CN203147373U

CN203147373U - LED (light-emitting diode) bulb with high heat-dissipation efficiency

Info

Publication number: CN203147373U
Application number: CN201320078641XU
Authority: CN
Inventors: 陈美霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-20
Filing date: 2013-02-20
Publication date: 2013-08-21
Anticipated expiration: 2023-02-20

Abstract

The utility model discloses an LED (light-emitting diode) bulb with high heat dissipation efficiency. The LED bulb comprises a radiator, a lamp holder, an LED light source structure and a light-transmitting shade which are connected in sequence from bottom to up, and also comprises a drive device which is arranged in the radiator, wherein multiple heat dissipation measures are arranged in the LED bulb; the upper end of the light-transmitting shade is provided with a heat dissipation opening; a hollow structure is arranged inside the radiator; a first air vent, a first ventilating slot, a second air vent and a second ventilating slot are arranged at the side of the radiator; a first heat dissipation fin and a second heat dissipation fin are arranged on the outer side wall of the radiator; and under the multiple measures, the heat dissipation efficiency of the LED bulb is enabled to be very high, and the heat dissipation effect is ideal, so that the condition that the heat is hoarded to a large extent is avoided, the heat dissipation problem of the LED bulb is effectively solved, and the service life of the LED bulb is prolonged.

Description

The LED bulb that a kind of radiating efficiency is high

Technical field

The utility model relates to the LED lighting field, the LED bulb that particularly a kind of radiating efficiency is high.

Background technology

Traditional bulb is incandescent light bulb, and its illumination is lower, and light is not bright, highly energy-consuming.Occurred the energy-saving fluorescent lamp bubble after incandescent light bulb, though it is energy-conservation, light is also comparatively bright, owing to use fluorescent material and not environmental protection in a large number.At present, the more LED bulb of energy-conserving and environment-protective has appearred, LED is different from that incandescent lamp is luminous, the principle of luminosity of the fluorescent material of energy-saving fluorescent lamp, it is a kind of semiconductor that electric energy is converted into luminous energy, have long, advantage such as light efficiency is high, radiationless, low energy consumption of life-span, the application that above-mentioned numerous advantages make the LED bulb more and more widely.But in the prior art, the heat dissipation problem of LED bulb is a major issue being badly in need of solution, and the quality of radiating effect is directly connected to illumination effect and the life-span of light fixture.The caloric value of LED lamp pearl is bigger, and the cooling measure of existing LED bulb is multifarious, major part is to promote heat radiation by installing radiator additional, but the contact area of existing Design of for heat sinks and air is little and can not take full advantage of air and flow to improve radiating efficiency, radiating effect is unsatisfactory, make that easily LED bulb internal temperature is more and more higher, finally shortened the service life of LED lamp pearl and drive unit greatly.

Therefore, how to realize that the high LED bulb of a kind of radiating efficiency is the technical problem that needs to be resolved hurrily in the industry.

Summary of the invention

Main purpose of the present utility model provides a kind of LED bulb, is intended to the LED bulb of realizing that a kind of radiating efficiency is high.

The utility model proposes the high LED bulb of a kind of radiating efficiency, the diffuser that be fixedly connected with radiator, lamp socket, led light source structure from the bottom to top successively, is connected in the lamp socket upper surface and the led light source structure is covered with, also comprise and place in the radiator and the drive unit that is electrically connected with the led light source structure, radiator is the hollow cylinder hole, and the hollow cylinder hole is divided into lower end cylindrical hole, the diameter upper end cylindrical hole bigger than lower end cylindrical hole that is interconnected; Radiator is divided into end portion, the upper part that is connected as a single entity, end portion is the turriform body, vertically evenly be provided with some first air vents on the external sidewall of turriform, vertically be provided with first ventilation slot on each first air vent, the external sidewall of turriform some first radiating fins that are Y-shaped that below first air vent, extend outwardly out; The upper part vertically evenly is provided with some second air vents between lateral wall and upper end cylindrical hole, upper end cylindrical hole sidewall vertically is provided with second ventilation slot that is communicated with second air vent and upper end cylindrical hole on the position corresponding with second air vent, the lateral wall of upper part some second radiating fins that are Y-shaped that extend outwardly out.

Preferably, drive unit and upper end cylindrical hole adaptive and place the upper end cylindrical hole in, the end portion sidewall of radiator is provided with the intercommunicating pore that is communicated with the lower end cylindrical hole.

Preferably, the corresponding setting with the position of second air vent of first air vent, the corresponding setting with the position of second ventilation slot of first ventilation slot.

Preferably, the LED bulb also comprises the bowl-shape reflector that is connected in the lamp socket upper surface and is left-hand thread, and glow cup upper end is provided with the through hole adaptive and that the led light source structure is enclosed with the led light source structure, and the reflector outer surface is coated with reflector layer.

Preferably, lamp socket upper surface center position up extends the chamber post that has cavity, and the cavity bottom is provided with threading hole, and lamp socket is provided with adaptive with the diffuser lower ending opening and the mutual annular slot that engages in the position that is connected with diffuser.

Preferably, the led light source structure comprises and is close to cavity bottom and the aluminium base base plate that is electrically connected with drive unit, is connected and fixed on light source fixed leg on the aluminium base base plate, somely evenly be located on the light source fixed leg side and the aluminium base batten that is electrically connected with aluminium base base plate, evenly be laid in LED lamp pearl on the aluminium base batten, and the quantity of the LED lamp pearl on each aluminium base batten is 2 to 10.

Preferably, the light source fixed leg evenly is provided with some sides, and each side is provided with adaptive and make the installation groove of aluminium base batten in being embedded at aluminium base batten, and the quantity of the side of light source fixed leg is 3 to 6.

Preferably, aluminium base base plate is provided with the breach that can supply lead to pass through in the position corresponding with the threading hole of cavity.

Preferably, the diffuser upper end is provided with and is communicated with outside thermovent.

Preferably, radiator and lamp socket are spirally connected fixing, radiator and the lamp socket structure that is formed in one, and make by the metal with thermal conductivity, metal adopts aluminium, copper or iron.

The appearance design novelty of the utility model LED bulb, and be provided with the multiple heat dissipation measure: the diffuser upper end is provided with thermovent, radiator inside is made as hollow structure, the radiator side is provided with first air vent, first ventilation slot, second air vent and second ventilation slot, also be provided with first radiating fin and second radiating fin on the radiator lateral wall, under the multiple measure, make the radiating efficiency of LED bulb very high, the radiating effect ideal, avoided hoarding in a large number of heat, efficiently solve the heat dissipation problem of LED bulb, prolonged the service life of LED bulb.

Description of drawings

Fig. 1 is the side view of an embodiment of the high LED bulb of a kind of radiating efficiency of the utility model;

Fig. 2 is the stereochemical structure decomposing schematic representation of an embodiment of the high LED bulb of a kind of radiating efficiency of the utility model;

Fig. 3 is one of perspective view of radiator among the embodiment of the high LED bulb of a kind of radiating efficiency of the utility model;

Fig. 4 be radiator among the embodiment of the high LED bulb of a kind of radiating efficiency of the utility model perspective view two.

The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.

The specific embodiment

Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

Referring to figs. 1 through Fig. 4, one embodiment of the high LED bulb of a kind of radiating efficiency of the present utility model is proposed, be fixedly connected with radiator 100, lamp socket 200, led light source structure 300 from the bottom to top successively, be connected in lamp socket 200 upper surfaces and with the diffuser 400 that led light source structure 300 is covered with, also comprise placing in the radiator 100 and the drive unit (accompanying drawing is not shown) that is electrically connected with led light source structure 300.The profile of diffuser 400, radiator 100 is set to the shape of kerosene lamp, makes whole light fixture seem classic exquisite, the outward appearance novelty, and sight is strong.In addition, diffuser 400 upper ends are provided with and are communicated with outside thermovent 401.

Radiator 100 is the hollow cylinder hole, and the hollow cylinder hole is divided into lower end cylinder 111, the diameter upper end cylindrical hole 121 bigger than lower end cylinder 111 holes that is interconnected.Drive unit and upper end cylindrical hole 121 are adaptive and place in the cylindrical hole 121 of upper end.

Radiator 100 is divided into end portion 110, the upper part 120 that is connected as a single entity, end portion 110 is the turriform body, vertically evenly be provided with some first air vents 112 on the external sidewall of turriform, vertically be provided with first ventilation slot 113 on each first air vent 112, the external sidewall of turriform some first radiating fins 114 that are Y-shaped that below first air vent 112, extend outwardly out, end portion 110 sidewalls are provided with the intercommunicating pore 115 that is communicated with lower end cylinder 111 holes; Upper part 120 vertically evenly is provided with some second air vents 122 between lateral wall and upper end cylindrical hole 121, upper end cylindrical hole 121 sidewalls vertically are provided with second ventilation slot 123 that is communicated with second air vent 122 and upper end cylindrical hole 121 on the position corresponding with second air vent 122, the lateral wall of upper part 120 some second radiating fins 124 that are Y-shaped that extend outwardly out.Wherein, the corresponding setting with the position of second air vent 122 of first air vent 112, the corresponding setting with the position of second ventilation slot 123 of first ventilation slot 113 helps to carry out on the air longitudinal direction convection current like this.

The LED bulb also comprises the bowl-shape reflector 500 that is connected in lamp socket 200 upper surfaces and is left-hand thread, glow cup upper end is provided with the through hole 501 adaptive and that led light source structure 300 is enclosed with led light source structure 300, and reflector 500 passes led light source structure 300 from top to bottom and places on lamp socket 200 upper surfaces.Reflector 500 outer surfaces are coated with reflector layer, and reflector 500 can reflect away light, strengthen light efficiency, improve light utilization.

Lamp socket 200 upper surface center positions up extend the chamber post 201 that has cavity 202, cavity 202 bottoms are provided with threading hole 203, and lamp socket 200 is provided with in the position that is connected with diffuser 400 and the adaptive and mutual annular slot that engages 204 of diffuser 400 lower ending openings.

Led light source structure 300 comprises the light source fixed leg 302 being close to cavity 202 bottoms and the aluminium base base plate 301 that is electrically connected with drive unit, being connected and fixed on aluminium base base plate 301 upper ends, somely evenly is located on light source fixed leg 302 sides and the aluminium base batten 303 that is electrically connected with aluminium base base plate 301, evenly is laid in LED lamp pearl 304 on the aluminium base batten 303, and the quantity of the LED lamp pearl 304 on each aluminium base batten 303 is 2 to 10.Light source fixed leg 302 evenly is provided with some sides, and each side is provided with adaptive and make the installation groove 305 of aluminium base batten 303 in being embedded at aluminium base batten 303, and the quantity of the side of light source fixed leg 302 is 3 to 6.Aluminium base base plate 301 is provided with the breach 306 that can pass through for lead in the position corresponding with the threading hole 203 of cavity 202.

It is fixing that above-mentioned radiator 100 and lamp socket 200 are spirally connected, radiator 100 and lamp socket 200 structure that is formed in one, and make by the metal with thermal conductivity, metal adopts aluminium, copper or iron.

During LED bulb operate as normal, LED lamp pearl 304 and drive unit produce a large amount of heats, heat can distribute by following channel: first: the thermovent 401 of diffuser 400 upper ends is communicated with extraneous air and diffuser 400 inner airs, and the heat that LED lamp pearl 304 produces can directly distribute from thermovent 401; Second: the heat of LED lamp pearl 304 is delivered on the lamp socket 200 by aluminium base batten 303, aluminium base base plate 301, light source fixed leg 302, the structure because lamp socket 200 is formed in one, and made by heat-conducting metal, heat can spread all over whole lamp socket 200 rapidly and the part heat directly is dispersed into the extraneous air from lamp socket 200; The 3rd: lamp socket 200 is connected and fixed with radiator 100, and radiator 100 is similarly integrated formed structure and is made by heat-conducting metal, heat on the lamp socket 200 can be delivered on the radiator 100 fast in time and spread all over entire radiator 100, meanwhile, inserting the heat that the drive units in the cylindrical hole 121 of upper end produce also in time promptly spreads all over entire radiator 100 and whole lamp socket 200 and can be directly delivered in the extraneous air; The 4th: because radiator 100 inside are set to the hollow structure with external communications, the heats in the heat that drive unit produces, the radiator 100 can be delivered to the outside by hollow structure; The 5th: the upper part 120 of radiator 100 is provided with second air vent 122 that is communicated with extraneous air, second ventilation slot 123 that is communicated with second air vent 122 and upper end cylindrical hole 121, hot-air on making in the cylindrical hole 121 is from second air vent 122, second ventilation slot 123 is passed in the extraneous air, utilize flowing of air, convection current is taken away heat rapidly, in addition, second radiating fin 124 of the Y-shaped that upper part 120 lateral walls are provided with has increased the contact area with extraneous air greatly, has further improved the radiating efficiency of radiator 100 upper parts 120; The 6th: the end portion 110 of radiator 100 is provided with first air vent 112, first ventilation slot 113, make the hot-air in lower end cylinder 111 holes be passed to the extraneous air from first air vent 112, first ventilation slot 113, utilize mobile, the convection current of air that heat is taken away rapidly, simultaneously, end portion 110 is provided with second radiating fin 124 that has increased area of dissipation greatly equally, further improves radiating efficiency.And, the corresponding setting with the position of second air vent 122 of first air vent 112, the corresponding setting with the position of second ventilation slot 123 of second air vent 122 makes the air can convection current, accelerates speed air flow and improves the exchange rate of cold and hot air.To sum up, under the multiple measure, the radiating efficiency of LED bulb is very high, and the radiating effect ideal has been avoided hoarding in a large number of heat, efficiently solves the heat dissipation problem of LED bulb, has prolonged the service life of LED bulb.

The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. LED bulb that radiating efficiency is high, the diffuser that be fixedly connected with radiator, lamp socket, led light source structure from the bottom to top successively, is connected in described lamp socket upper surface and described led light source structure is covered with, also comprise and place in the described radiator and the drive unit that is electrically connected with described led light source structure, it is characterized in that, described radiator is the hollow cylinder hole, and described hollow cylinder hole is divided into lower end cylindrical hole, the diameter upper end cylindrical hole bigger than described lower end cylindrical hole that is interconnected; Described radiator is divided into end portion, the upper part that is connected as a single entity, described end portion is the turriform body, vertically evenly be provided with some first air vents on the external sidewall of described turriform, vertically be provided with first ventilation slot on each described first air vent, the external sidewall of described turriform some first radiating fins that are Y-shaped that below described first air vent, extend outwardly out; Described upper part vertically evenly is provided with some second air vents between lateral wall and upper end cylindrical hole, described upper end cylindrical hole sidewall vertically is provided with second ventilation slot that is communicated with described second air vent and described upper end cylindrical hole on the position corresponding with described second air vent, the lateral wall of described upper part some second radiating fins that are Y-shaped that extend outwardly out.

2. the high LED bulb of a kind of radiating efficiency according to claim 1, it is characterized in that, described drive unit and described upper end cylindrical hole are adaptive and place in the cylindrical hole of described upper end, and the end portion sidewall of described radiator is provided with the intercommunicating pore that is communicated with described lower end cylindrical hole.

3. the high LED bulb of a kind of radiating efficiency according to claim 1 and 2 is characterized in that, the corresponding setting with the position of described second air vent of described first air vent, the corresponding setting with the position of described second ventilation slot of described first ventilation slot.

4. the high LED bulb of a kind of radiating efficiency according to claim 3, it is characterized in that, described LED bulb also comprises the bowl-shape reflector that is connected in described lamp socket upper surface and is left-hand thread, described glow cup upper end is provided with the through hole adaptive and that described led light source structure is enclosed with described led light source structure, and described reflector outer surface is coated with reflector layer.

5. the high LED bulb of a kind of radiating efficiency according to claim 4, it is characterized in that, described lamp socket upper surface center position up extends the chamber post that has cavity, described cavity bottom is provided with threading hole, and described lamp socket is provided with in the position that is connected with described diffuser and the adaptive and mutual annular slot that engages of described diffuser lower ending opening.

6. the high LED bulb of a kind of radiating efficiency according to claim 5, it is characterized in that, described led light source structure comprises and is close to described cavity bottom and the aluminium base base plate that is electrically connected with described drive unit, is connected and fixed on light source fixed leg on the described aluminium base base plate, somely evenly be located on the described light source fixed leg side and the aluminium base batten that is electrically connected with described aluminium base base plate, evenly be laid in LED lamp pearl on the described aluminium base batten, and the quantity of the described LED lamp pearl on each described aluminium base batten is 2 to 10.

7. the high LED bulb of a kind of radiating efficiency according to claim 6, it is characterized in that, described light source fixed leg evenly is provided with some sides, each described side is provided with adaptive and make the installation groove of described aluminium base batten in being embedded at described aluminium base batten, and the quantity of the side of described light source fixed leg is 3 to 6.

8. the high LED bulb of a kind of radiating efficiency according to claim 7 is characterized in that, described aluminium base base plate is provided with the breach that can supply lead to pass through in the position corresponding with the threading hole of described cavity.

9. the high LED bulb of a kind of radiating efficiency according to claim 8 is characterized in that, described diffuser upper end is provided with and is communicated with outside thermovent.

10. the high LED bulb of a kind of radiating efficiency according to claim 9, it is characterized in that described radiator and described lamp socket are spirally connected fixing, described radiator and the described lamp socket structure that is formed in one, and make by the metal with thermal conductivity, described metal adopts aluminium, copper or iron.