CN202791531U

CN202791531U - Light-guide-type decorative illuminating tube

Info

Publication number: CN202791531U
Application number: CN2012204954119U
Authority: CN
Inventors: 陈铿胜
Original assignee: E-LAN AUTOMOBILE FITTING MANUFACTURING (PINGHU) Co Ltd
Current assignee: E-LAN AUTOMOBILE FITTING MANUFACTURING (PINGHU) Co Ltd
Priority date: 2012-09-26
Filing date: 2012-09-26
Publication date: 2013-03-13
Anticipated expiration: 2022-09-26

Abstract

The utility model discloses a light-guide-type decorative illuminating tube. The light-guide-type decorative illuminating tube comprises a light-guide element, at least an illuminating unit and a heat-dissipating bracket, wherein the illuminating unit is arranged at one end of the light-guide element or two ends of the light-guide element; the illuminating unit comprises a light-emitting diode (LED) light source and a convex lens, lights emitted by the LED light source are emitted from a light-in surface of the end portion of the light-guide element to the inner side of the light-guide element and are transmitted after penetrating through the convex lens and being collected, and therefore ensures that the light-guide element generates glowing effects; the heat-dissipating bracket is arranged on the light-guide element and contacts a heat-dissipating lamp base, heat generated by the illuminating unit is capable of being radiated to the heat-dissipating lamp base and being transmitted to the heat-dissipating bracket through the heat-dissipating lamp base, and therefore area of eliminating heat is enlarged.

Description

Light-guiding type decorative lighting pipe

Technical field

The utility model relates to a kind of light-guiding type decorative lighting pipe for illumination, decorative use.

Background technology

The reason of and power saving long based on service life uses light-emittingdiode (LED) to become at present general trend as the light source of the purposes such as illumination, caution or decoration.With LED the 3rd Brake car light of automobile, normally a plurality of LED are arranged in a straight line, in the time of vapour car Brake car, touch circuit and reach warning function to make those LED luminous, to use.In addition, the Yi Ban Brake car light of automobile, indicator, or the lampion of car Inner has also gradually adopted LED as light source.Yet, because single LEDs intensity of light that can send is limited, therefore, usually need the number LEDs to form a light fixture, also can't reduce cost because the used LED quantity of one group of light fixture is more.In addition, the light that is directly sent by LED is not softer yet.

Summary of the invention

The purpose of this utility model, being to provide a kind of only needs to use a small amount of LED crystal grain that enough brightness and soft illumination effect can be provided, and the decoration lighting tube that can well heat be got rid of.

The utility model is achieved through the following technical solutions:

A wherein feature of the present utility model, to utilize single or a small amount of LED as the light source of luminescence unit, from the end axis of a strip ray guidance element to injecting light, make light enter ray guidance element Inner conduction and reflect again the light guide element, so that whole piece ray guidance element produces soft light, can provide the purposes such as illumination, caution or decoration.

Another feature of the present utility model is at the ray guidance element one cooling stand to be set, and makes cooling stand contact luminescence unit, and by this, the heat that luminescence unit produces is conducted to cooling stand to accelerate the heat extraction effect.

An again feature of the present utility model, can luminescence unit all be set at the opposite end of a ray guidance element, two groups of luminescence units launch light into ray guidance element Inner conduction from two relative directions, cooling stand then contacts two groups of luminescence units simultaneously, by this, the heat of two groups of luminescence unit generations all can conduct to cooling stand to accelerate the heat extraction effect.

The utility model is that employing has light-permeable, material reflective and leaded light character is made to have and extended axially a length, and makes the axial opposite end of this ray guidance element divide Do as incidence surface for the technological means of aforementioned ray guidance element.

The utility model is for the technological means of aforementioned luminescence unit, to comprise circuit board and the convex lens that holder, that a cooling lamp holder, with one the one Inner space has one the 2nd Inner space is electrically connected with led light source, this holder is located at a Inner space of this cooling lamp holder, these convex lens are located at the 2nd Inner space of this holder, circuit board and led light source then are located at the outside with respect to the 2nd Inner space of holder, but make led light source penetrate the 2nd Inner space, make convex lens between the incidence surface of this led light source and this ray guidance element.Aforementioned cooling stand is located at the ray guidance element, and makes cooling stand contact cooling lamp holder; The heat that luminescence unit produces is incident upon cooling lamp holder by the width of cloth, conducts to cooling stand via cooling lamp holder again, to enlarge area of dissipation, promotes the heat extraction effect.

The beneficial effects of the utility model are: because the utility model is to adopt the leaded light mode indirectly with the light conduction of LED out, therefore can present the soft light effect, and the LED negligible amounts of adopting, more can reduce the manufacturing cost of light fixture.In addition, utilize cooling stand to enlarge the heat-conducting area of luminescence unit, can promote whole thermal discharge efficiency, reduce the damage probability of element.

Description of drawings:

Fig. 1 is plane of the present utility model decomposition texture schematic diagram.

Fig. 2 is the utility model internal structure schematic diagram.

Fig. 3 is the partial enlarged drawing of the second figure.

The specific embodiment

Below cooperate graphic and component symbol is done more detailed description to the embodiment of this creation, have the knack of this technical field person and after studying this specification carefully, can implement according to this in order to do making.

Consult the first figure, the preferred embodiment of the light-guiding type decorative lighting pipe that this creation provides includes a ray guidance element 1, a luminescence unit 2 and a cooling stand 3; Wherein, described ray guidance element 1 be adopt have printing opacity, the optical grade material manufacturing of reflective and leaded light character, make it form microscler barred body along extending axially a length, the section of this ray guidance element 1 can be to be Round shape, also can be polygonal, or even other geometric form Like.In addition, also can mold the matsurface (not shown) that possesses the refractive power effect at the outer surface of ray guidance element 1, for example plural sawtooth, plural salient point, plural bullet ... Deng.The axial opposite end Fen Do of this ray guidance element 1 is as the incidence surface 11 that provides light to inject.

The preferred embodiment of the luminescence unit 2 of this creation comprises the circuit board 23 that holder 22, that a cooling lamp holder 21, with one the one Inner space 211 has one the 2nd Inner space 221 is electrically connected with at least one led light source 231, and convex lens 24; Wherein, the 2nd Inner space 221 of holder 22 is used for assembling described convex lens 24, holder 22 then arranges the circuit board 23 that combination has led light source 231 with respect to the outside in the 2nd Inner space 221, after convex lens 24 and the circuit board 23 that combines led light source 231 all be located at holder 22, together holder 22 is combined in again a Inner space 211 of cooling lamp holder 21, the 2nd Inner space 221 of holder 22 then is located in the end of ray guidance element 1, make convex lens 24 between incidence surface 11 and led light source 231, and led light source 231 is axially corresponding to convex lens 24; The external diameter of this holder 22 is slightly less than a Inner space 211 Inner footpath of cooling lamp holder 21, by this, after having assembled circuit board 23, led light source 231 holder 22 with convex lens 24 and be assembled in again in the Inner space 211 of cooling lamp holder 21, consist of a luminescence unit 2; Described luminescence unit 2 is be used at least one end that is installed in ray guidance element 1, so that convex lens 24 are corresponding to incidence surface 11.

Described holder 22 preferably adopts light tight, even but the material of extinction is made, led light source 231 is from the direction setting towards the 2nd Inner space 221 of the lateral surface of holder 22, be not make led light source 231 outstanding the 2nd Inner spaces 221, its purpose is that the light of avoiding led light source 231 to produce spreads toward the next door, thereby makes light and pass convex lens 24 to concentrate light to inject ray guidance element 1 Inner conduction via 221 guidings of the 2nd Inner space.

Luminescence unit 2 is combined in the mode of ray guidance element 1 end, it is the 2nd Inner space 221 that convex lens 24 is combined in holder 22, and the circuit board 23 that is provided with led light source 231 is located at the holder 22 outer rear flank with respect to the 2nd Inner space 221, again holder 22 is combined in a Inner space 211 of cooling lamp holder 21 together with circuit board 23 ﹑ led light sources 231 and convex lens 24, and then the end of ray guidance element 1 is combined in the 2nd Inner space 221 of holder 22, so that convex lens 24 are axially corresponding to incidence surface 11, even also convex lens 24 are between led light source 231 and incidence surface 11.This creation can be installed on one group of luminescence unit 2 end of ray guidance element 1, makes the light of led light source 231 emissions inject conduction from the incidence surface 11 of ray guidance element 1 one ends; Also two groups of luminescence units 2 can be installed on the two ends of ray guidance element 1, make the light of led light source 231 emissions inject conduction from the incidence surface 11 at ray guidance element 1 two ends.

When this creation all is equipped with luminescence unit 2 at the two ends of ray guidance element 1, can be further all connect a wire 4 at the circuit board 23 of two luminescence units 2; 4 length Fabric along ray guidance element 1 of wire put.

The cooling stand 3 of this creation is to adopt the metal material manufacturing with good heat conductive character, make it have axially extended length, even the one side further forms the cancave cambered surface 32 of the surperficial radian of corresponding ray guidance element 1, and at cooling stand 3 at least one perforation 31 is set; After cooling stand 3 can be placed in the outer surface of ray guidance element 1 with its cancave cambered surface 32, the recycling screw was locked in the surperficial appropriate location of ray guidance element 1 with it, and made cooling stand 3 contact cooling lamp holders 21.Aforementioned connecting circuit board 23 and pass the perforation 31 of cooling stand 3 to be connected to the power supply (not shown) along 4 in the wire that ray guidance element 1 Fabric puts.

Consult again the second figure and the 3rd figure, the light-guiding type decorative lighting pipe of aforementioned creation, its illumination mode is to import that circuit board 23 makes led light source 231 energisings and after producing light by power supply, light passes convex lens 24 and injects from the incidence surface 11 of ray guidance element 1 after concentrating, when light directly conducts with the reflection conduction in ray guidance element 1 Inner section, part light can directly throw away from ray guidance element 1, another part light then can reflect away, and then produces soft illumination effect from ray guidance element 1.The heat that led light source 231 produces then can be incident upon cooling lamp holder 21 by the width of cloth, 21 of cooling lamp holders further conduct to heat cooling stand 3, cooling stand 3 is because have larger area, thereby has the effect that enlarges the heat extraction area, reaches the effect of improving heat radiation efficiency.

The above person only is in order to explain the preferred embodiment of this creation; be not that the attempt tool is to do any formal restriction to this creation; be with, all have in lower any modification or the change of doing relevant this creation of identical creation spirit, all must be included in the category of this creation intention protection.

Claims

1. a light-guiding type decorative lighting pipe is characterized in that, comprises: a ray guidance element, and employing has light-permeable, material reflective and leaded light character is made to have and extended axially a length, and it is incidence surface that the axial opposite end of this ray guidance element divides Do; At least one luminescence unit, be located at least one end of this ray guidance element, this luminescence unit comprises a cooling lamp holder with one the one Inner space, one has the holder in one the 2nd Inner space, one is electrically connected with Dian Lu Ban ﹑ and convex lens of led light source, these convex lens are located at the 2nd Inner space of this holder, this circuit board and led light source are located at the holder outside with respect to the 2nd Inner space, and make this led light source penetrate the 2nd Inner space, this holder is located at a Inner space of this cooling lamp holder, the end of this leaded light guide element is combined in the 2nd Inner space of this holder, make these convex lens axially corresponding to the incidence surface of this ray guidance element, and make these convex lens between this led light source and this incidence surface; One cooling stand be located at this ray guidance element, and this cooling stand contacts this cooling lamp holder.

2. light-guiding type decorative lighting pipe according to claim 1, the incidence surface that it is characterized in that described these ray guidance element two ends is equipped with described luminescence unit, the Dian road Ban Fen Do of this two luminescence unit is electrically connected a wire, and this wire is electrically connected to a power supply after then passing a perforation of being located at this cooling stand.