CN212905868U

CN212905868U - Combined lighting system for temporary helicopter landing field in alpine region

Info

Publication number: CN212905868U
Application number: CN202021155291.9U
Authority: CN
Inventors: 王汉熙; 黄鑫; 何仲; 李桐
Original assignee: Wuhan University of Technology WUT
Current assignee: Wuhan University of Technology WUT
Priority date: 2020-06-21
Filing date: 2020-06-21
Publication date: 2021-04-06
Anticipated expiration: 2030-06-21

Abstract

The utility model belongs to the field of lamps and lanterns, and provides a combined lighting system for a temporary helicopter landing field in an alpine region, which comprises a light image source shell, a LED light source and projection system, a laser light source and projection system; the LED light source is used for projecting the take-off and landing marks to the take-off and landing points, light and shadow patterns for different applications can be put in time according to needs, and boundary points are projected around the take-off and landing points by utilizing the characteristic of ultrahigh brightness of the laser light source, so that the take-off and landing marks of the emergency temporary helicopter take-off and landing apron can be quickly, delicately and timely constructed for alpine/plateau areas.

Description

Combined lighting system for temporary helicopter landing field in alpine region

Technical Field

The utility model belongs to the lamps and lanterns field, concretely relates to interim helicopter landing field combination formula lighting system in severe cold district.

Background

The helicopter landing pad is a field for taking off and landing a helicopter, and can be divided into circular, square, rectangular and other forms.

According to the standard, "H" is arranged in a helicopter landing field and used as a helicopter field identification mark, so that a pilot can clearly observe the helicopter landing field conveniently, and the "H" is generally marked by white marks; specific application as shown in fig. 7, 8 and 9, fig. 7 is used as a sign for hospital helicopters, fig. 8 is used as a general sign, and fig. 9 is used for emergency; maximum allowable quality flags should also be set for elevated heliports, helicopter topsides, and shipboard heliports.

When a severe cold/plateau area needs to take off and land in a temporary field under the condition that the helicopter is dark at night, if the support of a standard take-off and landing field and a landing mark is lacked, the take-off and landing safety of the helicopter is seriously threatened, and how to quickly, accurately and timely construct a take-off and landing mark suitable for a take-off and landing apron of the helicopter becomes a problem which needs to be solved urgently.

Disclosure of Invention

The utility model aims at overcoming the weak point among the above-mentioned prior art, provide a temporary helicopter landing field combination formula lighting system in alpine region, through the LED light source to the point of taking off and land projection sign of taking off and land, can put in the shadow pattern that the difference was used in time as required to utilize the characteristic of laser source superelevation luminance to project boundary point around the point of taking off and land, thereby agilely, lean on, in real time for the regional sign of taking off and land of the emergent temporary helicopter of the district of alpine/plateau found.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the combined lighting system for the temporary helicopter landing field in the alpine region comprises a light and image source shell, an LED light source and projection system, a laser light source and projection system; the light source shell comprises a lamp holder, a lamp bracket, a lamp barrel, a lamp cover and a lens, wherein the lamp barrel is connected with the lamp cover through threads; the LED light source and projection system comprises an LED lamp assembly, a reflection cup, a light bar, a color wheel, a motor, a DMD chip and a projection lens, wherein the LED lamp assembly and the reflection cup are fixed together; laser light source and projection system comprise mounting bracket and 9 laser emitter, the mounting bracket is fixed inside a lamp section of thick bamboo, and adjacent lamp lid arranges, and 9 laser emitter equipartitions are on the mounting bracket, lens are installed at the terminal surface center of lamp lid, the terminal surface periphery of lamp lid is provided with the light-emitting hole that suits with laser emitter on the mounting bracket.

In the technical scheme, the gyroscope sensor is mounted on the inner wall of the lamp barrel, and the signal output end of the gyroscope sensor is connected with the DMD chip. The gyroscope sensor is used for sensing the irradiation angle of the lamp tube, when the irradiation direction of the lamp tube is not vertical to the projection plane, trapezoidal distortion in the vertical direction of the projected image can occur, at the moment, the gyroscope sensor converts the sensed irradiation angle into a usable output signal and transmits the signal to the DMD chip, and the DMD chip corrects the corresponding direction according to the deviation angle, so that the image display is normal.

Compared with the prior art, the utility model, beneficial effect as follows:

1. the utility model can project different patterns by inputting different signals to the DMD chip, thereby meeting the requirements of different scenes;

2. the utility model adds the gyroscope sensor, and realizes the automatic trapezoidal correction function;

3. the utility model discloses a combination that LED adds the laser can be agile, lean, in real time for the high and cold/plateau district found the mark that takes off and land of emergent interim helicopter apron.

Drawings

Fig. 1 is a schematic view of the appearance structure of the combined lighting system of the present invention.

Fig. 2 is a schematic diagram of the internal components of the combined lighting system of the present invention.

Fig. 3 is a schematic diagram of a two-degree-of-freedom lampholder transmission.

Fig. 4 is a first schematic diagram of a projection landing sign pattern.

Fig. 5 is a schematic diagram of a second projection landing logo pattern.

Fig. 6 is a schematic diagram of the working state of the present embodiment.

Fig. 7 is a rising and falling sign of a hospital heliport.

Fig. 8 is a lifting sign for a general heliport.

Fig. 9 is a rising and falling sign of an emergency heliport.

Wherein: 1-DMD chip, 2-first motor, 3-color wheel, 4-light bar, 5-reflecting cup, 6-LED lamp assembly, 7-mounting rack, 8-lamp cover, 9-gyroscope sensor, 10-projection lens, 11-laser emitter, 12-lens, 13-lamp tube, 14-lamp holder, 15-lamp holder 16-first belt wheel, 17-third motor, 18-belt, 19-second belt wheel, 20-second gear, 21-first gear and 22-second motor.

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 embodiment is only one of the embodiments of the present invention, and not all embodiments.

As shown in fig. 1 to fig. 3, the present embodiment provides a combined lighting system for a temporary helicopter landing place in a severe cold area, which mainly includes a light source housing, an LED light source and a projection system, and a laser light source and a projection system. The LED and laser combined lighting system comprises a DMD chip 1, a first motor 2, a color wheel 3, a light bar 4, a reflective cup 5, an LED assembly 6, a mounting rack 7, a lamp cover 8, a gyroscope sensor 9, a projection lens 10, a laser emitter 11, a lens 12, a lamp tube 13, a lamp holder 14, a lamp holder 15, a first belt wheel 16, a third motor 17, a belt 18, a second belt wheel 19, a second gear 20, a first gear 21 and a second motor 22.

(1) Light and image source casing

The function of the light source shell is to adjust the light system to quickly project the rising and falling marks to the appointed rising and falling points. The novel lamp holder comprises a lamp holder 15, a lamp holder 14, a lamp barrel 13, a lamp cover 8 and a lens 12, wherein the lamp barrel 13 and the lamp cover 8 are installed together through threads, the lens 12 is installed on the lamp cover 8, the lamp barrel 13 is installed on the lamp holder 14 and connected with a second belt wheel 19 inside the lamp holder 14, a third motor 17 drives a first belt wheel 16 to rotate, pitching motion of the lamp barrel 13 is achieved through transmission of a belt 18, the lamp holder 14 is installed on the lamp holder 15 and connected with a second gear 20 inside the lamp holder 15, a second motor 22 drives a first gear 21 to rotate, and horizontal rotation of the lamp holder 14 is achieved through gear meshing transmission.

(2) LED light source and projection system

The function of the LED light source and the projection system is to project a take-off and landing mark to a take-off and landing point, generally as shown in figures 8 and 9, wherein figure 8 is used as a general mark, and figure 9 is used for emergency and emergency. The LED lamp comprises an LED lamp assembly 6, a reflection cup 5, a light bar 4, a color wheel 3, a first motor 2, a DMD chip 1, a projection lens 10 and a gyroscope sensor 9. The LED lamp assembly 6 and the reflection cup installation 5 are installed together, and the light bar 4, the color wheel 3, the first motor 2 and the DMD chip 1 are sequentially arranged on a light emitting path of an LED light source. The first motor 2 rotates the color wheel 3.

The surface of the DMD chip 1 is fully distributed with rotatable lenses with a small volume, the lenses reflect light rays through rotation, the required lifting point lifting mark is projected out through the projection lens 10, and each lens correspondingly generates a pixel point of a lifting mark image.

The gyroscope sensor 9 is mounted on the inner wall of the lamp barrel 13 and used for sensing the irradiation angle of the lamp barrel 13, when the irradiation direction of the lamp barrel 13 is not perpendicular to the projection plane, trapezoidal distortion in the up-down direction of the projected image occurs, at this time, the gyroscope sensor 9 converts the sensed irradiation angle into an available output signal and transmits the signal to the DMD chip 1, and the DMD chip 1 corrects the corresponding direction according to the deviation angle, so that the image display is normal.

(3) Laser light source and projection system

The laser light source and the projection system have the function of projecting boundary points around the rising and falling points, wherein the boundary points are 'small circles' shown in figures 4 and 5, and the irradiation direction of the boundary points is consistent with the projection direction of the LED. The laser light source has the characteristics of good directivity and ultrahigh brightness, and can make up the deficiency of the projection brightness of the LED light source, so that a pilot can more visually see the boundary of the parking apron. It comprises mounting bracket 7 and nine laser emitter 11, mounting bracket 7 is fixed inside a lamp section of thick bamboo 13, and adjacent lamp lid 8 arranges, and 11 equipartitions of nine laser emitter are on mounting bracket 7, lens 12 is installed at the terminal surface center of lamp lid 8, the terminal surface periphery of lamp lid be provided with mounting bracket 7 on the laser emitter suitable light-emitting hole.

As shown in figure 6, when the embodiment is in operation, the take-off and landing signs of the emergency temporary helicopter take-off and landing apron can be quickly constructed in the alpine/plateau area, so that a driver can quickly find the direction to operate the airplane to land, and time is strived for searching, rescuing, anti-terrorism, riot control, clearing, forest protection, fire extinguishment and the like.

Details not described in this specification are within the skill of the art that are well known to those skilled in the art.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Combined lighting system of interim helicopter landing field in severe cold district, its characterized in that: the LED projection system comprises a light and image source shell, an LED light source and projection system, a laser light source and projection system; the light source shell comprises a lamp holder, a lamp barrel, a lamp cover and a lens, wherein the lamp barrel is connected with the lamp cover through threads; the LED light source and projection system comprises an LED lamp assembly, a reflection cup, a light bar, a color wheel, a motor, a DMD chip and a projection lens, wherein the LED lamp assembly and the reflection cup are fixed together; laser light source and projection system comprise mounting bracket and 9 laser emitter, the mounting bracket is fixed inside a lamp section of thick bamboo, and adjacent lamp lid arranges, and 9 laser emitter equipartitions are on the mounting bracket, lens are installed at the terminal surface center of lamp lid, the terminal surface periphery of lamp lid is provided with the light-emitting hole that suits with laser emitter on the mounting bracket.

2. The combination lighting system of claim 1, wherein: and a gyroscope sensor is installed on the inner wall of the lamp tube, and the signal output end of the gyroscope sensor is connected with the DMD chip.