CN117722622A - Plane and free-form surface lens combined type single-piece sine-arranged natural light homogenizing device - Google Patents
Plane and free-form surface lens combined type single-piece sine-arranged natural light homogenizing device Download PDFInfo
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- CN117722622A CN117722622A CN202311182925.8A CN202311182925A CN117722622A CN 117722622 A CN117722622 A CN 117722622A CN 202311182925 A CN202311182925 A CN 202311182925A CN 117722622 A CN117722622 A CN 117722622A
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- 239000011159 matrix material Substances 0.000 claims abstract description 12
- 239000010409 thin film Substances 0.000 claims description 27
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
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- 238000005286 illumination Methods 0.000 description 13
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Abstract
A natural light homogenizing device with a planar and free-form surface lens combined type single sine arrangement relates to a natural light homogenizing device. The invention aims to solve the problems that the traditional daylighting curtain can not ensure that natural light in each lighting stage can be uniformly scattered into a room and is difficult to form all-weather uniform irradiation effect. The invention comprises a plurality of thin light sheets, wherein the outer side surfaces of the thin light sheets are planes, the inner side surfaces of the thin light sheets are continuous free-form surface lenses, the thin light sheets are arranged in a matrix shape to form a lighting matrix, and each row of thin light sheets of the lighting matrix are sequentially numbered from left to right as a first thin light sheet, a second thin light sheet, a third thin light sheet, a fourth thin light sheet, a fifth thin light sheet, a sixth thin light sheet, a seventh thin light sheet, an eighth thin light sheet, a ninth thin light sheet and a tenth thin light sheet. The invention belongs to the technical field of optics.
Description
Technical Field
The invention relates to a natural light homogenizing device, and belongs to the technical field of optics.
Background
The green energy concept of natural light illumination is gradually entering the public field of view, and with the continuous deep research of solar energy illumination technology, people have more deep knowledge on a natural light acquisition illumination system. The direct sunlight in one day is different in illumination intensity and angle due to different morning and evening moments, and people can divide the change condition of the direct sunlight in the whole day into three illumination stages according to different included angles formed by the sun and the ground:
1. sunlight in the morning and evening: when the sun rises from the eastern horizon and the sunset is about to fall below the horizon, the included angle between the sunlight and the ground is 0-15 degrees;
2. sunlight in the morning and afternoon: the angle between the sunlight in the afternoon and the ground is 15-60 degrees, which generally means the light at the moment from eight to eleven am and from two to five pm, and the illumination intensity is relatively stable;
3. solar light at noon: also called top light, the illumination angle of the sunlight irradiates the ground vertically from top to bottom, the illumination angle of the sunlight at this moment is often influenced by seasons, the sunlight irradiates the ground scene vertically downwards at 90 ° basically in the noon in summer, the projection of the ground scene is small, the sunlight irradiates from top to bottom at the noon in other seasons at an approximately vertical angle, and the illumination angle is more deviated in the noon in winter.
The angles of the natural light incident chambers of the three lighting stages are different, the traditional lighting curtain can not ensure that the natural light of each lighting stage can be uniformly scattered into the chambers, and all-weather homogenizing irradiation effects are difficult to form.
Disclosure of Invention
The invention aims to solve the problems that the traditional daylighting curtain can not ensure that natural light at each lighting stage can be uniformly scattered into a room and is difficult to form all-weather uniform irradiation effect, and further provides a natural light homogenizing device with a planar and free-form surface lens combined type single sine arrangement.
The technical scheme adopted by the invention for solving the problems is as follows: the invention comprises a plurality of thin light sheets, wherein the outer side surfaces of the thin light sheets are planes, the inner side surfaces of the thin light sheets are continuous free-form surface lenses, the thin light sheets are arranged in a matrix shape to form a lighting matrix, and each row of thin light sheets of the lighting matrix are sequentially numbered from left to right as a first thin light sheet, a second thin light sheet, a third thin light sheet, a fourth thin light sheet, a fifth thin light sheet, a sixth thin light sheet, a seventh thin light sheet, an eighth thin light sheet, a ninth thin light sheet and a tenth thin light sheet;
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the first thin film and the horizontal plane is 50 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the second thin film and the horizontal plane is 30 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the third thin film and the horizontal plane is 20 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the fourth thin film and the horizontal plane is 10 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the fifth thin film and the horizontal plane is 5 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the sixth thin film and the horizontal plane is 175 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the seventh thin film and the horizontal plane is 170 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the eighth thin film and the horizontal plane is 160 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the ninth thin film and the horizontal plane is 150 degrees,
the included angle between the sawtooth line of the free curved surface lens on the inner surface of the tenth thin light sheet and the horizontal plane is 130 degrees.
Further, the lower surface of each serration of the continuous free-form surface lens is a convex curved surface.
Further, the normal of the plane forms an acute angle with the incident natural light.
Further, the continuousThickness d of different positions x, y on a single serration of a free-form lens 3 The expression isθ 5 Is the saw tooth pitch angle, n is the refractive index.
Further, the sawtooth surface of the continuous free-form surface lens refracts the light rays in the horizontal direction by refraction, and the inclination angle is 20-70 degrees.
Further, the thin light sheet is made of a transparent material with a transmittance of more than 85%.
Further, the sawtooth surface of the continuous free-form surface lens has different positions x 1 ,y 1 Thickness d of (2) 1 The expression isn is refractive index, θ 1 Is the inclination angle of a convex free-form surface, r 1 The radius of the curved surface is 1-5 times of the minimum distance between the plane and the convex free-form surface; different positions x on the concave free-form surface 2 ,y 2 Thickness d of (2) 2 The expression is->n is refractive index, θ 2 Is the inclination angle of a concave free-form surface, r 2 The radius of the curved surface is 1-5 times of the minimum distance between the plane and the concave free-form surface.
The beneficial effects of the invention are as follows:
1. the invention can absorb the natural light of each outdoor illumination stage and uniformly scatter the natural light to each indoor corner to form uniform illumination without dead angles;
2. the invention is not limited by the angle of outdoor natural light irradiation, can completely collect natural light with different incidence angles in each time period, uniformly scatter the natural light into a room, form uniform illumination of the natural light, and realize the full utilization of green energy;
3. the invention can also replace the traditional curtains, shades, windows and the like to protect the indoor privacy and prevent the outdoor peeping to the indoor;
4. the invention adopts the light weight design concept, has light overall weight and is easy for mass production;
5. the invention can efficiently collect natural light entering the window, uniformly disperse the light to all directions in the room, homogenize indoor illumination, effectively protect indoor privacy, is light, thin and easy to produce in mass production, and is environment-friendly and pollution-free.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a side view of a single sheet of sheeting;
FIG. 3 is a schematic view of an inner side surface of a first sheet of sheeting;
FIG. 4 is a schematic view of the inner side of the second sheet;
FIG. 5 is a schematic view of an inner side of a third sheeting;
FIG. 6 is a schematic view of an inner side of a fourth sheeting;
FIG. 7 is a schematic view of an inner side of a fifth sheeting;
FIG. 8 is a schematic view of an inner side of a sixth sheeting;
FIG. 9 is a schematic view of an inner side of a seventh sheeting;
FIG. 10 is a schematic view of an inner side of an eighth sheeting;
FIG. 11 is a schematic view of an inner side surface of a ninth sheeting;
FIG. 12 is a schematic view of the inner side surface of a tenth sheeting
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 12, a natural light homogenizing device with sine arrangement of a single combined plane and free-form surface lens in this embodiment includes a plurality of thin light sheets 1, an outer side surface of each thin light sheet 1 is a plane 101, an inner side surface of each thin light sheet 1 is a continuous free-form surface lens 102, and the plurality of thin light sheets 1 are arranged in a matrix form to form a lighting matrix, and each row of thin light sheets of the lighting matrix is numbered from left to right as a first thin light sheet, a second thin light sheet, a third thin light sheet, a fourth thin light sheet, a fifth thin light sheet, a sixth thin light sheet, a seventh thin light sheet, an eighth thin light sheet, a ninth thin light sheet and a tenth thin light sheet in sequence;
the included angle beta 1 between the sawtooth line of the free curved surface lens on the inner surface of the first thin film and the horizontal plane is 50 degrees,
the included angle beta 2 between the sawtooth line of the free curved surface lens on the inner surface of the second thin film and the horizontal plane is 30 degrees,
the included angle beta 3 between the sawtooth line of the free curved surface lens on the inner surface of the third thin film and the horizontal plane is 20 degrees,
the included angle beta 4 between the sawtooth line of the free curved surface lens on the inner surface of the fourth thin film and the horizontal plane is 10 degrees,
the included angle beta 5 between the sawtooth line of the free curved surface lens on the inner surface of the fifth thin film and the horizontal plane is 5 degrees,
the included angle beta 6 between the sawtooth line of the free curved surface lens on the inner surface of the sixth thin film and the horizontal plane is 175 degrees,
the included angle beta 7 between the sawtooth line of the free curved surface lens on the inner surface of the seventh thin film and the horizontal plane is 170 degrees,
the included angle beta 8 between the sawtooth line of the free curved surface lens on the inner surface of the eighth thin film and the horizontal plane is 160 degrees,
the included angle beta 9 between the sawtooth line of the free curved surface lens on the inner surface of the ninth thin film and the horizontal plane is 150 degrees,
the included angle beta 10 between the sawtooth line of the free curved surface lens on the inner surface of the tenth thin light sheet and the horizontal plane is 130 degrees.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 12, in which the lower surface of each serration of the continuous free-form surface lens 102 of the natural light homogenizing device of the combined planar and free-form surface lens type monolithic sinusoidal arrangement is a convex curved surface 103. Other components and connection relationships are the same as those of the first embodiment.
And a third specific embodiment: the present embodiment will be described with reference to fig. 1 to 12, in which the normal line of the plane 101 of the natural light homogenizing apparatus of the combined type monolithic sine arrangement of the plane and free-form surface lens of the present embodiment forms an acute angle with the angle of incident natural light. Other components and connection relationships are the same as those of the first embodiment.
Detailed description of the preferred embodiments: referring to fig. 1 to 12, the thickness d of different positions x, y on a single saw tooth of the continuous free-form surface lens 102 of the natural light homogenizing device of the planar and free-form surface lens combined monolithic sine arrangement of the present embodiment will be described 3 The expression isθ 5 Is the saw tooth pitch angle, n is the refractive index. Other components and connection relationships are the same as those of the first embodiment.
Fifth embodiment: the present embodiment will be described with reference to fig. 1 to 12, in which the saw tooth surface of the continuous free-form surface lens 102 of the natural light homogenizing device of the planar and free-form surface lens combination type monolithic sinusoidal arrangement refracts light in the horizontal direction by refraction, and the inclination angle is 20 ° to 70 °. Other components and connection relationships are the same as those of the first embodiment.
Specific embodiment six: referring to fig. 1 to 12, the thin light sheet 1 of the natural light homogenizing device of the planar and free-form surface lens combined type monolithic sine arrangement according to the present embodiment is made of a transparent material with a transmittance of more than 85%. Other components and connection relationships are the same as those of the first embodiment.
Seventh embodiment: the present embodiment will be described with reference to fig. 1 to 12, in which the saw tooth surface of the continuous free-form surface lens 102 of the natural light homogenizing device of the combined planar and free-form surface lens type monolithic sinusoidal arrangement has different positions x 1 ,y 1 Thickness d of (2) 1 The expression isn is refractive index, θ 1 Is the inclination angle of a convex free-form surface, r 1 The radius of the curved surface is 1-5 times of the minimum distance between the plane and the convex free-form surface; different positions x on the concave free-form surface 2 ,y 2 Thickness d of (2) 2 The expression isn is refractive index, θ 2 Is the inclination angle of a concave free-form surface, r 2 The radius of the curved surface is 1-5 times of the minimum distance between the plane and the concave free-form surface. Other components and connection relationships are the same as those of the first embodiment.
Principle of operation
The plane 101 is used for collecting outdoor natural light and is conducted to the continuous free-form surface lens 102 through an intermediate medium with the same material between the two surfaces; the continuous free-form surface lens 102 is used to deflect incident natural light into the indoor space after refraction through the inclined surface.
The present invention is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other embodiments, such as those described above, of making various modifications and equivalents will fall within the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a plane and free-form surface lens combination formula monolithic sinusoidal arrangement's natural light homogenizing device which characterized in that: the natural light homogenizing device with the combined single sine arrangement of the plane and the free-form surface lens comprises a plurality of thin light sheets (1), wherein the outer side surface of each thin light sheet (1) is a plane (101), the inner side surface of each thin light sheet (1) is a continuous free-form surface lens (102), the plurality of thin light sheets (1) are arranged in a matrix shape to form a lighting matrix, and each row of thin light sheets of the lighting matrix are sequentially numbered from left to right as a first thin light sheet, a second thin light sheet, a third thin light sheet, a fourth thin light sheet, a fifth thin light sheet, a sixth thin light sheet, a seventh thin light sheet, an eighth thin light sheet, a ninth thin light sheet and a tenth thin light sheet;
the included angle (beta 1) between the sawtooth line of the free curved surface lens on the inner surface of the first thin film and the horizontal plane is 50 degrees,
the included angle (beta 2) between the sawtooth line of the free curved surface lens on the inner surface of the second thin film and the horizontal plane is 30 degrees,
the included angle (beta 3) between the sawtooth line of the free curved surface lens on the inner surface of the third thin film and the horizontal plane is 20 degrees,
the included angle (beta 4) between the sawtooth line of the free curved surface lens on the inner surface of the fourth thin film and the horizontal plane is 10 degrees,
the included angle (beta 5) between the sawtooth line of the free curved surface lens on the inner surface of the fifth thin film and the horizontal plane is 5 degrees,
the included angle (beta 6) between the sawtooth line of the free curved surface lens on the inner surface of the sixth thin film and the horizontal plane is 175 degrees,
the included angle (beta 7) between the sawtooth line of the free curved surface lens on the inner surface of the seventh thin-film sheet and the horizontal plane is 170 degrees,
the included angle (beta 8) between the sawtooth line of the free curved surface lens on the inner surface of the eighth thin film and the horizontal plane is 160 degrees,
the included angle (beta 9) between the sawtooth line of the free curved surface lens on the inner surface of the ninth thin film and the horizontal plane is 150 degrees,
the included angle (beta 10) between the sawtooth line of the free curved surface lens on the inner surface of the tenth thin light sheet and the horizontal plane is 130 degrees.
2. The natural light homogenizing apparatus of claim 1, wherein the planar and freeform lens combination monolithic sinusoidal arrangement is characterized by: the lower surface of each serration of the continuous free-form surface lens (102) is a convex curved surface (103).
3. The natural light homogenizing apparatus of claim 1, wherein the planar and freeform lens combination monolithic sinusoidal arrangement is characterized by: the normal of the plane (101) forms an acute angle with the incident natural light.
4. The natural light homogenizing apparatus of claim 1, wherein the planar and freeform lens combination monolithic sinusoidal arrangement is characterized by: different positions x on a single serration of the continuous freeform lens (102),thickness d of y 3 The expression isθ 5 Is the saw tooth pitch angle, n is the refractive index.
5. The natural light homogenizing apparatus of claim 1, wherein the planar and freeform lens combination monolithic sinusoidal arrangement is characterized by: the sawtooth surface of the continuous free-form surface lens (102) refracts light rays in the horizontal direction by refraction, and the inclination angle is 20-70 degrees.
6. The natural light homogenizing apparatus of claim 1, wherein the planar and freeform lens combination monolithic sinusoidal arrangement is characterized by: bao Guangpian (1) is made of transparent material with transmittance more than 85%.
7. The natural light homogenizing apparatus of claim 1, wherein the planar and freeform lens combination monolithic sinusoidal arrangement is characterized by: different positions x of the saw tooth surface of the continuous free-form surface lens (102) 1 ,y 1 Thickness d of (2) 1 The expression isn is refractive index, θ 1 Is the inclination angle of a convex free-form surface, r 1 The radius of the curved surface is 1-5 times of the minimum distance between the plane and the convex free-form surface; different positions x on the concave free-form surface 2 ,y 2 Thickness d of (2) 2 The expression is->n is refractive index, θ 2 Is the inclination angle of a concave free-form surface, r 2 The radius of the curved surface is 1-5 times of the minimum distance between the plane and the concave free-form surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311182925.8A CN117722622A (en) | 2023-09-13 | 2023-09-13 | Plane and free-form surface lens combined type single-piece sine-arranged natural light homogenizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311182925.8A CN117722622A (en) | 2023-09-13 | 2023-09-13 | Plane and free-form surface lens combined type single-piece sine-arranged natural light homogenizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117722622A true CN117722622A (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311182925.8A Pending CN117722622A (en) | 2023-09-13 | 2023-09-13 | Plane and free-form surface lens combined type single-piece sine-arranged natural light homogenizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117722622A (en) |
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2023
- 2023-09-13 CN CN202311182925.8A patent/CN117722622A/en active Pending
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