CN105957446A - Reflective film with dynamic three-dimensional spiral line and vehicle number plate - Google Patents
Reflective film with dynamic three-dimensional spiral line and vehicle number plate Download PDFInfo
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- CN105957446A CN105957446A CN201610534526.7A CN201610534526A CN105957446A CN 105957446 A CN105957446 A CN 105957446A CN 201610534526 A CN201610534526 A CN 201610534526A CN 105957446 A CN105957446 A CN 105957446A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/10—Registration, licensing, or like devices
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
Abstract
The invention discloses a reflective film with a dynamic three-dimensional spiral line. The reflective film comprises a reflective film main body, wherein two opposite surfaces of the reflective film main body are respectively provided with at least one curve in a floating manner; the curves of the two opposite surfaces are paired to constitute the spiral line; the spiral line is decomposed into synthesis of reciprocating motion in the x and z directions and motion in the y direction; an x-y plane is a plane in which the reflective film main body is positioned; the z direction is vertical to the x-y plane; reciprocating motion of the spiral line in the x and z directions forms a synthetic motion trail of a closed curve or a linear segment within one period; and the closed curve is stretched and spread along the y direction during motion in the y direction. The invention also discloses a vehicle number plate. The reflective film disclosed by the invention can meet the low-cost and high-safety requirements of reflective films; and additional materials are not needed for preparing the reflective film, figures are not needed to be printed in the reflective film, and the spiral line can not be duplicated by devices such as a scanner and a camera, so that the optical characteristic of the dynamic three-dimensional spiral line of the manufactured reflective film is easily recognized by human eyes.
Description
Technical field
The present invention relates to a kind of reflective membrane, be specifically related to a kind of anti-containing dynamic solid helix
Light film and automotive number plate.
Background technology
Automotive number plate is effective voucher that public security traffic control department carries out system administration to vehicle, right
In number plate identification mainly with technical characteristic contained by reflective membrane as foundation, generally use fluorogram
Shape, printing the mode such as special mark inside reflective membrane interlayer, the hierarchy of skill is the highest, is difficult to have
Effect takes precautions against the problems such as deck.
Patent documentation CN499285Y proposes and a kind of is embedded with electronic chip in number plate substrate pressure
Intelligent anti-counterfeiting technology, in electronic chip, storage has specific identification code, and traffic control personnel are by hand-held
This chip is scanned by equipment, can obtain the various data of corresponding car plate.This method needs
Set up huge detection network, put into huge.Patent documentation CN104494533A proposes one
Planting the QR Quick Response Code using stealth material to make at automotive number plate, stealth material is that ultraviolet is glimmering
Light aqueous invisible printing ink, each QR Quick Response Code gives each product and uniquely encodes, and road surface is handed over
Alert by dedicated scan equipment, inquire about number plate information.But ultraviolet fluorescent material belongs to routine techniques,
What technical matters was implemented is not difficult.Patent documentation CN2363337 is used in the internal system of reflective membrane
Making thin film, on described thin film, thermoprint has hologram pattern, this method increases reflective membrane and makes
Cost, and hologram pattern needs close-ups, the manufacturing technology of hologram is popularized simultaneously, because of
This uses common hologram to be difficult to unique and safety on number plate.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of containing dynamic solid helix
Reflective membrane and automotive number plate, to meet the low cost of reflective membrane and high safety requirements, its nothing
Need to increase material on reflective membrane to make, also be not required at the internal printed pattern of reflective membrane, helix can not
By the device replication such as scanner, photographing unit, the dynamic solid helix of made reflective membrane
Optical characteristics is easily recognized by the human eye.
In order to achieve the above object, technical scheme is as follows:
A kind of reflective membrane containing dynamic solid helix, it includes reflective membrane main body, reflective membrane
Float respectively on relative two surfaces of main body and be provided with at least one curve, on relative two surfaces extremely
A few curve is composed of helix, helix be decomposed into x, z to reciprocating motion and y to
Motion synthesis, x-y plane is the plane residing for reflective membrane main body, z to being perpendicular to x-y plane,
Helix x, z to reciprocating motion in be formed at the closed curve in the cycle or straight line
Section resultant motion track, closed curve y to motion in along y to the expansion that is stretched.
Further, above-mentioned helix has a parametric equation (1):
Wherein, A, B are the amplitude in x, z direction, phase constant w0Regulation x-z-plane resultant motion
Curvilinear path, the v in y direction0Motion makes closed curve be stretched in y direction expansion.
Further, in above-mentioned parameter equation (1), x to reciprocating motion be simple harmonic motion,
Z value is constant, and helix includes periodic sinusoidal curve or the cosine curve floating and sinking,
Floating curve parametric equation (2) is as follows:
Subsidence curve parametric equation (3) is as follows:
In above formula, A1, A2For the amplitude of sinusoidal line,For initial bit phase, v0, y0, z1,
Z2 is constant.
Further, in above-mentioned parameter equation (2) and (3), position phase constant w1=0, w2=
During π, helix includes that the space floated and sink tilts sine curve, its with x-y plane in
45 ° of inclinations angle.
Further, in above-mentioned parameter equation (1), x, z to reciprocating motion be simple harmonic quantity fortune
Dynamic, helix includes floating three-dimensional spiral curve and sinking three-dimensional spiral curve, and float three-dimensional spiral shell
The parametric equation (4) of rotation curve is as follows:
The parametric equation (5) of sinking three-dimensional spiral curve is as follows:
Wherein, B1 Yu B2 is floating curve and the subsidence curve amplitude in z direction.
Further, above-mentioned floating three-dimensional spiral curve and sinking three-dimensional spiral curve are put down at x-z
Face be projected as closed curve.
Further, above-mentioned closed curve is symmetrical closed curve.
Further, above-mentioned closed curve is oval, and oval major and minor axis parameter is respectively x, z
The amplitude in direction, wherein position phase constant scalable three-dimensional spiral curve major and minor axis taking in space
To.
Further, above-mentioned floating three-dimensional spiral curve and sinking three-dimensional spiral curve are at reflective membrane
The vertical forward projection curve of plane is periodic wave streakline.
Automotive number plate, it includes number plate main body, this number plate main body is provided with as above
A kind of reflective membrane containing dynamic solid helix.
In the reflective membrane of the present invention, helix has the geometric properties that above-mentioned equation describes, human eye
The bifilar helix of the reflective membrane observed by observation, has a following effect: 1) it can be seen that bifilar helix
Wherein one be suspended in reflective membrane surface, sink to reflective membrane table under an other helix
Below face, there is stereoeffect；Mobile observe floating curve, float and the helix that sinks
Spatial position change effect is the same just as daily observation real space three-dimensional body；2) observe
To result be the floating graphic drop shadow curve in reflective membrane plane, drop shadow curve's shape meets one
As geometrical ray projection law；During mobile observation, Liang Tiao drop shadow curve is in reflective membrane plane
Relative motion will occur；3) the floating curve observed or two-dimensional projection's picture are in certain visual angle
Interior human viewable, observable angle of visual field scope preferably no less than ± 10 °, beyond angle of visual field model
It is invisible for enclosing floating graphic.
Therefore, the present invention makes dynamic solid helix, dynamic solid helix on reflective membrane
Can be identified by the human eye under natural environment light irradiates, the helix identified is relative to reflective membrane surface
Having the stereoeffect floating or sinking, when observer moves viewing, helix has dynamically
The characteristic of change.So that the present invention can meet the low cost of reflective membrane and height is wanted safely
Asking, it makes without increasing material on reflective membrane, is also not required at the internal printed pattern of reflective membrane, spiral shell
Spin line can not be by the device replication such as scanner, photographing unit, the dynamic solid of made reflective membrane
The optical characteristics of helix is easily recognized by the human eye.
Accompanying drawing explanation
Fig. 1 is to have floating and three-dimensional (three-dimensional) double spiral shell of sinking effect in the embodiment of the present invention
The reflective membrane of spin line and the structural representation of number plate thereof.
Fig. 2 is vertical on reflective membrane surface of dynamic solid bifilar helix in the embodiment of the present invention
Drop shadow curve's schematic diagram.
Fig. 3 is to be flipped up the bifilar helix geometry position that number plate is observed in the embodiment of the present invention
Put relation schematic diagram.
Fig. 4 is to downwardly turn over the bifilar helix geometry position that number plate is observed in the embodiment of the present invention
Put relation schematic diagram.
Fig. 5 is to overturn the bifilar helix geometry position that number plate is observed in the embodiment of the present invention to the left
Put relation schematic diagram.
Fig. 6 is to overturn to the right the bifilar helix geometry position that number plate is observed in the embodiment of the present invention
Put relation schematic diagram.
Fig. 7 is the reflective membrane in the embodiment of the present invention with the three-dimensional bifilar helix that floats and sink
And the structural representation of number plate.
Fig. 8 is to overturn the three-dimensional bifilar helix throwing that number plate is observed in the embodiment of the present invention to the left
Shadow curve geometry site schematic diagram.
Fig. 9 is to overturn to the right the bifilar helix drop shadow curve that number plate is observed in the embodiment of the present invention
Geometry site schematic diagram.
Figure 10 is to have floating and sinking tilted two-dimensional bifilar helix anti-in the embodiment of the present invention
Light film and the structural representation of number plate thereof.
Figure 11 is to be flipped up the tilted two-dimensional Double helix that number plate is observed in the embodiment of the present invention
Line geometry position relationship schematic diagram.
Figure 12 is to downwardly turn over the tilted two-dimensional Double helix that number plate is observed in the embodiment of the present invention
Line geometry position relationship schematic diagram.
Figure 13 is to overturn to the right the tilted two-dimensional Double helix that number plate is observed in the embodiment of the present invention
Line geometry position relationship schematic diagram.
Figure 14 is to overturn the tilted two-dimensional Double helix that number plate is observed in the embodiment of the present invention to the left
Line geometry position relationship schematic diagram.
Figure 15 is the closed curve schematic diagram in the embodiment of the present invention with symmetrical structure.
Figure 16 is to have floating three-dimensional spiral line and sinking two-dimensional helical line in the embodiment of the present invention
Reflective membrane and the structural representation of number plate.
Figure 17 is to have floating two-dimensional helical line and sinking three-dimensional spiral line in the embodiment of the present invention
Reflective membrane and the structural representation of number plate.
Figure 18 is to have suspension and sinking bifilar helix in the embodiment of the present invention in other position
Reflective membrane and the structural representation of number plate thereof.
Figure 19 is number plate bifilar helix observation visual angle and viewing distance relation in the embodiment of the present invention
Schematic diagram.
Detailed description of the invention
Describe the preferred embodiment of the present invention below in conjunction with the accompanying drawings in detail.
The present embodiment essentially describes a kind of reflective membrane containing dynamic solid bifilar helix, double spiral shells
Revolve visually to have on one and float over reflective membrane surface, and under another, sink to reflective membrane table
Below face, the stereoscopic vision effect hereinafter collectively referred to as floating floated and sink.Mobile observation is floated
Bifilar helix has the view effect of dynamically change, it was observed that double helix structure parameter and tool
Some visual characteristics will be described in detail in below.
The parametric equation of float in space spiral curve has a following form:
Spatially spiral line can be analyzed to the synthesis of following motion: the reciprocating motion in x, z direction and y
At the uniform velocity (or the non-at the uniform velocity) motion in direction.X-y plane is reflective membrane plane, and z direction is perpendicular to
Reflective membrane plane.In parametric equation, A, B are the amplitude in x, z direction.X, z direction past
Multiple motion makes the resultant motion track in the cycle be closed curve or straightway, and position is mutually normal
Number w0Regulation x-z-plane resultant motion curvilinear path, the v in y direction0Motion makes closed curve exist
Y direction is stretched expansion, forms the spiral curve of spatial distribution.
In the reflective membrane of the present embodiment, helix has the geometric properties that above-mentioned equation describes, people
Eye observe observed by the bifilar helix of reflective membrane, have a following effect: 1) it can be seen that Double helix
Line wherein one be suspended in reflective membrane surface, sink to reflective membrane under an other helix
Lower face, has stereoeffect；Mobile observation floating curve, the helix floating and sinking
Spatial position change effect the same just as daily observation real space three-dimensional body；2) see
The result observed is the floating graphic drop shadow curve in reflective membrane plane, and drop shadow curve's shape meets
General geometrical ray projection law；During mobile observation, Liang Tiao drop shadow curve is in reflective membrane plane
Upper relative motion will occur；3) the floating curve observed or two-dimensional projection's picture are in certain visual field
Human viewable in angle, observable angle of visual field scope preferably no less than ± 10 °, beyond the angle of visual field
Scope floating graphic is invisible.
Therefore, the present embodiment makes dynamic solid helix, dynamic solid spiral on reflective membrane
Line can be identified by the human eye under natural environment light irradiates, and the helix identified is relative to reflective membrane table
Mask has the stereoeffect floating or sinking, and when observer moves viewing, helix has dynamic
The characteristic of state change.So that the present embodiment can meet the low cost of reflective membrane and high safety
Requirement, it makes without increasing material on reflective membrane, is also not required at the internal printed pattern of reflective membrane,
Helix can not be by the device replication such as scanner, photographing unit, dynamically standing of made reflective membrane
The optical characteristics of body helix is easily recognized by the human eye.
To be described in detail in by specific embodiment below.
Embodiment 1
In floating bifilar helix parametric equation (1), the reciprocating motion in x direction is preferably letter
Harmonic motion, z value is constant, containing a kind of periodic sinusoidal floated and sink on reflective membrane
Or cosine curve, float and subsidence curve parametric equation be as follows:
Floating curve:Subsidence curve:
In above formula, A1, A2For the amplitude of sinusoidal line,For initial bit phase, v0, y0,
Z1, z2 are constant.Citing, parameter A1=B1=10mm,V0=20mm/s,
Y0=30mm, w=1, z1=20mm, z2=20mm, then floating sine curve is relative to reflective membrane
Surfactant suspension height is 20mm, and subsidence curve relative to reflective membrane Surface Subsidence height is
20mm, has the orientation viewed in plan of parallax at number plate horizontal plane (or perpendicular)
Floating and sinking sine curve, as shown in Figure 1, in figure, 1 puts down its floating effect for reflective membrane
Face, 1a is floating curve, and 1b is subsidence curve.Mobile observation floating curve, locus
Variation relation is as daily dynamic observation real space three-dimensional body.
Preferably, the floating sine curve of reflective membrane has 360 ° of full parallaxes, and observer is in office
Meaning orientation plane can observe floating stereoscopic vision and the dynamic variation effect of real space.
Another kind of preferred version, reflective membrane does not has parallax in the horizontal direction, and perpendicular side
Upwards there is parallax.Horizontal direction is reflective membrane long side direction as shown in Figure 2, and vertical direction
It it is then short side direction.As before, only it is observed that the two-dimensional projection of floating curve on long side direction
Curve, when dynamically observing, has the motion-change effect of maximum between drop shadow curve.Accompanying drawing
In 2,1a and 1b is floating sinusoidal line forward projection's curve in vertical reflective membrane plane.It is clear to
, drop shadow curve 1a and the different eye responses that floating curve 1b is same target.Now bent
Line 1a and 1b is positioned at reflective membrane plane 1 same banding position, drop shadow curve 1a's Yu 1b
Trough and reflective membrane plane 1 long side edge distance are D, and curve 1a and 1b preferably has phase
Cycle T together, amplitude A, curve 1a Yu 1b has certain phase difference, and geometry shows as
Curve adjacent peaks shown in accompanying drawing 2 has interval P.The preferred D=25mm of each parameter,
T=27mm, A=10mm, P=7mm.Reflective membrane is dynamically observed continuously in observable visual angle
During floating moving curve 1a and 1b, floating curve 1a and subsidence curve 1b has at reflective membrane table
Face is relative to the dynamic vision characteristic of continuous moving.It is embodied in when spinning upside down the certain angle of number plate
When degree is dynamically observed, two curve 1a with 1b have the dynamic characteristic of relative continuous moving.
Accompanying drawing 3 is to be flipped up number plate to close to drop shadow curve position during maximum observable visual angle
System, during being flipped up, observer visible curve 1a is continuous over to reflective membrane surface 1
Mobile, and curve 1b continuous moving downwards.
Accompanying drawing 4 is then for downwardly turning over number plate extremely maximum observable view position Shi Liangtiao drop shadow curve
Position relationship, contrary with accompanying drawing 3, when dynamically observing, curve 1a is in reflective membrane plane 1
Inside move down curve 1b then to move up.Principle of stereoscopic vision as described above is with dynamic
State is observed characteristic and is equally applicable to explain the visual effect on reflective membrane with other parallax information.
Reflective membrane floating curve such as, has a parallax when in the horizontal direction, and in vertical direction
There is no parallax, be able to observe that the spatial sinusoidal of floating the most in the horizontal direction, and hanging down
Nogata, to then not having third dimension, is only capable of seeing the drop shadow curve of floating curve.
Similar with spinning upside down the dynamic observed behavior of number plate, when left and right upset in observable visual angle
During number plate, drop shadow curve's variation relation of floating sinusoidal line is as depicted in figures 5 and 6, the most attached
Fig. 5 be to the left upset number plate to the shape of Double helix curve during maximum observable visual angle and space bit
Put relation, accompanying drawing 6 be then to the right upset reflective membrane time the shape of drop shadow curve 1a Yu 1b and sky
Between position relationship.
In the present embodiment, floating auger wire shaped be not limited to preferred sinusoidal line, it is possible to for it
Its curve or figure, the waveform in the curve half period can be parabola, Gaussian Bell line, sample
The outward appearances such as bar curve are similar to curve.Have parallax or parallax free orientation viewed in plan other
The helix of shape, eye response characteristic meets aforementioned principles.
Embodiment 2
In three-dimensional bifilar helix parametric equation (1), the reciprocating motion in x, z direction is the simplest
Harmonic motion, can make on reflective membrane a kind of float and sink three-dimensional Double helix curve, float and
Sinking three-dimensional curve parametric equation is as follows:
Floating curve:Subsidence curve:
B1 Yu B2 is floating curve and the subsidence curve amplitude in z direction, and other parameter is anticipated
Justice is with in embodiment 1, it is preferable that parameter w=1, A1=A2=10mm, B1=B2=10mm,V0=20mm/s, y0=30mm, w1=w2=pi/2, z1=20mm, z2=15mm.
From preferred parameter, three-dimensional Double helix curve x-z-plane drop shadow curve is circle, directly
Footpath is 10mm.
At the orientation viewed in plan of the reflective membrane with parallax, float three-dimensional bifilar helix its stand
Body effect, as shown in Figure 7, wherein floats on helix 2a above reflective membrane plane, 2b
Under sink to below plane.Different from floating two dimension sinusoidal line 1a and 1b in embodiment 1, three-dimensional
The three dimensional structure of bifilar helix itself also is able to observed person's visually-perceptible.Mobile observation, floats
Three-dimensional bifilar helix, spatial position change relation is such as daily dynamic observation real space three-dimensional article
Body is the same.Preferably, made floating and sinking spiral curve have 360 ° of full parallaxes,
In arbitrary orientation plane, observer can observe that the stereoscopic vision suspended and sink is with true
Spatial distributions variation effect.
With embodiment 1, another kind of preferred version is at reflective membrane in the horizontal direction, does not regard
A parallax is had on poor and perpendicular direction, or on the contrary.Both horizontally and vertically with embodiment 1
Described in.As before, have on parallax directions reflective membrane it is observed that real space three-dimensional is double
Float over above reflective membrane on helix structure, and a helix, sink to reflective under another
Membrane plane.During mobile observation, the position relationship of bifilar helix is the same with real space three-dimensional body
Change, observer is i.e. appreciated that with daily life experience.And look up in the side not having parallax,
Only it is observed that suspend and the two-dimentional ray cast curve in reflective membrane plane of sinking helix,
When mobile observation, there is between drop shadow curve the motion-change effect of maximum.As in embodiment
Horizontal direction described in 1 has a parallax and vertical direction no parallax, it was observed that typical visual angle throw
Shadow effect ripple as depicted in fig. 2, the parameter describing wave molding feature is the most identical.Up and down
During upset number plate, the Relationship Between Dynamic Change of drop shadow curve is similar to and described by accompanying drawing 3,4.
Except for the difference that, when having parallax in the horizontal direction and during vertical direction no parallax information, left and right overturns
During number plate, the waveform change of drop shadow curve and geometric position variation relation are as Figure 8,9.
It is clear to, due to the three dimensional structure of bifilar helix itself, causes its projection in different directions
The change of curve is different from two-dimentional sinusoidal variation relation in embodiment 1.
Embodiment 3
In the preferred parametric equation (4) of embodiment 2 and (5), the amplitude in x, z direction is not
Meanwhile, contain a kind of three-dimensional Double helix curve floated and sink at reflective membrane, float and sink three
Dimension curve is respectively x, z direction in the ellipse that is projected as in x-z direction, oval major and minor axis parameter
Amplitude, the three-dimensional spiral curve major and minor axis that wherein position phase constant scalable cross section is oval exists
The orientation in space.Preferably parameter A1=A2=10mm, B1=15mm, B2=5mm,V0=20mm/s, y0=30mm, w1=w2=pi/2, w=1,
Z1=20mm, z2=15mm, from Selection parameter, Double helix curve x-z cross section is ellipse.
The Visual Observations Observations effect of the oval three-dimensional bifilar helix made on reflective membrane depends on helix
The parallax information having, it is preferable that parallax information is with in embodiment 1 and embodiment 2, and they are three years old
Tie up dynamic observing effect similar to Example 2, do not possess observation three-dimensional curve in parallax directions
On reflective membrane drop shadow curve, on different visual angles direction project tilde close aforementioned three-dimensional article
Body geometrical ray projection law in the plane.
Embodiment 4
In the preferred parametric equation of embodiment 2, during phase constant w1=0, w2=π of position, instead
Tilt sine curve containing a kind of space floated and sink on light film, float and sink sinusoidal bent
Line and reflective membrane plane 1 are in 45 ° of inclinations angle, it was observed that space tilt sine curve and float
With sinking stereoeffect as shown in Figure 10, in figure, 3a is floating curve, and 3b is the song that sinks
Line.Preferably parameter A1=A2=10mm, B1=15mm, B2=5mm,V0=20mm/s, y0=30mm, w=1, z1=20mm, z2=15mm, by select
Parameter understands, and the projection of Double helix curve x-z cross section is straightway.Inclination on reflective membrane is double
Sinusoidal Visual Observations Observations effect, depends on the parallax information that helix has, it is preferable that
Parallax information with in embodiment 1 and embodiment 2, its 3d dynamic view effect and aforementioned class
Seemingly.Do not possess observe in parallax directions three-dimensional curve on reflective membrane surface 1 projection bent
Line, different visual angles direction projects tilde and closes three-dimensional body geometrical ray projection in the plane
Rule, it was observed that typical visual angle drop shadow effect, ripple as depicted in fig. 2, wave molding
Characteristic parameter identical.In reflective membrane planar horizontal or vertical direction during no parallax, upper and lower,
When left and right upset number plate is to maximum observable visual angle, the position relationship of drop shadow curve is the most attached
Shown in Figure 11,12,13,14, during upset number plate, the ripple of drop shadow curve 3a, 3b
Shape and change in location relation are determined by three-dimensional body projection law in reflective membrane plane 1, class
It is similar in embodiment 1.Such as shown in accompanying drawing 11, owing to float in space sinusoidal line is put down with number plate
Face 1 has inclination angle, the floating projection song when being flipped up number plate, in reflective membrane plane 1
Line 3a and 3b is respectively provided with stretching and the visual effect of compression.
Embodiment 5
As before, the simple harmonic motion in preferred x, z direction in embodiment 2,3,4, select not
Same parameter, the drop shadow curve at x-z-plane is closed curve or straightway, and closed curve is
Circular, oval.In the present embodiment, the periodic reverse motion biosynthesis locus in x, z direction is also
Can be other closed curve, as shown in Figure 15, closed curve has axle pair to closed curve
The characteristic claimed, the half of symmetric figure is the biosynthesis locus moved x, z half period, the half period
Geometric locus is parabola, Gaussian Bell line, SPL and other outward appearance similar Guan Bi song
Line, the closed curve in x, z direction is spatially spiral line by the uniform motion stretcher strain in y direction,
Observe the space bifilar helix made on reflective membrane, have on one and float over reflective membrane surface,
Another side under the surface that sinks.Be able to observe that in the oriented surface with parallax suspension and under
Heavy three dimensions bifilar helix, looks up three-dimensional spiral line in the side not having parallax, observes
Result is its two-dimensional projection's picture.Forward projection's waviness curve in vertical reflective membrane plane 1 is just
The string of a musical instrument, cosine line, circular arc line, ellipse, parabola, Gaussian Bell line, SPL with
And other outer appearnce is like waviness curve.Dynamically observing the solid figure in number plate plane, vision is imitated
Should be identical with the rule described by embodiment 1,2,3,4.
The reflective membrane containing three-dimensional bifilar helix belonging to the present embodiment and use this reflective membrane
Automotive number plate, it was observed that floating bifilar helix, retouched by embodiment 1,2,3,4
The helix stated is composed of.Such as, it was observed that helix suspend and sinking effect such as accompanying drawing
16, shown in 17.Reflective membrane made by accompanying drawing 16, it was observed that sinking helix for implement
Two-dimentional sinusoidal line 1b described in example 1, the helix that floats is then for implementing the three-dimensional spiral shell in 2
Spin line 2a, accompanying drawing 17 then with accompanying drawing 16 contrast.Accompanying drawing 16,17 in the present embodiment
Floating bifilar helix is only two kinds of situations in previous embodiment in helix combination.Obviously
, by the helix described in previous embodiment or other figures and other possible figure
Combination, broadly falls into the invention scope of the present embodiment.Accompanying drawing 16,17 describe and include it
Floating that it is possible and the bifilar helix of sinking, its observe characteristic and preferred feature parameter all with
Previous embodiment is identical.
Embodiment 6
In order to make reflective membrane of the present invention be applicable to the automotive number plate of all size and other should
By occasion, observe on the reflective membrane of the present invention containing suspending and sinking bifilar helix, be not limited to
Position described by embodiment, can be the optional position on reflective membrane and any direction, such as
The trend of helix can be as shown in Figure 18.Obvious, reflective membrane is observed not
The helix of co-located is not attached with other creative work.The floating auger line observed is special
Property is identical from previous embodiment but that position is different on reflective membrane embodiment broadly falls into the present invention
Scope.
By the automotive number plate of the reflective membrane of used this programme, when being arranged on motor vehicles, can
Under ambient light is irradiated, observe the bifilar helix figure floating and sinking easily with human eye.
Due to number plate contain bifilar helix only in certain visual angle visible, as shown in Figure 19, false
If maximum observable visual angle upwards is with the horizontal θ angle, observer's eyes are from elevation of water
For L, then with number plate plane minimum observable distance D=L/tan θ, observer in this distance,
Can move down observe number plate bifilar helix figure, or be moved rearwards by increase viewing distance with
Reduce observation visual angle, then the bifilar helix dynamic vision effect observed with in previous embodiment to
Variation effect during upper upset, observes and can understand according to the observation characteristic of upper and lower, left and right
The observing effect in other direction.From observing effect, in an outdoor environment, with the light of directivity
Irradiate, it was observed that the effect of Double helix figure more preferable, especially with pocket lamp, mobile phone light
Deng illumination, observing effect is more preferable.At night, when irradiating with motor vehicle far-reaching lamp, reflective membrane
Retroreflection to light, in the field range of high beam retroeflection direction, observes number plate, it will be seen that
The bifilar helix of strong contrast.
Wherein, the bifilar helix of floating is preferably two dimension sine or cosine curve, three-dimensional spiral line.
Two dimension is sinusoidal or cosine curve is itself at the forward upright projection curve of reflective membrane plane,
Drop shadow curve's shape of other view directions meets geometrical ray projection law.That floats is three-dimensional double
Spiral curve, the projecting figure of its x-z-plane is symmetrical closed curve, the most circular,
Ellipse, straightway, parabola, Gaussian Bell line, SPL and other closed curve.
The bifilar helix floated is periodic wave streakline at the vertical forward projection curve of reflective membrane plane,
The half period waveform of wave molding be sine, cosine curve, circular arc line, ellipse, parabola,
Gaussian Bell line, SPL and other outward appearance are similar to curve.Two periodically projections are described
The characteristic parameter of curve includes: cycle T, amplitude A, phase difference P.Bifilar helix can carry
The parallax of confession has isotropism or anisotropy.Isotropism parallax refers at observable visual angle
In the range of arbitrary orientation plane in can observe the bifilar helix of floating, anisotropy is then
Difference, only it is observed that floating bifilar helix is reflective in the orientation plane not having parallax information
Drop shadow curve in membrane plane, anisotropy preferably horizontal direction has parallax and Vertical Square
To there is no parallax, or on the contrary.Mobile observation bifilar helix in the orientation plane with parallax,
Bifilar helix has such as the dynamic characteristic of real space object relative movement.And there is no parallax
In orientation plane, mobile observation, is visually only capable of seeing that helix is in reflective membrane surface different visual angles
The geometrical ray drop shadow curve in direction, the vision that the position of drop shadow curve has relative motion is special
Property.The position of floating auger line can be produced on any position of reflective membrane plane, floating auger
Line can have the live width of arbitrarily needs.Floating auger line people's eye under ambient light is irradiated is visible,
Optimal viewing effect irradiates (such as sunlight, pocket lamp, mobile phone light for using directional light
Source etc.).
Above-described is only the preferred embodiment of the present invention, it is noted that for this area
Those of ordinary skill for, without departing from the concept of the premise of the invention, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (10)
1. the reflective membrane containing dynamic solid helix, it is characterised in that include reflective membrane master
Body, floats respectively in relative two surfaces of described reflective membrane main body and is provided with at least one curve, relatively
At least one curve on two surfaces is composed of helix, described helix be decomposed into x, z to past
Multiple motion and y are to the synthesis of motion, and x-y plane is the plane residing for described reflective membrane main body, z to
Be perpendicular to described x-y plane, described helix described x, z to reciprocating motion in be formed at one
Closed curve in the individual cycle or the resultant motion track of straightway, described closed curve is at described y
Along y to the expansion that is stretched in motion.
A kind of reflective membrane containing dynamic solid helix the most according to claim 1 and 2,
It is characterized in that, described helix has a parametric equation (1):
Wherein, A, B are the amplitude in x, z direction, phase constant w0Regulate described x-z-plane resultant motion
Curvilinear path, the v in y direction0Motion makes described closed curve be stretched in y direction expansion.
A kind of reflective membrane containing dynamic solid helix the most according to claim 2, it is special
Levy and be, in described parametric equation (1), described x to reciprocating motion be simple harmonic motion, z value
For constant, described helix includes periodic sinusoidal curve or the cosine curve floating and sinking, on
Floating curve parametric equation (2) is as follows:
Subsidence curve parametric equation (3) is as follows:
In above formula, A1, A2For the amplitude of sinusoidal line,For initial bit phase, v0, y0, z1,
Z2 is constant.
A kind of reflective membrane containing dynamic solid helix the most according to claim 3, it is special
Levy and be, in described parametric equation (2) and (3), during phase constant w1=0, w2=π of position, institute
Stating helix and include that the space floated and sink tilts sine curve, it is 45 ° with described x-y plane
Inclination angle.
A kind of reflective membrane containing dynamic solid helix the most according to claim 2, it is special
Levy and be, in described parametric equation (1), described x, z to reciprocating motion be simple harmonic motion,
Described helix includes floating three-dimensional spiral curve and sinking three-dimensional spiral curve, and described floating is three-dimensional
The parametric equation (4) of spiral curve is as follows:
The parametric equation (5) of described sinking three-dimensional spiral curve is as follows:
Wherein, B1 Yu B2 is floating curve and the subsidence curve amplitude in z direction.
A kind of reflective membrane containing dynamic solid helix the most according to claim 5, it is special
Levy and be, described floating three-dimensional spiral curve and sinking three-dimensional spiral curve being projected as at x-z-plane
Closed curve.
A kind of reflective membrane containing dynamic solid helix the most according to claim 6, it is special
Levying and be, described closed curve is symmetrical closed curve.
8. according to a kind of reflective membrane containing dynamic solid helix described in claim 6 or 7,
It is characterized in that, described closed curve is oval, and the major and minor axis parameter of described ellipse is respectively x, z
The amplitude in direction, wherein three-dimensional spiral curve major and minor axis taking in space described in position phase constant scalable
To.
A kind of reflective membrane containing dynamic solid helix the most according to claim 5, it is special
Levy and be, described floating three-dimensional spiral curve and sinking three-dimensional spiral curve hanging down in reflective membrane plane
Straight forward projection curve is periodic wave streakline.
10. automotive number plate, it includes number plate main body, it is characterised in that set in described number plate main body
It is equipped with a kind of reflective membrane containing dynamic solid helix as described in claim 1-9 is arbitrary.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534526.7A CN105957446B (en) | 2016-07-08 | 2016-07-08 | A kind of reflective membrane and automotive number plate containing dynamic solid helix |
| CN201810445607.9A CN108615454B (en) | 2016-07-08 | 2016-07-08 | Reflective film containing dynamic three-dimensional spiral line and motor vehicle license plate |
| PCT/CN2017/081983 WO2018006637A1 (en) | 2016-07-08 | 2017-04-26 | Reflective film with dynamic three-dimensional spiral line and motor vehicle license plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610534526.7A CN105957446B (en) | 2016-07-08 | 2016-07-08 | A kind of reflective membrane and automotive number plate containing dynamic solid helix |
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| CN201810445607.9A Division CN108615454B (en) | 2016-07-08 | 2016-07-08 | Reflective film containing dynamic three-dimensional spiral line and motor vehicle license plate |
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| CN105957446A true CN105957446A (en) | 2016-09-21 |
| CN105957446B CN105957446B (en) | 2018-07-03 |
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| CN201610534526.7A Active CN105957446B (en) | 2016-07-08 | 2016-07-08 | A kind of reflective membrane and automotive number plate containing dynamic solid helix |
| CN201810445607.9A Active CN108615454B (en) | 2016-07-08 | 2016-07-08 | Reflective film containing dynamic three-dimensional spiral line and motor vehicle license plate |
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| CN201810445607.9A Active CN108615454B (en) | 2016-07-08 | 2016-07-08 | Reflective film containing dynamic three-dimensional spiral line and motor vehicle license plate |
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| WO (1) | WO2018006637A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018006637A1 (en) * | 2016-07-08 | 2018-01-11 | 苏州苏大维格光电科技股份有限公司 | Reflective film with dynamic three-dimensional spiral line and motor vehicle license plate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300392A (en) * | 2018-10-22 | 2019-02-01 | 海南亚元防伪技术研究所（普通合伙） | Anti- recycling label can be removed |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108615454B (en) | 2020-03-20 |
| WO2018006637A1 (en) | 2018-01-11 |
| CN105957446B (en) | 2018-07-03 |
| CN108615454A (en) | 2018-10-02 |
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Effective date of registration: 20170922 Address after: 214000 Jiangsu city of Wuxi province Qian Rong Lu No. 88 Applicant after: Traffic Management Science Inst., Security Ministry Applicant after: SVG Optronics, Co., Ltd. Address before: 215000 Suzhou, Jiangsu Province, Hong Dong Road, South Wing Street, No. 478 Applicant before: SVG Optronics, Co., Ltd. |
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Address after: 214000 Jiangsu city of Wuxi province Qian Rong Lu No. 88 Co-patentee after: SUZHOU SUDAVIG SCIENCE AND TECHNOLOGY GROUP Co.,Ltd. Patentee after: TRAFFIC MANAGEMENT Research Institute OF THE MINISTRY OF PUBLIC SECURITY Address before: 214000 Jiangsu city of Wuxi province Qian Rong Lu No. 88 Co-patentee before: SVG OPTRONICS, Co.,Ltd. Patentee before: TRAFFIC MANAGEMENT Research Institute OF THE MINISTRY OF PUBLIC SECURITY |
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Inventor after: Wei Guojun Inventor after: Dong Kui Inventor after: Wei Yukuan Inventor after: Yu Liying Inventor after: Chen Linsen Inventor after: Jiang Fan Inventor after: Fan Guangfei Inventor after: Li Xiaowu Inventor after: Lu Guo Inventor after: Weng Yufeng Inventor after: Zhou Yang Inventor before: Wei Guojun Inventor before: Chen Linsen Inventor before: Fan Guangfei Inventor before: Lu Guo Inventor before: Zhou Yang Inventor before: Wei Yukuan |