CN113236993A

CN113236993A - LED projecting lamp based on light pollution prevention and control

Info

Publication number: CN113236993A
Application number: CN202110504267.4A
Authority: CN
Inventors: 崔勇; 何荧
Original assignee: Chongqing University
Current assignee: Chongqing University
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-08-10

Abstract

The invention belongs to the technical field of LED projection lamps, and particularly relates to an LED projection lamp based on light pollution prevention and control. Through being equipped with the bracing piece, it articulates in the inside of lighting fixture, and the projecting lamp body passes through connecting rod and bracing piece fixed connection, thereby projecting lamp body accessible bracing piece angle regulation, be convenient for adjust the illumination position, through being equipped with first guide arm, its connection plate has alternated perpendicularly, prevent the connecting plate, dull polish transparent plate and driven voussoir take place the skew, through being equipped with driven voussoir, it is trapezoidal with the initiative voussoir, when the initiative voussoir removes about the domatic contact to the driven voussoir slope, the inside section of inlaying of initiative voussoir established has reduced and the frictional force between the driven voussoir.

Description

LED projecting lamp based on light pollution prevention and control

Technical Field

The invention belongs to the technical field of LED projection lamps, and particularly relates to an LED projection lamp based on light pollution prevention and control.

Background

The projector is a lamp that specifies that the illuminance on the illuminated surface is higher than that in the surrounding environment. Also known as spotlights. In general, it can be aimed in any direction and has a structure that is not affected by the climatic conditions. The method is mainly used for large-area operation field mines, building outlines, stadiums, overpasses, monuments, parks, flower beds and the like. Thus, almost all large area lighting fixtures used outdoors can be considered as floodlights. The angle of the outgoing beam of the projector is wide and narrow, ranging from 0 ° to 180 °, among which the beam is particularly narrow called a searchlight.

However, although the existing LED projection lamp plays a role of illumination when used in a part of environments, light pollution is generated when light beams are concentrated, and the light pollution of the LED projection lamp is inconvenient to prevent and control.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an LED projection lamp based on light pollution prevention and control, which solves the problem that the light pollution of the LED projection lamp is inconvenient to prevent and control.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a LED projecting lamp based on light pollution prevention and control, includes the base, the last fixed surface of base is connected with the lighting fixture, the inside of lighting fixture articulates there is the bracing piece, the fixed surface of bracing piece is connected with the connecting rod, the one end fixedly connected with projecting lamp body of connecting rod, one side fixedly connected with fixed plate of projecting lamp body, the first guide arm of lower fixed surface fixedly connected with of fixed plate, the fixed surface of first guide arm is connected with the support piece, the connecting plate has been cup jointed on the surface of first guide arm, the last fixed surface of connecting plate is connected with dull polish transparent plate, the lower fixed surface of connecting plate is connected with driven voussoir.

The bottom fixedly connected with mounting bracket of first guide arm, the last fixed surface of mounting bracket installs the motor, the output fixedly connected with lead screw of motor, the surface threaded connection of lead screw has the initiative voussoir, the inside of initiative voussoir is inlayed and is equipped with the slitting.

Preferably, the upper surface of the fixing plate is fixedly connected with a cover body, and the upper surface of the fixing plate is provided with a strip-shaped groove.

Preferably, the upper surface of the mounting frame is fixedly connected with a limiting plate, and one side of the limiting plate is fixedly connected with a second guide rod.

Preferably, the inside of lighting fixture articulates there is the movable rod, the fixed surface of movable rod is connected with the kelly.

Preferably, the surface of the support rod is fixedly connected with a gear, and the gear is meshed with teeth on the surface of the clamping rod.

Preferably, one side fixedly connected with arc spout of lighting fixture, and projecting lamp body sliding connection in arc spout.

Preferably, the driven wedge and the driving wedge are trapezoidal.

Preferably, the number of the frosted transparent plates is three, and the frosted transparent plates are arranged in a horizontal array.

Compared with the prior art, the invention has the beneficial effects that:

by arranging the support rod which is hinged in the lamp bracket, and the projection lamp body is fixedly connected with the support rod through the connecting rod, so that the angle of the projection lamp body can be adjusted through the support rod, the illumination position can be conveniently adjusted, and through the arrangement of the first guide rod, which vertically penetrates through the connecting plate to prevent the connecting plate, the frosted transparent plate and the driven wedge from deviating, and through the arrangement of the driven wedge, the driving wedge and the driving wedge are both trapezoidal, when the driving wedge moves left and right to make the slope surface contact with the slope surface of the driven wedge, the rolling strip embedded in the driving wedge reduces the friction force between the driving wedge and the driven wedge, so that the driven wedge block is extruded to move upwards along the first guide rod, the driven wedge block moves upwards to move the frosted transparent plate upwards, and the frosted transparent plate is arranged, it shifts up and can shelter from the light beam that the projecting lamp body jetted out, and light sees through dull polish transparent plate and forms irregular scattering to still can not produce light pollution when illuminating.

Through being equipped with the motor, its output can drive lead screw corotation and reversal, and through being equipped with the lead screw, its corotation or reversal can force the initiative voussoir to move left or to the right, and through being equipped with the cover body, it can form the protection to the dull polish transparent plate, improves the life of dull polish transparent plate, through being equipped with the bar groove, can be convenient for the dull polish transparent plate shifts up and pass the fixed plate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the complete structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a right side view of the present invention;

FIG. 5 is a top view of the junction of the present invention;

FIG. 6 is a bottom view block diagram of the present invention;

fig. 7 is an enlarged view of the invention at a in fig. 6.

In the figure: 1, a base; 2, lamp holders; 3, supporting the rod; 4 connecting rods; 5, the projector body; 6, fixing a plate; 7 a first guide bar; 8, supporting a piece; 9 connecting plates; 10 frosted transparent plates; 11, a driven wedge block; 12, mounting a frame; 13 a motor; 14, a screw rod; 15 driving wedge block; 16 rolling strips; 17 a cover body; 18 strip-shaped grooves; 19 a limiting plate; 20 a second guide bar; 21 a movable rod; 22 a clamping rod; 23 gear wheels; 24 arc-shaped sliding chutes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a LED projecting lamp based on light pollution prevention and control, the on-line screen storage device comprises a base 1, base 1's last fixed surface is connected with lighting fixture 2, the inside of lighting fixture 2 articulates there is bracing piece 3, the fixed surface of bracing piece 3 is connected with connecting rod 4, the one end fixedly connected with projecting lamp body 5 of connecting rod 4, one side fixedly connected with fixed plate 6 of projecting lamp body 5, the lower fixed surface of fixed plate 6 is connected with first guide arm 7, the fixed surface of first guide arm 7 is connected with holds in the palm piece 8, connecting plate 9 has been cup jointed on the surface of first guide arm 7, the last fixed surface of connecting plate 9 is connected with dull polish transparent plate 10, the lower fixed surface of connecting plate 9 is connected with driven voussoir 11.

The bottom end of the first guide rod 7 is fixedly connected with an installation frame 12, the upper surface of the installation frame 12 is fixedly provided with a motor 13, the output end of the motor 13 is fixedly connected with a lead screw 14, the surface of the lead screw 14 is in threaded connection with a driving wedge block 15, and a rolling strip 16 is embedded in the driving wedge block 15.

In this embodiment, the supporting rod 3 is hinged inside the lamp holder 2, and the projector body 5 is fixedly connected with the supporting rod 3 through the connecting rod 4, so that the projector body 5 can adjust the angle through the supporting rod 3 to adjust the illumination position conveniently, the first guide rod 7 is arranged to vertically penetrate through the connecting plate 9 to prevent the connecting plate 9, the frosted transparent plate 10 and the driven wedge 11 from deviating, the driven wedge 11 is trapezoidal with the driving wedge 15, when the driving wedge 15 moves left and right and the slope surface contacts with the slope surface of the driven wedge 11, the roller 16 embedded inside the driving wedge 15 reduces the friction force between the driven wedge 11, so that the driven wedge 11 is extruded to move upwards along the first guide rod 7, the driven wedge 11 moves upwards to move upwards to enable the frosted transparent plate 10 to move upwards, and the frosted transparent plate 10 moves upwards to shield the light beam emitted by the projector body 5, light forms irregular scattering through dull polish transparent plate 10 to still can not produce light pollution when lighting up, through being equipped with motor 13, its output can drive lead screw 14 corotation and reversal, through being equipped with lead screw 14, its corotation or reversal can force initiative voussoir 15 to move left or to the right, through being equipped with the cover body 17, it can form the protection to dull polish transparent plate 10, improve the life of dull polish transparent plate 10, through being equipped with bar groove 18, can be convenient for dull polish transparent plate 10 to shift up and pass fixed plate 6.

Specifically, the last fixed surface of fixed plate 6 is connected with the cover body 17, and bar groove 18 has been seted up to the upper surface of fixed plate 6, and through being equipped with the cover body 17, there is the interval between the cover body 17, can be favorable to forming the protection to vertically moving's dull polish transparent plate 10, can also improve its stability when preventing it from receiving the striking, through being equipped with bar groove 18, can be favorable to dull polish transparent plate 10 vertical migration to run through fixed plate 6.

Specifically, the upper surface fixedly connected with limiting plate 19 of mounting bracket 12, one side fixedly connected with second guide arm 20 of limiting plate 19, through being equipped with limiting plate 19, the one end of lead screw 14 is rotated and is connected inside it, can improve the rotational stability of lead screw 14, through being equipped with second guide arm 20, its level runs through initiative voussoir 15, thereby prevent that initiative voussoir 15 from following the rotation of lead screw 14 and squinting, be favorable to initiative voussoir 15 and lead screw 14 to produce the effort, be convenient for initiative voussoir 15 to carry out horizontal migration.

Specifically, the inside of lighting fixture 2 articulates there is the movable rod 21, and the fixed surface of movable rod 21 is connected with kelly 22, and through being equipped with movable rod 21, movable rod 21 articulates inside lighting fixture 2, consequently can roll to kelly 22 accessible movable rod 21 changes the angle, and kelly 22's surface is equipped with tooth, and tooth can mesh with gear 23, thereby kelly 22 can fixed gear 23.

Specifically, the fixed surface of bracing piece 3 is connected with gear 23, and gear 23 and the tooth meshing on kelly 22 surface, through being equipped with gear 23, when it is fixed by kelly 22, projecting lamp body 5 will not change the angle to be favorable to fixed projecting lamp body 5 at required angle.

Specifically, one side fixedly connected with arc spout 24 of lighting fixture 2, and 5 sliding connection of projecting lamp body in arc spout 24, through being equipped with arc spout 24, its orbit is the same with 5 inclined trajectory of projecting lamp body, and 5 sliding connection of projecting lamp body in arc spout 24 to be favorable to improving the stability when pulling projecting lamp body 5, prevent that its production from breaking away from.

Specifically, the driven wedge 11 and the driving wedge 15 are both trapezoidal, and the driven wedge 11 and the driving wedge 15 are both trapezoidal, so that slopes are formed on two sides of the driven wedge 11 and the driving wedge 15, and the driving wedge 15 is convenient to extrude the driven wedge 11 to force the driven wedge to move upwards.

Specifically, the quantity of dull polish transparent plate 10 is three, and sets up for horizontal array, and the quantity through setting up dull polish transparent plate 10 is three, and the dull polish coefficient inequality of three dull polish transparent plate 10, the setting of dull polish transparent plate 10 horizontal array reduces from a left side to right coefficient of friction in proper order, has the interval between it to can use dull polish transparent plate 10 of suitable dull polish coefficient to come the light pollution prevention and control according to the occasion needs.

The working principle and the using process of the invention are as follows: when the device is used, the device is firstly placed at a proper position, then the clamping rod 22 can be manually controlled to be separated from the gear 23, then the projector body 5 is pulled to change to a proper angle along the arc-shaped sliding groove 24, then the clamping rod 22 is controlled to clamp the gear 23, so that the projector body 5 is fixed, then the projector body 5 is controlled to start illumination, when light pollution is generated by concentrated light beams, the motor 13 needs to be controlled to start, the output end of the motor 13 drives the screw rod 14 to rotate forward to force the driving wedge block 15 to move leftward, when the driving wedge block 15 moves leftward and the slope surface thereof contacts with the slope surface of the driven wedge block 11, the rolling strip 16 embedded in the driving wedge block 15 reduces the friction force between the rolling strip and the driven wedge block 11, the driven wedge block 11 is extruded to move upward along the first guide rod 7, the driven wedge block 11 moves upward to enable the transparent plate 10 to move upward, and the transparent plate 10 can shield the light beams emitted by the projector body 5, at the moment, the motor 13 is controlled to be turned off, light penetrates through the frosted transparent plate 10 to form irregular scattering, so that light pollution cannot be generated while illumination is achieved, the output end of the motor 13 drives the screw rod 14 to rotate reversely, the driving wedge block 15 can be forced to move rightwards, the frosted transparent plate 10 with a proper frosting coefficient can be selectively lifted according to occasions to prevent and control light pollution, and the input end of electric equipment in the equipment is electrically connected with an external power supply.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED floodlight based on light pollution prevention and control, comprising a base (1), a lamp frame (2) is fixedly connected to the upper surface of the base (1), and the interior of the lamp frame (2) is hinged with a support A rod (3), the surface of the support rod (3) is fixedly connected with a connecting rod (4), and one end of the connecting rod (4) is fixedly connected with a floodlight body (5), characterized in that: the projector A fixing plate (6) is fixedly connected to one side of the lamp body (5), a first guide rod (7) is fixedly connected to the lower surface of the fixing plate (6), and the surface of the first guide rod (7) is fixedly connected. A bracket (8) is fixedly connected, a connecting plate (9) is sleeved on the surface of the first guide rod (7), and a frosted transparent plate (10) is fixedly connected to the upper surface of the connecting plate (9), so A driven wedge (11) is fixedly connected to the lower surface of the connecting plate (9).

An installation frame (12) is fixedly connected to the bottom end of the first guide rod (7), a motor (13) is fixedly installed on the upper surface of the installation frame (12), and the output end of the motor (13) is fixedly connected A lead screw (14) is provided, an active wedge (15) is threadedly connected to the surface of the lead screw (14), and a rolling strip (16) is embedded in the inside of the active wedge (15).

2. The LED floodlight based on light pollution prevention and control according to claim 1, characterized in that: the upper surface of the fixing plate (6) is fixedly connected with a cover (17), and the fixing plate (6) ) is provided with a strip groove (18) on the upper surface.

3. The LED floodlight based on light pollution prevention and control according to claim 1, characterized in that: the upper surface of the mounting bracket (12) is fixedly connected to a limit plate (19), and the limit plate ( One side of 19) is fixedly connected with a second guide rod (20).

4. The LED floodlight based on light pollution prevention and control according to claim 1, characterized in that: a movable rod (21) is hinged on the inside of the lamp holder (2), and the movable rod (21) has a movable rod (21). A clamping rod (22) is fixedly connected to the surface.

5 . The LED floodlight based on light pollution prevention and control according to claim 4 , wherein a gear ( 23 ) is fixedly connected to the surface of the support rod ( 3 ), and the gear ( 23 ) is connected to the clamping rod. 6 . (22) Teeth meshing on the surface.

6 . The LED flood light based on light pollution prevention and control according to claim 1 , characterized in that: one side of the lamp holder ( 2 ) is fixedly connected with an arc-shaped chute ( 24 ), and the flood light The body (5) is slidably connected to the arc-shaped chute (24).

7 . The LED flood light based on light pollution prevention and control according to claim 1 , wherein the driven wedge ( 11 ) and the active wedge ( 15 ) are both trapezoidal. 8 .

8 . The LED flood light based on light pollution prevention and control according to claim 1 , wherein the number of the frosted transparent plates ( 10 ) is three, and they are arranged in a horizontal array. 9 .