CN201866566U

CN201866566U - Improved structure of LED bulb

Info

Publication number: CN201866566U
Application number: CN2010205644197U
Authority: CN
Inventors: 张立群; 种村谦三郎
Original assignee: Crownmate Tech Co Ltd
Current assignee: Crownmate Tech Co Ltd
Priority date: 2010-10-15
Filing date: 2010-10-15
Publication date: 2011-06-15
Anticipated expiration: 2020-10-15

Abstract

The utility model discloses an improved structure of an LED bulb, which includes a hollow plastic casing seat, a light emitting device and a plastic transparent casing. A first combination part is arranged on the top edge of the casing seat, and an electrical connector is combined at the bottom of the casing seat; the light emitting device is arranged in the casing seat and includes at least a circuit board and at least a light emitting diode, the light emitting diode is arranged on the circuit board and is electrically connected with the circuit board, and the circuit board is electrically connected with the electrical connector; and a second combination part is arranged on the bottom edge of the transparent casing and corresponds to the first combination part of the casing seat, and the second combination part and the first combination part are welded and packed tightly through the ultrasonic wave technique. Therefore, the improved structure is high in air-tightness, light, safe, and cheaper in cost, and the illumination range is enlarged.

Description

LED bulb structure-improved

Technical field

The utility model relates to a kind of LED bulb structure-improved, is meant a kind of LED bulb structure-improved that utilizes ultrasonic technology to weld especially.

Background technology

Because light emitting diode (Light Emitting Diode; Hereinafter to be referred as LED) to have a volume little, reaction speed is fast, power consumption is low, advantages such as long service life, thereby extensively apply to the employed electronic product of people now, or even on the people's livelihood consumer products, wherein, especially at most with this light fixture product utilization, general light fixture is by a seat board, at least one lamp socket and at least one bulb are formed, and for carbon reduction to meet environmental protection policy now, promptly replacing traditional osram lamp with the LED bulb uses, but known LED bulb, be to adopt the glass material manufacturing, and for the heat energy that LED produced of inside is derived, combine heat dissipation element again in the electrical joint of light bulb base and make known LED bulb have following shortcoming:

1. because this bulb is to make with glass material, remove the frangible danger that causes, also can make overall weight heavier.

2. because the electrical joint of this bulb and its bottom is bonding with sticker, seal is lower, when in outdoor or particular job occasion, using, easily invade the accident or cause problems such as internal circuit and component wear inefficacy of taking place to get an electric shock because of moisture or corrosive gas (for example ammonia, stink damp etc.).

3. owing to LED directive property height, difficult being applied to need be than the occasion of wide illumination zone.

In view of this, the utility model people is think of, the design team's system of grinding with great concentration, and the phase can provide a kind of LED bulb structure-improved that has seal height, safety and increase illumination zone, to improve its practicality, is the creation motivation that the utility model desires to grind wound.

The utility model content

Main purpose of the present utility model, be to provide a kind of LED of having bulb structure-improved, weld driving fit by a hollow plastic shell block and a plastics printing opacity clamshell with ultrasonic technology, with the effectiveness that has seal height, light and handy, safety and reduce cost, and then increase this novel practicality and convenience.

Secondary objective of the present utility model, be to provide a kind of LED bulb structure-improved, include at least one circuit board and at least one light emitting diode by a light-emitting device, described

light emitting diode

22A, 22B, 22C arrange radially, having the effectiveness that increases illumination zone, and then increase this novel practicality and progressive.

For reaching above-mentioned purpose, the utility model is a kind of LED bulb structure-improved, and it comprises: a hollow plastic shell block, and the apical margin of this shell block is provided with first joint portion, and the bottom of this shell block is to be combined with an electrical joint; One light-emitting device is to be arranged in this shell block, includes at least one circuit board and at least one light emitting diode, and this light emitting diode is to be arranged on this circuit board and with this circuit board to electrically connect, and this circuit board is to electrically connect with this electrical joint; And a plastics printing opacity clamshell, the root edge of this printing opacity clamshell is provided with second joint portion, is corresponding mutually with first joint portion of this shell block and welds driving fit with ultrasonic technology.

Wherein, the bottom of this shell block extend to form a body and with the mutual corresponding combination of this electrical joint.

Wherein, this body is provided with external screw thread, and this electrical joint is provided with internal thread, makes this body and this electrical joint screw togather mutually.

Wherein, folder is established at least one O shape ring between this body and this electrical joint.

Wherein, be equipped with a power supply circuit on this circuit board.

Wherein, a plurality of light emitting diodes are set on this circuit board, each light emitting diode has a plurality of branch connecting pins, and is combined with a cover body.

Wherein, this cover body is the shell shape.

Wherein, described light emitting diode is arranged radially.

The beneficial effects of the utility model are: have in light weight, anti-collision, conduction insulation and can seal fully to reach the effect that dustproof, waterproof and anti-gas are invaded, can have the illumination effect of high brightness and the advantage of illumination zone again.

Description of drawings

In order further to understand feature of the present utility model, characteristics and technology contents, see also following about detailed description of the present utility model and accompanying drawing, only appended graphic only provide with reference to and explanation usefulness, non-in order to restriction the utility model, wherein:

Fig. 1 is the schematic side view for the utility model first embodiment.

Fig. 2 is the cross sectional side view for the utility model first embodiment.

Fig. 3 is the schematic perspective view that the printing opacity clamshell for first embodiment separates with shell block.

Fig. 4 is the schematic diagram that welds driving fit for the clamshell of Fig. 2 and shell block with ultrasonic technology.

Fig. 5 to Fig. 7 is the user mode schematic diagram for second embodiment.

The specific embodiment

First embodiment

Seeing also Fig. 1 to shown in Figure 4, is to include a hollow plastic shell block 10, a light-emitting device 20 and a plastics printing opacity clamshell 30.

The apical margin of this shell block 10 is provided with first joint portion 11 (can be a recess or protuberance), and the bottom of this shell block 10 is to be combined with an electrical joint 12.

This light-emitting device 20 is to be arranged in this shell block 10, include at least one circuit board 21 and at least one light emitting diode 22, this light emitting diode 22 is to be arranged on this circuit board 21 and with this circuit board 21 to electrically connect, and this circuit board 21 is to electrically connect with this electrical joint 12, for the required electric power of described light emitting diode 22 is provided, be to be equipped with a power supply circuit 23 (being to convert dc source to) on this circuit board 21 again for AC power.

The root edge of this printing opacity clamshell 30 is provided with second joint portion 31 (can be a recess or protuberance), be corresponding mutually and weld driving fit (radius of this first joint portion 11 is bigger or is slightly less than this second joint portion 31, to form preposition chimeric operation) with ultrasonic technology with first joint portion 11 of this shell block 10.This shell block 10 and this printing opacity clamshell 30 are combined into one, and driving fit fully between the two, this hollow plastic shell block 10 and plastics printing opacity clamshell 30, compared to the bulb of known glass material, the effect that has light and handy, safety and reduce cost.

In above-mentioned, the bottom of this shell block 10 be extend to form a body 13 and with these electrical joint 12 mutual corresponding combinations; This body 13 is to be provided with external screw thread 14 again, and this electrical joint 12 is to be provided with internal thread 15, and this body 13 screws togather mutually with this electrical joint 12; And be that folder is established at least one O shape ring 16 between this body 13 and this electrical joint 12, make integral body reach airtight effect, add that this a hollow plastic shell block 10 and a plastics printing opacity clamshell 30 weld driving fit with ultrasonic technology, make to have the high effect of seal.

And embodiment of the present utility model, this circuit board 21 is to include a first circuit board 21A and a second circuit board 21B, and this first circuit board 21A electrically connects with this light emitting diode 22, this first circuit board 21A is provided with for this light emitting diode 22, this second circuit board 21B is provided with other electron component, this electronic component is as electric capacity, resistance, IC element, transistor etc., and circuit board 21 also is equipped with power supply circuit 23 power supply unit of power supply circuit 23 (or have).

Second embodiment

See also Fig. 5 to shown in Figure 7, be that a plurality of light emitting diodes 22 are set on this circuit board 21, described light emitting diode 22 is arranged in the pattern on this circuit board 21, except shown in first embodiment be arrange in the form of a ring, also can be as shown in this embodiment, be to arrange radially, to increase the effect of illumination zone, each light emitting diode 22 has a plurality of branch connecting pins 221 (can length height different modes be provided with), and be to be combined with a cover body 222, this cover body 222 is to adopt the lens arrangement that forms with epoxy encapsulation, by the lighting angle (or irradiating angle) of shape that changes this cover body 222 to change this light emitting diode 22, and in order to make this light emitting diode 22 can be towards the specific direction throw light, or form specific luminous intensity (Luminous intensity), illumination (Illuminance), illumination such as briliancy (Luminance) effect, therefore these cover body 222 designs are the shell shape, make described light emitting diode 22 include the cover body 222 of different size, be provided with from inside to outside and (also can be provided with from inside to outside, or be crisscross arranged) the first light emitting diode 22A, the second light emitting diode 22B and the 3rd light emitting diode 22C, the cover body 222 of this first light emitting diode 22A is shorter, the cover body 222 of this second light emitting diode 22B is more elongated, the cover body 222 of the 3rd light emitting diode 22C is up-narrow and down-wide, make the effect that has adjustable lay the grain type and increase illumination zone, yet cover body of the present utility model 222 is not limited to length, short, fat, thin shape is implemented.

The above only is a preferable possible embodiments of the present utility model, non-so promptly limit to claim of the present utility model, the equivalent structure that every utilization the utility model specification and accompanying drawing content are done changes, and all reason is with being contained in the claim scope of the present utility model.

Claims

1. LED bulb structure-improved is characterized in that it comprises:

One hollow plastic shell block, the apical margin of this shell block is provided with first joint portion, and the bottom of this shell block is combined with an electrical joint;

One light-emitting device is arranged in this shell block, includes at least one circuit board and at least one light emitting diode, and this light emitting diode is arranged on this circuit board and with this circuit board and electrically connects, and this circuit board electrically connects with this electrical joint; And

One plastics printing opacity clamshell, the root edge of this printing opacity clamshell is provided with second joint portion, and is corresponding mutually with first joint portion of this shell block and weld driving fit with ultrasonic technology.

2. LED bulb structure-improved as claimed in claim 1 is characterized in that, wherein, the bottom of this shell block extend to form a body and with the mutual corresponding combination of this electrical joint.

3. LED bulb structure-improved as claimed in claim 2 is characterized in that wherein, this body is provided with external screw thread, and this electrical joint is provided with internal thread, makes this body and this electrical joint screw togather mutually.

4. LED bulb structure-improved as claimed in claim 3 is characterized in that, wherein, folder is established at least one O shape ring between this body and this electrical joint.

5. LED bulb structure-improved as claimed in claim 1 is characterized in that, wherein, is equipped with a power supply circuit on this circuit board.

6. LED bulb structure-improved as claimed in claim 1 is characterized in that, wherein, a plurality of light emitting diodes is set on this circuit board, and each light emitting diode has a plurality of branch connecting pins, and is combined with a cover body.

7. LED bulb structure-improved as claimed in claim 6 is characterized in that wherein, this cover body is the shell shape.

8. LED bulb structure-improved as claimed in claim 6 is characterized in that wherein, described light emitting diode is arranged radially.