WO2015169254A1 - 一种全向发光led灯泡 - Google Patents

一种全向发光led灯泡 Download PDF

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Publication number
WO2015169254A1
WO2015169254A1 PCT/CN2015/078553 CN2015078553W WO2015169254A1 WO 2015169254 A1 WO2015169254 A1 WO 2015169254A1 CN 2015078553 W CN2015078553 W CN 2015078553W WO 2015169254 A1 WO2015169254 A1 WO 2015169254A1
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Prior art keywords
bulb
heat
circuit board
leds
flexible circuit
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PCT/CN2015/078553
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English (en)
French (fr)
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魏永纲
张夙敏
王晓峰
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深圳市中电照明股份有限公司
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Publication of WO2015169254A1 publication Critical patent/WO2015169254A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems

Definitions

  • the utility model relates to an omnidirectional LED light bulb.
  • LED has been widely used in lighting as lighting for its advantages of energy saving, high luminous efficiency, long life and fast startup. Since LED illumination has directionality, it does not emit 360° like CFL and incandescent lamps. Therefore, when LED is used as a light source to replace the traditional incandescent lamp or CFL light source, its application effect is limited; and the existing LED When the lamp replaces the incandescent lamp or the CFL light source, its shape is often subject to heat dissipation and other factors, resulting in a strange shape of the heat dissipating portion, and the overall aesthetic quality of the light source is poor.
  • the technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and to provide an omnidirectional LED bulb with the same shape as the traditional incandescent bulb, good heat dissipation and uniform illumination.
  • the utility model comprises a lamp cap, a bulb, a driving circuit, a plurality of LEDs, an insulating heat dissipating member, a heat conducting column, a flexible circuit board and an aluminum substrate, wherein the insulating heat dissipating member has the lamp cap and The blister phase is fixedly connected, the driving circuit is located in the inner cavity of the insulating heat dissipating member, the tail portion of the heat conducting column is fixedly connected to the insulating heat dissipating member and thermally conducts, and the blister case packs the heat conducting column
  • the upper part of the heat conducting column comprises a cylindrical surface, a top surface and a tapered surface located below the cylindrical surface, the tapered surface is gradually reduced in size from top to bottom, and the flexible circuit board is covered by the On the cylindrical surface and the tapered surface, the aluminum substrate is fixed on the top surface, and a plurality of the LEDs are electrically connected to the flexible circuit board and the aluminum substrate, and a plurality of
  • a plurality of the LEDs are evenly distributed along the circumference of the thermally conductive column.
  • the flexible circuit board and the heat conducting column are bonded and fixed by a thermal conductive adhesive.
  • the insulating heat dissipating members are respectively fixed to the lamp cap and the bulb by an adhesive phase.
  • the center of the heat conducting column is provided with a heat dissipation through hole.
  • the bulb is made of plastic or glass.
  • the bulb is transparent or translucent.
  • the heat conducting column is made of aluminum.
  • the insulating heat sink is made of heat conductive plastic or ceramic.
  • the type of the lamp cap is E27 or E26 or E14 or E12 or G24 or G23 or B22 or G9 or GU10.
  • the utility model has the beneficial effects that: the utility model comprises a lamp cap, a bulb, a driving circuit, a plurality of LEDs, an insulating heat dissipating member, a heat conducting column, a flexible circuit board and an aluminum substrate, wherein the insulating heat dissipating member has the lamp holder and the lamp holder
  • the blister phase is fixedly connected, the driving circuit is located in the inner cavity of the insulating heat sink, the tail portion of the heat conducting column is fixedly connected with the insulating heat sink and thermally conducts, and the blister covers the heat conducting column
  • the upper portion of the heat conducting column includes a cylindrical surface, a top surface, and a tapered surface located below the cylindrical surface, the tapered surface gradually decreases in size from the top to the bottom, and the flexible circuit board is coated on the On the cylinder surface and the tapered surface, the aluminum substrate is fixed on the top surface, and the plurality of LEDs are electrically connected to the flexible circuit board and the aluminum substrate, and the plurality of LEDs are
  • the column, the insulating heat sink and the lamp cap perform heat conduction and heat dissipation on each component Both of them can play the role of heat conduction and heat dissipation.
  • the shape is consistent with the existing incandescent light bulbs, and the installation and replacement are convenient and easy to be accepted. Therefore, the utility model has the same shape as the traditional incandescent bulb, good heat dissipation and uniform illumination. It is an omnidirectional LED bulb.
  • FIG. 1 is a schematic perspective view of an embodiment of the present invention
  • FIG. 2 is a schematic view of an exploded structure of an embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view of an embodiment of the present invention.
  • the omnidirectional LED bulb of this embodiment includes a lamp cap 1, a bulb 3, a driving circuit 4, a plurality of LEDs 6, an insulating heat sink 2, a heat conducting column 5, a flexible circuit board 7, and aluminum.
  • the insulating member 2 is fixedly connected to the bulb 3, and the insulating fins 2 are respectively fixed to the cap 1 and the bulb 3 by gluing.
  • the driving circuit 4 is located in the inner cavity of the insulating heat dissipating member 2, the tail portion of the heat conducting column 5 is fixedly connected to the insulating heat dissipating member 2 and thermally conductive, and the center of the heat conducting column 5 is provided with a heat dissipation through hole 50.
  • the blister 3 encloses the heat conducting column 5, and the upper portion of the heat conducting column 5 includes a cylindrical surface 51, a top surface 52, and a tapered surface 53 located below the cylindrical surface 51, the tapered surface 53
  • the upper and lower radial dimensions are gradually reduced, the cylindrical surface 51 is a cylindrical surface, the top surface 52 is circular, and the tapered surface 53 is a conical surface.
  • the cylindrical surface 51 may also be a prism surface, correspondingly
  • the top surface 52 is a polygon, the tapered surface 53 is a pyramid surface, and the flexible circuit board 7 is coated on the cylindrical surface 51 and the tapered surface 53.
  • the flexible circuit board 7 and the heat conducting column 5 are fixed by thermal conductive adhesive bonding, the aluminum substrate 8 is fixed on the top surface 52, and a plurality of the LEDs 6 are electrically connected to the flexible circuit board. 7 and the aluminum substrate 8, a plurality of the LEDs 6 are evenly distributed along the circumferential direction of the heat conducting column 5, and the plurality of LEDs 6 respectively have the top surface 52, the cylindrical surface 51 and the tapered surface 53
  • a plurality of the LEDs 6 pass through the flexible circuit board 7 and the aluminum substrate 8, the heat conducting column 5, and the
  • the insulating heat sink 2 and the lamp cap 1 perform heat conduction and heat dissipation to increase heat dissipation channels, facilitate heat dissipation, avoid heat accumulation of LEDs and high temperature, and help to prolong life.
  • the bulbs 3 are made of translucent plastic, of course, It is made of glass and can also be completely transparent.
  • the heat conducting column 5 is made of aluminum.
  • the insulating heat sink 2 is made of heat conductive plastic. Of course, it can also be made of ceramic.
  • the type of the lamp head is E27. Of course, it can also be E26 or E14 or E12 or G24 or G23 or B22 or G9 or GU10 and other models.
  • the LEDs 6 of the present invention respectively omnidirectionally emit light with the top surface 52, the cylindrical surface 51 and the tapered surface 53 as reference surfaces, and the light is uniform, consistent with the incandescent bulb, and passes through the flexible circuit board. 7 and the aluminum substrate 8, the heat conducting column 5, the insulating heat sink 2 and the lamp cap 1 perform heat conduction and heat dissipation, and can function as heat conduction and heat dissipation on each component, and the shape and current appearance thereof
  • Some incandescent light bulbs are consistent, easy to install and replace, and easy to be accepted. Therefore, the utility model has the same shape as the traditional incandescent bulb, good heat dissipation and uniform illumination, and is an omnidirectional LED bulb.
  • the utility model can be widely applied to the field of LED illumination.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种全向发光LED灯泡，包括灯头（1）、泡壳（3）、驱动电路（4）、若干个LED（6）、绝缘散热件（2）、导热柱（5）、柔性线路板（7）和铝基板（8）。绝缘散热件（2）将灯头（1）与泡壳（3）固连，导热柱（5）尾部与绝缘散热件（2）固连，导热柱（5）上部包括柱面（51）、顶面（52）及锥面（53），柔性线路板（7）包覆于柱面（51）及锥面（53）上，铝基板（8）固定于顶面（52），LED（6）电连接于柔性线路板（7）及铝基板（8）上，LED（6）以顶面（52）、柱面（51）及锥面（53）为基准面全向发光，并通过柔性线路板（7）和铝基板（8）、导热柱（5）、绝缘散热件（2）及灯头（1）导热散热。该LED灯泡散热性好、发光均匀。

Description

一种全向发光LED灯泡 技术领域
本实用新型涉及一种全向发光LED灯泡。
背景技术
随着科学技术的发展，LED因具有节能、高光效、长寿命、启动快等优点，已经越来越广泛应用到光源中作为照明之用。由于LED发光具有方向性，其不像CFL及白炽灯一样可以360°发光，因此当采用LED做光源来取代传统的白炽灯或CFL光源时，其应用效果受到一定的限制；而且现有的LED灯替代白炽灯或CFL光源时，其外形往往受制于散热等因素导致散热部分外形怪异，光源整体美观度差。
实用新型内容
本实用新型所要解决的技术问题是克服现有技术的不足，提供一种外形与传统白炽灯泡一致、散热性好、发光均匀的全向发光LED灯泡。
本实用新型所采用的技术方案是：本实用新型包括灯头、泡壳、驱动电路、若干个LED、绝缘散热件、导热柱、柔性线路板、铝基板，所述绝缘散热件将所述灯头与所述泡壳相固定连接，所述驱动电路位于所述绝缘散热件的内腔，所述导热柱的尾部与所述绝缘散热件相固定连接并导热，所述泡壳将所述导热柱包罩于内，所述导热柱的上部包括柱面、顶面及位于所述柱面下方的锥面，所述锥面自上向下径向尺寸逐渐缩小，所述柔性线路板包覆于所述柱面及所述锥面上，所述铝基板固定于所述顶面上，若干个所述LED电连接于所述柔性线路板及所述铝基板上，若干个所述LED分别以所述顶面、 所述柱面及所述锥面为基准面全向发光，若干个所述LED依次通过所述柔性线路板和所述铝基板、所述导热柱、所述绝缘散热件及所述灯头进行导热及散热。
若干个所述LED沿所述导热柱的周向均布。
所述柔性线路板与所述导热柱之间通过导热胶粘结固定。
所述绝缘散热件分别与所述灯头及所述泡壳通过胶粘相固定。
所述导热柱的中心设有散热通孔。
所述泡壳采用塑料或玻璃制成。
所述泡壳为透明或半透明。
所述导热柱采用铝材制成。
所述绝缘散热件采用导热塑料或陶瓷制成。
所述灯头的型号为E27或E26或E14或E12或G24或G23或B22或G9或GU10。
本实用新型的有益效果是：由于本实用新型包括灯头、泡壳、驱动电路、若干个LED、绝缘散热件、导热柱、柔性线路板、铝基板，所述绝缘散热件将所述灯头与所述泡壳相固定连接，所述驱动电路位于所述绝缘散热件的内腔，所述导热柱的尾部与所述绝缘散热件相固定连接并导热，所述泡壳将所述导热柱包罩于内，所述导热柱的上部包括柱面、顶面及位于所述柱面下方的锥面，所述锥面自上向下径向尺寸逐渐缩小，所述柔性线路板包覆于所述柱面及所述锥面上，所述铝基板固定于所述顶面上，若干个所述LED电连接于所述柔性线路板及所述铝基板上，若干个所述LED分别以所述顶面、所述柱面及所述锥面为基准面全向发光，若干个所述LED依次通过所述柔性线路板和所述铝基板、所述导热柱、所述绝缘散热件及所述灯头进行导热及散热；本实用新型若干个所述LED分别以所述顶面、所述柱面及所述锥面为基准面全向发光，出光均匀，与白炽灯泡一致，并通过所述柔性线路板和所述铝基板、所述导热柱、所述绝缘散热件及所述灯头进行导热及散热，在各部件上 均可以起到导热及散热的作用，而且，其外形与现有的白炽灯灯泡一致，安装替换方便，也易于被接受，故本实用新型外形与传统白炽灯泡一致、散热性好、发光均匀，是一种全向发光LED灯泡。
附图说明
图1是本实用新型实施例的立体结构示意图；
图2是本实用新型实施例的爆炸结构示意图；
图3是本实用新型实施例的断面结构示意图。
具体实施方式
如图1～图3所示，本实施例的全向发光LED灯泡包括灯头1、泡壳3、驱动电路4、若干个LED 6、绝缘散热件2、导热柱5、柔性线路板7、铝基板8，所述绝缘散热件2将所述灯头1与所述泡壳3相固定连接，具体为所述绝缘散热件2分别与所述灯头1及所述泡壳3通过胶粘相固定，所述驱动电路4位于所述绝缘散热件2的内腔，所述导热柱5的尾部与所述绝缘散热件2相固定连接并导热，所述导热柱5的中心设有散热通孔50，所述泡壳3将所述导热柱5包罩于内，所述导热柱5的上部包括柱面51、顶面52及位于所述柱面51下方的锥面53，所述锥面53自上向下径向尺寸逐渐缩小，所述柱面51为圆柱面，所述顶面52为圆形，所述锥面53为圆锥面，当然，所述柱面51也可以为棱柱面，相应的，所述顶面52为多边形，所述锥面53为棱锥面，所述柔性线路板7包覆于所述柱面51及所述锥面53上，具体为所述柔性线路板7与所述导热柱5之间通过导热胶粘结固定，所述铝基板8固定于所述顶面52上，若干个所述LED 6电连接于所述柔性线路板7及所述铝基板8上，若干个所述LED 6沿所述导热柱5的周向均布，若干个所述LED 6分别以所述顶面52、所述柱面51及所述锥面53为基准面全向发光，若干个所述LED 6依次通过所述柔性线路板7和所述铝基板8、所述导热柱5、所 述绝缘散热件2及所述灯头1进行导热及散热，以增加散热通道，利于散热，避免LED热量积聚及高温，有助于延长寿命，所述泡壳3采用半透明塑料制成，当然可以采用玻璃制成，也可以为全透明，所述导热柱5采用铝材制成，所述绝缘散热件2采用导热塑料制成，当然也可以采用陶瓷制成，所述灯头的型号为E27，当然也可以是E26或E14或E12或G24或G23或B22或G9或GU10等其他型号。
本实用新型若干个所述LED 6分别以所述顶面52、所述柱面51及所述锥面53为基准面全向发光，出光均匀，与白炽灯泡一致，并通过所述柔性线路板7和所述铝基板8、所述导热柱5、所述绝缘散热件2及所述灯头1进行导热及散热，在各部件上均可以起到导热及散热的作用，而且，其外形与现有的白炽灯灯泡一致，安装替换方便，也易于被接受，因此本实用新型外形与传统白炽灯泡一致、散热性好、发光均匀，是一种全向发光LED灯泡。
本实用新型可广泛应用于LED照明领域。

Claims (10)

  1. 一种全向发光LED灯泡，包括灯头(1)、泡壳(3)、驱动电路(4)、若干个LED(6)，其特征在于：所述全向发光LED灯泡还包括绝缘散热件(2)、导热柱(5)、柔性线路板(7)、铝基板(8)，所述绝缘散热件(2)将所述灯头(1)与所述泡壳(3)相固定连接，所述驱动电路(4)位于所述绝缘散热件(2)的内腔，所述导热柱(5)的尾部与所述绝缘散热件(2)相固定连接并导热，所述泡壳(3)将所述导热柱(5)包罩于内，所述导热柱(5)的上部包括柱面(51)、顶面(52)及位于所述柱面(51)下方的锥面(53)，所述锥面(53)自上向下径向尺寸逐渐缩小，所述柔性线路板(7)包覆于所述柱面(51)及所述锥面(53)上，所述铝基板(8)固定于所述顶面(52)上，若干个所述LED(6)电连接于所述柔性线路板(7)及所述铝基板(8)上，若干个所述LED(6)分别以所述顶面(52)、所述柱面(51)及所述锥面(53)为基准面全向发光，若干个所述LED(6)依次通过所述柔性线路板(7)和所述铝基板(8)、所述导热柱(5)、所述绝缘散热件(2)及所述灯头(1)进行导热及散热。
  2. 根据权利要求1所述的全向发光LED灯泡，其特征在于：若干个所述LED(6)沿所述导热柱(5)的周向均布。
  3. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述柔性线路板(7)与所述导热柱(5)之间通过导热胶粘结固定。
  4. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述绝缘散热件(2)分别与所述灯头(1)及所述泡壳(3)通过胶粘相固定。
  5. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述导热柱(5)的中心设有散热通孔(50)。
  6. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述泡壳(3)采用塑料或玻璃制成。
  7. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述泡壳(3)为透明或半透明。
  8. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述导热柱(5)采用铝材制成。
  9. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述绝缘散热件(2)采用导热塑料或陶瓷制成。
  10. 根据权利要求1所述的全向发光LED灯泡，其特征在于：所述灯头(1)的型号为E27或E26或E14或E12或G24或G23或B22或G9或GU10。
PCT/CN2015/078553 2014-05-09 2015-05-08 一种全向发光led灯泡 WO2015169254A1 (zh)

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CN105909993A (zh) * 2016-06-15 2016-08-31 湖北汉光光电股份有限公司 一种照明用的大功率led球泡

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203823531U (zh) * 2014-05-09 2014-09-10 深圳市中电照明股份有限公司 一种全向发光led灯泡
CN104712915A (zh) * 2015-04-14 2015-06-17 宁波市柯玛士电器实业有限公司 一种手电筒
CN104747922A (zh) * 2015-04-14 2015-07-01 宁波市柯玛士电器实业有限公司 一种手电筒

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100097790A1 (en) * 2008-10-20 2010-04-22 Wei-Jen Tseng Lamp
CN102128370A (zh) * 2010-12-31 2011-07-20 厦门立明光电有限公司 具有钻石体发光面的大光度角球泡
CN102287655A (zh) * 2011-08-19 2011-12-21 深圳市贝晶光电科技有限公司 一种大发光角度的led球泡灯
CN203052306U (zh) * 2013-01-16 2013-07-10 童林清 全角度发光led灯泡
CN203823531U (zh) * 2014-05-09 2014-09-10 深圳市中电照明股份有限公司 一种全向发光led灯泡

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100097790A1 (en) * 2008-10-20 2010-04-22 Wei-Jen Tseng Lamp
CN102128370A (zh) * 2010-12-31 2011-07-20 厦门立明光电有限公司 具有钻石体发光面的大光度角球泡
CN102287655A (zh) * 2011-08-19 2011-12-21 深圳市贝晶光电科技有限公司 一种大发光角度的led球泡灯
CN203052306U (zh) * 2013-01-16 2013-07-10 童林清 全角度发光led灯泡
CN203823531U (zh) * 2014-05-09 2014-09-10 深圳市中电照明股份有限公司 一种全向发光led灯泡

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105909993A (zh) * 2016-06-15 2016-08-31 湖北汉光光电股份有限公司 一种照明用的大功率led球泡

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