CN211828823U

CN211828823U - Novel LED support

Info

Publication number: CN211828823U
Application number: CN202020897561.7U
Authority: CN
Inventors: 钟志杰
Original assignee: Jingzhou Hongsheng Optoelectronics Technology Co ltd
Current assignee: Jingzhou Hongsheng Optoelectronics Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-10-30
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to the technical field of LED manufacturing, and discloses a novel LED bracket, which comprises a metal bracket, an injection molding supporting seat and a wafer fixed on the supporting seat, wherein a cup-shaped accommodating cavity, a crystal fixing groove arranged at the bottom of the accommodating cavity and a waterproof cup embedded into the accommodating cavity are arranged in the supporting seat, a crystal fixing hole is arranged at the bottom of the waterproof cup, and the wafer is bonded in the crystal fixing hole through viscose; a gold wire and a wire hole for the gold wire to pass through are also inserted at the bottom of the waterproof cup, a wire connecting groove is arranged at the bottom of the accommodating cavity, and the gold wire passes through the wire hole and is welded with a metal bracket in the wire connecting groove; the top of the waterproof cup is detachably connected with a lampshade. The utility model has the advantages of it is following and effect: the glue fills the die bonding groove and the die bonding hole, and the glue is solidified to form a connecting piece with an I-shaped cross section, so that water vapor can be prevented from entering the waterproof cup, and the wafer can be firmly connected to the metal support at the bottom of the die bonding groove, so that the wafer is not easy to fall off.

Description

Novel LED support

Technical Field

The utility model relates to a technical field is made to LED, in particular to novel LED support.

Background

The LED support is the important material of LED lamp pearl as the substrate of lamp pearl, is the LED chip carrier, and the support is being born the effect of heat dissipation and electric conduction, and LED's support is because need electrically conductive and heat conduction, so can use the metal as the substrate, simultaneously, and some regions need do insulating treatment, and this just needs to use engineering plastics, so general LED support is through the metal punching moulding plastics formation again. Because the engineering plastic is easy to generate water molecules at the temperature of 250-260 ℃, and the engineering plastic and the metal belong to two materials, the joint of the two materials cannot be completely sealed, water molecules can enter the LED lamp bead, so that the wafer is affected with damp, the wafer falls off or is short-circuited, and the lamp is dead, and the LED lamp is one of important factors influencing the service life of the LED lamp.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel LED support, it is good to have the leakproofness, is convenient for install, extension LED lamp life's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the wafer fixing device comprises a metal support, a supporting seat and a wafer, wherein the supporting seat is formed by injection molding on the metal support, the wafer is fixed on the supporting seat, a cup-shaped accommodating cavity, a wafer fixing groove and a waterproof cup are arranged in the accommodating cavity, the wafer fixing groove is arranged at the bottom of the accommodating cavity, the waterproof cup is embedded in the accommodating cavity, a wafer fixing hole communicated with the wafer fixing groove is arranged at the bottom of the waterproof cup, the cross sections of the wafer fixing groove and the wafer fixing hole are in an I shape, and the wafer is bonded in the wafer fixing hole through an adhesive; a gold wire and a wire hole for the gold wire to pass through are also inserted at the bottom of the waterproof cup, a wire connecting groove is arranged at the bottom of the accommodating cavity, and the gold wire passes through the wire hole and is welded with a metal bracket in the wire connecting groove; the top of the waterproof cup is detachably connected with a lampshade.

By adopting the technical scheme, the support seat is formed on the metal support in an injection molding mode to form a main body of the LED support, a cup-shaped accommodating cavity is arranged in the support seat, a plurality of wafer fixing grooves for mounting wafers are formed in the bottom of the accommodating cavity, a waterproof cup with the shape consistent with that of the inner wall of the accommodating cavity is embedded in the accommodating cavity, a wafer fixing hole is formed in the bottom of the waterproof cup, the wafer fixing grooves are communicated with the wafer fixing hole, the cross sections of the wafer fixing grooves and the wafer fixing hole are in an I shape, the wafer is adhered to the wafer fixing hole, a connecting piece with the cross section in the I shape is formed after the adhesive is solidified, water vapor can be prevented from entering the waterproof cup, the wafer can be firmly connected to the metal support at the bottom of the wafer fixing groove, the wafer is not easy to fall off, the wafer is adhered to; the water discharging cup is further provided with a wire hole for a gold wire to pass through, when the LED lamp is assembled, the gold wire is firstly welded on the metal support after passing through the wire hole, then the water discharging cup is embedded into the accommodating cavity, the installation is convenient, the top of the waterproof cup is detachably connected with the lamp shade, and the lamp shade and the waterproof cup form a sealing structure together.

The utility model discloses a further set up to: the joint of the die bonding groove and the metal bracket forms a die bonding area, and the die bonding area is provided with a plurality of grooves which are arranged in a matrix manner.

By adopting the technical scheme, the bottom of the die bonding groove is communicated with the metal bracket to form the die bonding area, the die bonding area is provided with a plurality of grooves, and the adhesive can be more tightly connected with the metal bracket after being filled into the grooves.

The utility model discloses a further set up to: the wire hole internal fixation has elastic connection block, is located the confession of elastic connection block center the through-hole that the gold thread passed, be located elastic connection block is close to the joint ring of metal support one end, be provided with the confession on the metal support the ring type draw-in groove of joint ring embedding.

The utility model discloses a further set up to: the middle of the annular clamping groove is provided with a welding area, a welding joint is formed at the welding position of the gold wire and the welding area, and a limiting cavity for embedding the welding joint is arranged above the clamping ring.

Through adopting above-mentioned technical scheme, the downthehole elastic connection piece that is fixed with of line, the gold thread is pegged graft in elastic connection block's through-hole, the gold thread welding is accomplished the back, with waterproof cup embedding holding chamber, in ring embedding ring groove with elastic connection block's joint, realize the sealing in line hole, joint ring top is provided with the spacing chamber that supplies the soldered connection embedding, soldered connection embedding spacing chamber in the time of elastic connection block embedding ring groove, the gold thread is pegged graft in the through-hole, but fixed and protection are carried out to soldered connection and gold thread position, avoid the soldered connection not hard up, also can prevent the gold thread fracture, extension LED lamp life.

The utility model discloses a further set up to: the waterproof cup is characterized in that a fixing ring is arranged at the upper end of the waterproof cup, the outer side of the fixing ring is connected with the outer side of the supporting seat, and the bottom surface of the fixing ring is connected with the top surface of the supporting seat through a screw.

The utility model discloses a further set up to: the upper end of the fixing ring is provided with a sealing ring, and the inner wall of the lampshade is adhered to the outer wall of the sealing ring through a sealing waterproof adhesive.

Through adopting above-mentioned technical scheme, waterproof cup upper end is provided with solid fixed ring, and solid fixed ring passes through the screw connection on the supporting seat, can make waterproof cup realize the sealed of whole supporting seat, and the lamp shade passes through the sealing washer to be connected with waterproof cup, connects closely, and is sealed effectual.

The utility model discloses a further set up to: the inner side of the waterproof cup is provided with a reflective coating.

Through adopting above-mentioned technical scheme, the reflection of light coating can strengthen LED lamp luminance.

The utility model has the advantages that:

1. the water-proof cup is arranged in the accommodating cavity of the supporting seat, so that water vapor generated by the supporting seat at high temperature and water vapor permeating from a connecting gap between the supporting frame and the metal bracket can be prevented from contacting with the wafer, and the wafer is prevented from being damped.

2. The bottom of the waterproof cup is provided with a crystal fixing hole, the supporting seat is provided with a crystal fixing groove, the cross sections of the crystal fixing hole and the crystal fixing groove are in an I shape, the crystal fixing groove and the crystal fixing hole are filled with adhesive, the wafer is bonded in the crystal fixing hole, the adhesive is solidified to form a connecting piece with the cross section in the I shape, water vapor can be prevented from entering the waterproof cup, the wafer can be firmly connected to the metal support at the bottom of the crystal fixing groove, the wafer is not easy to fall off, and the wafer is bonded to the metal support through the adhesive, so that heat dissipation is facilitated.

3. Elastic connection block can seal the wire hole, and soldered connection embedding spacing chamber when elastic connection block imbeds ring groove, and the gold thread is pegged graft in the through-hole, can fix and protect butt joint and gold thread position, avoids the soldered connection not hard up, also can prevent the gold thread fracture, extension LED lamp life.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is an enlarged view of fig. 1 at B.

Fig. 4 is an enlarged view at C of fig. 1.

In the figure, 1, a metal bracket; 2. a supporting seat; 3. an accommodating cavity; 4. a die bonding groove; 5. a waterproof cup; 6. a fixing ring; 7. a screw; 8. a seal ring; 9. a lamp shade; 10. a die bonding area; 11. a groove; 12. fixing a crystal hole; 13. a wafer; 14. a wire hole; 15. gold thread; 16. a wiring slot; 17. an elastic connecting block; 18. a through hole; 19. a snap ring; 20. a ring-shaped clamping groove; 21. welding a head; 22. and a limiting cavity.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): the utility model provides a novel LED support is as shown in fig. 1, including metal support 1, injection moulding has supporting seat 2 on the metal support 1, be provided with cup holding chamber 3 in the supporting

seat

2, 3 bottoms in holding chamber are provided with solid brilliant groove 4, holding chamber 3 is embedded to have waterproof cup 5, waterproof cup 5 upper end is provided with solid fixed ring 6, gu 6 outsides of fixed ring meet with the supporting seat 2 outside, gu 6 bottom surfaces of fixed ring pass through screw 7 with 2 top surfaces of supporting seat and be connected, gu 6 upper ends of fixed ring are provided with sealing washer 8, 9 inner walls of lamp shade and 8 outer walls of sealing washer are through the adhesion of waterproof sealing glue, waterproof cup 5 inboard is provided with.

As shown in fig. 2, a die bonding area 10 is formed at the joint of the die bonding groove 4 and the metal bracket 1, the die bonding area 10 is provided with a plurality of grooves 11 arranged in a matrix, the bottom of the waterproof cup 5 is provided with die bonding holes 12 communicated with the die bonding groove 4, the cross sections of the die bonding groove 4 and the die bonding holes 12 are in an i shape, the wafer 13 is bonded in the die bonding holes 12 through viscose, the viscose is filled in the die bonding groove 4 and the die bonding holes 12 to form connecting pieces with i-shaped cross sections, the wafer 13, the waterproof cup 5 and the metal bracket 1 are firmly connected together, and the bottom of the viscose is filled in the grooves 11 arranged in the matrix, so that the bottom of the viscose can be more tightly connected with the metal bracket 1.

As shown in fig. 3, a wire hole 14 is formed at the bottom of the waterproof cup 5, a gold wire 15 is inserted in the wire hole 14, a wire connecting groove 16 is formed at the bottom of the accommodating chamber 3, the gold wire 15 penetrates through the wire hole 14 to be welded with the metal support 1 in the wire connecting groove 16, an elastic connecting block 17 is fixed in the wire hole 14, a through hole 18 for the gold wire 15 to penetrate through is formed in the center of the elastic connecting block 17, a clamping ring 19 is arranged at one end of the elastic connecting block 17 close to the metal support 1, a ring-shaped clamping groove 20 for embedding the clamping ring 19 is arranged on the metal support 1, a welding area is formed in the middle of the ring-shaped clamping groove 20, a welding head 21 is formed at the welding position of the gold wire 15 and the welding area, a limit chamber 22 for embedding the welding head 21 is arranged above the clamping ring 19, the welding head 21 is embedded in the limit chamber 22 while, the welding head 21 is prevented from loosening, the gold wire 15 can be prevented from being broken, and the service life of the LED lamp is prolonged.

A novel LED support theory of operation: when the LED bracket is manufactured, firstly, a copper plate is stamped into a metal bracket 1, and then the metal bracket 1 is injection molded to form a supporting seat 2; then, a gold wire 15 is welded in a wiring groove 16 at the bottom of the accommodating cavity 3 of the supporting seat 2, the waterproof cup 5 is embedded into the accommodating cavity 3 after the welded gold wire 15 penetrates through a wire hole 14 of the waterproof cup 5, an elastic connecting block 17 in the wire hole 14 is embedded into an annular clamping groove 20 of the metal support 1, and a welding head 21 of the gold wire 15 is fixed; thirdly, injecting viscose into the die bonding hole 12 of the waterproof cup 5, adhering the wafer 13 into the die bonding hole 12, filling the die bonding hole 12 and the die bonding groove 4 of the accommodating cavity 3 with the viscose to form a connecting piece with an I-shaped cross section, connecting the wafer 13 with the metal bracket 1, and connecting the other end of the gold wire 15 with the wafer 13; and finally, the waterproof cup 5 is connected with the supporting seat 2 by adopting a screw 7, and the lampshade 9 is fixed on the fixing ring 6 of the waterproof cup 5 by adopting a sealing waterproof adhesive to complete the assembly of the LED lamp.

Claims

1. A novel LED support, its characterized in that: the die comprises a metal support (1), a supporting seat (2) formed on the metal support (1) in an injection molding mode, and a wafer (13) fixed on the supporting seat (2), wherein a cup-shaped accommodating cavity (3), a die bonding groove (4) arranged at the bottom of the accommodating cavity (3), and a waterproof cup (5) embedded in the accommodating cavity (3) are arranged in the supporting seat (2), a die bonding hole (12) communicated with the die bonding groove (4) is formed in the bottom of the waterproof cup (5), the cross sections of the die bonding groove (4) and the die bonding hole (12) are in an I shape, and the wafer (13) is bonded in the die bonding hole (12) through adhesive; a gold thread (15) and a thread hole (14) for the gold thread (15) to pass through are also inserted into the bottom of the waterproof cup (5), a thread groove (16) is arranged at the bottom of the accommodating cavity (3), and the gold thread (15) passes through the thread hole (14) and is welded with the metal support (1) in the thread groove (16); the top of the waterproof cup (5) is detachably connected with a lampshade (9).

2. The novel LED support of claim 1, wherein: the joint of the die bonding groove (4) and the metal bracket (1) forms a die bonding area (10), and the die bonding area (10) is provided with a plurality of grooves (11) which are arranged in a matrix.

3. The novel LED support of claim 1, wherein: the gold thread wire fixing and clamping device is characterized in that an elastic connecting block (17) is fixed in the wire hole (14), the center of the elastic connecting block (17) is provided with a through hole (18) through which a gold thread (15) passes, and a clamping ring (19) is arranged at one end, close to the metal support (1), of the elastic connecting block (17), and a ring-shaped clamping groove (20) for embedding the clamping ring (19) is formed in the metal support (1).

4. The novel LED support according to claim 3, wherein: a welding area is formed in the middle of the annular clamping groove (20), a welding head (21) is formed at the welding position of the gold wire (15) and the welding area, and a limiting cavity (22) for embedding the welding head (21) is arranged above the clamping ring (19).

5. The novel LED support of claim 1, wherein: the waterproof cup is characterized in that a fixing ring (6) is arranged at the upper end of the waterproof cup (5), the outer side of the fixing ring (6) is connected with the outer side of the supporting seat (2), and the bottom surface of the fixing ring (6) is connected with the top surface of the supporting seat (2) through a screw (7).

6. The novel LED support according to claim 5, wherein: and a sealing ring (8) is arranged at the upper end of the fixing ring (6), and the inner wall of the lampshade (9) is adhered to the outer wall of the sealing ring (8) through a sealing waterproof adhesive.

7. The novel LED support of claim 1, wherein: the inner side of the waterproof cup (5) is provided with a reflective coating.