Air conditioner refrigerant flow control method and device, air conditioning system and storage medium

Abstract

The application provides an air conditioner refrigerant flow control method and device, an air conditioner system and a storage medium, comprising: acquiring indoor temperature, set temperature and fan parameters corresponding to the indoor unit; determining total work capacity of all indoor units according to the indoor temperature, the set temperature and the fan parameters; if the total work capacity is less than a preset energy threshold corresponding to the outdoor unit, adjusting the refrigerant flow of the indoor unit according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group. The technical problem of poor air cooling effect in the traditional technical solution is solved, and the heat dissipation of the power module is realized by controlling the air conditioner refrigerant flow, thereby improving the heat dissipation effect of the power module.

Description

Technical Field

[0001] This application relates to the field of air conditioning technology, specifically to an air conditioning refrigerant flow control method, device, air conditioning system, and storage medium. Background Technology

[0002] In air conditioning systems, power control is typically achieved by setting up power modules. If the power of the air conditioner is too high, the temperature of the power module will be too high, resulting in increased power consumption of the air conditioner.

[0003] In related technologies, the temperature of the air conditioner power module is mainly regulated by air cooling to prevent the power module from overheating and improve the reliability of the air conditioner. However, air cooling mainly relies on fan heat exchange for heat dissipation, which is not very effective for cooling the power module. Summary of the Invention

[0004] This application provides an air conditioning refrigerant flow control method, device, air conditioning system, and storage medium, which solves the technical problem of poor air cooling effect in traditional technical solutions. By controlling the air conditioning refrigerant flow, heat dissipation of the power module is achieved, thereby improving the heat dissipation effect of the power module.

[0005] In a first aspect, this application provides an air conditioning refrigerant flow control method, the method being applied to an air conditioning system, the air conditioning system including an outdoor unit, a power module, and at least one indoor unit, wherein a heat dissipation refrigerant pipe assembly for heat dissipation of the power module is provided between the outdoor unit and the indoor unit, the method comprising:

[0006] Obtain the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit;

[0007] The total operating capacity of all indoor units is determined based on the indoor temperature, the set temperature, and the fan parameters.

[0008] If the total power output is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group.

[0009] In one possible implementation of this application, if the total power output is less than the preset energy threshold corresponding to the outdoor unit, adjusting the refrigerant flow rate of the indoor unit based on the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group includes:

[0010] If the total power output is less than the preset energy threshold corresponding to the outdoor unit, then obtain the module temperature corresponding to the power module;

[0011] If the module temperature is greater than the preset temperature threshold, the flow rate adjustment parameter of the heat dissipation refrigerant pipe group connected to the indoor unit is determined according to the target temperature difference between the module temperature and the pipe group temperature.

[0012] The refrigerant flow rate of the indoor unit is adjusted according to the flow regulation parameters.

[0013] In one possible implementation of this application, if the module temperature is greater than a preset temperature threshold, determining the flow regulation parameters of the heat dissipation refrigerant pipe group connecting to the indoor unit based on the temperature relationship between the module temperature and the pipe group temperature includes:

[0014] If the module temperature is greater than the preset temperature threshold, then calculate the target temperature difference between the module temperature and the pipe group temperature;

[0015] If the target temperature difference is greater than the preset temperature difference threshold, then the flow rate adjustment parameter corresponding to the target temperature difference is found according to the preset mapping relationship between the temperature difference and the adjustment parameter.

[0016] In one possible implementation of this application, adjusting the refrigerant flow of the indoor unit according to the flow adjustment parameter includes:

[0017] Obtain the actual flow rate at one end of the heat dissipation refrigerant pipe assembly connected to the indoor unit;

[0018] The flow adjustment weight corresponding to the indoor unit is determined based on the indoor temperature and the set temperature of the indoor unit.

[0019] Based on the flow adjustment weight and the flow adjustment parameter, determine the actual adjusted flow corresponding to the flow adjustment weight;

[0020] Based on the actual flow rate and the actual adjusted flow rate, the target refrigerant flow rate for each indoor unit is determined, and the refrigerant flow rate at one end of the heat dissipation refrigerant pipe group connected to each indoor unit is adjusted according to the target refrigerant flow rate.

[0021] In one possible implementation of this application, determining the total operating capacity of all indoor units based on the indoor temperature, the set temperature, and the fan parameters includes:

[0022] Calculate the temperature difference value corresponding to each indoor unit based on the indoor temperature and the set temperature;

[0023] Based on the temperature difference, air density, and the fan parameters corresponding to the indoor unit, calculate the energy of the indoor unit.

[0024] The total working power of all indoor units is determined based on the preset energy correction parameters corresponding to the target indoor unit and the working power of the indoor unit.

[0025] In one possible implementation of this application, the step of adjusting the refrigerant flow rate of the indoor unit based on the module temperature of the power module and the pipe temperature of the heat dissipation refrigerant pipe assembly if the total power output is less than the preset energy threshold corresponding to the outdoor unit includes:

[0026] Obtain the indoor temperature and set temperature corresponding to the indoor unit;

[0027] Calculate the temperature difference between the indoor temperature and the set temperature, as well as the temperature change of the indoor temperature;

[0028] Based on a preset mapping table corresponding to temperature difference, temperature change, and superheat, the target superheat corresponding to the temperature difference value and the temperature change value is determined.

[0029] The refrigerant flow rate of the target indoor unit is adjusted according to the relationship between the target superheat and the preset superheat.

[0030] Secondly, this application provides an air conditioning refrigerant flow control device, which is applied to an air conditioning system. The air conditioning system includes an outdoor unit, a power module, and at least one indoor unit. A heat dissipation refrigerant pipe assembly for heat dissipation of the power module is provided between the outdoor unit and the indoor unit. The device includes:

[0031] Monitoring module: used to monitor the indoor temperature, set temperature and fan parameters of the target indoor unit when it is detected that the target indoor unit is working;

[0032] Determining module: used to determine the total workload of all the target indoor units based on the indoor temperature, the set temperature and the fan parameters;

[0033] Adjustment module: If the total power output is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the target indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group.

[0034] Thirdly, this application provides an air conditioning system, which includes: a compressor, an outdoor unit, a power module and at least one indoor unit, a heat dissipation refrigerant pipe assembly, and a valve assembly, wherein the outdoor unit includes an outdoor heat exchanger and the indoor unit includes an indoor heat exchanger.

[0035] The compressor, the outdoor heat exchanger, the refrigerant piping assembly, and at least one indoor heat exchanger form a refrigerant circulation loop;

[0036] The heat dissipation refrigerant pipe assembly is arranged around the power module.

[0037] The valve assembly is located at one end of the indoor unit and is used to control the refrigerant flow of the target indoor unit.

[0038] In one possible implementation of this application, the valve assembly includes at least one electronic expansion valve, which is respectively located at one end of each indoor unit connected to the heat dissipation refrigerant pipe assembly.

[0039] Fourthly, this application provides a computer-readable storage medium, characterized in that it stores a computer program thereon, the computer program being loaded by a processor to execute the steps in any of the air conditioning refrigerant flow control methods described in the application.

[0040] This application provides an air conditioning refrigerant flow control method, device, air conditioning system, and storage medium. A refrigerant cooling pipe assembly for dissipating heat from the power module is connected between the outdoor unit and the indoor unit. The system then acquires the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit. Based on the indoor temperature, set temperature, and fan parameters, the total operating capacity of all indoor units is determined. If the total operating capacity is less than a preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the indoor unit is adjusted based on the module temperature corresponding to the power module and the pipe assembly temperature of the refrigerant cooling pipe assembly. By acquiring the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit, the total operating power is calculated. This total operating power is then compared with the preset energy threshold corresponding to the outdoor unit to detect the power module's operating power. If the total operating power is less than the preset energy threshold corresponding to the outdoor unit, the power module's operating power is too high, potentially leading to a high power module temperature and excessively high refrigerant temperature, resulting in poor heat dissipation. Therefore, based on the power module temperature and the temperature of the heat dissipation pipe assembly used to cool the power module, the refrigerant flow rate within the indoor unit is adjusted. When both the power module temperature and the refrigerant temperature are high, the refrigerant flow rate is adjusted promptly to increase refrigerant heat exchange efficiency and improve the power module's heat dissipation effect. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0042] Figure 1 This is a schematic diagram of the air conditioning system provided in the embodiments of this application;

[0043] Figure 2 This is a schematic flowchart of one embodiment of the air conditioning refrigerant flow control method of this application;

[0044] Figure 3 A schematic diagram of an implementation scheme for refrigerant adjustment of the indoor unit in the air conditioning refrigerant flow control method provided in this application;

[0045] Figure 4 A schematic diagram of an implementation scheme for determining flow regulation parameters in the air conditioning refrigerant flow control method provided in this application;

[0046] Figure 5 A schematic diagram of an implementation scheme for adjusting the refrigerant flow in the air conditioning refrigerant flow control method provided in this application;

[0047] Figure 6 A schematic diagram of an implementation scheme for determining the total functional quantity in the air conditioning refrigerant flow control method provided in this application;

[0048] Figure 7 A schematic diagram of another embodiment of the air conditioning refrigerant flow control method provided in this application;

[0049] Figure 8 This is a schematic diagram of an embodiment of the air conditioning refrigerant flow control device provided in this application.

[0050] Figure 9 This is a schematic diagram of an embodiment of the air conditioning system control device provided in this application.

[0051] In the diagram: 1. Outdoor heat exchanger, 2. Power module, 3. Refrigerant piping assembly, 4. Indoor heat exchanger, 5. Compressor, 6. Valve assembly, 60. Electronic expansion valve. Detailed Implementation

[0052] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0053] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0054] In this application, the term "exemplary" is used to mean "serving as an example, illustration, or description." Any embodiment described as "exemplary" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to make and use the invention. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that the invention can be made without using these specific details. In other instances, well-known structures and processes will not be described in detail to avoid obscuring the description of the invention with unnecessary detail. Therefore, the invention is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0055] This application provides an air conditioning refrigerant flow control method, device, air conditioning system, and storage medium, which will be described in detail below.

[0056] The air conditioning refrigerant flow control method in this embodiment of the invention is applied to an air conditioning refrigerant flow control device, which is installed in an air conditioning system. The air conditioning system is equipped with one or more processors, a memory, and one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the air conditioning refrigerant flow control method. It can be understood that the one or more processors and memory in the air conditioning system can be integrated on the air conditioner control circuit board. The air conditioner control circuit board can be installed in the air conditioning system control device, which can be a terminal, such as a mobile phone or tablet computer. The air conditioning refrigerant flow control device can also be a server, or a service cluster composed of multiple servers, or an indoor unit or an outdoor unit.

[0057] See details Figure 1 , Figure 1 This is a schematic diagram of the air conditioning system in the embodiment of this application. Specifically, the air conditioning system includes: a compressor 5, an outdoor unit, a power module 2, and at least one indoor unit, a refrigerant pipe assembly 3, and a valve assembly 6. The outdoor unit includes an outdoor heat exchanger 1, and the indoor unit includes an indoor heat exchanger 4. The compressor 5, the outdoor heat exchanger 1, the refrigerant pipe assembly 3, and at least one indoor heat exchanger 4 form a refrigerant circulation loop. The refrigerant pipe assembly 3 surrounds the power module 2. The valve assembly 6 is located at one end of the indoor unit and is used to control the refrigerant flow of the target indoor unit.

[0058] The outdoor unit is connected to the refrigerant of each indoor unit to form a refrigerant circulation loop. That is, when there is only one indoor unit, the indoor unit and the outdoor unit form a refrigerant circulation loop. When there are more than one indoor unit, the air conditioning system is a multi-split air conditioning system. In this case, the output of the outdoor unit is connected to the refrigerant input of each indoor unit, and the output of each indoor unit is connected to the input of the indoor unit.

[0059] Furthermore, the output or input terminals of multiple indoor units can be connected to the outdoor unit by a refrigerant main pipe to collect refrigerant.

[0060] It is understood that the outdoor unit contains a compressor 5 and an outdoor heat exchanger 1. The compressor 5 includes an exhaust port and a return port. The indoor unit includes an indoor heat exchanger 4. Specifically, when the exhaust port of the compressor 5 is connected to the outdoor heat exchanger 1, the return port of the compressor 5 is connected to the indoor heat exchanger 4. At this time, the end of the outdoor heat exchanger 1 not connected to the compressor 5 is connected to the refrigerant at the end of the indoor heat exchanger, and the other end of the indoor heat exchanger 4 is connected to the refrigerant at the return port of the compressor 5. When the exhaust port of the compressor 5 is connected to the indoor heat exchanger 4, the return port of the compressor 5 is connected to the outdoor heat exchanger 1. At this time, the end of the outdoor heat exchanger 1 not connected to the compressor 5 is connected to the refrigerant at the end of the indoor heat exchanger, and the other end of the indoor heat exchanger 4 is connected to the refrigerant at the exhaust port of the compressor 5.

[0061] Specifically, the heat dissipation refrigerant pipe assembly 3 includes at least one refrigerant pipe for heat dissipation of the power module 2. One end of the heat dissipation refrigerant pipe assembly 3 is connected to the refrigerant of the indoor heat exchanger 4, and the other end of the heat dissipation refrigerant pipe assembly 3 is connected to the refrigerant of the outdoor heat exchanger 1. The heat dissipation refrigerant pipe assembly 3 is arranged around the power module 2, that is, the heat dissipation refrigerant pipe assembly 3 is arranged in a ring around the power module 2.

[0062] Specifically, in the embodiments of this application, the valve assembly 6 is located at one end of the indoor unit and is used to control the refrigerant flow of the target indoor unit. The valve assembly 6 includes at least one electronic expansion valve 60, which is respectively located at one end of each indoor unit connected to the heat dissipation refrigerant pipe assembly 3. It is understood that in some other embodiments of this application, the valve assembly 6 may also include only one electronic expansion valve 60, located at the end of the heat dissipation refrigerant pipe assembly 3 connected to the indoor heat exchanger 4, for controlling the total flow of the indoor heat exchanger 4. The specific configuration can be adjusted according to actual needs.

[0063] Based on the above-mentioned air conditioning system, an embodiment of an air conditioning refrigerant flow control method is proposed, which is applied to the air conditioning system described in the above embodiment.

[0064] The air conditioning system provided in the embodiments of this application provides a refrigerant pipe group 3 for heat dissipation of the power module 2 by connecting the outdoor unit and the indoor unit. Then, the indoor temperature, set temperature and fan parameters of the indoor unit are obtained. Based on the indoor temperature, the set temperature and the fan parameters, the total operating capacity of all indoor units is determined. If the total operating capacity is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the indoor unit is adjusted according to the module temperature of the power module 2 and the pipe group temperature of the refrigerant pipe group 3. By acquiring the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit, the total operating power is calculated. The total operating power is then compared with the preset energy threshold corresponding to the outdoor unit to detect the power output of the power module 2. If the total operating power is less than the preset energy threshold corresponding to the outdoor unit, the power output of the power module 2 is considered to be higher. In this case, the refrigerant flow rate in the indoor unit is adjusted based on the temperature of the power module 2 and the temperature of the heat dissipation pipe assembly used for cooling the low-power module 2. This adjustment of the refrigerant flow rate in the heat dissipation pipe assembly 3 improves the heat dissipation effect of the power module 2.

[0065] like Figure 2 As shown, Figure 2 This is a schematic flowchart of an embodiment of the air conditioning refrigerant flow control method according to this application. The air conditioning refrigerant flow control method includes steps S201-S203:

[0066] S201. Obtain the indoor temperature, set temperature and fan parameters corresponding to the indoor unit.

[0067] Specifically, the indoor temperature corresponding to the indoor unit's operating environment can be collected by an indoor temperature acquisition device installed on the indoor unit. It can be understood that when there are multiple indoor units, the indoor ambient temperature corresponds to multiple indoor units. For example, the indoor units include indoor unit 1 installed in the bedroom, indoor unit 2 installed in the study, etc., that is, the indoor ambient temperature includes the bedroom ambient temperature and the study ambient temperature.

[0068] Specifically, the set temperature, that is, the set temperature corresponding to each indoor unit, can be understood as either a user-set temperature collected by an information collection device that communicates with each indoor unit, or a preset set temperature. The information collection device can be a remote control, mobile phone, etc. When there are multiple indoor units, the set temperature corresponds to multiple temperatures for each indoor unit. For example, the indoor units may include indoor unit 1 installed in the bedroom, indoor unit 2 installed in the study, etc., meaning the set ambient temperature includes the set temperature of indoor unit 1 and the set temperature of indoor unit 2.

[0069] Specifically, the fan parameters, that is, the operating parameters of the indoor fan corresponding to each indoor unit, can be understood as fan speed setting, fan speed, and fan airflow, etc. Specifically, the fan airflow can be obtained by mapping the fan speed setting or fan speed. It can be understood that when there are multiple indoor units, each indoor unit corresponds to multiple fans.

[0070] Specifically, upon receiving an operation command from the indoor unit, the system responds to the operation command and acquires the corresponding indoor temperature, set temperature, and fan parameters. Specifically, the acquisition of the corresponding indoor temperature, set temperature, and fan parameters includes:

[0071] In one embodiment of this application: if at least one indoor unit performs work within the same time period, the corresponding indoor temperature, set temperature, and fan parameters of the multiple indoor units performing work within the same time period are collected; if there is an indoor unit performing work in response to a historical work command, and the collection interval for the indoor temperature, set temperature, and fan parameters of the indoor unit performing work reaches a preset collection interval, then the indoor temperature, set temperature, and fan parameters of the indoor unit performing work are collected simultaneously.

[0072] In another embodiment of this application, in response to the indoor unit's work command, the indoor temperature, set temperature, and fan parameters corresponding to all indoor units are collected.

[0073] S202. Determine the total operating capacity of all indoor units based on the indoor temperature, the set temperature, and the fan parameters.

[0074] The total work done refers to the total work demand of all indoor units, i.e., the work required for the indoor units to respond to the work command and adjust the indoor temperature to the set temperature. Specifically, after obtaining the indoor temperatures corresponding to all indoor units, the calculation method for the total work done is not specifically limited in this application, but may include, for example:

[0075] One feasible implementation scheme is to find the corresponding work energy of an indoor unit based on a set of set temperatures and the mapping between indoor temperature and set temperature, and then determine the work energy of the indoor unit based on all the work energy.

[0076] Implementation scheme two: Based on the average values ​​of the set temperature and the indoor temperature, and the number of indoor units performing work, estimate the total work energy of all indoor units to determine the work energy of the indoor units.

[0077] S203. If the total power output is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group.

[0078] The preset energy threshold is the operating capacity limit of the outdoor unit. It can be understood that the preset energy threshold can be designed based on actual power requirements. Specifically, it can be the rated operating capacity of the outdoor unit, or it can be a preset value lower than the rated operating capacity of the outdoor unit. For example, the preset energy threshold is 0.3. 0.5 etc., among which The rated function of the outdoor unit.

[0079] The module temperature refers to the temperature of the power module. It can be understood that the module temperature can be collected by a temperature detection device installed on the power module, such as a temperature sensor or a temperature sensing bulb.

[0080] The tube group temperature refers to the temperature of the heat dissipation refrigerant tube group used to dissipate heat for the power module. It can be understood that the tube group temperature can be collected by a temperature detection device installed on the heat dissipation refrigerant tube group, such as a temperature sensor or a temperature sensing bulb.

[0081] Specifically, after obtaining the total operating capacity of the indoor unit, the total operating capacity is compared with the preset energy threshold corresponding to the outdoor unit. If the total operating capacity is less than the preset energy threshold corresponding to the outdoor unit, it indicates that the refrigerant flow rate of the indoor unit is within a reasonable range. At this time, the temperature of the power module and the refrigerant pipe group are detected by detecting the module temperature and the pipe group temperature of the heat dissipation refrigerant pipe group, and the refrigerant flow rate of the indoor unit is adjusted according to the temperature of the power module and the refrigerant pipe group.

[0082] Specifically, in another embodiment of this application, the air conditioning refrigerant flow control method further includes:

[0083] (1) Obtain the indoor temperature, set temperature and fan parameters corresponding to the indoor unit;

[0084] (2) Determine the total operating capacity of all indoor units based on the indoor temperature, the set temperature and the fan parameters;

[0085] (3) If the total work capacity is not less than the preset energy threshold corresponding to the outdoor unit, the work capacity of the indoor unit is reduced according to the preset indoor unit work correction parameters;

[0086] (4) Based on the reduced working energy, determine the working parameters of each indoor unit and control the indoor unit to perform work.

[0087] Furthermore, based on the above implementation plan, see [link to relevant documentation]. Figure 3 , Figure 3 This is a schematic diagram of an implementation scheme for refrigerant adjustment of the indoor unit in the air conditioning refrigerant flow control method provided in this application, including steps S301-S303:

[0088] S301. If the total power consumption is less than the preset energy threshold corresponding to the outdoor unit, then obtain the module temperature corresponding to the power module.

[0089] Specifically, after obtaining the total operating capacity of the indoor unit, the total operating capacity is compared with the preset energy threshold corresponding to the outdoor unit. If the total operating capacity is less than the preset energy threshold corresponding to the outdoor unit, it indicates that the refrigerant flow of the indoor unit is within a reasonable range. At this time, the module temperature is collected by the temperature detection device set on the power module, and the pipe group temperature is collected by the temperature detection device set on the heat dissipation refrigerant pipe group.

[0090] S302. If the module temperature is greater than the preset temperature threshold, then the flow rate adjustment parameter of the heat dissipation refrigerant pipe group connected to the indoor unit is determined according to the target temperature difference between the module temperature and the pipe group temperature.

[0091] The preset temperature threshold is used to determine whether the mode temperature is too high. It can be understood that the preset temperature threshold can be determined based on experimental results.

[0092] The flow regulation parameter, that is, the regulation parameter of the device used to regulate the flow rate, such as the speed of the compressor drive motor, the opening degree of the compressor valve, etc., in the technical solution of this application, the flow regulation parameter is the opening regulation parameter of the electronic expansion valve, which is used to regulate the flow rate of the indoor unit and the heat dissipation refrigerant pipe group.

[0093] It is understood that in some other embodiments of this application, if the module temperature is not greater than a preset temperature threshold, the module temperature is monitored until it is detected that the module temperature is greater than the preset temperature threshold. Then, based on the target temperature difference between the module temperature and the pipe group temperature, the flow regulation parameters of the heat dissipation refrigerant pipe group connected to the indoor unit are determined.

[0094] S303. Adjust the refrigerant flow rate of the indoor unit according to the flow rate adjustment parameters.

[0095] Specifically, if the module temperature is greater than the preset temperature threshold, it indicates that the module temperature is too high. In this case, the temperature difference between the pipe group temperature and the module temperature is compared. The relationship between the pipe group temperature and the module temperature is determined based on the temperature difference. Based on the relationship between the module temperature and the pipe group temperature, the flow adjustment parameters of the refrigerant pipe group connected to the indoor unit are determined. The refrigerant flow of the indoor unit is adjusted to increase the refrigerant flow and improve the heat exchange performance of the power module.

[0096] Furthermore, based on any of the above implementation schemes, see [link to relevant documentation]. Figure 4 , Figure 4 A schematic diagram of an implementation scheme for determining flow regulation parameters in the air conditioning refrigerant flow control method provided in this application, including steps S401-S402:

[0097] S401. If the module temperature is greater than the preset temperature threshold, calculate the target temperature difference between the module temperature and the pipe group temperature.

[0098] The target temperature difference value is the temperature difference between the module temperature and the pipe group temperature.

[0099] S402. If the target temperature difference value is greater than the preset temperature difference threshold, then according to the preset mapping relationship between the temperature difference value and the adjustment parameter, the flow adjustment parameter corresponding to the target temperature difference value is found.

[0100] It is understood that the preset mapping relationship can be multiple temperature difference values ​​corresponding to one adjustment parameter, or one temperature difference value corresponding to one adjustment parameter. This application does not make any specific limitations.

[0101] Specifically, in the embodiments of this application, the preset mapping relationship can be multiple temperature difference values ​​corresponding to one adjustment parameter. That is, after determining the target temperature difference, the temperature difference range of the target temperature difference value is first determined, and the corresponding flow adjustment parameter is determined according to the temperature difference range.

[0102] Specifically, the air conditioning system calculates the target temperature difference in real time. If it determines that 15 ≤ the target temperature difference, the system reduces the workload of the indoor unit according to the preset indoor unit workload correction parameters. Based on the reduced workload, the system determines the workload parameters of each indoor unit, controls the indoor unit to perform work, and executes step S201. If it determines that 10 ≤ the target temperature difference < 15, the opening of the indoor unit's electronic expansion valve is prohibited from decreasing, i.e., the flow regulation parameter is 0. If 5 ≤ the target temperature difference < 10, the indoor unit's electronic expansion valve opens 30P per cycle, i.e., the flow regulation parameter is 30P. When the target temperature difference < 5, the indoor unit's electronic expansion valve opens 60P per cycle, i.e., the flow regulation parameter is 60P. If the module temperature ≥ the preset module temperature limit, the indoor unit's electronic expansion valve immediately opens to the expansion valve limit.

[0103] Furthermore, based on any of the above implementation schemes, see [link to relevant documentation]. Figure 5 , Figure 5 A schematic diagram of an implementation scheme for adjusting the refrigerant flow in the air conditioning refrigerant flow control method provided in this application, including steps S501-S504:

[0104] S501. Obtain the actual flow rate at one end of the heat dissipation refrigerant pipe group connected to the indoor unit.

[0105] The actual flow rate refers to the output / input flow rate of each indoor unit connected to one end of the heat dissipation refrigerant pipe group.

[0106] Specifically, the actual flow rate data can be obtained by measuring the flow rate at the output / inlet of each indoor unit, which is installed at one end of the refrigerant pipe assembly.

[0107] S502. Determine the flow adjustment weight corresponding to the indoor unit based on the indoor temperature and the set temperature corresponding to the indoor unit.

[0108] The flow adjustment weight is the adjustment weight used to correct the flow adjustment parameters. This application does not specifically limit the method for determining the flow adjustment weight; for example:

[0109] One feasible implementation scheme is to calculate the working temperature difference between the indoor temperature and the set temperature of each indoor unit, and determine the flow adjustment weight of each indoor unit based on the size of the working temperature difference. For example, if the working temperature difference is small, it means that the urgency of working is not high, so a smaller flow adjustment weight is set, that is, the working power of the indoor unit corresponding to the working temperature difference is reduced relatively more.

[0110] Implementation scheme two: Calculate the working temperature difference between the indoor temperature and the set temperature corresponding to each indoor unit, map and look up to determine the initial adjustment weight, and combine the location information of each indoor unit or the usage rate of the indoor unit within a preset time period to determine the usage preference information of the target user for each indoor unit. Based on the usage preference information, further correct the initial adjustment weight corresponding to each indoor unit to determine the flow adjustment weight corresponding to each indoor unit.

[0111] Implementation scheme three: Calculate the working temperature difference between the indoor temperature and the set temperature corresponding to each indoor unit, and calculate the total working temperature difference. Determine the flow adjustment weight according to the proportion of the working temperature difference to the total working temperature difference.

[0112] S503. Determine the actual adjusted flow corresponding to the flow adjustment weight based on the flow adjustment weight and the flow adjustment parameter.

[0113] In this application embodiment, the actual adjusted flow rate, i.e. the flow rate adjustment parameter of each indoor unit, is the valve opening of the electronic expansion valve at one end of the refrigerant pipe group connected to the heat dissipation of each indoor unit.

[0114] Specifically, this application does not impose specific limitations on the method for determining the actual adjusted flow rate, for example:

[0115] One feasible implementation scheme is to decompose the flow adjustment parameter according to the flow adjustment weight, that is, to multiply the flow adjustment weight by the flow adjustment parameter to obtain the corresponding actual adjustment flow. It can be understood that the sum of the flow adjustment weights is 1.

[0116] A feasible implementation scheme two: The number of flow adjustment weights corresponding to the flow adjustment parameters is evenly divided, and the initial actual flow after equalization and the flow adjustment weights are merged to determine the first-level actual flow. The remaining evenly divided flow adjustment parameters are further evenly divided, and the initial actual flow after equalization and the flow adjustment weights are merged to determine the second-level actual flow. This process continues until the remaining evenly divided flow adjustment parameters are less than a preset threshold. The multi-level actual flows corresponding to each flow adjustment weight are superimposed to obtain the actual flow corresponding to each flow adjustment weight, thereby determining the actual flow corresponding to each flow adjustment weight.

[0117] S504. Based on the actual flow rate and the actual adjusted flow rate, determine the target refrigerant flow rate for each indoor unit, and adjust the refrigerant flow rate at one end of the heat dissipation refrigerant pipe group connected to each indoor unit according to the target refrigerant flow rate.

[0118] Specifically, after determining the actual adjustment flow rate, the air conditioning system merges the actual adjustment flow rate with the corresponding actual flow rate to obtain the target total flow rate for each indoor unit, i.e., the target refrigerant flow rate. Then, based on the target total flow rate, the refrigerant flow rate at one end of the heat dissipation refrigerant pipe group connected to each indoor unit is adjusted.

[0119] Specifically, in the implementation scheme of this application, the actual adjusted flow rate and the corresponding actual flow rate are added together to achieve fusion, and the target total flow rate is the valve opening degree of the electronic expansion valve corresponding to the indoor unit.

[0120] Furthermore, based on any of the above implementation schemes, see [link to relevant documentation]. Figure 6 , Figure 6 A schematic diagram of an implementation scheme for determining the total functional quantity in the air conditioning refrigerant flow control method provided in this application, including steps S601-S603:

[0121] S601. Calculate the temperature difference value corresponding to each indoor unit based on the indoor temperature and the set temperature.

[0122] Specifically, the set temperatures of indoor units 1, 2, 3...n are collected, respectively. , ... and the actual room temperature, respectively , ... And calculate the corresponding temperature difference values ​​for 1, 2, 3...n.

[0123] S602. Calculate the work energy corresponding to the target indoor unit based on the temperature difference value, air density, and the fan parameters corresponding to the indoor unit.

[0124] Specifically, the required cooling capacity for each room is calculated based on the various temperature differences and fan parameters. , ... For the calculation of the work done in each room, please refer to:

[0125] = *K

[0126] Where ρ is the air density, K is the correction coefficient, which can be preset by experimental debugging, L is the fan parameter, which is the air volume of the indoor unit corresponding to the indoor unit, in m3 / h.

[0127] S603. Determine the total working power of all indoor units based on the preset energy correction parameters corresponding to the target indoor unit and the working power of the indoor unit.

[0128] For details on the total functional workload calculation, please refer to:

[0129] = ;

[0130] in, This represents the total cooling capacity requirement of the system, in kW.

[0131] Furthermore, based on any of the above implementation schemes, see [link to relevant documentation]. Figure 7 , Figure 7 A schematic diagram of another embodiment of the air conditioning refrigerant flow control method provided in this application is shown, including steps S701-S707:

[0132] S701. Obtain the indoor temperature, set temperature and fan parameters corresponding to the indoor unit.

[0133] S702. Determine the total operating capacity of all indoor units based on the indoor temperature, the set temperature, and the fan parameters.

[0134] S703. If the total power output is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group.

[0135] S704. Obtain the indoor temperature and set temperature corresponding to the indoor unit.

[0136] Specifically, after adjusting the refrigerant flow of the indoor unit, the air conditioning system collects the indoor temperature and set temperature of the indoor unit according to the preset parameter collection frequency.

[0137] S705. Calculate the temperature difference between the indoor temperature and the set temperature, and the temperature change of the indoor temperature.

[0138] The temperature change value refers to the change in the indoor ambient temperature corresponding to the indoor unit, which is the temperature difference before and after the ambient temperature collection period.

[0139] S706. Determine the target superheat corresponding to the temperature difference value and the temperature change value according to the preset mapping table corresponding to the temperature difference, temperature change and superheat.

[0140] Specifically, after obtaining the temperature difference and temperature change values, the air conditioning system looks up the corresponding preset mapping table for temperature difference, temperature change, and superheat according to a preset mapping lookup formula. The preset mapping lookup formula can be found here:

[0141]

[0142] Where E is the difference between the ambient temperature and the set temperature, ΔT_loop is the temperature change, that is, the difference between the ambient temperature before and after each temperature collection cycle; Y is the correction coefficient, which can be preset by experimental debugging, for example, the default value is 1.

[0143] S707. Adjust the refrigerant flow rate of the target indoor unit according to the relationship between the target superheat and the preset superheat.

[0144] It is understandable that the indoor superheat is directly proportional to the opening of the electronic expansion valve. By comparing the target superheat with the preset superheat, if the target superheat is greater than the preset superheat, it means that the indoor unit is overheated too much. In this case, the opening of the electronic expansion valve should be reduced. If the target superheat is less than the preset superheat, it means that the indoor unit is underheated too little. In this case, the opening of the electronic expansion valve should be increased.

[0145] The implementation scheme of this application provides an air conditioning refrigerant flow control method, which involves connecting a heat dissipation refrigerant pipe group between the outdoor unit and the indoor unit to dissipate heat from the power module, and then obtaining the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit; and determining the total operating capacity of all the indoor units based on the indoor temperature, the set temperature, and the fan parameters; if the total operating capacity is less than the preset energy threshold corresponding to the outdoor unit, adjusting the refrigerant flow of the indoor unit based on the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group. By acquiring the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit, the total operating power is calculated. This total operating power is then compared with the preset energy threshold corresponding to the outdoor unit to detect the power module's operating power. If the total operating power is less than the preset energy threshold corresponding to the outdoor unit, the power module's operating power is too high, potentially leading to a high power module temperature and excessively high refrigerant temperature, resulting in poor heat dissipation. Therefore, based on the power module temperature and the temperature of the heat dissipation pipe assembly used to cool the power module, the refrigerant flow rate within the indoor unit is adjusted. When both the power module temperature and the refrigerant temperature are high, the refrigerant flow rate is adjusted promptly to increase refrigerant heat exchange efficiency and improve the power module's heat dissipation effect.

[0146] To better implement the air conditioning refrigerant flow control method in the embodiments of this application, an air conditioning refrigerant flow control device is also provided in the embodiments of this application, such as... Figure 8 As shown, the air conditioning refrigerant flow control device includes modules 801-803:

[0147] Monitoring module 801: When the target indoor unit is detected to be working, it monitors the indoor temperature, set temperature and fan parameters corresponding to the target indoor unit;

[0148] Determining module 802: used to determine the total workload of all the target indoor units based on the indoor temperature, the set temperature and the fan parameters;

[0149] Adjustment module 803: If the total power output is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the target indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group.

[0150] In some embodiments of this application, the adjustment module 803 is used to adjust the refrigerant flow rate of the target indoor unit according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group if the total power output is less than the preset energy threshold corresponding to the outdoor unit. Specifically, this includes:

[0151] If the total power output is less than the preset energy threshold corresponding to the outdoor unit, then obtain the module temperature corresponding to the power module;

[0152] If the module temperature is greater than the preset temperature threshold, the flow rate adjustment parameter of the heat dissipation refrigerant pipe group connected to the indoor unit is determined according to the target temperature difference between the module temperature and the pipe group temperature.

[0153] The refrigerant flow rate of the indoor unit is adjusted according to the flow regulation parameters.

[0154] In some embodiments of this application, the adjustment module 803 is configured to: determine the flow rate adjustment parameters of the heat dissipation refrigerant pipe group connecting to the indoor unit based on the temperature relationship between the module temperature and the pipe group temperature if the module temperature is greater than a preset temperature threshold; specifically, this includes:

[0155] If the module temperature is greater than the preset temperature threshold, then calculate the target temperature difference between the module temperature and the pipe group temperature;

[0156] If the target temperature difference is greater than the preset temperature difference threshold, then the flow rate adjustment parameter corresponding to the target temperature difference is found according to the preset mapping relationship between the temperature difference and the adjustment parameter.

[0157] In some embodiments of this application, the adjustment module 803 is used to adjust the refrigerant flow of the indoor unit according to the flow adjustment parameters, specifically including:

[0158] Obtain the actual flow rate at one end of the heat dissipation refrigerant pipe assembly connected to the indoor unit;

[0159] The flow adjustment weight corresponding to the indoor unit is determined based on the indoor temperature and the set temperature of the indoor unit.

[0160] Based on the flow adjustment weight and the flow adjustment parameter, determine the actual adjusted flow corresponding to the flow adjustment weight;

[0161] Based on the actual flow rate and the actual adjusted flow rate, the target refrigerant flow rate for each indoor unit is determined, and the refrigerant flow rate at one end of the heat dissipation refrigerant pipe group connected to each indoor unit is adjusted according to the target refrigerant flow rate.

[0162] In some embodiments of this application, the determining module 802 is configured to determine the total operating capacity of all the target indoor units based on the indoor temperature, the set temperature, and the fan parameters, specifically including:

[0163] Calculate the temperature difference value corresponding to each indoor unit based on the indoor temperature and the set temperature;

[0164] Based on the temperature difference, air density, and fan parameters corresponding to the indoor unit, calculate the energy of work done by the target indoor unit.

[0165] The total working power of all indoor units is determined based on the preset energy correction parameters corresponding to the target indoor unit and the work energy.

[0166] In some embodiments of this application, the adjustment module 803 is configured to: adjust the refrigerant flow rate of the target indoor unit according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group if the total power output is less than the preset energy threshold corresponding to the outdoor unit; and further include:

[0167] Obtain the indoor temperature and set temperature corresponding to the indoor unit;

[0168] Calculate the temperature difference between the indoor temperature and the set temperature, as well as the temperature change of the indoor temperature;

[0169] Based on a preset mapping table corresponding to temperature difference, temperature change, and superheat, the target superheat corresponding to the temperature difference value and the temperature change value is determined.

[0170] The refrigerant flow rate of the target indoor unit is adjusted according to the relationship between the target superheat and the preset superheat.

[0171] In some embodiments of this application, the air conditioning refrigerant flow control device can be implemented as a computer program, and the computer program can be implemented as follows: Figure 9 The air conditioning system control equipment shown operates on this system. The memory of the air conditioning system control equipment can store the various program modules that make up the refrigerant flow control device, for example... Figure 8 The monitoring module 801, determination module 802, and adjustment module 803 are shown. The computer program, composed of these modules, causes the processor to execute the steps in the air conditioning refrigerant flow control methods of the various embodiments of this application described in this specification.

[0172] For example, Figure 8 The air conditioning system control equipment shown can be controlled by, for example Figure 8 The monitoring module 801 in the air conditioning refrigerant flow control device shown executes step S201. The air conditioning system control device can execute step S202 through the determining module 802. The air conditioning system control device can execute step S203 through the adjusting module 803. The air conditioning system control device includes a processor, a memory, and a network interface connected via a system bus. The processor of the air conditioning system control device provides computing and control capabilities. The memory of the air conditioning system control device includes a non-volatile storage medium and internal memory. The non-volatile storage medium stores an operating system and computer programs. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium. The network interface of the air conditioning system control device is used for communication with external air conditioning system control devices via a network connection. When the computer program is executed by the processor, it implements an air conditioning refrigerant flow control method.

[0173] This application provides an air conditioning refrigerant flow control device. A refrigerant cooling pipe assembly for dissipating heat from the power module is connected between the outdoor unit and the indoor unit. The device then acquires the indoor temperature, set temperature, and fan parameters corresponding to each indoor unit. Based on the indoor temperature, set temperature, and fan parameters, the device determines the total operating capacity of all indoor units. If the total operating capacity is less than a preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the indoor unit is adjusted based on the module temperature corresponding to the power module and the pipe assembly temperature of the refrigerant cooling pipe assembly. By acquiring the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit, the total operating power is calculated. This total operating power is then compared with the preset energy threshold corresponding to the outdoor unit to detect the power module's operating power. If the total operating power is less than the preset energy threshold corresponding to the outdoor unit, the power module's operating power is too high, potentially leading to a high power module temperature and excessively high refrigerant temperature, resulting in poor heat dissipation. Therefore, based on the power module temperature and the temperature of the heat dissipation pipe assembly used to cool the power module, the refrigerant flow rate within the indoor unit is adjusted. When both the power module temperature and the refrigerant temperature are high, the refrigerant flow rate is adjusted promptly to increase refrigerant heat exchange efficiency and improve the power module's heat dissipation effect.

[0174] Those skilled in the art will understand that Figure 9 The structure shown is merely a block diagram of a portion of the structure related to the present application and does not constitute a limitation on the air conditioning system control equipment to which the present application is applied. The specific air conditioning system control equipment may include more or fewer components than those shown in the figure, or combine certain components, or have different component arrangements.

[0175] In some embodiments of this application, an air conditioning system control device is provided, including one or more processors; a memory; and one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor as described in the air conditioning refrigerant flow control method. The steps of the air conditioning refrigerant flow control method here can be the steps in the air conditioning refrigerant flow control methods of the various embodiments described above. The terminal can be an indoor unit of an air conditioner.

[0176] In some embodiments of this application, a computer-readable storage medium is provided, storing a computer program. The computer program is loaded by a processor, causing the processor to execute the steps of the aforementioned air conditioning refrigerant flow control method. The steps of the air conditioning refrigerant flow control method here can be the steps from the air conditioning refrigerant flow control methods of the various embodiments described above.

[0177] Those skilled in the art will understand that all or part of the processes in the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium, and when executed, it can include the processes of the embodiments of the above methods. Any references to memory, storage, databases, or other media used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, or optical storage, etc. Volatile memory can include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc.

[0178] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0179] The above provides a detailed description of an air conditioning refrigerant flow control method, device, air conditioning system, and storage medium provided in the embodiments of this application. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A method for controlling the refrigerant flow rate in an air conditioning system, characterized in that, The method is applied to an air conditioning system, which includes an outdoor unit, a power module, and at least one indoor unit. A refrigerant pipe assembly for dissipating heat from the power module is connected between the outdoor unit and the indoor unit. The method includes: Obtain the indoor temperature, set temperature, and fan parameters corresponding to the indoor unit; The total operating capacity of all indoor units is determined based on the indoor temperature, the set temperature, and the fan parameters. If the total power output is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group.

2. The air conditioning refrigerant flow control method according to claim 1, characterized in that, If the total operating capacity is less than the preset energy threshold corresponding to the outdoor unit, then the refrigerant flow rate of the indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe temperature of the heat dissipation refrigerant pipe assembly, including: If the total power output is less than the preset energy threshold corresponding to the outdoor unit, then obtain the module temperature corresponding to the power module; If the module temperature is greater than the preset temperature threshold, the flow regulation parameters of the heat dissipation refrigerant pipe group connected to the indoor unit are determined based on the target temperature difference between the module temperature and the pipe group temperature of the heat dissipation refrigerant pipe group. The refrigerant flow rate of the indoor unit is adjusted according to the flow regulation parameters.

3. The air conditioning refrigerant flow control method according to claim 2, characterized in that, If the module temperature is greater than a preset temperature threshold, then based on the target temperature difference between the module temperature and the pipe group temperature, the flow regulation parameters of the heat dissipation refrigerant pipe group connected to the indoor unit are determined, including: If the module temperature is greater than the preset temperature threshold, then calculate the target temperature difference between the module temperature and the pipe group temperature; If the target temperature difference is greater than the preset temperature difference threshold, then the flow rate adjustment parameter corresponding to the target temperature difference is found according to the preset mapping relationship between the temperature difference and the adjustment parameter.

4. The air conditioning refrigerant flow control method according to claim 2, characterized in that, The adjustment of the refrigerant flow rate of the indoor unit according to the flow rate adjustment parameters includes: Obtain the actual flow rate at one end of the heat dissipation refrigerant pipe assembly connected to the indoor unit; The flow adjustment weight corresponding to the indoor unit is determined based on the indoor temperature and the set temperature of the indoor unit. Based on the flow adjustment weight and the flow adjustment parameter, determine the actual adjusted flow corresponding to the flow adjustment weight; Based on the actual flow rate and the actual adjusted flow rate, the target refrigerant flow rate for each indoor unit is determined, and the refrigerant flow rate at one end of the heat dissipation refrigerant pipe group connected to each indoor unit is adjusted according to the target refrigerant flow rate.

5. The air conditioning refrigerant flow control method according to claim 1, characterized in that, The step of determining the total operating capacity of all indoor units based on the indoor temperature, the set temperature, and the fan parameters includes: Calculate the temperature difference value corresponding to each indoor unit based on the indoor temperature and the set temperature; Based on the temperature difference, air density, and fan parameters corresponding to the indoor unit, calculate the energy of work done by the target indoor unit. The total working power of all indoor units is determined based on the preset energy correction parameters corresponding to the target indoor unit and the working power of the indoor unit.

6. The air conditioning refrigerant flow control method according to claim 1, characterized in that, If the total operating capacity is less than the preset energy threshold corresponding to the outdoor unit, then after adjusting the refrigerant flow rate of the indoor unit according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group, the following steps are taken: Obtain the indoor temperature and set temperature corresponding to the indoor unit; Calculate the temperature difference between the indoor temperature and the set temperature, as well as the temperature change of the indoor temperature; Based on a preset mapping table corresponding to temperature difference, temperature change, and superheat, the target superheat corresponding to the temperature difference value and the temperature change value is determined. The refrigerant flow rate of the target indoor unit is adjusted according to the relationship between the target superheat and the preset superheat.

7. An air conditioning refrigerant flow control device, characterized in that, The device is applied to an air conditioning system, which includes an outdoor unit, a power module, and at least one indoor unit. A refrigerant pipe assembly for dissipating heat from the power module is connected between the outdoor unit and the indoor unit. The device includes: Monitoring module: used to monitor the indoor temperature, set temperature and fan parameters of the target indoor unit when it is detected that the target indoor unit is working; Determining module: used to determine the total workload of all the target indoor units based on the indoor temperature, the set temperature and the fan parameters; Adjustment module: If the total power output is less than the preset energy threshold corresponding to the outdoor unit, the refrigerant flow rate of the target indoor unit is adjusted according to the module temperature corresponding to the power module and the pipe group temperature of the heat dissipation refrigerant pipe group.

8. A computer-readable storage medium, characterized in that, It stores a computer program, which is loaded by a processor to execute the steps in the air conditioning refrigerant flow control method according to any one of claims 1 to 6.

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