WO2015109848A1

WO2015109848A1 - Led light bulb

Info

Publication number: WO2015109848A1
Application number: PCT/CN2014/085231
Authority: WO
Inventors: 周鸿毅
Original assignee: 陈伟杰; 周鸿毅
Priority date: 2014-01-24
Filing date: 2014-08-26
Publication date: 2015-07-30
Also published as: CN203823684U

Abstract

A LED light bulb, comprising an electrically-conductive bulb cap (1); a bulb base (4) arranged on said bulb cap; a light source (8) arranged on said bulb base; a bulb envelope (6) arranged on the bulb base (4) and enveloping the light source (8); and a LED driver circuit board (3) arranged within the bulb cap (1) and the bulb base (4). The light source (8) comprises a light-source base (82) and a light-emitting element (81). The light-emitting element is electrically connected to the LED driver circuit board (3). The light-emitting element (81) is composed of a polygonal-prism aluminum substrate (812) arranged on the light-source base (82), and a plurality of LED light-emitting plates (811) corresponding to and disposed on each face of the polygonal-prism aluminum substrate (812), said plates forming a peripheral enclosure. The top face of the polygonal-prism aluminum substrate (812) is also provided with a LED light-emitting plate (811), sealing the enclosure. The polygonal-prism-structured light-emitting element improves the illumination direction and angle of the light source, eliminates light-source dark spots, and greatly enhances the illumination effect. Moreover, the polygonal-prism structure of the light-emitting element is simple and convenient.

Description

LED bulb

Technical field

The utility model relates to a bulb structure in a lighting element, in particular to an LED bulb.

Background technique

LED light bulb is a commonly used lighting component in daily life. It has the advantages of high luminous efficiency, energy saving, environmental protection, long service life, etc. It has gradually replaced the traditional tungsten incandescent bulb and fluorescent bulb, and the structure and disclosure of LED bulb The Chinese invention patent application number is 201310449301.8, which is similar to the "an LED bulb". It is mainly composed of a conductive lamp holder, a lamp holder, a lamp source, a lamp cover and an LED driving circuit board. The conductive lamp cap is mounted by a snap-fit structure or a screw connection structure. On the base of the lamp holder, electrical conduction is formed and the light source is illuminated to illuminate the surrounding environment. At present, most of the LED bulbs use a plurality of LED illuminators installed horizontally or vertically as illuminants. It is limited by the inherent structure of the LED illuminators, and the illumination angle cannot be emitted in all directions like a conventional bulb. In the actual use process, the dark area of the illumination often appears, that is, the illumination direction and the illumination angle are limited. The disclosed "multi-faceted light bulb" of the Chinese patent No. 201120266349.1 proposes a structure of a hollow light-emitting prism surrounded by an LED light board, but the structure of the light-emitting prism is troublesome and is prone to occur during actual assembly. Errors, which in turn affect the lighting effect.

Summary of the invention

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an LED bulb capable of expanding the illumination direction and the illumination angle of the light source, eliminating the dark area of the illumination of the light source, and enhancing the illumination effect.

The technical problem of the utility model is achieved by the following technical solutions:

An LED bulb comprising a conductive lamp cap, a lamp holder mounted on the conductive lamp cap, a lamp source mounted on the lamp holder, a lamp cover mounted on the lamp holder and enclosing the lamp source, and being mounted on the conductive lamp cap and the lamp holder The LED driving circuit board; the lamp source comprises a lamp source holder and an illuminator, wherein the illuminant is electrically connected to the LED driving circuit board, wherein the illuminating body is a polygonal prism mounted on the lamp source base The aluminum substrate and a plurality of LED light-emitting panels respectively disposed on each of the side edge surfaces of the polygonal prism aluminum substrate and surrounding the circumference are formed, and an LED light-emitting panel is also provided on the top surface of the polygonal prism aluminum substrate for sealing.

The illuminant is a regular triangular prism or a regular quadrangular cylinder or a regular pentagonal cylinder or a regular hexagonal cylinder.

The light source seat is provided with an inner cover for enclosing the illuminant body, and a shackle and a buckle block which are detachably fastened and connected are respectively disposed on the inner wall of the inner cover which is in contact with each other and the outer wall of the light source seat.

The inner cover is a transparent inner cover.

The lampshade is a transparent lampshade or a frosted lampshade.

A lamp socket is disposed between the conductive lamp cap and the lamp holder.

Compared with the prior art, the utility model mainly designs the illuminant in the light source to be composed of a multi-prism aluminum substrate and a plurality of correspondingly disposed on each side edge surface of the polygonal prism aluminum substrate and is arranged around the circle. The LED illuminating plate is formed, and the LED illuminating plate is also arranged on the top surface of the polygonal prism aluminum substrate for sealing. The illuminating body adopting the polyhedral prism structure can improve the illumination direction and the irradiation angle of the light source, and effectively eliminate the light source. The dark area of the illumination greatly enhances the lighting effect, and the polygonal prism structure of the illuminant is simple and convenient.

DRAWINGS

Figure 1 is a schematic cross-sectional view of the utility model.

2 is a schematic perspective view of a light source.

Figure 3 is an enlarged view of the structure of the buckle groove on the inner cover.

Figure 4 is an enlarged view of the structure of the buckle block on the lamp source base.

Fig. 5 is a cross-sectional structural view of the pin holder.

detailed description

The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

As shown in Figure 1 to Figure 5, 1. Conductive lamp holder, 2. lamp holder, 3. LED driver circuit board, 4. lamp holder, 41. connection slot, 5. pin holder, 51. jack, 6. lampshade 7. Inner cover, 71. buckle groove, 8. light source, 81. illuminant, 811. LED illuminating plate, 812. multi-prism aluminum substrate, 82. lamp holder, 821. buckle, 83. conductive pin, 9. Conductive socket.

LED bulb, as shown in Figure 1, is a common lighting component in people's daily life, its structure is mainly composed of conductive lamp cap 1, lamp holder 2, lamp holder 4, lamp source 8, lampshade 6 and LED driver circuit board 3. And so on.

The conductive lamp cap 1 is mounted on a lamp holder (not shown) in the circuit structure, and has various connection specifications and can be designed as a snap-on connection structure or an externally-threaded connection structure according to actual installation requirements; The lamp holder sleeve 2 and the lamp holder 4 are both hollow structures which are internally connected to the upper and lower sides. The lamp holder sleeve 2 is made of ceramic insulating material, and the lamp holder 4 is made of aluminum alloy; the lamp holder is 4. The lamp holder sleeve 2 and the conductive lamp holder 1 are sequentially connected and fixed into one body.

The top surface of the socket 4 is a circular surface, and an annular connecting groove 41 centered on the center of the circular surface is disposed on the periphery of the top surface of the socket, and a lamp cover 6 is mounted in the annular connecting groove. It is a transparent lampshade or frosted lampshade made of glass or plastic, and its shape is designed as a spherical shape, a candle type or other various objects according to actual needs; the center of the top surface of the lamp holder 4 is extended upward. And above the circular mounting groove of the connecting groove 41, the bottom of the groove of the mounting groove is provided with a pin seat 5 which is matched with the mounting groove and fixed by glue, and the pin seat is made of plastic insulating material as shown in FIG. In the pin base 5, two jacks 51 are disposed at a distance ranging from a standard size, and a copper conductive socket 9 tightly mounted is disposed in each of the jacks 51.

The LED driving circuit board 3 is disposed by the conductive lamp holder 1, the lamp holder 2, the lamp holder 4 and the pin holder 5 In the closed internal cavity of the surface, the LED driving circuit board 3 is electrically connected to the conductive lamp head 1 and the two conductive sockets 9, respectively.

The lamp source 8 is as shown in FIG. 2, and is composed of an integrated lamp source holder 82 and an illuminator 81.

The light source holder 82 is also made of aluminum alloy, and is mounted in the mounting groove of the lamp holder 4. On the bottom surface of the lamp source block 82, two exposed copper conductive pins 83 are provided, and the distance between the two conductive pins is The distance is the same as the jack 51 on the two pin bases 5. After the light source base 82 is fitted in the mounting slot, the two conductive pins 83 are respectively inserted into the two jacks 51 and are inside the jacks. The conductive socket 9 forms an electrical conductor. At the same time, the two conductive pins 83 and the two jacks 51 can be arranged without any further positioning, because the LED bulb can improve the internal circuit structure, so that the two conductive pins 83 can be It can be inserted into the jack 51 regardless of the positive and negative positions, and can achieve normal conductive communication.

The illuminator 81 is a multi-prism aluminum substrate 812 mounted on the lamp source holder 82, and a plurality of LED illuminating plates respectively disposed on the respective side faces of the polygonal prism aluminum substrate 812 and rounded around the circumference. In the case of 811, an LED light-emitting panel 811 is also provided on the top surface of the polygonal prism aluminum substrate 812 for sealing. The above structure adopts the advanced COB silicon wafer integration usage technology, and can directly bind a plurality of LED light-emitting panels 811 on the aluminum substrate, so that the thermal conductivity of the aluminum substrate can be fully utilized, so that the internal temperature is better adjusted, thereby reducing the LED illumination. The chip temperature of the board 811 extends the service life, and the polygonal prism structure of the illuminator 81 is also simpler and more convenient.

The prism structure of the illuminator 81 is mainly based on the determination of the polygonal prism aluminum substrate 812 to provide a corresponding number of LED illuminating panels 811. If a positive triangular prism aluminum substrate is used, three LED illuminating panels and a triangular shaped top surface LED are required to be illuminated. If the plate is enclosed or a square prismatic aluminum substrate is used, four LED illuminating plates and a rectangular top LED illuminating plate are required to be enclosed, or a positive five-prism aluminum substrate is required, and five LED illuminating plates are required. The five-sided top LED illuminating panel is enclosed, or a hexagonal prismatic aluminum substrate is used, and six LED illuminating panels and a hexagonal top LED illuminating panel are required to be enclosed, and the illuminants 81 are generally The use of positive quadrangular prisms is mainly used to reduce manufacturing costs and achieve better lighting effects. Each of the LED illuminating plates 811 constituting the polygonal prism structure is electrically connected to the two conductive legs 83. The polyhedral prism structure is used as the illuminator 81, which can break through the limitation of the inherent structure of the LED illuminating plate 811, and is changed from planar illumination. 360° stereo illumination can improve the illumination direction and illumination angle of the illuminant 81, and can effectively eliminate the dark area of illumination and enhance the illumination effect.

The light source base 82 is provided with an inner cover 7 for enclosing the illuminant 81. The inner cover is made of transparent glass or transparent plastic, and is made of a transparent inner cover. The inner wall and the light source of the inner cover 7 are in contact with each other. The outer wall of the seat 82 is respectively provided with a ring-shaped, detachably fastened buckle groove 71 and a buckle block 821 as shown in FIG. 3 and FIG. 4, which facilitates the connection or disassembly of the inner cover 7 and the light source seat 82.

The above description is only a preferred embodiment of the present invention, and therefore, according to the scope of the present invention, Equivalent changes or modifications made to the structure, features and principles are included in the scope of the present patent application.

Claims

An LED bulb comprising a conductive lamp holder (1), a lamp holder (4) mounted on the lamp holder, a lamp source (8) mounted on the lamp holder, mounted on the lamp holder (4) and the lamp source (8) a lampshade (6) enclosed therein, and an LED drive circuit board (3) mounted in the conductive lamp head (1) and the lamp holder (4); the lamp source (8) includes a lamp source holder (82) and An illuminant (81) electrically connected to the LED driving circuit board (3), characterized in that the illuminating body (81) is a polygonal prism aluminum substrate mounted on the lamp source holder (82) (812), and a plurality of LED illuminating plates (811) respectively disposed on each side edge surface of the polygonal prism aluminum substrate (812) and rounded around, on the top surface of the polygonal prism aluminum substrate (812) There is also an LED illuminating panel (811) for closure.
The LED light bulb according to claim 1, characterized in that the illuminant (81) is a regular triangular prism or a regular square prism or a regular pentagonal cylinder or a regular hexagonal cylinder.
The LED light bulb according to claim 1, wherein said light source holder (82) is provided with an inner cover (7) for enclosing said illuminant (81), and an inner cover which is in contact with each other ( 7) The inner wall and the outer wall of the light source seat (82) are respectively provided with a buckle groove (71) and a buckle block (821) which are detachably connected.
The LED light bulb according to claim 3, characterized in that the inner cover (7) is a transparent inner cover.
The LED light bulb according to claim 1, characterized in that the lampshade (6) is a transparent lampshade or a frosted lampshade.
The LED light bulb according to any one of claims 1 to 5, characterized in that a lamp holder (2) is arranged between the conductive lamp cap (1) and the lamp holder (4).