CN207381432U

CN207381432U - Led lamp bead

Info

Publication number: CN207381432U
Application number: CN201721343916.2U
Authority: CN
Inventors: 蒋玉怀; 陈澄
Original assignee: Hubei Balid Science And Technology Co Ltd
Current assignee: Hubei Balid Science And Technology Co Ltd
Priority date: 2017-10-11
Filing date: 2017-10-11
Publication date: 2018-05-18
Anticipated expiration: 2027-10-11

Abstract

The utility model is related to a kind of LED lamp beads, including setting lamp holder, diffuser and LED chip, lamp holder both sides are plugged with the anode pin and negative pin being connected with LED chip respectively, lamp holder is embedded with heating column, the fixing groove for placing LED chip is equipped at the top of heating column, stent is equipped with below heating column, LED chip is electrically connected by lead with anode pin and negative pin；The convex lens convex surface facing LED chip is equipped at the top of diffuser, diffuser inner wall is equipped with reflector layer close to a circle of lamp holder, heat conducting sleeve is equipped on the outside of diffuser, and heat conducting sleeve is fixed with thermally conductive sheet backwards to a side surface of diffuser, and insulating layer is equipped between heat conducting sleeve and lamp holder.The LED lamp bead of the utility model achievees the effect that raising light luminance by reflector layer and convex lens, and light extraction efficiency is high, increases heat dissipation area by heat conducting sleeve and heating column, improves radiating efficiency, ensures the service life and quality of LED lamp bead.

Description

LED lamp bead

Technical field

The utility model is related to field of semiconductor illumination more particularly to a kind of LED lamp beads.

Background technology

LED lamp bead, that is, light emitting diode, the visible ray sent have power saving, luminous flux height, longevity compared with conventional light source The characteristics of long is ordered, with to further investigation of the light emitting diode as visible light source, traditional incandescent lamp and energy saving is replaced with it Lamp has become the technology for making great efforts exploitation now.

Due to the limitation of current semiconductor light-emitting-diode wafer technologies, the photoelectric conversion efficiency of LED need to be improved, hair The light of light is more scattered, and brightness is not high, and for LED because its power is higher, about more than 60% electric energy will become thermal energy release. With the development of semiconductor technology, photoelectric conversion efficiency is gradually stepping up, while to the heat dissipation job requirement of application LED product Higher cannot such as radiate in time, and it will cause light efficiencies to decline even dead lamp.

It is therefore desirable to design a kind of LED lamp bead, to overcome the above problem.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art, provide a kind of good heat dissipation effect, light extraction efficiency High LED lamp bead.

The utility model is realized in this way：

The utility model provides a kind of LED lamp bead, including setting lamp holder, diffuser and LED chip, is set above lamp holder saturating Light shield, both sides are plugged with the anode pin and negative pin being connected with LED chip respectively, and lamp holder is embedded with heating column, heating column Top is equipped with the fixing groove for placing LED chip, and heating column lower section is equipped with stent, and LED chip is by lead and anode pin and bears Pole pin electrical connection；The convex lens convex surface facing LED chip is equipped at the top of diffuser, diffuser inner wall is set close to a circle of lamp holder Have a reflector layer, be equipped with heat conducting sleeve on the outside of diffuser, heat conducting sleeve is fixed with thermally conductive sheet backwards to a side surface of diffuser, heat conducting sleeve with Insulating layer is equipped between lamp holder.

Further, sealing ring is equipped in the groove of lamp holder insertion heating column, sealing ring is set on heating column.

Further, rack surface is equipped with screw thread.

Further, anode pin or negative pin are equipped with protrusion.

Further, protection chip is equipped with below LED chip.

Further, LED chip is at least one, convex surface facing the convex of LED chip there are one settings at the top of each LED chip Lens.

The utility model has the advantages that：

The LED lamp bead of the utility model achievees the effect that improve light luminance, light extraction efficiency by reflector layer and convex lens Height increases heat dissipation area by heat conducting sleeve and heating column, improves radiating efficiency, ensures the service life and quality of LED lamp bead.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the structure diagram of LED lamp bead provided by the utility model.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

Such as Fig. 1, the LED lamp bead of the utility model, including setting lamp holder 1, diffuser 2 and LED chip 3.

1 top of lamp holder sets diffuser 2, and both sides are plugged with the anode pin 11 being connected with LED chip 3 respectively and cathode draws Foot 12, lamp holder 1 are embedded with heating column 4, and 4 top of heating column is equipped with the fixing groove 41 for placing LED chip 3, and 4 lower section of heating column is equipped with Stent 5,5 surface of stent are equipped with screw thread, are connected using stent 5 and radiator installation, in order to which heat to be transferred to rapidly to heat dissipation In device.LED chip 3 is electrically connected by lead 31 with anode pin 11 and negative pin 12.

2 top of diffuser is equipped with the convex lens 6 convex surface facing LED chip 3, and convex lens 6 is planoconvex spotlight, according to different Light emitting angle demand can select different types of convex lens 6, and light is gathered.2 inner wall of diffuser is close to the one of lamp holder 1 Circle is equipped with reflector layer, and the light sent using reflector layer to LED chip 3 plays the role of reflection, to reach raising light luminance Effect.

2 outside of diffuser is equipped with heat conducting sleeve 7, and heat conducting sleeve 7 is fitted in 2 outer surface of diffuser, preferably to absorb diffuser 2 The heat distributed.In order to increase heat dissipation area, heat conducting sleeve 7 is fixed with thermally conductive sheet 71 backwards to a side surface of diffuser 2.Heat conducting sleeve Insulating layer 72 is equipped between 7 and lamp holder 1, prevents short circuit.

Lamp holder 1, which is embedded in the groove of heating column 4, is equipped with sealing ring 13, and sealing ring 13 is set on heating column 4, to strengthen lamp Leakproofness between seat 1 and heating column 4.

Protrusion can be set on anode pin 11 or negative pin 12, in order to effectively distinguish anode pin 11 and negative pin 12.Wherein, negative pin 12 is equipped with protrusion 14.

3 lower section of LED chip is equipped with protection chip 32, using chip 32 is protected to protect LED chip 3, extends and uses Service life.Wherein, LED chip 3 is at least one, and there are one the convex lenses convex surface facing LED chip 3 for each 3 top setting of LED chip 6, to meet different applications.

1 outside of lamp holder can also set a circle cooling fin, further increase heat dissipation area, improve radiating efficiency.

In conclusion the LED lamp bead of the utility model achievees the effect that improve light luminance by reflector layer and convex lens, Light extraction efficiency is high, increases heat dissipation area by heat conducting sleeve and heating column, improves radiating efficiency, ensures the service life of LED lamp bead And quality.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model Protection domain within.

Claims

1. a kind of LED lamp bead, which is characterized in that including setting lamp holder, diffuser and LED chip, institute is set above the lamp holder Diffuser is stated, both sides are plugged with the anode pin and negative pin being connected with the LED chip respectively, and the lamp holder, which is embedded with, leads Plume, the heating column top are equipped with the fixing groove for placing the LED chip, stent, the LED are equipped with below the heating column Chip is electrically connected by lead with the anode pin and the negative pin；

The convex lens convex surface facing the LED chip is equipped at the top of the diffuser, the diffuser inner wall is close to the lamp holder A circle be equipped with reflector layer, be equipped with heat conducting sleeve on the outside of the diffuser, the heat conducting sleeve is backwards to a side surface of the diffuser Thermally conductive sheet is fixed with, insulating layer is equipped between the heat conducting sleeve and the lamp holder.

2. LED lamp bead as described in claim 1, it is characterised in that：The lamp holder is embedded in the groove of the heating column and is equipped with Sealing ring, the sealing ring are set on the heating column.

3. LED lamp bead as described in claim 1, it is characterised in that：The rack surface is equipped with screw thread.

4. LED lamp bead as described in claim 1, it is characterised in that：The anode pin or the negative pin are equipped with convex It rises.

5. LED lamp bead as described in claim 1, it is characterised in that：Protection chip is equipped with below the LED chip.

6. LED lamp bead as described in claim 1, it is characterised in that：The LED chip is at least one, each LED chip There are one the convex lenses convex surface facing the LED chip for top setting.