaporator; the first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device.

[0126] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate. 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.

[0127] 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., and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute the methods described in the various embodiments or some parts of the embodiments.

[0128] 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. A control method for an air conditioner, characterized in that, include: When the compressor in the air conditioner is started, obtain the operating mode of the air conditioner; When the air conditioner is in cooling mode, the solar heating device is activated, and the first electrically controlled three-way valve is controlled to select the first and third ports of the first electrically controlled three-way valve, and the second electrically controlled three-way valve is controlled to select the first and second ports of the second electrically controlled three-way valve. The solar heating device is used to heat the incoming refrigerant using solar energy. The first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner via the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via the evaporator. The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device. The refrigerant flows out of the compressor via the first port, and flows into the condenser via the first port of the four-way valve, the second port of the four-way valve, and the first port of the condenser. After the condenser performs a gas-liquid conversion on the incoming refrigerant, the refrigerant flows out of the condenser via the second port, and flows into the evaporator via the first port of the first electrically controlled three-way valve, the third port of the first electrically controlled three-way valve, the electronic expansion valve, and the first port of the evaporator. After the evaporator performs a liquid-gas conversion on the incoming refrigerant, the low-temperature, low-pressure refrigerant flows into the solar heating device via the second port of the evaporator and the third port of the solar heating device. After obtaining the operating mode of the air conditioner when the compressor in the air conditioner is started, the method further includes: When the air conditioner is currently in heating mode, the solar heating device is activated, and the first electrically controlled three-way valve is controlled to select the first and second ports of the first electrically controlled three-way valve, and the second electrically controlled three-way valve is controlled to select the first and third ports of the second electrically controlled three-way valve. Wherein, the second port of the first electrically controlled three-way valve is connected to the first port of the solar heating device; the third port of the second electrically controlled three-way valve is connected to the second port of the solar heating device through the evaporator; The refrigerant flows out of the compressor through the second port of the compressor, flows into the evaporator through the fourth port of the four-way valve, the third port of the four-way valve, and the second port of the evaporator, and flows into the solar heating device through the first port of the evaporator, the electronic expansion valve, and the second port of the solar heating device. The solar heating device heats the incoming refrigerant. The refrigerant flows into the condenser through the first port of the solar heating device, the second port of the first electrically controlled three-way valve, the first port of the first electrically controlled three-way valve, and the second port of the condenser, and flows out of the condenser through the first port of the condenser. The refrigerant then flows back to the compressor through the second port of the four-way valve, the first port of the four-way valve, and the first port of the compressor.

2. The control method for an air conditioner according to claim 1, characterized in that, When the air conditioner is in cooling mode, after activating the solar heating device and controlling the first electrically controlled three-way valve to select the first and third ports of the first electrically controlled three-way valve, and controlling the second electrically controlled three-way valve to select the first and second ports of the second electrically controlled three-way valve, the method further includes: When the air conditioner is off, the solar heating device is turned off, and the second electrically controlled three-way valve is controlled to select the first port and the third port of the second electrically controlled three-way valve.

3. The control method for an air conditioner according to claim 1, characterized in that, When the air conditioner is currently operating in heating mode, after activating the solar heating device and controlling the first electrically controlled three-way valve to select the first and second ports of the first electrically controlled three-way valve, and controlling the second electrically controlled three-way valve to select the first and third ports of the second electrically controlled three-way valve, the method further includes: When the air conditioner is off, the solar heating device is turned off, and the first electrically controlled three-way valve is controlled to select the first port and the third port of the first electrically controlled three-way valve.

4. A control device for an air conditioner, characterized in that, include: The operating mode detection module is used to obtain the current operating mode of the air conditioner when the compressor in the air conditioner is started. An air conditioner control module is used to start a solar heating device when the air conditioner is in cooling mode, and to control a first electrically controlled three-way valve to select the first and third ports of the first electrically controlled three-way valve, and to control a second electrically controlled three-way valve to select the first and second ports of the second electrically controlled three-way valve. The solar heating device is used to heat the incoming refrigerant using solar energy. The first port of the first electrically controlled three-way valve is connected to the first port of the compressor in the air conditioner via the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device via the evaporator. The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device. The refrigerant flows out of the compressor via the first port, and flows into the condenser via the first port of the four-way valve, the second port of the four-way valve, and the first port of the condenser. After the condenser performs a gas-liquid conversion on the incoming refrigerant, the refrigerant flows out of the condenser via the second port, and flows into the evaporator via the first port of the first electrically controlled three-way valve, the third port of the first electrically controlled three-way valve, the electronic expansion valve, and the first port of the evaporator. After the evaporator performs a liquid-gas conversion on the incoming refrigerant, the low-temperature, low-pressure refrigerant flows into the solar heating device via the second port of the evaporator and the third port of the solar heating device. The air conditioner control module is also used to, when the compressor in the air conditioner is started, after obtaining the operating mode of the air conditioner, and when the current operating mode of the air conditioner is heating mode, start the solar heating device, and control the first electrically controlled three-way valve to select the first port and the second port of the first electrically controlled three-way valve, and control the second electrically controlled three-way valve to select the first port and the third port of the second electrically controlled three-way valve. Wherein, the second port of the first electrically controlled three-way valve is connected to the first port of the solar heating device; the third port of the second electrically controlled three-way valve is connected to the second port of the solar heating device through the evaporator; The refrigerant flows out of the compressor through the second port of the compressor, flows into the evaporator through the fourth port of the four-way valve, the third port of the four-way valve, and the second port of the evaporator, and flows into the solar heating device through the first port of the evaporator, the electronic expansion valve, and the second port of the solar heating device. The solar heating device heats the incoming refrigerant. The refrigerant flows into the condenser through the first port of the solar heating device, the second port of the first electrically controlled three-way valve, the first port of the first electrically controlled three-way valve, and the second port of the condenser, and flows out of the condenser through the first port of the condenser. The refrigerant then flows back to the compressor through the second port of the four-way valve, the first port of the four-way valve, and the first port of the compressor.

5. An air conditioner, characterized in that, include: The air conditioner body and the air conditioner's control processor; The air conditioner's control processor is connected to the air conditioner body; it also includes a memory and a program or instructions stored in the memory and executable on the air conditioner's control processor, wherein when the program or instructions are executed by the air conditioner's control processor, the air conditioner control method as described in any one of claims 1 to 3 is performed.

6. The air conditioner according to claim 5, characterized in that, The air conditioner body includes: a compressor, an electronic expansion valve, a solar heating device, a first electrically controlled three-way valve, a second electrically controlled three-way valve, a condenser, and an evaporator; The first port of the first electrically controlled three-way valve is connected to the first port of the compressor through the condenser, and the third port of the first electrically controlled three-way valve is connected to the third port of the solar heating device through the evaporator. The first port of the second electrically controlled three-way valve is connected to the second port of the compressor, and the second port of the second electrically controlled three-way valve is connected to the fourth port of the solar heating device; The solar heating device is used to heat the incoming refrigerant using solar energy.

7. The air conditioner according to claim 6, characterized in that, include: The second port of the first electrically controlled three-way valve is connected to the first port of the solar heating device; the third port of the second electrically controlled three-way valve is connected to the second port of the solar heating device through the evaporator.

8. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the control method for the air conditioner as described in any one of claims 1 to 3.

9. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the control method of the air conditioner as described in any one of claims 1 to 3.

10. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by the processor, it implements the control method of the air conditioner as described in any one of claims 1 to 3.

Images