CN209801374U - Polarizing lens with large deflection angle and lamp - Google Patents
Polarizing lens with large deflection angle and lamp Download PDFInfo
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- CN209801374U CN209801374U CN201921045495.4U CN201921045495U CN209801374U CN 209801374 U CN209801374 U CN 209801374U CN 201921045495 U CN201921045495 U CN 201921045495U CN 209801374 U CN209801374 U CN 209801374U
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Abstract
The utility model provides a polarizing lens and lamps and lanterns of big declination has relative first side and second side, has the light source between first side and second side and places the position, from first side to second side direction including the first lens portion, second lens portion and the third lens portion that connect gradually, the light that the light source of light source placement position department sent can pass through respectively first lens portion, second lens portion and third lens portion guide, and respectively to first side bias is penetrated. The utility model discloses can solve the current problem that lens polarisation scope is little, illuminance is lower.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to a polarizing lens and lamps and lanterns of big declination.
Background
Note that the contents described in this section do not represent all the related art.
In large locations, such as stadiums, docks, etc., it is desirable to use light fixtures for a wide range of lighting. However, since a general light source is divergent, the conventional lamp has a small polarization range and low illumination, and cannot meet the illumination requirement.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve one of the technical problems in the related art to a certain extent, it is necessary to provide a polarizing lens with a large deflection angle and a lamp, which can solve the problems of a small polarization range and low illumination of the conventional lens.
The utility model provides a polarizing lens of big declination has relative first side and second side, has the light source between first side and second side and places the position, from first side to second side direction including the first lens portion, second lens portion and the third lens portion that connect gradually, the light that the light source of light source department of placing the position sent can pass through respectively first lens portion, second lens portion and third lens portion guide, and respectively to first side looks bias is penetrated.
Furthermore, a strip-shaped groove is formed among the first light incident surface of the first lens part, the second light incident surface of the second lens part and the third light incident surface of the third lens, and the groove is used as the light source placement position.
Furthermore, the first light incident surface is a warped rectangular free-form surface with unequal changes, the section curve of the free-form surface is formed by smoothly connecting a plurality of curves with different radians, and the second light incident surface and the third light incident surface are convex rectangular free-form surfaces for collimating light rays.
Furthermore, the second lens portion has a first reflection surface, and the light of the light source enters the second lens portion through the second light incident surface of the second lens portion and is emitted from the second light emitting surface of the second lens portion after being reflected by the first reflection surface.
Further, the second lens portion includes a boss higher than the first light emitting surface of the first lens portion, a first side surface of the boss close to the first side is the second light emitting surface of the second lens portion, and a second side surface of the boss close to the second side is the first reflecting surface.
Further, the second light emitting surface is a paraboloid protruding towards the first side, and the first reflecting surface is a paraboloid recessed towards the first side.
Furthermore, the third lens portion has a second reflection surface, and the light of the light source enters the third lens portion through the third light incident surface of the third lens portion, and is reflected by the second reflection surface and then exits from the third light exiting surface of the third lens portion.
Further, the third light emitting surface is in a step shape, wherein the height of the step surface close to the second side is the largest.
Further, each step surface is inclined by the direction of the first side to the second side far away from the light source placing position.
The utility model provides a lamp, including the light source lamp still includes the polarized lens of big declination, the light source is located the position department of placing the position is luminous.
The utility model discloses a three lens portion, three lens portion connect gradually from a lateral side, because the light that the light source sent is the scattered light, the light angle of different positions is inequality, and the light of directive second lens portion and third lens portion changes and partially penetrates to first lens portion through the guide of second lens portion and third lens portion respectively for most light source light polarisation, and then improved polarisation scope and illuminance, be fit for the illumination in large-scale place.
Drawings
Fig. 1 is a schematic structural diagram of a polarized lens according to an embodiment of the present invention.
Fig. 2 is a schematic view of the reverse structure of fig. 1.
Fig. 3 is a schematic optical path diagram of a polarized lens according to an embodiment of the present invention.
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present embodiment provides a large-deflection-angle polarized lens 100, which has a first side S1 and a second side S2 opposite to each other, and as shown in fig. 1, the first side S1 is a left side, the second side S2 is a right side, an upper end is a light emitting surface, and a lower end is a light incident surface.
As shown in fig. 1 to 3, the lens 100 is integrally molded, and may be made of a light-transmitting material such as polycarbonate PC, polymethyl methacrylate PMMA, or glass, and has a light source placing position S3 between the first side S1 and the second side S2, and includes a first lens portion 10, a second lens portion 20, and a third lens portion 30 connected in sequence from the first side S1 to the second side S2, and light emitted from the light source 200 at the light source placing position S3 can be guided by the first lens portion 10, the second lens portion 20, and the third lens portion 30, and can be deflected to the first side S1.
The three lens parts are connected in sequence from one side to the other side, because the light that light source 200 sent is the scattered light, and the light angle of different positions is inequality, and the light of directive second lens part 20 and third lens part 30 passes through the guide of second lens part 20 and third lens part 30 respectively and changes and to the deflection of first lens part 10 for most light source light polarisation, and then improved polarisation scope and illuminance, the illumination that is fit for large-scale place.
A long-strip-shaped groove is formed among the first light incident surface 11 of the first lens portion 10, the second light incident surface 21 of the second lens portion 20, and the third light incident surface 31 of the third lens portion 30, and the groove is the light source placement position S3, when the light source 200 is placed in the groove during installation, since the groove is long-strip-shaped, a plurality of light sources can be placed in the groove, so that different powers and different luminous flux outputs can be adjusted.
The first light incident surface 11 is a non-equivalent variable warped rectangular free-form surface, and a cross-sectional curve of the free-form surface is formed by smoothly connecting a plurality of curves with different radians, so that the first light incident surface 11 can correct light emitted from the light source 200 toward the first lens portion 10, an included angle between the first light incident surface 11 and a horizontal plane is preferably 40-50 degrees, and the second light incident surface 21 and the third light incident surface 31 are convex rectangular free-form surfaces for collimating light rays.
The second lens portion 20 has a first reflection surface 22, and the light of the light source 200 enters the second lens portion 20 through the second light incident surface 21 of the second lens portion 20, is reflected by the first reflection surface 22, and then exits from the second light exiting surface 23 of the second lens portion 20.
The second lens portion 20 includes a boss 210 higher than the first light emitting surface of the first lens portion 10, a first side surface of the boss 210 close to the first side S1 is the second light emitting surface 23 of the second lens portion 20, a second side surface of the boss 210 close to the second side S2 is the first reflecting surface 22, and the protruding boss 210 is more favorable for emitting light guided by the second lens portion 20 without being blocked by the first lens portion 10.
The second light emitting surface 23 is a paraboloid protruding toward the first side S1, and the first reflecting surface 22 is a paraboloid recessed toward the first side S1, so that light guided by the second lens portion 20 can be diffused toward both ends of the groove at the first reflecting surface 22 and can be collimated again on the second light emitting surface 23.
The third lens portion 30 has a second reflection surface 32, and the light of the light source 200 enters the third lens portion 30 through the third light incident surface 31 of the third lens portion 30, and is reflected by the second reflection surface 32 and then exits from the third light exiting surface 33 of the third lens portion 30.
The third light emitting surface 33 is preferably stepped, that is, the third light emitting surface 33 is divided into a plurality of small light emitting surfaces, wherein the height of the stepped surface close to the second side S2 is the largest, that is, the vertical distance from the light source 200 is the largest, each stepped surface is inclined from the first side S1 to the direction of the second side S2 away from the light source placing position S3, and the third light emitting surface 33 is arranged in steps, so that the slope of the third light emitting surface 33 can be reduced, and the height of the third light emitting surface 33 is further reduced, which is not only beneficial to the deflection of the light reflected by the second reflecting surface 32 from the third light emitting surface 33, but also can increase the area of the first reflecting surface 22 and improve the reflectivity of the second reflecting surface 22 due to the reduction of the height of the third light emitting surface 33.
As shown in fig. 3, a light ray portion M1 of the light source 200 is refracted by the first light incident surface 11 and then is deflected and emitted by the first light emitting surface 12 of the first lens portion 10, so as to obtain a deflected light beam having an included angle of 55 to 70 degrees with the vertical direction; the light beam part M2 is collimated by the second light incident surface, reflected by the first reflecting surface, and then deflected by the second light emitting surface to be emitted, and the direction of the emitted light beam is mostly overlapped with the angle of the light beam guided by the first lens part 10; the light ray part M3 is collimated by the third light incident surface and then reflected by the second reflecting surface to obtain light rays perpendicular to the light source, and then refracted out by the third light emergent surface to obtain polarized light beams with an included angle of 35-55 degrees with the perpendicular direction, and the polarized light beams with a larger angle are obtained after being superposed with the two groups of light beams.
Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.
Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the present invention.
Claims (10)
1. The polarized lens with the large deflection angle is provided with a first side and a second side which are opposite, and a light source placing position is arranged between the first side and the second side.
2. A large deflection angle polarized lens according to claim 1, wherein an elongated groove is formed between the first light incident surface of the first lens portion, the second light incident surface of the second lens portion, and the third light incident surface of the third lens portion, and the groove is a position for placing the light source.
3. The large-deflection-angle polarized lens of claim 2, wherein the first light incident surface is a rectangular free-form curved surface with unequal variation and warpage, a cross-sectional curve of the free-form curved surface is formed by smoothly connecting a plurality of curves with different radians, and the second light incident surface and the third light incident surface are both convex rectangular free-form curved surfaces for collimating light.
4. A polarized lens with a large deflection angle as claimed in claim 1, wherein the second lens portion has a first reflection surface, and the light from the light source enters the second lens portion through the second light incident surface of the second lens portion, and exits from the second light emitting surface of the second lens portion after being reflected by the first reflection surface.
5. The polarized lens with large deflection angle as claimed in claim 4, wherein the second lens portion comprises a boss higher than the first light emitting surface of the first lens portion, a first side surface of the boss close to the first side is the second light emitting surface of the second lens portion, and a second side surface of the boss close to the second side is the first reflecting surface.
6. The large-deflection-angle polarized lens of claim 5, wherein the second light-emitting surface is a paraboloid protruding toward the first side, and the first reflecting surface is a paraboloid recessed toward the first side.
7. A polarized lens with a large deflection angle as claimed in claim 1, wherein the third lens portion has a second reflection surface, and the light from the light source enters the third lens portion through a third light incident surface of the third lens portion and is reflected by the second reflection surface to exit from a third light exiting surface of the third lens portion.
8. A large-deflection-angle polarized lens according to claim 7, wherein the third light-exiting surface is stepped, wherein a height of the stepped surface near the second side is the largest.
9. A large deflection angle polarizing lens as claimed in claim 8, wherein each stepped surface is inclined by a direction of the first side to the second side away from the light source placement position.
10. A luminaire comprising a light source, characterized in that the luminaire further comprises a large-deflection-angle polarized lens according to any one of claims 1-9, the light source emitting light at the location of the placement location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921045495.4U CN209801374U (en) | 2019-07-05 | 2019-07-05 | Polarizing lens with large deflection angle and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921045495.4U CN209801374U (en) | 2019-07-05 | 2019-07-05 | Polarizing lens with large deflection angle and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209801374U true CN209801374U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921045495.4U Active CN209801374U (en) | 2019-07-05 | 2019-07-05 | Polarizing lens with large deflection angle and lamp |
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| CN (1) | CN209801374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237035A (en) * | 2021-04-23 | 2021-08-10 | 深圳市希尔光学技术有限公司 | Polarized lens capable of gathering light |
| WO2021249259A1 (en) * | 2020-06-08 | 2021-12-16 | 苏州欧普照明有限公司 | Lighting fixture |
-
2019
- 2019-07-05 CN CN201921045495.4U patent/CN209801374U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249259A1 (en) * | 2020-06-08 | 2021-12-16 | 苏州欧普照明有限公司 | Lighting fixture |
| CN113237035A (en) * | 2021-04-23 | 2021-08-10 | 深圳市希尔光学技术有限公司 | Polarized lens capable of gathering light |
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