CN210153580U

CN210153580U - COB packaging small-power 360-degree LED bulb with heat dissipation function

Info

Publication number: CN210153580U
Application number: CN201920855369.9U
Authority: CN
Inventors: 柯银湖
Original assignee: Jiangsu Yishengguang Photoelectric Technology Co Ltd
Current assignee: Jiangsu Yishengguang Photoelectric Technology Co Ltd
Priority date: 2019-06-09
Filing date: 2019-06-09
Publication date: 2020-03-17
Anticipated expiration: 2029-06-09

Abstract

The utility model discloses a COB packaged small-power 360-degree LED bulb with heat dissipation, a plurality of lamp sheet grooves (4) are vertically and uniformly distributed on the inner wall of the heat dissipation transparent cover (1), after the LED lamp sheet (5) is inserted into each lamp sheet groove (4), the LED lamp sheet (5) is clung to the inner wall of the heat dissipation transparent cover (1), the bottom of the LED lamp sheet (5) is provided with a circuit board (6), the bulb base (2) is of a hollow structure, install the radiator in bulb base (2) inner chamber, the radiator set up to the radiating ring, the stabilizer blade and circuit board (6) of LED lamp piece (5) bottom are connected, drive power supply (13) that circuit board (6) were equipped with through connecting wire I (12) and standard lamp holder (3) are connected, drive power supply (13) are through connecting wire II (14) and the terminal connection of standard lamp holder (3) bottom.

Description

COB packaging small-power 360-degree LED bulb with heat dissipation function

Technical Field

The utility model relates to a COB encapsulation has 360 LED bulbs of radiating miniwatt, especially adopts 360 LED bulbs of COB encapsulation that have heat radiation structure's 2.5W.

Background

Most of the radiating structures of lamps such as a low-power light source, especially a 2.5W light source or a bulb and a bulb lamp on the market are patch type LED light sources, and radiating only depends on single-side radiating of a substrate and air radiating, but the radiating structure has low radiating efficiency and extremely unsatisfactory radiating effect, bulb lamp pieces are extremely easy to generate heat and scald, and due to the process of a blue light chip, the LED lamp has a heat failure phenomenon due to insufficient radiating, so that the service life is influenced; insufficient heat conduction can cause heat accumulation, and the heat accumulation finally limits the release and diffusion of LED light, and in addition, the LED lamp piece is easy to oxidize by adopting a silica gel system.

Disclosure of Invention

The utility model provides a COB encapsulation has 360 LED bulbs of radiating miniwatt, and it not only can solve the heat dissipation problem of LED bulb, increases the life of LED lamp piece.

The utility model adopts the following technical scheme: COB encapsulation has radiating 360 LED bulbs of miniwatt, and it is equipped with heat dissipation translucent cover, bulb base and standard lamp holder from top to bottom, and the bottom of heat dissipation translucent cover is connected with the upper portion of bulb base, and the bottom of bulb base is connected with the upper portion of standard lamp holder, heat dissipation translucent cover inner wall on vertical evenly distributed have a plurality of lamp piece grooves, make LED lamp piece hug closely with the inner wall of heat dissipation translucent cover behind every lamp piece inslot inserted LED lamp piece, the bottom of LED lamp piece is equipped with the circuit board, the bulb base set up to hollow structure, install the radiator in bulb base inner chamber, the radiator set up to the radiating ring, the stabilizer blade and the circuit board of LED lamp piece bottom are connected, the circuit board passes through connecting wire I and is connected with the drive power supply who is equipped with in the standard lamp holder, drive power supply passes through connecting wire II and is connected with the terminal of.

The circuit board is positioned on the upper part of the inner cavity of the bulb base, the radiating ring is positioned on the lower part of the inner cavity of the bulb base, and a heat-conducting silica gel sheet is arranged between the circuit board and the radiating ring and is attached to the surface of the circuit board. The radiating ring is arranged to be a radiating aluminum ring, the central part of the radiating aluminum ring is a hollow cylinder, the cross section of the hollow cylinder is in a ring shape, the hollow part in the middle of the hollow cylinder is arranged to be an air circulation pipeline, and a plurality of radiating fins are distributed around the central cylinder in a radiating shape. The inner wall of the heat dissipation transparent cover is vertically and uniformly distributed with 3 lamp sheet grooves. The bottom of heat dissipation translucent cover and the junction cover of bulb base have the becket, the step department of becket top card bottom the heat dissipation translucent cover, the main part cover of becket is outside the bulb base, the bottom of becket is equipped with the silica gel sealing washer, the silica gel sealing washer is located the junction portion between the bottom of becket and the bulb base. The metal ring is arranged to be an aluminum ring. The radiating transparent cover is a circular cup cover of the bulb lamp. The bulb base is a nylon bulb base or a PC material bulb base. The LED lamp piece is set to be a 360-degree full-period-light LED lamp piece.

The circuit board is set as an LED bulb lamp circuit board, the LED bulb lamp circuit board is a PCB circuit board, and the driving power supply is set as an LED driving power supply. The bottom of the heat dissipation transparent cover is provided with a clamping hook, and the bottom of the heat dissipation transparent cover is clamped on the inner wall of the upper part of the bulb base through the clamping hook and is connected with the upper part of the bulb base.

The utility model discloses following beneficial effect has: after the technical scheme is used, the utility model discloses can improve the radiating efficiency effectively, solve the heat dissipation problem of LED lamp, can improve the light efficiency moreover, it is more energy-concerving and environment-protective, increase the life of LED lamp to reduce the energy consumption. The utility model discloses a 360 full all round lamp pieces, it can realize not having any and sheltering from, realizes 360 all round lights in the true sense, for all round lamp pieces provide luminous heat radiation structure to reduce the energy consumption, can obtain higher light efficiency under same power. The utility model discloses a heat dissipation translucent cover, heat dissipation translucent cover set up to the circular cup cover of ball bubble lamp, change the lamp shade into the circular cup cover of ball bubble lamp like this, can not obstruct the release of light, and it makes LED lamp piece and heat dissipation translucent cover's inner wall hug closely to insert behind the vertical evenly distributed's every lamp piece inslot on the translucent cover inner wall of will dispelling the heat simultaneously, and LED lamp piece more does benefit to thermal conduction with the laminating each other of heat dissipation translucent cover like this, more does benefit to the heat dissipation. The utility model discloses the bulb base sets up to hollow structure, and the circulation that like this can make full use of air dispels the heat, and is more energy-concerving and environment-protective, increases the life of LED lamp. The utility model discloses the central part of the heat dissipation aluminium ring of installation is the cavity cylinder in the bulb base, and the cross sectional shape of cavity cylinder sets up to circle shape, and the middle hollow portion of cavity cylinder sets up to the circulation of air pipeline, is to disperse the form around the center cylinder and distributes and have a plurality of fin, can form the circulation of air like this in the bulb base, more is favorable to the heat conduction in the bulb base. The utility model discloses be equipped with heat conduction silica gel piece between circuit board and radiator, laminate each other between heat conduction silica gel piece and the circuit board, the circuit board sets up to LED ball bubble lamp circuit board, LED ball bubble lamp circuit board is the PCB circuit board, specifically can be for FR4 circuit board or aluminium base board, can increase the heat-absorbing surface like this, directly absorb the heat of circuit board and LED lamp piece release to transmit away through bulb base and standard lamp stand conduction, reach the state of inside and outside heat balance. The utility model discloses the bottom of heat dissipation translucent cover has the becket with the junction cover of bulb base, and the becket sets up to aluminium system ring, and the top card of becket is in the step department of heat dissipation translucent cover bottom, and the main part cover of becket is outside at the bulb base, can absorb the heat that the bulb base transmitted out to the air is gone into in the conduction, reaches the state of inside and outside heat balance.

Drawings

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

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic view of the overall structure of the present invention.

Fig. 4 is a schematic structural view of the heat dissipating ring of the present invention.

Detailed Description

In the first embodiment, in fig. 1, 2 and 4, the present invention provides a COB-packaged low-power 360 ° LED lamp with heat dissipation, which is provided with a heat dissipation transparent cover 1, a lamp base 2 and a standard lamp cap 3 from top to bottom, the standard lamp cap 3 of the present embodiment is configured as a standard screw lamp cap 3, the standard screw lamp cap 3 is configured as an E27 standard lamp cap or an E26 standard lamp cap, the heat dissipation transparent cover 1 is configured as a circular cup of a bulb lamp, the lamp base 2 is configured as a nylon lamp base or a PC material lamp base, the lamp base is configured as an LED bulb base, the bottom of the heat dissipation transparent cover 1 is connected with the upper portion of the lamp base 2, the bottom of the heat dissipation transparent cover 1 is provided with a hook, the bottom of the heat dissipation transparent cover 1 is connected with the upper portion of the lamp base 2 through the hook being clamped on the inner wall of the upper portion of the lamp base 2, the inner wall of the heat dissipation transparent cover 1 is vertically and uniformly distributed with a plurality of lamp sheet grooves 4, the inner wall of the heat dissipation transparent cover 1 of the embodiment is vertically and uniformly distributed with three lamp sheet grooves 4, after the LED lamp sheet 5 is inserted into each lamp sheet groove 4, the LED lamp sheet 5 is tightly attached to the inner wall of the heat dissipation transparent cover 1, the LED lamp sheet 5 is set to be a 360-degree full-ambient light LED lamp sheet, the bottom of the LED lamp sheet 5 is provided with a circuit board 6, the circuit board 6 is set to be an LED bulb lamp circuit board which is a PCB circuit board, the LED bulb lamp circuit board of the embodiment adopts an FR4 circuit board or an aluminum substrate, the LED bulb lamp circuit board body can be a 2.5w bulb FR4 lamp plate, the bulb base 2 is set to be a hollow structure, a radiator is installed in the inner cavity of the bulb base 2, the radiator is set to be a heat dissipation ring, and the circuit board 6 is positioned, the heat dissipation ring is positioned at the lower part of an inner cavity of the bulb base 2, a heat conduction silica gel sheet 7 is arranged between the circuit board 6 and the heat dissipation ring, the heat conduction silica gel sheet 7 is attached to the surface of the circuit board 6, support legs at the bottom of the LED lamp sheet 5 are connected with the circuit board 6, the circuit board 6 is connected with a driving power supply 13 arranged in the standard lamp holder 3 through a connecting lead I12, the driving power supply 13 is connected with a binding post at the bottom of the standard lamp holder 3 through a connecting lead II 14, the driving power supply 13 is set as an LED driving power supply, the LED driving power supply adopted in the embodiment is a 110V LED driving power supply or a 220V LED driving power supply, the LED driving power supply in the embodiment can also be a 2.5W CE switch-passing dimming power supply or a 2.5W CE switch-passing dimming power supply, the support legs of the LED lamp sheet 5 in the embodiment are welded with a bonding pad on the circuit board, in the figure 4, the radiating ring is a radiating aluminum ring 8, the central part of the radiating aluminum ring 8 is a hollow cylinder, the cross section of the hollow cylinder is in a ring shape, the middle hollow part of the hollow cylinder is provided with an air circulation pipeline, a plurality of radiating fins 9 are distributed around the central cylinder in a radiating manner, eighteen radiating fins 9 are distributed around the central cylinder in the embodiment, a metal ring 10 is sleeved at the joint of the bottom of the radiating transparent cover 1 and the bulb base 2, the metal ring 10 is an aluminum ring, the top of the metal ring 10 is clamped at the step at the bottom of the radiating transparent cover 1, and the main body part of the metal ring 10 is sleeved outside the bulb base 2, the bottom of the metal ring 10 is provided with a silica gel sealing ring 11, and the silica gel sealing ring is positioned at the joint part between the bottom of the metal ring 10 and the bulb base 2.

The utility model discloses LED lamp piece 5 sets up to 360 full period light LED lamp pieces, carries out many-sided conduction heat dissipation via the heat dissipation ring in contact heat dissipation translucent cover 1, bulb base 2 and the bulb base 2, has outside cladding becket 10 conduction heat source to outmost again, realizes inside and outside temperature steady balance state via the air to avoid LED lamp piece 5 the heat accumulation phenomenon to appear, and make whole bulb maintain at thermal balance state.

The above embodiments are used to further illustrate the technical solutions of the present invention, but the scope of the present invention is not limited to only the technical solutions listed in the embodiments of the specification.

Claims

COB packaging has 360 LED bulbs of radiating miniwatt, its characterized in that from top to bottom is equipped with heat dissipation translucent cover (1), bulb base (2) and standard lamp holder (3), the bottom of heat dissipation translucent cover (1) is connected with the upper portion of bulb base (2), the bottom of bulb base (2) is connected with the upper portion of standard lamp holder (3), heat dissipation translucent cover (1) inner wall on vertical evenly distributed have a plurality of lamp piece grooves (4), make LED lamp piece (5) hug closely with the inner wall of heat dissipation translucent cover (1) behind inserting LED lamp piece (5) in every lamp piece groove (4), the bottom of LED lamp piece (5) is equipped with circuit board (6), bulb base (2) set up to hollow structure, install the radiator in bulb base (2) inner chamber, the radiator set up to the heat dissipation ring, the stabilizer blade of LED lamp piece (5) bottom is connected with circuit board (6), the circuit board (6) is connected with a driving power supply (13) arranged in the standard lamp holder (3) through a connecting wire I (12), and the driving power supply (13) is connected with a wiring terminal at the bottom of the standard lamp holder (3) through a connecting wire II (14).
2. The COB package with heat dissipation small-power 360-degree LED bulb according to claim 1, characterized in that the circuit board (6) is located at the upper portion of the inner cavity of the bulb base (2), the heat dissipation ring is located at the lower portion of the inner cavity of the bulb base (2), a heat conduction silicone sheet (7) is arranged between the circuit board (6) and the heat dissipation ring, and the heat conduction silicone sheet (7) is attached to the surface of the circuit board (6).
3. The COB package with heat dissipation of the small power 360 degree LED bulb according to claim 1 or 2, characterized in that the heat dissipation ring is a heat dissipation aluminum ring (8), the center of the heat dissipation aluminum ring (8) is a hollow cylinder, the cross section of the hollow cylinder is shaped as a circular ring, the hollow part in the middle of the hollow cylinder is an air circulation pipeline, and a plurality of heat dissipation fins (9) are distributed around the center cylinder in a divergent manner.
4. The COB package with heat dissipation small power 360-degree LED bulb according to claim 1, characterized in that 3 lamp sheet grooves (4) are vertically and uniformly distributed on the inner wall of the heat dissipation transparent cover (1).
5. The COB package has radiating 360 degrees LED bulbs of miniwatt of claim 1, characterized by the bottom of heat dissipation translucent cover (1) and the junction cover of bulb base (2) have becket (10), the top card of becket (10) is in the step department of heat dissipation translucent cover (1) bottom, the main part cover of becket (10) is outside bulb base (2), the bottom of becket (10) is equipped with silica gel sealing washer (11), the silica gel sealing washer is located the junction between the bottom of becket (10) and bulb base (2).
6. COB-packaged, low-power 360 ° LED bulb with heat dissipation according to claim 5, characterized in that the metal ring (10) is provided as an aluminum ring.
7. COB-packaged low-power 360 ° LED bulb with heat dissipation according to claim 1, 4 or 5, characterized in that the heat-dissipating transparent cover (1) is configured as a circular cup of a bulb.
8. COB-packaged, low-power 360 ° LED bulb with heat dissipation according to claim 1 or 5, characterized in that the bulb base (2) is configured as a nylon bulb base or a PC material bulb base.
9. The COB package with heat dissipation of small power 360 degree LED bulb as claimed in claim 1, characterized in that the LED light sheet (5) is set to be a 360 degree full ambient light LED light sheet.
10. The COB package with heat dissipation small-power 360-degree LED bulb according to claim 1, characterized in that the circuit board (6) is an LED bulb circuit board, the LED bulb circuit board is a PCB circuit board, and the driving power supply (13) is an LED driving power supply.
11. The COB package with heat dissipation small power 360-degree LED bulb according to claim 1, characterized in that a hook is arranged at the bottom of the heat dissipation transparent cover (1), and the bottom of the heat dissipation transparent cover (1) is clamped on the inner wall of the upper portion of the bulb base (2) through the hook and connected with the upper portion of the bulb base (2).