Fluid distribution method and device for micro-channel heat exchange module

Abstract

The invention relates to the technical field of heat exchange modules, and provides a fluid distribution method and device for a micro-channel heat exchange module. The method comprises the steps that a working condition adjusting instruction of an air conditioner is responded, and whether first distribution pipes corresponding to all micro-channels of the micro-channel heat exchange module in an evaporator are filled with cooling liquid or not is judged; if any one of the first distribution pipes is not filled with the cooling liquid, all the first distribution pipes not filled with the cooling liquid are filled with the cooling liquid, and the evaporator is controlled to operate based on the working condition adjusting instruction; in the operation process of the evaporator, whether the first distribution pipes are filled with cooling liquid or not is judged in real time; and if any one of the first distribution pipes is not filled with the cooling liquid, the evaporator is controlled to stop running. According to the method, faults caused by uneven internal temperature of the air conditioner can be avoided, and the service life of the air conditioning system can be prolonged.

Description

Technical Field

[0001] The present application relates to the technical field of heat exchange modules, and in particular to a fluid distribution method and device for a microchannel heat exchange module. Background Art

[0002] With the increasing demand for energy conservation and environmental protection, the energy efficiency and operating performance of air conditioners have gradually become key issues in the development of the industry. Microchannel heat exchange modules have been widely used in the field of air conditioning due to their efficient heat exchange capacity and small size. Microchannel heat exchange modules use micro channels for fluid flow, thereby increasing the heat exchange surface area, improving heat exchange efficiency and reducing energy consumption.

[0003] However, current microchannel heat exchange modules generally have certain defects in fluid distribution, which is mainly manifested in the uneven distribution of fluid in each microchannel. If the fluid distribution in the microchannel is seriously uneven, some channels may dry up and fail to complete the heat exchange process, which may cause the local temperature of the microchannel heat exchange module to be too high, and then cause the local temperature inside the air conditioner to be too high, affecting the service life of the air conditioner. Summary of the invention

[0004] The present application provides a fluid distribution method and device for a microchannel heat exchange module to solve the problems raised by the above background technology.

[0005] In a first aspect, the present application provides a fluid distribution method for a microchannel heat exchange module, comprising: In response to the working condition adjustment instruction of the air conditioner, it is determined whether the first distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the evaporator are filled with coolant; wherein the air conditioner is provided with a coolant container, each of the first distribution pipes is connected to the coolant container through a liquid pipeline, and the liquid pipeline between each of the first distribution pipes and the coolant container is provided with a first valve with adjustable opening; If any of the first distributing tubes is not filled with coolant, respectively obtain the liquid filling capacity of each of the first distributing tubes; Determining whether the coolant capacity in the coolant container is greater than a first preset capacity; wherein the first preset capacity is greater than the total liquid capacity of each of the first distribution pipes; If yes, determining the first valve opening and the coolant filling time corresponding to each of the first distributing pipes based on the liquid filling capacity corresponding to each of the first distributing pipes; the coolant filling time corresponding to each of the first distributing pipes is consistent; For each of the first distribution pipes, injecting coolant into the first distribution pipe based on the opening of the first valve corresponding to the first distribution pipe and the coolant filling time; Controlling the operation of the evaporator based on the operating condition adjustment instruction, and determining in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator; If any of the first distribution pipes is not filled with coolant, the evaporator is controlled to stop operating.

[0006] In a possible implementation, determining the first valve opening and coolant filling time corresponding to each of the first distribution pipes based on the liquid filling capacity corresponding to each of the first distribution pipes includes: determining a maximum liquid fillable capacity among the liquid fillable capacities; Determine the ratio between the maximum liquid filling capacity and the maximum liquid flow rate corresponding to the first valve as the coolant filling time; wherein the maximum liquid flow rate is the liquid flow rate corresponding to the maximum first valve opening; For each of the first distribution pipes, the liquid filling capacity corresponding to the distribution pipe and the coolant filling time are determined as the liquid flow rate corresponding to the first distribution pipe, and the first valve opening corresponding to the first distribution pipe is determined based on the liquid flow rate.

[0007] In a possible implementation, each of the first distribution pipes and the corresponding microchannel is provided with a second valve, the first valve and the second valve are valves of the same model, and the operation of the evaporator is controlled based on the operating condition adjustment instruction, including: Get the indoor ambient temperature; Calculating the temperature difference between the indoor ambient temperature and the target temperature corresponding to the operating condition adjustment instruction; determining the second valve opening of each second valve based on the temperature difference; the second valve openings corresponding to each second valve are consistent; The operation of the evaporator is controlled based on the second valve opening corresponding to each of the second valves.

[0008] In a possible implementation, the method further includes: During the operation of the evaporator, it is determined in real time whether the second distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the condenser are filled with compressed gas; When each of the second distribution pipes is filled with compressed gas, controlling the condenser to operate; During the operation of the condenser, determining in real time whether each of the second distribution pipes is filled with compressed gas; If any of the second distribution pipes is not filled with compressed gas, the condenser is controlled to stop operating.

[0009] In a possible implementation, after determining in real time whether the second distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the condenser are all filled with compressed gas, the method further includes: If any of the second distribution pipes is not filled with compressed gas, fill the second distribution pipes that are not filled with compressed gas with compressed gas, and control the operation of the condenser; During the operation of the condenser, determining in real time whether each of the second distribution pipes is filled with compressed gas; If any of the second distribution pipes is not filled with compressed gas, the condenser is controlled to stop operating.

[0010] In a possible implementation, the air conditioner is provided with a compressed gas container, each of the second distribution pipes is connected to the compressed gas through a gas pipeline, and the gas pipeline between each of the second distribution pipes and the compressed gas container is provided with a third valve, and the second distribution pipes that are not filled with compressed gas are filled with compressed gas, including: Determining whether the capacity of the compressed gas in the compressed gas container is greater than a second preset capacity; wherein the second preset capacity is greater than the total capacity of the gas in each of the second distribution pipes; If yes, open each of the third valves; If not, when the capacity of the compressed gas in the compressed gas container is greater than the second preset capacity, each of the third valves is opened.

[0011] In a second aspect, the present application provides a fluid distribution device for a microchannel heat exchange module, comprising: a first judgment module, for responding to the working condition adjustment instruction of the air conditioner, and judging whether the first distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the evaporator are all filled with coolant; wherein the air conditioner is provided with a coolant container, each of the first distribution pipes is connected to the coolant container through a liquid pipeline, and the liquid pipeline between each of the first distribution pipes and the coolant container is provided with a first valve with adjustable opening; an acquisition module, configured to respectively acquire the liquid filling capacity of each of the first distribution pipes if any of the first distribution pipes is not filled with coolant; A second judgment module is used to judge whether the coolant capacity in the coolant container is greater than a first preset capacity; wherein the first preset capacity is greater than the total liquid capacity of each of the first distribution pipes; a determination module, configured to determine, if the coolant capacity in the coolant container is greater than a first preset capacity, a first valve opening and a coolant filling time corresponding to each of the first distribution pipes based on the liquid filling capacity corresponding to each of the first distribution pipes; and the coolant filling time corresponding to each of the first distribution pipes is consistent; a first control module, configured to inject coolant into each of the first distribution pipes based on a first valve opening corresponding to the first distribution pipe and a coolant filling time; a second control module, configured to control the operation of the evaporator based on the operating condition adjustment instruction, and to determine in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator; The third control module is used to control the evaporator to stop operating if any of the first distribution pipes is not filled with coolant.

[0012] The present application provides a fluid distribution method and device for a microchannel heat exchange module, the method comprising: responding to an operating condition adjustment instruction of an air conditioner, determining whether first distribution pipes corresponding to each microchannel of the microchannel heat exchange module in an evaporator are all filled with coolant; if any of the first distribution pipes is not filled with coolant, filling the first distribution pipes that are not filled with coolant with coolant, and controlling the operation of the evaporator based on the operating condition adjustment instruction; during the operation of the evaporator, determining in real time whether each of the first distribution pipes is filled with coolant; if any of the first distribution pipes is not filled with coolant, controlling the evaporator to stop operating. The method, on the one hand, when each of the first distribution pipes is filled with coolant, opens the first valve between each of the first distribution pipes and the corresponding microchannel based on the operating condition adjustment instruction to control the operation of the evaporator, which helps to ensure that the coolant in each microchannel is evenly distributed during the operation of the evaporator, and ensures that each microchannel can fully exchange heat, optimizes the cooling effect, and avoids the occurrence of local overheating, thereby effectively avoiding failures caused by uneven temperature inside the air conditioner, and helps to extend the service life of the air-conditioning system. On the other hand, by judging in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator, and controlling the evaporator to stop operating if any of the first distribution pipes is not filled with coolant, it helps to avoid equipment damage caused by overheating and ensure the high reliability and stability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0014] Figure 1 A schematic flow chart of a fluid distribution method for a microchannel heat exchange module provided in an embodiment of the present application; Figure 2 A schematic block diagram of the structure of a fluid distribution device of a microchannel heat exchange module provided in an embodiment of the present application; Figure 3 A schematic block diagram of the structure of a terminal device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] The flowcharts shown in the accompanying drawings are only examples and do not necessarily include all the contents and operations / steps, nor must they be executed in the order described. For example, some operations / steps may also be decomposed, combined or partially merged, so the actual execution order may change based on actual conditions.

[0017] It should also be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0018] It should be further understood that the term “and / or” used in the specification and appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0019] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0020] See also Figure 1 , Figure 1 A schematic flow chart of a fluid distribution method for a microchannel heat exchange module provided in an embodiment of the present application is shown in FIG. Figure 1 As shown, the fluid distribution method of the microchannel heat exchange module provided in the embodiment of the present application includes steps S1 to S4.

[0021] Step S1, responding to the operating condition adjustment instruction of the air conditioner, determining whether the first distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the evaporator are all filled with coolant.

[0022] Step S2: If any of the first distribution pipes is not filled with coolant, fill the first distribution pipes that are not filled with coolant with coolant, and control the operation of the evaporator based on the operating condition adjustment instruction.

[0023] Step S3: During the operation of the evaporator, it is determined in real time whether each of the first distribution pipes is filled with coolant.

[0024] Step S4: If any of the first distribution pipes is not filled with coolant, the evaporator is controlled to stop running.

[0025] It should be noted that the method provided in this embodiment is used for the cooling process of an air conditioner. The method provided in this embodiment can be implemented through a server or through a fluid distribution device of a microchannel heat exchange module. The following description will be made using a server as an example.

[0026] In this embodiment, it specifically includes: In the above step S1, when the server receives the operating condition adjustment instruction of the air conditioner, the liquid level height in each first distribution pipe is obtained through the liquid level sensor arranged in the first distribution pipe corresponding to each microchannel of the microchannel heat exchange module in the evaporator, and based on the liquid level height in each first distribution pipe, it is determined whether the first distribution pipes corresponding to each microchannel are filled with coolant.

[0027] In the above step S2, if the server determines that any of the first distribution pipes is not filled with coolant, the coolant is filled into each first distribution pipe that is not filled with coolant, and after the coolant is filled into each first distribution pipe that is not filled with coolant, the first valve between each first distribution pipe and its corresponding microchannel is opened based on the operating condition adjustment instruction to control the operation of the evaporator.

[0028] In the above step S3, during the operation of the evaporator, the liquid level in each of the first distribution pipes is obtained in real time through a liquid level sensor provided in each of the first distribution pipes, and it is determined whether each of the first distribution pipes is filled with coolant.

[0029] In the above step S4, if the server determines that any of the first distribution pipes is not filled with coolant, the first valve between each of the first distribution pipes and its corresponding microchannel is closed to control the evaporator to stop operating. It should be noted that after the evaporator is controlled to stop operating, after the first distribution pipes that are not filled with coolant are filled with coolant again, the first valve between each of the first distribution pipes and its corresponding microchannel is opened based on the operating condition adjustment instruction to control the operation of the evaporator.

[0030] The method provided in this embodiment, on the one hand, when each of the first distribution pipes is filled with coolant, the first valve between each of the first distribution pipes and the corresponding microchannel is opened based on the operating condition adjustment instruction to control the operation of the evaporator, which helps to ensure that the coolant in each microchannel is evenly distributed during the operation of the evaporator, and ensure that each microchannel can fully carry out heat exchange, thereby optimizing the cooling effect and avoiding the occurrence of local overheating, thereby effectively avoiding failures caused by uneven temperature inside the air conditioner, and helping to extend the service life of the air-conditioning system. On the other hand, by judging in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator, and controlling the evaporator to stop operating if any of the first distribution pipes is not filled with coolant, it helps to avoid equipment damage caused by overheating and ensure the high reliability and stability of the system.

[0031] In some embodiments, the air conditioner is provided with a coolant container, each of the first distribution pipes is connected to the coolant container through a liquid pipeline, and the liquid pipeline between each of the first distribution pipes and the coolant container is provided with a first valve with an adjustable opening, and the step of filling the first distribution pipes that are not filled with coolant with coolant includes the following steps: Respectively obtain the liquid filling capacity of each first distribution pipe; specifically, for each first distribution pipe, determine the coolant capacity in the first distribution pipe through a liquid level sensor in the first distribution pipe and the bottom area of ​​the first distribution pipe, and use the difference between the total liquid capacity of the first distribution pipe and the coolant capacity as the liquid filling capacity of the first distribution pipe; Determining whether the coolant capacity in the coolant container is greater than a first preset capacity; wherein the first preset capacity is greater than the total liquid capacity of each of the first distribution pipes; If yes, determining the first valve opening and the coolant filling time corresponding to each of the first distributing pipes based on the liquid filling capacity corresponding to each of the first distributing pipes; the coolant filling time corresponding to each of the first distributing pipes is consistent; For each of the first distribution pipes, coolant is injected into the first distribution pipe based on the first valve opening corresponding to the first distribution pipe and the coolant filling time. Specifically, each of the first valves is opened simultaneously according to the valve opening corresponding to each of the first valves, and each of the first valves is closed after the coolant filling time.

[0032] Wherein, the determining of the first valve opening and the coolant filling time corresponding to each of the first distribution pipes based on the liquid filling capacity corresponding to each of the first distribution pipes comprises the following steps: determining a maximum liquid fillable capacity among the liquid fillable capacities; Determine the ratio between the maximum liquid filling capacity and the maximum liquid flow rate corresponding to the first valve as the coolant filling time; wherein the maximum liquid flow rate is the liquid flow rate corresponding to the maximum first valve opening; For each of the first distribution pipes, the liquid filling capacity corresponding to the distribution pipe and the cooling liquid filling time are determined as the liquid flow rate corresponding to the first distribution pipe, and the first valve opening corresponding to the first distribution pipe is determined based on the liquid flow rate. Specifically, the first valve opening corresponding to the first distribution pipe is determined by a preset functional relationship between the liquid flow rate and the valve opening.

[0033] The method provided in this embodiment can simultaneously fill the first distribution pipes with coolant in the shortest possible time.

[0034] In some embodiments, each of the first distribution pipes and its corresponding microchannel is provided with a second valve, the first valve and the second valve are valves of the same model, and the operation of the evaporator is controlled based on the operating condition adjustment instruction, including the following steps: Acquire the indoor ambient temperature; specifically, acquire the indoor ambient temperature through an indoor temperature sensor; Calculating the temperature difference between the indoor ambient temperature and the target temperature corresponding to the operating condition adjustment instruction; Determine the second valve opening of each second valve based on the temperature difference; the second valve opening corresponding to each second valve is consistent; specifically, determine the second valve opening by a mapping function between a preset temperature difference and the valve opening; The operation of the evaporator is controlled based on the second valve opening corresponding to each second valve; specifically, the first valve and the second valve are opened based on the second valve opening to control the operation of the evaporator.

[0035] The method provided in this embodiment can ensure that the coolant in each of the microchannels is evenly distributed when there is coolant in the coolant container, which helps to prevent equipment failure due to local overheating.

[0036] In some embodiments, the method further comprises the following steps: During the operation of the evaporator, it is determined in real time whether the second distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the condenser are filled with compressed gas; When each of the second distribution pipes is filled with compressed gas, the condenser is controlled to operate; specifically, each of the second distribution pipes is provided with a fourth valve in the microchannel connected thereto, and when each of the second distribution pipes is filled with compressed gas, each of the fourth valves is opened to control the operation of the condenser; During the operation of the condenser, determining in real time whether each of the second distribution pipes is filled with compressed gas; If any of the second distribution pipes is not filled with compressed gas, the condenser is controlled to stop operating; specifically, each of the fourth valves is closed to control the condenser to stop operating.

[0037] Wherein, after the real-time determination of whether the second distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the condenser are all filled with compressed gas, the method further comprises the following steps: If any of the second distribution pipes is not filled with compressed gas, fill the second distribution pipes that are not filled with compressed gas with compressed gas, and control the operation of the condenser; During the operation of the condenser, determining in real time whether each of the second distribution pipes is filled with compressed gas; If any of the second distribution pipes is not filled with compressed gas, the condenser is controlled to stop operating; specifically, each of the fourth valves is closed to control the condenser to stop operating.

[0038] Wherein, the air conditioner is provided with a compressed gas container, each of the second distribution pipes is connected to the compressed gas through a gas pipeline, and the gas pipeline between each of the second distribution pipes and the compressed gas container is provided with a third valve, and the second distribution pipes that are not filled with compressed gas are filled with compressed gas, including: Determining whether the capacity of the compressed gas in the compressed gas container is greater than a second preset capacity; wherein the second preset capacity is greater than the total capacity of the gas in each of the second distribution pipes; If yes, open each of the third valves; If not, when the capacity of the compressed gas in the compressed gas container is greater than the second preset capacity, each of the third valves is opened.

[0039] The method provided in this embodiment can prevent equipment failure caused by uneven temperature distribution of the microchannel heat exchange module in the condenser.

[0040] See also Figure 2 , Figure 2 A schematic block diagram of the structure of a fluid distribution device 100 of a microchannel heat exchange module provided in an embodiment of the present application, as shown in FIG. Figure 2 As shown, the fluid distribution device 100 of the microchannel heat exchange module provided in the embodiment of the present application includes: The first judgment module 110 is used to respond to the operating condition adjustment instruction of the air conditioner to determine whether the first distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the evaporator are filled with coolant; wherein the air conditioner is provided with a coolant container, and each of the first distribution pipes is connected to the coolant container through a liquid pipeline, and the liquid pipeline between each of the first distribution pipes and the coolant container is provided with a first valve with adjustable opening.

[0041] The acquisition module 120 is used to respectively acquire the liquid filling capacity of each of the first distribution tubes if any of the first distribution tubes is not filled with coolant.

[0042] The second judgment module 130 is used to judge whether the coolant capacity in the coolant container is greater than a first preset capacity; wherein the first preset capacity is greater than the total liquid capacity of each of the first distribution pipes.

[0043] The determination module 140 is used to determine the first valve opening and coolant filling time corresponding to each of the first distribution pipes based on the liquid filling capacity corresponding to each of the first distribution pipes if the coolant capacity in the coolant container is greater than the first preset capacity; the coolant filling time corresponding to each of the first distribution pipes is consistent.

[0044] The first control module 150 is configured to inject coolant into each of the first distribution pipes based on a first valve opening corresponding to the first distribution pipe and a coolant filling time.

[0045] The second control module 160 is used to control the operation of the evaporator based on the operating condition adjustment instruction, and to determine in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator.

[0046] The third control module 170 is configured to control the evaporator to stop operating if any of the first distribution pipes is not filled with coolant.

[0047] It should be noted that technicians in the relevant technical field can clearly understand that for the convenience and simplicity of description, the specific working process of the above-described device and each module can refer to the process in the aforementioned fluid distribution method embodiment of the microchannel heat exchange module, and will not be repeated here.

[0048] The fluid distribution device 100 of the microchannel heat exchange module provided in the above embodiment can be implemented in the form of a computer program. The computer program can be used in Figure 3 The system is run on the terminal device 200 shown.

[0049] See also Figure 3 , Figure 3The present invention provides a schematic block diagram of the structure of a terminal device 200 according to an embodiment of the present application. The terminal device 200 includes a processor 201 and a memory 202. The processor 201 and the memory 202 are connected via a device bus 203, wherein the memory 202 may include a non-volatile storage medium and an internal memory.

[0050] The non-volatile storage medium can store a computer program. The computer program includes program instructions, and when the program instructions are executed by the processor 201, the processor 201 can execute any of the above-mentioned fluid distribution methods of the microchannel heat exchange module.

[0051] The processor 201 is used to provide computing and control capabilities to support the operation of the entire terminal device 200.

[0052] The internal memory provides an environment for the operation of the computer program in the non-volatile storage medium. When the computer program is executed by the processor 201, the processor 201 can execute any of the above-mentioned fluid distribution methods for the microchannel heat exchange module.

[0053] Those skilled in the art will understand that Figure 3 The structure shown in the figure is only a block diagram of a partial structure related to the scheme of the present application, and does not constitute a limitation on the terminal device 200 involved in the scheme of the present application. The specific terminal device 200 may include more or fewer components than shown in the figure, or combine certain components, or have a different component arrangement.

[0054] It should be understood that the processor 201 may be a central processing unit (CPU), and the processor 201 may also be other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. Among them, the general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.

[0055] In some embodiments, the processor 201 is used to run a computer program stored in the memory to implement the following steps: In response to the working condition adjustment instruction of the air conditioner, it is determined whether the first distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the evaporator are filled with coolant; wherein the air conditioner is provided with a coolant container, each of the first distribution pipes is connected to the coolant container through a liquid pipeline, and the liquid pipeline between each of the first distribution pipes and the coolant container is provided with a first valve with adjustable opening; If any of the first distributing tubes is not filled with coolant, respectively obtain the liquid filling capacity of each of the first distributing tubes; Determining whether the coolant capacity in the coolant container is greater than a first preset capacity; wherein the first preset capacity is greater than the total liquid capacity of each of the first distribution pipes; If yes, determining the first valve opening and the coolant filling time corresponding to each of the first distributing pipes based on the liquid filling capacity corresponding to each of the first distributing pipes; the coolant filling time corresponding to each of the first distributing pipes is consistent; For each of the first distribution pipes, injecting coolant into the first distribution pipe based on the opening of the first valve corresponding to the first distribution pipe and the coolant filling time; Controlling the operation of the evaporator based on the operating condition adjustment instruction, and determining in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator; If any of the first distribution pipes is not filled with coolant, the evaporator is controlled to stop operating.

[0056] It should be noted that those skilled in the art can clearly understand that, for the convenience and simplicity of description, the specific working process of the terminal device 200 described above can refer to the process of the fluid distribution method of the aforementioned microchannel heat exchange module, and will not be repeated here.

[0057] An embodiment of the present application also provides a computer-readable storage medium, which stores a computer program. When the computer program is executed by one or more processors, the one or more processors implement the fluid distribution method of the microchannel heat exchange module provided in the embodiment of the present application.

[0058] The computer-readable storage medium may be an internal storage unit of the terminal device 200 in the aforementioned embodiment, such as a hard disk or memory of the terminal device 200. The computer-readable storage medium may also be an external storage device of the terminal device 200, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc. equipped with the terminal device 200.

[0059] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A fluid distribution method for a microchannel heat exchange module, characterized in that: include: In response to the working condition adjustment instruction of the air conditioner, it is determined whether the first distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the evaporator are filled with coolant; wherein the air conditioner is provided with a coolant container, each of the first distribution pipes is connected to the coolant container through a liquid pipeline, and the liquid pipeline between each of the first distribution pipes and the coolant container is provided with a first valve with adjustable opening; If any of the first distributing tubes is not filled with coolant, respectively obtain the liquid filling capacity of each of the first distributing tubes; Determining whether the coolant capacity in the coolant container is greater than a first preset capacity; wherein the first preset capacity is greater than the total liquid capacity of each of the first distribution pipes; If yes, determining the first valve opening and the coolant filling time corresponding to each of the first distributing pipes based on the liquid filling capacity corresponding to each of the first distributing pipes; the coolant filling time corresponding to each of the first distributing pipes is consistent; For each of the first distribution pipes, injecting coolant into the first distribution pipe based on the opening of the first valve corresponding to the first distribution pipe and the coolant filling time; Controlling the operation of the evaporator based on the operating condition adjustment instruction, and determining in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator; If any of the first distribution pipes is not filled with coolant, the evaporator is controlled to stop operating.

2. The fluid distribution method of the microchannel heat exchange module according to claim 1, characterized in that: Determining the first valve opening and coolant filling time corresponding to each of the first distribution pipes based on the liquid filling capacity corresponding to each of the first distribution pipes includes: determining a maximum liquid fillable capacity among the liquid fillable capacities; Determine the ratio between the maximum liquid filling capacity and the maximum liquid flow rate corresponding to the first valve as the coolant filling time; wherein the maximum liquid flow rate is the liquid flow rate corresponding to the maximum first valve opening; For each of the first distribution pipes, the liquid filling capacity corresponding to the distribution pipe and the coolant filling time are determined as the liquid flow rate corresponding to the first distribution pipe, and the first valve opening corresponding to the first distribution pipe is determined based on the liquid flow rate.

3. The fluid distribution method of the microchannel heat exchange module according to claim 1, characterized in that: Each of the first distribution pipes and the corresponding microchannel is provided with a second valve, the first valve and the second valve are valves of the same model, and the operation of the evaporator is controlled based on the operating condition adjustment instruction, including: Get the indoor ambient temperature; Calculating the temperature difference between the indoor ambient temperature and the target temperature corresponding to the operating condition adjustment instruction; determining the second valve opening of each second valve based on the temperature difference; the second valve openings corresponding to each second valve are consistent; The operation of the evaporator is controlled based on the second valve opening corresponding to each of the second valves.

4. The fluid distribution method of the microchannel heat exchange module according to claim 1, characterized in that: The method further comprises: During the operation of the evaporator, it is determined in real time whether the second distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the condenser are filled with compressed gas; When each of the second distribution pipes is filled with compressed gas, controlling the condenser to operate; During the operation of the condenser, determining in real time whether each of the second distribution pipes is filled with compressed gas; If any of the second distribution pipes is not filled with compressed gas, the condenser is controlled to stop operating.

5. The fluid distribution method of the microchannel heat exchange module according to claim 4, characterized in that: After determining in real time whether the second distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the condenser are all filled with compressed gas, the method further includes: If any of the second distribution pipes is not filled with compressed gas, fill the second distribution pipes that are not filled with compressed gas with compressed gas, and control the operation of the condenser; During the operation of the condenser, determining in real time whether each of the second distribution pipes is filled with compressed gas; If any of the second distribution pipes is not filled with compressed gas, the condenser is controlled to stop operating.

6. The fluid distribution method of the microchannel heat exchange module according to claim 5, characterized in that: The air conditioner is provided with a compressed gas container, each of the second distribution pipes is connected to the compressed gas through a gas pipeline, and the gas pipeline between each of the second distribution pipes and the compressed gas container is provided with a third valve, and the second distribution pipes that are not filled with compressed gas are filled with compressed gas, including: Determining whether the capacity of the compressed gas in the compressed gas container is greater than a second preset capacity; wherein the second preset capacity is greater than the total capacity of the gas in each of the second distribution pipes; If yes, open each of the third valves; If not, when the capacity of the compressed gas in the compressed gas container is greater than the second preset capacity, each of the third valves is opened.

7. A fluid distribution device for a microchannel heat exchange module, characterized in that: include: a first judgment module, for responding to the working condition adjustment instruction of the air conditioner, and judging whether the first distribution pipes corresponding to the microchannels of the microchannel heat exchange module in the evaporator are all filled with coolant; wherein the air conditioner is provided with a coolant container, each of the first distribution pipes is connected to the coolant container through a liquid pipeline, and the liquid pipeline between each of the first distribution pipes and the coolant container is provided with a first valve with adjustable opening; an acquisition module, configured to respectively acquire the liquid filling capacity of each of the first distribution pipes if any of the first distribution pipes is not filled with coolant; A second judgment module is used to judge whether the coolant capacity in the coolant container is greater than a first preset capacity; wherein the first preset capacity is greater than the total liquid capacity of each of the first distribution pipes; a determination module, configured to determine, if the coolant capacity in the coolant container is greater than a first preset capacity, a first valve opening and a coolant filling time corresponding to each of the first distribution pipes based on the liquid filling capacity corresponding to each of the first distribution pipes; and the coolant filling time corresponding to each of the first distribution pipes is consistent; a first control module, configured to inject coolant into each of the first distribution pipes based on a first valve opening corresponding to the first distribution pipe and a coolant filling time; a second control module, configured to control the operation of the evaporator based on the operating condition adjustment instruction, and to determine in real time whether each of the first distribution pipes is filled with coolant during the operation of the evaporator; The third control module is used to control the evaporator to stop operating if any of the first distribution pipes is not filled with coolant.

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