CN113190918A - Curved surface light reflection checking method and system for vehicle part - Google Patents
Curved surface light reflection checking method and system for vehicle part Download PDFInfo
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Abstract
The invention discloses a curved surface light reflection checking method and a system for vehicle parts, wherein the method comprises the following steps: acquiring smooth curved surface information of a vehicle part to be checked and eye ellipse information of a driver; determining the surface information and the position information of the part according to the smooth curved surface information, and determining curvature information corresponding to the surface information of the part; when the curvature information meets a preset curvature constant condition, determining information of a point to be analyzed according to the surface information of the component; determining light ray information according to the point information to be analyzed and the eye ellipse information of the driver; and performing reflection check on the smooth curved surface information according to the light ray information. Compared with the prior art, when the vehicle is designed, the smooth curved surface of the vehicle part is not subjected to reflection check, the point information to be analyzed is determined according to the part surface information of the smooth curved surface information, and then the reflection check is performed on the smooth curved surface information according to the point information to be analyzed and the eye ellipse information of the driver, so that the curved surface reflection check result of the vehicle part is accurately obtained.
Description
Technical Field
The invention relates to the technical field of vehicle safety, in particular to a curved surface light reflection checking method and system for a vehicle part.
Background
The display screens with smooth surfaces, such as a combination meter, an MP5 and the like, are usually arranged in a car cab, when a driver watches information of the display screens in daytime driving, if light rays incident on the screens from the outside of the car are just reflected to the eyes of the driver through the smooth surfaces of the screens, the driver can not see the information on the display screens clearly, and dazzling is caused to the driver. In addition, for the decoration requirement, some bright component elements are also generally used in the vehicle interior as decorations, and if the smooth surfaces of the components reflect the light outside the vehicle into the eyes of the driver, the driver is dazzled when watching the driving environment, and certain safety hazards are caused. In order to avoid the problems caused by the smooth part on the inner surface of the cab, the light reflection condition on the surface of the smooth part needs to be checked during design.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a curved surface light reflection checking method and a curved surface light reflection checking system for a vehicle part, and aims to solve the technical problem of accurately acquiring a curved surface light reflection checking result of the vehicle part.
In order to achieve the above object, the present invention provides a method for checking a curved surface reflection of a vehicle component, including:
acquiring smooth curved surface information of a vehicle part to be checked and eye ellipse information of a driver;
determining the surface information and the position information of the part according to the smooth curved surface information, and determining the curvature information corresponding to the surface information of the part;
when the curvature information meets a preset curvature constant condition, determining information of a point to be analyzed according to the surface information of the part;
determining light ray information according to the point information to be analyzed and the driver eye ellipse information;
and performing reflection check on the smooth curved surface information according to the light ray information.
Optionally, the step of determining information of a point to be analyzed according to the surface information of the component includes:
determining curved surface sideline information according to the part surface information;
and selecting point information to be analyzed from the curved surface sideline information according to a preset point-taking rule.
Optionally, the step of performing reflection verification on the smooth curved surface information according to the light ray information includes:
determining perpendicular line information corresponding to the point information to be analyzed according to the point information to be analyzed and the surface information of the component;
determining symmetrical light ray information according to the perpendicular information and the light ray information;
and performing reflection check on the smooth curved surface information according to the symmetrical light ray information.
Optionally, the step of performing reflection verification on the smooth curved surface information according to the symmetric light ray information includes:
acquiring window part information of the vehicle to be checked;
judging whether the symmetrical light rays meet preset light transmission conditions or not according to the vehicle window component information;
and if the symmetrical light ray meets the preset light transmission condition, performing light reflection check on the smooth curved surface information according to the vehicle window part information and the symmetrical light ray information.
Optionally, after the step of determining the surface information and the position information of the component according to the smooth curved surface information and determining the curvature information corresponding to the surface information of the component, the method further includes:
and when the curvature information does not meet the preset constant curvature condition, determining target curved surface information according to the curvature information and the part surface information, and determining point information to be analyzed according to the target curved surface information.
In addition, in order to achieve the above object, the present invention further provides a curved surface reflection check system for a vehicle component, including:
the acquisition module is used for acquiring smooth curved surface information of the vehicle to be checked and eye ellipse information of the driver;
the determining module is used for determining the surface information and the position information of the part according to the smooth curved surface information and determining the curvature information corresponding to the surface information of the part;
the judging module is used for determining the information of the point to be analyzed according to the surface information of the part when the curvature information meets a preset curvature constant condition;
the determining module is further used for determining light ray information according to the point information to be analyzed and the driver eye ellipse information;
and the checking module is used for performing reflection checking on the smooth curved surface information according to the light ray information.
Optionally, the determining module is further configured to determine curved surface edge information according to the component surface information;
the determining module is further configured to select point information to be analyzed from the curved surface edge line information according to a preset point-taking rule.
Optionally, the checking module is further configured to determine, according to the information of the point to be analyzed and the surface information of the component, perpendicular line information corresponding to the information of the point to be analyzed;
the checking module is further configured to determine symmetric light ray information according to the perpendicular information and the light ray information;
and the checking module is also used for performing reflection checking on the smooth curved surface information according to the symmetrical light ray information.
Optionally, the checking module is further configured to obtain window component information of the vehicle to be checked;
the checking module is further used for judging whether the symmetric light ray meets a preset light transmission condition according to the vehicle window component information;
and the checking module is further used for performing reflection checking on the smooth curved surface information according to the vehicle window part information and the symmetrical light ray information if the symmetrical light ray meets the preset light transmission condition.
Optionally, the determining module is further configured to determine target curved surface information according to the curvature information and the component surface information when the curvature information does not satisfy a preset constant curvature condition, and determine point information to be analyzed according to the target curved surface information.
The method comprises the steps of firstly obtaining smooth curved surface information of a vehicle part to be checked and eye ellipse information of a driver, then determining part surface information and part position information according to the smooth curved surface information, determining curvature information corresponding to the part surface information, determining point information to be analyzed according to the part surface information when the curvature information meets a preset curvature constant condition, then determining light ray information according to the point information to be analyzed and the eye ellipse information of the driver, and finally performing reflection check on the smooth curved surface information according to the light ray information. Compared with the prior art, when the vehicle is designed, the smooth curved surface of the vehicle part is not subjected to reflection check, the point information to be analyzed is determined according to the part surface information of the smooth curved surface information, and then the reflection check is performed on the smooth curved surface information according to the point information to be analyzed and the eye ellipse information of the driver, so that the curved surface reflection check result of the vehicle part is accurately obtained, the reasonable arrangement of the smooth part and the air window position is determined, and the driving safety is improved.
Drawings
FIG. 1 is a schematic flow chart diagram illustrating a first embodiment of a method for checking for camber reflection of a vehicle component in accordance with the present invention;
FIG. 2 is a diagram showing a relationship between a point to be analyzed and the driver's eye ellipse information according to the first embodiment of the method for checking the curved surface retroreflection of a vehicle component of the present invention;
FIG. 3 is a schematic flow chart diagram illustrating a second embodiment of a method for checking for camber reflection of a vehicle component in accordance with the present invention;
FIG. 4 is a block diagram of a first embodiment of a curved surface reflection verification system for vehicle components in accordance with the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
An embodiment of the present invention provides a method for checking curved surface reflection of a vehicle component, and referring to fig. 1, fig. 1 is a schematic flow diagram of a first embodiment of the method for checking curved surface reflection of a vehicle component according to the present invention.
In this embodiment, the method for checking the curved surface reflection of the vehicle component includes the following steps:
step S10: and acquiring smooth curved surface information of the vehicle part to be checked and eye ellipse information of the driver.
It is easy to understand that the executing subject of the embodiment may be a curved surface reflection checking device of a vehicle component having functions of image processing, data processing, network communication, program operation, and the like, and may also be other computer devices having similar functions, and the embodiment is not limited.
It should be noted that the driver eye ellipse information may be a driver eye ellipse model, the smooth curved surface information of the vehicle component to be checked includes component information and component position information of a smooth curved surface in the vehicle to be checked, the component information of the smooth curved surface may be component information with a smooth surface such as a combination meter or a pendant, and the component position information is a current position of the smooth curved surface, and the embodiment is not limited.
Step S20: and determining the surface information and the position information of the part according to the smooth curved surface information, and determining the curvature information corresponding to the surface information of the part.
Assuming that the part information of the smooth curved surface may be part information with a smooth surface, such as a combination instrument or a pendant, it is necessary to extract the surface of the part with the smooth curved surface of the combination instrument or the pendant, take the surface of the part as the part surface information, and then determine curvature information corresponding to the part surface information according to the part surface information, where the curvature information may be a curved surface with a constant curvature, a curved surface with an inconstant curvature, or the like.
Step S30: and when the curvature information meets a preset constant curvature condition, determining the information of the point to be analyzed according to the information of the surface of the part.
The step of determining the information of the point to be analyzed according to the surface information of the component may be determining the curved surface sideline information according to the surface information of the component, and then selecting the information of the point to be analyzed from the curved surface sideline information according to a preset point-taking rule, wherein the preset point-taking rule may be set by a user in a self-defined manner, and may also be selected randomly, and the like.
Assuming that the curvature information is a curved surface with a constant curvature, an edge line of the part surface information is extracted, and then any point on the edge line is taken as a point to be analyzed, and information of the point to be analyzed and the like are acquired.
In the specific implementation, a plurality of points to be analyzed can be taken from the side line of the curved surface, the distance between every two points is 30-50 mm, if the side line is more regular, the distance between every two points can be slightly larger, if the side line is more tortuous and the inflection points are more, the distance between every two points needs to be small, and the points need to be taken at the special inflection points, and the like.
When the curvature information does not meet the preset constant curvature condition, determining target curved surface information according to the curvature information and the component surface information, and determining point information to be analyzed according to the target curved surface information.
The target curved surface information is a plurality of small curved surface information, and the curvature corresponding to each small curved surface information is constant.
And then determining the side line information of the small curved surface according to the surface information corresponding to the small curved surface, and finally selecting the point to be analyzed from the side line information of the small curved surface according to a preset point taking rule.
Step S40: and determining light ray information according to the point information to be analyzed and the eye ellipse information of the driver.
Referring to fig. 2, a manner of determining a light ray according to point information to be analyzed and driver's eye ellipse information, fig. 2 is a view of a vehicle component of the present inventionThe relation graph of the point to be analyzed and the driver eye ellipse information of the first embodiment of the curved surface reflection checking method, 6, is a quadrilateral plane, and the quadrilateral plane is taken as P1And 1 is a plane sideline a12 is a curved surface sideline C, 3 is a part curved surface S, 4 is a point d to be analyzed, and 5 is a vertical line L0And 7 is a straight line L 18 is a left-eye ellipse, 9 is a tangent point d1And 10 is a right eye ellipse, etc.
In the specific implementation, the following 6 straight lines connected with the ellipse of the driver's eye are drawn through the point d, and one quadrangle plane P is drawn1Plane P1One side line a of1Parallel to the Z axis of the whole vehicle, side line a1Coincides with point d, plane P1Winding line a1Rotate until P1Tangent with the right side of the ellipse of the right eye of the driver and taking the tangent point d1Connecting d and d1Forming a first straight line L connecting the point d and the ellipse of the driver's eye1(ii) a Two, the same method, making a quadrilateral plane P2Plane P2One side line a of2Parallel to the Z axis of the whole vehicle, side line a2Coincides with point d, plane P2Winding line a2Rotate until P2Tangent with the left side of the ellipse of the left eye of the driver and taking the tangent point d2Connecting d and d2Forming a second straight line L connecting the point d and the ellipse of the driver's eye2(ii) a Thirdly, a quadrilateral plane P is formed3Plane P3One side line a of3Parallel to the Y axis of the whole vehicle, side line a3Coincides with point d, plane P3Winding line a3Rotate until P3Tangent with the elliptical lower side surfaces of the right and left eyes of the driver and taking P3Tangent point to the right eye ellipse is d3And P is3Tangent point to the left eye ellipse is d4Connecting d and d3D and d4Respectively forming a third straight line L connecting the point d with the ellipse of the driver's eye3And a fourth straight line L4(ii) a Method for making four, same and three quadrangle planes P4Plane P4One side line a of4Parallel to the Y axis of the whole vehicle, side line a4Coincides with point d, is flatPlane P4Winding line a4Rotate until P4Tangent to the upper side of the ellipse of the right eye and the left eye of the driver and taking P4Tangent point to the right eye ellipse is d5And P is4Tangent point to the left eye ellipse is d6Connecting d and d5D and d6Respectively forming a third straight line L connecting the point d with the ellipse of the driver's eye5And a fourth straight line L6Wherein L is1、L2、L3、L4、L5And L6Light ray information, etc.
Step S50: and performing reflection check on the smooth curved surface information according to the light ray information.
And the step of performing reflection check on the smooth curved surface information according to the light ray information comprises the steps of determining perpendicular line information corresponding to the point information to be analyzed according to the point information to be analyzed and the surface information of the component, determining symmetrical light ray information according to the perpendicular line information and the light ray information, and performing reflection check on the smooth curved surface information according to the symmetrical light ray information.
And the step of performing reflection check on the smooth curved surface information according to the symmetrical light ray information comprises the steps of acquiring window part information of the vehicle to be checked, judging whether the symmetrical light ray meets the preset light transmission condition or not according to the window part information, and performing reflection check on the smooth curved surface information according to the window part information and the symmetrical light ray information if the symmetrical light ray meets the preset light transmission condition.
The window member information includes member information and position information thereof, which can allow light outside the vehicle to penetrate into the vehicle, such as a front window, a rear window, a side window, and a roof window of the vehicle.
The preset light transmission condition is whether the symmetrical light ray can penetrate out of the vehicle or not.
In this embodiment, do L1、L2、L3、L4、L5And L6With respect to L0Line of symmetry L1’、L2’、L3’、L4’、L5' and L6' then, continuously taking other points on the side line C of the curved surface S, wherein the distance between every two points is 30-50 mm, and if the side line C is more regularAnd the distance between the points can be slightly larger, if the side line C is more tortuous and more inflection points exist, the distance between the points needs to be small, the points need to be taken at the special inflection points, the light ray and the symmetrical light ray of each point are determined, and finally whether the obtained symmetrical light ray can be transmitted out of the vehicle through the front windshield, the rear windshield, the side windshield, the top window and the like is detected.
If the symmetry line can be penetrated out of the vehicle, it indicates that the light outside the vehicle can penetrate into the vehicle and is reflected into the eyes of the driver through the curved surface S, and the arrangement position of the curved surface S needs to be adjusted, or other components in the vehicle are adjusted to block the symmetry line from penetrating out of the vehicle; if the symmetry line can not be transmitted out of the vehicle, the light rays which are incident to the curved surface S and reflected to the eyes of the driver without the outside of the vehicle are indicated, and the adjustment of each part is not needed.
It should be noted that, in the above embodiment, for the curved surface S being a curved surface with a constant curvature, if the curved surface S is a variable curvature curved surface, the curved surface S needs to be divided into a plurality of curved surfaces according to different curvatures to ensure that the curvature of each small curved surface is constant, and then the above steps are repeated to check the reflection of each small curved surface.
In this embodiment, smooth curved surface information of a vehicle component to be checked and eye ellipse information of a driver are obtained, then component surface information and component position information are determined according to the smooth curved surface information, curvature information corresponding to the component surface information is determined, when the curvature information meets a preset curvature constant condition, point information to be analyzed is determined according to the component surface information, light ray information is determined according to the point information to be analyzed and the eye ellipse information of the driver, and finally light reflection checking is performed on the smooth curved surface information according to the light ray information. Compared with the prior art, when the vehicle is designed, the smooth curved surface of the vehicle part is not subjected to reflection check, in the embodiment, the point information to be analyzed is determined according to the part surface information of the smooth curved surface information, and then the reflection check is performed on the smooth curved surface information according to the point information to be analyzed and the eye ellipse information of the driver, so that the curved surface reflection check result of the vehicle part is accurately obtained, and the reasonable arrangement of the smooth part and the air window position is determined.
Referring to fig. 3, fig. 3 is a flowchart illustrating a curved surface reflection verification method for a vehicle component according to a second embodiment of the present invention.
Based on the first embodiment, in this embodiment, after step S20, the method further includes:
step S60: and when the curvature information does not meet the preset constant curvature condition, determining target curved surface information according to the curvature information and the part surface information, and determining point information to be analyzed according to the target curved surface information.
When the curvature information does not meet the preset constant curvature condition, determining target curved surface information according to the curvature information and the component surface information, and determining point information to be analyzed according to the target curved surface information.
The target curved surface information is a plurality of small curved surface information, and the curvature corresponding to each small curved surface information is constant.
And then determining the side line information of the small curved surface according to the surface information corresponding to the small curved surface, and finally selecting the point to be analyzed from the side line information of the small curved surface according to a preset point taking rule.
In the specific implementation, it is further required to determine perpendicular line information corresponding to the point information to be analyzed according to the point information to be analyzed and the component surface information, determine symmetric light ray information according to the perpendicular line information and the light ray information, obtain window component information of the vehicle to be checked, determine whether the symmetric light ray satisfies a preset light transmission condition according to the window component information, and perform light reflection checking on the smooth curved surface information according to the window component information and the symmetric light ray information if the symmetric light ray satisfies the preset light transmission condition.
It should be noted that, in the same manner as the above-mentioned manner of obtaining the light ray and the symmetric light ray of the constant curved surface, the straight line connecting with the eye ellipse of the driver is made by selecting the point on the small curved surface. And finally, acquiring a plurality of pieces of light ray information and the like.
The method comprises the steps of determining perpendicular line information corresponding to point information to be analyzed according to the point information to be analyzed and part surface information, determining symmetrical light ray information according to the perpendicular line information and the light ray information, obtaining window part information of a vehicle to be checked, judging whether symmetrical light rays meet preset light transmission conditions or not according to the window part information, and conducting light reflection checking on smooth curved surface information according to the window part information and the symmetrical light ray information if the symmetrical light rays meet the preset light transmission conditions.
The window member information includes member information and position information thereof, which can allow light outside the vehicle to penetrate into the vehicle, such as a front window, a rear window, a side window, and a roof window of the vehicle.
The preset light transmission condition is whether the symmetrical light ray can penetrate out of the vehicle or not.
If the sidelines are more regular, the distance between the points can be slightly larger, if the sidelines are more tortuous and more inflection points exist, the distance between the points needs to be small, the points need to be taken at the special inflection points, the light ray and the symmetrical light ray of each point are determined, and finally whether the obtained symmetrical light ray can be transmitted out of the vehicle through the front windshield, the rear windshield, the side windshield, the top windshield and the like is detected.
If the symmetry line can penetrate out of the vehicle, the light outside the vehicle can penetrate into the vehicle and is reflected into eyes of a driver through the curved surface, and the arrangement position of the curved surface needs to be adjusted, or other parts in the vehicle are adjusted to prevent the symmetry line from penetrating out of the vehicle; if the symmetry line can not be transmitted out of the vehicle, the light reflected to the eyes of the driver by the curved surface without the outside of the vehicle is indicated, and the adjustment of each part is not needed.
In this embodiment, when the curvature information does not satisfy the preset constant curvature condition, the target curved surface information is determined according to the curvature information and the component surface information, and the point information to be analyzed is determined according to the target curved surface information, so that the reflection check result of the smooth curved surface can be quickly and accurately obtained.
Referring to fig. 4, fig. 4 is a block diagram illustrating a first embodiment of a curved surface reflection check system for a vehicle component according to the present invention.
As shown in fig. 4, a curved surface reflection verification system for a vehicle component according to an embodiment of the present invention includes:
the obtaining module 4001 is configured to obtain smooth curved surface information of the vehicle to be checked and eye ellipse information of the driver.
It should be noted that the driver eye ellipse information is a driver eye ellipse model, the smooth curved surface information of the vehicle component to be checked includes component information and component position information having a smooth curved surface in the vehicle to be checked, the component information of the smooth curved surface may be component information having a smooth surface such as a combination meter or a pendant, and the component position information is a current position where the smooth curved surface is located, which is not limited in this embodiment.
And the determining module 4002 is configured to determine part surface information and part position information according to the smooth curved surface information, and determine curvature information corresponding to the part surface information.
Assuming that the part information of the smooth curved surface may be part information with a smooth surface, such as a combination instrument or a pendant, it is necessary to extract the surface of the part with the smooth curved surface of the combination instrument or the pendant, take the surface of the part as the part surface information, and then determine curvature information corresponding to the part surface information according to the part surface information, where the curvature information may be a curved surface with a constant curvature, a curved surface with an inconstant curvature, or the like.
A determining module 4003, configured to determine information of a point to be analyzed according to the component surface information when the curvature information satisfies a preset curvature constant condition.
The step of determining the information of the point to be analyzed according to the surface information of the component may be determining the curved surface sideline information according to the surface information of the component, and then selecting the information of the point to be analyzed from the curved surface sideline information according to a preset point-taking rule, wherein the preset point-taking rule may be set by a user in a self-defined manner, and may also be selected randomly, and the like.
Assuming that the curvature information is a curved surface with a constant curvature, an edge line of the part surface information is extracted, and then any point on the edge line is taken as a point to be analyzed, and information of the point to be analyzed and the like are acquired.
In the specific implementation, a plurality of points to be analyzed can be taken from the side line of the curved surface, the distance between every two points is 30-50 mm, if the side line is more regular, the distance between every two points can be slightly larger, if the side line is more tortuous and the inflection points are more, the distance between every two points needs to be small, and the points need to be taken at the special inflection points, and the like.
When the curvature information does not meet the preset constant curvature condition, determining target curved surface information according to the curvature information and the component surface information, and determining point information to be analyzed according to the target curved surface information.
The target curved surface information is a plurality of small curved surface information, and the curvature corresponding to each small curved surface information is constant.
And then determining the side line information of the small curved surface according to the surface information corresponding to the small curved surface, and finally selecting the point to be analyzed from the side line information of the small curved surface according to a preset point taking rule.
The determining module 4002 is further configured to determine light ray information according to the information of the point to be analyzed and the eye ellipse information of the driver.
Referring to fig. 2, fig. 2 is a graph showing a relationship between a point to be analyzed and eye ellipse information of a driver in a first embodiment of a curved surface reflection verification method for a vehicle component according to the present invention, fig. 6 is a quadrilateral plane, and the quadrilateral plane is taken as P1And 1 is a plane sideline a12 is a curved surface sideline C, 3 is a part curved surface S, 4 is a point d to be analyzed, and 5 is a vertical line L0And 7 is a straight line L 18 is a left-eye ellipse, 9 is a tangent point d1And 10 is a right eye ellipse, etc.
In the specific implementation, the following 6 straight lines connected with the ellipse of the driver's eye are drawn through the point d, and one quadrangle plane P is drawn1Plane P1One side line a of1Parallel to the Z axis of the whole vehicle, side line a1Coincides with point d, plane P1Winding line a1Rotate until P1Tangent with the right side of the ellipse of the right eye of the driver and taking the tangent point d1Connecting d and d1Forming a first straight line L connecting the point d and the ellipse of the driver's eye1(ii) a Two, the same method, making a quadrilateral plane P2Plane P2One side line a of2Parallel to the Z axis of the whole vehicle, side line a2Coincides with point d, plane P2Winding line a2Rotate until P2Tangent with the left side of the ellipse of the left eye of the driver and taking the tangent point d2Connecting d and d2Forming a second straight line L connecting the point d and the ellipse of the driver's eye2(ii) a Thirdly, a quadrilateral plane P is formed3Plane P3One side line a of3Parallel to the Y axis of the whole vehicle, side line a3Coincides with point d, plane P3Winding line a3Rotate until P3Tangent with the elliptical lower side surfaces of the right and left eyes of the driver and taking P3Tangent point to the right eye ellipse is d3And P is3Tangent point to the left eye ellipse is d4Connecting d and d3D and d4Respectively forming a third straight line L connecting the point d with the ellipse of the driver's eye3And a fourth straight line L4(ii) a Method for making four, same and three quadrangle planes P4Plane P4One side line a of4Parallel to the Y axis of the whole vehicle, side line a4Coincides with point d, plane P4Winding line a4Rotate until P4Tangent to the upper side of the ellipse of the right eye and the left eye of the driver and taking P4Tangent point to the right eye ellipse is d5And P is4Tangent point to the left eye ellipse is d6Connecting d and d5D and d6Respectively forming a third straight line L connecting the point d with the ellipse of the driver's eye5And a fourth straight line L6Wherein L is1、L2、L3、L4、L5And L6Light ray information, etc.
And the checking module 4004 is used for performing reflection checking on the smooth curved surface information according to the light ray information.
And the step of performing reflection check on the smooth curved surface information according to the light ray information comprises the steps of determining perpendicular line information corresponding to the point information to be analyzed according to the point information to be analyzed and the surface information of the component, determining symmetrical light ray information according to the perpendicular line information and the light ray information, and performing reflection check on the smooth curved surface information according to the symmetrical light ray information.
And the step of performing reflection check on the smooth curved surface information according to the symmetrical light ray information comprises the steps of acquiring window part information of the vehicle to be checked, judging whether the symmetrical light ray meets the preset light transmission condition or not according to the window part information, and performing reflection check on the smooth curved surface information according to the window part information and the symmetrical light ray information if the symmetrical light ray meets the preset light transmission condition.
The window member information includes member information and position information thereof, which can allow light outside the vehicle to penetrate into the vehicle, such as a front window, a rear window, a side window, and a roof window of the vehicle.
The preset light transmission condition is whether the symmetrical light ray can penetrate out of the vehicle or not.
In this embodiment, do L1、L2、L3、L4、L5And L6With respect to L0Line of symmetry L1’、L2’、L3’、L4’、L5' and L6' then, other points are continuously taken on a side line C of the curved surface S, the distance between every two points is 30-50 mm, if the side line C is more regular, the distance between every two points can be slightly larger, if the side line C is more tortuous and more inflection points exist, the distance between every two points needs to be small, and a point needs to be taken at a special inflection point, the light ray and the symmetrical light ray of every point are determined, and finally whether the obtained symmetrical light ray can be transmitted out of the vehicle through a front windshield, a rear windshield, a side windshield, a top window and the like is detected.
If the symmetry line can be penetrated out of the vehicle, it indicates that the light outside the vehicle can penetrate into the vehicle and is reflected into the eyes of the driver through the curved surface S, and the arrangement position of the curved surface S needs to be adjusted, or other components in the vehicle are adjusted to block the symmetry line from penetrating out of the vehicle; if the symmetry line can not be transmitted out of the vehicle, the light rays which are incident to the curved surface S and reflected to the eyes of the driver without the outside of the vehicle are indicated, and the adjustment of each part is not needed.
It should be noted that, in the above embodiment, for the curved surface S being a curved surface with a constant curvature, if the curved surface S is a variable curvature curved surface, the curved surface S needs to be divided into a plurality of curved surfaces according to different curvatures to ensure that the curvature of each small curved surface is constant, and then the above steps are repeated to check the reflection of each small curved surface.
In this embodiment, smooth curved surface information of a vehicle component to be checked and eye ellipse information of a driver are obtained, then component surface information and component position information are determined according to the smooth curved surface information, curvature information corresponding to the component surface information is determined, when the curvature information meets a preset curvature constant condition, point information to be analyzed is determined according to the component surface information, light ray information is determined according to the point information to be analyzed and the eye ellipse information of the driver, and finally light reflection checking is performed on the smooth curved surface information according to the light ray information. Compared with the prior art, when the vehicle is designed, the smooth curved surface of the vehicle part is not subjected to reflection check, in the embodiment, the point information to be analyzed is determined according to the part surface information of the smooth curved surface information, and then the reflection check is performed on the smooth curved surface information according to the point information to be analyzed and the eye ellipse information of the driver, so that the curved surface reflection check result of the vehicle part is accurately obtained, and the reasonable arrangement of the smooth part and the air window position is determined.
Further, the determining module 4002 is further configured to determine curved surface edge information according to the component surface information;
the determining module 4002 is further configured to select point information to be analyzed from the curved surface edge line information according to a preset point-taking rule.
Further, the checking module 4004 is further configured to determine perpendicular line information corresponding to the point information to be analyzed according to the point information to be analyzed and the component surface information;
the checking module 4004 is further configured to determine symmetric light ray information according to the perpendicular information and the light ray information;
the checking module 4004 is further configured to perform reflection checking on the smooth curved surface information according to the symmetric light ray information.
Further, the checking module 4004 is further configured to acquire information of a vehicle window component of the vehicle to be checked;
the checking module 4004 is further configured to determine whether the symmetric light ray satisfies a preset light transmittance condition according to the vehicle window component information;
the checking module 4004 is further configured to perform reflection checking on the smooth curved surface information according to the vehicle window component information and the symmetric light ray information if the symmetric light ray satisfies the preset light transmittance condition.
Further, the determining module 4003 is further configured to determine target curved surface information according to the curvature information and the component surface information when the curvature information does not satisfy a preset constant curvature condition, and determine point information to be analyzed according to the target curved surface information.
Other embodiments or specific implementation manners of the curved surface light reflection checking system of the vehicle component can refer to the above method embodiments, and details are not repeated here.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a medium (such as a rom/ram, a magnetic disk, an optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The curved surface light reflection checking method of the vehicle component is characterized by comprising the following steps of:
acquiring smooth curved surface information of a vehicle part to be checked and eye ellipse information of a driver;
determining the surface information and the position information of the part according to the smooth curved surface information, and determining the curvature information corresponding to the surface information of the part;
when the curvature information meets a preset curvature constant condition, determining information of a point to be analyzed according to the surface information of the part;
determining light ray information according to the point information to be analyzed and the driver eye ellipse information;
and performing reflection check on the smooth curved surface information according to the light ray information.
2. The method of claim 1, wherein the step of determining point information to be analyzed from the part surface information comprises:
determining curved surface sideline information according to the part surface information;
and selecting point information to be analyzed from the curved surface sideline information according to a preset point-taking rule.
3. The method of claim 1 or 2, wherein the step of performing a reflectogram verification on the smooth curved surface information based on the light ray information comprises:
determining perpendicular line information corresponding to the point information to be analyzed according to the point information to be analyzed and the surface information of the component;
determining symmetrical light ray information according to the perpendicular information and the light ray information;
and performing reflection check on the smooth curved surface information according to the symmetrical light ray information.
4. The method of claim 3, wherein the step of performing a reflectogram verification on the smooth surface information based on the symmetric light ray information comprises:
acquiring window part information of the vehicle to be checked;
judging whether the symmetrical light rays meet preset light transmission conditions or not according to the vehicle window component information;
and if the symmetrical light ray meets the preset light transmission condition, performing light reflection check on the smooth curved surface information according to the vehicle window part information and the symmetrical light ray information.
5. The method of claim 1, wherein after the steps of determining part surface information and part position information from the smooth curved surface information and determining curvature information corresponding to the part surface information, further comprising:
and when the curvature information does not meet the preset constant curvature condition, determining target curved surface information according to the curvature information and the part surface information, and determining point information to be analyzed according to the target curved surface information.
6. A system for the verification of the retroreflection of a curved surface of a vehicle component, the system comprising:
the acquisition module is used for acquiring smooth curved surface information of the vehicle to be checked and eye ellipse information of the driver;
the determining module is used for determining the surface information and the position information of the part according to the smooth curved surface information and determining the curvature information corresponding to the surface information of the part;
the judging module is used for determining the information of the point to be analyzed according to the surface information of the part when the curvature information meets a preset curvature constant condition;
the determining module is further used for determining light ray information according to the point information to be analyzed and the driver eye ellipse information;
and the checking module is used for performing reflection checking on the smooth curved surface information according to the light ray information.
7. The system of claim 6, wherein the determination module is further configured to determine curved surface edge information based on the part surface information;
the determining module is further configured to select point information to be analyzed from the curved surface edge line information according to a preset point-taking rule.
8. The system of claim 6 or 7, wherein the checking module is further configured to determine, according to the point information to be analyzed and the component surface information, perpendicular information corresponding to the point information to be analyzed;
the checking module is further configured to determine symmetric light ray information according to the perpendicular information and the light ray information;
and the checking module is also used for performing reflection checking on the smooth curved surface information according to the symmetrical light ray information.
9. The system of claim 8, wherein the checking module is further configured to obtain window component information of the vehicle to be checked;
the checking module is further used for judging whether the symmetric light ray meets a preset light transmission condition according to the vehicle window component information;
and the checking module is further used for performing reflection checking on the smooth curved surface information according to the vehicle window part information and the symmetrical light ray information if the symmetrical light ray meets the preset light transmission condition.
10. The system of claim 6, wherein the determination module is further configured to determine target surface information based on the curvature information and the component surface information and determine point information to be analyzed based on the target surface information when the curvature information does not satisfy a preset constant curvature condition.
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