CN201944620U

CN201944620U - LED (Light Emitting Diode) down lamp

Info

Publication number: CN201944620U
Application number: CN2011200224771U
Authority: CN
Inventors: 邱海涛
Original assignee: SHENZHEN KABIT SEMICONDUCTOR LIGHTING CO Ltd
Current assignee: SHENZHEN KABIT SEMICONDUCTOR LIGHTING CO Ltd
Priority date: 2011-01-24
Filing date: 2011-01-24
Publication date: 2011-08-24
Anticipated expiration: 2021-01-24

Abstract

The utility model discloses an LED (Light Emitting Diode) down lamp, which comprises a base plate, an electrode seat and a power-supply conductive terminal, wherein the power-supply conductive terminal is connected with a power supply. The LED down lamp is characterized in that the LED down lamp also comprises two LED conductive terminals, and two through holes are arranged on the electrode seat; the power-supply conductive terminal comprises a first electrode and a second electrode; the first electrode and the second electrode are respectively installed in the two through holes, one end respectively extends out the two through holes, and the other end is positioned in the through holes; and the base plate is detachably and electrically connected with one end of the power-supply conductive terminal positioned in the through holes through the LED conductive terminals. As the base plate for packaging an LED lamp bead is detachably connected with the power supply, the LED down lamp simplifies product structure and assembly process and obviously improves process efficiency. Moreover, the power-supply conductive terminal is electrically connected with the LED conductive terminals, and meanwhile the electrode seat is fixedly connected with the base plate, so the traditional assembly process is further simplified.

Description

A kind of LED Down lamp

Technical field

The utility model relates to the LED field, relates in particular to a kind of LED Down lamp.

Background technology

Great majority are used for the LED Down lamp of indoor and outdoor lighting or decoration in assembling process, at first LED lamp pearl is installed on the substrate, again with the positive and negative polarities terminal of power supply respectively by the positive and negative polarities of wire bonds at substrate, then lead is passed radiator and substrate is spirally connected and be fixed on the radiator; Perhaps when having in the LED Down lamp when realizing power supply module that voltage stabilizing handles, need at first positive and negative polarities with the power supply module by the positive and negative polarities of wire bonds at substrate, substrate is spirally connected is fixed on the radiator again.

Above LED Down lamp employing welding procedure realization substrate is electrically connected with power supply terminal or power supply module, and not only technical process is loaded down with trivial details, inefficiency, and make very complexity of cylinder lamp structure, broken parts part in assembling or use easily.

The utility model content

The main technical problems to be solved in the utility model is, a kind of simple in structure and LED Down lamp of being convenient to assemble is provided.

For solving the problems of the technologies described above, the utility model provides a kind of LED Down lamp, comprise substrate, electrode take advantage of the seat and the power supply conductivity terminal that is used to be connected power supply, also comprise two LED conducting terminals, described electrode is taken advantage of has two through holes on the seat, described power supply conductivity terminal comprises first electrode and second electrode, and described first electrode and second electrode are installed on two described through holes respectively, and an end stretches out two described through holes respectively, and the other end is positioned at described through hole; Described substrate detachably electrically connects by the end that described LED conducting terminal and described power supply conductivity terminal are positioned at through hole.

Preferably, fixing conduction nut in the described through hole, described LED conducting terminal is conduction screw or conducting bolt, and an end of described conduction nut and described first electrode or second electrode are spirally connected, and the other end and described LED conducting terminal are spirally connected.

Further, have the fixing hole of two perforations on the described substrate, described conduction screw passes described fixing hole and described substrate is fixed on described electrode takes advantage of on the seat.

Preferably described electrode takes advantage of seat, conduction nut and power supply conductivity terminal to be formed in one.

Further, also comprise radiator, described radiator muff-joint is in the periphery that described electrode is taken advantage of seat, and described substrate is fixed on the end of described radiator.

Preferably, described electrode takes advantage of the outer surface of seat also to be provided with radially outwards outstanding flange, and described radiator is stuck between described flange and the described substrate.

Described substrate is fixed on the end of described radiator by screw.

The outer surface of described radiator is provided with the radiating fin of many parallel distributions.

Also comprise reflection shield and transparent glass sheet, an end of described reflection shield is fixedlyed connected with described radiator, and the other end is installed described transparent glass sheet, and described LED lamp pearl is contained in the inside of described reflection shield.

Described power supply conductivity terminal is the conductive electrode of MR16 joint standard.

The beneficial effects of the utility model are: LED Down lamp of the present utility model makes between the substrate of packaged LED lamp pearl and the power supply and removably connects, for example be spirally connected by the conduction nut between power supply conductivity terminal and the LED conducting terminal, compare with the mode of utilizing wire bonds to link to each other in the prior art, product structure and assembly technology have been simplified, soldering appliance and wldings such as electric iron, solder lamp have been saved, and greatly reduced installation time, significantly improved process efficiency.

And the utility model is when realizing the power supply conductivity terminal and the LED conducting terminal is electrically connected, realized that electrode takes advantage of seat and the fixedlying connected of substrate, therefore further simplified traditional assembly technology, the whole LED Down lamp is dismantled easily, be convenient to pull down at any time parts such as substrate and repair or replace.

Description of drawings

Fig. 1 is the LED Down lamp stereogram of a kind of embodiment of the utility model;

Fig. 2 is the stereogram at another visual angle of LED Down lamp of a kind of embodiment of the utility model;

Fig. 3 is the LED Down lamp left view of a kind of embodiment of the utility model;

Fig. 4 is the LED Down lamp front view of a kind of embodiment of the utility model;

Fig. 5 is the cutaway view of the LED Down lamp of a kind of embodiment of the utility model along the B-B direction;

Fig. 6 is the substrate of a kind of embodiment of the utility model and the stereogram of radiator assembling;

Fig. 7 is the assembling explosive view of the LED Down lamp of a kind of embodiment of the utility model.

The specific embodiment

In conjunction with the accompanying drawings the utility model is described in further detail below by the specific embodiment.

Shown in Fig. 1 to 6, the LED Down lamp of present embodiment comprises that substrate 10, radiator 6, power supply conductivity terminal 1, electrode take advantage of seat 3 and LED conducting terminal 2, power supply conductivity terminal 1 is connected with the power drives module of external power source or LED Down lamp inside, electrode takes advantage of seat 3 to be used for the Power Support conducting terminal, and the periphery that radiator 6 is fixed on substrate 10 is used for realizing heat radiation.

The one side that substrate 10 is used for bright dipping encapsulates at least one LED lamp pearl 9, and substrate 10 removably connects and conducting by LED conducting terminal 2 and power supply conductivity terminal 1.Particularly, LED conducting terminal 2 has two, connects the both positive and negative polarity of substrate 10 respectively; Power supply conductivity terminal 1 also has two, comprises first electrode and second electrode, connects the both positive and negative polarity of power supply respectively, for example can select the conductive electrode of MR16 joint standard for use.Electrode is taken advantage of has two through holes that connect the upper and lower end face on the seat 3, first electrode and second electrode are installed on respectively on these two through holes, and an end wherein stretches out through hole respectively, the other end is stayed through hole inside, and two LED conducting terminals 2 are stayed a end in the through hole with first electrode and second electrode respectively and removably connected and electrically connect.Further, all fix conduction nut 4 in two through holes, two LED conducting terminals 2 all are conduction screw or conducting bolt, the outside wall surface that first electrode and second electrode are stayed the end in the through hole all is provided with screw thread, one end of conduction nut 4 and first electrode or second electrode are spirally connected, and the other end and LED conducting terminal 2 are spirally connected.The fixing hole that also has two perforations on the substrate 10, two the conduction screw pass respectively two fixing holes with substrate 10 be fixed on electrode take advantage of the seat 3 on, when making substrate 10 realize being electrically connected with power supply conductivity terminal 1, electrode takes advantage of seat 3 also to realize fixedlying connected with substrate 2, do not need to adopt in addition screw that substrate is fixed on electrode and take advantage of on the seat 3, therefore further simplified assembly technology.

Preferably, present embodiment takes advantage of seat 3 to select plastic material for use at electrode, at first will conduct electricity in the manufacturing process nut 4 and power supply conductivity terminal 1 be spirally connected the assembling after, utilize the inserts Shooting Technique to make electrode take advantage of seat 3, conduction nut 4 and power supply conductivity terminal 1 to combine again, promptly form electrode and take advantage of seat 3, conduction nut 4 and power supply conductivity terminal 2 integrated mouldings.This assembly technology has been simplified technology on the one hand, makes power supply conductivity terminal 1 and conduction nut 4 and electrode take advantage of seat 3 to form firm being connected on the other hand.Certainly, also can after taking advantage of seat 3 one connecting shapings with electrode, nut 4 be spirally connected with power supply conductivity terminal 1 again conducting electricity.

The radiator 6 of present embodiment is enclosed within the periphery that electrode is taken advantage of seat 3.Radiator 6 is identical cylindric of both ends open size, material and shape can be decided according to concrete needs, for example adopt thermal diffusivity metal such as aluminum or aluminum alloy preferably, its outer surface extends the radiating fin of many parallel distributions, for example the bearing of trend of radiating fin is consistent with the axis direction of cylinder, makes the radiator 6 whole heronsbill shapes that form.Because radiating fin directly exposes in LED Down lamp outside, utilize the heat that hot-air rises, the heat exchange principle increase led chip of cold air decline produces when luminous to distribute, improve heat conduction velocity, light efficiency and the service life that not only can improve led chip, and also profile is very attractive in appearance.In the present embodiment, electrode takes advantage of the outer surface of seat 3 also to be provided with radially outwards outstanding flange, making electrode take advantage of seat 3 to pass radiator 6 and radiator 6 is stuck between flange and the substrate 10 and form tight fit, avoids coming off in the end that substrate 10 also utilizes screw to be spirally connected and is fixed on radiator 6.Electrode is taken advantage of a seat end of 3 to expose two power supply conductivity terminals 1 to be convenient to connect corresponding power interface, and the other end is fixedlyed connected with substrate 10.

The LED Down lamp of present embodiment also comprises reflection shield 11 and transparent glass sheet 14 etc., and an end of reflection shield 11 is fixedlyed connected with radiator 6, and the other end is installed transparent glass sheet 14, and LED lamp pearl 9 is contained in the inside of reflection shield 11.Particularly, reflection shield 11 is the cylinder of enlarging shape, and the less end of its opening is fixedlyed connected with radiator 6, and the end that opening is bigger is installed the transparent glass sheet 14 of disk shape, and the shape of reflection shield 11 and transparent glass sheet 14 all can be provided with according to actual needs.For the ease of installing, the end outside that the opening of reflection shield 11 is bigger is with load-carrying ring 12, the rear end of this load-carrying ring 12 is enclosed within on the reflection shield 11, front end tightly is enclosed within the edge part of transparent glass sheet 14, also sets the sheet glass retainer ring 13 that is used for fixing transparent glass sheet 14 between load-carrying ring 12 and the transparent glass sheet 14.After the LED Down lamp of present embodiment increased reflection shield 11 and transparent glass sheet 14, effectively collected light made the LED Down lamp have higher brightness at light direction.

Substrate 10 surfaces encapsulate a plurality of LED lamp pearls 9 by technologies such as SMD, COM arrays, and each LED lamp pearl 9 comprises a led chip.Substrate 10 is a circular slab, material is selected aluminium, copper, the silicon of good heat dispersion performance for use, the perhaps pottery of relative low price, high heat-conducting plastic etc., also have two electrode terminal pads 15 that are used to connect power positive cathode on the substrate 10, be provided with fixing hole in the electrode terminal pad 15, be spirally connected and be electrically connected with conduction nut 4 with power supply conductivity terminal 1 thereby LED conducting terminal 2 can pass this fixing hole.Also have a plurality of screws 16 on the substrate 10, the end of radiator 6 also has in the screw of these screw 16 correspondences, and screw can pass these screws and substrate 10 is spirally connected is fixed on the end of radiator 6.

As shown in Figure 7, the assembling process of the LED Down lamp of present embodiment is as follows:

(1) end with the power supply conductivity terminal 1 of MR16 joint spacing is spirally connected with conduction nut 4.

(2) part with the combination that is spirally connected in the step (1) utilizes the inserts Shooting Technique to take advantage of seat 3 injection mo(u)ldings with electrode, is combined into electrode assemblie.

(3) electrode assemblie is packed in the radiator 6.

(4) substrate 10 with packaged LED lamp pearl 9 utilizes screw fixings at radiator 6 one ends.

(5) two LED conductive electrodes 2 being passed two fixing holes of substrate 10 and the nut 4 that conducts electricity is spirally connected.

(6) reflection shield 11 openings are a bigger end is inlaid in the load-carrying ring 12.

(7) transparent glass sheet 14 and glass ring retainer ring 13 are inlaid in the load-carrying ring 12.

(8) volume one end and radiator 6 threaded that reflection shield 11 openings are less.

LED Down lamp of the present utility model makes between power supply conductivity terminal 1 and the LED conducting terminal 2 and removably connects, and for example is spirally connected by conduction nut 4 between power supply conductivity terminal 1 and the LED conducting terminal 2, and is simple in structure, easy to assembly.Compare with the mode of utilizing wire bonds to link to each other in the prior art, the utility model has been simplified product structure and assembly technology, has saved soldering appliance and wldings such as electric iron, solder lamp, and has greatly reduced installation time, has significantly improved process efficiency.And the utility model is when realizing power supply conductivity terminal 1 and LED conducting terminal 2 is electrically connected, the two is fixed together, therefore further simplified traditional assembly technology, the whole LED Down lamp is dismantled easily, be convenient to pull down at any time substrate 10 parts such as grade and keep in repair.

The utility model LED Down lamp can be widely used in fields such as illumination, decoration, and the shape of radiator 6 and radiating fin can become multiple personalized shape according to concrete needs flexible design.

Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims

1. LED Down lamp, comprise substrate, electrode take advantage of the seat and the power supply conductivity terminal that is used to be connected power supply, it is characterized in that, also comprise two LED conducting terminals, described electrode is taken advantage of has two through holes on the seat, described power supply conductivity terminal comprises first electrode and second electrode, and described first electrode and second electrode are installed on respectively in two described through holes, and an end stretches out two described through holes respectively, and the other end is positioned at described through hole; Described substrate detachably electrically connects by the end that described LED conducting terminal and described power supply conductivity terminal are positioned at through hole.

2. LED Down lamp as claimed in claim 1, it is characterized in that, fixing conduction nut in the described through hole, described LED conducting terminal is conduction screw or conducting bolt, one end of described conduction nut and described first electrode or second electrode are spirally connected, and the other end and described LED conducting terminal are spirally connected.

3. LED Down lamp as claimed in claim 2 is characterized in that, has the fixing hole of two perforations on the described substrate, and described conduction screw passes described fixing hole and described substrate is fixed on described electrode takes advantage of on the seat.

4. LED Down lamp as claimed in claim 2 is characterized in that, described electrode takes advantage of seat, conduction nut and power supply conductivity terminal one-body molded.

5. as each described LED tube tool in the claim 1 to 4, it is characterized in that also comprise being enclosed within the radiator that described electrode is taken advantage of the periphery of seat, described substrate is fixed on the end of described radiator.

6. LED Down lamp as claimed in claim 5 is characterized in that, described electrode takes advantage of the outer surface of seat also to be provided with radially outwards outstanding flange, and described radiator is stuck between described flange and the described substrate.

7. LED Down lamp as claimed in claim 5 is characterized in that, described substrate is fixed on the end of described radiator by screw.

8. LED Down lamp as claimed in claim 5 is characterized in that, the outer surface of described radiator is provided with the radiating fin of many parallel distributions.

9. LED Down lamp as claimed in claim 5, it is characterized in that also comprise reflection shield and transparent glass sheet, an end of described reflection shield is fixedlyed connected with described radiator, the other end is installed described transparent glass sheet, and described LED lamp pearl is contained in the inside of described reflection shield.

10. as each described LED Down lamp in the claim 1 to 4, it is characterized in that described power supply conductivity terminal is the conductive electrode of MR16 joint standard.