A method, device, and vehicle for evaluating the performance of vehicle air conditioning based on an air circulation model.

Abstract

This invention discloses a method, device, and vehicle for evaluating the performance of an in-vehicle air conditioning system based on an airflow model. The method includes: monitoring airflow between adjacent evaluation areas in multiple evaluation zones within the vehicle using a virtual 3D model to obtain target monitoring results; determining airflow distribution parameters corresponding to the in-vehicle air conditioning system in a preset mode based on the target monitoring results; setting the airflow model using the airflow distribution parameters; and determining the regional temperatures of multiple evaluation areas in the preset mode based on the airflow model; and evaluating the temperature regulation performance of the in-vehicle air conditioning system in the preset mode using the regional temperatures corresponding to the multiple evaluation areas. This invention solves the technical problem of low performance evaluation efficiency caused by the long computation cycle of digital modeling of in-vehicle air conditioning systems in related technologies.

Description

Technical Field

[0001] This invention relates to the field of intelligent vehicles, and more specifically, to a method, apparatus, and vehicle for evaluating the performance of in-vehicle air conditioning based on an air circulation model. Background Technology

[0002] With the widespread adoption of modeling software and a significant increase in computing resources, digital modeling and performance development have been widely applied in the automotive industry.

[0003] To evaluate the temperature regulation performance of an in-vehicle air conditioning system, it is necessary to monitor the temperature at multiple different monitoring points inside the vehicle. For example, the temperature in the head area can be used as an indicator to evaluate whether the temperature regulation performance of the in-vehicle air conditioning system meets the standards. In related technologies, three-dimensional modeling can be used to monitor the temperature at each monitoring point. While the simulation results obtained by three-dimensional modeling are highly accurate, the calculation cycle is relatively long.

[0004] There is currently no effective solution to the above problems. Summary of the Invention

[0005] This invention provides a method, apparatus, and vehicle for evaluating the performance of vehicle air conditioning based on an air circulation model, in order to at least solve the technical problem of low performance evaluation efficiency caused by the long calculation cycle of digital modeling of vehicle air conditioning in related technologies.

[0006] According to one embodiment of the present invention, a method for evaluating the performance of an in-vehicle air conditioning system based on an airflow model is provided, comprising: monitoring the airflow between adjacent evaluation areas in multiple evaluation areas inside a vehicle using a virtual three-dimensional model to obtain target monitoring results, wherein the virtual three-dimensional model is used to simulate the airflow inside the vehicle, and the multiple evaluation areas are areas obtained by dividing the interior area of ​​the vehicle; determining the airflow distribution parameters corresponding to the in-vehicle air conditioning system in a preset mode based on the target monitoring results, wherein the preset mode is a mode after freely combining the blowing mode and the internal / external circulation mode of the in-vehicle air conditioning system, and the airflow distribution parameters are used to set the airflow distribution ratio in the airflow model; setting the airflow model using the airflow distribution parameters, and determining the area temperature of the multiple evaluation areas in the preset mode based on the airflow model; and evaluating the temperature regulation performance of the in-vehicle air conditioning system in the preset mode using the area temperatures corresponding to the multiple evaluation areas.

[0007] Optionally, the airflow model includes: a mode model corresponding to a preset mode, a region model corresponding to multiple evaluation regions connected to the mode model, and at least one distribution valve model and at least one mixing valve model set between adjacent region models. The distribution valve model is used to divert the airflow input at the input end of the distribution valve model to multiple output ends of the distribution valve model according to the airflow distribution parameters. The mixing valve model is used to aggregate the airflow input at multiple input ends of the mixing valve model and output it to the output end of the mixing valve model.

[0008] Optionally, the model corresponding to the preset mode includes a face air vent model, a foot air vent model, and an internal circulation outlet model located at the front of the vehicle, and an external circulation outlet model located at the rear of the vehicle. The area models corresponding to multiple evaluation areas include a first head area and a first foot area located in the front row of the vehicle, and a second head area and a second foot area located in the rear row of the vehicle. In the airflow model: the face air vent model is connected to the first input end of the first mixing valve model; the first output end of the first distribution valve model is connected to the second input end of the first mixing valve model; the output end of the first mixing valve model is connected to the first input end of the second mixing valve model; the first output end of the second distribution valve model is connected to the second input end of the second mixing valve model; the output end of the second mixing valve model is connected to the input end of the first head area; the output end of the first head area is connected to the input end of the third distribution valve model; the first output end of the third distribution valve model is connected to the first input end of the third mixing valve model; the second output end of the third distribution valve model is connected to the first input end of the fifth mixing valve model; the second input end of the third mixing valve model is connected to the first output end of the fourth distribution valve model; the third mixing valve model... The output end of the first distribution valve model is connected to the input end of the second head region. The output end of the second head region is connected to the input end of the first distribution valve model. The second output end of the first distribution valve model is connected to the input end of the fifth distribution valve model. The first output end of the fifth distribution valve model is connected to the external circulation outlet model. The second output end of the fifth distribution valve model is connected to the first input end of the sixth mixing valve model. The foot vent model is connected to the first input end of the fourth mixing valve model. The second input end of the fourth mixing valve model is connected to the second output end of the fourth distribution valve model. The output end of the fourth mixing valve model is connected to the second input end of the fifth mixing valve model. The output end of the fifth mixing valve model is connected to the input end of the first foot region. The output end of the first foot region is connected to the input end of the second distribution valve model. The second output end of the second distribution valve model is connected to the input end of the sixth distribution valve model. The first output end of the sixth distribution valve model is connected to the internal circulation outlet model. The second output end of the sixth distribution valve model is connected to the second input end of the sixth mixing valve model. The output end of the sixth mixing valve model is connected to the input end of the second foot region. The output end of the second foot region is connected to the input end of the fourth distribution valve model.

[0009] Optionally, the airflow between adjacent evaluation areas inside the vehicle is monitored using a virtual three-dimensional model to obtain target monitoring results, including: monitoring the airflow between the first head area and the second head area to obtain a first monitoring result; monitoring the airflow between the first head area and the first foot area to obtain a second monitoring result; monitoring the airflow between the second head area and the second foot area to obtain a third monitoring result; and monitoring the airflow between the first foot area and the second foot area to obtain a fourth monitoring result.

[0010] Optionally, evaluating the temperature regulation performance of the vehicle air conditioner in a preset mode using the area temperatures corresponding to multiple evaluation areas includes: obtaining the target temperature corresponding to each evaluation area in the preset mode in multiple evaluation areas; and evaluating the temperature regulation performance of the vehicle air conditioner based on the comparison results between the area temperature and the corresponding target temperature.

[0011] Optionally, evaluating the temperature regulation performance of the vehicle air conditioner in a preset mode using the area temperatures corresponding to multiple evaluation areas includes: calculating the average value of the area temperatures corresponding to multiple evaluation areas to obtain the average interior temperature of the vehicle; determining a first temperature difference and a second temperature difference based on the average interior temperature, wherein the first temperature difference is the temperature difference between the average interior temperature and the area temperature corresponding to the first head area, and the second temperature difference is the temperature difference between the average interior temperature and the area temperature corresponding to the second head area; and evaluating the temperature regulation performance of the vehicle air conditioner using the first temperature difference and the second temperature difference.

[0012] Optionally, the blowing mode includes any one of the following: face blowing mode, foot blowing mode, and dual blowing mode; the internal and external circulation modes include any one of the following: internal circulation mode and external circulation mode.

[0013] According to one embodiment of the present invention, a vehicle air conditioning performance evaluation device based on an airflow model is provided, comprising: a monitoring module, used to monitor the airflow between adjacent evaluation areas in multiple evaluation areas inside a vehicle using a virtual three-dimensional model, and obtain target monitoring results, wherein the virtual three-dimensional model is used to simulate the airflow inside the vehicle, and the multiple evaluation areas are areas obtained by dividing the interior area of ​​the vehicle; a determination module, used to determine the airflow distribution parameters corresponding to the vehicle air conditioning in a preset mode based on the target monitoring results, wherein the preset mode is a mode after freely combining the blowing mode and the internal and external circulation mode of the vehicle air conditioning, and the airflow distribution parameters are used to set the airflow distribution ratio in the airflow model; a processing module, used to set the airflow model using the airflow distribution parameters, and to determine the area temperature of the multiple evaluation areas in the preset mode based on the airflow model; and an evaluation module, used to evaluate the temperature regulation performance of the vehicle air conditioning in the preset mode using the area temperatures corresponding to the multiple evaluation areas.

[0014] Optionally, the airflow model includes: a mode model corresponding to a preset mode, a region model corresponding to multiple evaluation regions connected to the mode model, and at least one distribution valve model and at least one mixing valve model set between adjacent region models. The distribution valve model is used to divert the airflow input at the input end of the distribution valve model to multiple output ends of the distribution valve model according to the airflow distribution parameters. The mixing valve model is used to aggregate the airflow input at multiple input ends of the mixing valve model and output it to the output end of the mixing valve model.

[0015] Optionally, the model corresponding to the preset mode includes a face air vent model, a foot air vent model, and an internal circulation outlet model located at the front of the vehicle, and an external circulation outlet model located at the rear of the vehicle. The area models corresponding to multiple evaluation areas include a first head area and a first foot area located in the front row of the vehicle, and a second head area and a second foot area located in the rear row of the vehicle. In the airflow model: the face air vent model is connected to the first input end of the first mixing valve model; the first output end of the first distribution valve model is connected to the second input end of the first mixing valve model; the output end of the first mixing valve model is connected to the first input end of the second mixing valve model; the first output end of the second distribution valve model is connected to the second input end of the second mixing valve model; the output end of the second mixing valve model is connected to the input end of the first head area; the output end of the first head area is connected to the input end of the third distribution valve model; the first output end of the third distribution valve model is connected to the first input end of the third mixing valve model; the second output end of the third distribution valve model is connected to the first input end of the fifth mixing valve model; the second input end of the third mixing valve model is connected to the first output end of the fourth distribution valve model; the third mixing valve model... The output end of the first distribution valve model is connected to the input end of the second head region. The output end of the second head region is connected to the input end of the first distribution valve model. The second output end of the first distribution valve model is connected to the input end of the fifth distribution valve model. The first output end of the fifth distribution valve model is connected to the external circulation outlet model. The second output end of the fifth distribution valve model is connected to the first input end of the sixth mixing valve model. The foot vent model is connected to the first input end of the fourth mixing valve model. The second input end of the fourth mixing valve model is connected to the second output end of the fourth distribution valve model. The output end of the fourth mixing valve model is connected to the second input end of the fifth mixing valve model. The output end of the fifth mixing valve model is connected to the input end of the first foot region. The output end of the first foot region is connected to the input end of the second distribution valve model. The second output end of the second distribution valve model is connected to the input end of the sixth distribution valve model. The first output end of the sixth distribution valve model is connected to the internal circulation outlet model. The second output end of the sixth distribution valve model is connected to the second input end of the sixth mixing valve model. The output end of the sixth mixing valve model is connected to the input end of the second foot region. The output end of the second foot region is connected to the input end of the fourth distribution valve model.

[0016] Optionally, the monitoring module is further configured to: monitor the airflow between the first head region and the second head region to obtain a first monitoring result; monitor the airflow between the first head region and the first foot region to obtain a second monitoring result; monitor the airflow between the second head region and the second foot region to obtain a third monitoring result; and monitor the airflow between the first foot region and the second foot region to obtain a fourth monitoring result.

[0017] Optionally, the evaluation module is also used to: obtain the target temperature corresponding to each evaluation area in a preset mode in multiple evaluation areas; and evaluate the temperature regulation performance of the vehicle air conditioner based on the comparison results between the area temperature and the corresponding target temperature.

[0018] Optionally, the evaluation module is also used to: calculate the average temperature of the corresponding areas of multiple evaluation areas to obtain the average temperature inside the vehicle; determine a first temperature difference and a second temperature difference based on the average temperature inside the vehicle, wherein the first temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the first head area, and the second temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the second head area; and evaluate the temperature regulation performance of the vehicle air conditioner using the first temperature difference and the second temperature difference.

[0019] Optionally, the blowing mode includes any one of the following: face blowing mode, foot blowing mode, and dual blowing mode; the internal and external circulation modes include any one of the following: internal circulation mode and external circulation mode.

[0020] According to one embodiment of the present invention, a vehicle is provided for performing the vehicle air conditioning performance evaluation method based on an air circulation model as described above.

[0021] According to one embodiment of the present invention, an electronic device is provided, including a memory and a processor. The memory stores a computer program, and the processor is configured to run the computer program to execute the vehicle air conditioning performance evaluation method based on an air circulation model as described above.

[0022] In this embodiment of the invention, a virtual three-dimensional model is used to monitor the airflow between adjacent evaluation areas inside the vehicle, thereby obtaining the actual airflow between adjacent evaluation areas. Based on the monitored actual airflow, the airflow distribution ratio of the vehicle air conditioner under different operating conditions is determined. Subsequently, the airflow model is configured based on the determined airflow distribution ratio, and the regional temperature of multiple evaluation areas in the passenger compartment under different operating conditions is calculated using the airflow model. This allows for direct determination of whether the regional temperature of any evaluation area in the passenger compartment meets the index requirements, thereby achieving efficient evaluation of the temperature regulation performance of the vehicle air conditioner. This achieves the goal of quickly and accurately evaluating the temperature regulation performance of the vehicle air conditioner based on the airflow model, thus improving the technical effect of improving the performance evaluation efficiency of the vehicle air conditioner. This solves the technical problem of low performance evaluation efficiency caused by the long calculation cycle of digital modeling of vehicle air conditioners in related technologies. Attached Figure Description

[0023] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this invention, illustrate exemplary embodiments of the invention and are used to explain the invention, but do not constitute an undue limitation of the invention. In the drawings:

[0024] Figure 1 This is a flowchart of a vehicle air conditioning performance evaluation method based on an air circulation model according to one embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of an evaluation area according to one embodiment of the present invention;

[0026] Figure 3A This is a schematic diagram of airflow circulation in a surface-blowing internal circulation mode according to one embodiment of the present invention;

[0027] Figure 3B This is a schematic diagram of airflow circulation in an external airflow mode according to one embodiment of the present invention;

[0028] Figure 3C This is a schematic diagram of airflow circulation in a foot-blowing internal circulation mode according to one embodiment of the present invention;

[0029] Figure 3D This is a schematic diagram of airflow circulation in a foot-blowing external circulation mode according to one embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of an air circulation model according to one embodiment of the present invention;

[0031] Figure 5A This is a schematic diagram of airflow circulation in another blowing surface internal circulation mode according to one embodiment of the present invention;

[0032] Figure 5B This is a schematic diagram of airflow circulation in another external airflow mode according to one embodiment of the present invention;

[0033] Figure 5C This is a schematic diagram of airflow circulation in another internal circulation mode according to one embodiment of the present invention;

[0034] Figure 5D This is a schematic diagram of airflow circulation in another external circulation mode according to one embodiment of the present invention;

[0035] Figure 6 This is a structural block diagram of an in-vehicle air conditioning performance evaluation device based on an air circulation model according to one embodiment of the present invention. Detailed Implementation

[0036] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0037] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0038] In related technologies, three-dimensional modeling or one-dimensional modeling is usually used to monitor the regional temperature of each monitoring point.

[0039] The 3D modeling method uses 3D software to build a model based on the actual geometry of the vehicle. Further simulation calculations yield the temperature distribution in various areas of the passenger compartment. Based on these results, it's possible to predict whether the temperature at any monitoring point meets the design targets. While this 3D modeling method provides high-precision simulation results, the calculation cycle is relatively long. The 1D modeling method uses 1D software to build a model based on the actual design parameters of the vehicle. Further simulation calculations yield the average air temperature inside the passenger compartment. However, because there is a significant discrepancy between the average air temperature inside the passenger compartment and the head temperature, it's not possible to directly determine whether the air conditioning cooling performance meets the design targets.

[0040] According to an embodiment of the present invention, an embodiment of a vehicle air conditioning performance evaluation method based on an air circulation model is provided. It should be noted that the steps shown in the flowchart in the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions. Furthermore, although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than that shown here.

[0041] This method embodiment can be executed in an electronic device or similar computing device that includes a memory and a processor. Taking operation on a vehicle terminal as an example, the vehicle terminal may include one or more processors (processors may include, but are not limited to, central processing units (CPUs), graphics processing units (GPUs), digital signal processing (DSP) chips, microcontroller units (MCUs), field-programmable gate arrays (FPGAs), neural network processors (NPUs), tensor processing units (TPUs), artificial intelligence (AI) type processors, etc.) and a memory for storing data. Optionally, the vehicle terminal may also include a transmission device for communication functions. Those skilled in the art will understand that the above structural description is merely illustrative and does not limit the structure of the vehicle terminal. For example, the vehicle terminal may also include more or fewer components than described above, or have a different configuration than described above.

[0042] The memory can be used to store computer programs, such as application software programs and modules, like the computer program corresponding to the information processing method in this embodiment of the invention. The processor executes various functional applications and data processing by running the computer program stored in the memory, thereby implementing the aforementioned information processing method. The memory may include high-speed random access memory and non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory may further include memory remotely located relative to the processor, and these remote memories can be connected to the vehicle terminal via a network. Examples of such networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

[0043] The transmission device is used to receive or send data via a network. Specific examples of the network mentioned above may include a wireless network provided by the vehicle terminal's communication provider. In one example, the transmission device includes a Network Interface Controller (NIC), which can connect to other network devices via a base station to communicate with the Internet. In another example, the transmission device may be a Radio Frequency (RF) module, used for wireless communication with the Internet.

[0044] This invention provides a method for evaluating the performance of an in-vehicle air conditioning system based on an air circulation model, which runs on the aforementioned computer terminal. Figure 1 This is a flowchart of a vehicle air conditioning performance evaluation method based on an air circulation model according to one embodiment of the present invention, such as... Figure 1 As shown, the method includes the following steps:

[0045] Step S12: Use a virtual 3D model to monitor the airflow between adjacent evaluation areas in multiple evaluation areas inside the vehicle to obtain the target monitoring results. The virtual 3D model is used to simulate the airflow inside the vehicle, and the multiple evaluation areas are areas obtained by dividing the internal area of ​​the vehicle.

[0046] The aforementioned virtual 3D model can be a 3D model of the vehicle's passenger compartment, which can be obtained through simulation using Computational Fluid Dynamics (CFD) software. In the virtual 3D model, the vehicle's interior area can be divided into multiple evaluation zones, with each pair of adjacent evaluation zones serving as a monitoring surface for airflow.

[0047] Taking a vehicle with two rows of seats as an example, the vehicle is simulated using a virtual 3D model. Figure 2This is a schematic diagram of an evaluation area according to one embodiment of the present invention, such as... Figure 2 As shown, the interior of the vehicle is divided into a front head area, a front foot area, a rear head area, and a rear foot area using a virtual 3D model. The front head area and front foot area are adjacent evaluation areas and can be used as the first monitoring surface; the front head area and rear head area are adjacent evaluation areas and can be used as the second monitoring surface; the rear head area and rear foot area are adjacent evaluation areas and can be used as the third monitoring surface; and the front foot area and rear foot area are adjacent evaluation areas and can be used as the fourth monitoring surface. The target monitoring result is obtained by summarizing the monitoring flow rates of the first, second, third, and fourth monitoring surfaces.

[0048] It should be noted that the embodiments of the present invention only take a vehicle with two rows of seats as an example, and do not constitute a specific limitation on the number of rows of seats in a vehicle. In actual applications, the process of obtaining target monitoring results for vehicles with multiple rows of seats is similar to the above process and will not be described in detail.

[0049] Step S14: Based on the target monitoring results, determine the airflow distribution parameters corresponding to the vehicle air conditioner in the preset mode. The preset mode is a mode after freely combining the blowing mode and the internal and external circulation mode of the vehicle air conditioner. The airflow distribution parameters are used to set the airflow distribution ratio in the air circulation model.

[0050] Optionally, the airflow mode includes any one of the following: face blowing mode, foot blowing mode, and dual blowing mode; the internal / external circulation mode includes any one of the following: internal circulation mode and external circulation mode. Preset modes obtained by combining the airflow mode and internal / external circulation mode of the vehicle's air conditioning system include: face blowing internal circulation mode, face blowing external circulation mode, foot blowing internal circulation mode, foot blowing external circulation mode, dual blowing internal circulation mode, and dual blowing external circulation mode. Under different preset modes, the airflow output by the vehicle's air conditioning system circulates differently within the passenger compartment.

[0051] Regarding the above text Figure 2 After digitally modeling multiple evaluation areas, the airflow circulation process of multiple evaluation areas in each preset mode can be simulated.

[0052] In the following Figures 3A-3D In the process, each area is digitally modeled separately according to a preset mode. Among them, ① is the area model corresponding to the front head area, ② is the area model corresponding to the rear head area, ③ is the area model corresponding to the front foot area, and ④ is the area model corresponding to the rear foot area.

[0053] Figure 3A This is a schematic diagram of an airflow circulation mode of a blowing surface internal circulation mode according to one embodiment of the present invention, such as... Figure 3A As shown, the airflow from the blowing air outlet model first enters ①, then splits into ② and ③. The airflow in ② reaches ④, and the airflow in ④ reaches ③. ③ The airflow from ① and ④ is mixed and flows out through the internal circulation outlet model.

[0054] Figure 3B This is a schematic diagram of an airflow circulation mode for a blowing surface according to one embodiment of the present invention, such as... Figure 3B As shown, the airflow from the blowing air outlet model first enters ①, then splits into ② and ③. The airflow in ③ reaches ④, and the airflow in ④ reaches ②. ② mixes with the airflow from ① and ④ and flows out through the external circulation outlet model.

[0055] Figure 3C This is a schematic diagram of airflow circulation in a foot-blowing internal circulation mode according to one embodiment of the present invention, as shown below. Figure 3C As shown, the airflow from the face-blowing vent model first enters ①, then mixes with the airflow from the foot-blowing vent model and enters ③. Part of the airflow from ③ enters the inner circulation outlet model, and part is diverted to ④. All the airflow in ④ reaches ②, and all the airflow in ② replenishes ①, forming a cycle.

[0056] Figure 3D This is a schematic diagram of airflow circulation in an external circulation mode according to one embodiment of the present invention, such as... Figure 3D As shown, the airflow from the foot vent model first enters ③, then splits to ① and ④. The airflow from the face vent model mixes with the airflow from ③ and enters ①. All the airflow in ④ reaches ② and mixes with the airflow from ① in ②, and finally flows out at the outer circulation outlet model.

[0057] It should be noted that the air circulation direction is the same in the dual-blowing internal circulation mode and the full-blowing internal circulation mode, and the air circulation direction is the same in the dual-blowing external circulation mode and the full-blowing external circulation mode, which will not be elaborated here.

[0058] Step S16: Set the airflow model using airflow distribution parameters, and determine the regional temperature of multiple evaluation areas under the preset mode based on the airflow model.

[0059] Specifically, by using airflow distribution parameters to set the airflow distribution ratio in the airflow model, the airflow situation under different preset modes can be modeled in the airflow model. By combining the airflow situation in the airflow model, the regional temperature of multiple evaluation areas under preset modes can be detected.

[0060] Step S18: Evaluate the temperature regulation performance of the vehicle air conditioner in the preset mode using the area temperatures corresponding to multiple evaluation areas.

[0061] Through steps S12 to S18, the airflow between adjacent evaluation areas inside the vehicle is monitored using a virtual 3D model to obtain the actual airflow between adjacent evaluation areas. Based on the monitored actual airflow, the airflow distribution ratio of the vehicle air conditioner under different operating conditions is determined. Subsequently, the airflow model is configured based on the determined airflow distribution ratio, and the regional temperature of multiple evaluation areas in the passenger compartment under different operating conditions is calculated using the airflow model. This allows for direct determination of whether the regional temperature of any evaluation area in the passenger compartment meets the index requirements, thereby achieving efficient evaluation of the temperature regulation performance of the vehicle air conditioner. This achieves the goal of quickly and accurately evaluating the temperature regulation performance of the vehicle air conditioner based on the airflow model, thus improving the technical effect of improving the performance evaluation efficiency of the vehicle air conditioner. This solves the technical problem of low performance evaluation efficiency caused by the long calculation cycle of digital modeling of vehicle air conditioners in related technologies.

[0062] The following section provides a further introduction to the vehicle air conditioning performance evaluation method based on the air circulation model proposed in the above embodiments.

[0063] Optionally, the airflow model includes: a mode model corresponding to a preset mode, a region model corresponding to multiple evaluation regions connected to the mode model, and at least one distribution valve model and at least one mixing valve model set between adjacent region models. The distribution valve model is used to divert the airflow input at the input end of the distribution valve model to multiple output ends of the distribution valve model according to the airflow distribution parameters. The mixing valve model is used to aggregate the airflow input at multiple input ends of the mixing valve model and output it to the output end of the mixing valve model.

[0064] Specifically, each mixing valve model includes a first input terminal and a second input terminal. The airflow input from the first input terminal and the airflow input from the second input terminal are combined and output to the output terminal of the mixing valve model. Each distribution valve model includes a first output terminal and a second output terminal. The distribution valve model distributes the airflow input from its input terminal to the first and second output terminals of the mixing valve model according to the airflow distribution parameters.

[0065] In the above optional embodiments, by setting the airflow distribution parameters of the distribution valve model corresponding to different preset modes, the distribution valve model in the airflow model can divide the airflow according to the airflow distribution parameters, thereby enabling accurate modeling of the airflow under different preset modes and further ensuring the accuracy of evaluating the temperature regulation performance of the vehicle air conditioner.

[0066] Optionally, the model corresponding to the preset mode includes a model of the air vents at the front of the vehicle, a model of the air vents at the feet, and a model of the internal circulation outlet, as well as a model of the external circulation outlet at the rear of the vehicle. The area models corresponding to the multiple evaluation areas include the first head area and the first foot area in the front row of the vehicle, and the second head area and the second foot area in the rear row of the vehicle. In the air circulation model:

[0067] The air vent model is connected to the first input end of the first mixing valve model; the first output end of the first distribution valve model is connected to the second input end of the first mixing valve model; the output end of the first mixing valve model is connected to the first input end of the second mixing valve model; the first output end of the second distribution valve model is connected to the second input end of the second mixing valve model; the output end of the second mixing valve model is connected to the input end of the first head region; the output end of the first head region is connected to the input end of the third distribution valve model; the first output end of the third distribution valve model is connected to the first input end of the third mixing valve model; the second output end of the third distribution valve model is connected to the first input end of the fifth mixing valve model; the second input end of the third mixing valve model is connected to the first output end of the fourth distribution valve model; the output end of the third mixing valve model is connected to the input end of the second head region; the output end of the second head region is connected to the input end of the first distribution valve model; the second output end of the first distribution valve model is connected to the input end of the fifth distribution valve model; the first output end of the fifth distribution valve model is connected to the external circulation outlet model; and the second output end of the fifth distribution valve model is connected to the first input end of the sixth mixing valve model.

[0068] The air vent model is connected to the first input terminal of the fourth mixing valve model. The second input terminal of the fourth mixing valve model is connected to the second output terminal of the fourth distribution valve model. The output terminal of the fourth mixing valve model is connected to the second input terminal of the fifth mixing valve model. The output terminal of the fifth mixing valve model is connected to the input terminal of the first foot area. The output terminal of the first foot area is connected to the input terminal of the second distribution valve model. The second output terminal of the second distribution valve model is connected to the input terminal of the sixth distribution valve model. The first output terminal of the sixth distribution valve model is connected to the internal circulation outlet model. The second output terminal of the sixth distribution valve model is connected to the second input terminal of the sixth mixing valve model. The output terminal of the sixth mixing valve model is connected to the input terminal of the second foot area. The output terminal of the second foot area is connected to the input terminal of the fourth distribution valve model.

[0069] Figure 4 This is a schematic diagram of an air circulation model according to one embodiment of the present invention, such as... Figure 4As shown, the model corresponding to the preset mode includes a model of the front air vent, a model of the foot air vent, and a model of the internal circulation outlet located at the front of the vehicle, and a model of the external circulation outlet located at the rear of the vehicle. The area models corresponding to the multiple evaluation areas include a first head area and a first foot area located in the front row of the vehicle, and a second head area and a second foot area located in the rear row of the vehicle. The airflow model includes a first mixing valve model, a second mixing valve model, a third mixing valve model, a fourth mixing valve model, a fifth mixing valve model, and a sixth mixing valve model. It also includes a first distribution valve model, a second distribution valve model, a third distribution valve model, a fourth distribution valve model, a fifth distribution valve model, and a sixth distribution valve model.

[0070] based on Figure 4 The internal connections shown in the airflow model can be used to determine the airflow pattern within the model:

[0071] The airflow output from the face-blowing vent model and the airflow output from the first output terminal of the first distribution valve model are combined and output to the output terminal of the first mixing valve model. The airflow output from the output terminal of the first mixing valve model and the airflow output from the first output terminal of the second distribution valve model are combined and output to the output terminal of the second mixing valve model. The airflow output from the output terminal of the second mixing valve model is input to the input terminal of the third distribution valve model via the first face area. The third distribution valve model, according to the airflow distribution parameters, splits the airflow input from its input terminal to its first and second output terminals. The airflow output from the first output terminal of the third distribution valve model and the airflow output from the first output terminal of the fourth distribution valve model... After the airflow is collected, it is output to the output end of the third mixing valve model. The airflow output from the output end of the third mixing valve model is input to the input end of the first distribution valve model via the second face area. The first distribution valve model divides the airflow input from the input end of the first distribution valve model to the first output end and the second output end of the first distribution valve model according to the airflow distribution parameters. The airflow output from the second output end of the first distribution valve model is input to the input end of the fifth distribution valve model. The fifth distribution valve model divides the airflow input from the input end of the fifth distribution valve model to the first output end and the second output end of the fifth distribution valve model according to the airflow distribution parameters. The airflow output from the first output end of the fifth distribution valve model is directly output to the external circulation interface.

[0072] The airflow output from the blower model and the airflow output from the second output terminal of the fourth distribution valve model are combined and output to the output terminal of the fourth mixing valve model. The airflow output from the output terminal of the fourth mixing valve model and the airflow output from the second output terminal of the third distribution valve model are combined and output to the output terminal of the fifth mixing valve model. The airflow output from the output terminal of the fifth mixing valve model is input to the input terminal of the second distribution valve model via the first foot area. The second distribution valve model, according to the airflow distribution parameters, splits the airflow input from its input terminal to its first and second output terminals. The airflow output from the second output terminal of the second distribution valve model is input to the input terminal of the sixth distribution valve model. The sixth distribution valve model, according to the airflow distribution parameters, splits the airflow input at the input end of the sixth distribution valve model to the first and second output ends of the sixth distribution valve model. The airflow output from the first output end of the sixth distribution valve model is directly output to the internal circulation outlet model. The airflow output from the second output end of the sixth distribution valve model and the airflow output from the second output end of the fifth distribution valve model are combined and output to the output end of the sixth mixing valve model. The airflow output from the output end of the sixth mixing valve model is input to the input end of the fourth distribution valve model via the second foot area. The fourth distribution valve model, according to the airflow distribution parameters, splits the airflow input at the input end of the fourth distribution valve model to the first and second output ends.

[0073] Based on the airflow model, the air circulation in the passenger compartment under different preset modes can be simulated. It can meet the air circulation conditions of the passenger compartment under different blowing modes and different circulation states, and has universality, enabling rapid modeling. Therefore, when performing performance evaluation, there is no need to perform separate digital modeling for each preset model, which can effectively shorten the calculation cycle of digital modeling and further improve the efficiency of performance evaluation of vehicle air conditioning.

[0074] In the following Figures 5A to 5D In the diagram, solid lines represent airflow, and dashed lines represent stagnant airflow. ① represents the region model corresponding to the first head region, ② represents the region model corresponding to the second head region, ③ represents the region model corresponding to the first foot region, and ④ represents the region model corresponding to the second foot region.

[0075] Figure 5A This is a schematic diagram of airflow circulation in another internal airflow mode according to one embodiment of the present invention, such as... Figure 5A As shown, the airflow from the blowing vent model first enters ①, then is split into ② and ③ via the third distribution valve model. All the airflow in ② reaches ④, and all the airflow in ④ reaches ③. ③, mixed with the airflow from ① and ④, flows out through the internal circulation outlet model. The above airflow process is similar to... Figure 3A The airflow conditions are the same when the internal circulation mode of the blow-out surface is modeled separately.

[0076] Figure 5B This is a schematic diagram of airflow circulation in another external circulation mode according to one embodiment of the present invention, such as... Figure 5B As shown, the airflow from the blowing vent model first enters ①, then is split into ② and ③ via the third distribution valve model. All the airflow in ③ reaches ④, and all the airflow in ④ reaches ②. ②, mixed with the airflow from ① and ④, flows out through the external circulation outlet model. The above airflow process is similar to... Figure 3B The airflow conditions are the same when the internal circulation mode of the blow-out surface is modeled separately.

[0077] Figure 5C This is a schematic diagram of airflow circulation in another internal circulation mode according to one embodiment of the present invention, such as... Figure 5C As shown, the airflow from the face-blowing vent model first enters ①, then mixes with the airflow from the foot-blowing vent model and enters ③. The airflow from ③ is split by the sixth distribution valve model; part enters the inner circulation outlet model, and the other part is split to ④. All the airflow in ④ reaches ②, and all the airflow in ② replenishes ①, forming a cycle. The above airflow process is similar to... Figure 3C The airflow conditions are the same when the internal circulation mode of the blow-out surface is modeled separately.

[0078] Figure 5D This is a schematic diagram of airflow circulation in another external circulation mode according to one embodiment of the present invention, such as... Figure 5D As shown, the airflow from the foot vent model first enters ③, then is split into ① and ④ via the second distribution valve model. The airflow from the face vent model mixes with the airflow from ③ via the second mixing valve model and enters ①. All the airflow in ④ reaches ②, where the airflow from ④ is mixed with the airflow from ① using the third mixing valve model, and finally flows out through the outer circulation outlet model. The above airflow process is similar to... Figure 3D The airflow conditions are the same when the internal circulation mode of the blow-out surface is modeled separately.

[0079] It should be noted that the air circulation direction is the same in the dual-blowing internal circulation mode and the full-blowing internal circulation mode, and the air circulation direction is the same in the dual-blowing external circulation mode and the full-blowing external circulation mode, which will not be elaborated here.

[0080] Specifically, when determining the airflow distribution parameters corresponding to the vehicle air conditioner in a preset mode based on the target monitoring results, the flow rate of the vehicle air conditioner monitoring surface in different preset modes can be read and compared with the total flow rate in this preset mode to obtain the flow distribution ratio corresponding to the monitoring surface. This distribution result is then set as the performance parameter table of the distribution valve model in the air flow model (as shown in Table 1).

[0081] Table 1 Flow Allocation Ratio

[0082] Blower mode Internal and external circulation Allocation ratio 1 1 70％ 1 0 80％ 0 1 20％ 0 0 10％

[0083] As shown in Table 1, in the airflow mode, 1 represents the face blowing mode, 0 represents the foot blowing mode, 1 represents the internal circulation mode, and 0 represents the external circulation mode. In the face blowing internal circulation mode, the distribution valve model actually used for airflow distribution in the airflow model is the third distribution valve model. One output of the third distribution valve model has a distribution ratio of 70%, and the other output has a distribution ratio of 30%. In the face blowing external circulation mode, the distribution valve model actually used for airflow distribution in the airflow model is the third distribution valve model. One output of the third distribution valve model has a distribution ratio of 80%, and the other output has a distribution ratio of 20%. In the foot blowing internal circulation mode, the distribution valve model actually used for airflow distribution in the airflow model is the sixth distribution valve model. One output of the sixth distribution valve model has a distribution ratio of 20%, and the other output has a distribution ratio of 80%. In the foot blowing external circulation mode, the distribution valve model actually used for airflow distribution in the airflow model is the second distribution valve model. One output of the second distribution valve model has a distribution ratio of 10%, and the other output has a distribution ratio of 90%.

[0084] Optionally, in step S21, the airflow between adjacent evaluation areas inside the vehicle is monitored using a virtual three-dimensional model, and the target monitoring results include:

[0085] The airflow between the first head region and the second head region is monitored to obtain a first monitoring result; the airflow between the first head region and the first foot region is monitored to obtain a second monitoring result; the airflow between the second head region and the second foot region is monitored to obtain a third monitoring result; and the airflow between the first foot region and the second foot region is monitored to obtain a fourth monitoring result.

[0086] Specifically, the first monitoring result can represent the airflow between the first head region and the second head region; the second monitoring result can represent the airflow between the first head region and the first foot region; the third monitoring result can represent the airflow between the second head region and the second foot region; and the fourth monitoring result can represent the airflow between the first foot region and the second foot region.

[0087] Optionally, in step S18, evaluating the temperature control performance of the vehicle air conditioner in a preset mode using the area temperatures corresponding to multiple evaluation areas includes:

[0088] Step S181: Obtain the target temperature corresponding to each evaluation area in the preset mode in multiple evaluation areas;

[0089] Step S182: Evaluate the temperature regulation performance of the vehicle air conditioner based on the comparison results between the regional temperature and the corresponding target temperature.

[0090] Specifically, by comparing the target temperature of each assessment area in the preset mode with the area temperature calculated based on the air circulation model, a comparison result is obtained. Based on the comparison result, it is possible to assess whether each assessment area in the passenger compartment has reached the target temperature, thereby obtaining a more comprehensive and reliable assessment result for the vehicle air conditioning.

[0091] Optionally, the temperature regulation performance of the vehicle air conditioner in a preset mode is evaluated using the regional temperatures corresponding to multiple evaluation areas, including:

[0092] Step S183: Calculate the average temperature of the corresponding areas of multiple evaluation areas to obtain the average temperature inside the vehicle.

[0093] Step S184: Determine a first temperature difference and a second temperature difference based on the average temperature inside the vehicle, wherein the first temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the first head area, and the second temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the second head area.

[0094] Step S185: Evaluate the temperature regulation performance of the vehicle air conditioner using the first temperature difference and the second temperature difference.

[0095] Specifically, when using the head area temperature as the main evaluation indicator for the heating or cooling performance of the vehicle air conditioner, the average temperature inside the vehicle is obtained by calculating the average temperature of the corresponding areas of multiple evaluation areas. Then, based on the average temperature inside the vehicle, the first temperature difference and the second temperature difference are determined. Finally, the temperature regulation performance of the vehicle air conditioner is evaluated using the first and second temperature differences. This allows us to obtain the temperature difference between the average temperature inside the vehicle and the temperature difference between different head areas in the passenger compartment, thereby further shortening the calculation cycle of digital modeling and obtaining accurate evaluation results for the vehicle air conditioner.

[0096] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods according to the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a vehicle terminal to execute the methods described in the various embodiments of the present invention.

[0097] This embodiment also provides a vehicle air conditioning performance evaluation device based on an air circulation model. This device is used to implement the above embodiments and preferred embodiments, and details already described will not be repeated. As used below, the term "module" can be a combination of software and / or hardware that implements a predetermined function. Although the device described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0098] Figure 6 This is a structural block diagram of an in-vehicle air conditioning performance evaluation device based on an air circulation model according to one embodiment of the present invention, such as... Figure 6 As shown, the device includes:

[0099] The monitoring module 601 is used to monitor the airflow between adjacent evaluation areas in multiple evaluation areas inside the vehicle using a virtual three-dimensional model, and obtain the target monitoring results. The virtual three-dimensional model is used to simulate the airflow inside the vehicle, and the multiple evaluation areas are areas obtained by dividing the internal area of ​​the vehicle.

[0100] The determination module 602 is used to determine the airflow distribution parameters corresponding to the vehicle air conditioner in a preset mode based on the target monitoring results. The preset mode is a mode after the vehicle air conditioner's blowing mode and internal / external circulation mode are freely combined. The airflow distribution parameters are used to set the airflow distribution ratio in the air circulation model.

[0101] The processing module 603 is used to set the airflow model using airflow distribution parameters, and to determine the regional temperature of multiple evaluation areas under a preset mode based on the airflow model.

[0102] Evaluation module 604 is used to evaluate the temperature regulation performance of the vehicle air conditioner in a preset mode using the area temperatures corresponding to multiple evaluation areas.

[0103] Optionally, the airflow model includes: a mode model corresponding to a preset mode, a region model corresponding to multiple evaluation regions connected to the mode model, and at least one distribution valve model and at least one mixing valve model set between adjacent region models. The distribution valve model is used to divert the airflow input at the input end of the distribution valve model to multiple output ends of the distribution valve model according to the airflow distribution parameters. The mixing valve model is used to aggregate the airflow input at multiple input ends of the mixing valve model and output it to the output end of the mixing valve model.

[0104] Optionally, the model corresponding to the preset mode includes a face air vent model, a foot air vent model, and an internal circulation outlet model located at the front of the vehicle, and an external circulation outlet model located at the rear of the vehicle. The area models corresponding to multiple evaluation areas include a first head area and a first foot area located in the front row of the vehicle, and a second head area and a second foot area located in the rear row of the vehicle. In the airflow model: the face air vent model is connected to the first input end of the first mixing valve model; the first output end of the first distribution valve model is connected to the second input end of the first mixing valve model; the output end of the first mixing valve model is connected to the first input end of the second mixing valve model; the first output end of the second distribution valve model is connected to the second input end of the second mixing valve model; the output end of the second mixing valve model is connected to the input end of the first head area; the output end of the first head area is connected to the input end of the third distribution valve model; the first output end of the third distribution valve model is connected to the first input end of the third mixing valve model; the second output end of the third distribution valve model is connected to the first input end of the fifth mixing valve model; the second input end of the third mixing valve model is connected to the first output end of the fourth distribution valve model; the third mixing valve model... The output end of the first distribution valve model is connected to the input end of the second head region. The output end of the second head region is connected to the input end of the first distribution valve model. The second output end of the first distribution valve model is connected to the input end of the fifth distribution valve model. The first output end of the fifth distribution valve model is connected to the external circulation outlet model. The second output end of the fifth distribution valve model is connected to the first input end of the sixth mixing valve model. The foot vent model is connected to the first input end of the fourth mixing valve model. The second input end of the fourth mixing valve model is connected to the second output end of the fourth distribution valve model. The output end of the fourth mixing valve model is connected to the second input end of the fifth mixing valve model. The output end of the fifth mixing valve model is connected to the input end of the first foot region. The output end of the first foot region is connected to the input end of the second distribution valve model. The second output end of the second distribution valve model is connected to the input end of the sixth distribution valve model. The first output end of the sixth distribution valve model is connected to the internal circulation outlet model. The second output end of the sixth distribution valve model is connected to the second input end of the sixth mixing valve model. The output end of the sixth mixing valve model is connected to the input end of the second foot region. The output end of the second foot region is connected to the input end of the fourth distribution valve model.

[0105] Optionally, the monitoring module 601 is further configured to: monitor the airflow between the first head region and the second head region to obtain a first monitoring result; monitor the airflow between the first head region and the first foot region to obtain a second monitoring result; monitor the airflow between the second head region and the second foot region to obtain a third monitoring result; and monitor the airflow between the first foot region and the second foot region to obtain a fourth monitoring result.

[0106] Optionally, the evaluation module 604 is also used to: obtain the target temperature corresponding to each evaluation area in a preset mode in multiple evaluation areas; and evaluate the temperature regulation performance of the vehicle air conditioner based on the comparison result between the area temperature and the corresponding target temperature.

[0107] Optionally, the evaluation module 604 is further configured to: calculate the average temperature of the corresponding areas of multiple evaluation areas to obtain the average temperature inside the vehicle; determine a first temperature difference and a second temperature difference based on the average temperature inside the vehicle, wherein the first temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the first head area, and the second temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the second head area; and evaluate the temperature regulation performance of the vehicle air conditioner using the first temperature difference and the second temperature difference.

[0108] Optionally, the blowing mode includes any one of the following: face blowing mode, foot blowing mode, and dual blowing mode; the internal and external circulation modes include any one of the following: internal circulation mode and external circulation mode.

[0109] It should be noted that the above modules can be implemented by software or hardware. For the latter, they can be implemented in the following ways, but are not limited to: all the above modules are located in the same processor; or, the above modules are located in different processors in any combination.

[0110] Embodiments of the present invention also provide a vehicle for performing the steps in any of the above method embodiments.

[0111] Optionally, in this embodiment, the vehicle can be configured to perform the following steps:

[0112] S1, using a virtual 3D model to monitor the airflow between adjacent evaluation areas in multiple evaluation areas inside the vehicle, and obtain the target monitoring results. The virtual 3D model is used to simulate the airflow inside the vehicle, and the multiple evaluation areas are areas obtained by dividing the internal area of ​​the vehicle.

[0113] S2, Based on the target monitoring results, determine the airflow distribution parameters corresponding to the vehicle air conditioner in the preset mode. The preset mode is a mode after the vehicle air conditioner's blowing mode and internal / external circulation mode are freely combined. The airflow distribution parameters are used to set the airflow distribution ratio in the air circulation model.

[0114] S3 uses airflow distribution parameters to set the airflow model and determines the regional temperature of multiple evaluation areas under the preset mode based on the airflow model.

[0115] S4 evaluates the temperature regulation performance of the vehicle air conditioner in a preset mode by using the area temperatures corresponding to multiple evaluation areas.

[0116] Optionally, specific examples in this embodiment can refer to the examples described in the above embodiments and optional implementations, and will not be repeated here.

[0117] Embodiments of the present invention also provide an electronic device including a memory and a processor, wherein the memory stores a computer program and the processor is configured to run the computer program to perform the steps in any of the above method embodiments.

[0118] Optionally, in this embodiment, the processor can be configured to perform the following steps via a computer program:

[0119] S1, using a virtual 3D model to monitor the airflow between adjacent evaluation areas in multiple evaluation areas inside the vehicle, and obtain the target monitoring results. The virtual 3D model is used to simulate the airflow inside the vehicle, and the multiple evaluation areas are areas obtained by dividing the internal area of ​​the vehicle.

[0120] S2, Based on the target monitoring results, determine the airflow distribution parameters corresponding to the vehicle air conditioner in the preset mode. The preset mode is a mode after the vehicle air conditioner's blowing mode and internal / external circulation mode are freely combined. The airflow distribution parameters are used to set the airflow distribution ratio in the air circulation model.

[0121] S3 uses airflow distribution parameters to set the airflow model and determines the regional temperature of multiple evaluation areas under the preset mode based on the airflow model.

[0122] S4 evaluates the temperature regulation performance of the vehicle air conditioner in a preset mode by using the area temperatures corresponding to multiple evaluation areas.

[0123] Optionally, specific examples in this embodiment can refer to the examples described in the above embodiments and optional implementations, and will not be repeated here.

[0124] The sequence numbers of the above embodiments of the present invention are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0125] In the above embodiments of the present invention, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0126] In the several embodiments provided by this invention, it should be understood that the disclosed technical content can be implemented in other ways. The device embodiments described above are merely illustrative; for example, the division of units can be a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual coupling, direct coupling, or communication connection can be through some interfaces; the indirect coupling or communication connection of units or modules can be electrical or other forms.

[0127] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0128] Furthermore, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0129] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present invention. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, read-only memory (ROM), random access memory (RAM), portable hard drives, magnetic disks, or optical disks.

[0130] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A method for evaluating the performance of vehicle air conditioning based on an air circulation model, characterized in that, include: The airflow between adjacent evaluation areas in multiple evaluation areas inside a vehicle is monitored using a virtual three-dimensional model to obtain target monitoring results. The virtual three-dimensional model is used to simulate the airflow inside the vehicle, and the multiple evaluation areas are areas obtained by dividing the interior area of ​​the vehicle. Based on the target monitoring results, the airflow distribution parameters corresponding to the vehicle air conditioner in a preset mode are determined. The preset mode is a mode obtained by freely combining the blowing mode and the internal / external circulation mode of the vehicle air conditioner. The airflow distribution parameters are used to set the airflow distribution ratio in the air circulation model. The air circulation model includes: a mode model corresponding to the preset mode, a region model corresponding to the multiple evaluation areas connected to the mode model, and at least one distribution valve model and at least one mixing valve model set between adjacent region models. The distribution valve model is used to divert the airflow input at the input end of the distribution valve model to multiple output ends of the distribution valve model according to the airflow distribution parameters. The mixing valve model is used to aggregate the airflow input at multiple input ends of the mixing valve model and output it to the output end of the mixing valve model. The airflow distribution parameters are used to set the airflow model, and the regional temperature of the multiple evaluation areas under the preset mode is determined based on the airflow model. The temperature regulation performance of the vehicle air conditioner in the preset mode is evaluated using the temperature of the corresponding areas of the multiple evaluation areas.

2. The method according to claim 1, characterized in that, The preset mode corresponds to a model model including a front air vent model, a foot air vent model, and an internal circulation outlet model located at the front of the vehicle, and an external circulation outlet model located at the rear of the vehicle. The multiple evaluation areas correspond to area models including a first head area and a first foot area located in the front row of the vehicle, and a second head area and a second foot area located in the rear row of the vehicle. In the air circulation model: The blowing air outlet model is connected to the first input end of the first mixing valve model; the first output end of the first distribution valve model is connected to the second input end of the first mixing valve model; the output end of the first mixing valve model is connected to the first input end of the second mixing valve model; the first output end of the second distribution valve model is connected to the second input end of the second mixing valve model; the output end of the second mixing valve model is connected to the input end of the first head region; the output end of the first head region is connected to the input end of the third distribution valve model; the first output end of the third distribution valve model is connected to the first input end of the third mixing valve model; the second output end of the third distribution valve model is connected to the first input end of the fifth mixing valve model; the second input end of the third mixing valve model is connected to the first output end of the fourth distribution valve model; the output end of the third mixing valve model is connected to the input end of the second head region; the output end of the second head region is connected to the input end of the first distribution valve model; the second output end of the first distribution valve model is connected to the input end of the fifth distribution valve model; the first output end of the fifth distribution valve model is connected to the external circulation outlet model; and the second output end of the fifth distribution valve model is connected to the first input end of the sixth mixing valve model. The foot vent model is connected to the first input terminal of the fourth mixing valve model. The second input terminal of the fourth mixing valve model is connected to the second output terminal of the fourth distribution valve model. The output terminal of the fourth mixing valve model is connected to the second input terminal of the fifth mixing valve model. The output terminal of the fifth mixing valve model is connected to the input terminal of the first foot area. The output terminal of the first foot area is connected to the input terminal of the second distribution valve model. The second output terminal of the second distribution valve model is connected to the input terminal of the sixth distribution valve model. The first output terminal of the sixth distribution valve model is connected to the internal circulation outlet model. The second output terminal of the sixth distribution valve model is connected to the second input terminal of the sixth mixing valve model. The output terminal of the sixth mixing valve model is connected to the input terminal of the second foot area. The output terminal of the second foot area is connected to the input terminal of the fourth distribution valve model.

3. The method according to claim 2, characterized in that, The airflow between adjacent evaluation areas inside the vehicle is monitored using the virtual 3D model, and the target monitoring results are obtained as follows: The airflow between the first head region and the second head region is monitored to obtain a first monitoring result; and The airflow between the first head region and the first foot region is monitored to obtain a second monitoring result; and The airflow between the second head region and the second foot region is monitored to obtain a third monitoring result; and The airflow between the first foot area and the second foot area is monitored to obtain a fourth monitoring result.

4. The method according to claim 1, characterized in that, Evaluating the temperature regulation performance of the vehicle air conditioner in the preset mode using the temperature of the corresponding areas of the multiple evaluation zones includes: Obtain the target temperature corresponding to each of the multiple evaluation regions in the preset mode; The temperature regulation performance of the vehicle air conditioner is evaluated based on the comparison between the regional temperature and the corresponding target temperature.

5. The method according to claim 2, characterized in that, Evaluating the temperature regulation performance of the vehicle air conditioner in the preset mode using the temperature of the corresponding areas of the multiple evaluation zones includes: The average temperature inside the vehicle is obtained by calculating the average temperature of the corresponding areas of the multiple evaluation areas. A first temperature difference and a second temperature difference are determined based on the average temperature inside the vehicle, wherein the first temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the first head area, and the second temperature difference is the temperature difference between the average temperature inside the vehicle and the temperature of the area corresponding to the second head area. The temperature regulation performance of the vehicle air conditioner is evaluated using the first temperature difference and the second temperature difference.

6. The method according to claim 1, characterized in that, The blowing mode includes any one of the following: face blowing mode, foot blowing mode, and dual blowing mode; The internal and external circulation modes include any one of the following: internal circulation mode and external circulation mode.

7. A vehicle air conditioning performance evaluation device based on an air circulation model, characterized in that, include: The monitoring module is used to monitor the airflow between adjacent assessment areas in multiple assessment areas inside the vehicle using a virtual three-dimensional model, and obtain the target monitoring results. The virtual three-dimensional model is used to simulate the airflow inside the vehicle, and the multiple assessment areas are areas obtained by dividing the interior area of ​​the vehicle. The determination module is used to determine the airflow distribution parameters corresponding to the vehicle air conditioner being in a preset mode based on the target monitoring results. The preset mode is a mode obtained by freely combining the blowing mode and the internal / external circulation mode of the vehicle air conditioner. The airflow distribution parameters are used to set the flow distribution ratio of airflow in the air circulation model. The air circulation model includes: a mode model corresponding to the preset mode, a region model corresponding to the multiple evaluation areas connected to the mode model, and at least one distribution valve model and at least one mixing valve model set between adjacent region models. The distribution valve model is used to divert the airflow input at the input end of the distribution valve model to multiple output ends of the distribution valve model according to the airflow distribution parameters. The mixing valve model is used to aggregate the airflow input at multiple input ends of the mixing valve model and output it to the output end of the mixing valve model. The processing module is used to set the airflow distribution parameters to the airflow model and to determine the regional temperature of the multiple evaluation areas under the preset mode based on the airflow model. An evaluation module is used to evaluate the temperature regulation performance of the vehicle air conditioner in the preset mode using the temperature of the area corresponding to the multiple evaluation areas.

8. A vehicle, characterized in that, The vehicle is used to perform the vehicle air conditioning performance evaluation method based on an air circulation model as described in any one of claims 1 to 6.

9. An electronic device comprising a memory and a processor, characterized in that, The memory stores a computer program, and the processor is configured to run the computer program to perform the vehicle air conditioning performance evaluation method based on an air circulation model as described in any one of claims 1 to 6.

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