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WO2019114295A1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

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Publication number
WO2019114295A1
WO2019114295A1 PCT/CN2018/099289 CN2018099289W WO2019114295A1 WO 2019114295 A1 WO2019114295 A1 WO 2019114295A1 CN 2018099289 W CN2018099289 W CN 2018099289W WO 2019114295 A1 WO2019114295 A1 WO 2019114295A1
Authority
WO
WIPO (PCT)
Prior art keywords
disposed
light emitting
lens
heat sink
lighting device
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.)
Ceased
Application number
PCT/CN2018/099289
Other languages
English (en)
Chinese (zh)
Inventor
陈凯
黄建明
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.)
Zhejiang Hpwinner Scientific Co Ltd
Original Assignee
Zhejiang Hpwinner Scientific 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 Zhejiang Hpwinner Scientific Co Ltd filed Critical Zhejiang Hpwinner Scientific Co Ltd
Publication of WO2019114295A1 publication Critical patent/WO2019114295A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/508—Cooling arrangements characterised by the adaptation for cooling of specific components of electrical circuits
    • 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
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape

Definitions

  • Embodiments of the present disclosure relate to a lighting device.
  • a Light Emitting Diode is a semiconductor light emitting device.
  • a light emitting diode includes a semiconductor chip, and by applying a current to the semiconductor chip, photon emission can be caused by composite emission of carriers in the semiconductor to cause photon emission, thereby enabling the semiconductor chip to emit light.
  • An LED lighting device is an illumination device that uses a light emitting diode as a light source. LED lighting device has the advantages of energy saving, long life, good applicability, short response time and environmental protection. Therefore, it has a good application prospect in the fields of illumination, signal indication and backlight display.
  • At least one embodiment of the present disclosure provides a lighting device including: a light emitting assembly having a light emitting surface and a back surface away from the light emitting surface; and a heat sink disposed on a side of the back side of the light emitting assembly,
  • the light emitting component includes at least one light emitting diode module
  • the heat sink includes a heat dissipation tube and a heat sink group, one end of the heat dissipation tube is disposed in contact with the back surface of the light emitting assembly
  • the heat sink group includes a plurality of Heat sinks are disposed at intervals, and the heat pipe is disposed in contact with the heat sink.
  • each of the heat dissipation fins includes a through hole, and the heat dissipation tube is disposed in the through hole.
  • the light emitting component is formed by splicing a plurality of the light emitting diode modules.
  • the LED module includes: a circuit board; at least one LED component disposed on a side of the circuit board away from the heat sink; a lens assembly Forming an accommodation space between the circuit board and the circuit board; and a lens frame disposed on a side of the lens assembly away from the circuit board and configured to fasten the lens assembly
  • the at least one light emitting diode element is disposed in the accommodating space.
  • the lens assembly includes: a lens plate including a plurality of lens holes; and a plurality of microlenses including a lens wide portion and a lens narrow portion, the plurality of lens holes Provided in one-to-one correspondence with the plurality of microlenses, the lens narrow portions of the microlenses are disposed in the corresponding lens holes, and the lens wide portion of each of the microlenses is disposed on the lens plate Near the side of the lens frame.
  • a side of the circuit board adjacent to the heat sink is provided with a protrusion, the protrusion includes a through hole, and the through hole penetrates the protrusion.
  • a part of the heat pipe is disposed in the through hole.
  • the through hole further penetrates the circuit board, and the microlens further includes a hollow portion, and the heat dissipation tube passes through the through hole and penetrates into the hollow portion .
  • the heat pipe includes a hollow copper pipe.
  • the heat sink further includes: a fixing member configured to connect and fix the plurality of spaced fins.
  • the plurality of spaced fins are disposed in parallel with each other.
  • an illumination device further includes: a lamp housing disposed around a side edge of the light emitting assembly, the lamp housing includes a first side plate, and the first side plate is provided with a first heat dissipation hole .
  • an illumination device further includes a protective cover fixed to the lamp housing and configured to cover the heat sink, and the protective cover is provided with a plurality of second heat dissipation holes.
  • an illumination device further includes: a mounting bracket including a mounting plate and a bracket portion connected to the mounting plate, the lamp housing further including a second side plate, the bracket portion and the first portion The two side panels are rotationally coupled and the mounting panel is configured to be secured in the installed position.
  • an illumination device further includes: an internal toothed disc fixed to the second side plate; and an external toothed disc disposed in cooperation with the internal toothed disc and fixed on the bracket portion,
  • the outer spur is configured to rotate in a plane in which the inner sprocket is located.
  • FIG. 1 is a schematic perspective structural view of a lighting device according to an embodiment of the present disclosure
  • FIG. 2 is an exploded perspective view of a lighting device according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a heat dissipation device according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of an LED module according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of an LED module according to an embodiment of the present disclosure.
  • Embodiments of the present disclosure provide a lighting device including a lighting assembly and a heat sink.
  • the light emitting component has a light emitting surface and a back surface away from the light emitting surface; the heat sink is disposed on a side of the back surface of the light emitting component; the light emitting component includes at least one light emitting diode module, the heat sink includes a heat dissipation tube and a heat sink group, and one end of the heat dissipation tube
  • the back surface of the light emitting component is in contact with the heat sink, and the heat sink is disposed in a plurality of spaced heat sinks, and the heat pipe is disposed in contact with the heat sink. Therefore, the illumination device can provide a lighting device with better heat dissipation performance and can realize different powers by combining different numbers of light emitting diode modules.
  • FIG. 1 is a schematic perspective view of a lighting device according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic diagram of disassembly of a lighting device according to an embodiment of the present disclosure.
  • the illumination device includes a light emitting assembly 110 and a heat sink 120.
  • the light emitting component 110 has a light emitting surface 111 and a back surface 112 away from the light emitting surface 111.
  • the heat sink 120 is disposed on a side of the back surface 112 of the light emitting component 110.
  • the light emitting component 110 includes at least one light emitting diode module 130, and the heat sink 120 includes a heat pipe.
  • the heat sink group 126 includes a plurality of spaced heat sinks 1265, and the heat pipe 124 is disposed in contact with the heat sink 1265.
  • one end of the heat pipe is disposed in contact with the back surface of the light emitting component, and the heat pipe is disposed in contact with the plurality of spaced heat sinks; therefore, heat generated by the light emitting component can be transmitted through the heat pipe to the heat pipe.
  • An interval is set on the heat sink. Since the heat dissipation area of the plurality of spaced fins is large, and the interval between the fins facilitates air circulation, not only the heat dissipation area is increased, but also the heat dissipation efficiency per unit area is improved, thereby greatly improving the illumination device. Cooling efficiency.
  • the lighting device can provide a lighting device with better heat dissipation performance.
  • the heat sink can be made of a thermally conductive material, such as a thermally conductive metal.
  • the light emitting assembly 110 is formed by splicing a plurality of light emitting diode modules 130. Therefore, the lighting device can flexibly realize different illumination powers by setting the number of the LED modules, and at the same time has better stability and long service life.
  • Each of the LED modules has a sub-light emitting surface, and the plurality of LED modules are spliced so that the sub-light emitting surfaces of the plurality of LED modules are disposed in the same plane to form a light emitting surface of the LED module.
  • the light-emitting component 110 is formed by splicing nine LED modules 130.
  • the illumination device further includes a lamp housing 140 disposed around a side edge of the lighting assembly 110; the lamp housing 140 includes a first side panel 141 disposed on the first side panel 141 There is a first heat dissipation hole 1410. Thereby, the heat dissipation holes on the first side plate can play a heat dissipation function, thereby improving the heat dissipation performance of the illumination device.
  • the first side plate provided with the heat dissipation hole can prevent the collision of the light-emitting module during the collision process; on the other hand, the heat dissipation hole can allow the air to circulate, thereby dissipating the heat-emitting module, for example, the temperature is low.
  • the air contacts the illuminating module through the louver and exchanges heat, thereby dissipating heat from the illuminating module.
  • the light emitting module according to the embodiment of the present invention is illustrated as having a substantially rectangular planar structure, however, the light emitting module according to the embodiment of the present invention
  • the planar shape is not limited to a rectangle, which may be square, circular, elliptical, or any other regular or irregular shape.
  • the first side plate and the second side plate may have a certain curvature accordingly.
  • the illumination device further includes a protective cover 200 that is secured to the lamp housing 140 and that covers the heat sink 120. Further, the protective cover 200 is provided with a second heat dissipation hole 201.
  • the protective cover 200 can protect the heat sink 120 on the one hand, and can make the air flowable through the second heat dissipation hole 201 on the other hand, so that the heat sink 120 can work normally.
  • the lighting device further includes a mounting bracket 150 including a mounting plate 151 and a bracket portion 152 coupled to the mounting plate 151, the lamp housing 140 further including a second side panel 142,
  • the bracket portion 152 is rotatably coupled to the second side plate 142, and the mounting plate 151 can be fixed in the mounting position.
  • the illuminating device can be fixed in the mounting position by the mounting plate, and the illuminating direction of the illuminating device can be rotated by the rotational connection of the bracket portion and the second side plate.
  • a mounting hole can be provided on the mounting plate, and the mounting plate can be fixed in the mounting position through the mounting hole by screws.
  • the present disclosure includes but is not limited thereto, and the mounting plate may be fixed in the mounting position by other fixing means.
  • the illuminating device further includes an external spur 160 fixed to the second side plate 142; and an internal sprocket 170 disposed in cooperation with the external spur 160 and fixed to On the bracket portion 152, the internal sprocket 170 is rotatable in the plane in which the external spur 160 is located. Thereby, the illuminating device can be rotated on a plane in which the external spur/inner sprocket rotates, thereby providing different illumination angles.
  • the positions of the inner and outer spurs are interchangeable, that is, the inner sprocket is fixed on the second side plate, and the outer spur is fixed on the bracket and is disposed in cooperation with the inner sprocket.
  • the present disclosure includes but is not limited thereto, and the lighting device may also adopt other manners to achieve a rotational connection between the bracket portion and the second side panel.
  • the internal sprocket can be fixed to the second side plate by screws, and the external spur can also be fixed to the bracket by screws.
  • the illumination device further includes an adjustment device 181; the adjustment device 181 is fixedly coupled to the outer spur 160 and the inner spur 170, for example, via a pivot pin 183.
  • the relative movement of the outer spur 160 and the inner spur 170 can be driven by the rotation adjusting device 181, so that the bracket portion and the second side plate can be relatively moved, so that the illumination direction of the illuminating device can be rotated.
  • the illumination device further includes an adjustment lever 182 that is fixedly coupled to the adjustment device 181 and used to drive the adjustment device 181 to rotate, thereby reducing the force of the rotation adjustment device 181. The user operates.
  • the lighting device further includes a handle 190 with the handle 190 fixedly coupled to the lamp housing 140.
  • the handle can facilitate the user to carry or carry the lighting device.
  • FIG. 3 is a schematic structural diagram of a heat sink in a lighting device according to an embodiment of the present disclosure.
  • the heat sink 120 includes a heat dissipation tube 124 and a heat sink unit 126.
  • One end of the heat dissipation tube 124 is disposed in contact with the back surface 112 of the light emitting assembly 110.
  • the heat sink unit 126 includes a plurality of spaced heat sinks 1265, and a heat dissipation tube. 124 is placed in contact with the heat sink 1265.
  • Each of the fins 1265 includes a through hole 1267 through which the heat pipe 124 can be disposed to be in contact with the heat sink 1265.
  • heat generated by the light-emitting component can be facilitated to be transferred to the plurality of spaced-apart heat sinks through the heat pipe.
  • the above-described heat sink has a convenient structure and is easy to maintain and clean.
  • the heat pipe can be a hollow copper tube, so that the heat pipe can have a strong thermal conductivity.
  • the embodiments of the present disclosure include, but are not limited to, the heat pipe can also be made of other materials with better thermal conductivity.
  • the heat sink further includes a fixture 128 for connecting and securing spaced fins 1265.
  • a plurality of spaced fins 1265 are disposed in parallel with each other, so that the interval between the fins 1265 is more conducive to air circulation, thereby improving heat dissipation capability.
  • FIG. 4 is a schematic structural diagram of an LED module according to an embodiment of the present disclosure.
  • the LED module 130 includes a circuit board 131; at least one LED element 132 disposed on a side of the circuit board 131 away from the heat sink; disposed on the circuit board 131 and forming a circuit with the circuit board 131 a lens assembly 133 accommodating the space; and a lens frame 134 disposed on a side of the lens assembly 133 away from the circuit board 131 and used to fasten the lens assembly 133 on the circuit board 131.
  • the at least one light emitting diode element 132 is disposed in the accommodating space described above; thereby, the accommodating space between the lens assembly 133 and the circuit board 131 can protect the light emitting diode element 132.
  • the lens assembly 133 can also distribute light emitted by the light emitting diode element 132.
  • lens assembly 133 includes a lens plate 1331 and a plurality of microlenses 1334; lens plate 1331 includes a plurality of lens apertures 1332; microlens 1334 includes lens wide 1335 and lens narrow 1336 A plurality of lens holes 1332 and a plurality of microlenses 1334 are disposed in one-to-one correspondence, and lens narrow portions 1336 of the respective microlenses 1334 are disposed in correspondingly disposed lens holes 1332, and lens width portions 1335 of the respective microlenses 1334 are disposed correspondingly. Outside the lens hole 1332 provided, that is, the lens wide portion 1335 of each microlens 1334 is disposed on the side of the lens plate 1331 near the lens frame 134.
  • the lens plate 1331, the lens wide portion 1335, and the lens narrow portion 1336 are integrally formed.
  • FIG. 5 is a schematic structural diagram of another LED module according to an embodiment of the present disclosure.
  • a side of the circuit board 131 near the heat sink is provided with a protrusion 1315.
  • the protrusion 1315 includes a through hole 1317.
  • the through hole 1317 penetrates the protrusion 1315.
  • the heat dissipation tube 124 is disposed in the through hole 1317.
  • the heat pipe can be fixed to the circuit board by disposing a part of the heat pipe in the through hole, and the circuit board can be dissipated.
  • the through hole 1317 also penetrates the circuit board 131, and the microlens 1334 further includes a hollow portion 1337 through which the heat dissipation tube 124 passes and penetrates the hollow portion 1337. Therefore, the heat dissipation tube can be further disposed by disposing the heat dissipation tube in the through hole and passing through the through hole and deep into the hollow portion to fix the heat dissipation tube and dissipate heat to the circuit board, the accommodation space, and the microlens.

Landscapes

  • Engineering & Computer Science (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

L'invention concerne un dispositif d'éclairage comprenant un ensemble électroluminescent (110) et un radiateur (120). L'ensemble électroluminescent (110) a une face électroluminescente (111) et une face arrière (112) à l'opposé de la face électroluminescente (111). Le radiateur (120) est disposé sur un côté où est située la face arrière (112) de l'ensemble électroluminescent (110). L'ensemble électroluminescent (110) comprend au moins un module de diodes électroluminescentes (130). Le radiateur (120) comprend des tubes rayonnants (124) et des groupes d'ailettes rayonnantes (126). Une extrémité de chacun des tubes rayonnants (124) est disposée en contact avec la face arrière (112) de l'ensemble électroluminescent (110). Chacun des groupes d'ailettes rayonnantes (126) comprend de multiples ailettes rayonnantes (1265) disposées à intervalles. Les tubes rayonnants (124) sont disposés en contact avec les ailettes rayonnantes (1265).
PCT/CN2018/099289 2017-12-14 2018-08-08 Dispositif d'éclairage Ceased WO2019114295A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721743470.2 2017-12-14
CN201721743470.2U CN207514713U (zh) 2017-12-14 2017-12-14 照明装置

Publications (1)

Publication Number Publication Date
WO2019114295A1 true WO2019114295A1 (fr) 2019-06-20

Family

ID=62543982

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/099289 Ceased WO2019114295A1 (fr) 2017-12-14 2018-08-08 Dispositif d'éclairage

Country Status (2)

Country Link
CN (1) CN207514713U (fr)
WO (1) WO2019114295A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207514713U (zh) * 2017-12-14 2018-06-19 浙江华普永明科技有限公司 照明装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201259176Y (zh) * 2008-07-02 2009-06-17 宁波泰莱克斯照明有限公司 旋转精确定位装置
CN201285010Y (zh) * 2008-09-05 2009-08-05 中山伟强科技有限公司 一种led散热模块
JP2010267435A (ja) * 2009-05-13 2010-11-25 Fujine Sangyo:Kk Ｌｅｄ放熱装置およびｌｅｄ照明装置
CN102788277A (zh) * 2012-07-31 2012-11-21 苏州晶雷光电照明科技有限公司 一种具有双重散热功能的led灯
CN204459996U (zh) * 2015-01-15 2015-07-08 首都师范大学 一种路灯
CN207514713U (zh) * 2017-12-14 2018-06-19 浙江华普永明科技有限公司 照明装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201259176Y (zh) * 2008-07-02 2009-06-17 宁波泰莱克斯照明有限公司 旋转精确定位装置
CN201285010Y (zh) * 2008-09-05 2009-08-05 中山伟强科技有限公司 一种led散热模块
JP2010267435A (ja) * 2009-05-13 2010-11-25 Fujine Sangyo:Kk Ｌｅｄ放熱装置およびｌｅｄ照明装置
CN102788277A (zh) * 2012-07-31 2012-11-21 苏州晶雷光电照明科技有限公司 一种具有双重散热功能的led灯
CN204459996U (zh) * 2015-01-15 2015-07-08 首都师范大学 一种路灯
CN207514713U (zh) * 2017-12-14 2018-06-19 浙江华普永明科技有限公司 照明装置

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