WO2011069337A1 - Spot lumineux à diode électroluminescente de forte puissance - Google Patents

Spot lumineux à diode électroluminescente de forte puissance Download PDF

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Publication number
WO2011069337A1
WO2011069337A1 PCT/CN2010/001993 CN2010001993W WO2011069337A1 WO 2011069337 A1 WO2011069337 A1 WO 2011069337A1 CN 2010001993 W CN2010001993 W CN 2010001993W WO 2011069337 A1 WO2011069337 A1 WO 2011069337A1
Authority
WO
WIPO (PCT)
Prior art keywords
lamp body
metal
power led
metal lamp
body cover
Prior art date
Application number
PCT/CN2010/001993
Other languages
English (en)
Chinese (zh)
Inventor
张文虎
刘玉军
Original Assignee
上海开腾信号设备有限公司
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
Application filed by 上海开腾信号设备有限公司 filed Critical 上海开腾信号设备有限公司
Publication of WO2011069337A1 publication Critical patent/WO2011069337A1/fr

Links

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
    • F21K9/233—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 a spot light distribution, e.g. for substitution of reflector lamps
    • 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 invention relates to an LED spotlight, in particular to a high power LED spotlight. Background technique
  • LED Light Emitting Diode
  • LEDs are used as lighting bulbs, especially for spotlights.
  • the advantage is that low-voltage power supply, single-chip LEDs generally operate at 3-4 volts, much lower than the operating voltage of ordinary bulb sources.
  • Safe and reliable simple structure, belonging to solid light source, compared with tungsten light source, has the advantages of impact resistance, vibration resistance, and not easy to break; LED is a cold light source, good controllability, fast response time, repeated frequent and frequent, traditional If the tungsten light source is frequently turned on and off, the life will be suddenly reduced due to rapid thermal expansion and contraction.
  • the long life of the LED light source is more than 50,000 hours, which is 4 to 5 times that of traditional light sources such as incandescent lamps.
  • LED energy-efficient its luminescence spectrum is almost concentrated in the visible light band, the lighting effect is more than 50% energy saving than the traditional light source; LED light source is green and environmentally friendly, no harmful elements and heavy metals in the production process, no pollution.
  • the structure of LED spotlights on the market generally consists of three parts: the front end is a lens for focusing the light emitted by the LED, the middle part is a metal lamp body for mounting the LED chip and heat dissipation, and the tail end is a hollow insulator. , to accommodate the drive circuit, the rear end of which has a plunger that cooperates with the lamp holder.
  • the LED package chip is first mounted on a metal-based circuit board, and the bottom of the circuit board is coated with thermal conductive glue, and then screwed to the lamp body.
  • the board is used to mount the package chip and leads while conducting thermal conduction.
  • the current LED spotlights generally use high-power LED chips, which generate a large amount of heat during operation. If the heat generated by the chip is not released in time, the normal operation and service life of the spotlights will be affected.
  • the heat generated by the LED chip needs to be transmitted through the middle of the circuit board to be transmitted to the metal lamp body as a heat sink.
  • a plurality of span-type heat radiating portions are formed on the outer surface of the metal lamp body to improve the heat dissipation effect.
  • the technical problem to be solved by the present invention is to provide a high-power LED spotlight, which can eliminate the mental state of people's electric shock and improve the heat dissipation effect.
  • a high-power LED spotlight comprising a metal lamp body, a high-power LED light source, a lens at the front end of the metal lamp body, and a lamp cap at the end of the metal lamp body, characterized in that it further comprises a lamp body made of an insulating material a cover, the shape of the lamp body cover is adapted to the shape of the metal lamp body and is sleeved on the outer surface of the metal lamp body.
  • An axial straight stripe structure is disposed on the outer surface of the metal lamp body, so that the inner surface of the lamp body cover is attached to the outer surface of the straight stripe structure and the vertical depression between the two straight stripes forms an upper and lower opening ventilation. Road.
  • the lamp body cover has a transparent structure, and a metal plating layer is plated on the inner surface of the lamp body cover, so that the entire lamp body cover has a metallic effect.
  • the lens of the present invention can be selected from a moderately atomized glass piece or a fully transparent cleaning glass piece or an optical lens of a epoch prism structure according to different use requirements.
  • the inner surface of the lamp body cover and the outer surface of the outer surface of the metal lamp form a ventilation passage for the upper and lower openings, that is, a plurality of air passages are formed on the outer surface of the metal lamp body, so that the surface of the metal lamp body The emitted heat can be quickly dissipated, and good ventilation also cools the surface of the metal lamp body, which further improves the heat dissipation effect.
  • the lamp body cover is a transparent structure, and a metal plating layer is plated on the inner surface of the lamp body cover, so that the lamp body cover made of plastic has a metallic effect.
  • FIG. 1 is a schematic view showing the appearance of a conventional high power LED spotlight.
  • FIG. 2 is a schematic structural view of a high power LED spotlight according to the present invention.
  • Figure 3 is a view taken along line A of Figure 2 .
  • FIG. 4 is a schematic structural view of another high power LED spotlight according to the present invention. detailed description
  • a high-power LED spotlight is divided into three parts as a whole, including a metal lamp body 1 for mounting a high-power LED light source (not shown) and heat dissipation.
  • the front end of the metal lamp body 1 is a lens 2 for focusing the light emitted by the LED, and can select a moderately atomized glass piece or a fully transparent cleaning glass piece or an optical structure of an eralighting prism structure according to different use requirements. lens.
  • the tail end of the metal lamp body 1 is a lamp cap 3, and the lamp cap 3 is a screw cap.
  • the base 3 is a hollow structure for accommodating the drive circuit. '
  • the shape of the entire metal lamp body 1 is similar to that of a truncated cone structure, which is small and large.
  • the LED chip is first mounted on a metal-based circuit board (not shown), and the bottom of the circuit board is coated with a thermal conductive adhesive, and then fastened to the metal lamp body 1 by screws.
  • the board is used to mount the packaged chips and leads while conducting thermal conduction.
  • the outer surface of the metal lamp body 1 is provided with an axial straight stripe 11 structure, and a straight downward recess 12 between the two straight strips 11.
  • the special feature of the embodiment is that the metal lamp body 1 is provided with a lamp body cover 4 made of plastic having an insulating effect, and the entire lamp body cover 4 is adapted to the shape of the metal lamp body 1, and is small and large.
  • the conical sleeve structure, in the specific manufacture, the metal lamp body 1 and the lamp body cover 4 can be separately manufactured, and then the lamp body cover 4 is placed on the outer surface of the metal lamp body 1 from top to bottom.
  • the lamp body cover 4 is made of plastic with a transparent texture, in the lamp
  • the inner surface of the body cover 3 is plated with a metal plating layer 5, so that the entire lamp body cover 4 has a metallic effect.
  • the metal lamp body 1 is jacketed with an insulating body cover 4, the person is installing the When the high-power LED spotlight is used, it is only necessary to hold the plastic lamp body cover 4 by hand, and it is not necessary to touch the metal lamp body 1 by hand, thereby eliminating the fear of electric shock when people install the high-power LED spotlight.
  • the inner surface of the lamp body cover 4, that is, the metal plated layer 5 and the straight down stripe 11 are bonded to the straight down recess 12 between the two straight strips 11 to form upper and lower open air passages.
  • a plurality of air passages can be formed on the outer surface of the metal lamp body 1, so that the heat radiated from the surface of the metal lamp body 1 can be quickly dissipated, and the good ventilation also cools the surface of the metal lamp body 1. , the heat dissipation effect is further improved.
  • the base 3 is a bayonet cap to accommodate the current card holder.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (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

L'invention porte sur un spot lumineux à diode électroluminescente de forte puissance, lequel spot comprend un corps de lampe en métal (1), une diode électroluminescente de forte puissance, une lentille (2) disposée à une extrémité avant du corps de lampe en métal, une tête de lampe (3) disposée à une extrémité arrière du corps de lampe en métal, et un capot de corps de lampe (4) réalisé en un matériau isolant. La forme du capot de corps de lampe correspond à la forme du corps de lampe en métal.
PCT/CN2010/001993 2009-12-10 2010-12-08 Spot lumineux à diode électroluminescente de forte puissance WO2011069337A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200920212864.4 2009-12-10
CN2009202128644U CN201568819U (zh) 2009-12-10 2009-12-10 一种大功率led射灯

Publications (1)

Publication Number Publication Date
WO2011069337A1 true WO2011069337A1 (fr) 2011-06-16

Family

ID=42661110

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/001993 WO2011069337A1 (fr) 2009-12-10 2010-12-08 Spot lumineux à diode électroluminescente de forte puissance

Country Status (2)

Country Link
CN (1) CN201568819U (fr)
WO (1) WO2011069337A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423184A (zh) * 2015-12-01 2016-03-23 罗敏聪 通风玻璃led射灯

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201568819U (zh) * 2009-12-10 2010-09-01 上海开腾信号设备有限公司 一种大功率led射灯
CN102692001B (zh) * 2012-06-07 2014-04-23 陈广友 Led灯座

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201028339Y (zh) * 2007-02-06 2008-02-27 深圳市中电淼浩固体光源有限公司 一种组合型功率型led灯杯
CN201106774Y (zh) * 2006-12-13 2008-08-27 付刚 一种发光二极管灯
CN201203083Y (zh) * 2008-05-12 2009-03-04 张春涛 新型高密集散热结构大功率led灯
CN201265812Y (zh) * 2008-09-27 2009-07-01 许健新 一种led射灯
CN201568819U (zh) * 2009-12-10 2010-09-01 上海开腾信号设备有限公司 一种大功率led射灯

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201106774Y (zh) * 2006-12-13 2008-08-27 付刚 一种发光二极管灯
CN201028339Y (zh) * 2007-02-06 2008-02-27 深圳市中电淼浩固体光源有限公司 一种组合型功率型led灯杯
CN201203083Y (zh) * 2008-05-12 2009-03-04 张春涛 新型高密集散热结构大功率led灯
CN201265812Y (zh) * 2008-09-27 2009-07-01 许健新 一种led射灯
CN201568819U (zh) * 2009-12-10 2010-09-01 上海开腾信号设备有限公司 一种大功率led射灯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105423184A (zh) * 2015-12-01 2016-03-23 罗敏聪 通风玻璃led射灯

Also Published As

Publication number Publication date
CN201568819U (zh) 2010-09-01

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