Passenger car threshold decorative plate side visibility checking method

Abstract

The invention discloses a passenger car threshold decorative plate side visibility checking method, and belongs to the technical field of automobile design, and the method comprises the steps: obtaining a ground plane S1 based on the circle centers of front and rear wheels of a vehicle; making a straight line perpendicular to the ground plane S1 based on two points on the outermost edge of the doorsill decorative plate, and making a vehicle profile through the straight line; determining a position point P6 where a simulated observer is located and an eye point position point P7 of the simulated observer based on the vehicle profile, and determining a tangent line L5 tangent to the threshold decorative plate based on the point P7; and comprehensively judging whether the lateral visibility is passed or not based on the lowest point of the battery position. According to the method, the side visibility is checked and evaluated in the design stage of the left and right doorsill decorative plates, the bottom battery or the side wall metal plate flanging of the whole vehicle is in an invisible state from the perspective of a user, and the side user perception quality is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile design, and in particular relates to a method for verifying the side visibility of a threshold decorative panel of a passenger car. Background Art

[0002] As the competition in the passenger car market becomes increasingly fierce, user-perceived quality is increasingly valued, and the design of auto parts is becoming more refined to solve the quality problems perceived by users, improve the quality of the entire vehicle, and enhance product competitiveness. The problem of the battery at the bottom of the vehicle or the side panel metal flange visible to users from the side has become a key issue that needs to be considered and avoided during the design process of the left and right door sill trim parts, in order to improve the perceived quality of the entire vehicle and enhance product competitiveness. Summary of the invention

[0003] In view of the defects of the prior art, the present invention proposes a method for verifying the side visibility of the door sill trim of a passenger car. By verifying and evaluating the side visibility during the design stage of the left and right door sill trims, the battery at the bottom of the vehicle or the side panel metal flange is made invisible from the user's perspective, thereby improving the user-perceived quality of the side.

[0004] The present invention is achieved through the following technical solutions:

[0005] A method for checking the side visibility of a threshold trim panel of a passenger vehicle comprises the following steps:

[0006] Step 1: Obtain the ground plane S1 based on the center of the front and rear wheels of the vehicle;

[0007] Step 2: Draw a straight line perpendicular to the ground plane S1 based on two points on the outermost edge of the door sill trim plate, and draw a vehicle cross section through the straight line;

[0008] Step 3: Determine the simulated observer position point P6 and the simulated observer eye point position point P7 based on the vehicle profile, and determine the tangent line L5 tangent to the door sill trim based on point P7;

[0009] Step 4: Comprehensively determine whether the side visibility passes based on the lowest point of the battery position.

[0010] Furthermore, the step 1 specifically includes the following contents:

[0011] Determine the center P1 and P2 of the front and rear wheels of the vehicle, and draw planes perpendicular to the ground through the centers P1 and P2 respectively. The two planes intersect with the bottom of the front wheel and the bottom of the rear wheel respectively, and the intersections are two straight lines. The plane formed by the two straight lines is recorded as the ground plane S1.

[0012] Furthermore, the step 2 specifically includes the following contents:

[0013] Take point P0 at the outermost edge of the threshold decorative plate, and point P0 is below the positioning hole of the B-pillar of the side panel assembly. Point P0 divides the threshold decorative plate into two sections, front and rear. Take point P3 in the front section and point P4 in the rear section, both of which are located at the outermost edge of the threshold decorative plate. Make a straight line L1 perpendicular to the ground plane S1 through point P3, make a straight line L2 perpendicular to the ground plane S1 through point P4, make a vertical vehicle section AA through the straight line L1, and make a vertical vehicle section BB through the straight line L2.

[0014] Furthermore, the step three specifically includes the following contents:

[0015] First, in the vehicle profile AA, determine the intersection point P5 of the straight line L1 and the ground plane S1, and make a straight line L3 perpendicular to the straight line L1 through the point P5, and the straight line L3 is within the ground plane S1. Then, take point P6 on the straight line L3, and make a straight line L4 perpendicular to the straight line L3 through the point P6. Take point P7 on the straight line L4, the point P6 is used to simulate the position of the observer, and the point P7 is used to simulate the position of the observer's eye point; finally, make a tangent line L5 of the threshold decorative panel through the point P7, and the tangent point is point P8.

[0016] Furthermore, the distance between the point P5 and the point P6 is 3000 mm, and the distance between the point P6 and the point P7 is 1100 mm.

[0017] Furthermore, the step three specifically includes the following contents:

[0018] First, in the vehicle profile BB, determine the intersection point P9 of the straight line L2 and the ground plane S1, and make a straight line L6 perpendicular to the straight line L2 through the point P9, and the straight line L6 is within the ground plane S1. Then, take a point P10 on the straight line L6, and make a straight line L7 perpendicular to the straight line L6 through the point P10. Take a point P11 on the straight line L7, the point P10 is used to simulate the position of the observer, and the point P11 is used to simulate the position of the observer's eye point; finally, make a tangent line L8 of the threshold decorative panel through the point P11, and the tangent point is point P12.

[0019] Furthermore, the distance between the point P9 and the point P10 is 3000 mm, and the distance between the point P10 and the point P11 is 1100 mm.

[0020] Furthermore, the step 4 specifically includes the following contents:

[0021] In the vehicle profile AA, determine the lowest point P13 of the battery position, and make a straight line L9 perpendicular to the straight line L3 through P13. The intersection of the straight lines L3 and L9 is point P14, and the intersection of the straight lines L5 and L9 is point P15. The distance from point P13 to point P14 is H1, and the distance from point P15 to point P14 is H2. The difference between H1 and H2 is used to determine whether the side visibility is passed.

[0022] Furthermore, the determination of whether the side visibility is passed by the difference between H1 and H2 is as follows:

[0023] If H1-H2≥0, the side visibility is determined to be passed and the bottom structure is not visible; if H1-H2<0, the side visibility is determined to be failed and the bottom structure is visible.

[0024] Furthermore, the step 4 specifically includes the following contents:

[0025] In the vehicle profile BB, determine the lowest point P16 of the battery position, draw a straight line L10 perpendicular to the straight line L6 through P16, the intersection of the straight lines L6 and L10 is point P17, the intersection of the straight lines L8 and L10 is point P18, the distance from point P16 to point P17 is H3, and the distance from point P17 to point P18 is H4. The difference between H3 and H4 is used to determine whether the side visibility is passed.

[0026] Furthermore, the difference between H3 and H4 is used to determine whether the side visibility is passed, as follows:

[0027] If H3-H4≥0, the side visibility is determined to be passed and the bottom structure is not visible; if H3-H4<0, the side visibility is determined to be failed and the bottom structure is visible.

[0028] Compared with the prior art, the advantages of the present invention are as follows:

[0029] A method for verifying the side visibility of a passenger vehicle door sill trim panel of the present invention performs verification and evaluation on the side visibility during the design stage of left and right door sill trim panels, thereby making the battery at the bottom of the vehicle or the metal flange of the side panel invisible from the user's perspective, thereby improving the user-perceived quality of the side. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0031] Figure 1 It is a schematic flow chart of a method for checking the side visibility of a threshold trim panel of a passenger vehicle according to the present invention;

[0032] Figure 2 It is a schematic diagram of step 1 of a method for checking the side visibility of a threshold trim panel of a passenger vehicle according to the present invention;

[0033] Figure 3It is a schematic diagram of determining points and lines of the AA section in step 3 of a method for checking the side visibility of a passenger vehicle threshold trim panel of the present invention;

[0034] Figure 4 It is a schematic diagram of determining points and lines of the BB section in step 3 of a method for checking the side visibility of a passenger vehicle threshold trim panel of the present invention;

[0035] Figure 5 It is a schematic diagram of determining points and lines of the AA section in step 4 of a method for checking the side visibility of a passenger vehicle threshold trim panel of the present invention;

[0036] Figure 6 The diagram is a schematic diagram of determining points and lines on the BB section in step 4 of a method for verifying the side visibility of a passenger vehicle door sill trim panel of the present invention. DETAILED DESCRIPTION

[0037] In order to clearly and completely describe the technical solution and its specific working process of the present invention, the specific implementation methods of the present invention are as follows in conjunction with the accompanying drawings of the specification:

[0038] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0041] Example 1

[0042] like Figure 1 FIG. 1 is a flow chart of a method for checking the side visibility of a threshold trim panel of a passenger vehicle according to an embodiment of the present invention. The method specifically comprises the following steps:

[0043] Step 1: Obtain the ground plane S1 based on the center of the front and rear wheels of the vehicle;

[0044] like Figure 2 As shown, the center points P1 and P2 of the front and rear wheels of the vehicle are determined, and planes perpendicular to the ground are drawn through the centers P1 and P2 respectively. The two planes intersect with the bottom of the front wheel and the bottom of the rear wheel respectively, and the intersections are two straight lines. The plane formed by the two straight lines is recorded as the ground plane S1.

[0045] Step 2: Draw a straight line perpendicular to the ground plane S1 based on two points on the outermost edge of the door sill trim plate, and draw a vehicle cross section through the straight line;

[0046] like Figure 2 As shown, point P0 is taken at the outermost edge of the threshold decorative plate, and the point P0 is located below the positioning hole of the B-pillar of the side panel assembly. Point P0 divides the threshold decorative plate into two sections, front and rear. Point P3 is taken at the front section, and point P4 is taken at the rear section, both of which are located at the outermost edge of the threshold decorative plate. A straight line L1 perpendicular to the ground plane S1 is made through point P3, a straight line L2 perpendicular to the ground plane S1 is made through point P4, a vertical vehicle section AA is made through the straight line L1, and a vertical vehicle section BB is made through the straight line L2.

[0047] Step 3: Determine the simulated observer position point P6 and the simulated observer eye point position point P7 based on the vehicle profile, and determine the tangent line L5 tangent to the door sill trim based on point P7;

[0048] like Figure 3As shown, first, in the vehicle section AA, determine the intersection point P5 of the straight line L1 and the ground plane S1, make a straight line L3 perpendicular to the straight line L1 through the point P5, and the straight line L3 is in the ground plane S1, then, take a point P6 on the straight line L3, make a straight line L4 perpendicular to the straight line L3 through the point P6, take a point P7 on the straight line L4, the point P6 is used to simulate the position of the observer, and the point P7 is used to simulate the position of the observer's eye point; finally, make a tangent line L5 of the threshold decorative plate through the point P7, and the tangent point is point P8;

[0049] The distance between the point P5 and the point P6 is 3000 mm, and the distance between the point P6 and the point P7 is 1100 mm.

[0050] like Figure 4 As shown, first, in the vehicle profile BB, determine the intersection point P9 of the straight line L2 and the ground plane S1, and make a straight line L6 perpendicular to the straight line L2 through the point P9, and the straight line L6 is in the ground plane S1, then, take a point P10 on the straight line L6, and make a straight line L7 perpendicular to the straight line L6 through the point P10, and take a point P11 on the straight line L7, the point P10 is used to simulate the position of the observer, and the point P11 is used to simulate the position of the observer's eye point; finally, make a tangent L8 of the door sill trim through the point P11, and the tangent point is point P12.

[0051] The distance between the point P9 and the point P10 is 3000 mm, and the distance between the point P10 and the point P11 is 1100 mm.

[0052] Step 4: Comprehensively determine whether the side visibility passes based on the lowest point of the battery position.

[0053] like Figure 5 As shown, in the vehicle profile AA, determine the lowest point P13 of the battery position, make a straight line L9 perpendicular to the straight line L3 through P13, the intersection of the straight line L3 and the straight line L9 is point P14, the intersection of the straight line L5 and the straight line L9 is point P15, the distance from point P13 to point P14 is H1, the distance from point P15 to point P14 is H2, and the difference between H1 and H2 is used to determine whether the side visibility is passed.

[0054] The difference between H1 and H2 is used to determine whether the side visibility is passed, as follows:

[0055] If H1-H2≥0, the side visibility is determined to be passed and the bottom structure is not visible; if H1-H2<0, the side visibility is determined to be failed and the bottom structure is visible.

[0056] like Figure 6As shown, in the vehicle profile BB, determine the lowest point P16 of the battery position, make a straight line L10 perpendicular to the straight line L6 through P16, the intersection of the straight line L6 and the straight line L10 is point P17, the intersection of the straight line L8 and the straight line L10 is point P18, the distance from point P16 to point P17 is H3, the distance from point P17 to point P18 is H4, and the difference between H3 and H4 is used to determine whether the side visibility is passed.

[0057] The difference between H3 and H4 is used to determine whether the side visibility is passed, as follows:

[0058] If H3-H4≥0, the side visibility is determined to be passed and the bottom structure is not visible; if H3-H4<0, the side visibility is determined to be failed and the bottom structure is visible.

[0059] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0060] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0061] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A method for checking the side visibility of a passenger car threshold trim panel, characterized in that: The specific steps include: Step 1: Obtain the ground plane S1 based on the center of the front and rear wheels of the vehicle; Step 2: Draw a straight line perpendicular to the ground plane S1 based on two points on the outermost edge of the door sill trim plate, and draw a vehicle cross section through the straight line; Step 3: Determine the simulated observer position point P6 and the simulated observer eye point position point P7 based on the vehicle profile, and determine the tangent line L5 tangent to the door sill trim based on point P7; Step 4: Comprehensively determine whether the side visibility passes based on the lowest point of the battery position.

2. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 1, characterized in that: The step 1 specifically includes the following contents: Determine the center P1 and P2 of the front and rear wheels of the vehicle, and draw planes perpendicular to the ground through the centers P1 and P2 respectively. The two planes intersect with the bottom of the front wheel and the bottom of the rear wheel respectively, and the intersections are two straight lines. The plane formed by the two straight lines is recorded as the ground plane S1.

3. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 1, characterized in that: The step 2 specifically includes the following contents: Take point P0 at the outermost edge of the threshold decorative plate, and point P0 is below the positioning hole of the B-pillar of the side panel assembly. Point P0 divides the threshold decorative plate into two sections, front and rear. Take point P3 in the front section and point P4 in the rear section, both of which are located at the outermost edge of the threshold decorative plate. Make a straight line L1 perpendicular to the ground plane S1 through point P3, make a straight line L2 perpendicular to the ground plane S1 through point P4, make a vertical vehicle section AA through the straight line L1, and make a vertical vehicle section BB through the straight line L2.

4. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 1, characterized in that: The step three specifically includes the following contents: First, in the vehicle profile AA, determine the intersection point P5 of the straight line L1 and the ground plane S1, and make a straight line L3 perpendicular to the straight line L1 through the point P5, and the straight line L3 is within the ground plane S1. Then, take point P6 on the straight line L3, and make a straight line L4 perpendicular to the straight line L3 through the point P6. Take point P7 on the straight line L4, the point P6 is used to simulate the position of the observer, and the point P7 is used to simulate the position of the observer's eye point; finally, make a tangent line L5 of the threshold decorative panel through the point P7, and the tangent point is point P8.

5. The method for checking the side visibility of a passenger vehicle threshold trim panel according to claim 1, characterized in that: The step three specifically includes the following contents: First, in the vehicle profile BB, determine the intersection point P9 of the straight line L2 and the ground plane S1, and make a straight line L6 perpendicular to the straight line L2 through the point P9, and the straight line L6 is within the ground plane S1. Then, take a point P10 on the straight line L6, and make a straight line L7 perpendicular to the straight line L6 through the point P10. Take a point P11 on the straight line L7, the point P10 is used to simulate the position of the observer, and the point P11 is used to simulate the position of the observer's eye point; finally, make a tangent line L8 of the threshold decorative panel through the point P11, and the tangent point is point P12.

6. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 1, characterized in that: The distance between point P5 and point P6 is 3000 mm, and the distance between point P6 and point P7 is 1100 mm; the distance between point P9 and point P10 is 3000 mm, and the distance between point P10 and point P11 is 1100 mm.

7. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 1, characterized in that: The step 4 specifically includes the following contents: In the vehicle profile AA, determine the lowest point P13 of the battery position, and make a straight line L9 perpendicular to the straight line L3 through P13. The intersection of the straight lines L3 and L9 is point P14, and the intersection of the straight lines L5 and L9 is point P15. The distance from point P13 to point P14 is H1, and the distance from point P15 to point P14 is H2. The difference between H1 and H2 is used to determine whether the side visibility is passed.

8. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 7, characterized in that: The difference between H1 and H2 is used to determine whether the side visibility is passed, as follows: If H1-H2≥0, the side visibility is determined to be passed and the bottom structure is not visible; if H1-H2<0, the side visibility is determined to be failed and the bottom structure is visible.

9. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 1, characterized in that: The step 4 specifically includes the following contents: In the vehicle profile BB, determine the lowest point P16 of the battery position, draw a straight line L10 perpendicular to the straight line L6 through P16, the intersection of the straight lines L6 and L10 is point P17, the intersection of the straight lines L8 and L10 is point P18, the distance from point P16 to point P17 is H3, and the distance from point P17 to point P18 is H4. The difference between H3 and H4 is used to determine whether the side visibility is passed.

10. A method for checking the side visibility of a passenger vehicle threshold trim panel as claimed in claim 9, characterized in that: The difference between H3 and H4 is used to determine whether the side visibility is passed, as follows: If H3-H4≥0, the side visibility is determined to be passed and the bottom structure is not visible; if H3-H4<0, the side visibility is determined to be failed and the bottom structure is visible.

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