CN210035114U

CN210035114U - Driving-free LED bulb

Info

Publication number: CN210035114U
Application number: CN201920592883.8U
Authority: CN
Inventors: 陈洋; 粟繁忠
Original assignee: Shenzhen Chuanrui Microelectronic Technology Co Ltd
Current assignee: Shenzhen Chuanrui Microelectronic Technology Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-02-07
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a driving-free LED bulb, which comprises a bulb shell, a lamp holder, a binding post, a guide wire, a substrate, LED wafers, power components and metal sheets, wherein the bulb shell is a glass shell, the lamp holder is fixedly connected on the bulb shell, the binding post, the guide wire, the substrate, the LED wafers and the power components are all positioned inside the bulb shell, a plurality of LED wafers are arranged on the front and back surfaces of the substrate, the driving-free LED bulb not only replaces the traditional halogen lamp, but also replaces the LED bulb needing the driving power supply at present, thereby effectively reducing the temperature on the surface of the lamp body, prolonging the service life of the bulb, simultaneously enhancing the safety performance of the bulb, fixing the naked crystal of the LED wafer and the LED wafer on the substrate together through the driving power supply components, needing no large-volume driving power supply sheet, needing no external lead wire to connect the driving power supply and the LED bulb, therefore, the LED bulb is free from driving, and meanwhile, the LED bulb is simple in structure and saves energy.

Description

Driving-free LED bulb

Technical Field

The invention relates to the technical field of LED bulbs, in particular to a driving-free LED bulb.

Background

The traditional bulb adopts the halogen lamp of tungsten filament, and halogen is harmful substance, and halogen lamp surface temperature is high in the use, can not contact with the hand, arouses easily to scald the accident, and traditional LED bulb all needs drive power supply module, and drive power supply either with LED lamp pearl branch connect, or with LED lamp pearl subsides together, but all can't save bulky drive power supply, structure and production technology are complicated, the assembly efficiency is low, and is with high costs, for this reason, we propose a driving-free LED bulb.

Disclosure of Invention

The present invention is directed to a driving-free LED bulb, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a drive-free LED bulb, includes bulb shell, lamp holder, terminal, seal wire, base plate, LED wafer, power components and parts and sheetmetal, the bulb shell is the glass shell, lamp holder fixed connection is on the bulb shell, terminal, seal wire, base plate, LED wafer and power components and parts all are located inside the bulb shell, the LED wafer is equipped with a plurality ofly, and a plurality of LED wafer align to grid are just, the reverse side at the base plate, and power components and parts fixed connection is on the base plate, the bottom of base plate is equipped with the sheetmetal, the sheetmetal passes through the support or with the seal wire fixed connection of terminal one end, and the other end of terminal passes through the seal wire and is connected with the lamp holder.

Preferably, the bulb shell is a transparent bulb shell, a milky-white bulb shell, a frosted bulb shell or the like, and the bulb shell has the shape of an A bulb, a C bulb, a T bulb, an ST bulb, a candle bulb, a tail bulb or the like.

Preferably, the substrate is provided with a heat dissipation strip, the output end of the heat dissipation strip is fixedly connected with a heat conduction sheet, one end of the heat conduction sheet, far away from the heat dissipation strip, is fixedly connected to one end, close to the lamp cap, of the bulb shell, and the heat dissipation ring sheet is fixedly sleeved on the outer side of the lamp cap.

Preferably, a plurality of heat dissipation holes are formed in the heat dissipation strip, and a plurality of heat dissipation grooves are formed in the heat dissipation ring piece.

Preferably, the LED wafer and the power supply component are fixed on the substrate through insulating glue, and fluorescent glue is packaged on the outer sides of the LED wafer and the power supply component.

Preferably, the power supply component comprises a linear constant current driving chip bare chip, a rectifier bridge bare chip and other component bare chips.

Preferably, the LED chips are connected in series or in parallel through leads on the substrate, and the linear constant current driver chip bare chip, the rectifier bridge bare chip and other component bare chips, the LED chips and the metal sheet are connected through the leads on the substrate.

Preferably, the lamp holder and the bulb shell are fixed through glue or lamp holder mud.

Preferably, the bulb is evacuated and filled with an inert gas such as nitrogen.

Compared with the prior art, the invention has the beneficial effects that:

1. the LED wafer not only replaces the traditional halogen lamp, but also replaces the LED bulb needing a driving power supply at present, and meanwhile, the heat dissipation strip and the heat conduction sheet are arranged on the substrate, so that the surface temperature of a lamp body is effectively reduced, the service life of the bulb is prolonged, the safety performance of the bulb is enhanced, the naked crystal of the driving power supply component and the LED wafer are fixed on the substrate together, a large-size packaging piece of the driving power supply component is not needed, and an external lead is not needed to connect the driving power supply and the LED bulb, so that the LED bulb is free from being driven, and meanwhile, the structure is simple, and the energy is saved.

2. In order to realize different LED lighting requirements, the LED lighting device can realize non-dimming LED lighting, LED lighting supporting silicon controlled rectifier dimming, LED lighting supporting switch dimming and color mixing and the like by only selecting different constant-current IC bare crystals, has various functions and simple structure, is suitable for automatic production, improves the assembly efficiency and greatly saves the cost.

3. The invention supports various bulb shapes and shells, the bulb shell shapes are suitable for but not limited to A bulb, C bulb, T bulb, ST bulb, candle bulb, tail bulb, special-shaped bulb and the like, and the bulb shell is suitable for but not limited to transparent bulb shell, milky bulb shell, frosted bulb shell and the like, thereby enlarging the application range of the bulb shell.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a substrate structure according to the present invention;

FIG. 3 is a schematic diagram of two side views of the substrate of the present invention;

FIG. 4 is a schematic diagram of three structures of the substrate of the present invention;

FIG. 5 is a schematic diagram of three top views of the substrate according to the present invention.

In the figure: 1-a bulb shell; 2-a lamp holder; 3-a binding post; 4-guide wire; 5-a substrate; 6-LED chip; 7-power supply components; 8-a metal sheet; 9-a heat conducting sheet; 10-heat dissipation ring sheet; 11-heat dissipation holes; 12-a heat sink; 13-Heat sink bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the LED bulb comprises a bulb shell 1, a lamp holder 2, a wiring terminal 3, a guide wire 4, a substrate 5, LED wafers 6, power supply components 7 and metal sheets 8, wherein the bulb shell 1 is a glass shell, the lamp holder 2 is fixedly connected to the bulb shell 1, the wiring terminal 3, the guide wire 4, the substrate 5, the LED wafers 6 and the power supply components 7 are all located inside the bulb shell 1, the LED wafers 6 are arranged in a plurality, the LED wafers 6 are uniformly arranged on the front surface and the back surface of the substrate 5, the power supply components 7 are fixedly connected to the substrate 5, the metal sheets 8 are arranged at the bottom end of the substrate 5, the metal sheets 8 are fixedly connected with the guide wire 4 at one end of the wiring terminal 3 through a support, the other end of the wiring terminal 3 is connected with the lamp holder 2 through the guide wire 4, when the substrate 5 is single, the metal sheets 8 at the bottom end of the substrate 5 are directly connected with one end of the guide, when the substrate 5 is two or more than two substrates 5, the metal sheet 8 at the bottom end of the substrate 5 is connected with the bracket firstly, and the bracket is connected with one end of the guide wire 4 on the binding post 3.

The bulb shell 1 is a transparent bulb shell, a milky bulb shell, a frosted bulb shell and the like, the appearance of the bulb shell 1 is a bulb, a bulb C, a bulb T, a bulb ST, a candle bulb, a tail bulb and the like, so that the bulb shell is suitable for bulbs with different appearances, and meanwhile, the LED wafer 6 can emit light with other colors such as white light and yellow light, so that the application range of the bulb is enlarged.

The LED lamp is characterized in that the substrate 5 is provided with a heat dissipation strip 13, the output end of the heat dissipation strip 13 is fixedly connected with a heat conducting strip 9, one end, far away from the heat dissipation strip 13, of the heat conducting strip 9 penetrates through one end, close to the lamp holder 2, of the fixed through bulb shell 1, and the heat dissipation ring piece 10 is fixedly sleeved on the outer side of the lamp holder 2, so that the heat dissipation efficiency of the substrate is increased, and the service life and the luminous efficiency of the substrate are improved.

The specific implementation mode is as follows: after the substrate 5 runs for a long time, a large amount of heat is generated on the surface of the substrate 5, the substrate 5 is cooled through the cooling strips 13, so that the cooling efficiency of the substrate 5 is improved, meanwhile, the heat on the cooling strips 13 is conducted to the lamp cap 2 through the heat conducting fins 9, and the heat generated by the substrate 5 is rapidly cooled through the cooling ring sheets 10 at the lamp cap 2, so that the cooling efficiency of the substrate 5 is improved, and meanwhile, the service life of the substrate 5 is prolonged.

The heat dissipation strip 13 is provided with a plurality of heat dissipation holes 11, and the heat dissipation ring piece 10 is provided with a plurality of heat dissipation grooves 12, so that the heat dissipation efficiency of the heat dissipation strip 13 and the heat dissipation ring piece 10 is increased.

The LED wafer 6 and the power supply component 7 are fixed on the substrate 5 through insulating glue, and fluorescent glue is packaged outside the LED wafer 6 and the power supply component 7, so that the LED wafer 6 and the power supply component 7 are respectively fixed on the substrate 5, and the insulating voltage-stabilizing performance is realized.

The power supply component 7 comprises a linear constant current driving chip bare chip, a rectifier bridge bare chip and other component bare chips, so that the luminous performance of the LED wafer 6 is realized.

The LED wafer 6 is connected in series or in parallel through a lead wire on the substrate 5, and the linear constant current driving chip bare chip, the rectifier bridge bare chip and other component bare chips, the LED wafer 6 and the metal sheet 8 are connected through the lead wire on the substrate 5, so that an electric loop of the LED wafer 6 is realized.

The lamp holder 2 is fixed with the lamp bulb shell 1 through glue or lamp holder mud, so that the lamp holder 2 is conveniently connected with the lamp bulb shell 1.

The interior of the bulb shell 1 is vacuumized and filled with inert gases such as nitrogen and the like, so that the stability of components in the bulb shell 1 is improved.

The specific implementation mode is as follows: through setting up to LED wafer 6, thereby effectively reduce the temperature on lamp body surface, the life of bulb has been improved, strengthen the security performance of bulb simultaneously, fix on base plate 5 through drive power supply components and parts 7 naked brilliant and LED wafer 6 together, need not the 7 encapsulation pieces of bulky drive power supply components and parts, need not outside pin connection drive power supply and LED lamp pearl, thereby realize that the LED bulb exempts from the drive, and is simple in structure simultaneously, the energy can be saved, realize automated production, promote assembly efficiency, and then reduce cost, in order to realize different LED illumination demands, only need select different constant current IC naked brilliant, just can realize the LED illumination of non-adjusting luminance, support the LED illumination that the silicon controlled rectifier adjusted luminance, support the LED illumination of switch adjusting luminance mixing of colors, etc., the function is various, moreover, the steam generator is simple in structure, and suitable for automated production, promote assembly efficiency, and the cost.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drive-free LED bulb, includes bulb shell (1), lamp holder (2), terminal (3), seal wire (4), base plate (5), LED wafer (6), power components and parts (7) and sheetmetal (8), its characterized in that: bulb shell (1) is the glass shell, lamp holder (2) fixed connection is on bulb shell (1), terminal (3), seal wire (4), base plate (5), LED wafer (6) and power components and parts (7) all are located inside bulb shell (1), LED wafer (6) are equipped with a plurality ofly, and a plurality of LED wafer (6) align to grid are just, the reverse side at base plate (5), power components and parts (7) fixed connection is on base plate (5), the bottom of base plate (5) is equipped with sheetmetal (8), sheetmetal (8) through the support or with seal wire (4) fixed connection of terminal (3) one end, and the other end of terminal (3) passes through seal wire (4) and is connected with lamp holder (2).

2. The drive-free LED bulb of claim 1, wherein: the bulb shell (1) is a transparent bulb shell, a milky bulb shell, a frosted bulb shell and the like, and the bulb shell (1) is an A bulb, a C bulb, a T bulb, an ST bulb, a candle bulb, a tail bulb and the like.

3. The drive-free LED bulb of claim 1, wherein: be equipped with heat dissipation strip (13) on base plate (5), and fixedly connected with conducting strip (9) on heat dissipation strip (13) output, the one end fixed connection that radiating strip (13) were kept away from in conducting strip (9) is close to the one end of lamp holder (2) in bulb shell (1), the fixed cover in lamp holder (2) outside has connect radiating ring piece (10).

4. A drive-free LED bulb as set forth in claim 3, wherein: the radiating strip (13) is provided with a plurality of radiating holes (11), and the radiating ring piece (10) is provided with a plurality of radiating grooves (12).

5. The drive-free LED bulb of claim 1, wherein: the LED chip (6) and the power supply component (7) are fixed on the substrate (5) through insulating glue, and fluorescent glue is packaged on the outer sides of the LED chip (6) and the power supply component (7).

6. A drive-free LED bulb as set forth in claim 2, wherein: the power supply component (7) comprises a linear constant current driving chip bare chip, a rectifier bridge bare chip and other component bare chips.

7. The drive-free LED bulb of claim 1, wherein: the LED chip (6) is connected in series or in parallel through a lead on the substrate (5), and the linear constant current driving chip bare chip, the rectifier bridge bare chip and other component bare chips, the LED chip (6) and the metal sheet (8) are connected through the lead on the substrate (5).

8. The drive-free LED bulb of claim 1, wherein: the lamp holder (2) is fixed with the bulb shell (1) through glue or lamp holder mud.

9. The drive-free LED bulb of claim 1, wherein: the bulb shell (1) is internally vacuumized and filled with inert gases such as nitrogen and the like.