WO2014036816A1 - Source d'éclairage - Google Patents

Source d'éclairage Download PDF

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Publication number
WO2014036816A1
WO2014036816A1 PCT/CN2013/072155 CN2013072155W WO2014036816A1 WO 2014036816 A1 WO2014036816 A1 WO 2014036816A1 CN 2013072155 W CN2013072155 W CN 2013072155W WO 2014036816 A1 WO2014036816 A1 WO 2014036816A1
Authority
WO
WIPO (PCT)
Prior art keywords
light source
heat sink
heat
illuminating device
air
Prior art date
Application number
PCT/CN2013/072155
Other languages
English (en)
Chinese (zh)
Inventor
薛信燊
全宗丰
Original Assignee
深圳市众明半导体照明有限公司
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 深圳市众明半导体照明有限公司 filed Critical 深圳市众明半导体照明有限公司
Publication of WO2014036816A1 publication Critical patent/WO2014036816A1/fr

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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
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • 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
    • 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
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • 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
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
    • 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
    • F21V29/15—Thermal insulation
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Definitions

  • the utility model belongs to the technical field of illumination, in particular to a lighting device.
  • An object of the embodiments of the present invention is to provide a lighting device, which aims to solve the problem of poor heat dissipation effect of the existing lighting device.
  • a lighting device includes a light source and a driving power source for supplying power to the light source, and the light source is mounted on a light source heat sink thermally isolated from the power source heat sink.
  • the light source is installed on the light source heat sink that is thermally isolated from the power source heat sink, so that the light source is separated from the heat source of the driving power source, and the heat dissipation of the two is relatively independent, no longer affect each other, and the heat dissipation effect is good, and the light source and the driver are ensured.
  • the service life of the power supply helps to extend the life of the entire lighting device.
  • the lighting device has a simple structure and is easy to assemble.
  • the embodiments of the present invention can be applied to various light source products or lamp products requiring independent power supply devices, such as halogen lamps, discharge lamps, fluorescent lamps, lamp lamps, high pressure sodium lamps, solid state semiconductor illumination lamps (LED/OLED), and spotlights. , lamps, etc.
  • independent power supply devices such as halogen lamps, discharge lamps, fluorescent lamps, lamp lamps, high pressure sodium lamps, solid state semiconductor illumination lamps (LED/OLED), and spotlights. , lamps, etc.
  • FIG. 1 is a perspective view of a lighting device according to a first embodiment of the present invention
  • FIG. 2 is a cross-sectional view of a lighting device according to Embodiment 1 of the present invention.
  • FIG. 3 is an exploded view of a lighting device according to Embodiment 1 of the present invention.
  • FIG. 4 is a perspective view of a lighting device according to Embodiment 2 of the present invention.
  • Figure 5 is a perspective view of a lighting device according to a third embodiment of the present invention.
  • Figure 6 is a perspective view of a lighting device according to a fourth embodiment of the present invention.
  • Figure 7 is a cross-sectional view of a lighting device according to a fourth embodiment of the present invention.
  • FIG. 8 is an exploded view of a lighting device according to Embodiment 4 of the present invention.
  • Figure 9 is a perspective view of a lighting device according to Embodiment 5 of the present invention.
  • Figure 10 is a cross-sectional view of a lighting device according to a fifth embodiment of the present invention.
  • Figure 11 is an exploded view of a lighting device according to a fifth embodiment of the present invention.
  • Figure 12 is a perspective view of a lighting device according to a sixth embodiment of the present invention.
  • Figure 13 is a cross-sectional view of a lighting device according to a sixth embodiment of the present invention.
  • Figure 14 is an exploded view of a lighting device provided in Embodiment 6 of the present invention.
  • the light source is installed on the light source heat sink that is thermally isolated from the power source heat sink, so that the light source is separated from the heat source of the driving power source, and the heat dissipation of the two is relatively independent, no longer affect each other, and the heat dissipation effect is good, respectively ensuring the light source and
  • the service life of the drive power is beneficial to extend the service life of the entire lighting device. Therefore, the embodiments of the present invention can be applied to various light source products or lamp products requiring independent power supply devices, such as halogen lamps, discharge lamps, fluorescent lamps, lamp lamps, high pressure sodium lamps, solid state semiconductor illumination lamps (LED/OLED), and spotlights. , lamps, etc.
  • the illumination device provided by the embodiment of the present invention includes a light source 1 and a driving power source 2 for supplying power to the light source 1.
  • the light source 1 is mounted on a light source heat sink 12 thermally isolated from the power source heat sink 21. .
  • the light source 1 is separated from the driving power source 2, and the heat dissipation is relatively independent, and the heat dissipation effect is good, and the service life of the light source 1 and the driving power source 2 are respectively ensured, thereby prolonging the service life of the entire lighting device.
  • a plurality of heat-insulating buckles 22 fixed to the heat sink 6 are disposed on the top of the power source heat sink 21, and gaps 23 between the adjacent heat-insulating buckles 22 for air flow are formed. In this way, the air flow will quickly take away the heat transferred to the power source heat sink 21 and the heat sink 6, and the heat dissipation is very rapid and timely.
  • a light-transmitting cover 15 is disposed between the heat sink 6 and the light source heat sink 12, and the light source heat sink 12 is connected to the light source 1 through the heat-conducting column 13.
  • the heat generated by the light source 1 is transmitted to the light source heat sink 12 via the heat conducting column 13 and then released to the surrounding air, as shown in FIGS.
  • the heat sink 12 is designed to keep the light source heat sink 12 away from the power source heat sink 21, and the heat dissipation effect is excellent.
  • the wires 7 connecting the driving power source 2 and the light source 1 are passed through the heat sink 6 and the insulating sheet 8, and the insulating sheet 8 electrically isolates the driving power source 2 from the external conductor.
  • the power source heat sink 21 has a cavity 9 into which the driving power source 2 and the insulating sheet 8 are sequentially placed. Further, the power source heat sink 21 is screwed to the base 10.
  • the heat sink 6 is provided to support the support column 63 of the light source 1.
  • the heat generated by the light source 1 is transmitted to the heat sink 6 via the support column 63, and then released to the surrounding air. Further improving the heat dissipation efficiency of the light source 1, as shown in FIG.
  • the light source heat sink 12 and the heat sink 6 are respectively provided with a plurality of air guiding holes 16 through which air flows, so as to facilitate the transmission to the light source heat sink 12
  • the heat of the heat sink 6 is quickly released to the air and convects with the outside air, and the heat released to the air is quickly taken away.
  • the flow guiding hole 16 and the gap 23 form an upper and lower omnidirectional heat flow passage, thereby further improving the heat dissipation effect of the illumination device.
  • the light source 1 is covered by the protective casing 3.
  • the protective casing 3 is located substantially in the middle of the transparent cover 15 and is easy to form strong convection of the air between the transparent cover 15 and the protective casing 3.
  • the heat conducting column 13 and the supporting column 63 pass through the protective shell 3 and are perpendicularly connected to the substrate 11 where the light source 1 is located, so that the heat conducting column 13 and the supporting pillar 63 are in contact with the substrate 11 .
  • the area is large, which is good for heat conduction.
  • Multiple LEDs 14 is evenly distributed on the upper surface and the lower surface of the substrate 11, so that the LED bulb lamp emits light uniformly. For example, four LEDs 14 are disposed on the upper and lower surfaces of the substrate 11.
  • the heat sink 6 is provided with a first reflecting surface 61 facing the light source 1
  • the light source heat sink 12 is provided with a second reflecting surface 62 opposite to the first reflecting surface 61
  • the first reflecting surface 61 is Upper convex arc shape.
  • the light emitted by the LED 14 is first optically processed by the protective cover 3, and then optically processed by the first reflective surface 61 and the second reflective surface 62 to achieve 360° omnidirectional illumination.
  • the embodiment of the present invention is provided with a plurality of light source heat sinks 12 and the heat sink 6 instead of the above embodiments.
  • the heat dissipating strips 41 of the transparent cover are completely exposed to the outside air by the heat dissipating strips 41, the heat sinks 6, and the light source heat sinks 12. This increases the contact area with the outside air, and the heat generated by the light source and the driving power source is no longer accumulated in a large area, and is easily released to the surrounding air, and then the air stream takes away the heat generated by the light source and the power source, and the heat dissipation effect is excellent. .
  • the strip radiator 4 forms a gap 5 between the shield case 3 for protecting the light source 1 through which air flows.
  • the distance between the light source 1 and the driving power source 2 and the outside air is small, and the heat dissipation path is short.
  • the illuminating device has the heat dissipating strip 41
  • the light emitted by the light source 1 is diffracted when passing through the heat dissipating strip 41. If viewed from a distance, the actual heat dissipating strip 41 is not visible, which is visually invisible. Photomask. Further, the surfaces of the heat dissipation strip 41, the light source heat sink 12 and the heat sink 6 are all reflective surfaces to make the illumination device more uniform. In addition, if the heat generated by the driving power source 2 is small, the lamp cap 10 can be directly used as a power source heat sink to reduce the production cost.
  • the protective shell 3 for protecting the light source 1 is provided, and the same material and/or structure as the existing lamp bulb is used. In this way, while protecting the light source 1, the effect of the existing blister on the illuminating effect and color is retained. Since the outer contour of the heat radiating strip 41 is larger than the size of the protective shell 3, the protective shell 3 is protected from damage, and an LED bulb having the same contour as that of the first, second or third bulbs of the embodiment can be produced. Of course, the protective case 3 can also be eliminated depending on the type of the light source.
  • the light source heat sink 19 is in the shape of a cup in the embodiment, and the light source 1 is mounted on the bottom of the light source heat sink 19, as shown in FIGS. 9-11.
  • the light source heat sink 19 is fixed to the power source heat sink 21 through a plurality of heat insulating buckles 17, thereby forming thermal isolation between the light source heat sink 19 and the power source heat sink 21 to ensure respective heat dissipation effects.
  • a gap 23 for air flow is formed between adjacent heat-insulating buckles 17 to improve the heat dissipation performance of the LED spotlight.
  • the spotlight further includes a lens 18 that causes the light emitted by the light source 1 to exit as desired.
  • the light source 1 is covered by the lens 18, and the heat sink cover 29 is disposed between the light source heat sink 19 and the lens 18, and the heat sink cover 29 and the light source heat sink are different from the fifth embodiment.
  • the bottom of each of the 19 is provided with a plurality of flow guiding holes 30 through which the air flows, as shown in Figs. In this way, the light source heat sink 19 dissipates heat faster and the effect is better. At the same time, the LED spotlight has a simple structure and high assembly efficiency.

Abstract

L'invention concerne une source d'éclairage utilisée dans le domaine de la technologie d'éclairage. La source d'éclairage comprend une source de lumière (1) et une source d'énergie de commande (2) utilisée pour délivrer de l'énergie à la source de lumière (1), la source de lumière (1) étant montée sur un radiateur de source de lumière (12) isolé thermiquement d'un radiateur d'alimentation (21). La source de lumière (1) est montée sur le radiateur de source de lumière (12) isolé thermiquement du radiateur d'alimentation (21), de sorte que la dissipation thermique de la source de lumière (1) est isolée de celle de la source d'énergie de commande (2), les dissipations thermiques sont relativement indépendantes l'une de l'autre et ne sont pas influencées mutuellement, ce qui permet d'obtenir un effet de dissipation thermique souhaité en garantissant les durées de vie respectives de la source de lumière (1) et de la source d'énergie de commande (2) tout en étant avantageux pour la prolongation de la durée de vie de la source d'éclairage. Par conséquent, la source d'éclairage peut être appliquée à différents produits à source de lumière ou produits à lampe nécessitant un dispositif d'alimentation en énergie indépendant, tels qu'une lampe halogène, une lampe à décharge électrique, une lampe fluorescente, une lampe de voiture, une lampe au sodium à haute pression, un dispositif d'éclairage à semiconducteur (LED/OLED), un projecteur et un tube luminescent.
PCT/CN2013/072155 2012-09-05 2013-03-04 Source d'éclairage WO2014036816A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201220449570.5 2012-09-05
CN2012204495705U CN202769377U (zh) 2012-09-05 2012-09-05 照明装置

Publications (1)

Publication Number Publication Date
WO2014036816A1 true WO2014036816A1 (fr) 2014-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/072155 WO2014036816A1 (fr) 2012-09-05 2013-03-04 Source d'éclairage

Country Status (2)

Country Link
CN (1) CN202769377U (fr)
WO (1) WO2014036816A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791664A (zh) * 2015-04-21 2015-07-22 江苏佳华新材料科技有限公司 化工场所用灯

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102853297A (zh) * 2012-09-05 2013-01-02 深圳市众明半导体照明有限公司 照明装置
CN105276421A (zh) * 2015-11-20 2016-01-27 苏州铭冠软件科技有限公司 凹面oled聚光灯

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201954312U (zh) * 2010-12-28 2011-08-31 史杰 分体式led灯
WO2011124457A1 (fr) * 2010-04-07 2011-10-13 Osram Gesellschaft mit beschränkter Haftung Lampe à semi-conducteurs
CN202024257U (zh) * 2011-01-28 2011-11-02 合心科技股份有限公司 Led灯具
CN202361116U (zh) * 2011-11-01 2012-08-01 杭州潮江科技有限公司 具有新型散热结构的led灯
CN102853297A (zh) * 2012-09-05 2013-01-02 深圳市众明半导体照明有限公司 照明装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011124457A1 (fr) * 2010-04-07 2011-10-13 Osram Gesellschaft mit beschränkter Haftung Lampe à semi-conducteurs
CN201954312U (zh) * 2010-12-28 2011-08-31 史杰 分体式led灯
CN202024257U (zh) * 2011-01-28 2011-11-02 合心科技股份有限公司 Led灯具
CN202361116U (zh) * 2011-11-01 2012-08-01 杭州潮江科技有限公司 具有新型散热结构的led灯
CN102853297A (zh) * 2012-09-05 2013-01-02 深圳市众明半导体照明有限公司 照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791664A (zh) * 2015-04-21 2015-07-22 江苏佳华新材料科技有限公司 化工场所用灯

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