CN209675326U - A kind of LED lamp bead that stability is good - Google Patents

Abstract

The utility model discloses a kind of LED lamp bead that stability is good, including packaging body, pedestal, LED chip, the packaging body is located at pedestal upper end, the pedestal upper end is equipped with anode carrier, cathode anchor, the cathode anchor upper end is equipped with groove, LED chip is provided in the groove, the anode carrier upper end is equipped with connecting line, the connecting line right end is connect with LED chip, the anode rod, locating piece is equipped in the middle part of cathode rod, locating piece upper end two sides are equipped with radiating fin, the cathode anchor, refracted slot is equipped at the top of anode carrier, the anode carrier, cathode anchor upper end is equipped with first refractive slot inclined plate and the second refracted slot inclined plate, the anode carrier, heat dissipating layer is equipped between cathode anchor and pedestal, the heat dissipating layer upper end is equipped with insulating layer.The utility model has many advantages, such as that thermal diffusivity is good, stability is good, improves luminous quantity.

Description

A kind of LED lamp bead that stability is good

Technical field

The utility model relates to diode technologies field, the good LED lamp bead of specially a kind of stability.

Background technique

With the rapid development of science and technology, LED lamp bead is as lighting source of new generation, with small in size, colour rendering is good, energy saving Efficiently with environmentally protective equal many advantages, gradually replace conventional light source.LED lamp bead is in automobile interior exterior light, display at present The fields such as device backlight, projector light source, advertising lamp box, torch are all widely used.It is generated in the existing LED lamp bead course of work Heat causes internal temperature to increase, and influences the luminous intensity of LED chip, keeps lamp bead stability of photoluminescence poor, while existing LED light Though pearl, which has, changes photochromic effect, because fluorescence coating is too near to LED chip, fluorescence coating is caused to subtract its efficiency because heated It is weak, and then influence the service life and photochromic change efficiency of LED lamp bead.

Utility model content

The purpose of this utility model is just providing a kind of LED lamp bead that stability is good to solve the problem above-mentioned.

The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of LED lamp bead that stability is good, including envelope Body, pedestal, LED chip are filled, the packaging body is located at pedestal upper end, it is characterized in that: the pedestal upper end is equipped with anode carrier, yin Pole bracket, the cathode anchor upper end are equipped with groove, are provided with LED chip in the groove, the anode carrier upper end is equipped with Connecting line, the connecting line right end are connect with LED chip, and the cathode anchor bottom is connected with cathode rod, the anode carrier Bottom is connected with anode rod, and the anode rod, cathode rod are pierced by pedestal, are equipped with locating piece, institute in the middle part of the anode rod, cathode rod It states locating piece upper end two sides and is equipped with radiating fin, the packaging body includes low-refraction monomer film layer, the low-refraction list It is equipped with fluorescence coating on the outside of body film layer, is equipped with high refractive index monomers film layer, the high refractive index monomers film layer on the outside of the fluorescence coating Outside be equipped with wearing layer, the cathode anchor is equipped with refracted slot, the anode carrier, cathode anchor at the top of anode carrier Upper end is equipped with first refractive slot inclined plate and the second refracted slot inclined plate, and the first refractive slot inclined plate and the second refracted slot inclined plate connect It connects, heat dissipating layer is equipped between the anode carrier, cathode anchor and pedestal, the heat dissipating layer upper end is equipped with insulating layer.

Preferably, the radiating fin and cathode rod, anode rod setting at an acute angle, radiating fin described in two sides successively interlock It is tilted towards outer arrangement, there is gap between the two neighboring radiating fin.

Preferably, the low-refraction monomer film layer is methyl class layer of silica gel, and the high refractive index monomers film layer is phenyl Class layer of silica gel, the fluorescence coating is interior to be filled with fluorescent powder.

Preferably, the fluorescence coating, low-refraction monomer film layer, high refractive index monomers film layer, wearing layer pass through binder Connection.

Preferably, the first refractive slot inclined plate, the second refracted slot inclined plate are in symmetrically to be obliquely installed, the first refractive slot Inclined plate, the second refracted slot inclined plate are all made of transparent glass material.

Preferably, the wearing layer is aramid layer.

Preferably, high thermal conductive metallic piece is equipped in the heat dissipating layer, the insulating layer is electro-insulating rubber layer.

Preferably, epoxy resin is filled in the packaging body.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model increases the lateral flow of air by setting radiating fin, improves radiating efficiency, in heat dissipating layer Equipped with high thermal conductive metallic piece, have many advantages, such as that heat-conductive characteristic is good, thermal resistance is small, the heat in time generating LED chip conducts It goes out, prevents LED chip from generating light decay since temperature is excessively high, extend the service life of LED lamp bead, improve lamp bead stable luminescence Property.

2, the utility model is located at low-refraction monomer film layer and high refractive index monomers film by setting fluorescence coating, fluorescence coating Between layer, it is filled with fluorescent powder in fluorescence coating, LED chip farther out, therefore can avoid the light source heat of LED chip at a distance from fluorescence coating The service life and effect that degree influences fluorescence coating promote fluorescence coating so that LED lamp bead can change photochromic, stabilized illumination Service life increases whole practicability.

3, the utility model solves LED chip by setting low-refraction monomer film layer and high refractive index monomers film layer Between air the problem of refringence, reduce the loss amount of full transmitting, allows more light through outside packaging body directive, mention High LED lamp bead light emission luminance.

4, for the utility model by setting wearing layer, wearing layer is aramid layer, has rub resistance, heat-resisting, insulation etc. excellent Point, protection LED lamp bead is not damaged, improves LED lamp bead service life.

5, the utility model, can be by all directions by setting refracted slot, first refractive slot inclined plate, the second refracted slot inclined plate Light uniformly launch after superrefraction, improve luminous quantity.

Detailed description of the invention

Fig. 1 is a kind of positive structure schematic of the good LED lamp bead of stability of the utility model；

Fig. 2 is a kind of schematic diagram of internal structure of the good LED lamp bead of stability of the utility model.

Appended drawing reference: 1, packaging body；2, groove；3, anode carrier；4, pedestal；5, anode rod；6, connecting line；7, LED core Piece；8, cathode anchor；9, locating piece；10, cathode rod；11, wearing layer；12, high refractive index monomers film layer；13, fluorescence coating；14, Low-refraction monomer film layer；15, insulating layer；16, radiating fin；17, first refractive slot inclined plate；18, the second refracted slot inclined plate； 19, refracted slot；20, heat dissipating layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, 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 embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to shown in Fig. 1, Fig. 2, a kind of LED lamp bead that stability is good, including packaging body 1, pedestal 4, LED chip 7, seals It filling and is filled with epoxy resin in body 1, packaging body 1 is located at 4 upper end of pedestal, and 4 upper end of pedestal is equipped with anode carrier 3, cathode anchor 8, 8 upper end of cathode anchor is equipped with groove 2, and LED chip 7 is provided in groove 2, and 3 upper end of anode carrier is equipped with connecting line 6, connecting line 6 Right end is connect with LED chip 7, and 8 bottom of cathode anchor is connected with cathode rod 10, and 3 bottom of anode carrier is connected with anode rod 5, sun Pole bar 5, cathode rod 10 are pierced by pedestal 4, are equipped with locating piece 9 in the middle part of anode rod 5, cathode rod 10,9 upper end two sides of locating piece are equipped with Radiating fin 16, radiating fin 16 and cathode rod 10, the setting at an acute angle of anode rod 5, the successively alternating inclinations of two sides radiating fin 16 It arranges outward, there is gap between two neighboring radiating fin 16, increase the lateral flow of air, improve radiating efficiency, prevent 7 temperature of LED chip is excessively high, improves lamp bead stability of photoluminescence.

Packaging body 1 includes low-refraction monomer film layer 14, and low-refraction monomer film layer 14 is methyl class layer of silica gel, low refraction It is equipped with fluorescence coating 13 on the outside of rate monomer film layer 14, fluorescent powder is filled in fluorescence coating 13, is equipped with high refractive index on the outside of fluorescence coating 13 Monomer film layer 12, high refractive index monomers film layer 12 are phenyl class layer of silica gel, and the outside of high refractive index monomers film layer 12 is equipped with wear-resisting Layer 11, wearing layer 11 are aramid layer, fluorescence coating 13, low-refraction monomer film layer 14, high refractive index monomers film layer 12, wearing layer 11 are connected by binder.

Through the above technical solution:

Packaging body 1 includes low-refraction monomer film layer 14, and low-refraction monomer film layer 14 is methyl class layer of silica gel, has energy The features such as power is strong, elasticity is high, good reliability, can buffer most of stress to LED chip 7, to improve LED lamp bead Reliability and service life are equipped with fluorescence coating 13 on the outside of low-refraction monomer film layer 14, are filled with fluorescent powder in fluorescence coating 13, LED chip 7 at a distance from fluorescence coating 13 farther out, therefore can avoid LED chip 7 light source temperature influence fluorescence coating 13 use the longevity Life and effect promote the service life of fluorescence coating 13, increase whole reality so that LED lamp bead can change photochromic, stabilized illumination With property, high refractive index monomers film layer 12 is equipped on the outside of fluorescence coating 13, high refractive index monomers film layer 12 is phenyl class layer of silica gel, is had The advantages such as hardness is high, rate of perviousness is low, can play a very good protection to the internal structure of LED lamp bead, further increase LED The stability of lamp bead, low-refraction monomer film layer 14 and high refractive index monomers film layer 12 reduce between LED chip 7 and air Refringence reduces the loss amount of full transmitting, allows more light through outside 1 directive of packaging body, it is luminous to improve LED lamp bead Brightness, the outside of high refractive index monomers film layer 12 are equipped with wearing layer 11, and wearing layer 11 is aramid layer, have rub resistance, it is heat-resisting, The advantages that insulation, protection LED lamp bead is not damaged, improves LED lamp bead service life.

Refracted slot 19 is equipped at the top of cathode anchor 8, anode carrier 3, anode carrier 3,8 upper end of cathode anchor are equipped with first Refracted slot inclined plate 17 and the second refracted slot inclined plate 18, first refractive slot inclined plate 17 are connect with the second refracted slot inclined plate 18, the first folding Slot inclined plate 17, the second refracted slot inclined plate 18 are penetrated in being symmetrically obliquely installed, first refractive slot inclined plate 17, the second refracted slot inclined plate 18 are Using transparent glass material, the light of all directions can uniformly be launched after superrefraction, improve luminous quantity.

It is equipped with heat dissipating layer 20 between anode carrier 3, cathode anchor 8 and pedestal 4, is equipped with high thermal conductive metallic in heat dissipating layer 20 Piece has many advantages, such as that heat-conductive characteristic is good, thermal resistance is small, in time conducts the heat that LED chip 7 generates, prevent LED chip 7 generate light decay since temperature is excessively high, extend the service life of LED lamp bead, improve lamp bead stability of photoluminescence, 20 upper end of heat dissipating layer Equipped with insulating layer 15, insulating layer 15 is electro-insulating rubber layer, prevents electric leakage, protection operator's safety.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (8)

1. a kind of good LED lamp bead of stability, including packaging body (1), pedestal (4), LED chip (7), packaging body (1) position In pedestal (4) upper end, it is characterized in that: the pedestal (4) upper end is equipped with anode carrier (3), cathode anchor (8), the cathode branch Frame (8) upper end is equipped with groove (2), is provided with LED chip (7) in the groove (2), and anode carrier (3) upper end, which is equipped with, to be connected Wiring (6), connecting line (6) right end are connect with LED chip (7), and cathode anchor (8) bottom is connected with cathode rod (10), anode carrier (3) bottom is connected with anode rod (5), and the anode rod (5), cathode rod (10) are pierced by pedestal (4), Locating piece (9) are equipped in the middle part of the anode rod (5), cathode rod (10), locating piece (9) the upper end two sides are equipped with radiating fin (16), the packaging body (1) includes low-refraction monomer film layer (14), is equipped on the outside of the low-refraction monomer film layer (14) glimmering Photosphere (13), fluorescence coating (13) outside are equipped with high refractive index monomers film layer (12), the high refractive index monomers film layer (12) Outside be equipped with wearing layer (11), the cathode anchor (8) is equipped with refracted slot (19), the anode at the top of anode carrier (3) Bracket (3), cathode anchor (8) upper end are equipped with first refractive slot inclined plate (17) and the second refracted slot inclined plate (18), first folding It penetrates slot inclined plate (17) to connect with the second refracted slot inclined plate (18), between the anode carrier (3), cathode anchor (8) and pedestal (4) Equipped with heat dissipating layer (20), heat dissipating layer (20) upper end is equipped with insulating layer (15).

2. a kind of good LED lamp bead of stability according to claim 1, it is characterised in that: the radiating fin (16) with Cathode rod (10), anode rod (5) setting at an acute angle, successively alternating inclinations arrange radiating fin (16) described in two sides outward, adjacent There is gap between two radiating fins (16).

3. a kind of good LED lamp bead of stability according to claim 1, it is characterised in that: the low-refraction monomer film Layer (14) is methyl class layer of silica gel, and the high refractive index monomers film layer (12) is phenyl class layer of silica gel, and the fluorescence coating (13) is interior Filled with fluorescent powder.

4. a kind of good LED lamp bead of stability according to claim 3, it is characterised in that: the fluorescence coating (13), low folding Rate monomer film layer (14), high refractive index monomers film layer (12), wearing layer (11) is penetrated to connect by binder.

5. a kind of good LED lamp bead of stability according to claim 1, it is characterised in that: the first refractive slot inclined plate (17), the second refracted slot inclined plate (18) is in and is symmetrically obliquely installed, the first refractive slot inclined plate (17), the second refracted slot inclined plate (18) it is all made of transparent glass material.

6. a kind of good LED lamp bead of stability according to claim 1, it is characterised in that: the wearing layer (11) is poly- Amide layer.

7. a kind of good LED lamp bead of stability according to claim 1, it is characterised in that: set in the heat dissipating layer (20) There is high thermal conductive metallic piece, the insulating layer (15) is electro-insulating rubber layer.

8. a kind of good LED lamp bead of stability according to claim 1, it is characterised in that: filling in the packaging body (1) There is epoxy resin.