EP3462077B1 - Dispositif d'éclairage - Google Patents

Dispositif d'éclairage Download PDF

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Publication number
EP3462077B1
EP3462077B1 EP17814549.6A EP17814549A EP3462077B1 EP 3462077 B1 EP3462077 B1 EP 3462077B1 EP 17814549 A EP17814549 A EP 17814549A EP 3462077 B1 EP3462077 B1 EP 3462077B1
Authority
EP
European Patent Office
Prior art keywords
lighting device
light source
housing
base plate
optical element
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.)
Active
Application number
EP17814549.6A
Other languages
German (de)
English (en)
Other versions
EP3462077A4 (fr
EP3462077A1 (fr
Inventor
Kun BAI
Hongbo Wang
Yisheng XIAO
Liang Cao
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.)
Opple Lighting Co Ltd
Original Assignee
Opple Lighting 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 Opple Lighting Co Ltd filed Critical Opple Lighting Co Ltd
Publication of EP3462077A1 publication Critical patent/EP3462077A1/fr
Publication of EP3462077A4 publication Critical patent/EP3462077A4/fr
Application granted granted Critical
Publication of EP3462077B1 publication Critical patent/EP3462077B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21K9/232—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
    • F21V29/83—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
    • 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
    • F21V23/005—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 is supporting also 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
    • 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
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • 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 embodiments of the present invention relate to the field of lighting technology, and particularly to a lighting device.
  • An existing lighting device generally illuminates an object by emitting light from an electrically driven, light source component, and then adjusts a lighting effect of the lighting device by regulating an electric current supplied to the light source component through a driving power supply component.
  • both the light source component and the driving power supply component through which the electric current passes will generate heat and the heat may cause a decline of reliability of the lighting device.
  • the Existing lighting device especially high-power lighting device, generally has a heat dissipation structure which is additionally disposed between a lamp housing and a cover.
  • the heat dissipation structure is mostly made of aluminum alloy, has many fins closely arranged thereon, and is complicated and heavy.
  • the heat dissipation structure is added to reduce a temperature of the entire lighting device when it emits light, which increases a weight and also a cost of the entire lighting device.
  • an LED bulb includes a lower cover having ventilation holes formed at outer periphery thereof, and a first coupling opening formed at top side thereof; a separating unit provided within the lower cover at a position between lower edges of the ventilation holes and bottom side of the lower cover, and having a convection pathway formed at top side thereof; a heat sink having bottom end positioned on top side of the separating unit; and an upper cover having top side formed with convection hole corresponding to top end of the heat sink, and a second coupling opening formed at bottom side thereof.
  • the upper and lower covers are assembled together to form a central axis bidirectional convection heat dissipation pathway sequentially through the ventilation hole, the convection pathway, the heat sink and the ventilation hole accordingly.
  • an LED lighting device in US 2014/0247606 A1 , includes a heat dissipation lamp cup including a hollow structure, a driving power supply casing socket configured within the heat dissipation lamp cup to form a ventilation gap between the driving power source casing and an inner wall of the heat dissipation lamp cup, and a lamp holder configured on top of the heat dissipation lamp cup.
  • the lamp holder includes one or more sidewalls forming a ventilation channel passing through the lamp holder. The ventilation channel is connected to the ventilation gap for air circulation.
  • an LED package includes a plurality of LEDs, a metal substrate, and a heat conductor.
  • the plurality of LEDs are mounted on the metal substrate.
  • the heat conductor is arranged in the inner surface of the metal substrate.
  • a heat sink discharges the heat from an LED package.
  • a transparent globe surrounds the LED package.
  • a screw cap is combined in the upper side of the heat sink.
  • KR 101 368 205 B1 describes a socket combination unit which is combined to a socket with a screw method and includes a control unit to control the LED in the inner side; a heat radiation unit which is detachably fixated to the top of the socket combination unit and is formed into a cylindrical shape and includes one or more heat radiation paths; a heat radiation rod which is inserted and fixated to the top inner side of the heat radiation unit and is extended to the upper side with many sides over three sides and is mutually connected with the heat radiation path of the heat radiation unit by including a central path; an LED substrate which is bonded to the outer circumference surface of the heat radiation rod and arranges one or more LEDs which forms a bar shape; a fixing substrate which is placed on the heat radiation rod and the top of the LED substrate and forms multiple angles to be faced with the heat radiation rod and forms a hole on the center; and a cover which is combined to the top of the heat radiation unit and is formed into a cylindrical shape which is extended to the upper side to protect the LED substrate.
  • the cover forms a
  • a bulb-shaped lamp in US 2013/0301280 A1 , includes a light source unit, a plurality of substrates, a substrate holding member, and a globe.
  • the respective substrates hold light source units.
  • the substrate holding member has thermal conductivity and an insulating property and holds the respective substrates.
  • the globe is thermally connected to the substrate holding member.
  • the cap is positioned on one end side of the globe.
  • the substrate holding member includes a hole portion connected to a communicating opening portion opening in the top portion of the globe, and the hole portion communicates with the outside of the globe. Openings communicating respectively with the hole portion are opened at positions between the opening of the globe and the cap at proximal end portions of the respective surface portions of the holding member body of the substrate holding member. The openings are exposed to the outside between the one end side of the globe and the cap. Therefore, the bulb-type lamp is formed with air-ventilating air trunk communicating with the respective openings from the communicating opening portion via the hole portion.
  • the present invention provides a lighting device with light weight and good heat dissipation effect, comprising the technical features of claim 1.
  • Embodiments of the present invention provide a lighting device, including: a housing; an optical element connected with the housing; a receiving chamber formed by engaging the housing with the optical element; and a light source component and a driving power supply component both located in the receiving chamber.
  • the lighting device further includes a passage located in the receiving chamber, the passage passes through the housing and the optical element, an interior of the lighting device is communicated with an exterior of the lighting device by the passage.
  • the passage includes a pipeline located in the receiving chamber, the light source component includes a light source, and the light source is disposed on an outer wall of the pipeline.
  • the light source component includes a base plate connected with the light source, and the base plate constitutes a portion of the outer wall of the pipeline.
  • the driving power supply component and the light source component are integrally disposed on the base plate or separately disposed in the housing.
  • the optical element is formed with a first opening
  • a pipeline is delimited by the light source component
  • the housing is formed with a first port
  • the pipeline is communicated with the first port and the first opening respectively to form the passage.
  • a maximum outer diameter formed by the first port has a dimension greater than that of a maximum outer diameter formed by the first opening.
  • first port is in an arc shape, and a plurality of first ports is arranged in a ring shape.
  • the lighting device further includes a flow guide plate, the flow guide plate is disposed between the housing and the light source component, and the flow guide plate is provided with a second through hole, through which the pipeline is communicated with the first port.
  • the light source component includes a first base plate, a plurality of second base plates snap-fitted at the first base plate, and a light source disposed on each of the plurality of second base plates.
  • an optical chamber of the light source is delimited by the first base plate and the optical element.
  • the second base plate is vertically snap-fitted at the first base plate, the pipeline is delimited by the plurality of the second base plates, and the light source is disposed at an outer side of the pipeline.
  • light sources are vertically arranged on the second base plate.
  • the lighting device further includes a fixing ring, the fixing ring is snap-fitted at an end of the second base plate extending towards the optical element, and the fixing ring is formed with a plurality of grids through which the pipeline is communicated with the passage.
  • the light source component and the driving power supply component are separately disposed, and the driving power supply component is fixed inside the housing and is electrically connected with the light source component.
  • optical element is a lens or a diffusion cover.
  • the lighting device further includes a lamp head, the lamp head is disposed at an end of the housing.
  • the lighting device provided by the present invention is provided with a passage which passes through the housing and the optical element, and allows the interior of the lighting device to be communicated with the exterior of the lighting device.
  • a passage which passes through the housing and the optical element, and allows the interior of the lighting device to be communicated with the exterior of the lighting device.
  • FIGS. 1 to 7 illustrate a lighting device 100 provided by an embodiment of the present invention.
  • the lighting device 100 is a high power bulb lamp.
  • the lighting device 100 includes a housing 1, an optical element 2 and a lamp head 3.
  • the optical element 2 is connected with an end of the housing 1 in a mounting direction (in a height direction or an up and down direction of the lighting device 100 in the embodiment of the present invention), and the lamp head 3 is connected with the other end of the housing 1.
  • the housing 1 is connected with the optical element 2 to form a receiving chamber 7.
  • a light source component 4, a driving power supply component 5 electrically connected with the light source component 4, and a flow guide plate 6 are received in the receiving chamber 7.
  • An interior of the lighting device 100 is provided with a plurality of passages 8, through which the interior of the lighting device 100 is communicated with an exterior of the lighting device 100.
  • Each of the plurality of passages 8 passes through the optical element 2, the light source component 4, the flow guide plate 6, and the housing 1.
  • the passage 8 described above can achieve cross-ventilation between external air and internal air of the lighting device 100.
  • the lighting device 100 described above can be a high-power LED lamp for indoor lighting or industrial lighting, and can be installed on a mounting base such as a ceiling or the like.
  • the lamp head 3 is electrically connected with the driving power supply component 5 located in the lighting device, and allows the lighting device 100 to be electrically connected with the municipal electric power.
  • the housing 1 is in a cover shape and is integrally formed of an insulation material.
  • the housing 1 includes a semicircular main body portion 110 and a connection portion 120 located at the top of the main body portion.
  • the connection portion 120 is configured to be engaged with the lamp head 3.
  • the lamp head 3 and the connection portion 120 are threaded by internal threads on the lamp head and external threads on the connection portion.
  • the lamp head 3 may also be integrally formed with the housing 1, e.g., by way of overmolding.
  • a plurality of first ports 11 is formed on an outer circumference wall of the housing 1, and a space inside the housing 1 can be communicated with a space outside the lighting device 100 by the first ports 11.
  • the first port 11 is in an arc shape, and the plurality of first ports 11 are arranged in a ring shape on an outer circumference wall of the main body portion 110 to form two concentric rings to reinforce the communication between the space inside the housing 1 and the space outside the lighting device 100.
  • the first ports 11 may be arranged in a form of a single ring or multiple rings, and the first ports 11 may have other shapes and may be arranged in other forms.
  • a plurality of positioning posts 12, a plurality of first slots 13, a plurality of first ribs 14 and a plurality of second ribs 15 are formed on an inner surface of a side wall of the main body portion 110 of the housing 1.
  • the plurality of positioning posts 12 and the plurality of first slots 13 are configured to position the light source component 4 and the flow guide plate 6, respectively.
  • the plurality of first ribs 14 and the plurality of second ribs 15 are configured to be connected with the optical element 2 and to position the flow guide plate 6, respectively.
  • the plurality of positioning posts 12 are disposed at intervals, each located between adjacent first ports 11 and extending in a strip shape along the mounting direction.
  • the positioning post 12 is provided with a first positioning hole 121.
  • the first slot 13 is located higher than the positioning post 12 and is adjacent to the connection portion 120.
  • the first ribs 14 are disposed at an inner side of a lower end edge of the main body portion 110 and are spaced apart from each other along a circumference of the lower end edge.
  • the plurality of second ribs 15 are disposed at intervals, each extending in a strip structure along the mounting direction.
  • the optical element 2 adopts a hollow, prolate ellipse-shaped bulb shell which is integrally formed of an insulating material such as plastic.
  • a holding portion 21 with a ring shape is protruded from an end of the optical element 2 which is configured to be connect with the housing 1.
  • the holding portion 21 is connected to the first rib 14 in a snap-clip manner.
  • structures on the optical element 2 and the housing 1 for the snap-clip connection can be exchanged.
  • the other end of the optical element 2 is a generally planar end portion 220 having a predetermined thickness, the end portion 220 is connected with the other end of an elliptical sidewall having a gradually decreased outer diameter of the optical element 2.
  • first openings 22 are formed at intervals in an inner surface of the end portion 220, thus a flow guide portion 23 is provided.
  • the flow guide portion 23 is constituted by a plurality of ribs 231, and each of the plurality of ribs 231 is located between adjacent first openings 22.
  • the space inside the housing 1 can be communicated with the space outside the lighting device 100 by the first openings 22.
  • the first opening 22 has a triangular column shape, and the plurality of first openings 22 are arranged in a circumferential array on the end portion 220 to form a polygonal shape.
  • An outer diameter formed by the first openings 22 has a maximum dimension smaller than that of an outer diameter formed by the first ports 11.
  • the first opening 22 can be in other shapes and arranged in other forms.
  • the optical element 2 may also adopt a TIR lens, a COB lens, or a bulb-type light uniform cover, or a combination of a lens and a bulb shell.
  • the optical element may also be correspondingly arranged in a ring shape.
  • the light source component 4 includes: a circular first base plate 41 which is formed by extending along a horizontal plane perpendicular to the mounting direction; a plurality of second base plates 42 which is snap-fitted at the first base plate 41 and extends in the mounting direction; light sources 43 disposed on each of the plurality of second base plates 42; and a fixing ring 45 configured to fix the plurality of second base plates 42.
  • the second base plates 42 are mainly fixed by the first base plate 41 in an up-and-down direction and by the fixing ring 45.
  • the first base plate 41 is in a circular shape.
  • An optical chamber (not labeled) configured to receive the light sources 43 is delimited by the first base plate 41 and the optical element 2.
  • the first base plate 41 is provided with two second positioning holes 411 and a first through hole 412.
  • the two second positioning holes 411 are for positioning, and the first through hole 412 is for receiving the second base plates 42 snap-fitted therein and is disposed in the middle of the first base plate 41.
  • the first through hole 412 is in a polygonal shape.
  • a light source 43 may also be provided at a vacant position of the first base plate 41 in the direction in which a horizontal plane of the first base plate 41 extends.
  • each second base plate 42 is snap-fitted into a slot (not illustrated) in the first through hole 412; the second base plate 42 has a first portion 421 extending beyond the first through hole 412 and has a second portion 422 for bearing the light source 43.
  • a sidewall of the extended end of the second portion 422 is in close contact with a sidewall of the first opening 22 of the optical element 2, that is, the second portion is snap-fitted in the first opening 22.
  • the second base plates 42 are disposed perpendicular to the first base plate 41 to form a hexagonal pipeline 44 used as a hollow heat dissipation passage, and the light sources are located on an outer side of the pipeline 44.
  • the light source 43 adopts an LED light source, and each of the second base plates 42 is provided with a set of vertically arranged LED light source 43, each LED light source 43 can emit any one of white light (W), red light (R), blue light (B) and green light (G). In other embodiments, the light source may adopt other light sources such as TL.
  • the fixing ring 45 is snap-fitted at an end of the second base plate 42 extending towards the optical element 2 and is placed on an inner surface of an end of the optical element 2, for fixing the second base plates 42.
  • the fixing ring 45 is made of a plastic material and is in a shape of hexagonal, six grids 451 are formed in the hexagon, and the first opening 22 is communicated with the pipeline 44 by the grid 451.
  • the fixing ring 45 may also be in any other shapes.
  • the driving power supply component 5 includes a plurality of components, including but not limited to an LED driving controller chip, a rectifier chip, a resistor, a capacitor, a fuse, coils, etc.
  • the driving power supply component 5 and the light source component 4 are electrically connected with each other and are integrally provided, and are installed on both sides of the first base plate 41, respectively.
  • the driving power supply component 5 and the light source component 4 may also be disposed on the same side of the first base plate 41, or the driving power supply component 5 may also be disposed around the outer side of the second base plate 42, or the driving power supply component 5 and the light source component 4 may also be arranged separately and fixed in the housing 1, respectively.
  • the flow guide plate 6 with a circular shape is disposed between the housing 1 and the light source component 4, and is positioned on the housing 1.
  • the flow guide plate 6 is provided with a polygonal second through hole 61 through which the pipeline 44 is communicated with the first port 11.
  • the second through hole 61 is provided with a plurality of second slots 62 and two third positioning holes 611; the second slot 62 receives the first portion 421 of the second base plate 42 which is snap-fitted in the second slot 62 and extends beyond the first base plate 41, the two third positioning holes 611 are for positioning.
  • the flow guide plate 6 is made of an insulation material such as plastic.
  • the six second base plates 42 of the light source component 4 are snap-fitted into and passing through the second slots 62 to allow ends of the first portions 421 thereof to be received in the first slots 13 of the housing 1, so as to achieve the positioning among the light source component 4, the flow guide plate 6, and the housing 1.
  • the lighting device 100 further includes two screws (not illustrated), which pass through the second positioning hole 411 of the first base plate 41, pass through the third positioning hole 611 of the flow guide plate 6, and are received in the first positioning hole 121 of the housing 1; furthermore, the first base plate 41 is abutted against the plurality of second ribs 15 to form a receiving surface (not illustrated), thereby achieving a fixed connection among the light source component 4, the flow guide plate 6, and the housing 1.
  • other connection methods such as bonding, snap-clip connecting and welding may be adopted.
  • a heat source in the lighting device 100 of the embodiment of the present invention is the light source 43 and the driving power supply component 5.
  • the first opening 22, the pipeline 44, and the first port 11 form the passage 8 to realize cross-ventilation.
  • the first opening 22 is an air inlet; cold air enters the first opening 22, flows through the pipeline 44, and finally exits from the first port 11 under the action of the flow guide plate 6; the first port 11 is an air outlet.
  • the light source 43 generates heat when emitting light, the air inside the passages 8 is heated and a density of the heated air is decreased to generate upward buoyancy.
  • the air passes through the convection passages 8 and rapidly exits from the air outlet under the action of the flow guide plate 6.
  • the driving power supply component 5 is located near the air outlet, and the heat generated by the driving power supply component 5 causes the air in the corresponding position to be heated rapidly, which enhances the cross-ventilation effect of the air, thereby enhancing the function of chimney effect.
  • a size of the air inlet, a cross-sectional area of the heat dissipation passage, a size of the air outlet and a position of the heat source are reasonably designed to greatly accelerate the air flow effect, so that the cross-ventilation effect is doubled and the temperature is reduced by more than 15 °C.
  • the temperature of the light source 43 and the driving power supply component 5 is decreased, which improves the reliability and service life of the lighting device.
  • the passage 8 is formed by the maximum surface area of the second base plates 42 and is in sufficient contact with the air so as to dissipate heat.
  • the lighting device omits an additional heat dissipation structure, and thus saves the cost of the heat dissipation structure. By reasonable structural design, it achieves rapid and effective heat dissipation, and solves the problem of difficulty in heat dissipation of the lighting device.
  • the lighting device 100 has the characteristics of good heat dissipation effect, thereby increasing the service life of the light source component 4 in the lighting device 100.
  • the materials of respective components are light in weight, the weight of the entire lighting device 100 is reduced.

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

Claims (14)

  1. Dispositif d'éclairage (100), comprenant:
    un boîtier (1),
    un élément optique (2) connecté au boîtier (1), et
    une chambre de réception (7) formée en amenant en prise le boîtier (1) avec l'élément optique (2), un composant de source de lumière (4) et un composant d'alimentation en énergie de commande (5) situés tous deux dans la chambre de réception (7), et
    un passage (8) situé dans la chambre de réception (7), le passage (8) passant à travers le boîtier (1) et l'élément optique (2), l'intérieur du dispositif d'éclairage (100) étant en communication avec l'extérieur du dispositif d'éclairage (100) par le passage (8),
    dans lequel le composant de source de lumière (4) comprend une première plaque de base, une pluralité (41) de deuxièmes plaques de base (42) emboîtées par encliquetage à la première plaque de base (41), et une source de lumière (43) disposée sur chacune de la pluralité de deuxièmes plaques de base (42),
    caractérisé par le fait que l'élément optique (2) comprend une pluralité de premières ouvertures (22) formées à des intervalles dans une surface intérieure d'une partie d'extrémité (220) de l'élément optique (2),
    et par le fait que chacune des deuxièmes plaques de base (42) comprend une première partie (421) s'étendant au-delà d'un premier trou traversant (412) de la première plaque de base (41) et comprend par ailleurs une deuxième partie (422) destinée à supporter la source de lumière (43) et où chacune des deuxièmes parties (422) est emboîtée par encliquetage dans une première ouverture correspondante (22).
  2. Dispositif d'éclairage (100) selon la revendication 1, dans lequel le passage (8) comprend une canalisation (44) située dans la chambre de réception (7),
    le composant de source de lumière (4) comprend une source de lumière (43), et la source de lumière (43) est disposée sur une paroi extérieure de la canalisation (44).
  3. Dispositif d'éclairage (100) selon la revendication 2, dans lequel le composant de source de lumière (4) comprend une plaque de base (41, 42) connectée à la source de lumière (43), la plaque de base (41, 42) constitue une partie de la paroi extérieure de la canalisation (44).
  4. Dispositif d'éclairage (100) selon la revendication 3, dans lequel le composant d'alimentation en énergie de commande (5) et le composant de source lumineuse (4) sont disposés de manière solidaire sur la plaque de base (41, 42) ou disposés de manière séparée dans le boîtier (1).
  5. Dispositif d'éclairage (100) selon la revendication 1, dans lequel l'élément optique (2) est formé avec une première ouverture (22),
    une canalisation (44) est délimitée par le composant de source lumineuse (4), et
    le boîtier (1) est formé avec un premier orifice (11), la canalisation (44) est en communication avec respectivement le premier orifice (11) et la première ouverture (22), pour former le passage (8).
  6. Dispositif d'éclairage (100) selon la revendication 5, dans lequel un diamètre extérieur maximum formé par le premier orifice (11) présente une dimension supérieure à celle d'un diamètre extérieur maximum formé par la première ouverture (22).
  7. Dispositif d'éclairage (100) selon la revendication 5, dans lequel le premier orifice (11) est en forme d'arc, et une pluralité de premiers orifices (11) sont disposés en forme d'anneau.
  8. Dispositif d'éclairage (100) selon la revendication 7, comprenant par ailleurs une plaque de guidage de flux (6), dans lequel la plaque de guidage de flux (6) est disposée entre le boîtier (1) et le composant de source lumineuse (4), et le la plaque de guidage de flux (6) est pourvue d'un deuxième trou traversant (61), la canalisation (44) est en communication avec le premier orifice (11) par le deuxième trou traversant (61).
  9. Dispositif d'éclairage (100) selon la revendication 1 ou 8, dans lequel une chambre optique de la source de lumière (43) est délimitée par la première plaque de base (41) et l'élément optique (2).
  10. Dispositif d'éclairage (100) selon la revendication 9, dans lequel la deuxième plaque de base (42) est emboîtée par encliquetage verticalement dans la première plaque de base (41),
    la canalisation (44) est délimitée par la pluralité des deuxièmes plaques de base (42), et
    la source de lumière (43) est disposée sur un côté extérieur de la canalisation (44).
  11. Dispositif d'éclairage (100) selon la revendication 10, dans lequel une pluralité de sources de lumière (43) sont disposées verticalement sur chacune des deuxièmes plaques de base (42).
  12. Dispositif d'éclairage (100) selon la revendication 11, comprenant par ailleurs une bague de fixation (45),
    la bague de fixation (45) est emboîtée par encliquetage à une extrémité de la deuxième plaque de base (42) qui s'étend vers l'élément optique (2), et
    la bague de fixation (45) est formée avec une pluralité de grilles (451) à travers lesquelles la canalisation (44) est en communication avec le passage (8).
  13. Dispositif d'éclairage (100) selon la revendication 1, dans lequel le composant de source de lumière (4) et le composant d'alimentation en énergie de commande (5) sont disposés de manière séparée,
    le composant d'alimentation en énergie de commande (5) est fixé à l'intérieur du boîtier (1) et est connecté électriquement au composant de source de lumière (4) et/ou dans lequel l'élément optique (2) est une lentille ou un couvercle de diffusion.
  14. Dispositif d'éclairage (100) selon la revendication 1, comprenant par ailleurs une tête d'éclairage (3), dans lequel la tête d'éclairage (3) est disposée à une extrémité du boîtier (1).
EP17814549.6A 2016-06-23 2017-05-22 Dispositif d'éclairage Active EP3462077B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610469654.8A CN105937715B (zh) 2016-06-23 2016-06-23 照明装置
PCT/CN2017/085365 WO2017219811A1 (fr) 2016-06-23 2017-05-22 Dispositif d'éclairage

Publications (3)

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EP3462077A1 EP3462077A1 (fr) 2019-04-03
EP3462077A4 EP3462077A4 (fr) 2019-12-18
EP3462077B1 true EP3462077B1 (fr) 2021-06-09

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CN105937715B (zh) * 2016-06-23 2023-06-30 欧普照明股份有限公司 照明装置
US10928056B2 (en) 2016-06-23 2021-02-23 Opple Lighting Co., Ltd. Lighting device

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Publication number Publication date
EP3462077A4 (fr) 2019-12-18
CN105937715B (zh) 2023-06-30
EP3462077A1 (fr) 2019-04-03
WO2017219811A1 (fr) 2017-12-28
CN105937715A (zh) 2016-09-14

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