CN218936170U

CN218936170U - Ultra-long distance infrared laser lighting device

Info

Publication number: CN218936170U
Application number: CN202223151437.4U
Authority: CN
Inventors: 马博
Original assignee: Yixin Infrared Technology Xi'an Co ltd
Current assignee: Yixin Infrared Technology Xi'an Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-28
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses an ultra-long distance infrared laser lighting device, which comprises a light source input device and a light source output device connected with the light source output device through an optical fiber; the light source input device comprises a light source shell, wherein one end in the light source shell is provided with a light source body, and the light source shell is internally provided with a first lens body; the light source output device comprises a motor mounting seat, a fourth lens body is arranged in the motor mounting seat, a fixed inner shell is arranged on the side face of the motor mounting seat, a second lens body capable of being adjusted front and back is arranged in the fixed inner shell, a rotary outer shell is sleeved outside the fixed inner shell, and a third lens body is arranged in the rotary outer shell. The utility model achieves the lighting effect that the lighting monitoring distance is more than 10km, and has the advantages of large irradiation range, small divergence angle and no speckle of light spots.

Description

Ultra-long distance infrared laser lighting device

Technical Field

The utility model relates to the technical field of lighting devices, in particular to an ultra-long-distance infrared laser lighting device.

Background

In recent years, ultra-long distance laser illumination indication systems are widely used in the fields of frontiers, military, oil fields, railways, coal mines, forest fires, ports, inland canals, and the like. Existing laser illumination may have an impact on the active illumination indication due to factors such as atmospheric background radiation, transmittance, scattering and absorption, and turbulence.

Through searching, the Chinese patent of utility model with the application date of 2014, 01, 16 and the grant bulletin number of CN203688956U discloses an ultra-long distance optical fiber coupling laser illuminator which adopts seven luminous chips to emit uniform light spots after optical fiber coupling so as to realize ultra-long distance illumination. But the optical fiber coupling of seven light emitting chips not only greatly improves the cost, but also can not adjust the seven light emitting chips mutually, so that active zooming can not be performed, meanwhile, light spots outside 10km are too large, the requirements of fixed focus or electric focusing can not be met, and the problems of uneven light spots, large divergence angle and speckles of the light spots can also exist when different distances are illuminated. Therefore, how to provide an ultra-long distance infrared laser lighting device is a problem to be solved by those skilled in the art.

Disclosure of Invention

The utility model aims to provide an ultra-long distance infrared laser lighting device which achieves the lighting effect that the lighting monitoring distance is more than 10km, and has the advantages of large irradiation range, small divergence angle and no speckles of light spots.

The ultra-long distance infrared laser lighting device comprises a light source input device and a light source output device connected with the light source output device through an optical fiber;

the light source input device comprises a light source shell, wherein a light source body is arranged at one end in the light source shell, and a first lens body is arranged in the light source shell;

the light source output device comprises a motor mounting seat, a fourth lens body is arranged in the motor mounting seat, a fixed inner shell is arranged on the side face of the motor mounting seat, a second lens body capable of being adjusted back and forth is arranged in the fixed inner shell, a rotary outer shell is sleeved outside the fixed inner shell, and a third lens body is arranged in the rotary outer shell.

Optionally, a first optical fiber interface is arranged at the other end in the light source shell, and an optical fiber is connected to the first optical fiber interface.

Optionally, the fixed inner casing welds in motor mount pad side, the port that the fixed inner casing was kept away from to the motor mount pad is provided with the second optic fibre interface, be connected with optic fibre on the second optic fibre interface, fixed inner casing inner chamber and motor mount pad inner chamber intercommunication setting.

Optionally, the second lens mount pad is installed to fixed inner casing inner chamber pre-buried, the second lens body is installed on the second lens mount pad, rotatory track has been seted up to fixed inner casing outside annular, be provided with rotatory screw on the rotatory track, rotatory screw bottom is installed on the second lens mount pad.

Optionally, be provided with driving motor on the motor mount pad, drive gear has been cup jointed on driving motor's the output shaft, the cover is equipped with the driven gear that sets up with drive gear meshing on the rotatory shell body.

Optionally, the first lens mount pad is installed to the pre-buried first lens body in the light source shell, first lens mount pad is installed to first lens body, the rotatory in-shell pre-buried third lens mount pad of installing, the third lens body is installed on the third lens mount pad, the pre-buried fourth lens mount pad of installing in the motor mount pad, the fourth lens body is installed on the fourth lens mount pad.

Optionally, a light source heat dissipation seat is installed at the bottom of the light source input device, and the light source heat dissipation seat and the light source output device are both installed on the bottom plate.

The beneficial effects of the utility model are as follows:

the utility model can realize the stable work of any position in the ultra-long distance, and the light spot can realize focusing treatment according to the electric adjustment of the distance between the second lens body and the fourth lens body as well as between the light spot and the third lens body, thereby achieving the ultra-long distance illumination effect with the illumination monitoring distance more than 10km, and simultaneously having the advantages of large illumination range, small divergence angle and no speckles of the light spot.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural diagram of an ultra-long distance infrared laser lighting device according to the present utility model;

fig. 2 is a schematic structural diagram of a light source output device in an ultra-long distance infrared laser lighting device according to the present utility model;

fig. 3 is a schematic structural diagram of a light source output device in an ultra-long distance infrared laser lighting device according to the present utility model.

In the figure: 1-light source radiating seat, 2-light source output device, 3-optical fiber, 4-bottom plate, 5-driving motor, 6-light source output device, 7-driven gear and 8-driving gear;

21-a light source shell, 22-a light source body, 23-a first optical fiber interface, 24-a first lens mounting seat and 25-a first lens body;

61-rotating outer housing, 62-second fiber optic interface, 63-fourth lens body, 64-fourth lens mount, 65-second lens mount, 66-second lens body, 67-stationary inner housing, 68-rotating screw, 69-third lens mount, 610-third lens body, 611-motor mount.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

Referring to fig. 1-2, an ultra-long distance infrared laser lighting device is characterized by comprising a light source input device 2 and a light source output device 6 connected with the light source output device 6 through an optical fiber 3;

the light source input device 2 comprises a light source housing 21, wherein a light source body 22 is arranged at one end in the light source housing 21, and a first lens body 25 is arranged in the light source housing 21;

the light source output device 6 includes a motor mounting seat 611, one end of the motor mounting seat 611 is an input end, a fourth lens body 63 is arranged in the motor mounting seat 611, a fixed inner shell 67 is arranged on the side surface of the motor mounting seat 611, a second lens body 66 capable of being adjusted back and forth is arranged in the fixed inner shell 67, a rotary outer shell 61 is sleeved outside the fixed inner shell 67, a third lens body 610 is arranged in the rotary outer shell 61, one end of the rotary outer shell 61 is an output end, and the fixed inner shell 67 and the motor mounting seat 611 are relatively fixed.

Referring to fig. 3, in this embodiment, a first optical fiber interface 23 is disposed at the other end in the light source housing 21, an optical fiber 3 is connected to the first optical fiber interface 23, a fixed inner housing 67 is welded on a side surface of a motor mounting seat 611, a second optical fiber interface 62 is disposed at a port of the motor mounting seat 611 far away from the fixed inner housing 67, an optical fiber 3 is connected to the second optical fiber interface 62, an inner cavity of the fixed inner housing 67 is communicated with an inner cavity of the motor mounting seat 611, the first optical fiber interface 23 enters into a 60-105 micron optical fiber 3 jumper for output, and the 60-105 micron optical fiber 3 jumper is connected with the second optical fiber interface 62 and is output through the optical fiber 3 jumper.

In this embodiment, the second lens mounting seat 65 is pre-buried and mounted in the inner cavity of the fixed inner casing 67, the second lens body 66 is mounted on the second lens mounting seat 65, the outer side of the fixed inner casing 67 is annularly provided with a rotating track, the rotating track is provided with a rotating screw 68, and the bottom end of the rotating screw 68 is mounted on the second lens mounting seat 65.

In this embodiment, the motor mounting seat 611 is provided with a driving motor 5, the output shaft of the driving motor 5 is sleeved with a driving gear 8, and the rotary outer casing 61 is sleeved with a driven gear 7 engaged with the driving gear 8.

In this embodiment, the first lens mount 24 is pre-buried in the light source housing 21, the first lens body 25 is mounted on the first lens mount 24, the third lens mount 69 is pre-buried in the rotary housing 61, the third lens body 610 is mounted on the third lens mount 69, the fourth lens mount 64 is pre-buried in the motor mount 611, the fourth lens body 63 is mounted on the fourth lens mount 64, and the first lens mount 24, the third lens mount 69 and the fourth lens mount 64 can be fixedly mounted by using screws, and the first lens body 25, the second lens body 66, the third lens body 610 and the fourth lens body 63 all adopt high-precision coated pure optical lenses.

In the present embodiment, the light source heat sink 1 is mounted at the bottom of the light source input device 2, and the light source heat sink 1 and the light source output device 6 are mounted on the bottom plate 4.

It can be understood that the driving mode of the light source body 22 and the driving motor 5 in the present utility model can be driven by an external power line, and the control of the light source body 22 and the driving motor 5 can be performed by a main control system, and the control principle is realized by the existing control technology. The types of the light source body 22 and the driving motor 5 are not limited to a single type, and can be any type suitable for the present utility model in the market, wherein the light source body 22 is a light source diode, and the wavelength is any wavelength from 405 nm to 2000 nm.

Driving embodiment of light source body 22:

the light source body 22 is arranged on the light source shell 21, the light beam emitted by the light source body 22 is output through the first lens body 25, the light spot output through the first lens body 25 enters the optical fiber 3 through the first optical fiber interface 23 to be output in a jumper mode, the optical fiber 3 is connected with the second optical fiber interface 62, the light spot output through the optical fiber 3 is output through the fourth lens body 63, the light spot output through the fourth lens body 63 is output and then passes through the second lens body 66, the rotary screw 68 is connected with the fixed inner shell 67, the driving motor 5 is started to work, the driving motor 5 drives the driving gear 8 to rotate, the driving gear 8 drives the driven gear 7 to rotate, the driven gear 7 drives the rotary outer shell 61 to rotate, the rotary outer shell 61 drives the second lens mounting seat 65 to rotate through the rotary screw 68, so that the second lens body 66 rotates in the fixed inner shell 67 to move back and forth, the distance between the second lens body 66 and the fourth lens body 63 is changed, the inner wall of the fixed inner shell 61 is provided with internal threads, the limit groove is axially formed in the fixed inner shell 67, the rotary screw 68 is relatively fixed with the second lens mounting seat 65, the rotary screw 68 penetrates through the limit groove, and the rotary screw 68 moves in the internal threads, and the second lens mounting seat is driven by the rotation of the rotary screw 68 when the rotary screw moves the second lens body and the third lens body 610 rotates, the second lens body is driven by the rotation of the rotation body, and the second lens body 610 moves along the internal thread, and the rotation body, and the light beam is driven.

In the implementation mode, 100 groups of experiments prove that the output light spots are uniform, the minimum light spot at 10km can reach 35+/-10 m, and the service life is longer than 20000 hours.

The present embodiment can realize stable operation at any position at an ultra-long distance, and the light spot can realize focusing according to the electric adjustment of the distance between the second lens body 66 and the fourth lens body 63 and the third lens body 610, thereby achieving the illumination effect that the illumination monitoring distance is greater than 10km, and simultaneously having the advantages of large illumination range, small divergence angle and no speckles of the light spot.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The ultra-long distance infrared laser lighting device is characterized by comprising a light source input device and a light source output device connected with the light source output device through an optical fiber;

2. The ultra-long distance infrared laser lighting apparatus as claimed in claim 1, wherein a first optical fiber interface is provided at the other end in the light source housing, and an optical fiber is connected to the first optical fiber interface.

3. The ultra-long distance infrared laser lighting device of claim 1, wherein the fixed inner shell is welded on the side surface of the motor mounting seat, a second optical fiber interface is arranged at a port of the motor mounting seat far away from the fixed inner shell, an optical fiber is connected to the second optical fiber interface, and an inner cavity of the fixed inner shell is communicated with an inner cavity of the motor mounting seat.

4. The ultra-long distance infrared laser lighting device of claim 3, wherein the second lens mounting seat is pre-buried in the inner cavity of the fixed inner shell, the second lens body is mounted on the second lens mounting seat, a rotating track is annularly arranged on the outer side of the fixed inner shell, a rotating screw is arranged on the rotating track, and the bottom end of the rotating screw is mounted on the second lens mounting seat.

5. The ultra-long distance infrared laser lighting device of claim 3, wherein the motor mounting seat is provided with a driving motor, the output shaft of the driving motor is sleeved with a driving gear, and the rotary outer shell is sleeved with a driven gear meshed with the driving gear.

6. The ultra-long distance infrared laser lighting device of claim 1, wherein a first lens mounting seat is mounted in the light source housing in a pre-buried manner, the first lens body is mounted on the first lens mounting seat, a third lens mounting seat is mounted in the rotating housing in a pre-buried manner, the third lens body is mounted on the third lens mounting seat, a fourth lens mounting seat is mounted in the motor mounting seat in a pre-buried manner, and the fourth lens body is mounted on the fourth lens mounting seat.

7. The ultra-long distance infrared laser lighting apparatus as claimed in claim 1, wherein the light source input device is provided with a light source heat sink at the bottom thereof, and the light source heat sink and the light source output device are both mounted on the base plate.