CN116432307A - Side defrosting air port arrangement checking method - Google Patents

Abstract

The invention relates to a side defrosting air port arrangement checking method, which comprises the steps of determining input conditions required by checking; forming a visual area on the intersection line of the inner surface of the side door glass based on a visual field area formed by the center point of the driver visual field eye ellipse and the outline of the outer rearview mirror by the input condition; and the minimum arrangement area of the defrosting air port on the side to be verified on the instrument panel is formed by the visible area. According to the method for arranging and checking the side defrosting air port, the visual field area formed by the eye ellipse center point and the outline of the outer rearview mirror is formed on the intersection line of the inner surface of the side door glass, the minimum arrangement area of the side defrosting air port on the upper side of the instrument panel is formed in three-dimensional CAD software, the defrosting and defogging mode can be ensured to be started in the running process of the vehicle, and the driving safety is ensured by quickly defrosting and defogging through the side defrosting air port; the method meets the arrangement requirements of side defrosting air openings of most vehicle types from the man-machine engineering perspective, has defrosting and demisting properties and attractive appearance, and is suitable for all passenger vehicles.

Description

Side defrosting air port arrangement checking method

Technical Field

The invention belongs to the technical field of automobiles, and particularly relates to a side defrosting air port arrangement checking method.

Background

In the area of both sides of header board upper portion, generally need have side defrosting wind gap, the wind that the air conditioner assembly produced flows through the instrument board wind channel, and the grid blade direction through side defrosting wind gap blows out the wind, is used for getting rid of the fog on the side door glass to make the driver see clearly both sides outside rear-view mirror, avoid the driver to see not clearly outside rear-view mirror and the field of vision is restricted, guarantee the safety of traveling.

Because the side defrosting air port is not provided with a quantitatively-arranged checking method, the side defrosting air port is generally drawn by modeling professions according to aesthetic requirements, and the designed side defrosting air port cannot effectively defrost and defog side door glass, so that driving experience is affected. Based on this, there is an urgent need to develop a side defrost vent arrangement checking method to effectively solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a checking method for arranging side defrosting air openings based on an eye ellipse center point and quantifiable in engineering, so as to solve the problem of quantification of the positions of the side defrosting air openings.

The invention aims at realizing the following technical scheme:

a side defrosting air port arrangement checking method comprises the following steps:

A. determining input conditions required by checking;

B. forming a visual area on the intersection line of the inner surface of the side door glass based on a visual field area formed by the center point of the driver visual field eye ellipse and the outline of the outer rearview mirror by the input condition;

C. the minimum arrangement area of the side defrosting air port to be verified on the instrument board is formed by the visible area, so that the vehicle can be guaranteed to start a defrosting and defogging mode in the driving process, and the side defrosting air port can be used for defrosting and defogging rapidly.

Further, the input conditions include driver's eye ellipse center point V1, side door glass inner surface, a pillar upper cover, door cover, instrument panel CAS surface, and outside mirror surface information.

Further, step B is specifically: and forming an envelope surface by the eye ellipse center point V1 and the outline of the side rearview mirror to be checked, and intersecting the envelope surface with the inner surface of the side door glass to obtain a curve M.

Further, step C specifically comprises the following steps:

c1, making a section on the upper part of the door guard plate through a curve M and a closest point U of the door guard plate, and intersecting the section with an instrument board to obtain a curve X1;

c2, making a section of the A column upper guard plate through a closest point W of the intersecting line M and the A column guard plate, and intersecting the section with an instrument board to obtain a curve X2;

c3, intersecting a formed vertical plane which deviates a certain distance from the boundary of the side to be checked of the instrument board into the vehicle on the instrument board to obtain a curve X3;

and C4, in the area formed by the upper curves X1, X2 and X3 of the instrument panel and the upper boundary of the instrument panel, the minimum arrangement area of the defrosting air port on the side to be checked is obtained.

Still further, in step C3, the certain distance is 120mm.

Compared with the prior art, the invention has the beneficial effects that:

the invention relates to a side defrosting air port arrangement checking method, which is based on a driver visual field eye ellipse center point, in particular to a visual field area formed by the eye ellipse center point and an outer rearview mirror contour, wherein a visual area is formed on the intersection line of the inner surface of side door glass, and the minimum arrangement area of a side defrosting air port on an instrument panel is made in three-dimensional CAD software, so that a defrosting and demisting mode can be ensured to be started in the running process of a vehicle, and the driving safety is ensured through quick defrosting and demisting of the side defrosting air port; the method meets the arrangement requirements of side defrosting air openings of most vehicle types from the man-machine engineering perspective, has defrosting and demisting properties and attractive appearance, and is suitable for all passenger vehicles.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the location of a defrost vent;

FIG. 2 is a schematic diagram of various input conditions;

FIG. 3 is a schematic diagram of curve M;

FIG. 4 is a schematic diagram of curve X1;

FIG. 5 is a schematic diagram of curve X2;

FIG. 6 is a schematic diagram of curve X3;

FIG. 7 is a schematic view of the left defrost vent arrangement region;

FIG. 8 is a flow chart of an arrangement checking method.

Detailed Description

The invention is further illustrated by the following examples:

the invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.

The invention discloses a method for checking arrangement of a side defrosting air port, which is carried out in three-dimensional CAD software and comprises the following steps:

A. determining input conditions required for checking, wherein the input conditions are used for determining the preconditions required for checking input to an engineer: the input conditions include driver's eye ellipse center point V1, side door glass inner surface, A column upper guard plate, door guard plate, instrument panel CAS surface and outside rearview mirror surface information.

B. A visual field area is formed by the input condition based on the intersection line of the driver visual field eye ellipse center point and the outer rearview mirror outline on the inner surface of the side door glass. This step is used to see the desired side glass transparent area of the exterior rear view mirror.

The method comprises the following steps: and forming an envelope surface by the eye ellipse center point V1 and the outline of the side rearview mirror to be checked, and intersecting the envelope surface with the inner surface of the side door glass to obtain a curve M.

C. The minimum arrangement area of the side defrosting air port to be verified on the instrument board is formed by the visible area, so that the vehicle can be guaranteed to start a defrosting and defogging mode in the driving process, and the side defrosting air port can be used for defrosting and defogging rapidly. This step is used to reverse the leading-out side defroster tuyere minimum arrangement region.

The method specifically comprises the following steps:

c1, making a section on the upper part of the door guard plate through a curve M and a closest point U of the door guard plate, and intersecting the section with an instrument board to obtain a curve X1;

c2, making a section of the A column upper guard plate through a closest point W of the intersecting line M and the A column guard plate, and intersecting the section with an instrument board to obtain a curve X2;

c3, intersecting a formed vertical plane which deviates a certain distance from the boundary of the side to be checked of the instrument board into the vehicle on the instrument board to obtain a curve X3;

and C4, in the area formed by the upper curves X1, X2 and X3 of the instrument panel and the upper boundary of the instrument panel, the minimum arrangement area of the defrosting air port on the side to be checked is obtained.

The side defrosting air port arrangement checking method can enable engineering personnel to make effective side defrosting air port arrangement areas in three-dimensional CAD software. Because the modeling department often hopes that the side defrost vent is as small as possible, and engineering personnel can easily complete the required side defrost vent arrangement area according to the method, the modeling department is a scientific theoretical analysis method formed based on the center point of the driver's eye ellipse and considering the fluid characteristics.

Example 1

A side defrosting air port arrangement checking method comprises the following steps:

1. determining input conditions: the input conditions include driver's eye ellipse center point V1, side door glass inner surface, a-pillar upper panel, door panel, instrument panel CAS surface, and outside mirror information, as shown in fig. 2.

2. The eye ellipse center point V1 and the left side outside rearview mirror contour form an envelope surface, and the envelope surface intersects with the side door glass inner surface to obtain a curve M, as shown in fig. 3.

3. And (4) making a tangent plane on the upper part of the door guard plate through the closest point U of the curve M and the door guard plate, wherein the tangent plane is intersected with the instrument panel to obtain a curve X1, as shown in fig. 4.

4. A section of the A-pillar upper shield is made through the closest point W of the intersection line M and the A-pillar shield, and the section intersects the instrument panel to obtain a curve X2, as shown in FIG. 5.

5. The formed vertical plane, which is offset 120mm toward the inside of the vehicle from the left side boundary of the dash panel, intersects the dash panel to obtain a curve X3, as shown in fig. 6.

6. In the area formed by the upper curves X1, X2, X3 and the upper boundary of the instrument panel, the left defroster air port arrangement area is defined.

Example 2

A side defrosting air port arrangement checking method comprises the following steps:

1. determining input conditions: the input conditions include driver's eye ellipse center point V1, side door glass inner surface, a pillar upper shield, door shield, instrument panel CAS surface, and outside mirror surface information.

2. And forming an envelope surface by the eye ellipse center point V1 and the outline of the right side outer rearview mirror, and intersecting the envelope surface with the inner surface of the side door glass to obtain a curve M.

3. And (3) making a tangent plane at the upper part of the door guard plate through the closest point U of the curve M and the door guard plate, and intersecting the tangent plane with the instrument panel to obtain a curve X1.

4. And (3) making a section of the A column upper guard plate through the closest point W of the intersecting line M and the A column guard plate, and intersecting the section with the instrument board to obtain a curve X2.

5. The right side boundary of the instrument panel is offset by 120mm into the vehicle, and the formed vertical planes intersect on the instrument panel to obtain a curve X3.

6. In the area formed by the upper curves X1, X2, X3 and the upper boundary of the instrument panel, the right defrost air opening arrangement area is defined.

Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.

Claims (5)

1. The side defrosting air port arrangement checking method is characterized by comprising the following steps of:

A. determining input conditions required by checking;

B. forming a visual area on the intersection line of the inner surface of the side door glass based on a visual field area formed by the center point of the driver visual field eye ellipse and the outline of the outer rearview mirror by the input condition;

C. the minimum arrangement area of the side defrosting air port to be verified on the instrument board is formed by the visible area, so that the vehicle can be guaranteed to start a defrosting and defogging mode in the driving process, and the side defrosting air port can be used for defrosting and defogging rapidly.

2. A side defrost tuyere arrangement checking method according to claim 1, wherein: the input conditions include driver's eye ellipse center point V1, side door glass inner surface, A column upper guard plate, door guard plate, instrument panel CAS surface and outside rearview mirror surface information.

3. The method for checking the arrangement of the side defroster air port according to claim 2, wherein the step B is specifically: and forming an envelope surface by the eye ellipse center point V1 and the outline of the side rearview mirror to be checked, and intersecting the envelope surface with the inner surface of the side door glass to obtain a curve M.

4. The side defrost tuyere arrangement checking method according to claim 2, wherein step C specifically comprises the steps of:

c1, making a section on the upper part of the door guard plate through a curve M and a closest point U of the door guard plate, and intersecting the section with an instrument board to obtain a curve X1;

c2, making a section of the A column upper guard plate through a closest point W of the intersecting line M and the A column guard plate, and intersecting the section with an instrument board to obtain a curve X2;

c3, intersecting a formed vertical plane which deviates a certain distance from the boundary of the side to be checked of the instrument board into the vehicle on the instrument board to obtain a curve X3;

and C4, in the area formed by the upper curves X1, X2 and X3 of the instrument panel and the upper boundary of the instrument panel, the minimum arrangement area of the defrosting air port on the side to be checked is obtained.

5. A side defroster tuyere arrangement checking method as recited in claim 4, wherein the certain distance is 120mm in the step C3.

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