CN108131607A - A kind of polarisation underground lamp lens and polarisation underground lamp - Google Patents
A kind of polarisation underground lamp lens and polarisation underground lamp Download PDFInfo
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- CN108131607A CN108131607A CN201810022583.6A CN201810022583A CN108131607A CN 108131607 A CN108131607 A CN 108131607A CN 201810022583 A CN201810022583 A CN 201810022583A CN 108131607 A CN108131607 A CN 108131607A
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- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 239000011324 bead Substances 0.000 claims description 9
- 238000005286 illumination Methods 0.000 abstract description 22
- 239000004744 fabric Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of polarisation underground lamp lens and polarisation underground lamps, the polarisation underground lamp lens include the lens body of semicircular arc, the side of lens body is equipped with first section of optical plane, the outer profile of first section of optical plane and lens body forms lens light-emitting surface, the bottom of lens body is recessed lens incidence surface, arcwall face of the lens incidence surface formed by an indent and second section of optical plane perpendicular to lens body bottom surface connect and compose, and first section of optical plane and second section of optical plane are parallel.The present invention redistributes light by lens incidence surface and the cooperation of lens light-emitting surface, and height working face illumination is realized being assembled perpendicular to face to be illuminated direction light, and the remote wide optical illumination of cloth lamp is realized being parallel to the light diverging of face to be illuminated direction.And lens can realize polarizing illumination while being horizontally mounted on lamp body, simplify the structural manufacturing process of polarisation underground lamp significantly, and improve working face illumination utilization rate, can be widely applied in underground lamp industry.
Description
Technical field
The present invention relates to optical lens field, more particularly to a kind of polarisation underground lamp lens and polarisation underground lamp.
Background technology
Traditional underground lamp lens mainly have symmetrically with two kinds of lighting demands of optical illumination and polarizing illumination.Traditional technology is needing
During polarizing illumination working face, usually light source board is tilted a certain angle, promotes illumination utilization rate.This lens arrangement increases ground
The assembly difficulty of modulated structure is buried, also increases the cost of material and process.At present, also a kind of underground lamp lens, by saturating
Mirror surface carries out inclined design, and light is biased to required illumination working face.But this usual uniformity of mode is not high, and nothing
Method takes into account remote cloth lamp and height working face illumination.
Invention content
In order to solve the technical issues of above-mentioned, the object of the present invention is to provide a kind of polarisation underground lamp lens and polarisation are buried
Lamp.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of polarisation underground lamp lens, the lens body including semicircular arc, the side of the lens body are equipped with first
Cut the outer profile composition lens light-emitting surface of optical plane, first section of optical plane and lens body, the bottom of the lens body
Lens incidence surface is recessed, arcwall face of the lens incidence surface formed by an indent and perpendicular to lens body bottom surface
Two sections of optical planes connect and compose, and first section of optical plane and second section of optical plane are parallel.
Further, on C0 ° of-C180 ° of cross sections of lens, the ratio of width to height of the lens incidence surface is：1.4~1.8.
Further, on C0 ° of-C180 ° of cross sections of lens, it is bent that the lens incidence surface includes sequentially connected first
Line, the second curve and third curve, first curve and third curve along lens centre axial symmetry, and first curve and
Third slope of a curve is bigger than the second slope of a curve.
Further, the equation of first curve is：
Y=1.8954x3+8.8287x2+ 15.306x+11.539, wherein, the value of x is：-2.3mm≤x≤-1.3mm；
The equation of second curve is：
Y=-0.3746x2+ 3.0276, wherein, the value of x is：-1.3mm≤x≤1.3mm.
Further, on C0 ° of-C180 ° of cross sections of lens, the ratio of width to height of the lens light-emitting surface is：1.8~2.2.
Further, on C90 ° of-C270 ° of cross sections of lens, it is straight that the lens incidence surface includes sequentially connected first
Line, the 4th curve and the 5th curve, the 4th curve are easy curve, and the 5th curve is arc-shaped.
Further, the equation of the 4th curve is：
Y=-0.0564x2-0.0632x+2.9933, wherein, the value of x is：-4mm≤x≤0；
The equation of 5th curve is：
Y=-0.0326x3+0.0101x2-0.1136x+3.0035, wherein, the value of x is：0≤x≤4.35mm.
Further, on C90 ° of-C270 ° of cross sections of lens, it is straight that the lens light-emitting surface includes sequentially connected second
Line, the 6th curve and the 7th curve, the equation of the 6th curve are：
Y=-0.1441x2+0.0904x+11.129, wherein, the value of x is -4mm≤x≤4mm；
7th curve is seamlessly transits curve.
Further, first section of optical plane is frosting, and profile of the first section of optical plane on lens body
It is located at：Lens are with respect to the position for being 30 °~45 ° with central axes angle at face to be illuminated direction.
Another technical solution is used by the present invention solves its technical problem：
A kind of polarisation underground lamp, including lamp bead and lens, the lens use the polarisation underground lamp lens.
The beneficial effects of the invention are as follows：The polarisation underground lamp lens of the present invention, the lens body including semicircular arc are described
The side of lens body is equipped with the outer profile composition lens light extraction of first section of optical plane, first section of optical plane and lens body
Face, the bottom of the lens body are recessed lens incidence surface, the lens incidence surface formed by an indent arcwall face and
Second section of optical plane perpendicular to lens body bottom surface connects and composes, and first section of optical plane and second section of optical plane are parallel.This
Lens redistribute light by lens incidence surface and the cooperation of lens light-emitting surface, are assembled perpendicular to face to be illuminated direction light
It realizes height working face illumination, the remote wide optical illumination of cloth lamp is realized being parallel to the light diverging of face to be illuminated direction.And lens can be with
Polarizing illumination is realized while being horizontally mounted on lamp body, simplifies the structural manufacturing process of polarisation underground lamp significantly, and is improved
Working face illumination utilization rate.
Description of the drawings
Fig. 1 is the first structure schematic diagram of the polarisation underground lamp lens of the present invention；
Fig. 2 is the second structure diagram of the polarisation underground lamp lens of the present invention；
Fig. 3 is the third structure diagram of the polarisation underground lamp lens of the present invention；
Fig. 4 is principle schematic of the polarisation underground lamp lens in C0 ° of-C180 ° of directions of the present invention；
Fig. 5 is that the lens incidence surface structure in Fig. 4 divides schematic diagram；
Fig. 6 is a kind of principle schematic of polarisation underground lamp lens in C90 ° of-C270 ° of directions of the present invention；
Fig. 7 is that the lens incidence surface structure in Fig. 6 divides schematic diagram；
Fig. 8 is that the lens structure of emergent light surface in Fig. 6 divides schematic diagram；
Fig. 9 is the polar coordinates distribution curve flux of the polarisation underground lamp lens of the present invention；
Figure 10 is the Tracepro emulation hot spot figures of the polarisation underground lamp lens of the present invention.
Specific embodiment
Reference Fig. 1~Fig. 3, the present invention provides a kind of polarisation underground lamp lens, the lens body including semicircular arc, institute
The side for stating lens body is equipped with first section of optical plane 1, and the outer profile of first section of optical plane 1 and lens body forms lens
Light-emitting surface 100, the bottom of the lens body are recessed lens incidence surface 200, and the lens incidence surface 200 formed is by one
Recessed arcwall face 2 and second section of optical plane 3 perpendicular to lens body bottom surface connect and compose, and first section of optical plane 1 and second
It is parallel to cut optical plane 3.
This lens is coordinated by lens incidence surface 200 and lens light-emitting surface 100 redistributes light, perpendicular to
Face to be illuminated direction light, which is assembled, realizes height working face illumination, and the remote wide illumination of cloth lamp is realized being parallel to the light diverging of face to be illuminated direction
It is bright.And lens can realize polarizing illumination while being horizontally mounted on lamp body, simplify the knot of polarisation underground lamp significantly
Structure technique, and improve working face illumination utilization rate.
In the present embodiment, face to be illuminated direction will be parallel to and be defined as C0 °-C180 °, be defined as perpendicular to face to be illuminated direction
C90°-C270°。
Preferred embodiment is further used as, with reference to Fig. 4, on C0 ° of-C180 ° of cross sections of lens, the lens enter
The ratio of width to height of smooth surface 200 is：1.4~1.8.In Fig. 4,300 represent the lamp bead using this lens.
Preferred embodiment is further used as, with reference to Fig. 5, on C0 ° of-C180 ° of cross sections of lens, the lens enter
Smooth surface 200 includes sequentially connected first curve 201, the second curve 202 and third curve 203, first curve 201 and the
Three curves 203 are along lens centre axial symmetry, and the second curve of slope ratio 202 of first curve 201 and third curve 203
Slope is big.In Fig. 5,11 and 12 first curve 201, the second curve 202 and third curve 203 are separated by a dotted line, dotted line
Angle between 11 and 12 is preferably 60 °, and the angle between dotted line 12 and lens base is 90 °.
Polarisation underground lamp lens are mainly using lambert's body light source.The present embodiment is using lambert's body light source as lens light source
Carry out structure design, description.
The slope of Fine design, the first curve 201 and third curve 203 is carried out by the curve to lens incidence surface 200
Slope than the second curve 202 is big, makes the light that lambert's body light source using this lens is emitted in C0 ° of-C180 ° of directions toward both ends
Wider spacing cloth lamp is realized in offset.It, can be in C0 ° of-C180 ° of directions by central light strength by the structure of this lens incidence surface 200
Weaken, peak light intensity is deviated toward both ends.
Preferred embodiment is further used as, the equation of first curve 201 is：
Y=1.8954x3+8.8287x2+ 15.306x+11.539, wherein, the value of x is：-2.3mm≤x≤-1.3mm；
The equation of second curve 202 is：
Y=-0.3746x2+ 3.0276, wherein, the value of x is：-1.3mm≤x≤1.3mm.
It can be known according to the equation of the second curve 202, the second curve 202 is in close face to be illuminated region than opposite face to be illuminated
The slope of curve bigger in region so as to will be close to the diverging of the central light strength in face to be illuminated direction, reduces opposite face to be illuminated direction
Center brightness, make whole visual uniform illumination.
203 and first curve 201 of third curve is symmetrical.Third curve can be obtained according to the equation of the first curve 201
203。
Preferred embodiment is further used as, on C0 ° of-C180 ° of cross sections of lens, the lens light-emitting surface 100
The ratio of width to height for circular curve, and the lens light-emitting surface 100 is：1.8~2.2.
The 200 incoming ray trajectory of folding of the ratio of width to height Main Basiss lens incidence surface of lens light-emitting surface 100 is designed,
Curve is controlled substantially vertical with opticpath, original path is kept to be emitted light.Or the slope of curve is set as omiting
Less than light vertical line, light further toward both sides is spread, realizes wide distance cloth lamp.
Preferred embodiment is further used as, it is described on C90 ° of-C270 ° of cross sections of lens with reference to Fig. 6 and Fig. 7
Lens incidence surface 200 includes sequentially connected first straight line 204, the 4th curve 205 and the 5th curve 206, the 4th curve
205 be easy curve, and the 5th curve 206 is arc-shaped.In Fig. 7, respectively with dotted line 14 and 15 first straight line 204,
Four curves 205 and the 5th curve 206 separate, and the angle between dotted line 14 and 15 is preferably 35 °.
Preferred embodiment is further used as, the equation of the 4th curve 205 is：
Y=-0.0564x2-0.0632x+2.9933, wherein, the value of x is：-4mm≤x≤0；
The equation of 5th curve 206 is：
Y=-0.0326x3+0.0101x2-0.1136x+3.0035, wherein, the value of x is：0≤x≤4.35mm.
On C90 ° of-C270 ° of cross sections of lens, Fine design is also carried out to lens incidence surface 200, passes through first straight line
204 pairs of opposite face to be illuminated regions carry out cutting light processing, to obtain preferable giddy light by dominated effect.4th curve 205 is gentle bent
Light is largely focused at parallel face to be illuminated direction by line.5th curve 206, which is arc-shaped, is gradually transitions lens bottom
Portion realizes beating uniform light to by according to working face.
Preferred embodiment is further used as, with reference to Fig. 8, on C90 ° of-C270 ° of cross sections of lens, the lens
Light-emitting surface 100 includes sequentially connected second straight line 101, the 6th curve 102 and the 7th curve 103,16 He by a dotted line in Fig. 8
17 respectively separate first straight line 204, the 4th curve 205 and the 5th curve 206, and in Fig. 6 and Fig. 8,13 represent peak light intensity
Direction.
The equation of 6th curve 102 is：
Y=-0.1441x2+0.0904x+11.129, wherein, the value of x is -4mm≤x≤4mm；
7th curve 103 is seamlessly transits curve.
On C90 ° of-C270 ° of cross sections of lens, Fine design, second straight line 101 are also carried out to lens light-emitting surface 100
Opposite face to be illuminated region is carried out to cut a light processing, second straight line 101 is in the peak and the 4th curve 205 of lens vertical direction
Deflection of light line initial position is overlapped in the projection of lens base.6th curve 102 and the 7th curve 103 can carry out light
It significantly focuses on, focuses it onto within 10 °, light concentration is focused at parallel face to be illuminated direction.7th curve 103 is smooth
Easement curve, the 6th curve 102 of linking are gradually transitions lens bottom, and the 7th curve 103 has carried out greater angle to light
Deviation to reduce nearby metope hot spot brightness, realizes entire working face Uniform Illumination.
It is further used as preferred embodiment, first section of optical plane 1 is frosting, and first section of optical plane
1 profile on lens body is located at：Lens are with respect to the position for being 30 °~45 ° with central axes angle at face to be illuminated direction.
Generally speaking, the lens light-emitting surface 100 of this polarisation underground lamp lens coordinates with lens incidence surface 200 to lambert's body light
Source carries out light and redistributes.Lens light-emitting surface 100 focuses on light in C90 ° of-C270 ° of directions, curvilinear motion amplitude
It is larger, and peak of curve deviates 5 ° -10 ° with lamp bead central axes, and light is concentrated on face to be illuminated eminence and is biased to face to be illuminated, is realized
Height working face illuminates.First section of optical plane 1 at 30 °~45 ° of opposite face to be illuminated direction central axes is set, is formed in lens body
On external curve, first section of optical plane 1 be set as frosting, can obtain and preferably cut light and anti-dazzle light effect.
Fig. 9 is the polar coordinates distribution curve flux of the polarisation underground lamp lens of the present invention, by the semi-gloss that can be seen that this lens in figure
Strong light distribution angle is 10 ° * 150 °, can meet corresponding underground lamp lighting demand.The polarisation underground lamp that Figure 10 is the present invention is saturating
The Tracepro emulation hot spot figures of mirror.This lens light extraction is sleeve configuration hot spot as seen from Figure 10, and realizes 5-10 ° of polarisation effect
Fruit.
Generally speaking, light of this lens in C0 ° of-C180 ° of directions carries out angle spread to realize remote cloth lamp,
The light in C90 ° of-C270 ° of directions, which is concentrated, to be assembled, and peak value is biased to 5 ° -10 ° of working face metope, it can be achieved that the Uniform Illumination of height working face
And illumination utilization rate is improved, and this lens can be realized polarization effect, enormously simplify lamp body knot under the state that is horizontally mounted
Structure and assembling procedure.
Embodiment two
A kind of polarisation underground lamp, including lamp bead 300 and lens, the lens are using the polarisation underground lamp described in embodiment one
Lens.
Preferably, in the present embodiment, lamp bead 300 is using 3030LED lamp beads, 3535LED lamp beads and 5050LED lamp beads.
The polarisation underground lamp of the present embodiment has the arbitrary technical characteristic of the polarisation underground lamp lens of the embodiment of the present invention one
Combination, has one corresponding function of embodiment and advantageous effect.
It is that the preferable of the present invention is implemented to be illustrated, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations under the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of polarisation underground lamp lens, which is characterized in that the lens body including semicircular arc, the side of the lens body
Equipped with first section of optical plane, the outer profile of first section of optical plane and lens body forms lens light-emitting surface, the lens master
The bottom of body is recessed lens incidence surface, and the lens incidence surface formed is by the arcwall face of an indent and perpendicular to lens body
Second section of optical plane of bottom surface connects and composes, and first section of optical plane and second section of optical plane are parallel.
2. polarisation underground lamp lens according to claim 1, which is characterized in that on C0 ° of-C180 ° of cross sections of lens,
The ratio of width to height of the lens incidence surface is：1.4~1.8.
3. polarisation underground lamp lens according to claim 1, which is characterized in that on C0 ° of-C180 ° of cross sections of lens,
The lens incidence surface includes sequentially connected first curve, the second curve and third curve, and first curve and third are bent
Line is along lens centre axial symmetry, and first curve and third slope of a curve the second slope of a curve of ratio are big.
4. polarisation underground lamp lens according to claim 3, which is characterized in that the equation of first curve is：
Y=1.8954x3+8.8287x2+ 15.306x+11.539, wherein, the value of x is：-2.3mm≤x≤-1.3mm；
The equation of second curve is：
Y=-0.3746x2+ 3.0276, wherein, the value of x is：-1.3mm≤x≤1.3mm.
5. polarisation underground lamp lens according to claim 1, which is characterized in that on C0 ° of-C180 ° of cross sections of lens,
The ratio of width to height of the lens light-emitting surface is：1.8~2.2.
6. polarisation underground lamp lens according to claim 1, which is characterized in that in C90 ° of-C270 ° of cross sections of lens
On, the lens incidence surface includes sequentially connected first straight line, the 4th curve and the 5th curve, and the 4th curve is gentle
Curve, the 5th curve are arc-shaped.
7. polarisation underground lamp lens according to claim 6, which is characterized in that the equation of the 4th curve is：
Y=-0.0564x2- 0.0632x+2.9933, wherein, the value of x is：-4mm≤x≤0；
The equation of 5th curve is：
Y=-0.0326x3+0.0101x2- 0.1136x+3.0035, wherein, the value of x is：0≤x≤4.35mm.
8. polarisation underground lamp lens according to claim 6, which is characterized in that in C90 ° of-C270 ° of cross sections of lens
On, the lens light-emitting surface includes sequentially connected second straight line, the 6th curve and the 7th curve, the equation of the 6th curve
For：
Y=-0.1441x2+ 0.0904x+11.129, wherein, the value of x is -4mm≤x≤4mm；
7th curve is seamlessly transits curve.
9. polarisation underground lamp lens according to claim 1, which is characterized in that first section of optical plane is frosting,
And profile of the first section of optical plane on lens body is located at：Lens are with central axes angle with respect at face to be illuminated direction
30 °~45 ° of position.
10. a kind of polarisation underground lamp lens, which is characterized in that including lamp bead and lens, the lens are appointed using claim 1-9
Polarisation underground lamp lens described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022583.6A CN108131607A (en) | 2018-01-10 | 2018-01-10 | A kind of polarisation underground lamp lens and polarisation underground lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810022583.6A CN108131607A (en) | 2018-01-10 | 2018-01-10 | A kind of polarisation underground lamp lens and polarisation underground lamp |
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| Publication Number | Publication Date |
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| CN108131607A true CN108131607A (en) | 2018-06-08 |
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ID=62400623
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|---|---|---|---|
| CN201810022583.6A Pending CN108131607A (en) | 2018-01-10 | 2018-01-10 | A kind of polarisation underground lamp lens and polarisation underground lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109556084A (en) * | 2018-12-29 | 2019-04-02 | 广东德洛斯照明工业有限公司 | A kind of lens and tunnel illuminating lamp of frontlighting tunnel illuminating lamp |
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