Grille equivalent simulation method and device for defrost air outlet

Abstract

The present invention proposes a grille equivalent simulation method and device for defrost air vents, including: determining the wind receiving area corresponding to the grille; determining the incident angle control parameters of the front window and side window air outlets, the minimum coordinate values of the corresponding wind receiving area in the first and third directions, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first and third directions, the front window air outlet coverage angle control parameters, the maximum and minimum coordinate values of the corresponding wind receiving area in the second direction, the maximum and minimum coordinate values of the front window air outlet in the second direction, and the maximum and minimum coordinate values of the corresponding wind receiving area in the first, second, and third directions; determining the airflow direction of the front window and side window air outlets in at least one direction based on the above parameters; and performing equivalent simulation of the grilles of the front window and side window air outlets based on the airflow direction and airflow velocity. The present invention achieves the purpose of performing defrost simulation without providing a grille model, greatly advancing the nodes of the defrost simulation.

Description

Technical Field

[0001] The present invention relates to the field of vehicle technology, and in particular to a method and device for simulating a grille equivalent to a defrost air outlet. Background Art

[0002] The defrost performance of a vehicle is one of the important indicators of vehicle safety performance. The design of the defrost performance is generally done by the design department providing models of the vehicle body interior, defrost vents, grilles, and air ducts, and then conducting simulation analysis and optimization based on the above models to ensure that the defrost performance meets national standards.

[0003] Currently, when conducting defrost simulation analysis and optimization, the defrost duct, grille and other related models must be provided; otherwise, simulation analysis cannot be carried out. During vehicle development, the body interior model with defrost airflow openings is generally provided first, while the defrost duct and grille models are generally provided later than the body interior model. When conducting simulation, analysis and optimization can only be carried out after all models are provided.

[0004] However, if analysis and optimization are carried out after all models are provided, there will be a lag in the simulation nodes. At the same time, when simulation cannot be carried out, the opening size and position of the interior data defrost vents are generally calibrated based on experience. However, the empirical verification lacks the support of simulation results and cannot be quantitatively analyzed, resulting in large errors. Summary of the Invention

[0005] The present invention aims to solve at least one of the technical problems existing in the prior art.

[0006] To this end, the first object of the present invention is to propose a grille equivalent simulation method for defrost air outlets, which makes the grilles of the front window air outlet and the side window air outlet equivalent by determining the air flow velocity at the positions of the grilles of the front window air outlet and the side window air outlet, and the air flow direction of the front window air outlet and the side window air outlet in at least one direction, thereby achieving the purpose of performing defrost simulation without providing a grille model, greatly advancing the nodes of the defrost simulation, and the simulation nodes are before the grille model design, so as to provide data support for the design of the grille model based on the simulation results and reduce errors.

[0007] To this end, a second object of the present invention is to provide a grille equivalent device for a defrost air outlet.

[0008] In order to achieve the above-mentioned objectives, an embodiment of the first aspect of the present invention proposes an equivalent simulation method for a defrost air outlet grille, the method comprising: determining a wind-receiving area corresponding to the grille of the front window air outlet and the grille of the side window air outlet; determining the air flow velocity at the position where the grille of the front window air outlet and the grille of the side window air outlet are located; determining the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate values of the wind-receiving area in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameters of the front window air outlet and the side window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the first direction, the second direction and the third direction Coordinate values; determine the airflow direction of the front window air outlet and the side window air outlet in at least one of the directions according to the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate values of the wind-receiving area in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameters of the front window air outlet and the side window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, and the maximum coordinate value and minimum coordinate value of the wind-receiving area in the first direction, the second direction and the third direction; and perform equivalent airflow of the front window air outlet grille and the side window air outlet grille according to the airflow direction and the airflow velocity of the front window air outlet and the side window air outlet in at least one of the directions.

[0009] According to the grille equivalent simulation method of the defrost air outlet according to the embodiment of the present invention, the grilles of the front window air outlet and the side window air outlet are equivalent by determining the air flow velocity at the position of the grilles of the front window air outlet and the side window air outlet, and the air flow direction of the front window air outlet and the side window air outlet in at least one direction, thereby achieving the purpose of performing defrost simulation without providing a grille model, greatly advancing the nodes of the defrost simulation, and the simulation nodes are before the grille model design, so as to provide data support for the design of the grille model according to the simulation results, thereby reducing errors.

[0010] In some embodiments, determining the airflow velocity at the locations where the grilles of the front window air outlet and the side window air outlet are located includes: setting the airflow velocity at the locations where the grilles of the front window air outlet and the side window air outlet are located to 0.

[0011] In some embodiments, the front window air outlet includes a front window driver's side air outlet and a front window passenger's side air outlet, and determining the wind receiving area corresponding to the grille of the front window air outlet includes: determining a first wind receiving area corresponding to the grille of the front window driver's side air outlet, a second wind receiving area corresponding to the grille of the front window passenger's side air outlet, and a third wind receiving area corresponding to the grille of the front window driver's side air outlet and the grille of the front window passenger's side air outlet.

[0012] In some embodiments, determining the airflow direction of the front window air outlet in at least one of the directions includes: determining the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the first wind-receiving area in the first direction, the minimum coordinate value of the second wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction; determining the airflow direction of the front window driver's side air outlet in the first direction according to the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the first wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction; determining the airflow direction of the front window passenger side air outlet in the first direction according to the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the second wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction.

[0013] In some embodiments, determining the airflow direction of the front window air outlet in at least one of the directions includes: determining the coverage angle control parameter of the front window main driver side air outlet in the second direction, the minimum coordinate value and the maximum coordinate value of the first wind receiving area in the second direction, the minimum coordinate value and the maximum coordinate value of the front window main driver side air outlet in the second direction, and the scalar value of the front window main driver side air outlet in the second direction; according to the coverage angle control parameter of the front window main driver side air outlet in the second direction, the minimum coordinate value and the maximum coordinate value of the first wind receiving area in the second direction, the minimum coordinate value and the maximum coordinate value of the front window main driver side air outlet in the second direction, and the scalar value of the front window main driver side air outlet in the second direction , determine the airflow direction of the front window passenger side air outlet in the second direction; determine the coverage angle control parameter of the front window passenger side air outlet in the second direction, the maximum coordinate and the minimum coordinate of the second wind receiving area in the second direction, the maximum coordinate and the minimum coordinate of the front window passenger side air outlet in the second direction, and the scalar value of the front window passenger side air outlet in the second direction; determine the airflow direction of the front window passenger side air outlet in the second direction according to the coverage angle control parameter of the front window passenger side air outlet in the second direction, the maximum coordinate and the minimum coordinate of the second wind receiving area in the second direction, the maximum coordinate and the minimum coordinate of the front window passenger side air outlet in the second direction, and the scalar value of the front window passenger side air outlet in the second direction.

[0014] In some embodiments, determining the airflow direction of the front window air outlet in at least one direction includes: determining the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind receiving area in the third direction, the minimum coordinate value of the first wind receiving area in the third direction, the minimum coordinate value of the first wind receiving area and the second wind receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction; determining the airflow direction of the front window driver side air outlet in the third direction according to the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind receiving area in the third direction, the minimum coordinate value of the first wind receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction; determining the airflow direction of the front window passenger side air outlet in the third direction according to the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind receiving area in the third direction, the minimum coordinate value of the second wind receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction.

[0015] In some embodiments, the side window air outlet includes a driver's side air outlet and a passenger side air outlet, and determining the wind receiving area corresponding to the grille of the side window air outlet includes: determining a fourth wind receiving area corresponding to the grille of the side window air outlet.

[0016] In some embodiments, determining the airflow direction of the side window air outlet in at least one direction includes: determining the incident angle control parameter of the side window air outlet in the first direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the first direction, and the coordinate value of the target point of the side window air outlet in the first direction; determining the airflow direction of the side window air outlet in the first direction according to the incident angle control parameter of the side window air outlet in the first direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the first direction, and the coordinate value of the target point of the side window air outlet in the first direction.

[0017] In some embodiments, determining the airflow direction of the side window air outlet in at least one direction includes: determining the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the second direction; and determining the airflow direction of the side window air outlet in the second direction based on the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the second direction.

[0018] In some embodiments, determining the airflow direction of the side window air outlet in at least one direction includes: determining the incident angle control parameter of the side window air outlet in the third direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the third direction, and the coordinate value of the target point of the side window air outlet in the third direction; determining the airflow direction of the side window air outlet in the third direction according to the incident angle control parameter of the side window air outlet in the third direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the third direction, and the coordinate value of the target point of the side window air outlet in the third direction.

[0019] In some embodiments, the first direction is along the length of the vehicle, the second direction is along the width of the vehicle, and the third direction is along the height of the vehicle.

[0020] In some embodiments, the target point comprises a centroid point.

[0021] In order to achieve the above-mentioned purpose, an embodiment of the second aspect of the present invention proposes a grille equivalent simulation device for a defrost air outlet, which includes: a first determination module for determining the wind-receiving area corresponding to the grille of the front window air outlet and the grille of the side window air outlet; a second determination module for determining the air flow velocity at the position where the grille of the front window air outlet and the grille of the side window air outlet are located; a third determination module for determining the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate value of the wind-receiving area in the first direction and the third direction, the coordinate value of the target point of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameter of the front window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, the corresponding wind-receiving area in the first direction, the second direction and the third direction The maximum coordinate value and the minimum coordinate value; a fourth determination module, used to determine the airflow direction of the front window air outlet and the side window air outlet in at least one direction according to the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate value of the wind-receiving area in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameter of the front window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, and the maximum coordinate value and minimum coordinate value of the wind-receiving area in the first direction, the second direction and the third direction; an equivalent module, used to perform equivalence on the grille of the front window air outlet and the grille of the side window air outlet according to the airflow direction and the airflow velocity of the front window air outlet and the side window air outlet in at least one direction.

[0022] According to the grille equivalent device of the defrost air outlet in an embodiment of the present invention, the grilles of the front window air outlet and the side window air outlet are equivalent by determining the air flow velocity at the positions of the grilles of the front window air outlet and the side window air outlet, and the air flow direction of the front window air outlet and the side window air outlet in at least one direction, thereby achieving the purpose of performing defrost simulation without providing a grille model, greatly advancing the nodes of the defrost simulation, and the simulation nodes are before the grille model design, so as to provide data support for the design of the grille model according to the simulation results, thereby reducing errors.

[0023] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0025] Figure 1 Schematic diagram of the distribution of the grilles of the front window air outlet and the side window air outlet and the corresponding wind-receiving areas according to one embodiment of the present invention;

[0026] Figure 2 is a schematic diagram of the distribution of grilles of a front window air outlet according to one embodiment of the present invention;

[0027] Figure 3 is a schematic diagram of the distribution of grilles of a side window air outlet according to one embodiment of the present invention;

[0028] Figure 4 is a flow chart of a grille equivalent simulation method for a defrost air outlet according to an embodiment of the present invention;

[0029] Figure 5 is a schematic diagram of the airflow coverage angle of the grille of the front window air outlet in the second direction according to one embodiment of the present invention;

[0030] Figure 6 is a schematic diagram of the incident angle of the front window air outlet on the first plane according to one embodiment of the present invention;

[0031] Figure 7 is a schematic diagram of the incident angle of the side window air outlet on the first plane according to one embodiment of the present invention;

[0032] Figure 8 is a schematic diagram of the incident angle of the side window air outlet on the second plane according to one embodiment of the present invention;

[0033] Figure 9 4 is a block diagram of a grille equivalent device of a defrost air outlet according to an embodiment of the present invention. DETAILED DESCRIPTION

[0034] The embodiments of the present invention will be described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention will be described in detail below.

[0035] The grille of the defrost air outlet can affect the defrost airflow in two aspects, namely, the grille's obstruction effect on the airflow and the grille's guiding effect on the airflow. Specifically, the grille's obstruction effect on the airflow is due to the existence of the grille. The airflow will be blocked to a certain extent when flowing through the grille, so that there is no defrost airflow in the area blocked by the grille; the grille's guiding effect on the airflow is due to the fact that the grille is generally blade-shaped. The direction of the airflow will change when flowing through the grille, so that the airflow covers the windward area of the window more evenly, so as to achieve the purpose of defrosting the vehicle. Therefore, by equating the two effects of the grille on the airflow, the purpose of carrying out defrost simulation can be achieved without providing a grille model.

[0036] like Figure 1 FIG. 1 is a schematic diagram showing the distribution of the grilles of the front window air outlet and the side window air outlet and the corresponding wind receiving areas according to an embodiment of the present invention. Figure 1 It can be seen that the front window air outlet and the side window air outlet each correspond to a different wind-exposed area. In different wind-exposed areas, there are certain differences in the obstruction and guidance of the airflow by the grille.

[0037] For example, if Figure 2 FIG. 1 is a schematic diagram showing the distribution of the grilles of the front window air outlet according to an embodiment of the present invention. Figure 2 It can be seen that the length and width of the front window air outlet are relatively large. Therefore, the distribution of the airflow in the width direction of the vehicle, that is, the distribution of the airflow in the second direction is quite different. The second direction is the Y direction, and the closer to the width edge of the vehicle in the Y direction, the smaller the airflow velocity. Therefore, an attenuation coefficient should be set for the airflow velocity of the front window air outlet to simulate the uniform change of the defrost airflow velocity.

[0038] like Figure 3 FIG. 1 is a schematic diagram showing the distribution of the grilles of the side window air outlet according to an embodiment of the present invention. Figure 3 As can be seen, the side window grilles have a relatively small aspect ratio across the vehicle's length and width, resulting in a relatively uniform airflow velocity distribution. No attenuation coefficient is required for these grilles to simulate the uniform variation of defrost airflow velocity. Because the number and thickness of grilles are unknown in the early stages of design, the addition of the grille thickness and grille spacing parameters during grille equivalence allows simulation of any thickness and number of grilles, facilitating parametric analysis.

[0039] The following example illustrates an equivalent simulation method for the defrost air outlet grille based on the above-mentioned settings of the front window air outlet grille and the side window air outlet.

[0040] Reference below Figure 4-Figure 8 Describe the grille equivalent simulation method of the defrost air outlet according to the embodiment of the present invention, such as Figure 4As shown, the grille equivalent simulation method of the defrost air outlet according to the embodiment of the present invention includes at least steps S1 to S5.

[0041] Step S1 : determining the wind receiving areas corresponding to the grilles of the front window air outlet and the grilles of the side window air outlet.

[0042] Among them, the wind-receiving area is the area that can be covered by the airflow when the front window air outlet and the side window air outlet pass through the grille. The grille of the front window air outlet and the grille of the side window air outlet are set in different positions, so their corresponding wind-receiving areas are different.

[0043] For example, if Figure 1 As shown, the front window grille corresponds to the first, second, and third wind receiving areas, namely, areas A, A', and B. The side window grille corresponds to the fourth wind receiving area, namely, area D. The wind receiving areas corresponding to the front and side window grilles are determined to determine the equivalent airflow guidance of the grilles.

[0044] Step S2: determining the air flow velocity at the locations of the grilles of the front window air outlet and the grilles of the side window air outlet.

[0045] In an embodiment, when the air flow passes through the grilles of the front window air outlet and the side window air outlet, the grilles of the front window air outlet and the side window air outlet have an obstructive effect on the air flow, and the air flow will be blocked to a certain extent when flowing through the grilles, resulting in a windless area behind the grilles of the front window air outlet and the side window air outlet. Therefore, the air flow velocity at the position where the grilles of the front window air outlet and the side window air outlet are located is set to zero to simulate the obstruction of the air flow by the grilles of the front window air outlet and the side window air outlet.

[0046] Step S3, determine the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the minimum coordinate values of the corresponding wind-receiving areas in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameters of the front window air outlet in the second direction, the maximum coordinate value and the minimum coordinate value of the corresponding wind-receiving areas in the second direction, the maximum coordinate value and the minimum coordinate value of the front window air outlet in the second direction, and the maximum coordinate value and the minimum coordinate value of the corresponding wind-receiving areas in the first direction, the second direction and the third direction.

[0047] In the embodiment, the airflow direction is a vector, so when the guiding effect on the airflow is equivalent, it is necessary to perform the equivalent in the first direction, the second direction, and the third direction, that is, in the X direction, the Y direction, and the Z direction.

[0048] For example, if Figure 5FIG. 1 is a schematic diagram of the airflow coverage angle of the grille of the front window air outlet in the second direction according to an embodiment of the present invention. Figure 5 It can be seen that the coverage angle of the grille of the front window air outlet in the second direction, that is, the coverage angle along the vehicle width direction.

[0049] like Figure 6 FIG. 1 is a schematic diagram of the incident angle of the front window air outlet on the first plane according to an embodiment of the present invention, that is, the incident angle of the front window air outlet on the XZ plane.

[0050] like Figure 7 Figure 2 shows a schematic diagram of the incident angle of the side window air outlet on a first plane according to one embodiment of the present invention. Specifically, it shows the incident angle of the side window air outlet on the XZ plane. It is understood that by adjusting the coverage angle control parameters of the front window air outlet grille in the second direction, the incident angle control parameters of the front window air outlet on the first plane, and the incident angle control parameters of the side window air outlet on the first plane, the airflow direction of the front and side window air outlets can be adjusted, facilitating the determination of optimal airflow incident angles.

[0051] When the airflow is equivalent, by determining the maximum coordinate value and the minimum coordinate value of the corresponding wind-receiving area in different directions, the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the coverage angle control parameters of the front window air outlet in the second direction, and the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, by determining the above parameters, it is convenient to determine the airflow direction of the front window air outlet and the side window air outlet in at least one direction according to the parameters.

[0052] Step S4: Determine the airflow direction of the front window air outlet and the side window air outlet in at least one direction based on the incident angle control parameter of the front window air outlet and the side window air outlet on the first plane, the minimum coordinate value of the corresponding wind-receiving area in the first direction and the third direction, the coordinate value of the target point of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameter of the front window air outlet in the second direction, the maximum and minimum coordinate values of the corresponding wind-receiving area in the second direction, the maximum and minimum coordinate values of the front window air outlet in the second direction, and the maximum and minimum coordinate values of the corresponding wind-receiving area in the first direction, the second direction, and the third direction. The first plane is the XZ plane.

[0053] In an embodiment, the airflow direction of the front window air outlet and the side window air outlet in at least one direction can be the airflow direction of the front window air outlet and the side window air outlet in one of the first direction, the second direction and the third direction, or the airflow direction of the front window air outlet and the side window air outlet in two of the first direction, the second direction and the third direction, or the airflow direction of the front window air outlet and the side window air outlet in three directions of the first direction, the second direction and the third direction. The airflow directions of the front window air outlet and the side window air outlet in different directions are determined by the above parameters, so as to achieve equivalence to the grille according to the airflow direction in at least one direction.

[0054] Step S5 , performing equivalence on the grilles of the front window air outlet and the side window air outlet according to the airflow direction and airflow velocity of the front window air outlet and the side window air outlet in at least one direction.

[0055] In an embodiment, after determining the air flow velocity at the positions of the grilles of the front window air outlet and the side window air outlet, the obstruction effect of the grilles on the air flow is equivalent according to the air flow velocity, and after determining the air flow direction of the front window air outlet and the side window air outlet in at least one direction, the guiding effect of the grilles on the air flow is equivalent according to the air flow direction in at least one direction. By making the grilles of the front window air outlet and the side window air outlet equivalent, there is no need to perform defrost simulation after providing the grille model, thereby greatly advancing the defrost simulation node, and the simulation node is before the grille model is designed, so as to provide data support for the design of the grille model based on the simulation results.

[0056] According to the grille equivalent simulation method of the defrost air outlet according to the embodiment of the present invention, the grilles of the front window air outlet and the side window air outlet are equivalent by determining the air flow velocity at the position of the grilles of the front window air outlet and the side window air outlet, and the air flow direction of the front window air outlet and the side window air outlet in at least one direction, thereby achieving the purpose of performing defrost simulation without providing a grille model, greatly advancing the nodes of the defrost simulation, and the simulation nodes are before the grille model design, so as to provide data support for the design of the grille model according to the simulation results, thereby reducing errors.

[0057] In some embodiments, the front window air outlet includes a front window driver's side air outlet and a front window passenger's side air outlet, and determining the wind receiving area corresponding to the grille of the front window air outlet includes: determining a first wind receiving area corresponding to the grille of the front window driver's side air outlet, a second wind receiving area corresponding to the grille of the front window passenger's side air outlet, and a third wind receiving area corresponding to the grille of the front window driver's side air outlet and the grille of the front window passenger's side air outlet.

[0058] In an embodiment, Figure 1 As shown, the wind receiving area corresponding to the grille of the front window main driver side air outlet is the first wind receiving area, that is, Figure 1Area A in the figure; the wind receiving area corresponding to the front window passenger side air outlet is the second wind receiving area, that is, Figure 1 and the front window main driver side air outlet grille, the front window passenger side air outlet grille corresponding to the third wind area, ie, Figure 1 As for area B, it can be understood that by determining the wind receiving areas corresponding to the grille of the front window main driver side air outlet and the grille of the front window co-driver side air outlet, it is convenient to determine the coordinate values in different directions according to the corresponding wind receiving areas.

[0059] In some embodiments, determining the airflow direction of the front window air outlet in at least one direction includes: determining the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the first wind-receiving area in the first direction, the minimum coordinate value of the second wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction; determining the airflow direction of the front window driver side air outlet in the first direction according to the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the first wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction; determining the airflow direction of the front window passenger side air outlet in the first direction according to the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the second wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction.

[0060] In an embodiment, Figure 1 As shown, when determining the airflow direction of the front window main driver side air outlet in the first direction, it is necessary to determine the coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the first wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane and the coordinate value of the target point of the front window air outlet in the first direction. After determining the above parameters, the airflow direction of the front window main driver side air outlet in the first direction is calculated based on the above parameters.

[0061] When determining the airflow direction of the front window passenger side air outlet in the first direction, it is necessary to determine the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the second wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction. After determining the above parameters, the airflow direction of the front window passenger side air outlet in the first direction is calculated based on the above parameters.

[0062] For example, the calculation formula for the airflow direction of the front window air outlet in the first direction is as follows:

[0063] n x =(1-α)Bxmin +αA xmin -C x

[0064] Among them, n x is the airflow direction of the front window air outlet in the first direction, α is the incident angle control parameter of the front window air outlet on the first plane, B xmin is the minimum coordinate value of the third wind-exposed area in the first direction, A xmin is the minimum coordinate value of the first wind-exposed area and the second wind-exposed area in the first direction, C x is the coordinate value of the target point of the front window air outlet in the first direction.

[0065] In some embodiments, determining the airflow direction of the front window air outlet in at least one of the directions includes: determining the coverage angle control parameter of the front window main driver side air outlet in the second direction, the minimum coordinate value and the maximum coordinate value of the first wind receiving area in the second direction, the minimum coordinate value and the maximum coordinate value of the front window main driver side air outlet in the second direction, and the scalar value of the front window main driver side air outlet in the second direction; determining the airflow direction of the front window main driver side air outlet in the second direction according to the coverage angle control parameter of the front window main driver side air outlet in the second direction, the minimum coordinate value and the maximum coordinate value of the first wind receiving area in the second direction, the minimum coordinate value and the maximum coordinate value of the front window main driver side air outlet in the second direction, and the scalar value of the front window main driver side air outlet in the second direction. Determine the airflow direction of the front window passenger side air outlet in the second direction; determine the coverage angle control parameter of the front window passenger side air outlet in the second direction, the maximum coordinate and the minimum coordinate of the second wind receiving area in the second direction, the maximum coordinate and the minimum coordinate of the front window passenger side air outlet in the second direction, and the scalar value of the front window passenger side air outlet in the second direction; determine the airflow direction of the front window passenger side air outlet in the second direction according to the coverage angle control parameter of the front window passenger side air outlet in the second direction, the maximum coordinate and the minimum coordinate of the second wind receiving area in the second direction, the maximum coordinate and the minimum coordinate of the front window passenger side air outlet in the second direction, and the scalar value of the front window passenger side air outlet in the second direction.

[0066] In an embodiment, when determining the airflow direction of the front window main driver side air outlet in the second direction, it is necessary to determine the coverage angle control parameters of the front window main driver side air outlet in the second direction, the minimum coordinate value and the maximum coordinate value of the first wind-receiving area in the second direction, the minimum coordinate value and the maximum coordinate value of the front window main driver side air outlet in the second direction, and the scalar value of the front window main driver side air outlet in the second direction. After determining the above parameters, the airflow direction of the front window main driver side air outlet in the second direction is calculated based on the above parameters.

[0067] When determining the airflow direction of the front window passenger side air outlet in the second direction, it is necessary to determine the coverage angle control parameters of the front window passenger side air outlet in the second direction, the maximum coordinate and minimum coordinate of the second wind-receiving area in the second direction, the maximum coordinate and minimum coordinate of the front window passenger side air outlet in the second direction, and the scalar value of the front window passenger side air outlet in the second direction. After determining the above parameters, the airflow direction of the front window passenger side air outlet in the second direction is calculated based on the above parameters.

[0068] For example, the calculation formula for the airflow direction of the front window main driver side air outlet in the second direction is as follows:

[0069]

[0070] Among them, n y is the airflow direction of the front window outlet in the second direction, β l is the coverage angle control parameter of the front window main driver side air outlet in the second direction, A lymin is the minimum coordinate value of the first wind-exposed area in the second direction, A lymax is the maximum coordinate value of the first wind-exposed area in the second direction, C lymin is the minimum coordinate value of the front window main driver side air outlet in the second direction, C lymax is the maximum coordinate value of the front window main driver side air outlet in the second direction, and y is the scalar value of the front window main driver side air outlet in the second direction.

[0071] The calculation formula for the airflow direction of the front window passenger side air outlet in the second direction is as follows:

[0072]

[0073] Among them, n y is the airflow direction of the front window outlet in the second direction, β r is the coverage angle control parameter of the front window passenger side air outlet in the second direction, A rymax is the maximum coordinate value of the second wind-exposed area in the second direction, A rymin is the minimum coordinate value of the second wind-exposed area in the second direction, C rymax is the maximum coordinate value of the front window passenger side air outlet in the second direction, C rymin is the minimum coordinate value of the front window passenger side air outlet in the second direction, and y is the scalar value of the front window passenger side air outlet in the second direction.

[0074] In some embodiments, determining the airflow direction of the front window air outlet in at least one direction includes: determining the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind receiving area in the third direction, the minimum coordinate value of the first wind receiving area in the third direction, the minimum coordinate values of the first wind receiving area and the second wind receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction; determining the airflow direction of the front window air outlet in the third direction according to the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind receiving area in the third direction, the minimum coordinate value of the first wind receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction; determining the airflow direction of the front window air outlet in the third direction according to the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind receiving area in the third direction, the minimum coordinate value of the second wind receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction.

[0075] In an embodiment, when determining the airflow direction of the front window main driver side air outlet in the third direction, it is necessary to determine the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind-receiving area in the third direction, the minimum coordinate value of the first wind-receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction. After determining the above parameters, the airflow direction of the front window main driver side air outlet in the third direction is calculated based on the above parameters.

[0076] When determining the airflow direction of the front window passenger side air outlet in the third direction, it is necessary to determine the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind-receiving area in the third direction, the minimum coordinate value of the second wind-receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction. After determining the above parameters, calculate the airflow direction of the front window passenger side air outlet in the third direction based on the above parameters.

[0077] For example, the calculation formula for the airflow direction of the front window air outlet in the third direction is as follows:

[0078] n z =(1-α)B zmin +αA zmin -C z

[0079] Among them, n z is the airflow direction of the front window outlet in the third direction, α is the incident angle control parameter of the front window outlet on the first plane, B zmin A is the minimum coordinate value of the third wind-exposed area in the third direction, zmin is the minimum coordinate value of the first wind-exposed area and the second wind-exposed area in the third direction, C zThe coordinate value of the target point of the front window air outlet in the third direction.

[0080] It can be understood that by adjusting the incident angle control parameter α of the front window air outlet on the first plane and the coverage angle control parameter β of the front window main driver side air outlet in the second direction, l , the coverage angle control parameter β of the front window passenger side air outlet in the second direction r The three parameters can realize the adjustment of the front window defrost air outlet to any wind direction, realize parametric analysis, and thus determine the optimal airflow incident angle.

[0081] In some embodiments, the side window air outlet includes a driver's side air outlet and a passenger's side air outlet, and determining the wind receiving area corresponding to the grille of the side window air outlet includes: determining a fourth wind receiving area corresponding to the grille of the side window air outlet.

[0082] In an embodiment, Figure 1 As shown, the calculation for the airflow guidance effect of the driver's side and passenger side air outlets is the same. Therefore, using the driver's side air outlet as an example, the fourth wind receiving area corresponding to the side window air outlet grille, namely area D, is determined. By determining the wind receiving area corresponding to the side window air outlet grille, it is convenient to determine the coordinate values of the corresponding wind receiving area in different directions.

[0083] In some embodiments, determining the airflow direction of the side window air outlet in at least one direction includes: determining the incident angle control parameter of the side window air outlet in the first direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the first direction, and the coordinate value of the target point of the side window air outlet in the first direction; determining the airflow direction of the side window air outlet in the first direction based on the incident angle control parameter of the side window air outlet in the first direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the first direction, and the coordinate value of the target point of the side window air outlet in the first direction.

[0084] In an embodiment, when determining the airflow direction of the side window air outlet in the first direction, it is necessary to determine the incident angle control parameters of the side window air outlet in the first direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the first direction, and the coordinate value of the target point of the side window air outlet in the first direction. After determining the above parameters, the airflow direction of the side window air outlet in the first direction is calculated based on the above parameters.

[0085] For example, the calculation formula for the airflow direction of the side window air outlet in the first direction is as follows:

[0086] m x =(1-γ x )D xmin +γ x D xmax -L x

[0087] Among them, m x is the airflow direction of the side window air outlet in the first direction, γ x is the incident angle control parameter of the fourth wind-exposed area in the first direction, D xmin is the minimum coordinate value of the fourth wind-exposed area in the first direction, D xmax is the maximum coordinate value of the fourth wind-exposed area in the first direction, L x is the coordinate value of the target point of the side window air outlet in the first direction.

[0088] In some embodiments, determining the airflow direction of the side window air outlet in at least one direction includes: determining the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the second direction; determining the airflow direction of the side window air outlet in the second direction based on the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the second direction.

[0089] In an embodiment, when determining the airflow direction of the side window air outlet in the second direction, it is necessary to determine the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the second direction, and determine the airflow direction of the side window air outlet in the second direction based on the above parameters.

[0090] For example, the calculation formula for the airflow direction of the side window air outlet in the second direction is as follows:

[0091] m y =0.5(D ymin +D ymax )

[0092] Among them, m y is the airflow direction of the side window air outlet in the second direction, D ymin is the minimum coordinate value of the fourth wind-exposed area in the second direction, D ymax is the maximum coordinate value of the fourth wind-exposed area in the second direction.

[0093] In some embodiments, determining the airflow direction of the side window air outlet in at least one direction includes: determining the incident angle control parameters of the side window air outlet in the third direction, the minimum coordinate value and the maximum coordinate value of the fourth wind receiving area in the third direction, and the coordinate value of the target point of the side window air outlet in the third direction; determining the airflow direction of the side window air outlet in the third direction based on the incident angle control parameters of the side window air outlet in the third direction, the minimum coordinate value and the maximum coordinate value of the fourth wind receiving area in the third direction, and the coordinate value of the target point of the side window air outlet in the third direction.

[0094] In an embodiment, when determining the airflow direction of the side window air outlet in the third direction, it is necessary to determine the incident angle control parameters of the side window air outlet in the third direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the third direction, and the coordinate value of the target point of the side window air outlet in the third direction, and determine the airflow direction of the side window air outlet in the third direction based on the above parameters.

[0095] For example, the calculation formula for the airflow direction of the side window air outlet in the third direction is as follows:

[0096] m z =(1-γ z )D zmin +γ z D zmax -L z

[0097] Among them, m z is the airflow direction of the side window outlet in the third direction, γ z is the incident angle control parameter of the side window air outlet in the third direction, D zmin is the minimum coordinate value of the fourth wind-exposed area in the third direction, D zmax is the maximum coordinate value of the fourth wind-exposed area in the third direction, L z The coordinate value of the target point of the side window air outlet in the third direction.

[0098] It can be understood that when determining the airflow direction of the side window air outlet in at least one direction, the incident angle control parameters of the side window air outlet in the third direction and the first direction are adjusted to achieve the adjustment of the airflow direction of the side window air outlet, which facilitates parametric analysis to determine a better airflow incident angle.

[0099] In some embodiments, the first direction is along the length of the vehicle, the second direction is along the width of the vehicle, and the third direction is along the height of the vehicle. It is understood that the first direction is the X direction, which is along the length of the vehicle, the second direction is the Y direction, which is along the width of the vehicle, and the third direction is the Z direction, which is along the height of the vehicle.

[0100] In some embodiments, the target point includes a centroid point. For example, the target points of the front window air outlet and the side window air outlet can be centroid points. Therefore, the coordinate values of the target point coordinates of the front window air outlet in the first direction or the third direction can be the centroid coordinates of the front window air outlet in the first direction or the third direction.

[0101] In other embodiments, the target point coordinates of the front window air outlet and the side window air outlet may also be the coordinate values of a certain feature point in the first direction or the third direction, for example, the average value of the maximum coordinate value and the minimum coordinate value of a certain feature point of the front window air outlet in the first direction or the third direction.

[0102] In other embodiments, Figure 8 Figure 2 is a schematic diagram of the incident angle of a side window air outlet on a second plane according to another embodiment of the present invention. The airflow guidance effect of the grille of the side window air outlet can be along the incident angle on the first plane, i.e., the incident angle on the XZ plane, or along the incident angle on the second plane, i.e., the incident angle on the XY plane.

[0103] In summary, the grille equivalent simulation method for the defrost air outlet of the embodiment of the present invention, by making the obstruction and guiding effects of the grille on the airflow equivalent, avoids the problem that the defrost steady-state simulation cannot be carried out when the grille-free model is designed in the early stage, and parameterizes the grille thickness, grille spacing, airflow direction of the front window air outlet, and airflow direction of the side window air outlet to obtain the optimal grille thickness and spacing and the optimal airflow incident angle, thereby providing quantitative support for the grille and air duct design.

[0104] According to the grille equivalent simulation method of the defrost air outlet according to the embodiment of the present invention, the grilles of the front window air outlet and the side window air outlet are equivalent by determining the air flow velocity at the position of the grilles of the front window air outlet and the side window air outlet, and the air flow direction of the front window air outlet and the side window air outlet in at least one direction, thereby achieving the purpose of performing defrost simulation without providing a grille model, greatly advancing the nodes of the defrost simulation, and the simulation nodes are before the grille model design, so as to provide data support for the design of the grille model according to the simulation results, thereby reducing errors.

[0105] The following describes a grille equivalent simulation device for a defrost air outlet according to an embodiment of the present invention.

[0106] like Figure 9As shown, the grille equivalent device 2 of the defrost air outlet of the embodiment of the present invention includes a first determining module 20, a second determining module 21, a third determining module 22, a fourth determining module 23 and an equivalent module 24, wherein the first determining module 20 is used to determine the wind receiving area corresponding to the grille of the front window air outlet and the grille of the side window air outlet; the second determining module 21 is used to determine the air flow velocity at the position of the grille of the front window air outlet and the grille of the side window air outlet; the third determining module 22 is used to determine the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the minimum coordinate value of the corresponding wind receiving area in the first direction and the third direction, the coordinate value of the target point of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameters of the front window air outlet and the side window air outlet in the second direction, the maximum coordinate value and the minimum coordinate value of the corresponding wind receiving area in the second direction, the maximum coordinate value and the minimum coordinate value of the front window air outlet in the second direction, the corresponding wind receiving area The maximum coordinate value and the minimum coordinate value of the wind area in the first direction, the second direction and the third direction; the fourth determination module 23 is used to determine the airflow direction of the front window air outlet and the side window air outlet in at least one direction according to the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate value of the wind-receiving area in the first direction and the third direction, the coordinate value of the target point of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameters of the front window air outlet and the side window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, and the maximum coordinate value and minimum coordinate value of the corresponding wind-receiving area in the first direction, the second direction and the third direction; an equivalent module is used to perform equivalence on the front window air outlet grille and the side window air outlet grille according to the airflow direction and airflow velocity of the front window air outlet and the side window air outlet in at least one direction.

[0107] According to the grille equivalent simulation device 2 for the defrost air outlet of an embodiment of the present invention, the grilles of the front window air outlet and the side window air outlet are equivalent by determining the air flow velocity at the positions of the grilles of the front window air outlet and the side window air outlet, and the air flow direction of the front window air outlet and the side window air outlet in at least one direction, thereby achieving the purpose of performing defrost simulation without providing a grille model, greatly advancing the nodes of the defrost simulation, and the simulation nodes are before the grille model design, so as to provide data support for the design of the grille model according to the simulation results, thereby reducing errors.

[0108] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "example," "specific example," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0109] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A defrost air outlet grille equivalent simulation method, characterized in that: include: Determine the wind receiving areas corresponding to the grilles of the front window air outlet and the grilles of the side window air outlet; Determining airflow velocities at locations where the grilles of the front window air outlet and the grilles of the side window air outlet are located; Determine the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate values of the wind-receiving area in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameter of the front window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, and the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the first direction, the second direction, and the third direction; determining the airflow direction of the front window air outlet and the side window air outlet in at least one direction according to the incident angle control parameters of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate values of the wind-receiving area in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameter of the front window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, and the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the first direction, the second direction, and the third direction; The grilles of the front window air outlet and the side window air outlet are equivalent according to the airflow direction and the airflow speed of the front window air outlet and the side window air outlet in at least one direction.

2. The grille equivalent simulation method of the defrost air outlet according to claim 1, characterized in that: Determining the airflow velocity at the locations of the front window air outlet grilles and the side window air outlet grilles includes: The air flow velocity at the locations where the grilles of the front window air outlet and the grilles of the side window air outlet are located is set to 0.

3. The grille equivalent simulation method of the defrost air outlet according to claim 1, characterized in that: The front window air outlet includes a front window driver side air outlet and a front window passenger side air outlet, and determining the wind receiving area corresponding to the grille of the front window air outlet includes: Determine a first wind receiving area corresponding to the grille of the front window main driver side air outlet, a second wind receiving area corresponding to the grille of the front window passenger side air outlet, and a third wind receiving area corresponding to the grille of the front window main driver side air outlet and the grille of the front window passenger side air outlet.

4. The grille equivalent simulation method of the defrost air outlet according to claim 3, characterized in that: Determining the airflow direction of the front window air outlet in at least one of the directions includes: Determining a minimum coordinate value of the third wind-receiving area in the first direction, a minimum coordinate value of the first wind-receiving area in the first direction, a minimum coordinate value of the second wind-receiving area in the first direction, an incident angle control parameter of the front window air outlet on the first plane, and a coordinate value of a target point of the front window air outlet in the first direction; determining an airflow direction of the front window main driver side air outlet in the first direction based on the minimum coordinate value of the third wind receiving area in the first direction, the minimum coordinate value of the first wind receiving area in the first direction, an incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction; The airflow direction of the front window passenger side air outlet in the first direction is determined based on the minimum coordinate value of the third wind-receiving area in the first direction, the minimum coordinate value of the second wind-receiving area in the first direction, the incident angle control parameter of the front window air outlet on the first plane, and the coordinate value of the target point of the front window air outlet in the first direction.

5. The grille equivalent simulation method of the defrost air outlet according to claim 3, characterized in that: Determining the airflow direction of the front window air outlet in at least one of the directions includes: Determining a coverage angle control parameter of the front window main driver side air outlet in the second direction, a minimum coordinate value and a maximum coordinate value of the first wind receiving area in the second direction, a minimum coordinate value and a maximum coordinate value of the front window main driver side air outlet in the second direction, and a scalar value of the front window main driver side air outlet in the second direction; determining an airflow direction of the front window main driver side air outlet in the second direction based on a coverage angle control parameter of the front window main driver side air outlet in the second direction, a minimum coordinate value and a maximum coordinate value of the first wind receiving area in the second direction, a minimum coordinate value and a maximum coordinate value of the front window main driver side air outlet in the second direction, and a scalar value of the front window main driver side air outlet in the second direction; Determining a coverage angle control parameter of the front window passenger side air outlet in the second direction, a maximum coordinate and a minimum coordinate of the second wind receiving area in the second direction, a maximum coordinate and a minimum coordinate of the front window passenger side air outlet in the second direction, and a scalar value of the front window passenger side air outlet in the second direction; The airflow direction of the front window passenger side air outlet in the second direction is determined based on the coverage angle control parameter of the front window passenger side air outlet in the second direction, the maximum coordinate and the minimum coordinate of the second wind-receiving area in the second direction, the maximum coordinate and the minimum coordinate of the front window passenger side air outlet in the second direction, and the scalar value of the front window passenger side air outlet in the second direction.

6. The grille equivalent simulation method of the defrost air outlet according to claim 3, characterized in that: Determining the airflow direction of the front window air outlet in at least one direction includes: determining a control parameter of the front window air outlet at an incident angle on a first plane, a minimum coordinate value of the third wind receiving area in a third direction, a minimum coordinate value of the first wind receiving area in the third direction, a minimum coordinate value of the first wind receiving area and the second wind receiving area in the third direction, and a coordinate value of a target point of the front window air outlet in the third direction; determining an airflow direction of the front window main driver side air outlet in the third direction based on a control parameter of the front window air outlet at an incident angle on a first plane, a minimum coordinate value of the third wind receiving area in the third direction, a minimum coordinate value of the first wind receiving area in the third direction, and a coordinate value of a target point of the front window air outlet in the third direction; The airflow direction of the front window passenger side air outlet in the third direction is determined based on the control parameters of the front window air outlet at the incident angle on the first plane, the minimum coordinate value of the third wind-receiving area in the third direction, the minimum coordinate value of the second wind-receiving area in the third direction, and the coordinate value of the target point of the front window air outlet in the third direction.

7. The grille equivalent simulation method of the defrost air outlet according to claim 1, characterized in that: The side window air outlet includes a driver's side air outlet and a passenger's side air outlet. Determining the wind receiving area corresponding to the grille of the side window air outlet includes: determining a fourth wind receiving area corresponding to the grille of the side window air outlet.

8. The grille equivalent simulation method of the defrost air outlet according to claim 7, characterized in that: Determining the airflow direction of the side window air outlet in at least one direction includes: Determining an incident angle control parameter of the side window air outlet in the first direction, a minimum coordinate value and a maximum coordinate value of the fourth wind receiving area in the first direction, and a coordinate value of a target point of the side window air outlet in the first direction; The airflow direction of the side window air outlet in the first direction is determined based on the incident angle control parameter of the side window air outlet in the first direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the first direction, and the coordinate value of the target point of the side window air outlet in the first direction.

9. The grille equivalent simulation method of the defrost air outlet according to claim 7, characterized in that: Determining the airflow direction of the side window air outlet in at least one direction includes: Determining a minimum coordinate value and a maximum coordinate value of the fourth wind-exposed area in the second direction; The airflow direction of the side window air outlet in the second direction is determined according to the minimum coordinate value and the maximum coordinate value of the fourth wind receiving area in the second direction.

10. The grille equivalent simulation method of the defrost air outlet according to claim 7, characterized in that: Determining the airflow direction of the side window air outlet in at least one direction includes: determining an incident angle control parameter of the side window air outlet in the third direction, a minimum coordinate value and a maximum coordinate value of the fourth wind receiving area in the third direction, and a coordinate value of a target point of the side window air outlet in the third direction; The airflow direction of the side window air outlet in the third direction is determined based on the incident angle control parameters of the side window air outlet in the third direction, the minimum coordinate value and the maximum coordinate value of the fourth wind-receiving area in the third direction, and the coordinate value of the target point of the side window air outlet in the third direction.

11. The grille equivalent simulation method for a defrost air outlet according to any one of claims 1 to 10, characterized in that: The first direction is along the length direction of the vehicle, the second direction is along the width direction of the vehicle, and the third direction is along the height direction of the vehicle.

12. The defrost air outlet grille equivalent simulation method according to claim 1, characterized in that: The target point includes a centroid point.

13. A grille equivalent simulation device for a defrost air outlet, characterized in that: include: A first determining module is used to determine the wind receiving area corresponding to the grille of the front window air outlet and the grille of the side window air outlet; A second determining module is used to determine the airflow velocity at the positions of the grille of the front window air outlet and the grille of the side window air outlet; a third determination module, for determining an incident angle control parameter of the front window air outlet and the side window air outlet on a first plane, the corresponding minimum coordinate values of the wind-receiving area in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, a coverage angle control parameter of the front window air outlet in a second direction, the corresponding maximum and minimum coordinate values of the wind-receiving area in the second direction, the maximum and minimum coordinate values of the front window air outlet in the second direction, and the corresponding maximum and minimum coordinate values of the wind-receiving area in the first direction, the second direction, and the third direction; a fourth determining module, for determining the airflow direction of the front window air outlet and the side window air outlet in at least one direction based on the incident angle control parameter of the front window air outlet and the side window air outlet on the first plane, the corresponding minimum coordinate value of the wind-receiving area in the first direction and the third direction, the coordinate values of the target points of the front window air outlet and the side window air outlet in the first direction and the third direction, the coverage angle control parameter of the front window air outlet in the second direction, the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the second direction, the maximum coordinate value and minimum coordinate value of the front window air outlet in the second direction, and the corresponding maximum coordinate value and minimum coordinate value of the wind-receiving area in the first direction, the second direction and the third direction; An equivalent module is used to perform equivalence on the grille of the front window air outlet and the grille of the side window air outlet according to the air flow direction and the air flow speed of the front window air outlet and the side window air outlet in at least one direction.

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