WO2010020116A1 - Lampe à diode électroluminescente haute puissance en forme de bougie - Google Patents

Lampe à diode électroluminescente haute puissance en forme de bougie Download PDF

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Publication number
WO2010020116A1
WO2010020116A1 PCT/CN2009/070477 CN2009070477W WO2010020116A1 WO 2010020116 A1 WO2010020116 A1 WO 2010020116A1 CN 2009070477 W CN2009070477 W CN 2009070477W WO 2010020116 A1 WO2010020116 A1 WO 2010020116A1
Authority
WO
WIPO (PCT)
Prior art keywords
led
light source
power led
heat sink
led light
Prior art date
Application number
PCT/CN2009/070477
Other languages
English (en)
Chinese (zh)
Inventor
曹殿生
朱火生
耿立建
刘培栽
杨荣平
Original Assignee
鑫谷光电股份有限公司
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
Priority claimed from CNU2008201100789U external-priority patent/CN201246616Y/zh
Priority claimed from CN200810118581A external-priority patent/CN101655185A/zh
Application filed by 鑫谷光电股份有限公司 filed Critical 鑫谷光电股份有限公司
Publication of WO2010020116A1 publication Critical patent/WO2010020116A1/fr

Links

Classifications

    • 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
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • 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
    • F21K9/232—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 specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • 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]

Definitions

  • the present invention relates to a candle lamp for use as a decorative light source (Candelabra), and more particularly to a new type of high power LED candle lamp.
  • the traditional Candelabra decorative light source is generally an ordinary incandescent lamp, which has the following disadvantages:
  • the lamp has a large heat and its life is short;
  • the photoelectric efficiency is relatively low, the power consumption is large, the energy is not saved, and the environment is not environmentally friendly.
  • LED light source is an emerging semiconductor lighting source, low voltage use, small size, safe and controllable, with high luminous efficiency; such as high-power LED light source to replace the light source used in traditional decorative light source will be better and broader Prospects: Long LED life, up to 30,000-50,000 hours; Low-voltage DC drive, safe and controllable; High photoelectric output efficiency, can reach 80LM/W; Plus LED itself does not need to use environmentally harmful metal mercury, more Environmental protection. Due to the various superior characteristics of LED light sources, it has been developed for use as a lighting and decorative light source. In the future, the use of LED light sources for lighting and decorative light sources will be an optimistic development direction.
  • the brightness of the high-power LED light source needs to be improved and the cost is still to be reduced.
  • the object of the present invention is to provide a new high-power LED candle lamp with environmental protection, energy saving and long life.
  • the novel structure design can effectively improve the brightness of the light, the heat dissipation capability of the LED and the seismic strength, and the illumination is more uniform and the brightness is higher.
  • the present invention adopts the following design scheme:
  • a novel high-power LED candle lamp is composed of an LED lamp source and a driving circuit thereof, and the LED lamp source is composed of a multi-chip high-power LED.
  • a heat sink the upper end is provided with an LED light source connection unit; a lamp head;
  • a base having a support heat sink assembly on the upper portion and a lower portion connected to the lamp cap;
  • the LED light source is screwed on the heat sink, and the two poles are electrically connected to the corresponding control end of the driving circuit board; the LED light source and the heat sink are simultaneously covered in the lamp cover, or the LED light source is separately covered in the lamp cover.
  • the LED light source comprises an illumination light source shell composed of an outer surface and an inner surface and a base body provided for electrically connecting with an external power source, the housing has a support body inside, and at least one heat dissipating device is mounted on the support body, At least one LED semiconductor device is mounted on each heat sink of the heat sink, and each LED semiconductor device is electrically connected to each other through an electrical connection point, and the positive and negative poles of the combined body are connected to the positive and negative points of the base through the power line.
  • the positive and negative electrodes of the combined semiconductor device may be connected to the positive and negative points of the substrate through a power line disposed at an electrical connection point on the heat sink.
  • the heat dissipation design of the high-power LED candle lamp of the invention is mainly realized by a heat sink of metal material, which can ensure that the LED works at a constant temperature.
  • the circuit input is 80 ⁇ 240VAC, and the constant current output drives the high-power LED, making it stable and no stroboscopic.
  • the base can be made of American UL approved plastic material, flame retardant, safe, and other flame retardant materials.
  • the high power LED candle lamp (Candelabra) of the invention provides a decorative light source with environmental protection, energy saving, long life and fast response time.
  • the LED is a cold light source and has a long service life. Therefore, the novel high-power LED candle lamp of the present invention has a low failure rate and reduces the maintenance cost;
  • the versatility of the color of the LED light source enables the high-power LED candle lamp of the present invention to exhibit its corresponding color according to the use requirement, and broadens the selection range of colors compared with the existing conventional incandescent lamp decorative light source;
  • the connector can be used with a universal lamp holder, it is more convenient to use, and is suitable for decorative light sources in various places such as hotels and hotels; (6) Designed for UL flame-retardant plastic casing, which can better protect the circuit and device parts, and the standard lamp installation structure is convenient to use;
  • Figure 1 is a schematic view showing the structure of a novel high-power LED candle lamp of the present invention
  • FIG. 2 is a schematic structural view of an LED light source of the present invention
  • Figure 3 is a cross-sectional view of a heat sink of the LED light source of the present invention
  • Figure 4 is a schematic view of the outer casing structure of the present invention
  • Figure 5 is a schematic view of the heat sink structure of the present invention (a is a perspective view, and b is a side cross-sectional view)
  • Figure 6 is a schematic view of the structure of the base of the present invention (a is a main view, b is a side cross-sectional view; c is a plan view)
  • Figure 7 is a schematic view of the structure of the standard lamp cap of the present invention
  • FIG. 8 is a schematic diagram of an LED light source driving circuit of the present invention.
  • the main components of the high-power LED candle lamp of the present invention include: a lampshade 1, an LED light source 2, a heat sink 3, a base 4, a base 5, and a circuit board for driving the LED light source ( Not shown in the drawing, it can be placed in the section of the plastic base 4 and the base 5).
  • the traditional LED light source is a separate LED light-emitting diode packaged in the module, the brightness is not high, can not meet the lighting requirements.
  • the LED light source used in the invention is a novel light source independently designed for realizing high brightness and avoiding high heat generation problem, and is composed of a single high power LED, as shown in FIG. 2, the LED light source
  • the utility model comprises an illumination light source housing 21, a base body and a support body 23 which are electrically connected to an external power supply, a heat dissipation device 24 is mounted on the support body, and a set of (may be one) semiconductor device 26 is mounted on each heat sink of the heat dissipation device.
  • Each of the semiconductor devices is electrically connected to each other through an electrical connection line 27, and the positive and negative electrodes of the combination are connected to the positive and negative points of the substrate through the power supply line.
  • the inner surface 21b of the LED light source is coated with a material layer for enhancing the light energy, and the material layer for enhancing the light energy may be a yttrium aluminum garnet or a yttrium phosphor layer.
  • the heat sink of the LED light source should have a plurality of heat dissipation surfaces. As shown in FIG. 2 and FIG. 3, each of the heat dissipation surfaces is a plane, and each other Room At a certain angle, the light emitted by the light-emitting chip mounted thereon can be illuminated in different directions.
  • the overall shape of the heat dissipating device is a three-step Baishing platform type, and each outer layer 243 of the central Ba-Ling station is an upright plane parallel to the central axis, and the outer layer bodies 242 and 244 of the upper and lower Baingtai are oriented.
  • the adjoining straight face body cooperates with the upper layer body 241 and the lower layer body 245 to form a main heat dissipating unit for carrying the semiconductor light emitting device.
  • the angle between the fins can be set as needed, and the embodiment of FIG. 3 is 45.
  • a plurality of semiconductor chips that can emit light or a high-power LED chip 26 are directly fixed on the heat sink 2401 (surface package).
  • the heat sink is designed to be thick enough to dissipate the heat generated by the LED chip 26 to keep the chip cool.
  • a layer or series of thermoelectric material layers 2402 can be mounted within the heat sink 2401. The thermoelectric (TE) material layer will decrease in temperature after voltage application.
  • the TE material may have an air layer 2406 having an air inlet 2406a and an outlet 2406b.
  • a set of fans 2407 may be placed in or near the air layer 2406 so that the air 2408 can enter from the inlet 2406a through the TE material.
  • the air with heat is taken out from the outlet 2406b, effectively improving the heat dissipation efficiency of the LED chip 26.
  • any LED light source heat sink structure having a plurality of heat dissipating surfaces is possible, and will not be further described herein.
  • the lampshade 1 of the high-power LED candle lamp of the present invention can be made of a transparent material, preferably a candle type, which corresponds to the shape of the flame, and is similar to a torch, which is more fashionable.
  • the LED light source connection unit can be provided at the upper end of the heat sink 3.
  • the LED light source connection unit is internally mounted with a high power LED light.
  • the threaded port 301 for the source; the heat sink is made of a petal type (with a petal body 302) made of a metal material, which is advantageous for better heat dissipation.
  • the base 4 (which may be made of plastic) functions to support the upper and lower sides.
  • the plastic base 4 has a cup shape on the upper part, and the upper inner edge has a support base 401 and is provided with a set.
  • the support block 402 supporting the heat sink assembly, and the lower portion is a chuck 403 that is connected to the standard base.
  • the plastic base can be made of UL-certified UL flame-retardant parts, flame retardant, safe, or other flame retardant materials.
  • the lamp cap 5 can adopt the lamp heads such as E12 and E 14 of the current common standard, or can be based on It is necessary to use a non-standard lamp cap and screw it directly onto the chuck 403 of the plastic base 4 for use.
  • the high-power LED light source is screwed on the heat sink, and its two poles are in electrical communication with the corresponding control ends of the driving circuit board; the combination body is buckled in the cup-shaped plastic base 4 through the lamp cover 1.
  • the LED light source of the novel high-power LED candle lamp of the invention can select more power than IPCS 1W.
  • the LED light source with the power of IPCS 1W is selected, and the illumination angle of the LED is selected in the 360/275 degree butterfly type light shape. Because the LED has a large angle, it can satisfy the effect of uniform illumination. It is cooled by a metal heat sink to ensure that the LED operates at a constant temperature.
  • FIG. 8 An embodiment of the driving circuit of the LED light source of the present invention is shown in Fig. 8.
  • the 110VAC input of the circuit is rectified by a rectifier bridge, and the capacitor and the inductor are filtered to enter the chip, and the chip can output a constant current of 320MA.
  • the high-brightness LED driver chip Ul HV9910 is selected in the circuit.
  • the HV9910 is a high-efficiency PWM LED driver control IC that can drive LEDs with constant current. It is extremely efficient and suitable for driving groups from 1 to hundreds of LEDs.
  • the LED light source of the present invention is extremely suitable.
  • the circuit performance of the invention is made as follows: 1.
  • the output is stable: when the input voltage of 110V AC is provided, a stable 320mA constant current output can be provided, so that the new high-power LED candle lamp has stable illumination and no stroboscopic.
  • High reliability After high-temperature and high-humidity reliability tests, the circuit performance is stable. This drive circuit is small enough to meet the requirements for assembly in a limited space. Of course, other types of LED driver chips can also be used, which are equivalently replaced, and will not be enumerated here.
  • the novel high-power LED candle lamp of the invention is a decorative light source with environmental protection, energy saving, long life and fast response time.
  • Three anti-paint layers are applied to the drive circuit board and wiring locations.
  • the novel high-power LED candle lamp of the invention When the novel high-power LED candle lamp of the invention is produced: first screw the high-power LED light source on the heat sink, and then connect the constant current driving electronic board assembly of the LED light source, and then insert the plastic seat after the connection is completed.
  • the heat sink and the plastic seat are fixed by screws, the circuit board is placed inside the plastic seat, the E12 lamp head is assembled and spliced, and then the glass case is glued.
  • LED channel Letter Different effects of the LED channel (Dynasty Channel Letter) can be produced to meet the needs of various environments and customers. Special designs can be made according to the customer's special requirements, such as the LED color area, the change in brightness, the change in mounting method, and the change in input voltage conditions.

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

Abstract

L'invention concerne une lampe à diode électroluminescente haute puissance en forme de bougie comprenant une source lumineuse à diode électroluminescente haute puissance (2) comportant une diode électroluminescente haute puissance, un circuit de commande, un dissipateur thermique (3) doté d'une unité de connexion sur son extrémité supérieure pour la source lumineuse à diode électroluminescente, un culot (5), une base (4) et un abat-jour (1). Le dissipateur thermique (3) est supporté sur la partie supérieure de la base (4) et le culot (5) est connecté à la partie inférieure de la base (4). La source lumineuse à diode électroluminescente (2) est vissée sur le dissipateur thermique (3), dont l'anode et la cathode sont électriquement connectées au circuit de commande. La source lumineuse à diode électroluminescente (2) et le dissipateur thermique (3) sont tous deux renfermés dans l'abat-jour (1), ou la source lumineuse à diode électroluminescente (2) est renfermée de manière individuelle à l'intérieur de l'abat-jour (1).
PCT/CN2009/070477 2008-08-19 2009-02-19 Lampe à diode électroluminescente haute puissance en forme de bougie WO2010020116A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CNU2008201100789U CN201246616Y (zh) 2008-08-19 2008-08-19 一种新型大功率led烛型灯
CN200810118581A CN101655185A (zh) 2008-08-19 2008-08-19 新型大功率led烛型灯
CN200820110078.9 2008-08-19
CN200810118581.3 2008-08-19

Publications (1)

Publication Number Publication Date
WO2010020116A1 true WO2010020116A1 (fr) 2010-02-25

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ID=41706835

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/070477 WO2010020116A1 (fr) 2008-08-19 2009-02-19 Lampe à diode électroluminescente haute puissance en forme de bougie

Country Status (1)

Country Link
WO (1) WO2010020116A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1125939C (zh) * 1998-09-17 2003-10-29 皇家菲利浦电子有限公司 发光二极管灯
JP2005166578A (ja) * 2003-12-05 2005-06-23 Hamai Denkyu Kogyo Kk 電球形ｌｅｄランプ
US20050162864A1 (en) * 2004-01-28 2005-07-28 Dialight Corporation Light emitting diode (LED) light bulbs
CN2864341Y (zh) * 2005-07-26 2007-01-31 鑫谷光电股份有限公司 半导体照明光源
CN2893419Y (zh) * 2006-05-08 2007-04-25 康永义 节能照明灯
CN201045474Y (zh) * 2007-05-23 2008-04-09 鹤山丽得电子实业有限公司 一种led照明灯泡
CN201100532Y (zh) * 2007-08-20 2008-08-13 郑锦荣 大功率发光二极管灯泡
CN201100601Y (zh) * 2007-10-18 2008-08-13 宋月微 Led灯具

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1125939C (zh) * 1998-09-17 2003-10-29 皇家菲利浦电子有限公司 发光二极管灯
JP2005166578A (ja) * 2003-12-05 2005-06-23 Hamai Denkyu Kogyo Kk 電球形ｌｅｄランプ
US20050162864A1 (en) * 2004-01-28 2005-07-28 Dialight Corporation Light emitting diode (LED) light bulbs
CN2864341Y (zh) * 2005-07-26 2007-01-31 鑫谷光电股份有限公司 半导体照明光源
CN2893419Y (zh) * 2006-05-08 2007-04-25 康永义 节能照明灯
CN201045474Y (zh) * 2007-05-23 2008-04-09 鹤山丽得电子实业有限公司 一种led照明灯泡
CN201100532Y (zh) * 2007-08-20 2008-08-13 郑锦荣 大功率发光二极管灯泡
CN201100601Y (zh) * 2007-10-18 2008-08-13 宋月微 Led灯具

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