CN109323678A

CN109323678A - A kind of capacity checking device and check method

Info

Publication number: CN109323678A
Application number: CN201811141998.1A
Authority: CN
Inventors: 李阳; 姚创增; 成弘; 张建国
Original assignee: SAIC Volkswagen Automotive Co Ltd
Current assignee: SAIC Volkswagen Automotive Co Ltd
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-02-12
Anticipated expiration: 2038-09-28
Also published as: CN109323678B

Abstract

The present invention provides a kind of capacity checking device and check method applied to glass Verification Technology field.The check method includes: that the identifiable graph data of Three-dimensional CAD Environment is imported into Three-dimensional CAD Environment, to form the three-dimensional modeling of glass in Three-dimensional CAD Environment；Multiple measurement points are chosen on the first surface of the three-dimensional modeling of glass；According to light propagation principle, the first index path and the second index path are made；Measurement is refracted to the angle the propagation path of some light of the outside of glass in the first index path of the incident ray of each measurement point and the second index path from second surface, and the angle is referred to as glass in the excursion of the subsidiary image of corresponding measurement point；Calculate the maximum excursion of the subsidiary image of each measurement point.The present invention checks the excursion of the subsidiary image of glass in a manner of quantifying, and can be used for checking different types of glass, and the excursion of the subsidiary image for uniformly checking in a manner of quantization glass can effectively improve the check efficiency of glass.

Description

A kind of capacity checking device and check method

Technical field

The present invention relates to glass Verification Technology field, in particular to a kind of capacity checking device and check method.

Background technique

Windshield occupies biggish ratio in entire vehicle outer profile area.In vehicle R&D process, greasy filth mould Type can be recorded the dimensional parameters of vehicle body outside surface with three-coordinates measuring machine after authorizing, these dimensional parameters will be made For in Three-dimensional Design Software draw Car body model foundation, the Car body model drawn usually require check just can be carried out it is next Step research and development, the windshield model especially in Car body model.For supplier provide windshield be usually also required to by Check could use.Whether usually equal in the windshield of the development phase windshield model drawn or supplier's offer Need to carry out the check of the performances such as manufacturability, optical property, wiper.

When checking the properties of windshield and/or windshield model, since different manufacturers has respectively Incompatible check method and dedicated capacity checking device, and use different evaluation index and appraisement system, therefore be difficult by The integration of these check results is unified, so as to cause the check low efficiency of windshield.

Summary of the invention

The purpose of the present invention is to provide a kind of capacity checking device and check methods, to improve existing capacity checking device and check Method checks the technical issues of low efficiency.

In order to solve the above technical problems, the present invention provides a kind of check method, for checking glass, the check method packet It includes: the identifiable graph data of Three-dimensional CAD Environment being imported into Three-dimensional CAD Environment, to form glass in Three-dimensional CAD Environment Three-dimensional modeling, which is the three-dimension curved surface body for having thickness, and the three-dimensional modeling includes first surface and second surface； Multiple measurement points are chosen on the first surface of the three-dimensional modeling of glass；According to light propagation principle, production is along being parallel to Y base The direction of directrix plane and Z datum plane passes through the incident ray of each measurement point, into glass after first surface reflects Inside, and the first index path of the outside of glass is directly refracted to from the second surface of glass, and reflect by first surface Enter the inside of glass afterwards, and is refracted to glass from second surface again after the second surface of glass and first surface successively reflect Outside the second index path；Measurement is in the first index path and the second index path of the incident ray of each measurement point from the For two surface refractions to the angle between the propagation path of some light of the outside of glass, the angle is referred to as glass corresponding The excursion of the subsidiary image of measurement point；Calculate the maximum excursion of the subsidiary image of each measurement point.

Optionally, the check method further include: required according to difference of each region of glass to excursion of the subsidiary image, use is a variety of Label is identified each measurement point on the first surface of glass；Export the excursion of the subsidiary image report of glass.

Optionally, the check method further include: according to light propagation principle, production is along being parallel to Y datum plane and Z The incident ray that datum plane direction passes through each measurement point enters inside glass after first surface reflects, and directly from glass The second surface of glass is refracted to the third index path of the outside of glass, and production is along being parallel to Y datum plane and the datum plane side Z To the incident ray for the predetermined point for passing through predetermined quantity corresponding with the measurement point, glass is entered after first surface reflects Inside glass, and the 4th index path of the outside of glass is directly refracted to from the second surface of glass, wherein each measurement point and with Spacing of the corresponding each predetermined point of the measurement point between the projection on X datum plane is Δ X；Measure third index path And the 4th be refracted to from second surface in index path glass outside some light propagation path between angle, calculate institute State the ratio of angle Yu Δ X, the ratio is referred to as the light distortion of the measurement point, wherein the third index path be across The index path of the incident ray of each measurement point, the 4th index path are across predetermined quantity corresponding with the measurement point Predetermined point incident ray index path；Calculate the maximum value of the light distortion of each measurement point, and more all measurements The maximum value of the light distortion of point, the maximum point of maximum value and the maximum light distortion of point to obtain light distortion.

Optionally, the check method further include: according to the maximum light distortion and the measurement point of each measurement point The requirement of the light distortion of glass is identified the first surface of the glass using various labels；Export the light distortion of glass Report.

Optionally, the glass is the windshield of automobile, and windshield drives side wiper region including master and the passenger side side is scraped Brush region, the check method further include: the main length direction driven each measurement point in the wiper region of side and drive side scraping article along master of measurement Radius of curvature, measure the passenger side side wiper region in each measurement point along the length direction of the passenger side side scraping article radius of curvature；It will lead It drives the radius of curvature of the measurement point in the rain brush wiper region of side and measurement point master drives curvature phase required by the rain brush scraping article of side Compare, thinks that the measurement point is wiper risk when the main radius of curvature for driving the measurement point in the wiper region of side is less than a preset value Point；By the radius of curvature of the measurement point in the rain brush wiper region of the passenger side side compared with curvature required by the rain brush scraping article of the passenger side side Compared with, think when the radius of curvature of the measurement point in the wiper region of the passenger side side is less than a preset value measurement point be wiper risk Point exports wiper risk point；Measurement master drives the angle of attack of each measurement point and output in side wiper region and the passenger side side wiper region.

Optionally, it includes: to drive side according to master that multiple measurement points are chosen on the first surface of the three-dimensional modeling of windshield The wiper region of rain brush scraping article and the passenger side side rain brush scraping article on the first surface of windshield, in the first surface of windshield On draw out corresponding master and drive side rain brush wiper region and the passenger side side rain brush wiper region；It is drawn on the first surface of windshield Produce a plurality of contact line, the position of the length of the contact line and the contact line relative to the windshield is and described It leads the length driven side rain brush scraping article and the passenger side side rain brush scraping article on the windshield and position is corresponding；It is cut in a plurality of contact line Take multiple measurement points.

Optionally, the check method further include: the first table of windshield is drawn on the first surface of windshield The intersection in face and Y datum plane, and the line of two endpoints of the intersection is drawn, the intersection is referred to as longitudinal camber line, institute It states line and is referred to as longitudinal chord；The maximum point of spacing on longitudinal camber line between longitudinal chord is searched, which is referred to as longitudinal convex Point, and the spacing between the longitudinal direction salient point and longitudinal chord is measured, the spacing is referred to as longitudinal pitch, and exports the longitudinal direction salient point And longitudinal pitch；Multiple normal planes are successively drawn along the longitudinal chord on the first surface of windshield, these methods are flat Face is the normal plane of the longitudinal chord, to obtain the intersection of the first surface of multiple normal planes and windshield, and draws this The line of two endpoints of a little intersections, these lateral intersections are referred to as lateral camber line, these lines are referred to as lateral string；It searches every The maximum point of spacing on a transverse direction camber line between lateral string corresponding with each transverse direction camber line, the point are referred to as lateral salient point, And the spacing between the transverse direction salient point and lateral string is measured, the spacing is referred to as horizontal spacing, and more all transverse directions are convex The size of spacing between point and lateral string, to obtain the maximum lateral salient point of spacing in lateral salient point between lateral string simultaneously Export the transverse direction salient point and horizontal spacing corresponding with the transverse direction salient point；Longitudinal chord is drawn on the first surface of windshield Normal plane, and the maximum lateral salient point of spacing between lateral string is located on the normal plane, measure longitudinal chord midpoint and Spacing and output between the normal plane；Measure the angle of longitudinal chord and X datum plane and output.

The present invention also provides a kind of capacity checking devices, and for checking glass, the capacity checking device includes: three-dimensional modeling creation mould Block, for the identifiable graph data of Three-dimensional CAD Environment to be imported into Three-dimensional CAD Environment, to be formed in Three-dimensional CAD Environment The three-dimensional modeling of glass, the three-dimensional modeling are the three-dimension curved surface bodies for having thickness；First selection of measuring point module, in the glass that keeps out the wind Multiple measurement points are chosen on the first surface of glass；First index path drafting module, for according to light propagation principle, production along It is parallel to Y datum plane and Z datum plane direction passes through the incident ray of each measurement point, enter after first surface reflects Inside windshield, and the first index path of the outside of windshield is directly refracted to from the second surface of windshield, and Enter inside windshield after first surface reflects, and after the second surface of windshield and first surface successively reflect The second index path of the outside of windshield is refracted to from second surface again；Excursion of the subsidiary image measurement module, for measuring across every The outside of windshield is refracted in the first index path and the second index path of the incident ray of a measurement point from second surface Angle between the propagation path of some light, the angle are referred to as windshield in the excursion of the subsidiary image of corresponding measurement point；It is secondary As calculations of offset module, for calculating the maximum excursion of the subsidiary image of each measurement point, and the maximum point of maximum excursion of the subsidiary image is calculated.

Optionally, the capacity checking device further include: the second index path drafting module, for according to light propagation principle, system The incident ray that Y datum plane and Z datum plane direction are parallel to across each measurement point is laggard by first surface refraction Enter inside windshield, and be directly refracted to the third index path of the outside of windshield from the second surface of windshield, makes Make along the predetermined point for being parallel to Y datum plane and Z datum plane direction and passing through predetermined quantity corresponding with the measurement point Incident ray, after first surface reflects enter windshield inside, and directly from the second surface of windshield reflect To the 4th index path of the outside of windshield；Light distortion measurement module, for measuring in third index path and the 4th index path The angle being refracted to from second surface between the propagation path of some light of the outside of windshield, and for calculating the folder The ratio at angle and Δ X, the ratio are referred to as the light distortion of the measurement point；Light distortion comparison module, for calculating each survey Measure point light distortion maximum value, and more all measurement points light distortion maximum value.

Optionally, the capacity checking device further include: radius of curvature measurement module, for measuring main drive in the wiper region of side respectively Measurement point drives the radius of curvature of the length direction of side scraping article along master, and for measuring each measurement point edge in the wiper region of the passenger side side The radius of curvature of the length direction of the passenger side side scraping article；Torsion comparison module, for the measurement driven in the wiper region of side will to be led The radius of curvature of point is compared with the curvature that measurement point master drives side scraping article requirement, when the main measurement point driven in the wiper region of side Radius of curvature less than a preset value when think that the measurement point is wiper risk point, and for will be in the wiper region of the passenger side side The radius of curvature of measurement point is compared with the curvature that the passenger side side scraping article requires, when the curvature of the measurement point in the wiper region of the passenger side side Think that the measurement point is wiper risk point when radius is less than a preset value；Ratio judgment module, for checking Zhu Jiace wiper area Whether the accounting of domain and the passenger side side wiper region in core field of vision and clear area meets predetermined ratio；Angle of attack calculates mould Block, for measuring the main angle of attack for driving each measurement point in side wiper region and the passenger side side wiper region.

A kind of capacity checking device and check method provided by the invention, have the advantages that

The excursion of the subsidiary image of glass is checked in a manner of quantization, result is suitable for different glass manufacturers, can be used for school The glass of core difference manufacturer manufacture, and the excursion of the subsidiary image of glass is uniformly checked in a manner of quantization, glass can be effectively improved Check efficiency

The light distortion of glass is checked in a manner of quantization, result is suitable for different glass manufacturers, can be used for checking The glass of different manufacturers manufacture, and the light distortion of glass is uniformly checked in a manner of quantization, the school of glass can be effectively improved Core efficiency.

Checked in a manner of quantization glass can wiper performance, result be suitable for different glass manufacturers, and with The mode of quantization uniformly check glass can wiper performance, the check efficiency of glass can be effectively improved.

Detailed description of the invention

Fig. 1 is the flow chart that the excursion of the subsidiary image situation of windshield is checked in the embodiment of the present invention one；

Fig. 2 is to draw when checking the excursion of the subsidiary image situation of windshield in the embodiment of the present invention one in a certain measurement point The schematic diagram of first index path and the second index path；

Fig. 3 is the process that the graph data of the identifiable first surface of Three-dimensional CAD Environment is obtained in the embodiment of the present invention one Figure；

Fig. 4 is the flow chart that the three-dimensional modeling data of first surface of windshield is obtained in the embodiment of the present invention one；

Fig. 5 is core field of vision in the embodiment of the present invention one on the first surface of windshield and clear area choose it is more The flow chart of a measurement point；

Fig. 6 is the flow chart that the light distortion situation of windshield is checked in the embodiment of the present invention two；

Fig. 7 is to draw when checking the excursion of the subsidiary image situation of windshield in the embodiment of the present invention two in a certain measurement point The schematic diagram of third index path and the 4th index path；

Fig. 8 is the flow chart that the geometrical characteristic of windshield is checked in the embodiment of the present invention three；

Fig. 9 is the schematic diagram that the geometrical characteristic of windshield is checked in the embodiment of the present invention three；

Figure 10 be in the embodiment of the present invention four check windshield can wiper performance flow chart；

Figure 11 is the schematic diagram of the first surface of windshield in the embodiment of the present invention four；

Figure 12 is to drive in the embodiment of the present invention four with the main angle of attack for driving the corresponding measurement point in the midpoint of side scraping article and leading Graph of relation between the rotation angle of side scraping article；

Figure 13 is the angle of attack and the passenger side of measurement point corresponding with the midpoint of the passenger side side scraping article in the embodiment of the present invention four Graph of relation between the rotation angle of side scraping article.

Specific embodiment

Capacity checking device proposed by the present invention and check method are made below in conjunction with the drawings and specific embodiments further detailed Explanation.According to following explanation, advantages and features of the invention will be become apparent from.It should be noted that attached drawing is all made of very simplification Form and use non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.

Embodiment one

The present embodiment provides a kind of check method, the check method is used to check the excursion of the subsidiary image of the windshield of vehicle Situation.

It is the flow chart that the excursion of the subsidiary image situation of windshield is checked in the embodiment of the present invention one with reference to Fig. 1 and Fig. 2, Fig. 1, Fig. 2 is the first optical path drawn when checking the excursion of the subsidiary image situation of windshield in the embodiment of the present invention one in a certain measurement point The schematic diagram of figure and the second index path.

The check method includes:

The identifiable graph data of Three-dimensional CAD Environment is imported into Three-dimensional CAD Environment, in three-dimensional CAD by step S010 The three-dimensional modeling of glass is formed in environment, which is the three-dimension curved surface body for having thickness.

Step S110 chooses multiple measurement points on the first surface of windshield, wherein first surface is windshield Close to the outer surface of automobile external side.

Step S120, according to light propagation principle, production along be parallel to Y datum plane and Z datum plane pass through it is each The incident ray of measurement point enters the inside of windshield after first surface reflects, and directly from the second of windshield Surface refraction to the outside of windshield the first index path L1, and after first surface reflects enter windshield in Portion, and the outside of windshield is refracted to after the second surface of windshield and first surface successively reflect from second surface again The second index path L2, wherein second surface is outer surface of the windshield close to automotive interior side.

Step S130, measurement in the first index path L1 and the second index path L2 of the incident ray of each measurement point from Second surface is refracted to the angle between the propagation path of some light of the outside of windshield, and the angle is referred to as to keep out the wind Excursion of the subsidiary image of the glass in corresponding measurement point.

Step S140 calculates the maximum excursion of the subsidiary image of each measurement point.

In the present embodiment, the coordinate system of the vehicle refer to vehicular manufacturer the initial design stage determine by three just The coordinate system of the datum plane composition of friendship.These three datum planes are: X datum plane, flat perpendicular to the vertical of Y datum plane Face, and pass through left and right front-wheel center；Y datum plane, longitudinal plane of symmetry of vehicle；Z datum plane, perpendicular to Y and X datum plane Horizontal plane.The design point of the vehicle seating positions is normally referred to as R point.

In the present embodiment, in step S010, the identifiable graph data of Three-dimensional CAD Environment includes windshield The graph data of first surface.It is acquisition identifiable first table of Three-dimensional CAD Environment in the embodiment of the present invention one with reference to Fig. 3, Fig. 3 The flow chart of the graph data in face can obtain Three-dimensional CAD Environment identifiable first as follows before step S010 The graph data on surface, specific as follows:

Step S011 obtains the three-dimensional modeling data of the first surface of windshield.

It is identifiable to be converted into Three-dimensional CAD Environment by step S012 for the three-dimensional modeling data of the first surface of windshield Graph data.

It wherein, is the threedimensional model number that the first surface of windshield is obtained in the embodiment of the present invention one with reference to Fig. 4, Fig. 4 According to flow chart.Step S011 includes,

Step S0111 measures the dimensional parameters of the first surface of windshield；

Step S0112 draws the first surface of windshield according to the dimensional parameters of the first surface of the windshield Threedimensional model, and export the three-dimensional modeling data of the first surface of windshield.

In step S0111, the dimensional parameters of the first surface of windshield are usually measured by three-coordinates measuring machine.Institute Stating three-coordinates measuring machine can be laser measuring apparatus.The first surface of the windshield can be in the plasticine model of vehicle The first surface of the first surface of windshield or the windshield of each supplier manufacture.

In step S012, the Three-dimensional CAD Environment refers to the operative scenario of common Three-dimensional CAD Software.The figure number After importing in Three-dimensional CAD Environment, the three-dimensional modeling of the first surface of windshield is formed in Three-dimensional CAD Environment, works as three-dimensional When CAD environment is shown on the display apparatus, the three-dimensional modeling of the first surface of windshield can be shown in a display device.

It in other embodiments, can be by the identifiable figure number of the Three-dimensional CAD Environment obtained by another way According to being applied directly in above-mentioned steps S010, to form the first surface of windshield in Three-dimensional CAD Environment.

In step S010, the identifiable graph data of Three-dimensional CAD Environment further includes the thickness information of windshield.

Each measurement point in the step S110 can be the measurement point in core field of vision and clear area.

Below for checking the core field of vision of automobile and the excursion of the subsidiary image of clear area explanation core field of vision and thoroughly The process of multiple measurement points is selected on area pellucida, can also be chosen on the first surface of windshield in other ways certainly Multiple measurement points.With reference to Fig. 5, Fig. 5 be core field of vision in the embodiment of the present invention one on the first surface of windshield and Choose the flow chart of multiple measurement points in clear area.The processes of multiple measurement points is selected on core field of vision and clear area specifically such as Under:

Step S111 establishes reference frame in Three-dimensional CAD Environment, and makes first of windshield in reference frame The position on surface is identical as the position of first surface of windshield in the coordinate system of vehicle.

Upper eyespot and lower eyespot is arranged in step S112 in Three-dimensional CAD Environment, and makes eyespot and the opposite reference of lower eyespot The position of coordinate system of the position of coordinate system with upper eyespot and lower eyespot relative to vehicle is identical.

Step S113 draws core field of vision and clear area on the first surface of windshield.

Step S114 rotates first datum level parallel with X datum plane according to the first multiple and different predetermined angulars, with Obtain multiple first reference planes, and rotary shaft when first datum level rotates be parallel to reference frame Y-axis and Across the straight line of the upper eyespot.

Step S115 rotates second datum level parallel with X datum plane according to the second multiple and different predetermined angulars, with Obtain multiple second reference planes, and rotary shaft when second datum level rotates be parallel to reference frame Y-axis and Across the straight line of the lower eyespot.

Step S116 calculates all first reference planes and second reference planes and the first surface Intersection, to obtain a plurality of intersecting lens；

Step S117 chooses multiple measurement points on the intersecting lens being located in core field of vision and clear area, is located at core Multiple measurement points in field of vision are the first measurement point, and multiple measurement points in clear area are the second survey Amount point.

In above-mentioned steps S112, the upper eyespot and lower eyespot are referred to as V point.V point be in vehicle manufacture field, according to What relevant laws and regulations determined is used to check the whether satisfactory point of Vehicular visual.V point usually passes through on the outside of front row in seating position Longitudinal vertical plane of heart line, and it is related with R point and design backrest angle.

In above-mentioned steps S113, the core field of vision is normally referred to as the area A, and the clear area is normally referred to as the area B. Described in relevant laws and regulations drafting generally according to the position of upper eyespot and lower eyespot, and with the visual field Division immediately ahead of driver Core field of vision and the clear area.

In above-mentioned steps S117, multiple measurement points can be uniformly chosen on all intersecting lenses；It can make choose the One measurement point is intensive compared with the second measurement point；Can on all intersecting lenses be located at core field of vision in part uniformly choose it is more A measurement point, while multiple measurement points are uniformly chosen in the part that can be located on all intersecting lenses in clear area, also, every The first measurement point is intensive compared with the second measurement point on intersecting lens.

The check method further include:

Step S150 is required according to difference of each region of windshield to excursion of the subsidiary image, using a variety of labels to the glass that keeps out the wind Each measurement point on the first surface of glass is identified.

Step S160 exports the excursion of the subsidiary image report of windshield.

In the step S150, can according to the requirement of excursion of the subsidiary image of the windshield in core field of vision and clear area, The measurement point in core field of vision and clear area is identified using the label of different colours.For example, windshield is in core Excursion of the subsidiary image in field of vision and clear area requires to may is that not less than one first regulation of excursion of the subsidiary image in core field of vision Numerical value, excursion of the subsidiary image in clear area are not less than second specified value, to the excursion of the subsidiary image of core field of vision less than the The measurement point red-label of one specified value is not less than the measurement point of the first specified value to the excursion of the subsidiary image of core field of vision With Green Marker, the orange label of measurement point to the excursion of the subsidiary image of clear area less than the second specified value, to the pair of clear area As offset is not less than the measurement point blue markings of the second specified value.Certainly, windshield in core field of vision and transparent Excursion of the subsidiary image in area requires to be also possible to: whether it is in a certain numberical range according to the size of the excursion of the subsidiary image of measurement point, Measurement point in a certain numberical range is identified using a kind of color, to the measurement point being less than in a certain numberical range It is identified using another color, the measurement point being greater than in a certain numberical range is identified using another color, and And judge that the numberical range of the excursion of the subsidiary image of core field of vision can be not equal to the numberical range for the excursion of the subsidiary image for judging clear area.Gear Excursion of the subsidiary image of the wind glass in core field of vision and clear area requires to can also be some other regulations, no longer superfluous herein It states.

In the step S160, the excursion of the subsidiary image report of the windshield includes: the windshield comprising various labels Three-dimensional modeling, each measurement point and its maximum measurement point of excursion of the subsidiary image and excursion of the subsidiary image on the first surface of windshield And its excursion of the subsidiary image.

The check method of windshield in the present embodiment, checks windshield excursion of the subsidiary image, result in a manner of quantization It suitable for different glass manufacturers, can be used for checking the windshield of different manufacturer's manufactures, and united in a manner of quantization One checks the excursion of the subsidiary image of windshield, can effectively improve the check efficiency of windshield.Wherein, the secondary picture of the windshield Deviate the optical property for checking windshield.

Embodiment two

The present embodiment provides a kind of check methods.The area of check method and the check method in embodiment one in the present embodiment It is not, check method described in the present embodiment can also check the light distortion situation of the windshield of vehicle.

It is the flow chart that the light distortion situation of windshield is checked in the embodiment of the present invention two, figure with reference to Fig. 6 and Fig. 7, Fig. 6 7 be the third index path drawn when checking the excursion of the subsidiary image situation of windshield in the embodiment of the present invention two in a certain measurement point With the schematic diagram of the 4th index path.The check method further include:

Step S210, according to light propagation principle, production is parallel to Y datum plane and along being parallel to Y datum plane and Z The incident ray that datum plane direction passes through each measurement point enters inside windshield after first surface reflects, and directly The third index path L3 of the outside of windshield is refracted to from the second surface of windshield, production is flat along Y benchmark is parallel to Face and Z datum plane direction pass through the incident ray of the predetermined point of predetermined quantity corresponding with the measurement point, by first Enter inside windshield after surface refraction, and be directly refracted to from the second surface of windshield windshield outside the Four index path L4.Wherein, the projection of each measurement point and each predetermined point corresponding with the measurement point on X datum plane Between spacing be Δ X.That is, the predetermined point of predetermined quantity corresponding with measurement point is distributed in using the measurement point as center of circle radius On circle for Δ X.Across the 4th index path L4 of the incident ray of the predetermined point of predetermined quantity corresponding with measurement point Quantity is equal to the predetermined quantity.

Step S220 is calculated in third index path L3 and the 4th index path L4 and is refracted to the outer of windshield from second surface Angle between the propagation path of some light in portion, calculates the ratio of the angle Yu Δ X, and the ratio is referred to as the survey Measure point light distortion, wherein the third index path L3 be across each measurement point incident ray index path, the described 4th Index path L4 is the index path of the incident ray of the predetermined point across predetermined quantity corresponding with the measurement point.Specifically, The measuring tool in three-dimensional software can be called, manually or automatically to calculate in third index path L3 and the 4th index path L4 from Two surface refractions are to the angle between the propagation path of some light of the outside of windshield.

Step S230 calculates the maximum value of the light distortion of each measurement point, and the light distortion of more all measurement points Maximum value, the maximum point of maximum value and the maximum light distortion of point to obtain light distortion.

In the step S210, each measurement point can be the measurement point in core field of vision and clear area.

In the step S220, the of the incident ray of the predetermined point due to passing through predetermined quantity corresponding with measurement point The quantity of four index path L4 is equal to the predetermined quantity, therefore each measurement point corresponds to the light distortion of predetermined quantity.

The check method further include:

Step S240, according to the maximum light distortion of each measurement point and the light distortion of the measurement point windshield It is required that being identified using various labels to the first surface of windshield.

Step S250 exports the light distortion report of windshield.

It, can be according to light distortion of the first surface of windshield in core field of vision and clear area in the step S240 Requirement, the measurement point in core field of vision and clear area is identified using different colours.For example, the first of windshield Light distortion of the surface in core field of vision and clear area requires to may is that the light distortion in core field of vision the not less than one Three specified values, the light distortion in clear area are not less than the 4th specified value, are less than to the light distortion of core field of vision The measurement point red-label of third specified value is not less than the measurement point of third specified value to the light distortion of core field of vision With Green Marker, the orange label of measurement point to the light distortion of clear area less than the 4th specified value is abnormal to the light of clear area Become the measurement point blue markings for being not less than the 4th specified value.Certainly, windshield in core field of vision and clear area Light distortion require be also possible to: whether be in a certain numberical range according to the size of the light distortion of measurement point, to be in certain Measurement point in one numberical range is identified using a kind of color, to the measurement point being less than in a certain numberical range using another Kind color is identified, and is identified to the measurement point being greater than in a certain numberical range using another color, and judge core The numberical range of the light distortion of heart field of vision can be not equal to the numberical range for the light distortion for judging clear area.Windshield in core Light distortion in heart field of vision and clear area requires to can also be some other regulations, and details are not described herein.

In the step S250, the light distortion report of the windshield includes: the windshield comprising various labels Three-dimensional modeling, the maximum value of the maximum value and light distortion of each measurement point and its light distortion is most on the first surface of windshield Big point and the maximum light distortion of point.

In the present embodiment, the step S210 can be carried out after the step S110 in example 1.

The check method of windshield in the present embodiment, checks the light distortion of windshield, result in a manner of quantization It suitable for different glass manufacturers, can be used for checking the windshield of different manufacturer's manufactures, and united in a manner of quantization One checks the light distortion of windshield, can effectively improve the check efficiency of windshield.Wherein, the light of the windshield is checked Distortion is with the optical property for checking windshield.

Embodiment three

The present embodiment provides a kind of check methods of the windshield of vehicle.The school of the windshield of vehicle in the present embodiment The difference of kernel method and the check method of the windshield in embodiment one is, the check method of windshield in the present embodiment The geometrical characteristic of the windshield of vehicle can also be checked.

It is the flow chart that the geometrical characteristic of windshield is checked in the embodiment of the present invention three, Fig. 9 with reference to Fig. 8 and Fig. 9, Fig. 8 It is the schematic diagram that the geometrical characteristic of windshield is checked in the embodiment of the present invention three.It is checked in the check method of the windshield The step of geometrical characteristic of windshield includes:

Step S310 draws the first surface P and Y datum plane of windshield on the first surface P of windshield Intersection, and the line of two endpoints of the intersection is drawn, the intersection is referred to as longitudinal camber line Z1, and the line is referred to as vertical To string Z2.

Step S320 searches the maximum point of spacing on longitudinal camber line Z1 between longitudinal chord Z2, which is referred to as longitudinal Salient point T, and the spacing between longitudinal direction salient point T and longitudinal chord Z2 is measured, the spacing is referred to as longitudinal pitch, and it is vertical to export this To salient point T and longitudinal pitch.The longitudinal direction salient point T and longitudinal pitch are used to characterize the molding complexity of windshield, To judge the manufacturability of windshield.

Step S330 successively draws multiple normal planes along the longitudinal chord Z2 on the first surface P of windshield, this A little normal planes are the normal plane of the longitudinal chord Z2, to obtain the intersection of the first surface P of multiple normal planes and windshield, And the line of two endpoints of these intersections is drawn, these lateral intersections are referred to as lateral camber line Z3, these lines are referred to as cross To string Z4.

Step S340 searches the spacing on each lateral camber line Z3 between lateral string Z4 corresponding with each transverse direction camber line Z3 Maximum, which is referred to as lateral salient point, and measures the spacing between the transverse direction salient point and lateral string Z4, and the spacing is referred to as For horizontal spacing, and the size of the spacing between more all lateral salient points and lateral string Z4, with obtain in lateral salient point with The maximum lateral salient point of spacing between lateral string Z4 simultaneously exports between the transverse direction salient point and transverse direction corresponding with the transverse direction salient point Away from.The lateral salient point of output and horizontal spacing corresponding with the transverse direction salient point are for characterizing the molding difficulty or ease journey of windshield Degree, to judge the manufacturability of windshield.

Step S350 draws the normal plane of longitudinal chord Z2 on the first surface P of windshield, and between longitudinal chord Z2 The maximum longitudinal direction salient point T of spacing be located on the normal plane, measure longitudinal chord Z2 midpoint M and the normal plane between Away from.The spacing is referred to as the symmetry of the first surface of the windshield, the symmetry for characterize windshield at The complexity of type, to judge the manufacturability of windshield.

Step S360, measures the angle of longitudinal chord Z2 and X datum plane, and the angle is referred to as established angle.

In the present embodiment, the step S310 can be carried out after the step S010 in example 1.

Example IV

The present embodiment provides a kind of check methods of the windshield of vehicle.The school of the windshield of vehicle in the present embodiment The difference of kernel method and the check method of the windshield in embodiment one is, the check method of windshield in the present embodiment Can also check the windshield of vehicle can wiper performance.

With reference to Figure 10 and Figure 11, Figure 10 be in the embodiment of the present invention four check windshield can wiper performance process Figure, Figure 11 is the schematic diagram of the first surface of windshield in the embodiment of the present invention four.In the check method of the windshield Checking windshield can include: the step of wiper performance

Step S420, the main curvature half driven each measurement point in the Q1 of side wiper region and drive the length direction of side scraping article along master of measurement Diameter, measure the passenger side side wiper region Q2 in each measurement point along the length direction of the passenger side side scraping article radius of curvature.

The main radius of curvature for driving the measurement point in the Q1 of side wiper region and measurement point master are driven side scraping article by step S430 It is required that curvature compare, think the survey when the main radius of curvature for driving the measurement point in the Q1 of side wiper region is less than a preset value Amount point is wiper risk point；The curvature phase that the radius of curvature of measurement point in the wiper region of the passenger side side is required with the passenger side side scraping article Compare, thinks that the measurement point is wiper risk when the radius of curvature of the measurement point in the wiper region of the passenger side side is less than a preset value Point, and export wiper risk point.Usually exist in wiper risk point and sweeps sordid phenomenon.Wherein, Zhu Jiace wiper area The preset value of the radius of curvature of the preset value and measurement point in the wiper region of the passenger side side of the radius of curvature of measurement point in the Q1 of domain Can be identical, it can not also be identical.

Step S440 checks master and drives side wiper region Q1 and the passenger side side wiper region Q2 in core field of vision and clear area Accounting whether meet predetermined ratio and export.

Step S450, measurement is main to drive in side wiper region Q1 and the passenger side side wiper region Q2 the angle of attack of each measurement point and defeated Out.

In the present embodiment, each measurement point can be the measurement point in core field of vision and clear area.In the core visual field Measurement point in area is known as third measurement point, and the measurement point in clear area is known as the 4th measurement point.

In the present embodiment, the step S110 that multiple measurement points are arranged on the first surface P of windshield is specifically included:

Step S411 drives the wiper region of side scraping article and the passenger side side scraping article on the first surface of windshield according to master, Corresponding master is drawn out on the first surface of windshield drives side wiper region Q1 and the passenger side side wiper region Q2.

Step S412, draws out a plurality of contact line on the first surface P of windshield, the length of the contact line and Side scraping article and the passenger side side scraping article are driven on the windshield with the master in position of the contact line relative to the windshield Length and position are corresponding.As shown in Figure 10, master drives side scraping article and the passenger side side scraping article during wiper respectively around respective Rotary shaft rotation, a plurality of contact line of the main first surface P for driving side scraping article and the passenger side side scraping article and windshield is respectively with master The rotary shaft for driving side scraping article and the passenger side side scraping article is that starting point is distributed in aplysia punctata, the main first surface for driving side scraping article and windshield The a plurality of contact line of P is the first contact line N1, and a plurality of contact line of the first surface P of the passenger side side scraping article and windshield is second Contact line N2.

Step S413 intercepts multiple third measurement points and more respectively on a plurality of first contact line N1 and the second contact line N2 A 4th measurement point.

Wherein, it in the step S413, can uniformly be intercepted in all the first contact lines and the second contact line multiple Measurement point；Angle between any two the first adjacent contact lines is equal to the first predetermined angular, and any two adjacent second Angle between contact line is equal to the second predetermined angular, first predetermined angular and second predetermined angular can it is equal or It is unequal.

Specifically, the step S440 includes:

Step S441 calculates the main union for driving side wiper region Q1 and the passenger side side wiper region Q2；

Step S442 calculates the friendship of the main union for driving side wiper region Q1 and the passenger side side wiper region Q2 and core field of vision Collection, the intersection is referred to as the first intersection, and calculates the ratio that first intersection accounts for the core field of vision, and the ratio claims Be the first ratio；

Step S443, compares whether the first ratio is greater than the first predetermined ratio, makes a reservation for if the first ratio is more than or equal to first Ratio, then meet related request and output meets predetermined ratio, if the first ratio is unsatisfactory for correlation less than the first predetermined ratio It is required that and exporting and being unsatisfactory for predetermined ratio；

Step S444 calculates the intersection of the main union for driving side wiper region Q1 and the passenger side side wiper region Q2 and clear area, The intersection is referred to as the second intersection, and calculates the ratio that second intersection accounts for clear area, and the ratio is referred to as the second ratio Example；

Step S445, compares whether the second ratio is greater than the second predetermined ratio, makes a reservation for if the second ratio is more than or equal to second Ratio, then meet related request and output meets predetermined ratio, if the second ratio is unsatisfactory for correlation less than the second predetermined ratio It is required that and exporting and being unsatisfactory for predetermined ratio.

Specifically, the step S450 includes:

Step S451 draws multiple length for being respectively perpendicular to master and driving side scraping article and the passenger side side scraping article in Three-dimensional CAD Environment It spends direction and passes through the third reference planes of each measurement point, and draw the third reference planes and drive side scraping article or the passenger side side with master The intersection of scraping article draws the center line across the measurement point on the intersection.

Step S452, the angle being calculated through between the center line of each measurement point and the normal of the measurement point and output, institute Stating angle is the angle of attack in the measurement point.

Wherein, it in step S452, when exporting angle of attack, with reference to Figure 12, can export and the main midpoint phase for driving side scraping article The angle of attack of corresponding measurement point and the main relation curve driven between the rotation angle of side scraping article.With reference to Figure 13, can also export Relation curve between the angle of attack of measurement point corresponding with the midpoint of the passenger side side scraping article and the rotation angle of the passenger side side scraping article. The angle of attack drives the evenness that side scraping article and the passenger side side scraping article move on the first surface of windshield to characterize master, The wipers defects such as shake, abnormal sound, distortion are generated in wiper to avoid master from driving side scraping article and the passenger side side scraping article.

The check method of windshield in the present embodiment, checked in a manner of quantization windshield can wiper performance, As a result be suitable for different glass manufacturers, and uniformly checked in a manner of quantization windshield can wiper performance, can have Effect improves the check efficiency of windshield.

Embodiment five

The present embodiment provides a kind of capacity checking devices.The capacity checking device is used to check the excursion of the subsidiary image of the windshield of vehicle Situation.

Capacity checking device described in the present embodiment includes: three-dimensional modeling creation module, selection of measuring point module, the first index path Drafting module, excursion of the subsidiary image measurement module and excursion of the subsidiary image computing module.

The three-dimensional modeling creation module is used to the identifiable graph data of Three-dimensional CAD Environment importeding into three-dimensional CAD ring In border, to form the three-dimensional modeling of glass in Three-dimensional CAD Environment, which is the three-dimension curved surface body for having thickness.

The selection of measuring point module on the first surface of windshield for choosing multiple measurement points, wherein described First surface is outer surface of the windshield close to automobile external side.

The first index path drafting module is used for according to light propagation principle, and production is along being parallel to Y datum plane and Z Datum plane direction passes through the incident ray of each measurement point, enters inside windshield after first surface reflects, and straight The first index path that the outside of windshield is refracted to from the second surface of windshield is connect, and after first surface reflects It is refracted to again from second surface into inside windshield, and after the second surface of windshield and first surface successively reflect Second index path of the outside of windshield.The measurement point can be the measurement point in core field of vision and clear area.

The excursion of the subsidiary image measurement module is used to measure the first index path and the of incident ray across each measurement point The angle being refracted in two index paths from second surface between the propagation path of some light of the outside of windshield, the folder Angle is referred to as windshield in the excursion of the subsidiary image of corresponding measurement point.

The excursion of the subsidiary image computing module is used to calculate the maximum excursion of the subsidiary image of each measurement point, and calculates maximum excursion of the subsidiary image Maximum point.

The capacity checking device further includes excursion of the subsidiary image mark module and excursion of the subsidiary image output module.

The excursion of the subsidiary image mark module is used to be required according to difference of each region of windshield to excursion of the subsidiary image, using more Kind label is identified each measurement point on the first surface of windshield.Specifically, the excursion of the subsidiary image mark module can According to the requirement of excursion of the subsidiary image of the first surface of windshield in core field of vision and clear area, using the mark of different colours Note is identified the measurement point in core field of vision and clear area.For example, the first surface of windshield is in core field of vision It requires may is that with the excursion of the subsidiary image in clear area and is not less than first specified value in the excursion of the subsidiary image of core field of vision, Excursion of the subsidiary image in clear area is not less than second specified value, provides to the excursion of the subsidiary image of core field of vision less than first The measurement point red-label of numerical value, it is green not less than the measurement point of the first specified value to the excursion of the subsidiary image of core field of vision Label, the orange label of measurement point to the excursion of the subsidiary image of clear area less than the second specified value, to the excursion of the subsidiary image of clear area Not less than the measurement point blue markings of the second specified value.Certainly, the first surface of windshield core field of vision and thoroughly Excursion of the subsidiary image in area pellucida requires to be also possible to: whether being in a certain numberical range according to the size of the excursion of the subsidiary image of measurement point It is interior, the measurement point in a certain numberical range is identified using a kind of color, the survey to being less than in a certain numberical range Amount point is identified using another color, is marked to the measurement point being greater than in a certain numberical range using another color Know, and judges that the numberical range of the excursion of the subsidiary image of core field of vision can be not equal to the numerical value model for the excursion of the subsidiary image for judging clear area It encloses.Excursion of the subsidiary image of the first surface of windshield in core field of vision and clear area requires to can also be some other rule Fixed, details are not described herein.

The excursion of the subsidiary image output module is used to export the excursion of the subsidiary image report of windshield.The secondary picture of the windshield Offset report includes: the first surface of the windshield comprising various labels, on the first surface of windshield each measurement point and Its excursion of the subsidiary image and the maximum measurement point of excursion of the subsidiary image and its excursion of the subsidiary image.

In the present embodiment, the three-dimensional modeling creation module is imported by the identifiable graph data of Three-dimensional CAD Environment Before in Three-dimensional CAD Environment the identifiable figure of Three-dimensional CAD Environment can be obtained by data acquisition module and data conversion module Data.

The data acquisition module is used to obtain the three-dimensional modeling data of the first surface of windshield.The data conversion Module is used to the three-dimensional modeling data of the first surface of windshield being converted into the identifiable graph data of Three-dimensional CAD Environment.

Wherein, the data acquisition module includes parameters measurement module and modeling rendering module.The parameters measurement module For measuring the dimensional parameters of the first surface of windshield.The modeling rendering module is used for the according to the windshield The dimensional parameters on one surface draw the threedimensional model of the first surface of windshield, and export windshield first surface three Dimension module data.

The parameters measurement module is usually three-coordinates measuring machine.The first surface of the windshield can be vehicle The first surface of the first surface of windshield in plasticine model or the windshield of each supplier manufacture.The three-dimensional CAD environment refers to the operative scenario of common Three-dimensional CAD Software.After the graph data imports in Three-dimensional CAD Environment, in three-dimensional The first surface that windshield is formed in CAD environment can be in display device when Three-dimensional CAD Environment is shown on the display apparatus The first surface of middle display windshield.The selection of measuring point module is multiple for choosing on the first surface of windshield Measurement point.

The capacity checking device of windshield in the present embodiment, checks the excursion of the subsidiary image of windshield in a manner of quantization, can use In the windshield for checking the manufacture of different manufacturers, and the excursion of the subsidiary image of windshield is uniformly checked in a manner of quantization, it can Effectively improve the check efficiency of windshield.Wherein, the excursion of the subsidiary image of the windshield is used to check the optics of windshield Performance.

Embodiment six

The present embodiment provides a kind of capacity checking devices.Capacity checking device in the present embodiment and the capacity checking device in embodiment five Difference is that capacity checking device described in the present embodiment can also be used in the light distortion situation for checking the windshield of vehicle.

The capacity checking device of windshield in the present embodiment further include: the second index path drafting module, light distortion measurement module With light distortion comparison module.

The second index path drafting module is used for according to light propagation principle, and production is parallel to Y datum plane and Z benchmark The incident ray that plane passes through each measurement point enters inside windshield after first surface reflects, and directly from the glass that keeps out the wind The second surface of glass is refracted to the third index path of the outside of windshield, and production is along being parallel to Y datum plane and Z benchmark is flat Face direction passes through the incident ray of the predetermined point of predetermined quantity corresponding with the measurement point, reflects by first surface laggard Enter inside windshield, and is directly refracted to the 4th index path of the outside of windshield from the second surface of windshield.Its In, the spacing of each measurement point and each predetermined point corresponding with the measurement point between the projection on X datum plane is equal For Δ X.That is, the circle that it is Δ X as center of circle radius using the measurement point that the predetermined point of predetermined quantity corresponding with measurement point, which is distributed in, On circle.It is equal to across the quantity of the 4th index path of the incident ray of the predetermined point of predetermined quantity corresponding with measurement point described Predetermined quantity.

The light distortion measurement module is refracted to gear from second surface for measuring in third index path and the 4th index path Angle between the propagation path of some light of the outside of wind glass, and the ratio for calculating the angle Yu Δ X, it is described Ratio is referred to as the light distortion of the measurement point.Wherein, the third index path is the incident ray across each measurement point Index path, the 4th index path are the light of the incident ray of the predetermined point across predetermined quantity corresponding with the measurement point Lu Tu.

The light distortion comparison module is used to calculate the maximum value of the light distortion of each measurement point, and more all surveys Measure the maximum value of the light distortion of point, the maximum point of maximum value and the maximum light distortion of point to obtain light distortion.

The capacity checking device further includes light distortion mark module and light distortion output module.

The light distortion mark module according to the maximum light distortion and the measurement point of each measurement point for keeping out the wind The requirement of the light distortion of glass is identified the first surface of windshield using various labels.The light distortion identifies mould Block can be according to the requirement of light distortion of the first surface of windshield in core field of vision and clear area, using different colours pair Measurement point in core field of vision and clear area is identified.For example, the first surface of windshield is in core field of vision and thoroughly Light distortion in area pellucida requires to may is that in the light distortion of core field of vision not less than a third specified value, in clear area In light distortion be not less than the 4th specified value, the measurement point of third specified value is less than to the light distortion of core field of vision With red-label, the measurement point Green Marker of third specified value is not less than to the light distortion of core field of vision, to clear area Light distortion less than the orange label of measurement point of the 4th specified value, the 4th specified value is not less than to the light distortion of clear area Measurement point blue markings.Certainly, light distortion requirement of the first surface of windshield in core field of vision and clear area It is also possible to: whether is in a certain numberical range according to the size of the light distortion of measurement point, in a certain numberical range Measurement point be identified using a kind of color, the measurement point being less than in a certain numberical range is marked using another color Know, the measurement point being greater than in a certain numberical range is identified using another color, and judge the light of core field of vision The numberical range of distortion can be not equal to the numberical range for the light distortion for judging clear area.The first surface of windshield is regarded in core Light distortion in wild area and clear area requires to can also be some other regulations, and details are not described herein.

The light distortion output module is used to export the light distortion report of windshield.The light distortion report of the windshield Announcement includes: the first surface of the windshield comprising various labels, and each measurement point and its light are abnormal on the first surface of windshield The maximum value of change and the maximum point of the maximum value of light distortion and the maximum light distortion of point.

The capacity checking device of windshield in the present embodiment, the light distortion of windshield is checked in a manner of quantization, can be used for The windshield of different manufacturer's manufactures is checked, and uniformly checks the light distortion of windshield in a manner of quantization, it can be effective Improve the check efficiency of windshield.Wherein, the light distortion of windshield is checked with the optical property for checking windshield.

Embodiment seven

The present embodiment provides a kind of capacity checking devices of the windshield of vehicle.The school of the windshield of vehicle in the present embodiment The difference of nuclear device and the capacity checking device of the windshield in embodiment five is, the capacity checking device of windshield in the present embodiment The geometrical characteristic of the windshield of vehicle can also be checked.

The capacity checking device of windshield in the present embodiment further include: longitudinal chord drafting module, longitudinal pitch searching module, cross To string drafting module, horizontal spacing searching module and symmetry measurement module.

The longitudinal chord drafting module on the first surface of windshield for drawing the first surface and Y of windshield The intersection of datum plane, and the line of two endpoints of the intersection is drawn, the intersection is referred to as longitudinal camber line, the line Referred to as longitudinal chord.

The longitudinal pitch searching module is used to search the maximum point of spacing on longitudinal camber line between longitudinal chord, the point Referred to as longitudinal salient point, and the spacing between the longitudinal direction salient point and longitudinal chord is measured, the spacing is referred to as longitudinal pitch, and defeated The longitudinal direction salient point and longitudinal pitch out.The longitudinal direction salient point and longitudinal pitch are for characterizing the molding difficulty or ease journey of windshield Degree, to judge the manufacturability of windshield.

The transverse direction string drafting module is used on the first surface of windshield successively draw along the longitudinal chord more A normal plane, these normal planes are the normal plane of the longitudinal chord, to obtain the first table of multiple normal planes and windshield The intersection in face, and the line of two endpoints of these intersections is drawn, these lateral intersections are referred to as lateral camber line, these lines claim For lateral string.

The horizontal spacing searching module is for searching lateral string corresponding with each transverse direction camber line on each lateral camber line Between the maximum point of spacing, which is referred to as lateral salient point, and measures the spacing between the transverse direction salient point and transverse direction string, described Spacing is referred to as horizontal spacing, and the size of the spacing between more all lateral salient points and lateral string, laterally convex to obtain The maximum lateral salient point of spacing in point between lateral string simultaneously exports the transverse direction salient point and cross corresponding with the transverse direction salient point To spacing.The lateral salient point of output and horizontal spacing corresponding with the transverse direction salient point are for characterizing the molding difficulty or ease of windshield Degree, to judge the manufacturability of windshield.

Normal plane of the horizontal spacing searching module for the drafting longitudinal chord on the first surface of windshield, and with The maximum lateral salient point of spacing between lateral string is located on the normal plane, measures between the midpoint of longitudinal chord and the normal plane Spacing.The spacing is referred to as the symmetry of the first surface of the windshield, and the symmetry is for characterizing the glass that keeps out the wind The molding complexity of glass, to judge the manufacturability of windshield.

The symmetry measurement module is used to measure the angle of longitudinal chord Yu X datum plane, and the angle is referred to as to install Angle.

Embodiment eight

The present embodiment provides a kind of capacity checking devices of the windshield of vehicle.The school of the windshield of vehicle in the present embodiment The difference of nuclear device and the capacity checking device of the windshield in embodiment five is, the capacity checking device of windshield in the present embodiment Can also check the windshield of vehicle can wiper performance.

The capacity checking device of windshield in the present embodiment further include: radius of curvature measurement module, torsion comparison module, Ratio judgment module and angle of attack computing module.

The radius of curvature measurement module is used to measure the main length driven each measurement point in the wiper region of side and drive side scraping article along master Spend the radius of curvature in direction, and for measuring the length direction of each measurement point in the wiper region of the passenger side side along the passenger side side scraping article Radius of curvature.

The torsion comparison module is used to that the radius of curvature for driving the measurement point in the wiper region of side and the measurement will to be led The main curvature for driving side scraping article requirement compares at point, when the main radius of curvature for driving the measurement point in the wiper region of side is default less than one Think that the measurement point is wiper risk point when value；And for by the radius of curvature of the measurement point in the wiper region of the passenger side side and secondary The curvature for driving side scraping article requirement compares, and recognizes when the radius of curvature of the measurement point in the wiper region of the passenger side side is less than a preset value It is wiper risk point for the measurement point.Wherein, the preset value and pair of the main radius of curvature for driving the measurement point in the Q1 of side wiper region The preset value for driving the radius of curvature of the measurement point in the wiper region of side can be identical, can not also be identical.

The ratio judgment module for check it is main drive side wiper region and the passenger side side wiper region in core field of vision and Whether the accounting in clear area meets predetermined ratio.

The angle of attack computing module drives each measurement point in side wiper region and the passenger side side wiper region for measuring master Angle of attack.

In the present embodiment, the selection of measuring point module includes wiper area determination module, contact line drafting module and survey Amount point interception module.The wiper area determination module is used for according to main side scraping article and the passenger side side scraping article driven the of windshield Wiper region on one surface draws out on the first surface of windshield and corresponding main drives side wiper region and the passenger side side is scraped Brush region.The contact line drafting module on the first surface of windshield for drawing out a plurality of contact line, the contact The position of the length of line and the contact line relative to the windshield drives side scraping article with the master and the passenger side side scraping article exists Length and position on windshield is corresponding.The measurement point interception module is used to contact in a plurality of first contact line and second Multiple third measurement points and multiple 4th measurement points are intercepted on line respectively.

The capacity checking device of windshield in the present embodiment, that checks windshield first surface in a manner of quantization can wiper Performance can be used for checking the windshield of different manufacturers manufacture, and uniformly check in a manner of quantization windshield can Wiper performance can effectively improve the check efficiency of windshield.

Capacity checking device described in above-described embodiment and check method, the windshield in addition to can be used for checking vehicle, also It can be used for checking excursion of the subsidiary image situation, the light distortion situation of all kinds of organic glasses.For example, for spectacle lens, LCD screen etc. The check of organic glass, to control and optimize the shape face of these organic glasses.

Check method described in above-described embodiment can be applied in Three-dimensional CAD Software, and can pass through three-dimensional according to the above method Second development interface in CAD software works out relative program, reported with exporting the excursion of the subsidiary image of glass by executing these programs, The check results such as light distortion report.

Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims Range.

Claims

1. a kind of check method, for checking glass, which is characterized in that the check method includes:

The identifiable graph data of Three-dimensional CAD Environment is imported into Three-dimensional CAD Environment, to form glass in Three-dimensional CAD Environment The three-dimensional modeling of glass, the three-dimensional modeling are the three-dimension curved surface bodies for having thickness, and the three-dimensional modeling includes first surface and the second table Face；

Multiple measurement points are chosen on the first surface of the three-dimensional modeling of glass；

According to light propagation principle, production passes through each measurement point along the direction for being parallel to Y datum plane and Z datum plane Incident ray, enters the inside of glass after first surface reflects, and is directly refracted to glass from the second surface of glass The first external index path, and enter after first surface reflects the inside of glass, and the second surface through glass and the One surface is refracted to the second index path of the outside of glass from second surface again after successively reflecting；

Measurement is refracted to glass from second surface in the first index path and the second index path of the incident ray of each measurement point Angle between the propagation path of some light of the outside of glass, the angle are referred to as glass in the secondary as partially of corresponding measurement point It moves；

Calculate the maximum excursion of the subsidiary image of each measurement point.

2. check method as described in claim 1, which is characterized in that the check method further include:

It is required according to difference of each region of glass to excursion of the subsidiary image, using a variety of labels to each measurement on the first surface of glass Point is identified；

Export the excursion of the subsidiary image report of glass.

3. check method as described in claim 1, which is characterized in that the check method further include:

According to light propagation principle, production is along being parallel to Y datum plane and Z datum plane direction passes through entering for each measurement point It penetrates light and enters inside glass after first surface reflects, and the outside of glass is directly refracted to from the second surface of glass Third index path, production along be parallel to Y datum plane and Z datum plane direction pass through it is corresponding with the measurement point predetermined The incident ray of the predetermined point of quantity enters inside glass after first surface reflects, and directly from the second surface of glass It is refracted to the 4th index path of the outside of glass, wherein each measurement point and each predetermined point corresponding with the measurement point Spacing between the projection on X datum plane is Δ X；

The propagation road of some light of the outside of glass is refracted in measurement third index path and the 4th index path from second surface Angle between diameter, calculates the ratio of the angle Yu Δ X, and the ratio is referred to as the light distortion of the measurement point, wherein institute State third index path be across each measurement point incident ray index path, the 4th index path be across with the measurement The index path of the incident ray of the predetermined point of the corresponding predetermined quantity of point；

Calculate the maximum value of the light distortion of each measurement point, and more all measurement points light distortion maximum value, with The maximum point of maximum value and the maximum light distortion of point to light distortion.

4. check method as claimed in claim 3, which is characterized in that the check method further include:

According to the maximum light distortion of each measurement point and the requirement of the light distortion of the measurement point glass, using various labels The first surface of the glass is identified；

Export the light distortion report of glass.

5. check method as described in claim 1, which is characterized in that the glass is the windshield of automobile, windshield Side wiper region and the passenger side side wiper region, the check method are driven including master further include:

The main radius of curvature driven each measurement point in the wiper region of side and drive the length direction of side scraping article along master of measurement, measurement the passenger side side is scraped Radius of curvature of each measurement point along the length direction of the passenger side side scraping article in brush region；

The main radius of curvature for driving the measurement point in the rain brush wiper region of side and measurement point master are driven required by the rain brush scraping article of side Curvature compare, think that the measurement point is when the main radius of curvature for driving the measurement point in the wiper region of side is less than a preset value Wiper risk point；By song required by the radius of curvature of the measurement point in the rain brush wiper region of the passenger side side and the passenger side side rain brush scraping article Rate compares, and thinks that the measurement point is wiper when the radius of curvature of the measurement point in the wiper region of the passenger side side is less than a preset value Risk point exports wiper risk point；

Measurement master drives the angle of attack of each measurement point and output in side wiper region and the passenger side side wiper region.

6. check method as claimed in claim 5, which is characterized in that selected on the first surface of the three-dimensional modeling of windshield Multiple measurement points are taken to include:

The wiper region of side rain brush scraping article and the passenger side side rain brush scraping article on the first surface of windshield is driven according to master, is being kept out the wind Corresponding master is drawn out on the first surface of glass drives side rain brush wiper region and the passenger side side rain brush wiper region；

A plurality of contact line is drawn out on the first surface of windshield, the length of the contact line and the contact line are opposite In the position of the windshield, with the master drive side rain brush scraping article and the passenger side side rain brush scraping article length on the windshield and Position is corresponding；

Multiple measurement points are intercepted in a plurality of contact line.

7. check method as described in claim 1, which is characterized in that the check method further include:

The first surface of windshield and the intersection of Y datum plane are drawn on the first surface of windshield, and described in drafting The line of two endpoints of intersection, the intersection are referred to as longitudinal camber line, and the line is referred to as longitudinal chord；

The maximum point of spacing on longitudinal camber line between longitudinal chord is searched, which is referred to as longitudinal salient point, and measures the longitudinal direction Spacing between salient point and longitudinal chord, the spacing are referred to as longitudinal pitch, and export the longitudinal direction salient point and longitudinal pitch；

Multiple normal planes are successively drawn along the longitudinal chord on the first surface of windshield, these normal planes are described The normal plane of longitudinal chord to obtain the intersection of the first surface of multiple normal planes and windshield, and draws the two of these intersections The line of a endpoint, these lateral intersections are referred to as lateral camber line, these lines are referred to as lateral string；

The maximum point of spacing on each lateral camber line between lateral string corresponding with each transverse direction camber line is searched, which is referred to as Lateral salient point, and the spacing between the transverse direction salient point and lateral string is measured, the spacing is referred to as horizontal spacing, and relatively more all Lateral salient point and lateral string between spacing size, to obtain the maximum cross of spacing in lateral salient point between lateral string To salient point and export the transverse direction salient point and horizontal spacing corresponding with the transverse direction salient point；

The normal plane of longitudinal chord is drawn on the first surface of windshield, and the maximum transverse direction of spacing between lateral string is convex Point is located on the normal plane, measures the spacing between the midpoint of longitudinal chord and the normal plane and output；

Measure the angle of longitudinal chord and X datum plane and output.

8. a kind of capacity checking device, for checking glass, which is characterized in that the capacity checking device includes:

Three-dimensional modeling creation module, for the identifiable graph data of Three-dimensional CAD Environment to be imported into Three-dimensional CAD Environment, with The three-dimensional modeling of glass is formed in Three-dimensional CAD Environment, which is the three-dimension curved surface body for having thickness；

First selection of measuring point module, for choosing multiple measurement points on the first surface of windshield；

First index path drafting module, for according to light propagation principle, production is along being parallel to Y datum plane and Z benchmark is flat Face direction passes through the incident ray of each measurement point, enters inside windshield after first surface reflects, and directly from gear The second surface of wind glass is refracted to the first index path of the outside of windshield, and enters gear after first surface reflects Wind inside glass, and the glass that keeps out the wind is refracted to from second surface again after the second surface of windshield and first surface successively reflect Second index path of the outside of glass；

Excursion of the subsidiary image measurement module, for measuring the first index path and the second index path of the incident ray across each measurement point In be refracted to from second surface windshield outside some light propagation path between angle, the angle is referred to as Excursion of the subsidiary image of the windshield in corresponding measurement point；

Excursion of the subsidiary image computing module, for calculating the maximum excursion of the subsidiary image of each measurement point, and it is maximum to calculate maximum excursion of the subsidiary image Point.

9. capacity checking device as claimed in claim 8, which is characterized in that the capacity checking device further include:

Second index path drafting module, for according to light propagation principle, production to be parallel to Y datum plane and the datum plane side Z Enter inside windshield after first surface reflects to the incident ray for passing through each measurement point, and directly from windshield Second surface be refracted to windshield outside third index path, production is along being parallel to Y datum plane and Z datum plane Direction passes through the incident ray of the predetermined point of predetermined quantity corresponding with the measurement point, enters after first surface reflects Inside windshield, and the 4th index path of the outside of windshield is directly refracted to from the second surface of windshield；

Light distortion measurement module is refracted to windshield from second surface for measuring in third index path and the 4th index path Angle between the propagation path of external some light, and the ratio for calculating the angle Yu Δ X, the ratio are referred to as For the light distortion of the measurement point；

Light distortion comparison module, the maximum value of the light distortion for calculating each measurement point, and more all measurement points The maximum value of light distortion.

10. capacity checking device as claimed in claim 8, which is characterized in that the capacity checking device further include:

Radius of curvature measurement module drives each main length direction for driving side scraping article in measurement point edge in the wiper region of side for measuring master Radius of curvature, and for measuring the curvature half of each measurement point in the wiper region of the passenger side side along the length direction of the passenger side side scraping article Diameter；

Torsion comparison module, for the radius of curvature for driving the measurement point in the wiper region of side will to be led and measurement point master drives The curvature that side scraping article requires compares, and thinks when the main radius of curvature for driving the measurement point in the wiper region of side is less than a preset value The measurement point is wiper risk point, and for by the radius of curvature of the measurement point in the wiper region of the passenger side side and the passenger side side scraping article It is required that curvature compare, think the measurement when the radius of curvature of the measurement point in the wiper region of the passenger side side is less than a preset value Point is wiper risk point；

Ratio judgment module drives side wiper region and the passenger side side wiper region in core field of vision and clear area for checking master Accounting whether meet predetermined ratio；

Angle of attack computing module, for measuring the main angle of attack for driving each measurement point in side wiper region and the passenger side side wiper region.