CN202302855U - LED (light-emitting diode) bulb lamp - Google Patents

Abstract

The utility model discloses an LED (light-emitting diode) bulb lamp. The LED bulb lamp comprises a lamp head, an LED light source, a light-permeable lamp shade and a radiating structure, wherein the radiating structure comprises a radiating hood and a radiator positioned inside the radiating hood; a radiating space is formed between the radiating hood and the radiator; a plurality of radiating posts which are close to the LED light source and stretch into the radiating space are arranged on the radiator; and a plurality of radiating slots which are communicated with the radiating space are arranged on the radiating hood. By arranging the radiating hood, the LED bulb lamp is provided with the radiating space between the radiating hood and the radiator, and the radiating slots on the radiating hood provide an open convection environment for the LED bulb lamp; and by arranging the radiating posts close to the LED light source, heat gathering around the LED light source is transferred to the convection environment and is exchanged with air outside the LED bulb lamp through the radiating slots, so that the quick radiation can be realized and the heat accumulation can be prevented.

Description

A kind of LED bulb lamp

Technical field

The utility model relates to a kind of LED bulb lamp, relates in particular to a kind of LED bulb lamp with radiator structure.

Background technology

The LED lamp is a kind of novel energy-saving illumination light source, and it has the luminous efficiency height, the life-span is long, radiation is low, voltage is low, volume is little, toggle speed is fast, safety, energy-conserving and environment-protective, antidetonation resistance to compression, characteristics such as easy to control.The kind of LED light fixture is a lot, comprises LED bulb lamp, LED tube lamp, LED Solar lamp or the like.The core luminous component of LED lamp is the LED tube core, and the LED tube core can produce great amount of heat in the work, and the untimely heat of draining will impact the service life of LED tube core, and this also is to influence the LED principal element in service life.

In order to address this problem, most of LED lamps all are equipped with radiator, have solved heat dissipation problem to a certain extent.At present, in the structure of existing LED bulb lamp, led chip is welded on the PCB circuit board, and said PCB circuit board bottom connects radiator.Said radiator adopts tubular structure, and the bottom of said radiator directly connects the lamp holder of LED bulb lamp, and in airtight space of the inner formation of PCB circuit board, lamp holder and radiator, the LED bulb lamp mainly relies on this airtight space to dispel the heat.This radiating mode can't be realized heat loss through convection; Heat can only flow in airtight interior volume, can not be taken out of the LED bulb lamp very soon, makes LED bulb lamp inside keep higher temperature for a long time; Cause radiating efficiency low, can not fundamentally solve the heat dissipation problem of LED bulb lamp.

Therefore, to above-mentioned technical problem, be necessary to provide a kind of structure improved LED bulb lamp that has, to overcome above-mentioned defective.

The utility model content

In view of this, the utility model provides a kind of LED bulb lamp, and this LED bulb lamp is provided with an open convection environment, by this convection environment the internal heat and the LED bulb lamp extraneous air of LED bulb lamp is carried out heat exchange, realizes heat radiation rapidly.

For realizing above-mentioned purpose, the utility model provides following technical scheme:

A kind of LED bulb lamp; It comprises lamp holder, led light source, transparent lamp shade and radiator structure; The radiator that said radiator structure comprises heat dissipating housing and is positioned at heat dissipating housing; Be formed with a heat-dissipating space between said heat dissipating housing and the radiator, said radiator is provided with near led light source and protrudes into the some thermal columns in the heat-dissipating space, and said heat dissipating housing is provided with some radiating grooves that are communicated with heat-dissipating space.

Preferably, in above-mentioned LED bulb lamp, said thermal column is intervally arranged and surrounds two circles, this two circles thermal column be respectively near the inner ring thermal column in radiator centre position and relatively the inner ring thermal column away from the outer ring thermal column in radiator centre position.

Preferably, in above-mentioned LED bulb lamp, the development length of said outer ring thermal column is greater than the development length of inner ring thermal column.

Preferably, in above-mentioned LED bulb lamp, the extension starting point of the relative inner ring thermal column of extension starting point of said outer ring thermal column is more near led light source.

Preferably; In above-mentioned LED bulb lamp; Said heat dissipating housing comprises the round base portion of hollow and the some radiator shutters that extend from the outside flare of circular base portion, and said some radiator shutters evenly distribute, and are provided with the heat radiation space that is communicated with heat-dissipating space between said adjacent two radiator shutters.

Preferably, in above-mentioned LED bulb lamp, said radiating groove is formed on the radiator shutter, and the extending end towards radiator shutter extends said radiating groove from circular base portion, but the extending end of no show radiator shutter.

Preferably, in above-mentioned LED bulb lamp, said radiator shutter is provided with some radiating ribs towards the one side of heat-dissipating space, and said some radiating ribs are arranged in the both sides of radiating groove respectively.

Preferably, in above-mentioned LED bulb lamp, said radiating ribs is provided with buckle slot, and said LED bulb lamp comprises that also said catoptric arrangement is provided with the clamping part that holds each other with buckle slot in order to reflection LED reflection of light structure.

Can find out from technique scheme; The LED bulb lamp of the utility model embodiment is through being provided with heat dissipating housing; Between heat dissipating housing and radiator, form heat-dissipating space, the radiating groove on the heat dissipating housing provides an open convection environment for the LED bulb lamp, and through the thermal column near led light source is set; The heat of concentrating around the led light source is delivered in the convection environment; By radiating groove these heats and LED bulb lamp air outside are carried out heat exchange then, thereby realize heat radiation rapidly, prevent that heat from overstocking.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing of the relevant the utility model in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the schematic perspective view of the utility model LED bulb lamp;

Fig. 2 is the cutaway view of radiator structure and lamp holder combination in the utility model LED bulb lamp;

Fig. 3 is the partial sectional view of radiator structure in the utility model LED bulb lamp, led light source and circuit board combination;

Fig. 4 is the cutaway view of led light source in the utility model LED bulb lamp, circuit board, reflecting mechanism and transparent lamp shade combination;

Fig. 5 is the three-dimensional exploded view of the utility model LED bulb lamp removal lamp holder;

Fig. 6 is the three-dimensional exploded view of the utility model LED bulb lamp;

Fig. 7 is the schematic perspective view of catoptric arrangement in the utility model LED bulb lamp.

Wherein: 100,LED bulb lamp 1,lamp holder 2,led light source 3,circuit board 4,transparent lamp shade 5,radiator structure 51, heatdissipating housing 511,round base portion 512,radiator shutter 513,heat radiation space 514,radiating groove 515,radiating ribs 516,buckle slot 52,radiator 53, heat-dissipating space 54,thermal column 541, inner ringthermal column 542, outer ringthermal column 6,catoptric arrangement 61, clamping part

The specific embodiment

To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out detailed description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.

The utility model discloses a kind of LED bulb lamp; This LED bulb lamp is through being provided with heat dissipating housing; Between heat dissipating housing and radiator, form heat-dissipating space, the radiating groove on the heat dissipating housing provides an open convection environment for the LED bulb lamp, and through the thermal column near led light source is set; The heat of concentrating around the led light source is delivered in the convection environment; By radiating groove these heats and LED bulb lamp air outside are carried out heat exchange then, thereby realize heat radiation rapidly, prevent that heat from overstocking.

See also Fig. 1 to shown in Figure 6,radiator structure 5 andcatoptric arrangement 6 that saidLED bulb lamp 100 compriseslamp holder 1, ledlight source 2, thecircuit board 3 ofled light source 2 is installed, cover on the peripheraltransparent lamp shade 4 ofled light source 2, link together with lamp holder 1.One end of saidcatoptric arrangement 6 is connected withradiator structure 5, and the other end of saidcatoptric arrangement 6 is connected withtransparent lamp shade 4.

See also Fig. 1 to shown in Figure 3, saidradiator structure 5 comprises theheat dissipating housing 51 of hollow and theradiator 52 that is positioned at heat dissipating housing 51.Be formed with a heat-dissipatingspace 53 between saidheat dissipating housing 51 and the radiator 52.Saidheat dissipating housing 51 comprises theround base portion 511 of hollow and the someradiator shutters 512 that extend fromcircular base portion 511 outside flares.Saidround base portion 511 is connected with lamp holder 1.Said someradiator shutters 512 evenly distribute.

Please continue to consult Fig. 1 to shown in Figure 3, be provided with theheat radiation space 513 that is communicated with heat-dissipatingspace 53 between said adjacent two radiator shutters 512.Each saidradiator shutter 512 is provided with theradiating groove 514 that lengthwise extends; Extending end towardsradiator shutter 512 extends said radiatinggroove 514 fromcircular base portion 511; But the extending end of noshow radiator shutter 512, said radiatinggroove 514 connectsradiator shutter 512 and is communicated with heat-dissipating space 53.So be provided with; Through radiatinggroove 514 and theheat radiation gap 513 that is communicated with heat-dissipatingspace 53 is set, help the inner air and the mutual convection current of extraneous air ofLED bulb lamp 100, forLED bulb lamp 100 provides an open convection environment; According to heat exchange principle; This convection environment can be carried out heat exchange withLED bulb lamp 100 inner heat andLED bulb lamp 100 air outside, thereby realizes heat radiation rapidly, prevents that heat from overstocking.

See also Fig. 1 and shown in Figure 3, saidradiator shutter 512 comprises six, and each saidradiator shutter 512 is provided with someradiating ribs 515 towards the one side of heat-dissipatingspace 53, and said someradiating ribs 515 are arranged in the both sides of radiatinggroove 514 respectively.So be provided with, through sixradiator shutters 512 are set, with heat dissipation regionization; Help taking away fast and effectively the waste heat onheat dissipating housing 51 surfaces more; And through someradiating ribs 515 are set, helpLED bulb lamp 100 inner part heats are passed on theheat dissipating housing 51, the heat that will be delivered on theheat dissipating housing 51 throughLED bulb lamp 100 air outside is then taken away; Accelerate radiating rate, improved radiating efficiency.

See also Fig. 2 and shown in Figure 7, saidradiating ribs 515 is provided withbuckle slot 516, and saidcatoptric arrangement 6 is provided with theclamping part 61 that holds each other withbuckle slot 516, so is provided with, andcatoptric arrangement 6 andradiator structure 5 are linked together.

See also Fig. 3 and shown in Figure 5, saidradiator 52 is provided with thethermal column 54 that protrudes in the heat-dissipating space 53.Saidthermal column 54 is intervally arranged and surrounds two circles, this two circlesthermal column 54 be respectively near the inner ringthermal column 541 inradiator 52 centre positions and relatively inner ringthermal column 541 away from the outer ringthermal column 542 inradiator 52 centre positions.The extension starting point of the relative inner ringthermal column 541 of extension starting point of said outer ringthermal column 542 is more near led light source 2.Because ledlight source 2 is heaters, thus concentrated more the closer to the local heat of ledlight source 2, and the extension starting point of the relative inner ringthermal column 541 of extension starting point of outer ringthermal column 542 is more nearled light source 2; Therefore; In theLED bulb lamp 100 of the utility model embodiment the development length of outer ringthermal column 542 is arranged to the development length greater than inner ringthermal column 541, so is provided with, help outer ringthermal column 542 as early as possible the heat of concentrating to be delivered in the heat-dissipating space 53; Then by the mutual convection current of the inner air and the extraneous air ofLED bulb lamp 100;LED bulb lamp 100 inner heat andLED bulb lamp 100 air outside are carried out heat exchange, thereby realize heat radiation rapidly, prevent that heat from overstocking; Accelerate radiating rate, improved radiating efficiency.

TheLED bulb lamp 100 of the utility model embodiment is through being provided withheat dissipating housing 51; Betweenheat dissipating housing 51 andradiator 52, form heat-dissipating space 53; And through radiatinggroove 514 and theheat radiation gap 513 that is communicated with heat-dissipatingspace 53 is set; ForLED bulb lamp 100 provides an open convection environment, according to heat exchange principle, this convection environment can be carried out heat exchange with the internal heat ofLED bulb lamp 100 and the extraneous air ofLED bulb lamp 100; Thereby realize heat radiation rapidly, prevent that heat from overstocking.

The LED bulb lamp of the utility model embodiment is through being provided with sixradiator shutters 512; With heat dissipation regionization, help taking away fast and effectively the waste heat onheat dissipating housing 51 surfaces more, and through someradiating ribs 515 are set; HelpLED bulb lamp 100 inner part heats are passed on theheat dissipating housing 51; The heat that will be delivered on theheat dissipating housing 51 throughLED bulb lamp 100 air outside is then taken away, and has accelerated radiating rate, has improved radiating efficiency.

TheLED bulb lamp 100 of the utility model embodiment protrudes into inner ringthermal column 541 and outer ringthermal column 542 in the heat-dissipatingspace 53 through setting; Help and to be delivered near the heat of ledlight source 2 in the heat-dissipatingspace 53; And; Through will be more being arranged to development length greater than inner ringthermal column 541 near the development length of the outer ringthermal column 542 ofled light source 2; Help outer ringthermal column 542 as early as possible the heat of concentrating to be delivered in the heat-dissipatingspace 53, by the mutual convection current of inner air and the extraneous air ofLED bulb lamp 100, the heat andLED bulb lamp 100 air outside ofLED bulb lamp 100 inside are carried out heat exchange then; Thereby realize heat radiation rapidly, prevent that heat from overstocking.

To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (8)

1. a LED bulb lamp (100); It comprises lamp holder (1), led light source (2), transparent lamp shade (4) and radiator structure (5); It is characterized in that: the radiator (52) that said radiator structure (5) comprises heat dissipating housing (51) and is positioned at heat dissipating housing (51); Be formed with a heat-dissipating space (53) between said heat dissipating housing (51) and the radiator (52); Said radiator (52) is provided with near led light source (2) and protrudes into the some thermal columns (54) in the heat-dissipating space (53), and said heat dissipating housing (51) is provided with some radiating grooves (514) that are communicated with heat-dissipating space (53).

2. according to the said LED bulb lamp of claim 1; It is characterized in that: said thermal column (54) is intervally arranged and surrounds two circles, this two circle thermal column (54) be respectively near the inner ring thermal column (541) in radiator (52) centre position and relatively inner ring thermal column (541) away from the outer ring thermal column (542) in radiator (52) centre position.

3. according to the said LED bulb lamp of claim 2, it is characterized in that: the development length of said outer ring thermal column (542) is greater than the development length of inner ring thermal column (541).

4. according to the said LED bulb lamp of claim 3, it is characterized in that: the extension starting point of the relative inner ring thermal column of the extension starting point of said outer ring thermal column (542) (541) is more near led light source (2).

5. according to the said LED bulb lamp of claim 1; It is characterized in that: said heat dissipating housing (51) comprises the round base portion (511) of hollow and the some radiator shutters (512) that extend from the outside flare of circular base portion (511); Said some radiator shutters (512) evenly distribute, and are provided with the heat radiation space (513) that is communicated with heat-dissipating space (53) between said adjacent two radiator shutters (512).

6. according to the said LED bulb lamp of claim 5; It is characterized in that: said radiating groove (514) is formed on the radiator shutter (512); Extending end towards radiator shutter (512) extends said radiating groove (514) from circular base portion (511), but the extending end of no show radiator shutter (512).

7. according to the said LED bulb lamp of claim 6, it is characterized in that: said radiator shutter (512) is provided with some radiating ribs (515) towards the one side of heat-dissipating space (53), and said some radiating ribs (515) are arranged in the both sides of radiating groove (514) respectively.

8. according to the said LED bulb lamp of claim 7; It is characterized in that: said radiating ribs (515) is provided with buckle slot (516); Said LED bulb lamp (100) comprises that also said catoptric arrangement (6) is provided with the clamping part (61) that holds each other with buckle slot (516) in order to reflection LED reflection of light structure (6).

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