WO2024051179A1

WO2024051179A1 - Muffler parameter determination method and apparatus, device, storage medium, and system

Info

Publication number: WO2024051179A1
Application number: PCT/CN2023/090795
Authority: WO
Inventors: 张晓�; 陈运东; 郝建领; 林金涛
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2022-09-08
Filing date: 2023-04-26
Publication date: 2024-03-14
Also published as: CN115435492A

Abstract

A muffler parameter determination method and apparatus, a device, a storage medium and a system, the method comprising: acquiring the temperature value and the pressure value of a refrigerant, the proportion of a gas refrigerant and the proportion of a liquid refrigerant in a compressor pipe; then on the basis of the temperature value and the pressure value, determining the density of the gas refrigerant, the density of the liquid refrigerant, a sound propagation speed in the gas refrigerant and a sound propagation speed in the liquid refrigerant; on the basis of the proportion of the gas refrigerant, the proportion of the liquid refrigerant, the density of the gas refrigerant, the density of the liquid refrigerant, the sound propagation speed in the gas refrigerant and the sound propagation speed in the liquid refrigerant, determining a sound propagation speed in the compressor pipe; determining a correction factor for the sound propagation speed in the compressor pipe on the basis of the proportion of the liquid refrigerant, and correcting the sound propagation speed in the compressor pipe on the basis of the correction factor; and, on the basis of the corrected sound propagation speed in the compressor pipe and the frequency of the noise having the maximum amplitude value, determining the length of a muffler.

Description

Method, device, equipment, storage medium and system for determining muffler parameters

This application is filed based on a Chinese patent application with application number 202211096039.9 and a filing date of September 8, 2022, and claims the priority of the Chinese patent application. The entire content of the Chinese patent application is hereby incorporated into this application as a reference.

Technical field

The invention relates to the technical field of product testing, and in particular to a muffler parameter determination method, device, equipment, storage medium and system.

Background technique

Because the air conditioner compressor periodically inhales and exhausts air, 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. Noise can be effectively reduced by adding a muffler to the pipeline. Due to the changes in the compressor piping system and the different refrigerant states under various operating conditions, a large amount of test verification is required in the process of matching a muffler for an air conditioner, which is not only inefficient but also increases the development cost of the muffler.

Contents of the invention

In order to solve the problems of low efficiency and high cost in the existing technology, the present invention provides a muffler parameter determination method, device, equipment, storage medium and system, which has the characteristics of high efficiency and lower cost.

A muffler parameter determination method provided according to a specific embodiment of the present invention includes:

Obtain the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant in the compressor pipeline;

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;

The sound propagation speed is 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. Describe the sound propagation speed of the compressor pipeline;

Determine a correction factor for the sound propagation velocity of the compressor pipeline based on the proportion of the liquid refrigerant, and correct the sound propagation velocity of the compressor pipeline based on the correction factor;

The length of the muffler is determined based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency.

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

The temperature value, the pressure value, the proportion of the gaseous refrigerant and the proportion of the liquid refrigerant are obtained based on the gas-liquid two-phase sensor on the compressor pipeline.

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:

Using the temperature value and the pressure value as a key value, search the table data corresponding to the key value in the database, and obtain the density of the gaseous refrigerant, the density of the liquid refrigerant, and the density of the liquid refrigerant from the table data. The sound propagation speed of the gaseous refrigerant and the sound propagation speed of the liquid refrigerant.

Further, the method is 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 density of the liquid refrigerant. The sound propagation velocity determines the sound propagation velocity of the compressor pipeline, including:

based on

Obtain the sound propagation velocity of the compressor pipeline, where c _sep is the sound propagation velocity 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 gas refrigerant, ρ _l is the density of the liquid refrigerant, c _g is the sound propagation speed of the gas refrigerant, c _l is the sound propagation of the liquid refrigerant speed.

Further, determining a correction factor for the sound propagation velocity of the compressor pipeline based on the proportion of the liquid refrigerant, and correcting the sound propagation velocity of the compressor pipeline based on the correction factor includes:

where c _seq is the corrected sound propagation velocity of the compressor pipeline, δ is the correction factor, when When , δ = 0; when When, δ=5; when When, δ=10; when When, δ=20; when When, δ=50.

Further, determining the length of the muffler based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency includes:

Obtain the length of the muffler, l is the length of the muffler, f _max is the noise frequency of the maximum amplitude, and n is a positive integer including 0.

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

Parameter acquisition module is used to obtain the temperature value, pressure value, proportion of gaseous refrigerant and liquid in the compressor pipeline. Proportion of state refrigerant;

a parameter search 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;

A speed determination module configured to base 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 liquid refrigerant. The sound propagation speed determines the sound propagation speed of the compressor pipeline;

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

The length determination module is used to determine the length of the muffler based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency.

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

The memory is used to store programs;

The processor is configured to execute the program and implement each step of the muffler parameter determination method as described above.

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 as described above is implemented.

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

The method for determining muffler parameters 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 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 temperature value and the pressure value. The sound propagation speed of the compressor pipeline is determined 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. The correction factor of the sound propagation velocity of the compressor pipeline is determined based on the proportion of liquid refrigerant, and the sound propagation velocity of the compressor pipeline is corrected based on the correction factor. The length of the muffler is determined based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency. The muffler is manufactured according to the length of the obtained muffler, which not only improves the efficiency of muffler production, but also effectively reduces the development cost of the muffler.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only is the invention Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on the provided drawings without exerting creative efforts.

Figure 1 is a flow chart of a muffler parameter determination method provided according to an exemplary embodiment;

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

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

Figure 4 is a structural diagram of a muffler parameter determination system provided according to an exemplary embodiment.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Referring to Figure 1, an embodiment of the present invention provides a method for determining muffler parameters. The method may include the following steps:

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

Referring to the structural diagram of the air conditioning compressor piping system shown in Figure 4, the refrigeration and heating piping system mainly consists of compressor 1, liquid reservoir 2, condenser 3, four-way valve 4, evaporator 5, exhaust The pipeline 6 and the return pipeline 7 are composed of a gas-liquid two-phase sensor 8 installed in the exhaust pipeline 6 to obtain the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant under refrigeration conditions. Compare. By arranging a gas-liquid two-phase sensor 8 in the return air pipeline 7, the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant under heating conditions can be obtained. Depending on which muffler needs to be made in the pipeline, the corresponding gas-liquid two-phase sensor can be used to collect the corresponding data.

102. 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 pressure value.

The obtained temperature and pressure values can be searched in a preset table. This table can usually use a thermal calculation physical property parameter table. In this table, there are corresponding densities and sound propagation speeds under temperature and pressure. According to the measured By searching the obtained temperature value and pressure value accordingly, you can obtain 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.

103. 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.

According to the calculation formula of the sound propagation velocity in the gas-liquid two-phase state:

The sound propagation velocity of the compressor pipeline can be obtained, where c _sep is the sound propagation velocity of the compressor pipeline, is the proportion of gaseous refrigerant, is the proportion of liquid refrigerant, ρ _g is the density of gas refrigerant, ρ _l is the density of liquid refrigerant, c _g is the sound propagation speed of gas refrigerant, and c _l is the sound propagation speed of liquid refrigerant.

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

Whether it is an exhaust pipeline or a return pipeline, the proportion of liquid refrigerant has a greater impact on the sound propagation speed in the gas-liquid two-phase state in the pipeline. Therefore, the proportion of liquid refrigerant in the gas-liquid two-phase state has a great influence on Corrected for the speed of sound propagation. Specifically, when When , δ = 0; when When , δ = 5; when When, δ=10; when When , δ = 20; when When, δ=50. δ is the correction factor, and the corrected sound propagation speed is:

where c _seq is the corrected sound propagation velocity of the compressor pipeline.

It can be understood that the proportion range of liquid refrigerant and the value of the corresponding correction factor may vary depending on the air conditioning system used. Those skilled in the art can make adjustments according to the needs of actual applications. The present invention is here No restrictions.

105. Determine the length of the muffler based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency.

specific, based on

Obtain the length of the muffler, where l is the length of the muffler, f _max is the noise frequency of the maximum amplitude, and n is a positive integer including 0.

Here you can also set up a summary table of muffler specifications and types, and determine the length according to the noise frequency. The muffler can be manufactured after the length is determined, thereby effectively reducing the number of test verifications of the muffler and the production of prototypes, reducing development costs and improving the matching success rate of the muffler.

As an implementation manner of the above embodiment, the density of the gaseous refrigerant and the density of the liquid refrigerant are determined based on the temperature value and the pressure value. Density, sound propagation speed of gaseous refrigerant and sound propagation speed of liquid refrigerant, may include:

Use the temperature value and pressure value as the key value, search the table data corresponding to the key value in the database, and obtain the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation velocity of the gaseous refrigerant, and the sound propagation of the liquid refrigerant from the table data speed. Of course, those skilled in the art can also use other search methods to search for data, which will not be described in detail here.

Based on the same design idea, with reference to the embodiment of the present invention shown in Figure 2, a muffler parameter determination device is also provided. The device can implement each step of the above muffler parameter determination method when running. The device can include:

The parameter acquisition module 201 is used to acquire the temperature value, pressure value, proportion of gaseous refrigerant, and proportion of liquid refrigerant in the compressor pipeline.

The parameter search module 202 is used 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.

The speed determination module 203 is used 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. transmission speed.

The speed correction module 204 is used to determine the correction factor of 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. as well as

The length determination module 205 is used to determine the length of the muffler based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency.

This device has the same beneficial effects as the above-mentioned muffler parameter determination method. For its specific implementation, reference can be made to the embodiment of the above-mentioned muffler parameter determination method, and the present invention will not be repeated here.

Referring to FIG. 3 , an embodiment of the present invention also provides a device, which may include: a memory 301 and a processor 302 .

Memory 301 is used to store programs.

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

Embodiments of the present invention also provide 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 described in the above embodiment is implemented.

Referring to Figure 4, an embodiment of the present invention also provides a muffler parameter determination system, which includes the equipment described in the above embodiment, and also includes: 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 in the compressor pipeline, and the communication module 11 is used to send the length of the muffler to the user terminal.

Specifically, the communication module 11 can use a wireless communication module, such as Bluetooth, WIFI, 4G, 5G and other communication modules to send the obtained length of the muffler in the form of a short message to the user's smartphone, application, operating platform and other user terminals. 10 for users to use, the processor 302 searches for corresponding parameters through the database 9 .

The muffler parameter determination methods, devices, equipment, storage media and systems provided by the above embodiments of the present invention can effectively reduce the number of muffler test verifications, reduce development costs, and improve the matching success rate of the muffler.

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, Some steps may be performed in other orders 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 necessary for the present invention.

It should be noted that each embodiment in this specification is described in a progressive manner. Each embodiment focuses on its differences from other embodiments. The same and similar parts between the various embodiments are referred to each other. Can. As for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple. For relevant details, please refer to the partial description of the method embodiment.

The steps in the methods of each embodiment of the present invention can be sequentially adjusted, combined, and deleted according to actual needs, and the technical features recorded in each embodiment can be replaced or combined.

Modules and sub-modules in the devices and terminals of various embodiments of the present invention can be merged, divided and deleted according to actual needs.

In the several embodiments provided by the present invention, it should be understood that the disclosed terminal, device and method can be implemented in other ways. For example, the terminal embodiments described above are only illustrative. For example, the division of modules or sub-modules is only a logical function division. In actual implementation, there may be other division methods, for example, multiple sub-modules or modules may be combined. Or it can be integrated into another module, or some features can be ignored, or not implemented. On the other hand, the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, indirect coupling or communication connection of devices or modules, and may be in electrical, mechanical or other forms.

Modules or submodules described as separate components may or may not be physically separate. Components described as modules or submodules may or may not be physical modules or submodules, that is, they may be located in one place, or they may be distributed to on multiple network modules or submodules. 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.

In addition, each functional module or sub-module in various embodiments of the present invention can be integrated in one 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 in a module. The above-mentioned integrated modules or sub-modules can be implemented in the form of hardware or in the form of software function modules or sub-modules.

Those skilled in the art may further realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented with electronic hardware, computer software, or a combination of both. In order to clearly illustrate the hardware and software The interchangeability of components, the composition and steps of each example have been generally described according to function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each specific application, but such implementations should not be considered to be beyond the scope of the present invention.

The steps of the methods or algorithms described in connection with the embodiments disclosed herein may be implemented directly in hardware, in software units executed by a processor, or in a combination of both. The software unit may be located in random access memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, register, hard disk, removable disk, CD-ROM, or any other device in the technical field. any other known form of storage media.

Finally, it should be noted that in this article, 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 that these entities or any such actual relationship or sequence between operations. Furthermore, the terms "comprises," "comprises," or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be practiced in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not 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

A method for determining muffler parameters, which is characterized by including:

Obtain the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant in the compressor pipeline;

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;

The sound propagation speed is 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. Describe the sound propagation speed of the compressor pipeline;

Determine a correction factor for the sound propagation velocity of the compressor pipeline based on the proportion of the liquid refrigerant, and correct the sound propagation velocity of the compressor pipeline based on the correction factor;

The length of the muffler is determined based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency.
The method according to claim 1, characterized in that said obtaining the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant in the compressor pipeline includes:

The temperature value, the pressure value, the proportion of the gaseous refrigerant and the proportion of the liquid refrigerant are obtained based on the gas-liquid two-phase sensor on the compressor pipeline.
The method according to claim 1, wherein the density of the gaseous refrigerant, the density of the liquid refrigerant, the sound propagation velocity of the gaseous refrigerant and the sound propagation velocity of the liquid refrigerant are determined based on the temperature value and the pressure value, include:

Using the temperature value and the pressure value as a key value, search the table data corresponding to the key value in the database, and obtain the density of the gaseous refrigerant, the density of the liquid refrigerant, and the density of the liquid refrigerant from the table data. The sound propagation speed of the gaseous refrigerant and the sound propagation speed of the liquid refrigerant.
The method according to claim 1, characterized in that the method is 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 density of the gaseous refrigerant. The sound propagation speed of the liquid refrigerant and the sound propagation speed of the liquid refrigerant determine the sound propagation speed of the compressor pipeline, including:

based on

Obtain the sound propagation velocity of the compressor pipeline, where c sep is the sound propagation velocity 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 gas refrigerant, ρ l is the The density of the liquid refrigerant, c g is the sound propagation speed of the gaseous refrigerant, and c l is the sound propagation speed of the liquid refrigerant.
The method according to claim 4, characterized in that the correction factor of the sound propagation velocity of the compressor pipeline is determined based on the proportion of the liquid refrigerant, and the correction factor of the compressor pipeline is determined based on the correction factor. Correct the sound propagation speed of the road, including:

where c seq is the corrected sound propagation velocity of the compressor pipeline, δ is the correction factor, when When , δ = 0; when When, δ=5; when When, δ=10; when When, δ=20; when When, δ=50.
The method of claim 5, wherein determining the length of the muffler based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency includes:

Obtain the length of the muffler, l is the length of the muffler, f max is the noise frequency of the maximum amplitude, and n is a positive integer including 0.
A muffler parameter determination device, characterized by including:

The parameter acquisition module is used to obtain the temperature value, pressure value, proportion of gaseous refrigerant and proportion of liquid refrigerant in the compressor pipeline;

a parameter search 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;

A speed determination module configured to base 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 liquid refrigerant. The sound propagation speed determines the sound propagation speed of the compressor pipeline;

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

The length determination module is used to determine the length of the muffler based on the corrected sound propagation velocity of the compressor pipeline and the maximum amplitude noise frequency.
A device, characterized by including: a memory and a processor;

The memory is used to store programs;

The processor is configured to execute the program to implement each step of the muffler parameter determination method according to any one of claims 1 to 6.
A storage medium with a computer program stored thereon, characterized in that when the computer program is executed by a processor, each step of the muffler parameter determination method according to any one of claims 1 to 6 is implemented.
A muffler parameter determination system, comprising the device as claimed in claim 8, further comprising: a gas-liquid two-phase sensor and a communication module connected to the processor, the gas-liquid two-phase sensor being 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.