CN209801371U - Lens system for spotlight - Google Patents
Lens system for spotlight Download PDFInfo
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- CN209801371U CN209801371U CN201920829248.7U CN201920829248U CN209801371U CN 209801371 U CN209801371 U CN 209801371U CN 201920829248 U CN201920829248 U CN 201920829248U CN 209801371 U CN209801371 U CN 209801371U
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- lens
- light
- light guide
- dimming
- guide lens
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Abstract
The utility model provides a lens system for a spot light, which comprises a light guide lens and a light adjusting lens, wherein a circular sealing rubber strip is connected between the light guide lens and the light adjusting lens, and an air interlayer is formed between the light guide lens and the light adjusting lens; the light guide lens is in a circular truncated cone shape, the lower bottom of the light guide lens is positioned on one side close to the dimming lens, a light source cavity is arranged on one side of the light guide lens away from the air interlayer, the cavity bottom of the light source cavity is of a Fresnel lens structure, and a light guide layer is arranged on the outer side wall of the light guide lens; one side of the light adjusting lens far away from the light guide lens is provided with a honeycomb light homogenizing structure. The utility model discloses the light that can effectively collect the light source and send makes light can follow the direction emergence of almost unanimity, and spotlight is effectual, and in addition, light mixes through refraction many times before the emergence, can form the even grading effect of facula illuminance distribution to obtain the visual effect comfortable to the people's eye.
Description
Technical Field
The utility model relates to a lens system specifically discloses a lens system for shot-light.
Background
The spot lamp is typical modern school illumination without a main lamp and a fixed scale, can create an indoor illumination atmosphere, and if a row of small spot lamps are combined, light can change wonderful patterns. The spotlight is soft in light and can play a role in highlighting the key setoff effect when being irradiated on an object to be emphasized.
Among the prior art, the shot-light mainly includes reflection of light cup and light source, the light that the light source directly sent and is collected by the reflection of light cup reflection is to same direction outgoing to form the illumination effect that the energy is concentrated relatively, but the illuminance distribution that this kind of shot-light grading among the prior art formed is not enough even, and the light that forms is soft enough, makes the people's eye cause the discomfort easily, in addition, this kind of shot-light only leans on reflection of light cup to collect light, spotlight effect still is good inadequately, leads to the outstanding effect of illumination not strong enough.
SUMMERY OF THE UTILITY MODEL
Therefore, the lens system for the spotlight is necessary to solve the problems in the prior art, the spotlight effect is good, the illuminance distribution of light spots formed by light distribution is uniform, and the comfort level of human eyes can be effectively met.
In order to solve the prior art problem, the utility model discloses a lens system for a spotlight, which comprises a light guide lens and a dimming lens, wherein a circular sealing rubber strip is connected between the light guide lens and the dimming lens, and an air interlayer is formed between the light guide lens and the dimming lens; the light guide lens is in a circular truncated cone shape, the lower bottom of the light guide lens is positioned on one side close to the dimming lens, a light source cavity is arranged on one side of the light guide lens away from the air interlayer, the cavity bottom of the light source cavity is of a Fresnel lens structure, and a light guide layer is arranged on the outer side wall of the light guide lens; one side of the light adjusting lens far away from the light guide lens is provided with a honeycomb light homogenizing structure.
Further, the light guide layer is an aluminum reflection layer.
Furthermore, a uniform light enhancement layer is arranged between the light guide layer and the light guide lens and comprises a plurality of quadrilateral convex units which are closely arranged.
Further, the honeycomb light homogenizing structure comprises a plurality of honeycomb convex units which are closely arranged.
Furthermore, a micro-lens array is arranged on one side of the dimming lens close to the air interlayer.
Furthermore, the micro lens array comprises a plurality of micro lens units which are arranged in a matrix.
The utility model has the advantages that: the utility model discloses a lens system for shot-light sets up the flat fresnel lens of reliable light-directing structure cooperation, can effectively collect the light that the light source sent, makes light can follow the direction outgoing of almost unanimity, and spotlight is effectual, and in addition, light mixes through refraction many times before the outgoing, can form the even grading effect of facula illuminance distribution to obtain the visual effect comfortable to the people's eye.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a sectional view along a-a' in fig. 1.
The reference signs are: the light guide structure comprises a light guide lens 10, a light source cavity 11, a Fresnel lens structure 111, a light guide layer 12, a uniform light enhancement layer 13, a dimming lens 20, a honeycomb uniform light structure 21, a micro-lens array 22, a sealing adhesive strip 30 and an air interlayer 31.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Refer to fig. 1 and 2.
The utility model discloses basic embodiment discloses a lens system for shot-light, including leaded light lens 10 and dimming lens 20, preferably, leaded light lens 10 and dimming lens 20 are the lens structure that PMMA made, be connected with annular glue strip 30 of sealing between leaded light lens 10 and the dimming lens 20, it is made by transparent optical cement to seal glue strip 30, preferably, it can be OCA optical cement to seal glue strip 30, form air interlayer 31 between leaded light lens 10 and the dimming lens 20, air interlayer 31 is in the parcel that seals glue strip 30, air interlayer 31 can increase the refraction probability of light, thereby improve the effect that light mixes; the light guide lens 10 is in a truncated cone shape, the bottom base of the light guide lens 10 is located on one side close to the dimming lens 20, namely, the large radius bottom surface of the truncated cone-shaped light guide lens 10 is located on one side close to the dimming lens 20, the small radius bottom surface of the truncated cone-shaped light guide lens 10 is located on one side away from the dimming lens 20, the side of the light guide lens 10 away from the air interlayer 31 is provided with a light source cavity 11, a light source is arranged in the light source cavity 11, the light source is generally an LED lamp bead, the light emergent surface of the light source is located close to the dimming lens 20, the cavity bottom of the light source cavity 11 is a Fresnel lens structure 111, namely, the side of the light source cavity 11 close to the dimming lens 20 is a Fresnel lens structure 111, preferably, the Fresnel lens structure 111 is a convex Fresnel lens, can effectively collect light, can ensure the utilization rate of light energy, can also form a relatively concentrated, the light guide layer 12 can effectively collect light rays emitted by the light source, and ensures that most of the light rays can pass through the air interlayer 31 and then are emitted out through the dimming lens 20, so that the final light distribution effect is achieved, and the utilization rate of light energy is high; one side that light adjusting lens 20 kept away from leaded light lens 10 is equipped with the even light structure 21 of honeycomb, and preferably, the projection of the even light structure 21 of honeycomb on leaded light lens 10 is the same with the big or small shape of air intermediate layer 31, and light produces multiple refraction in the even light structure 21 of honeycomb, not only can remain the light efficiency, can make the colour mixture of light more perfect moreover to form comfortable visual effect.
The utility model discloses set up the flat fresnel lens of reliable light-directing structure cooperation, the light that can effectively collect the light source and send makes light can follow almost unanimous direction emergence, and spotlight is effectual, and in addition, light mixes through refraction many times before the emergence, can form the even grading effect of facula illuminance distribution to obtain the visual effect comfortable to the people's eye.
In this embodiment, the light guide layer 12 is an aluminum reflective layer, and the aluminum reflective layer can reflect the light emitted by the light source, so as to guide the light and adjust the direction, so that the light is emitted toward the light adjusting lens 20.
Based on the above embodiment, an even light enhancement layer 13 is further disposed between the light guide layer 12 and the light guide lens 10, the even light enhancement layer 13 includes a plurality of tightly arranged quadrilateral convex units, the protruding quadrilateral structure can adjust the outgoing direction thereof according to the incident direction of the light, and the light is continuously refracted and diffracted in the quadrilateral convex units, so that the effect of even light can be effectively achieved.
In this embodiment, the even light structure 21 of honeycomb includes a plurality of closely arranged cellular convex surface units, cellular convex surface unit is regular hexagon and protruding in the cell structure of leaded light lens 10 lateral wall, closely arranged cellular convex surface unit can be adjusted to each mini-beam, light constantly refracts in cellular convex surface unit simultaneously, can effectively improve the effect that light assembled, can also effectively make light realize the colour mixture, thereby make the light of final outgoing can satisfy the comfort level demand of human vision.
Based on the above embodiment, the micro lens array 22 is disposed on one side of the light adjusting lens 20 close to the air interlayer 31, preferably, the projection of the micro lens array 22 on the light guiding lens 10 is the same as the size and shape of the air interlayer 31, where the micro lens array 22 is a convex micro lens array 22, that is, the unit of the micro lens array 22 is a convex lens unit with a circular projection, and the micro lens array 22 can further concentrate light, which can further improve the utilization rate of light energy.
Based on the above embodiment, the microlens array 22 includes a plurality of microlens units arranged in a matrix, preferably, the diameter of the microlens unit is equal to the maximum length of the honeycomb-shaped convex unit, the microlens unit and the honeycomb-shaped convex unit form a dimming channel in the dimming lens 20, each dimming channel can form a transmission light spot having the same transmission shape and transmission range, and a plurality of transmission light spots can form light spots having uniform color temperature and uniform illuminance distribution after being superimposed.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The lens system for the spotlight is characterized by comprising a light guide lens (10) and a dimming lens (20), wherein a circular sealing rubber strip (30) is connected between the light guide lens (10) and the dimming lens (20), and an air interlayer (31) is formed between the light guide lens (10) and the dimming lens (20); the light guide lens (10) is in a circular truncated cone shape, the bottom of the light guide lens (10) is positioned on one side close to the dimming lens (20), a light source cavity (11) is arranged on one side, away from the air interlayer (31), of the light guide lens (10), the cavity bottom of the light source cavity (11) is of a Fresnel lens structure (111), and a light guide layer (12) is arranged on the outer side wall of the light guide lens (10); and a honeycomb light uniformizing structure (21) is arranged on one side, far away from the light guide lens (10), of the dimming lens (20).
2. A lens system for a spotlight according to claim 1, wherein the light guiding layer (12) is an aluminium reflective layer.
3. A lens system for a spotlight according to claim 2, wherein a light homogenizing and strengthening layer (13) is further provided between the light guiding layer (12) and the light guiding lens (10), and the light homogenizing and strengthening layer (13) comprises a plurality of closely arranged quadrilateral convex units.
4. A lens system for a spotlight according to claim 1, wherein the cellular light homogenizing structure (21) comprises a number of closely packed cellular convex units.
5. A lens system for a spotlight according to claim 4, wherein the side of the dimming lens (20) close to the air interlayer (31) is provided with a micro lens array (22).
6. A lens system for a spotlight according to claim 5, wherein the microlens array (22) comprises a number of microlens elements arranged in a matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829248.7U CN209801371U (en) | 2019-05-31 | 2019-05-31 | Lens system for spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829248.7U CN209801371U (en) | 2019-05-31 | 2019-05-31 | Lens system for spotlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209801371U true CN209801371U (en) | 2019-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920829248.7U Active CN209801371U (en) | 2019-05-31 | 2019-05-31 | Lens system for spotlight |
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| Country | Link |
|---|---|
| CN (1) | CN209801371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425786A (en) * | 2020-01-21 | 2020-07-17 | 浙江凯耀照明有限责任公司 | L ED floodlight |
-
2019
- 2019-05-31 CN CN201920829248.7U patent/CN209801371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425786A (en) * | 2020-01-21 | 2020-07-17 | 浙江凯耀照明有限责任公司 | L ED floodlight |
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