WO2009155769A1 - Lampe fluorescente à dissipation de chaleur - Google Patents

Lampe fluorescente à dissipation de chaleur Download PDF

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Publication number
WO2009155769A1
WO2009155769A1 PCT/CN2008/073849 CN2008073849W WO2009155769A1 WO 2009155769 A1 WO2009155769 A1 WO 2009155769A1 CN 2008073849 W CN2008073849 W CN 2008073849W WO 2009155769 A1 WO2009155769 A1 WO 2009155769A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
dissipating
fluorescent lamp
light source
lamp according
Prior art date
Application number
PCT/CN2008/073849
Other languages
English (en)
Chinese (zh)
Inventor
李刚
齐水山
古远生
吴启保
Original Assignee
深圳市方大国科光电技术有限公司
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 深圳市方大国科光电技术有限公司 filed Critical 深圳市方大国科光电技术有限公司
Publication of WO2009155769A1 publication Critical patent/WO2009155769A1/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
    • 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
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • 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
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to the field of illumination, and more particularly to a heat-dissipating fluorescent lamp for illumination.
  • Some existing fluorescent lamps are used to put low-power LEDs into the lamps.
  • the illumination intensity produced by such fluorescent lamps is not good enough, and the heat dissipation effect is poor.
  • Some fluorescent lamps have high-power LEDs that are charged into the lamps because It spreads well to the outside world, causing the fluorescent lamp to burn out due to excessive temperature.
  • the technical problem to be solved by the present invention is to provide a heat-dissipating fluorescent lamp having a good heat-dissipating effect in view of the above-mentioned defects of poor heat dissipation of the prior art.
  • the technical solution adopted by the present invention to solve the technical problem is: constructing a heat-dissipating fluorescent lamp, comprising a light source and a transparent lamp cover disposed at a periphery of the light source, the heat-dissipating fluorescent lamp further comprising a transparent lamp cover connected
  • the heat sink is disposed in a space formed by the combination of the heat sink and the transparent lamp cover, and a light plate for fixing the light source and transferring heat generated by the light source to the heat sink is disposed in the space.
  • the light source is a high-power LED
  • the light board is an LED light board.
  • the LED light board is a PCB board; the PCB board is in direct contact with the heat sink.
  • the LED lamp panel is an aluminum substrate, and an insulating thermally conductive silica gel is disposed between the aluminum substrate and the heat sink.
  • the heat sink includes a plurality of heat-dissipating protrusions of the upper portion and at least two hooks of the lower portion.
  • the heat-dissipating protrusions are left-right symmetric heat-dissipating protrusions, and the hooks are left-right symmetrical hooks.
  • the hook is a first protrusion and a portion perpendicular to the upper portion
  • the second protrusion is connected and perpendicular to the second protrusion, and the second protrusion is a second protrusion extending outward.
  • the transparent lamp cover includes a circular lower portion and an upper portion connected to the lower portion, and the upper portion is two opposite and inwardly extending limiting protrusions.
  • the heat-dissipating protrusions are a plurality of "Y"-shaped protrusions uniformly distributed around the center of the lamp holder, and the hooks are left-right symmetrical hooks.
  • the heat-dissipating fluorescent lamp further includes a plastic lamp cap respectively disposed at two ends of the heat dissipating member and screwed to both ends of the heat dissipating member, wherein the heat dissipating seat is provided with a cavity that is directly connected to the outside world.
  • the heat-dissipating fluorescent lamp embodying the invention has the following beneficial effects:
  • the heat-dissipating fluorescent lamp of the present invention comprises a light source and a transparent light cover which is transparent to the light source
  • the heat-dissipating fluorescent lamp comprises a heat-dissipating seat fastened on the transparent lamp cover
  • the light source is disposed on the heat-dissipating seat and the In a space formed by the fastening of the transparent lamp cover, a light plate for fixing the light source and transferring heat generated by the light source to the heat sink is disposed between the light source and the heat sink.
  • Such a structure enables the heat generated by the heat-dissipating fluorescent lamp to be quickly transmitted to the heat sink, and then radiated to the outside through the heat sink, thereby reducing the temperature of the heat-dissipating fluorescent lamp, thereby prolonging the life of the heat-dissipating fluorescent lamp.
  • FIG. 1 is a front view of the first embodiment of the heat-dissipating fluorescent lamp of the present invention after removing the plastic lamp cap;
  • FIG. 2 is a schematic structural view of the first embodiment of the heat-dissipating fluorescent lamp of the present invention.
  • Figure 3 is a perspective exploded view of the first embodiment of the heat-dissipating fluorescent lamp of the present invention.
  • FIG. 4 is a front perspective view of the second embodiment of the heat-dissipating fluorescent lamp of the present invention after removing the plastic lamp cap;
  • FIG. 5 is a perspective exploded view of the second embodiment of the heat-dissipating fluorescent lamp of the present invention.
  • FIG. 6 is a front structural view of the third embodiment of the heat-dissipating fluorescent lamp of the present invention after removing the plastic lamp cap;
  • FIG. 7 is a front structural view of the fourth embodiment of the heat-dissipating fluorescent lamp of the present invention after removing the plastic lamp cap;
  • 8 is a front structural view of the fifth embodiment of the heat-dissipating fluorescent lamp of the present invention with the plastic lamp cap removed.
  • the heat-dissipating fluorescent lamp comprises a light source 10, a transparent lamp cover 14 and two plastic lamp caps 20, wherein the heat-dissipating fluorescent lamp
  • the heat sink 13 is fastened to the transparent lamp cover 14.
  • the light source 10 is disposed in a space formed by the heat sink 13 and the transparent lamp cover 14.
  • the fixed light source 10 is disposed between the light source 10 and the heat sink 13 and the light source 10 is disposed. The generated heat is transferred to the lamp panel 11 of the heat sink 13.
  • the heat sink 13 is made of a metal having good heat conductivity (for example, aluminum, copper, etc.), including an upper portion and a lower portion, and the upper portion further includes a plurality of different heat dissipation protrusions 131.
  • the upper heat dissipation protrusions 131 are symmetrically symmetrical in design and manufacture, and the heat dissipation protrusions 131 on the left and right sides are connected together by one square in the middle, and the heat dissipation protrusions 131 are further provided between the heat dissipation protrusions 131.
  • a heat dissipation groove 132 having a large heat dissipation area.
  • the lower portion further includes a plurality of identical hooks.
  • the hook includes a first protrusion 133 and a second protrusion 134.
  • the top surface of the first protrusion 133 is connected to the bottom surface of the upper portion of the heat sink, and the bottom surface of the first protrusion 133 is connected with the second protrusion.
  • the second protrusion 134 is perpendicular to the first protrusion 133 and extends outward.
  • the first protrusion 133, the second protrusion 134, and the bottom surface of the upper portion of the heat sink define a recess 35.
  • a space formed by the two first protrusions 133 and the bottom surface of the upper portion of the heat sink 13 is mounted with a light board 11, and the light board 11 is an LED light board, and a light source 10 is mounted under the LED light board.
  • the LED light board is made of metal (such as aluminum)
  • the insulating light-emitting silicone is filled between the LED light board 11 and the heat sink 13 to prevent short circuit.
  • the LED light board 11 is a PCB board
  • the PCB board is The heat sinks 13 are directly connected together.
  • the light source 10 uses a high power LED.
  • the transparent lampshade 14 also includes an upper part and a lower part, the lower part of which is circular
  • the upper portion is connected to the lower portion, and the upper portion is two oppositely extending protrusions 141 extending in the middle, and the limiting protrusion 41 is also a square.
  • the transparent cover 14 is fastened or pressed into the heat sink, the two limiting protrusions 141 are mounted in the groove 35.
  • the transparent lamp cover 14 may be made of a glass product or an injection molded of a transparent plastic.
  • the heat sink 13 is directly in contact with the outside air, thereby transferring the heat generated on the light source 10 to the heat sink 13, and then passing through the heat sink. 1 3 communicates or conducts with the outside air, effectively reducing the temperature of the entire heat-dissipating fluorescent lamp, especially the light source 10, so that the life of the entire heat-dissipating fluorescent lamp is improved.
  • the present invention includes an upper heat sink 44 and a lower PC transparent lamp cover 47.
  • the heat sink 44 is connected to the PC transparent lamp cover 47.
  • the thermal conductive silica gel 43 disposed under the heat sink 44 and the PCB board 41 connected to the bottom surface of the thermal conductive silicone 43 are respectively mounted on the bottom surface of the PCB board 41.
  • the heat dissipation protrusion 42 is formed as a plurality of "Y" type protrusions uniformly distributed around the center of the lamp holder.
  • the bottom of the "Y" shaped projection is attached to a circular arc shaped heat sink.
  • the middle portion of the heat sink 44 is also designed and manufactured into two cavities 4 6, and the air in the cavity 46 can directly convect with the outside, which can better improve the heat dissipation effect.
  • the plastic base 45 connected to both ends of the heat dissipation projection 42 is a cylinder and a projection. The rest is the same as the first embodiment, and therefore will not be described.
  • Fig. 6 is a third embodiment of the present invention, which is different from the foregoing embodiment in that the PCB board 61 is made of an aluminum substrate, which also improves the heat dissipation effect.
  • FIG. 7 is a fourth embodiment of the present invention, which is different from the foregoing embodiment in that the light source 10 and the light panel 11 are replaced by the illumination module 72 and the module fixing aluminum bracket 71.
  • SMD is used.
  • the LEDs are the same, so they are not mentioned.

Abstract

L’invention concerne une lampe fluorescente à dissipation de chaleur comprenant une source de lumière (10) et un capot de lampe transparent (14) disposé autour de la source de lumière (10). Ladite lampe fluorescente à dissipation de chaleur comprend en plus une base de dissipation de chaleur (13) reliée audit capot de lampe transparent (14). Ladite source de lumière (10) est disposée dans l’espace formé par la combinaison de ladite base de dissipation de chaleur (13) et dudit capot de lampe transparent (14). Un panneau de lampe (11) est disposé dans ledit espace pour fixer ladite source de lumière (10) et transférer la chaleur générée par la source de lumière (10) à la base de dissipation de chaleur (13).
PCT/CN2008/073849 2008-06-25 2008-12-30 Lampe fluorescente à dissipation de chaleur WO2009155769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200820095062.5 2008-06-25
CNU2008200950625U CN201242127Y (zh) 2008-06-25 2008-06-25 散热日光灯

Publications (1)

Publication Number Publication Date
WO2009155769A1 true WO2009155769A1 (fr) 2009-12-30

Family

ID=40715419

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/073849 WO2009155769A1 (fr) 2008-06-25 2008-12-30 Lampe fluorescente à dissipation de chaleur

Country Status (2)

Country Link
CN (1) CN201242127Y (fr)
WO (1) WO2009155769A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011098411A3 (fr) * 2010-02-09 2011-10-20 Dewinci Gmbh Tube lumineux à led

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6173674B2 (ja) * 2012-10-24 2017-08-02 日立アプライアンス株式会社 照明装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1953164A (zh) * 2005-10-20 2007-04-25 富准精密工业(深圳)有限公司 发光二极管封装结构及封装方法
WO2007090292A1 (fr) * 2006-02-09 2007-08-16 Led Smart Inc. Systeme d'eclairage par led
EP1821030A1 (fr) * 2006-02-15 2007-08-22 IDEALED S.r.l. Unipersonale Unité d'éclairage a DEL
CN201034306Y (zh) * 2007-05-17 2008-03-12 叶卫国 一种发光二极管日光灯

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1953164A (zh) * 2005-10-20 2007-04-25 富准精密工业(深圳)有限公司 发光二极管封装结构及封装方法
WO2007090292A1 (fr) * 2006-02-09 2007-08-16 Led Smart Inc. Systeme d'eclairage par led
EP1821030A1 (fr) * 2006-02-15 2007-08-22 IDEALED S.r.l. Unipersonale Unité d'éclairage a DEL
CN201034306Y (zh) * 2007-05-17 2008-03-12 叶卫国 一种发光二极管日光灯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011098411A3 (fr) * 2010-02-09 2011-10-20 Dewinci Gmbh Tube lumineux à led

Also Published As

Publication number Publication date
CN201242127Y (zh) 2009-05-20

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