CN116796436A - Modeling analysis method, device and terminal of automobile air conditioning system - Google Patents

Abstract

The application discloses a modeling analysis method, a modeling analysis device and a modeling analysis terminal for an automobile air conditioning system, which belong to the technical field of modeling of air conditioning systems and comprise the steps of respectively acquiring an air conditioning schematic diagram, air conditioning system performance and structural parameters and experimental data of single and system-level experiments adopted by an automobile model; determining the type and the composition of an air conditioning system according to an air conditioning schematic diagram adopted by the vehicle type, and determining a model building strategy according to the determined type and the composition of the air conditioning system; taking the performance and structural parameters of the air conditioning system as the input of a single model, and taking the experimental data of the single and system-level experiments as boundary conditions; respectively carrying out single-piece calibration and pipeline calibration, forming a system model according to an air-conditioning schematic diagram adopted by the vehicle model, and carrying out the system model calibration; and an energy management loop of the whole vehicle is carried, so that an air conditioning system is optimized. The application is used for guiding the integrated analysis of the performance of the air conditioning system in the design and development process of the automobile and coupling the whole automobile heat management strategy and the whole automobile model, thereby being convenient for the analysis of energy consumption and heat comfort.

Description

Modeling analysis method, device and terminal of automobile air conditioning system

Technical Field

The application discloses a modeling analysis method, device and terminal of an automobile air conditioning system, and belongs to the technical field of air conditioning system modeling.

Background

In the prior art, in the development and design process of the automobile air conditioner, whether the automobile air conditioner meets the design requirement is verified by bench test of single parts; however, in the subsequent whole vehicle experiment, in the state that the single performance is qualified, the performance requirement of the whole vehicle cannot be met when the system is integrated, and the development and test cost is wasted;

in addition, with the development of new energy automobiles, the problem of cruising is to be solved urgently, and particularly the cruising performance of the new energy automobiles at high and low temperatures is outstanding; wherein the energy consumption of the air conditioning system is relatively large; therefore, the automobile driver comfort is met, and the automobile driver comfort is required to be coupled with the whole automobile heat management system, so that the purposes of reducing energy consumption and improving the whole automobile endurance mileage are achieved.

Disclosure of Invention

Aiming at the defects of the prior art, the application provides a modeling analysis method, a modeling analysis device and a modeling analysis terminal for an automobile air conditioning system, which solve the problem that the automobile design process can not meet the requirements of energy consumption and thermal comfort analysis at the same time.

The technical scheme of the application is as follows:

according to a first aspect of an embodiment of the present application, there is provided a modeling analysis method of an air conditioning system of an automobile, including:

respectively acquiring an air conditioning schematic diagram, an air conditioning system performance and structural parameters adopted by a vehicle model and experimental data of a monomer and system level experiment;

determining the type and the composition of an air conditioning system according to an air conditioning schematic diagram adopted by the vehicle type, and determining a model building strategy according to the determined type and the composition of the air conditioning system;

taking the performance and structural parameters of the air conditioning system as the input of a single model, and taking the experimental data of the single and system-level experiments as boundary conditions;

respectively carrying out single-piece calibration and pipeline calibration, forming a system model according to an air-conditioning schematic diagram adopted by the vehicle model, and carrying out the system model calibration;

and an energy management loop of the whole vehicle is carried, so that an air conditioning system is optimized.

Preferably, the model building strategy includes: model component, monomer model calibration content and system model calibration content.

Preferably, the single piece calibration comprises at least: number of noose, pressure drop coefficient and heat exchange coefficient of heat exchange.

Preferably, the pipeline calibration can set pressure drop coefficients and heat exchange coefficients of multiple groups of values.

Preferably, the error of the single-piece calibration and the pipeline calibration is less than or equal to 5%.

Preferably, the error of the calibration of the system model is less than or equal to 10%.

Preferably, the optimizing of the air conditioning system at least includes: structural optimization, arrangement optimization, and policy optimization.

According to a second aspect of an embodiment of the present application, there is provided a modeling analysis device of an air conditioning system of an automobile, including:

the acquisition module is used for respectively acquiring an air conditioner schematic diagram, an air conditioning system performance and structural parameters adopted by a vehicle model and test data of single and system level experiments;

the determining module is used for determining the type and the composition of the air conditioning system according to an air conditioning schematic diagram adopted by the vehicle type and determining a model building strategy according to the determined type and the composition of the air conditioning system;

the input module is used for taking the performance and the structural parameters of the air conditioning system as the input of a single model and taking the experimental data of the single and system-level experiments as boundary conditions;

the calibration module is used for respectively carrying out single-piece calibration and pipeline calibration, forming a system model according to an air conditioner schematic diagram adopted by the vehicle model, and carrying out the system model calibration;

and the optimizing module is used for carrying an energy management loop of the whole vehicle and optimizing an air conditioning system.

According to a third aspect of an embodiment of the present application, there is provided a terminal including:

one or more processors;

a memory for storing the one or more processor-executable instructions;

wherein the one or more processors are configured to:

the method according to the first aspect of the embodiment of the application is performed.

According to a fourth aspect of embodiments of the present application, there is provided a non-transitory computer readable storage medium, which when executed by a processor of a terminal, enables the terminal to perform the method according to the first aspect of embodiments of the present application.

According to a fifth aspect of embodiments of the present application, there is provided an application program product for causing a terminal to carry out the method according to the first aspect of embodiments of the present application when the application program product is run at the terminal.

The application has the beneficial effects that:

the application provides a modeling analysis method, a modeling analysis device and a modeling analysis terminal for an automobile air conditioning system, which are used for guiding the performance integrated analysis of the air conditioning system in the automobile design and development process and coupling a whole automobile heat management strategy and a whole automobile model, so that the energy consumption and the heat comfort analysis are facilitated.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

FIG. 1 is a flow chart illustrating a method of modeling analysis of an automotive air conditioning system, according to an exemplary embodiment.

Fig. 2 is a schematic diagram of an air conditioning system in a modeling analysis method of an automotive air conditioning system according to an exemplary embodiment.

FIG. 3 is a schematic illustration of air conditioning unit calibration in a modeling analysis method of an automotive air conditioning system according to an exemplary embodiment.

FIG. 4 is a schematic illustration of air conditioning circuit calibration in a modeling analysis method of an automotive air conditioning system according to an exemplary embodiment.

FIG. 5 is a schematic diagram illustrating calibration of an air conditioning system in a modeling analysis method of an automotive air conditioning system according to an exemplary embodiment.

Fig. 6 is a schematic block diagram showing a construction of a modeling analysis apparatus of an automotive air conditioning system according to an exemplary embodiment.

Fig. 7 is a schematic block diagram of a terminal structure according to an exemplary embodiment.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The embodiment of the application provides a modeling analysis method of an automobile air conditioning system, which is realized by a terminal, wherein the terminal can be a desktop computer or a notebook computer and the like, and at least comprises a CPU and the like.

Example 1

Fig. 1 is a flowchart illustrating a modeling analysis method of an air conditioning system of an automobile, which is used in a terminal, according to an exemplary embodiment, the method comprising the steps of:

and step 101, respectively acquiring an air conditioner schematic diagram, air conditioning system performance and structural parameters adopted by a vehicle model and test data of single and system level experiments.

The air conditioning schematic diagram adopted by the vehicle model determines the type and the composition of an air conditioning system, and a loop of the air conditioning system comprises a compressor, a condenser, a thermal expansion valve, an electronic expansion valve, a beller, a battery cooler, an evaporator, a pipeline and a plurality of temperature sensors, as shown in fig. 2.

The air conditioning system performance and structural parameters are shown in table 1 below:

table 1 table of air conditioning system performance and structural parameters

Experimental data for the system level experiments are shown in table 2 below:

table 2 test data sheet for system level experiments

And 102, determining the type and the composition of an air conditioning system according to an air conditioning schematic diagram adopted by the vehicle type, and determining a model building strategy according to the determined type and composition of the air conditioning system.

The model building strategy comprises the following steps: model component, monomer model calibration content and system model calibration content.

And step 103, taking the performance and structural parameters of the air conditioning system as the input of a single model, and taking the experimental data of single and system-level experiments as boundary conditions.

And 104, respectively performing single-piece calibration and pipeline calibration, forming a system model according to an air conditioner schematic diagram adopted by the vehicle model, and performing system model calibration.

As shown in fig. 3 and 4, the single piece calibration includes at least: the number of the heat exchange Knoop, the pressure drop coefficient and the heat exchange coefficient, and the pressure drop coefficient and the heat exchange coefficient of a plurality of groups of values can be set for pipeline calibration. The errors of single calibration and pipeline calibration are less than or equal to 5%, and the error of system model calibration is less than or equal to 10%.

In order to build accurate models of single-piece and system capable of reflecting actual performances, an air conditioning system and a calibration model of the single-piece are required to be built. The compressor and the expansion valve are driving parts, only the structure and performance parameters are required to be input, the bench experiment is used as a boundary for inputting, and the precision of the loop is checked; the condenser, the evaporator and the condenser are used as a single part of a part which generates phase change in an air conditioning system and need to be specially calibrated;

calibrating a single piece: the condenser and the fan are provided with corresponding models in an Amesim air-conditioning library; in bench experiments, jumping pipes exist at the inlet and the outlet, the pressure drop generated by the jumping pipes is not negligible, and the jumping pipes are replaced by the containing cavity and the pressure drop in a two-phase flow library in a model; the inlet and outlet boundary condition models are selected from a two-phase flow library; after the models are selected, a loop is built according to the single calibration of the air conditioner shown in the figure 3, and the condenser structure and the performance parameters in the table 1 are input into each model; the calibration of the condenser is to calibrate the pressure drop and the heat exchange quantity, and the error between the pressure drop and the rack test value is regarded as a judging standard; the calibration of pressure drop and heat exchange quantity comprises piezoresistive coefficients at a jump pipe, piezoresistive coefficients of each flow path of a condenser, pressure drop correction coefficients of the condenser, wind-measured Knoop numbers, liquid-side Knoop numbers A, B and C and correction coefficients of heat exchange quantity of the condenser; the parameters are subjected to iterative computation through an embedded genetic algorithm of Amesim, and after computation, optimal parameters are applied to perform the approximation computation, and in post-processing, a line graph is generated by heat exchange errors and pressure drop errors. Comparing the error of the heat exchange amount and the pressure drop, if the error is less than 5%, the calibration is successful; the evaporator and the chiler are used as heat exchangers similar to a condenser, and the calibration steps are similar;

the pipeline is similar to the calibration of the system, and the correction coefficient of the whole loop is calibrated or the pressure drop and the heat exchange correction coefficient are manually modified; in the system, the calibration of the pipeline is concentrated on the part from the outlet of the compressor to the inlet of the condenser, and the pressure drop and heat exchange of the pipeline are not negligible due to the high-pressure high-temperature superheated steam from the outlet of the compressor, as shown in the figure 4 for the calibration of the pipeline of the air conditioner, namely the calibration of the inlet of the compressor to the inlet of the condenser, and the pipeline consists of an aluminum pipe and a rubber pipe, wherein the aluminum pipe is modeled as heat capacity and is provided with a pipeline model for heat exchange calculation; the pressure drop at the joint of the aluminum pipe and the rubber pipe is simplified into a hole model, sensors are added at the two sides of the pipe and the hole, and test data are input into the model as boundary conditions; performing the formulation calculation of the parameters through a plurality of groups of embedded setting values of the Amesim; comparing the error of the heat exchange amount and the pressure drop, if the error is less than 5%, the calibration is successful;

the calibration principle of the system is similar to pipeline calibration, and as shown in fig. 5, the model is built by connecting and building the calibrated single body and pipeline model according to the schematic diagram of the air conditioning system in the diagram 2; comparing the error of the heat exchange amount and the pressure drop, if the error is less than 10%, the calibration is successful; after the calibration is finished, if the air conditioner single piece changes, the air conditioner single piece can be integrated into an air conditioning system, and the influence of the air conditioner single piece on the air conditioning system is predicted.

And 105, carrying an energy management loop of the whole vehicle, and optimizing an air conditioning system.

The optimization of the air conditioning system at least comprises the following steps: structural optimization, arrangement optimization, and policy optimization.

Example two

Fig. 6 is a schematic block diagram showing a modeling analysis apparatus of an air conditioning system of an automobile according to an exemplary embodiment, the apparatus including:

the acquiring module 210 is configured to acquire an air conditioning schematic diagram, an air conditioning system performance and a structural parameter, and test data of a monomer and system level experiment, which are adopted by a vehicle model, respectively;

a determining module 220, configured to determine a model building policy according to the air conditioning system related data;

the input module 230 is configured to take the performance and structural parameters of the air conditioning system as input of a single model, and take test data of the single and system level experiments as boundary conditions;

the calibration module 240 is configured to perform single-piece calibration and pipeline calibration, respectively, form a system model according to an air-conditioning schematic diagram adopted by the vehicle model, and perform the system model calibration;

and the optimizing module 250 is used for carrying an energy management loop of the whole vehicle and optimizing the air conditioning system.

The application is used for guiding the integrated analysis of the performance of the air conditioning system in the design and development process of the automobile and coupling the whole automobile heat management strategy and the whole automobile model, thereby being convenient for the analysis of energy consumption and heat comfort.

Example III

Fig. 7 is a block diagram of a terminal according to an embodiment of the present application, and the terminal may be a terminal according to the above embodiment. The terminal 300 may be a portable mobile terminal such as: smart phone, tablet computer. The terminal 300 may also be referred to by other names of user equipment, portable terminals, etc.

In general, the terminal 300 includes: a processor 301 and a memory 302.

Processor 301 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 301 may be implemented in at least one hardware form of DSP (Digital Signal Processing ), FPGA (Field-Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array ). The processor 301 may also include a main processor, which is a processor for processing data in an awake state, also called a CPU (Central Processing Unit ), and a coprocessor; a coprocessor is a low-power processor for processing data in a standby state. In some embodiments, the processor 301 may integrate a GPU (Graphics Processing Unit, image processor) for rendering and drawing of content required to be displayed by the display screen. In some embodiments, the processor 301 may also include an AI (Artificial Intelligence ) processor for processing computing operations related to machine learning.

Memory 302 may include one or more computer-readable storage media, which may be tangible and non-transitory. Memory 302 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 302 is used to store at least one instruction for execution by processor 301 to implement a method of modeling analysis of an automotive air conditioning system provided in the present application.

In some embodiments, the terminal 300 may further optionally include: a peripheral interface 303, and at least one peripheral. Specifically, the peripheral device includes: at least one of radio frequency circuitry 304, touch screen 305, camera 306, audio circuitry 307, positioning component 308, and power supply 309.

The peripheral interface 303 may be used to connect at least one Input/Output (I/O) related peripheral to the processor 301 and the memory 302. In some embodiments, processor 301, memory 302, and peripheral interface 303 are integrated on the same chip or circuit board; in some other embodiments, either or both of the processor 301, the memory 302, and the peripheral interface 303 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.

The Radio Frequency circuit 304 is configured to receive and transmit RF (Radio Frequency) signals, also known as electromagnetic signals. The radio frequency circuitry 304 communicates with a communication network and other communication devices via electromagnetic signals. The radio frequency circuit 304 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 304 includes: antenna systems, RF transceivers, one or more amplifiers, tuners, oscillators, digital signal processors, codec chipsets, subscriber identity module cards, and so forth. The radio frequency circuitry 304 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocol includes, but is not limited to: the world wide web, metropolitan area networks, intranets, generation mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (Wireless Fidelity ) networks. In some embodiments, the radio frequency circuitry 304 may also include NFC (Near Field Communication ) related circuitry, which is not limiting of the application.

The touch display screen 305 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. The touch screen 305 also has the ability to collect touch signals at or above the surface of the touch screen 305. The touch signal may be input as a control signal to the processor 301 for processing. The touch screen 305 is used to provide virtual buttons and/or virtual keyboards, also known as soft buttons and/or soft keyboards. In some embodiments, the touch display 305 may be one, providing a front panel of the terminal 300; in other embodiments, the touch display 305 may be at least two, respectively disposed on different surfaces of the terminal 300 or in a folded design; in still other embodiments, the touch display 305 may be a flexible display disposed on a curved surface or a folded surface of the terminal 300. Even more, the touch display screen 305 may be arranged in an irregular pattern that is not rectangular, i.e., a shaped screen. The touch display 305 may be made of LCD (Liquid Crystal Display ), OLED (Organic Light-Emitting Diode) or other materials.

The camera assembly 306 is used to capture images or video. Optionally, the camera assembly 306 includes a front camera and a rear camera. In general, a front camera is used for realizing video call or self-photographing, and a rear camera is used for realizing photographing of pictures or videos. In some embodiments, the number of the rear cameras is at least two, and the rear cameras are any one of a main camera, a depth camera and a wide-angle camera, so as to realize fusion of the main camera and the depth camera to realize a background blurring function, and fusion of the main camera and the wide-angle camera to realize a panoramic shooting function and a Virtual Reality (VR) shooting function. In some embodiments, camera assembly 306 may also include a flash. The flash lamp can be a single-color temperature flash lamp or a double-color temperature flash lamp. The dual-color temperature flash lamp refers to a combination of a warm light flash lamp and a cold light flash lamp, and can be used for light compensation under different color temperatures.

Audio circuitry 307 is used to provide an audio interface between the user and terminal 300. The audio circuit 307 may include a microphone and a speaker. The microphone is used for collecting sound waves of users and environments, converting the sound waves into electric signals, and inputting the electric signals to the processor 301 for processing, or inputting the electric signals to the radio frequency circuit 304 for voice communication. For the purpose of stereo acquisition or noise reduction, a plurality of microphones may be respectively disposed at different portions of the terminal 300. The microphone may also be an array microphone or an omni-directional pickup microphone. The speaker is used to convert electrical signals from the processor 301 or the radio frequency circuit 304 into sound waves. The speaker may be a conventional thin film speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, not only the electric signal can be converted into a sound wave audible to humans, but also the electric signal can be converted into a sound wave inaudible to humans for ranging and other purposes. In some embodiments, the audio circuit 307 may also include a headphone jack.

The location component 308 is used to locate the current geographic location of the terminal 300 to enable navigation or LBS (Location Based Service, location-based services). The positioning component 308 may be a positioning component based on the United states GPS (Global Positioning System ), the Beidou system of China, or the Galileo system of Russia.

The power supply 309 is used to power the various components in the terminal 300. The power source 309 may be alternating current, direct current, disposable or rechargeable. When the power source 309 comprises a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge technology.

In some embodiments, the terminal 300 further includes one or more sensors 310. The one or more sensors 310 include, but are not limited to: acceleration sensor 311, gyroscope sensor 312, pressure sensor 313, fingerprint sensor 314, optical sensor 315, and proximity sensor 316.

The acceleration sensor 311 can detect the magnitudes of accelerations on three coordinate axes of the coordinate system established with the terminal 300. For example, the acceleration sensor 311 may be used to detect components of gravitational acceleration on three coordinate axes. The processor 301 may control the touch display screen 305 to display a user interface in a landscape view or a portrait view according to the gravitational acceleration signal acquired by the acceleration sensor 311. The acceleration sensor 311 may also be used for the acquisition of motion data of a game or a user.

The gyro sensor 312 may detect a body direction and a rotation angle of the terminal 300, and the gyro sensor 312 may collect 3D (three-dimensional) motion of the user to the terminal 300 in cooperation with the acceleration sensor 311. The processor 301 may implement the following functions according to the data collected by the gyro sensor 312: motion sensing (e.g., changing UI according to a tilting operation by a user), image stabilization at shooting, game control, and inertial navigation.

The pressure sensor 313 may be disposed at a side frame of the terminal 300 and/or at a lower layer of the touch screen 305. When the pressure sensor 313 is provided at the side frame of the terminal 300, a grip signal of the terminal 300 by a user may be detected, and left-right hand recognition or shortcut operation may be performed according to the grip signal. When the pressure sensor 313 is disposed at the lower layer of the touch screen 305, control of the operability control on the UI interface can be achieved according to the pressure operation of the user on the touch screen 305. The operability controls include at least one of a button control, a scroll bar control, an icon control, and a menu control.

The fingerprint sensor 314 is used to collect a fingerprint of a user to identify the identity of the user based on the collected fingerprint. Upon recognizing that the user's identity is a trusted identity, the user is authorized by the processor 301 to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying for and changing settings, etc. The fingerprint sensor 314 may be provided on the front, back or side of the terminal 300. When a physical key or a manufacturer Logo is provided on the terminal 300, the fingerprint sensor 314 may be integrated with the physical key or the manufacturer Logo.

The optical sensor 315 is used to collect the ambient light intensity. In one embodiment, processor 301 may control the display brightness of touch screen 305 based on the intensity of ambient light collected by optical sensor 315. Specifically, when the intensity of the ambient light is high, the display brightness of the touch display screen 305 is turned up; when the ambient light intensity is low, the display brightness of the touch display screen 305 is turned down. In another embodiment, the processor 301 may also dynamically adjust the shooting parameters of the camera assembly 306 according to the ambient light intensity collected by the optical sensor 315.

A proximity sensor 316, also referred to as a distance sensor, is typically disposed on the front face of the terminal 300. The proximity sensor 316 is used to collect the distance between the user and the front of the terminal 300. In one embodiment, when the proximity sensor 316 detects a gradual decrease in the distance between the user and the front face of the terminal 300, the processor 301 controls the touch screen 305 to switch from the on-screen state to the off-screen state; when the proximity sensor 316 detects that the distance between the user and the front surface of the terminal 300 gradually increases, the processor 301 controls the touch display screen 305 to switch from the off-screen state to the on-screen state.

Those skilled in the art will appreciate that the structure shown in fig. 7 is not limiting and that more or fewer components than shown may be included or certain components may be combined or a different arrangement of components may be employed.

Example IV

In an exemplary embodiment, there is also provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a modeling analysis method of an air conditioning system of a vehicle as provided by all the inventive embodiments of the present application.

Any combination of one or more computer readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

The computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Computer program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).

Example five

In an exemplary embodiment, an application program product is also provided, comprising one or more instructions executable by the processor 301 of the above apparatus to perform a method of modeling analysis of an automotive air conditioning system as described above.

Although embodiments of the application have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present application. Additional modifications will readily occur to those skilled in the art. Therefore, the application is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. A modeling analysis method of an air conditioning system of an automobile, comprising:

respectively acquiring an air conditioning schematic diagram, an air conditioning system performance and structural parameters adopted by a vehicle model and experimental data of a monomer and system level experiment;

determining the type and the composition of an air conditioning system according to an air conditioning schematic diagram adopted by the vehicle type, and determining a model building strategy according to the determined type and the composition of the air conditioning system;

taking the performance and structural parameters of the air conditioning system as the input of a single model, and taking the experimental data of the single and system-level experiments as boundary conditions;

respectively carrying out single-piece calibration and pipeline calibration, forming a system model according to an air-conditioning schematic diagram adopted by the vehicle model, and carrying out the system model calibration;

and an energy management loop of the whole vehicle is carried, so that an air conditioning system is optimized.

2. The modeling analysis method of an air conditioning system of an automobile according to claim 1, wherein the model building strategy comprises: model component, monomer model calibration content and system model calibration content.

3. A method of modeling analysis of an air conditioning system of a vehicle according to claim 1 or 2, wherein said single piece calibration comprises at least: number of noose, pressure drop coefficient and heat exchange coefficient of heat exchange.

4. A method of modeling analysis of an automotive air conditioning system as defined in claim 3 wherein said pipeline calibration is capable of setting a pressure drop coefficient and a heat exchange coefficient for a plurality of sets of values.

5. The modeling analysis method of an air conditioning system of a vehicle according to claim 4, wherein the errors of the single-piece calibration and the pipeline calibration are each 5% or less.

6. The modeling analysis method of an air conditioning system of an automobile according to claim 4 or 5, wherein the error of the calibration of the system model is 10% or less.

7. A method of modeling an air conditioning system of a vehicle in accordance with claim 6, wherein said optimizing of the air conditioning system comprises at least: structural optimization, arrangement optimization, and policy optimization.

8. A modeling analysis apparatus of an air conditioning system of an automobile, comprising:

the acquisition module is used for respectively acquiring an air conditioner schematic diagram, an air conditioning system performance and structural parameters adopted by a vehicle model and test data of single and system level experiments;

the determining module is used for determining the type and the composition of the air conditioning system according to an air conditioning schematic diagram adopted by the vehicle type and determining a model building strategy according to the determined type and the composition of the air conditioning system;

the input module is used for taking the performance and the structural parameters of the air conditioning system as the input of a single model and taking the experimental data of the single and system-level experiments as boundary conditions;

the calibration module is used for respectively carrying out single-piece calibration and pipeline calibration, forming a system model according to an air conditioner schematic diagram adopted by the vehicle model, and carrying out the system model calibration;

and the optimizing module is used for carrying an energy management loop of the whole vehicle and optimizing an air conditioning system.

9. A terminal, comprising:

one or more processors;

a memory for storing the one or more processor-executable instructions;

wherein the one or more processors are configured to:

a modeling analysis method of an air conditioning system of an automobile according to any one of claims 1 to 7 is performed.

10. A non-transitory computer readable storage medium, characterized in that instructions in the storage medium, when executed by a processor of a terminal, enable the terminal to perform a modeling analysis method of an automotive air conditioning system according to any one of claims 1 to 7.