A method, device, equipment, storage medium and system for determining muffler parameters

Abstract

The present invention provides a method, device, equipment, storage medium and system for determining the parameters of a muffler. By obtaining the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant in the compressor pipeline. Then, based on the temperature value and pressure value, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant and the sound propagation speed of the liquid refrigerant are determined. Based on the proportion of the gaseous refrigerant, the proportion of the liquid refrigerant, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant and the sound propagation speed of the liquid refrigerant, the sound propagation speed of the compressor pipeline is determined. Based on the proportion of the liquid refrigerant, a correction factor for the sound propagation speed of the compressor pipeline is determined, and the sound propagation speed of the compressor pipeline is corrected based on the correction factor. Based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude, the length of the muffler is determined. The production efficiency of the muffler is improved, and the development cost of the muffler is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of product testing, and particularly to a method, device, equipment, storage medium and system for determining the parameters of a muffler. Background Art

[0002] Due to the periodic suction and exhaust of the air-conditioning compressor, the high-temperature and high-pressure gas discharged from the compressor exhaust port will cause pressure pulses in the pipeline, which is the main noise source of the air conditioner. Adding a muffler to the pipeline can effectively reduce the noise. Due to the change of the compressor pipeline system and the different states of the refrigerant under various operating conditions, a large number of experimental verifications are required in the process of matching the muffler for the air conditioner, which not only has low efficiency but also increases the development cost of the muffler. Summary of the Invention

[0003] In order to solve the problems of low efficiency and high cost existing in the prior art, the present invention provides a method, device, equipment, storage medium and system for determining the parameters of a muffler, which have the characteristics of high efficiency and lower cost.

[0004] A method for determining the parameters of a muffler according to a specific embodiment of the present invention includes:

[0005] Obtaining the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant of the refrigerant in the compressor pipeline;

[0006] Determining the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant and the sound propagation speed of the liquid refrigerant based on the temperature value and the pressure value;

[0007] Determining the sound propagation speed of the compressor pipeline based on the proportion of the gaseous refrigerant, the proportion of the liquid refrigerant, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant and the sound propagation speed of the liquid refrigerant;

[0008] Determining a correction factor for the sound propagation speed of the compressor pipeline based on the proportion of the liquid refrigerant, and correcting the sound propagation speed of the compressor pipeline based on the correction factor;

[0009] Determining the length of the muffler based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude.

[0010] Further, the obtaining the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant of the refrigerant in the compressor pipeline includes:

[0011] Obtaining the temperature value, the pressure value, the proportion of the gaseous refrigerant and the proportion of the liquid refrigerant based on the gas-liquid two-phase sensor on the compressor pipeline.

[0012] Further, determining the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant based on the temperature value and the pressure value includes:

[0013] Using the temperature value and the pressure value as key values, searching for corresponding tabular data in a database, and obtaining the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant from the tabular data.

[0014] Further, determining the sound propagation speed of the compressor pipeline based on the proportion of the gaseous refrigerant, the proportion of the liquid refrigerant, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant includes:

[0015] Based on

[0016]

[0017] obtaining the sound propagation speed of the compressor pipeline, where c sep is the sound propagation speed of the compressor pipeline, is the proportion of the gaseous refrigerant, is the proportion of the liquid refrigerant, ρ g is the density of the liquid refrigerant, ρ l is the density of the liquid refrigerant, c g is the sound propagation speed of the gaseous refrigerant, c l is the sound propagation speed of the liquid refrigerant.

[0018] Further, determining the correction factor for the sound propagation speed of the compressor pipeline based on the proportion of the liquid refrigerant and correcting the sound propagation speed of the compressor pipeline based on the correction factor includes:

[0019]

[0020] where c seq is the sound propagation speed of the corrected compressor pipeline, δ is the correction factor, when , δ = 0; when , δ = 5; when , δ = 10; when , δ = 20; when , δ = 50.

[0021] Further, determining the length of the muffler based on the sound propagation speed of the corrected compressor pipeline and the noise frequency of the maximum amplitude includes: Based on

[0022]

[0023] Obtain the length of the muffler, where l is the length of the muffler, and f max is the noise frequency of the maximum amplitude, and n is an integer not less than 0.

[0024] A muffler parameter determination device provided according to a specific embodiment of the present invention includes:

[0025] A parameter acquisition module, configured to acquire the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant in the compressor pipeline;

[0026] A parameter lookup module, configured to determine the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant based on the temperature value and the pressure value;

[0027] A speed determination module, configured to determine the sound propagation speed of the compressor pipeline based on the proportion of the gaseous refrigerant, the proportion of the liquid refrigerant, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant;

[0028] A speed correction module, configured to determine a correction factor for the sound propagation speed of the compressor pipeline based on the proportion of the liquid refrigerant, and correct the sound propagation speed of the compressor pipeline based on the correction factor; and

[0029] A length determination module, configured to determine the length of the muffler based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude.

[0030] A device provided according to a specific embodiment of the present invention includes: a memory and a processor;

[0031] The memory is configured to store a program;

[0032] The processor is configured to execute the program to implement each step of the muffler parameter determination method described above.

[0033] A storage medium provided according to a specific embodiment of the present invention has a computer program stored thereon. When the computer program is executed by a processor, each step of the muffler parameter determination method described above is implemented.

[0034] A muffler parameter determination system provided according to the specific embodiments of the present invention includes the above-described device, and further includes: a gas-liquid two-phase sensor and a communication module connected to the processor. The gas-liquid two-phase sensor is used to obtain the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant in the compressor pipeline. The communication module is used to send the length of the muffler to the user terminal.

[0035] The muffler parameter determination method provided by the present invention can obtain the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant in the compressor pipeline. Then, based on the temperature value and pressure value, determine the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant. Based on the proportion of gaseous refrigerant, the proportion of liquid refrigerant, the density of gaseous refrigerant, the density of liquid refrigerant, the sound propagation speed of gaseous refrigerant, and the sound propagation speed of liquid refrigerant, determine the sound propagation speed of the compressor pipeline. Based on the proportion of liquid refrigerant, determine the correction factor of the sound propagation speed of the compressor pipeline, and correct the sound propagation speed of the compressor pipeline based on the correction factor. Based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude, determine the length of the muffler. Fabricate the muffler according to the obtained length of the muffler, while improving the production efficiency of the muffler, effectively reducing the development cost of the muffler. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the provided drawings.

[0037] Figure 1 is a flowchart of a muffler parameter determination method provided according to an exemplary embodiment;

[0038] Figure 2 is a structural diagram of a muffler parameter determination device provided according to an exemplary embodiment;

[0039] Figure 3 is a structural diagram of a device provided according to an exemplary embodiment;

[0040] Figure 4 is a structural diagram of a muffler parameter determination system provided according to an exemplary embodiment. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0042] Referring to Figure 1 As shown, an embodiment of the present invention provides a method for determining muffler parameters, and the method may include the following steps:

[0043] 101. Obtain the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant in the compressor pipeline.

[0044] Referring to Figure 4 As shown in the structural diagram of the air-conditioning compressor pipeline system, the refrigeration and heating pipeline systems mainly consist of a compressor 1, a liquid receiver 2, a condenser 3, a four-way valve 4, an evaporator 5, an exhaust pipeline 6, and a suction pipeline 7. The temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant under refrigeration conditions can be obtained by setting a gas-liquid two-phase sensor 8 in the exhaust pipeline 6. The temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant under heating conditions can be obtained by setting a gas-liquid two-phase sensor 8 in the suction pipeline 7. Specifically, for which pipeline the muffler needs to be manufactured, the corresponding gas-liquid two-phase sensor can be used to collect the corresponding data.

[0045] 102. Determine the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant based on the temperature value and the pressure value.

[0046] According to the obtained temperature value and pressure value, a search can be made in a pre-set table. This table can usually adopt a thermodynamic calculation physical property parameter table, in which there are corresponding density and sound propagation speed under the temperature and pressure. By making a corresponding search according to the measured temperature value and pressure value, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant can be obtained.

[0047] 103. Determine the sound propagation speed of the compressor pipeline based on the proportion of the gaseous refrigerant, the proportion of the liquid refrigerant, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant.

[0048] According to the calculation formula of the sound propagation speed in the gas-liquid two-phase state:

[0049]

[0050] The sound propagation speed of the compressor pipeline can be obtained, where csep is the sound propagation speed of the compressor pipeline is the proportion of gaseous refrigerant is the proportion of liquid refrigerant, ρ g is the density of the liquid refrigerant, ρ l is the density of the liquid refrigerant, c g is the sound propagation speed of the gaseous refrigerant, c l is the sound propagation speed of the liquid refrigerant

[0051] 104. Determine the correction factor for the sound propagation speed of the compressor pipeline based on the proportion of the liquid refrigerant, and correct the sound propagation speed of the compressor pipeline based on the correction factor

[0052] Whether it is the exhaust pipeline or the suction pipeline, the proportion of the liquid refrigerant has a great influence on the sound propagation speed in the gas-liquid two-phase state of the pipeline. Therefore, the sound propagation speed in the gas-liquid two-phase state is corrected according to the proportion of the liquid refrigerant. Specifically, when δ = 0; when δ = 5; when δ = 10; when δ = 20; when δ = 50. δ is the correction factor, and the corrected sound propagation speed is

[0053]

[0054] where c seq is the corrected sound propagation speed of the compressor pipeline

[0055] It can be understood that the proportion range of the liquid refrigerant and the corresponding values of the correction factor may vary depending on the different air-conditioning systems applied. Those skilled in the art can adjust according to the actual application needs, and the present invention does not limit this here

[0056] 105. Determine the length of the muffler based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude

[0057] Specifically, based on

[0058]

[0059] the length of the muffler is obtained, where l is the length of the muffler, f max is the noise frequency of the maximum amplitude, and n is an integer not less than 0

[0060] A summary table of muffler specification types can also be set here to determine the length based on the noise frequency. After the length is determined, the muffler can be manufactured, thereby effectively reducing the number of experimental verifications of the muffler and the production of samples, reducing the development cost, and improving the matching success rate of the muffler.

[0061] As an implementation manner of the above embodiment, determining the density of gaseous refrigerant, the density of liquid refrigerant, the sound propagation speed of gaseous refrigerant, and the sound propagation speed of liquid refrigerant based on the temperature value and the pressure value may include:

[0062] Taking the temperature value and the pressure value as key values, searching for table data corresponding to the key values in the database, and obtaining the density of gaseous refrigerant, the density of liquid refrigerant, the sound propagation speed of gaseous refrigerant, and the sound propagation speed of liquid refrigerant from the table data. Of course, those skilled in the art can also use other searching methods to search for data, and the present invention will not elaborate here.

[0063] Based on the same design concept, referring to Figure 2 The embodiment of the present invention further provides a muffler parameter determination device. When the device operates, it can implement each step of the above muffler parameter determination method. The device may include:

[0064] A parameter acquisition module 201, configured to acquire the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant in the compressor pipeline.

[0065] A parameter search module 202, configured to determine the density of gaseous refrigerant, the density of liquid refrigerant, the sound propagation speed of gaseous refrigerant, and the sound propagation speed of liquid refrigerant based on the temperature value and the pressure value.

[0066] A speed determination module 203, configured to determine the sound propagation speed of the compressor pipeline based on the proportion of gaseous refrigerant, the proportion of liquid refrigerant, the density of gaseous refrigerant, the density of liquid refrigerant, the sound propagation speed of gaseous refrigerant, and the sound propagation speed of liquid refrigerant.

[0067] A speed correction module 204, configured to determine a correction factor for the sound propagation speed of the compressor pipeline based on the proportion of liquid refrigerant, and correct the sound propagation speed of the compressor pipeline based on the correction factor. And

[0068] A length determination module 205, configured to determine the length of the muffler based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude.

[0069] This device has the same beneficial effects as the above muffler parameter determination method. The specific implementation manner can refer to the embodiment of the above muffler parameter determination method, and the present invention will not elaborate here.

[0070] Referring to Figure 3As shown in the figure, an embodiment of the present invention further provides a device, which may include: a memory 301 and a processor 302.

[0071] The memory 301 is used to store programs.

[0072] The processor 302 is used to execute the program to implement each step of the muffler parameter determination method as described above.

[0073] An embodiment of the present invention further provides a storage medium, on which a computer program is stored. When the computer program is executed by a processor, each step of the muffler parameter determination method as described in the above embodiment is implemented.

[0074] Referring to Figure 4 As shown in the figure, an embodiment of the present invention further provides a muffler parameter determination system, including the device as described in the above embodiment, and further including: a gas-liquid two-phase sensor 8 and a communication module 11 connected to the processor 302. The gas-liquid two-phase sensor 8 is used to obtain the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant in the compressor pipeline. The communication module 11 is used to send the length of the muffler to the user terminal.

[0075] Specifically, the communication module 11 may adopt a wireless communication module, such as a Bluetooth, WIFI, 4G, 5G, etc. communication module to send the obtained length of the muffler to the user's smartphone, application, operation platform and other user terminals 10 in the form of a short message for the user to use. The processor 302 searches for corresponding parameters through the database 9.

[0076] The muffler parameter determination method, device, equipment, storage medium and system provided by the above embodiments of the present invention can effectively reduce the number of muffler test verifications, reduce the development cost, and improve the matching success rate of the muffler.

[0077] For the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, certain steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0078] It should be noted that each embodiment in this specification is described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts among the embodiments can be referred to each other. For the device embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can refer to the partial description of the method embodiments.

[0079] The steps in the methods of the embodiments of the present invention can be adjusted, combined, and deleted according to actual needs, and the technical features described in each embodiment can be replaced or combined.

[0080] The modules and sub-modules in the devices and terminals in the embodiments of the present invention can be combined, divided, and deleted according to actual needs.

[0081] In several embodiments provided by the present invention, it should be understood that the disclosed terminals, devices, and methods can be implemented in other ways. For example, the terminal embodiments described above are merely illustrative. For example, the division of modules or sub-modules is only a logical function division, and there can be other division methods in actual implementation. For example, multiple sub-modules or modules can be combined or integrated into another module, or some features can be ignored or not executed. Another point is that the displayed or discussed couplings or direct couplings or communication connections to each other can be through some interfaces, and the indirect couplings or communication connections of devices or modules can be in electrical, mechanical, or other forms.

[0082] The modules or sub-modules described as separate components may or may not be physically separated. The components as modules or sub-modules may or may not be physical modules or sub-modules, that is, they can be located in one place, or distributed to multiple network modules or sub-modules. Some or all of the modules or sub-modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0083] In addition, the functional modules or sub-modules in each embodiment of the present invention can be integrated in a processing module, or each module or sub-module can exist physically alone, or two or more modules or sub-modules can be integrated in one module. The above-mentioned integrated modules or sub-modules can be implemented in the form of hardware or in the form of software functional modules or sub-modules.

[0084] Those skilled in the art can further realize that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be implemented by electronic hardware, computer software, or a combination of the two. To clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described according to functions in the above description. Whether these functions are executed in a hardware or software manner depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present invention.

[0085] The steps of the methods or algorithms described in connection with the embodiments disclosed herein may be implemented directly in hardware, in a software unit executed by a processor, or in a combination thereof. The software unit may be placed in a random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

[0086] Finally, it should also be noted that in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0087] The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for determining muffler parameters, characterized in that, including: obtaining the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant under refrigeration conditions based on the gas-liquid two-phase sensor on the exhaust pipe, or obtaining the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant under heating conditions based on the gas-liquid two-phase sensor on the suction pipe; determining the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant based on the temperature value and the pressure value; determining the sound propagation speed of the compressor pipeline based on the proportion of the gaseous refrigerant, the proportion of the liquid refrigerant, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant: based on Obtain the sound propagation speed of the compressor pipeline, where c sep is the sound propagation speed of the compressor pipeline, is the proportion of the gaseous refrigerant, is the proportion of the liquid refrigerant, ρ g is the density of the liquid refrigerant, ρ l is the density of the liquid refrigerant, c g is the sound propagation speed of the gaseous refrigerant, c l is the sound propagation speed of the liquid refrigerant; determining a correction factor for the sound propagation speed of the compressor pipeline based on the proportion of the liquid refrigerant, and correcting the sound propagation speed of the compressor pipeline based on the correction factor: where c seq is the sound propagation speed of the corrected compressor pipeline, and δ is the correction factor. When δ = 0; when δ = 5; when δ = 10; when δ = 20; when δ = 50; alternatively, determining the proportion range of the liquid refrigerant and the corresponding value of the correction factor according to the applied air-conditioning system; determining the length of the muffler based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude.

2. The method according to claim 1, characterized in that, The determining the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant based on the temperature value and the pressure value includes: using the temperature value and the pressure value as key values, looking up the corresponding tabular data in the database, and obtaining the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant from the tabular data.

3. The method according to claim 1, characterized in that, The determining the length of the muffler based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude includes: based on Obtain the length of the muffler, where l is the length of the muffler, and f max is the noise frequency of the maximum amplitude, and n is an integer not less than 0.

4. A device for determining muffler parameters, characterized in that, including: a parameter acquisition module for obtaining the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant under refrigeration conditions based on the gas-liquid two-phase sensor on the exhaust pipe, or obtaining the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant of the refrigerant under heating conditions based on the gas-liquid two-phase sensor on the suction pipe; a parameter lookup module for determining the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant based on the temperature value and the pressure value; a speed determination module for determining the sound propagation speed of the compressor pipeline based on the proportion of the gaseous refrigerant, the proportion of the liquid refrigerant, the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation speed of the gaseous refrigerant, and the sound propagation speed of the liquid refrigerant: based on Obtain the sound propagation speed of the compressor pipeline, where c sep is the sound propagation speed of the compressor pipeline, is the proportion of the gaseous refrigerant, is the proportion of the liquid refrigerant, ρ g is the density of the liquid refrigerant, ρ l is the density of the liquid refrigerant, c g is the sound propagation speed of the gaseous refrigerant, c l is the sound propagation speed of the liquid refrigerant; a speed correction module for determining a correction factor for the sound propagation speed of the compressor pipeline based on the proportion of the liquid refrigerant, and correcting the sound propagation speed of the compressor pipeline based on the correction factor: where c seq is the sound propagation speed of the corrected compressor pipeline, δ is the correction factor. When , δ = 0; when , δ = 5; when , δ = 10; when , δ = 20; when , δ = 50; alternatively, determining the proportion range of the liquid refrigerant and the corresponding value of the correction factor according to the applied air-conditioning system; a length determination module for determining the length of the muffler based on the corrected sound propagation speed of the compressor pipeline and the noise frequency of the maximum amplitude.

5. A device, characterized in that, including: Memory and processor; The memory is used for storing programs; The processor is used for executing the programs to implement each step of the muffler parameter determination method according to any one of claims 1 to 3.

6. A storage medium, on which a computer program is stored, characterized in that, When the computer program is executed by the processor, each step of the muffler parameter determination method according to any one of claims 1 to 3 is implemented.

7. A muffler parameter determination system, comprising the device according to claim 5, characterized in that, It further includes: A gas-liquid two-phase sensor and a communication module connected to the processor. The gas-liquid two-phase sensor is used for obtaining the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant of the refrigerant in the compressor pipeline, and the communication module is used for sending the length of the muffler to the user terminal.

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