CN216567380U

CN216567380U - Combined lens for plant illumination laser light source light supplementing device

Info

Publication number: CN216567380U
Application number: CN202023012156.1U
Authority: CN
Inventors: 喻玺; 虞仲晓; 张东标
Original assignee: Hangzhou Photographic Machinery Research Institute Co ltd
Current assignee: Hangzhou Photographic Machinery Research Institute Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-05-24
Anticipated expiration: 2030-12-15

Abstract

The utility model belongs to a combined lens of a laser light source light supplementing device for plant illumination, which is characterized by comprising a first lens and a second lens, wherein an incident surface and an emergent surface are respectively arranged on the first lens and the second lens, the incident surface or the emergent surface is a corrugated surface, and N parallel corrugations with the same waveform are arranged on the corrugated surface. The laser is matched with the second lens through the first lens, and the point light source is widened into a strip-shaped irradiation surface, a rectangular irradiation surface or a parallelogram irradiation surface. The illumination surfaces with different shapes can be applied to various plant illumination application scenes, and certain light supplement stimulation is given in the plant growth process. The LED light source is replaced by the laser light source, so that the energy consumption of the artificial light type plant factory can be greatly reduced, the operation cost is reduced, and the commercial application and the industrial popularization of the artificial light type plant factory are promoted.

Description

Combined lens for plant illumination laser light source light supplementing device

Technical Field

The utility model belongs to the technical field of plant illumination, and particularly relates to a combined lens of a laser light source light supplementing device for plant illumination.

Background

The light source that current plant illumination used is the LED light source generally, but builds an artifical light type plant factory, and the installation volume of its LED light source is very big, will cause the bulk consumption of the energy. The existing experiment results show that the plant lighting efficiency is greatly improved by using the laser light source compared with the LED light source, so that the plant lighting can be performed by using a low-power laser to replace a great amount of LED light sources. However, the irradiation result of the laser lamp source is generally a point, and the use requirement of plant illumination cannot be met. A corrugated plate lens is urgently needed to be designed and developed aiming at a plant lighting system of an existing laser light source so as to meet the requirement that the laser light source irradiates the plant for light distribution.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects of the prior art, the utility model provides the combined lens which is simple in structure and is used for the plant illumination laser light source light filling device.

The combined lens for the plant illumination laser light source light supplementing device is characterized by comprising a first lens and a second lens, wherein an incident surface and an emergent surface are arranged on the first lens and the second lens, the incident surface or the emergent surface is a corrugated surface, and N corrugations which are identical in waveform and parallel are arranged on the corrugated surface.

The combined lens for the plant lighting laser light source light supplementing device is characterized in that the first lens is fixedly connected with the second lens through a connecting piece.

The lens assembly for the plant lighting laser light source light supplementing device is characterized in that the corrugated surface comprises a first corrugated surface arranged on the first lens and a second corrugated surface arranged on the second lens.

The combined lens for the plant illumination laser light source light supplementing device is characterized in that an included angle alpha is formed between the corrugation of the first corrugated surface and the corrugation of the second corrugated surface.

The combined lens of the laser light source light supplementing device for plant illumination is characterized in that the included angle alpha is 0-90 degrees.

The combined lens for the plant illumination laser light source light supplementing device is characterized in that the connecting piece is detachably arranged between the first lens and the second lens, and the distance between the second corrugated surface and the first corrugated surface is adjusted through the connecting piece.

A be used for plant illumination laser light source light filling ware combined lens, its characterized in that be provided with first installation department on the first lens, be provided with first connecting hole on the first installation department, be provided with the second installation department on the second lens, be provided with the second connecting hole on the second installation department, the connecting piece both ends respectively with first connecting hole with the second connecting hole is connected.

The combined lens for the plant lighting laser light source light supplementing device is characterized in that the first installation parts on the first lens are two, the opposite angles are arranged on the first lens, and the second installation parts of the second lens are two, and the opposite angles are arranged on the second lens.

Compared with the prior art, the utility model has the following advantages:

the laser is matched with the second lens through the first lens, and the point light source is widened into a strip-shaped irradiation surface, a rectangular irradiation surface or a parallelogram irradiation surface. The illumination surfaces with different shapes can be applied to various plant illumination application scenes, and certain light supplement stimulation is given in the plant growth process. The LED light source is replaced by the laser light source, so that the energy consumption of the artificial light type plant factory can be greatly reduced, the operation cost is reduced, and the commercial application and the industrial popularization of the artificial light type plant factory are promoted.

Drawings

FIG. 1: the first lens of the wave combination lens of the utility model has a structure schematic diagram;

FIG. 2: the utility model wave combination lens comprises a first lens and a second lens which are arranged in parallel;

FIG. 3: second lens structure of the combined lens of the utility model

FIG. 4: the utility model relates to a schematic diagram of a side-view structure of a corrugated plate lens double-lens superposition;

FIG. 5: the utility model is a schematic diagram of an irradiation surface after double lenses are superposed;

FIG. 6: the vertically incident laser is superposed through a double lens to form a laser refraction pattern;

FIG. 7: the laser with vertical incidence passes through the laser refraction pattern with another angle after the superposition of the double lenses.

FIG. 1 is a first lens; 11 a first corrugated surface; 2 a first mounting portion; 21 a first connection hole; 3 a second lens; 31 a second corrugated surface; 4 a second mounting portion; 41 a second connection hole; 5 connecting pieces.

Detailed Description

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

The utility model will be further explained with reference to the drawings.

As shown in the figure, the combined lens for the plant illumination laser light source light supplementing device comprises a first lens 1 and a second lens 3, and the first lens 1 and the second lens 3 are fixedly connected through a connecting piece 5. The first lens 1 and the second lens 3 are respectively provided with an incident surface and an emergent surface, wherein the incident surface or the emergent surface is a corrugated surface, n corrugations are arranged on the corrugated surface, and the corrugations are identical in shape. The corrugated surfaces include a first corrugated surface 11 and a second corrugated surface 31. Laser beams are incident from a corrugated surface or a plane, and the shapes of light spots on the irradiation surface are the same.

The corrugation directions of the first corrugated surface 11 and the second corrugated surface 31 are different, a crest straight line of one corrugation on the first corrugated surface 11 is recorded as n, a crest straight line of one corrugation on the second corrugated surface 31 is recorded as m, and a non-planar straight relationship exists between the straight line n and the straight line m. After the straight line N and the straight line M are translated to the same plane, the straight line N intersects with the straight line M, an included angle α is formed, the shape of the irradiation surface can be adjusted by changing the size of the included angle α, and the included angle α is recorded as the included angle between the first corrugated surface 11 and the second corrugated surface 31.

The first lens 1 is provided with a first mounting portion 2, and the first mounting portion 2 is provided with a first mounting hole 21. The second lens 2 is provided with a second mounting part 4 and a second mounting hole 41, and two ends of the connecting piece 5 are respectively inserted into the first mounting hole 21 and the second mounting hole 41 to connect the first lens 1 and the second lens 3.

The first mounting portions 2 are two and diagonally disposed on the first lens 1, and the second mounting portions 4 of the second lens 3 are two and diagonally disposed on the second lens 3.

The combined lens is installed in the light supplement device, and after the laser is irradiated on the combined lens, the irradiation surface is in a quadrilateral structure as shown in fig. 5. The greater the distance between the aspect ratio of the quadrilateral and the two undulated faces, the greater the distance between the first undulated face 11 and the second undulated face 31, the greater the aspect ratio of the quadrilateral of the illuminated face. The included angle of the quadrangle is related to the included angle alpha of the corrugation of the corrugated surface, and the larger the included angle alpha of the first corrugated surface 11 and the second corrugated surface 31 is, the larger the included angle alpha of the quadrangle of the irradiation surface is. The included angle alpha is 0-90 DEG

As can be seen from fig. 6 and 7, the single lens is only spread angularly in one direction.

When the combined lens is installed and used, the combined lens is installed in a light supplementing device according to requirements, laser is matched with the first lens 1 and the second lens 3, and a point light source is widened to be a rectangular irradiation surface or a parallelogram irradiation surface. The illumination surfaces with different shapes can be applied to various plant illumination application scenes, and certain light supplement stimulation is given in the plant growth process.

The LED light source is replaced by the laser light source, so that the energy consumption of the artificial light type plant factory can be greatly reduced, the operation cost is reduced, and the commercial application and the industrial popularization of the artificial light type plant factory are promoted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a be used for plant illumination laser light source light filling ware combined lens, its characterized in that includes first lens (1) and second lens (3), all be provided with incident surface and exit surface on first lens (1) and second lens (3), incident surface or exit surface are the ripple face, be provided with the same and parallel ripple of N wave forms on the ripple face.

2. The lens assembly as claimed in claim 1, wherein the first lens (1) is fixedly connected to the second lens (3) via a connector (5).

3. The combined lens for a plant lighting laser light source and a light supplementing device according to claim 2, wherein the corrugated surface comprises a first corrugated surface (11) arranged on the first lens (1) and a second corrugated surface (31) arranged on the second lens (3).

4. The lens assembly as claimed in claim 3, wherein an included angle α is formed between the corrugation of the first corrugated surface (11) and the corrugation of the second corrugated surface (31).

5. The lens assembly as claimed in claim 4, wherein the included angle α is 0-90 °.

6. The lens assembly according to claim 3, wherein the connector (5) is detachably disposed between the first lens (1) and the second lens (3), and the distance between the second corrugated surface (31) and the first corrugated surface (11) is adjusted by the connector (5).

7. The combined lens for the plant lighting laser light source and light supplementing device of claim 2 or 6, wherein the first lens (1) is provided with a first mounting portion (2), the first mounting portion (2) is provided with a first connecting hole (21), the second lens (3) is provided with a second mounting portion (4), the second mounting portion (4) is provided with a second connecting hole (41), and two ends of the connecting piece (5) are respectively connected with the first connecting hole (21) and the second connecting hole (41).

8. The combined lens for a plant lighting laser light source and a light supplementing device according to claim 7, wherein the first lens (1) has two first mounting parts (2) and is diagonally arranged on the first lens (1), and the second lens (3) has two second mounting parts (4) and is diagonally arranged on the second lens (3).