CN203500926U - LED bulb - Google Patents

LED bulb Download PDF

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Publication number
CN203500926U
CN203500926U CN201320652404.XU CN201320652404U CN203500926U CN 203500926 U CN203500926 U CN 203500926U CN 201320652404 U CN201320652404 U CN 201320652404U CN 203500926 U CN203500926 U CN 203500926U
Authority
CN
China
Prior art keywords
transfer device
heat transfer
led
light source
lamp holder
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201320652404.XU
Other languages
Chinese (zh)
Inventor
蔡干强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Ben Bang Electrical Appliances Co Ltd
Original Assignee
Guangdong Ben Bang Electrical Appliances Co Ltd
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 Guangdong Ben Bang Electrical Appliances Co Ltd filed Critical Guangdong Ben Bang Electrical Appliances Co Ltd
Priority to CN201320652404.XU priority Critical patent/CN203500926U/en
Application granted granted Critical
Publication of CN203500926U publication Critical patent/CN203500926U/en
Priority to PCT/CN2014/078893 priority patent/WO2015058527A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The utility model discloses an LED bulb. The LED bulb comprises a lamp holder, an LED power supply, an LED light source, a heat conduction device and a lampshade. The heat conduction device is arranged in the lamp holder in an interference fit mode. The LED light source is arranged on the heat conduction device. The LED power supply is electrically connected with the LED light source and the lamp holder. The lampshade is fixedly connected to the lamp holder. The LED bulb has the advantages of being simple and safe in structure, good in heat dissipation effect, large in light emitting area, good in illumination effect and the like.

Description

LED bulb
Technical field
The utility model relates to a kind of lighting, particularly relates to a kind of LED bulb.
Background technology
Existing LED bulb is normally comprised of lamp holder, lamp socket, radiator, LED light source, LED power supply and lampshade, wherein, LED light source is arranged on the top of metal heat sink, the periphery of metal heat sink is enclosed with plastic lamp holder to play insulating effect, metal heat sink and lampshade are arranged on plastic lamp holder, and plastic lamp holder is arranged on lamp holder.Yet, due to the setting of radiator and lamp socket, causing LED bulb to have complex structure, defect that structural volume is large, and be subject to the restriction of holder structure, lampshade is generally hemispherical dome structure, and its light-emitting area is little, causes the lighting effect of LED bulb undesirable.
Utility model content
Based on this, be necessary for the existing problem of existing LED bulb, a kind of simple in structure, good heat dissipation effect and the large LED bulb of light-emitting area are provided.
A kind of LED bulb, comprise lamp holder, LED power supply, LED light source, heat transfer device and lampshade, wherein, described heat transfer device interference fit is arranged in described lamp holder, described LED light source is arranged on described heat transfer device, described LED power supply is electrically connected to described LED light source and lamp holder respectively, and described lampshade is fixedly connected on described lamp holder.
In an embodiment, described heat transfer device has longitudinal polygonized structure or cylindrical structural therein, on each side of described heat transfer device, described LED light source is all installed.
In an embodiment, the top of described heat transfer device is also provided with described LED light source therein.
Therein in an embodiment, described LED light source comprises wiring board and is arranged on the LED lamp pearl on described wiring board, and described wiring board is electrically connected to described LED lamp pearl and LED power supply respectively.
In an embodiment, the wiring board of described LED light source is FPC or aluminum-based circuit board therein.
In an embodiment, described LED light source is fitted on described heat transfer device or is screwed by heat conductive silica gel and is arranged on described heat transfer device therein.
In an embodiment, described heat transfer device is hollow structure therein, and described LED power supply is arranged in the inner chamber of described heat transfer device.
In an embodiment, described heat transfer device is metal heat-conducting device, heat-conducting plastic heat transfer device, ceramic device or glass heat transfer device therein.
In an embodiment, the junction of described heat transfer device and described lamp holder is filled with heat conductive silica gel therein.
Therein in an embodiment, the spherical in shape or candle of described lampshade, described lampshade is glass lamp shade or heat-conducting plastic lampshade.
LED bulb described in the utility model has the following advantages:
1, LED light source is arranged on heat transfer device, heat transfer device interference fit is arranged in lamp holder, and lampshade is directly connected on lamp holder, and lamp holder, lampshade all contact with air, this heat producing while making LED light source work can be transmitted on lamp holder, lampshade by heat transfer device, lamp holder and lampshade conduct heat in air and dispel the heat in the mode of convection current and radiation, heat transfer device also dispels the heat by the mode of radiation simultaneously, good heat radiation, cooling-down effect can be reached thus, the service life of LED lamp pearl can be extended.
2, lampshade is directly fixedly connected on lamp holder, LED power supply, LED light source and heat transfer device are all placed in lamp holder and lampshade, can save the volume of LED bulb, simplify the structure of LED bulb, and can increase the surface area of lampshade, thereby expand the lighting angle (can reach 320 °) of LED bulb, increase the illuminating area of LED bulb, improve the lighting effect of LED bulb, also avoided the metal parts such as radiator to expose the potential safety hazard causing simultaneously.
3, heat transfer device has longitudinal polygonized structure, can a plurality of LED light sources can be installed at each side and the top thereof of heat transfer device, can increase the illuminating area of LED bulb thus, improve the intensity of illumination of LED bulb, and owing to directly fitting the side of the LED light source on side and heat transfer device, the heat that LED light source produces can effectively be transmitted on heat transfer device and carry out radiating and cooling, can solve thus a plurality of LED light sources caused heat problem of simultaneously working.
Accompanying drawing explanation
Fig. 1 is the perspective view of LED bulb described in the utility model embodiment mono-;
Fig. 2 is the cross-sectional view of LED bulb described in the utility model embodiment mono-;
Fig. 3 is the decomposition texture schematic diagram of LED bulb described in the utility model embodiment mono-;
Fig. 4 is the perspective view of LED bulb described in the utility model embodiment bis-;
Fig. 5 is the cross-sectional view of LED bulb described in the utility model embodiment bis-;
Fig. 6 is the decomposition texture schematic diagram of LED bulb described in the utility model embodiment bis-.
The specific embodiment
Embodiment mono-:
As shown in Figure 1 to Figure 3, LED bulb described in the utility model comprises lamp holder 1, LED power supply 2, LED light source 3, heat transfer device 4 and lampshade 5.
Heat transfer device 4 is metal heat-conducting device, heat-conducting plastic heat transfer device, ceramic device or glass heat transfer device; The top of heat transfer device 4 is cylindrical or be longitudinal polygon (comprising quadrangle, pentagon, hexagon, heptagon and octagon etc.), and bottom is cylindrical, and is hollow structure.
Heat transfer device 4 interference fit are arranged in lamp holder 1, and heat transfer device 4 is filled with heat conductive silica gel with the junction of lamp holder 1; LED light source 3 is arranged on sidepiece and the top of heat transfer device 4; LED power supply 2 is arranged in the inner chamber of heat transfer device 4, and is electrically connected to LED light source 3 and lamp holder 1 respectively; Lampshade 5 is adhesively fixed and is connected on lamp holder 1 by glue.
LED light source 3 comprises FPC 32 and is arranged on the LED lamp pearl 31 on FPC 32, and FPC 32 is electrically connected to LED lamp pearl 31 and LED power supply 2 respectively.FPC 32 overlays on side and the top of heat transfer device 4 by folding bag, and is fitted on heat transfer device 4 by heat conductive silica gel, thereby makes LED lamp pearl 31 be distributed in side and the top of heat transfer device 4.
Lampshade 5 is glass lamp shade or heat-conducting plastic lampshade, and its shape can be spherical or candle etc.
Because lampshade 5 is directly fixedly connected on lamp holder 1, and LED power supply 2, LED light source 3 and heat transfer device 4 are all placed in lamp holder 1 and lampshade 5, simplified thus the structure of LED bulb, dwindled the overall volume of LED bulb, and the surface area of lampshade 5 is increased, thereby increase the illuminating area of LED bulb, improve the lighting effect of LED bulb, also avoided metal parts to expose the potential safety hazard causing simultaneously.
Heat transfer device 4 has longitudinal polygonized structure, its each side and top are distributed with LED lamp pearl 31, make thus all to have in all directions of LED bulb LED lamp pearl carry out luminous, thereby increased the illuminating area of LED bulb, improved the intensity of illumination of LED bulb.
LED light source 3 is fitted in side and the top of heat transfer device 4 by its FPC 32, and heat transfer device 4 interference fit are arranged in lamp holder 1, and lampshade 5 is directly connected on lamp holder 1, this heat producing while making 31 work of LED lamp pearl can be transmitted on heat transfer device 4 by FPC 32, heat transfer device 4 dispels the heat by the mode of radiation on the one hand, also conduct heat on the other hand on lamp holder 1 and lampshade 5, due to lamp holder 1, lampshade 5 all contacts with air, can convection current and the mode of radiation conduct heat in air and dispel the heat, reach thus good heat radiation, cooling-down effect, can extend the service life of LED lamp pearl 31.
Embodiment bis-:
As shown in Figures 4 to 6, LED bulb described in the utility model comprises lamp holder 1, LED power supply 2, LED light source 3, heat transfer device 4 and lampshade 5.
Heat transfer device 4 is metal heat-conducting device, heat-conducting plastic heat transfer device, ceramic device or glass heat transfer device; Heat transfer device 4 is longitudinal polygon (comprising quadrangle, pentagon, hexagon, heptagon and octagon etc.), and is hollow structure.
Heat transfer device 4 interference fit are arranged in lamp holder 1, and heat transfer device 4 is filled with heat conductive silica gel with the junction of lamp holder 1; LED light source 3 is arranged on sidepiece and the top of heat transfer device 4; LED power supply 2 is arranged in the inner chamber of heat transfer device 4, and is electrically connected to LED light source 3 and lamp holder 1 respectively; Lampshade 5 is adhesively fixed and is connected on lamp holder 1 by glue.
LED light source 3 comprises a plurality of the first LED light sources 33 and second LED light source 34.The quantity of the first LED light source 33 is identical with the side quantity of heat transfer device 4.A plurality of the first LED light sources 33 are arranged on respectively on each side of heat transfer device 4, and the second LED light source 34 is arranged on the top of heat transfer device 4.
The first LED light source 33 comprises FPC 35 and is arranged on the LED lamp pearl 31 on FPC 35, and FPC 35 is electrically connected to LED lamp pearl 31 and LED power supply 2 respectively.FPC 35 is fitted on the side of heat transfer device 4 by heat conductive silica gel, thereby the first LED light source 33 is arranged on the side of heat transfer device 4.The second LED light source 34 comprises aluminum-based circuit board 36 and is arranged on the LED lamp pearl 31 in aluminum-based circuit board 36, and aluminum-based circuit board 36 is electrically connected to LED lamp pearl 31 and LED power supply 2 respectively.Aluminum-based circuit board 36 is screwed the top that is arranged on heat transfer device 4, thereby the second LED light source 34 is arranged on to the top of heat transfer device 4.
Lampshade 5 is glass lamp shade or heat-conducting plastic lampshade, and its shape can be spherical or candle etc.
Because lampshade 5 is directly fixedly connected on lamp holder 1, and LED power supply 2, LED light source 3 and heat transfer device 4 are all placed in lamp holder 1 and lampshade 5, simplified thus the structure of LED bulb, dwindled the overall volume of LED bulb, and the surface area of lampshade 5 is increased, thereby increase the illuminating area of LED bulb, improve the lighting effect of LED bulb, also avoided metal parts to expose the potential safety hazard causing simultaneously.
Heat transfer device 4 has longitudinal polygonized structure, the first LED light source 33 is all installed on its each side, and its top is also provided with the second LED light source 34, making thus all have LED lamp pearl in all directions of LED bulb carries out luminous, thereby increased the illuminating area of LED bulb, improved the intensity of illumination of LED bulb.
The first LED light source 33, the second LED light source 34 is fitted in respectively side and the top of heat transfer device 4, and heat transfer device 4 interference fit are arranged in lamp holder 1, and lampshade 5 is directly connected on lamp holder 1, this heat producing while making 31 work of LED lamp pearl can pass through wiring board 35, 36 are transmitted on heat transfer device 4, heat transfer device 4 dispels the heat by the mode of radiation on the one hand, also conduct heat on the other hand on lamp holder 1 and lampshade 5, due to lamp holder 1, lampshade 5 all contacts with air, can convection current and the mode of radiation conduct heat in air and dispel the heat, reach thus good heat radiation, cooling-down effect, can extend the service life of LED lamp pearl 31.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. a LED bulb, is characterized in that: comprise lamp holder, LED power supply, LED light source, heat transfer device and lampshade; Described heat transfer device interference fit is arranged in described lamp holder, and described LED light source is arranged on described heat transfer device, and described LED power supply is electrically connected to described LED light source and lamp holder respectively, and described lampshade is fixedly connected on described lamp holder.
2. LED bulb according to claim 1, is characterized in that: described heat transfer device has longitudinal polygonized structure or cylindrical structural, on each side of described heat transfer device, described LED light source is all installed.
3. LED bulb according to claim 2, is characterized in that: the top of described heat transfer device is also provided with described LED light source.
4. LED bulb according to claim 1, is characterized in that: described LED light source comprises wiring board and be arranged on the LED lamp pearl on described wiring board, and described wiring board is electrically connected to described LED lamp pearl and described LED power supply respectively.
5. LED bulb according to claim 4, is characterized in that: the wiring board of described LED light source is FPC or aluminum-based circuit board.
6. LED bulb according to claim 1, is characterized in that: described LED light source is fitted on described heat transfer device or is screwed by heat conductive silica gel and is arranged on described heat transfer device.
7. LED bulb according to claim 1, is characterized in that: described heat transfer device is hollow structure, and described LED power supply is arranged in the inner chamber of described heat transfer device.
8. LED bulb according to claim 1, is characterized in that: described heat transfer device is metal heat-conducting device, heat-conducting plastic heat transfer device, ceramic device or glass heat transfer device.
9. LED bulb according to claim 1, is characterized in that: the junction of described heat transfer device and described lamp holder is filled with heat conductive silica gel.
10. LED bulb according to claim 1, is characterized in that: the spherical in shape or candle of described lampshade, described lampshade is glass lamp shade or heat-conducting plastic lampshade.
CN201320652404.XU 2013-10-22 2013-10-22 LED bulb Expired - Fee Related CN203500926U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201320652404.XU CN203500926U (en) 2013-10-22 2013-10-22 LED bulb
PCT/CN2014/078893 WO2015058527A1 (en) 2013-10-22 2014-05-30 Led lamp bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320652404.XU CN203500926U (en) 2013-10-22 2013-10-22 LED bulb

Publications (1)

Publication Number Publication Date
CN203500926U true CN203500926U (en) 2014-03-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320652404.XU Expired - Fee Related CN203500926U (en) 2013-10-22 2013-10-22 LED bulb

Country Status (2)

Country Link
CN (1) CN203500926U (en)
WO (1) WO2015058527A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499043A (en) * 2013-10-22 2014-01-08 广东本邦电器有限公司 Led lamp bulb
WO2015058527A1 (en) * 2013-10-22 2015-04-30 广东本邦电器有限公司 Led lamp bulb
CN106015984A (en) * 2016-06-30 2016-10-12 浙江生辉照明有限公司 Heat sink and LED lamp
CN111670321A (en) * 2018-02-01 2020-09-15 昕诺飞控股有限公司 Extruded profile for supporting lighting

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112017008855A2 (en) 2014-10-31 2017-12-19 The Administrators Of The Tulane Educational Fund surgical graft for grafting on a patient, method of manufacturing a surgical graft to replace a body part in a patient, graft method, composition, method of providing a protective covering for a superficial skin wound, and substantial decellularization method of the epidermis
CN114396794B (en) * 2021-12-07 2023-09-19 长春希达电子技术有限公司 Method for manufacturing heat dissipation device by using tunnel furnace with temperature control area

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101846253A (en) * 2010-04-20 2010-09-29 李春宪 LED bulb
CN201787383U (en) * 2010-08-06 2011-04-06 晶能开发材料股份有限公司 LED bulb structure
CN202215976U (en) * 2011-07-26 2012-05-09 深圳市讯宇创科技有限公司 Multi-face lighting bulb
CN202469650U (en) * 2012-03-14 2012-10-03 何永祥 LED (light-emitting diode) lamp adopting ceramic carrier
CN103499043A (en) * 2013-10-22 2014-01-08 广东本邦电器有限公司 Led lamp bulb
CN203500926U (en) * 2013-10-22 2014-03-26 广东本邦电器有限公司 LED bulb

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103499043A (en) * 2013-10-22 2014-01-08 广东本邦电器有限公司 Led lamp bulb
WO2015058527A1 (en) * 2013-10-22 2015-04-30 广东本邦电器有限公司 Led lamp bulb
CN106015984A (en) * 2016-06-30 2016-10-12 浙江生辉照明有限公司 Heat sink and LED lamp
CN111670321A (en) * 2018-02-01 2020-09-15 昕诺飞控股有限公司 Extruded profile for supporting lighting

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Publication number Publication date
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20171022

CF01 Termination of patent right due to non-payment of annual fee