CN100498042C

CN100498042C - LED rapid zooming illuminating apparatus

Info

Publication number: CN100498042C
Application number: CNB2006100358159A
Authority: CN
Inventors: 欧阳伟; 欧阳杰
Original assignee: GREAT ELECTRONICS (XIAMEN) CO Ltd
Current assignee: GREAT ELECTRONICS (XIAMEN) CO Ltd
Priority date: 2006-06-02
Filing date: 2006-06-02
Publication date: 2009-06-10
Anticipated expiration: 2026-06-02
Also published as: CN101082395A

Abstract

This invention discloses a sort of LED fast zoom illuminating set. It mostly includes noumenon, power set and LED, power set is located in noumenon, LED is located in the front-end of the noumenon, LED forms power connection with power set by the circuit board. In the arbor of the frontage of LED located a convex-glass which can shuttle relative to LED, the LED's distance-change relative to the convex-glass is in bound of the convex-glass's twofold focus. Owing to that this invention adopts LED's high brightness, convex-glass's focusing in different focus, as long as adjusting the micro-spur between them, It function is that it can carry out the illuminating micro-spur's high brightness in the long-distance and the astigmatic illuminating big area in the close-quarters, also the facular of the long-distance and the close-quarters average, thus regulative rate is swiftness, operation is rapid. In addition this illuminating set does not need the glisten cup and its parts are few, so its size is small and its frame is compaction so that it can be schlepped conveniently and apply to especial lieu.

Description

The LED rapid zooming illuminating apparatus

Technical field

The invention relates to a kind of lighting device, be meant a kind of LED rapid zooming illuminating apparatus especially.

Background technology

The standing portable lighting device of people is generally flashlight in the daily life.The adjustable flashlight of tradition is by the turn bulb socket, because the lamp pearl is globe-type luminescence, adjusts the front and back position of electroluminescent lamp pearl in reverberation bowl, realizes the far and near strong and weak variation adjustment of flashlight irradiation.But in this zoom mode, because the luminous intensity of lamp pearl and to regulate distance far away limited and can't adapt to the needs of actual life.If adopt LED to make light source, because LED is the single face light source, can't launch light backward, so reverberation bowl can't realize adjusting far and near irradiation.People have also invented the various devices of regulating far and near illumination by research, as adjustable lighting devices of disclosed distance such as Chinese patent CN01224488.0, CN03228324.5, CN03224922.5.

But scheme used in aforementioned several patent roughly all adopts two groups of Different Light, and its distance is that the change by Different Light realizes that complex structure is to more then realizing.For the use in some special places, as far and near distance require from closely to the adjusting of (as about) far away, as in the modern military war and public security police's night operations to 30 meters, the street fighting of going down town, upstairs with downstairs, need under the situation of telefocus between the Lou Yulou or the like, astigmatism then be can't see; And for example assault of fortified positions enters in the building, stair, and the situation of forcing open the door or the like if be focused into a point, does not just have the comprehensive visual field, and this just needs the light source of a scattering.

Summary of the invention

The object of the present invention is to provide a kind of volume little, can short distance realize regulating the LED rapid zooming illuminating apparatus that far and near distance throws light on.

For achieving the above object, solution of the present invention is: a kind of LED rapid zooming illuminating apparatus mainly comprises body, supply unit and LED; Supply unit places body, LED is located at the front end of body, LED forms power supply by circuit board and supply unit and connects, is provided with the convex lens that move forward and backward of LED relatively on the optical axis in LED the place ahead, and wherein the variable in distance of relative these convex lens of this LED is the two focus length scopes at convex lens.

Described body is provided with the adjusting device that the relative LED of these convex lens is moved forward and backward.

Described adjusting device is the sliding sleeve that slides along the body front and back in body portion sheathed, and this sliding sleeve front end is established gland, establishes convex lens between gland and sliding sleeve; In body upper sliding sleeve stroke, be arranged with water proof ring.

Described adjusting device is an adjustment cover, and this adjustment cover front end is established gland, establishes convex lens at gland with adjusting inner room, and described adjustment cover is screwed onto on the body by quick screw thread.

Described adjusting device is the sliding sleeve that slides along the body front and back in body portion sheathed, establish a cannelure on this sliding sleeve rear portion, be provided with one " L " shape suspension member in cannelure, be provided with two draw-in grooves on body, the jut adjustable ground of " L " shape suspension member is articulated in two draw-in grooves on the body.

Described LED holder front end is provided with the retaining wall.

Described convex lens are single convex lens.

This LED relatively variable in distance scope of these convex lens is 0 to 35mm.

Described rear body is provided with stake body.

After adopting such scheme, because the present invention utilizes the adjusting of distance between LED and the convex lens to change the illumination that can realize far and near distance, utilized LED brightness height, the focusing of the different focal of convex lens, only need to adjust the variation of microspur between the two, it is strong to realize that the long distance illumination focuses on brightness, closely the big function of strary lighting area, and the hot spot of D﹠N is average, thereby governing speed is fast, operation is rapid; In addition, need not reflector in this lighting device, and parts are few, then little, the compact conformation of volume is so that carry and be applied to special place.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present invention;

Fig. 2 is the three-dimensional exploded view of another embodiment of the present invention;

Fig. 3 is the three-dimensional exploded view of an embodiment more of the present invention.

The specific embodiment

As shown in Figure 1, LED rapid zooming illuminating apparatus of the present invention mainly comprises body 1, supply unit (not shown), light-emitting component 2, sliding sleeve 3 and single convex lens 5;

Supply unit is that battery is to place body 1;

Light-emitting component 2 is that a LED21 is fixed on the circuit board 22, and circuit board 22 belows are provided with conducting strip 23, and circuit board 22 is fixed on the holder 24, and holder 24 is screwed onto the front end of body 1; LED21 can have epoxy resin that light source is once focused on and form optically focused LED when encapsulation;

LED21 forms power supply by circuit board 22, conducting strip 23 with battery and connects;

Sliding sleeve 3 is a cylindrical shell, and front end is established gland 4, at

gland

4 and 3 of sliding sleeves single convex lens 5 is set, and these list convex lens 5 are provided in a side of on the optical axis in LED21 the place ahead; Sliding sleeve 3 is socketed on the body 1 and can slides along body 1 front and back, is provided with water proof ring 11 on body 1, and this sliding sleeve 3 is by locating with the friction of water proof ring 11.

Can be equiped with transparent watertight lid 6 in addition in the front portion of light-emitting component 2.

For the illumination intensity that makes light is bigger, before led circuit plate 22, is close to led circuit plate 2 and is provided with reflecting piece 7.

During use, only need pulling sliding sleeve 3, when between one to the two times focal length of LED21 at single convex lens 5, the light that single convex lens 5 send LED21 focuses on place far away, when pulling sliding sleeve 3, when in one times of focal length of LED21 at single convex lens 5, the light that LED22 sends out is dispersed through behind the convex lens 5, can only illuminate than close-target, the variable in distance of relative these convex lens 5 of this LED22 is the two focus length scopes at convex lens, and promptly the short distance in 0 to 35mm is regulated the adjusting that can realize lighting device far and near distance illumination of the present invention.

The face that described single convex lens 5 are relative with LED22 is the plane, and another side is a convex surface, adopts this lens lower to the lens specification requirement, is easy to realize.

As shown in Figure 2, the adjusting of distance is adjusted cover one realization by one between convex lens of the present invention and LED: this adjustment cover 3 ' end is established gland, at gland 4 and adjust cover 3 ' be provided with convex lens 5, described adjustment cover 3 ' by quick screw thread 11 ' body 1 ' on before and after spiral shell moving.

For aforesaid adjusting device is not come off from body, described LED holder is screwed onto on the body, the anterior retaining wall that forms greater than described adjusting device afterbody internal diameter of LED holder.

As shown in Figure 3, sliding sleeve 3 ＂ are mobilizable to be socketed on body 1 ＂: establish a cannelure 31 ＂ on sliding sleeve 3 ＂ rear portions, in cannelure 31 ＂, be provided with one " L " shape suspension member, 32 ＂, be provided with two draw-in grooves, 11 ＂, 12 ＂ on body 1 ＂, the jut adjustable ground of " L " shape suspension member 32 ＂ is articulated in two draw-in grooves, 11 ＂, 12 ＂ on the body.

As shown in Figure 3, the present invention can be used as shot-light and uses, and not battery operation and use external power source is provided with stake body 8 in rear body and fixes shot-light.

Certainly, single convex lens can be provided with fixedly in the device of the present invention, and that LED is made as is movable, can realize the adjustment of the two far and near distance equally.

Inventive point of the present invention is: by regulating the change that LED and the short distance of the relative distance of convex lens are regulated the focusing that realizes lighting device (light source at one times to two focus length) and astigmatic (light source is in one times of focal length), reach the illumination functions of far and near distance.

Claims

1, a kind of LED rapid zooming illuminating apparatus comprises body, supply unit and LED; Supply unit places body, LED is located at the front end of body, LED forms power supply by circuit board and supply unit and connects, the optical axis in LED the place ahead is provided with the convex lens that move forward and backward of LED relatively, it is characterized in that: this LED relatively the variable in distance scope of these convex lens be these convex lens zero to two focus length.

2, LED rapid zooming illuminating apparatus as claimed in claim 1 is characterized in that: be provided with the adjusting device that the relative LED of these convex lens is moved forward and backward on body.

3, LED rapid zooming illuminating apparatus as claimed in claim 2 is characterized in that: the sliding sleeve of described adjusting device for sliding along the body front and back in body portion sheathed, and this sliding sleeve front end is established gland, establishes described convex lens between gland and sliding sleeve; In body upper sliding sleeve stroke, be arranged with water proof ring.

4, LED rapid zooming illuminating apparatus as claimed in claim 2, it is characterized in that: described adjusting device is an adjustment cover, this adjustment cover front end is established gland, establishes described convex lens at gland with adjusting inner room, and described adjustment cover is screwed onto on the body by quick screw thread.

5, LED rapid zooming illuminating apparatus as claimed in claim 2, it is characterized in that: the sliding sleeve of described adjusting device for sliding along the body front and back in body portion sheathed, establish a cannelure on this sliding sleeve rear portion, in cannelure, be provided with one " L " shape suspension member, be provided with two draw-in grooves on body, the jut adjustable ground of " L " shape suspension member is articulated in two draw-in grooves on the body.

6, as claim 3 or 4 described LED rapid zooming illuminating apparatus, it is characterized in that: described LED is fixed on the described circuit board, and described circuit board is fixed on the holder, and described holder is screwed onto the front end of described body.

7, LED rapid zooming illuminating apparatus as claimed in claim 1 is characterized in that: these convex lens are single convex lens.

8, LED rapid zooming illuminating apparatus as claimed in claim 1 is characterized in that: this LED relatively variable in distance scope of these convex lens is 0 to 35mm.

9, LED rapid zooming illuminating apparatus as claimed in claim 1, it is characterized in that: rear body is provided with stake body.