CN202992714U - Light emitting diode (LED) bulb - Google Patents

Light emitting diode (LED) bulb Download PDF

Info

Publication number
CN202992714U
CN202992714U CN2012205850795U CN201220585079U CN202992714U CN 202992714 U CN202992714 U CN 202992714U CN 2012205850795 U CN2012205850795 U CN 2012205850795U CN 201220585079 U CN201220585079 U CN 201220585079U CN 202992714 U CN202992714 U CN 202992714U
Authority
CN
China
Prior art keywords
led
heating column
light source
radiating
bulb
Prior art date
Application number
CN2012205850795U
Other languages
Chinese (zh)
Inventor
陈美飞
Original Assignee
陈美飞
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 陈美飞 filed Critical 陈美飞
Priority to CN2012205850795U priority Critical patent/CN202992714U/en
Application granted granted Critical
Publication of CN202992714U publication Critical patent/CN202992714U/en

Links

Abstract

The utility model discloses a light emitting diode (LED) bulb. The LED bulb comprises a lamp head, a heat radiating component, a lamp cover and LED light sources which are connected sequentially, wherein the LED light sources are arranged on the heat radiating component. The LED bulb is characterized in that the heat radiating component is made of ceramic material and comprises a heat radiating seat and a heat conduction column arranged on the upper end face of the heat radiating seat, the LED light sources are fixedly stuck on side faces of the heat conduction column, and the LED light sources are evenly arranged around the heat conduction column.

Description

The LED bulb
Technical field
The utility model relates to the LED lighting field, particularly a kind of LED bulb of good heat dissipation effect.
Background technology
At present, LED light source is long, pollution-free with the life-span, light efficiency high just progressively replace incandescent and fluorescent light, so the LED bulb as light source with LED occurred.The LED bulb generally comprises lamp holder, radiator, lampshade and is fixed on LED light source on radiator, and radiator is generally Aluminium Radiator, and volume is larger, and dielectric strength is poor, has electric leakage hidden danger.
Therefore, how to design a kind of perfect heat-dissipating, the LED bulb that high pressure resistant, insulating properties is strong, safe, durable is the technical problem that needs to be resolved hurrily in the industry.
Summary of the invention
Main purpose of the present utility model is to provide a kind of LED bulb, is intended to realize that the heat radiation of LED bulb is quick, and is high pressure resistant, insulating properties is strong, and is safe, durable.
The utility model proposes a kind of LED bulb, comprise successively lamp holder, radiating piece, the lampshade that connects and be arranged on LED light source on described radiating piece, described radiating piece is that ceramic material is made, comprise radiating seat and be arranged on heating column on described radiating seat upper surface, described LED light source is pasted and fixed on the side of described heating column, and described LED light source evenly arranges around described heating column.
Preferably, described radiating seat comprises that one is arranged on the high platform at center, and described heating column extends upward formation for the upper surface along described high platform, and described heating column and described radiating seat are one-body molded.
Preferably, described heating column is regular prism shape, described LED light source comprises the bar shaped substrate that several and described heating column side are adaptive, and the LED chip of some longitudinal arrangements evenly is installed on described bar shaped substrate, and described bar shaped substrate is on each side that is pasted and fixed on described heating column.
Preferably, described LED light source also comprises a connecting circuit board that is connected with LED driver, described bar shaped substrate and the electrical connection of described connecting circuit board, and described connecting circuit board is fixed on the upper surface of described high platform.
Preferably, also comprise the reflection shield of the form fit of an inner chamber and described heating column, described reflection shield is sleeved on described heating column, and described reflection shield is provided with the light-emitting window that exposes for described LED chip.
Preferably, described radiating piece adopts alumina ceramic material to make.
Preferably, described lampshade is transparent glass cover, is provided with the link slot that is connected for described lampshade on described radiating seat, and described link slot is around described high platform setting, and described lampshade lower end is fixed in described link slot by gluing the connecing of adhesive.
the radiating piece of LED bulb of the present utility model is that ceramic material is made, comprise radiating seat and be arranged on heating column on the radiating seat upper surface, LED light source is pasted and fixed on each side of heating column, the thermal conductivity of the radiating piece that ceramic material is made is not less than 20W/(m*K), heat conductivility is fabulous, and ceramic distinctive capillary structure can accelerate heat radiation, ceramic material itself also has very high infrared emittance, can accelerate heat radiation by heat radiation, radiating effect is excellent, the heat conduction that can fast LED chip be produced, distribute, guarantee that LED chip is luminous in normal operating temperature range, thereby slow down light decay, extend the service life of LED chip, the radiating efficiency of pottery radiating piece processed is several times even tens times of metal-made radiating piece, thereby the volume of the pottery radiating piece processed of equal radiating efficiency is little than the volume of metal-made radiating piece, thereby can reduce the volume and weight of whole lamp.
Pottery radiating piece processed has good insulating properties and stability, and its breakdown voltage is not less than 12KV/mm usually, and is non-conductive, high pressure resistant more than the industrial frequency withstand voltage value can stably reach 2000V, and protective capacities with light fixture can guarantee personal safety.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model LED bulb;
Fig. 2 is the STRUCTURE DECOMPOSITION figure of an embodiment of the utility model LED bulb.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
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.
see figures.1.and.2, one embodiment of LED bulb of the present utility model is proposed, this LED bulb comprises the lamp holder 10 that connects successively, radiating piece 20, lampshade 50 and the LED light source 30 that is arranged on radiating piece 20, lamp holder 10 is metal-made lamp screw base 10, radiating piece 20 is made for alumina ceramic material, radiating piece 20 comprises radiating seat and is arranged on heating column 200 on the radiating seat upper surface, radiating seat is by the cylindrical joint pin 201 of lower end, the cylindrical high platform 203 of upper end and the link slot at middle part 202 form, lamp holder 10 suits are fixed on the lower end joint pin 201 of radiating seat, joint pin 201 is open tubular column, be arranged on for the luminous LED driver of driving LED light source 30 in the cavity of joint pin 201 and lamp holder 10.
Heating column 200 is one-body molded with radiating seat, and heating column 200 is fixed on the center of high platform 203, for the upper surface along high platform 203 extends upward formation.Heating column 200 is regular prism shape, and in the present embodiment, heating column 200 is made as four-prism; LED light source 30 comprises the bar shaped substrate 300 that each side of several and heating column 200 is adaptive, the LED chip 301 of several longitudinal arrangements evenly is installed on bar shaped substrate 300, bar shaped substrate 300 on each side that is pasted and fixed on heating column 200, realize 360 ° luminous; High platform 203 raises the position of heating column 200, is beneficial to light that LED chip 301 sends to lamp holder 10 directions irradiations, avoids light to be blocked by radiating seat.LED light source 30 also comprises a connecting circuit board that is connected with LED driver 302, and this connecting circuit board 302 is made as the annular adaptive with heating column 200, is sleeved on heating column 200, and is pasted and fixed on the upper surface of high platform 203.This connecting circuit board 302 be provided with each bar shaped substrate 300 on positive and negative electrode contact positive and negative electrode LED contact point and the positive and negative electrode contact point of power source that is connected with LED driver one to one, on bar shaped substrate 300, corresponding positive and negative electrode LED contact point welding mutually on positive and negative electrode contact and connecting circuit board 302, realize being electrically connected between connecting circuit board 302 and bar shaped substrate 300; Positive and negative electrode wire and the welding of the positive and negative electrode contact point of power source on connecting circuit board 302 with the LED driver electrical connection, realize the electrical connection between LED driver and connecting circuit board 302, thereby complete the electrical connection between LED driver and LED chip 301.
LED driver driving LED chip 301 is luminous, and the heat of LED chip 301 luminous generations, is shed heat by radiating seat to radiating seat by heating column 200 conduction; The thermal conductivity of the radiating piece 20 that ceramic material is made is not less than 20W/(m*K), heat conductivility is fabulous, and ceramic distinctive capillary structure can accelerate heat radiation, ceramic material itself also has very high infrared emittance, can accelerate heat radiation by heat radiation, and radiating effect is excellent, the heat that can fast LED chip 301 be produced conducts, distributes, guarantee that LED chip 301 is luminous in normal operating temperature range, thereby slow down light decay, extend the service life of LED chip 301; And the radiating efficiency of pottery radiating piece 20 processed is several times even tens times of metal-made radiating piece 20, thereby the volume of the pottery of equal radiating efficiency radiating piece 20 processed is little than the volume of metal-made radiating piece 20, thereby can reduce the volume and weight of whole lamp.The radiating piece 20 of pottery system also has good insulating properties and stability, and its breakdown voltage is not less than 12KV/mm usually, and is non-conductive, high pressure resistant more than the industrial frequency withstand voltage value can stably reach 2000V, can guarantee personal safety and the protective capacities of light fixture.
This LED bulb uses LED chip 301 luminous, compares with use general lighting light source luminescent to have advantage:
1, the low characteristics of reliability and durability, maintenance cost, the life-span is 50000h, and 24h lighted available 7 years continuously, and than long 100 times of ordinary incandescent lamp bubble, and ordinary light source can damage because of overcurrent, overvoltage, needs frequently to change;
2, luminous efficiency high, consume the few characteristics of electric energy, the spectrum of great power LED almost all concentrates on visible light frequency band, its luminous efficiency can reach 80%-90%, and light efficiency is that the incandescent lamp power consumption of the more equal brightness of LED of 75lm/W reduces approximately 80%, and great power LED is than electricity-saving lamp also energy-conservation 1/4;
3, light the characteristics that speed is fast, switch time is short, the fast response time of LED, the response time is several milliseconds, the response time of ordinary light source is 200 milliseconds;
4, the characteristics of environmental protection do not have the bazardous waste of mercury vapor lamp, reduce discarded object to the pollution of environment, and LED does not contain the part of infrared light and ultraviolet light, there is no radiation pollution, and direct drive, there is no stroboscopic, is the environmental protection light source of vision protection; And in use energy consumption is low, and is harmless to battery.
Be covered with a reflection shield 40 outside LED chip 301, the form fit of the inner chamber of this reflection shield 40 and heating column 200, reflection shield 40 is sleeved on heating column 200, reflection shield 40 is provided with the light-emitting window that exposes for LED chip 301 and is arranged on the reflective surface of this light-emitting window both sides, the rambling light that is used for LED chip 301 is sent converges and reflects, and improves light extraction efficiency.
Link slot 202 arranges around high platform 203; lampshade 50 is the transparent glass cover of bulb-shaped, and link slot 202 is adaptive with lampshade 50 lower ending opening shapes, and lampshade 50 lower ends are adhesively fixed in this link slot 202 by adhesive; make LED light source 30 by lampshade 50 covers within it, for the protection of LED light source 30.This LED bulb uses LED chip 301 luminous, so even lampshade 50 breakages can not affect the normally luminous of LED chip 301 yet, the LED bulb also can normally use.
The above is only preferred embodiment of the present utility model; not thereby limit the scope of the claims 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 scope of patent protection of the present utility model.

Claims (7)

1. LED bulb, comprise successively lamp holder, radiating piece, the lampshade that connects and be arranged on LED light source on described radiating piece, it is characterized in that, described radiating piece is that ceramic material is made, comprise radiating seat and be arranged on heating column on described radiating seat upper surface, described LED light source is pasted and fixed on the side of described heating column, and described LED light source evenly arranges around described heating column.
2. LED bulb according to claim 1, is characterized in that, described radiating seat comprises that one is arranged on the high platform at center, and described heating column extends upward formation for the upper surface along described high platform, and described heating column and described radiating seat are one-body molded.
3. LED bulb according to claim 2, it is characterized in that, described heating column is regular prism shape, described LED light source comprises the bar shaped substrate that several and described heating column side are adaptive, the LED chip of some longitudinal arrangements evenly is installed on described bar shaped substrate, and described bar shaped substrate is on each side that is pasted and fixed on described heating column.
4. LED bulb according to claim 3, it is characterized in that, described LED light source also comprises a connecting circuit board that is connected with LED driver, described bar shaped substrate and the electrical connection of described connecting circuit board, and described connecting circuit board is fixed on the upper surface of described high platform.
5. the described LED bulb of any one according to claim 1 to 4, it is characterized in that, the reflection shield that also comprises the form fit of an inner chamber and described heating column, described reflection shield are sleeved on described heating column, and described reflection shield is provided with the light-emitting window that exposes for described LED chip.
6. LED bulb according to claim 1, is characterized in that, described radiating piece adopts alumina ceramic material to make.
7. LED bulb according to claim 2, it is characterized in that, described lampshade is transparent glass cover, is provided with the link slot that is connected for described lampshade on described radiating seat, described link slot is around described high platform setting, and described lampshade lower end is adhesively fixed in described link slot by adhesive.
CN2012205850795U 2012-11-08 2012-11-08 Light emitting diode (LED) bulb CN202992714U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012205850795U CN202992714U (en) 2012-11-08 2012-11-08 Light emitting diode (LED) bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012205850795U CN202992714U (en) 2012-11-08 2012-11-08 Light emitting diode (LED) bulb

Publications (1)

Publication Number Publication Date
CN202992714U true CN202992714U (en) 2013-06-12

Family

ID=48563892

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012205850795U CN202992714U (en) 2012-11-08 2012-11-08 Light emitting diode (LED) bulb

Country Status (1)

Country Link
CN (1) CN202992714U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486468A (en) * 2013-09-05 2014-01-01 深圳市红光城实业有限公司 Efficient radiating LED light
CN103672514A (en) * 2013-12-09 2014-03-26 林英强 LED bulb with transparent lampshade
CN103672515A (en) * 2013-12-10 2014-03-26 林英强 LED bulb with efficient heat dissipation function
CN103994349A (en) * 2014-05-04 2014-08-20 杭州杭科光电股份有限公司 LED bulb lamp with high lighting efficiency

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486468A (en) * 2013-09-05 2014-01-01 深圳市红光城实业有限公司 Efficient radiating LED light
CN103672514A (en) * 2013-12-09 2014-03-26 林英强 LED bulb with transparent lampshade
CN103672514B (en) * 2013-12-09 2016-04-13 林英强 A kind of LED bulb with Transparent lamp shade
CN103672515A (en) * 2013-12-10 2014-03-26 林英强 LED bulb with efficient heat dissipation function
CN103994349A (en) * 2014-05-04 2014-08-20 杭州杭科光电股份有限公司 LED bulb lamp with high lighting efficiency

Similar Documents

Publication Publication Date Title
CN204083941U (en) LED silk bulb
CN201944638U (en) LED lamp bulb for a sense lamp capable of directly replacing an incandescent lamp
EP2851606A2 (en) A kind of lamp holder structure of LED bulb
CN201373273Y (en) Reflective LED lamp
KR20110009095U (en) A rechargeable energy-saving and multifunctional led lamp
US8536807B2 (en) LED bulb
JP2005166578A (en) Electric-bulb-shaped led lamp
CN201344406Y (en) LED lamp
CN201593701U (en) High-power LED bulb
US7909481B1 (en) LED lighting device having improved cooling characteristics
EP2535640A4 (en) Led lamp bulb and led lighting bar capable of emitting light over 4
CN101307887A (en) LED lighting bulb
TW201142194A (en) LED lamp
US8733977B2 (en) LED light bulb
CN201487724U (en) High-power LED street lamp
CN101182919A (en) High power LED lamp
CN201100532Y (en) High power LED bulb
CN102980054A (en) Light-emitting diode (LED) lamp bulb
CN102109104A (en) High-power LED bulb
CN201448612U (en) Energy-saving illuminating lamp
CN201093298Y (en) High power light-emitting diode emergency bulb
CN201753870U (en) LED reflector lamp
CN101871627A (en) High-efficiency heat radiating LED (light emitting diode) lamp and manufacture method thereof
CN101614344A (en) High-power LED bulb
CN202361116U (en) LED (light emitting diode) lamp with novel heat dissipation structure

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130612

Termination date: 20141108

EXPY Termination of patent right or utility model