WO2012030112A1 - Appareil d'éclairage à led - Google Patents

Appareil d'éclairage à led Download PDF

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Publication number
WO2012030112A1
WO2012030112A1 PCT/KR2011/006309 KR2011006309W WO2012030112A1 WO 2012030112 A1 WO2012030112 A1 WO 2012030112A1 KR 2011006309 W KR2011006309 W KR 2011006309W WO 2012030112 A1 WO2012030112 A1 WO 2012030112A1
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WO
WIPO (PCT)
Prior art keywords
led illumination
power
led
power connection
power supply
Prior art date
Application number
PCT/KR2011/006309
Other languages
English (en)
Inventor
Jang-Ik Park
Chan-Il Park
Hyun-Woong Hong
Original Assignee
Ocean Us 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 Ocean Us Co., Ltd. filed Critical Ocean Us Co., Ltd.
Publication of WO2012030112A1 publication Critical patent/WO2012030112A1/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F21V23/026—Fastening of transformers or ballasts
    • 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
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • 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
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 
    • F21V27/02—Cable inlets
    • 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
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
    • F21W2111/04—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways
    • F21W2111/043—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for waterways for lighthouses or lightships
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional 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]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Definitions

  • the present invention relates to an LED illumination apparatus, particularly an LED illumination apparatus that can easily implement LED illumination and a power supply to fit the regulations of explosion-proof design by forming an LED illumination module and a power supply module which are accommodated in a separate case, improve a heat dissipation effect and durability for the LED illumination module, make it easy to perform maintenance of the LED illumination apparatus, and preclude a breakdown or a safety accident due to discharge of electricity even in an area with a large amount of water.
  • lamps are used, depending on the usage and the place, for example, the lamps that provide light for a moist work environment, such as the fish gathering lamp or the deck lamp of ships, including common lamps, such as an incandescent lamp or a fluorescent lamp.
  • common lamps such as an incandescent lamp or a fluorescent lamp.
  • an LED lighting block 10 includes an LED lighting block 10, a control frame 20 that is electrically connected with the LED lighting block 10 and controls supply of power, and a heat dissipation unit (not shown) that removes heat in close contact with the rear surface of the LED lighting block, in which an LED lighting module unit is modulized by separably forming the LED lighting block 10 and the control frame 20 that controls supply of power and forming the heat dissipation unit on the rear surface of the individual LED lighting block 10 in order to improve a heat dissipation function and easily implement the LED lighting device 1 by electrically combining a plurality of LED lighting modules with the control frame.
  • the LED lighting modules are not individually waterproofed, such that there is a danger, such as discharge of electricity, in a moist worksite, such as a ship, and the electric connecting portions of the LED lighting modules and the control frame are connected by a plurality of conductive pins, such that separation is difficult.
  • the present invention has been made in an effort to provide an LED illumination apparatus that can prevent a PCB from being damaged by high temperature by improving a heat dissipation function for an LED illumination module and can be easily implemented by separately implementing a plurality of LED illumination modules and a power supply modules.
  • the LED illumination apparatus can be easily manufactured to satisfy the sever explosion proof rules in comparison to a power supply-integrated LED illumination apparatus by hermetically disposing the LED illumination modules and the power supply module in separate cases, and can safely provide light for a long time even under a moist environment, such as the deck of a ship.
  • the LED illumination apparatus makes it possible to conveniently replace the LED illumination modules and makes maintenance easy, by allowing a user to easily attach/detach one or more LED illumination modules to/from a selected desired position of the power supply module.
  • An aspect of the present invention provides an LED illumination apparatus including: a PCB mounted with a plurality of LEDs at predetermined intervals on the front surface; at least one LED illumination module including an LED illumination module case composed of an LED case body that is open forward, accommodates the PCB in a predetermined internal space, has a heat dissipation plate having connection holes at a side to allow air to flow and a cooling part protruding from the rear surface in contact with the rear surface of the PCB in the internal space, at the rear, and an LED front cover that is coupled to the open front of the body; a power supply module accommodating a power supply unit that supplies power to the LED illumination module and having one or more power connection holes formed at predetermined intervals through the front surface opposite to the LED illumination module; and one or more power connection portions electrically connecting the power supply unit with the LED, with one side separably communicating with the connection hole and the other side separably communicating with a predetermined power connection hole in the one or more power connection holes.
  • the power supply module may include a power module case that is composed of: a power case body that is open rearward, has one or more power connection holes formed at predetermined intervals through the front surface to allow air to flow, and has an internal space for accommodating the power supply unit; and a power rear cover that is coupled to the open rear of the body.
  • the power connection portion may include: a power connection member through which a terminal hole is longitudinally formed to allow air to flow and that has one side thread-fastened such that the terminal hole communicates with the connection hole and the other side thread-fastened such that the terminal hole communicates with the power connection hole; and a connecting cable that is disposed through the terminal hole and has one end connected with the PCB and the other end electrically connected with the power supply unit.
  • a sealing ring may be interposed between the LED front cover and the LED case body for sealing, a sealing ring may be interposed between the power case body and the power rear cover for sealing, and a sealing ring may be disposed on both ends of the power connection member to be hermetically thread-fastened to the connection hole and the power connection hole.
  • a first support groove may be formed on the rear surface of the heat dissipation plate and one or more second support grooves are formed at predetermined intervals on the front surface of the power case body, and the LED illumination apparatus may further include a support member of which one sides is separably fitted in the first support groove and the other side is separably fitted in a predetermined second support groove in the one or more second support grooves.
  • the cooling part may include a plurality of cooling fins that protrudes from the rear surface of the heat dissipation plate, has cross-sections of which the width gradually decreases or increases from one side to the other side, and is arranged in series or in parallel, and heat dispersion fins that protrude smaller in height than the cooling fins may be arranged between the cooling fins at the center portion of the heat dissipation plate in the cooling fins to connect the cooling fins spaced at predetermined distances at the center portion.
  • the adjacent cooling fins arranged in series or in parallel may change in cross-sectional width in different directions from each other such that the spaces among the cooling fins make zigzags.
  • the power supply unit may be disposed in a molded case and the molded case may be accommodated in the power case body.
  • the LED illumination apparatus may further include an U-shaped fixing bracket of which the center portion is fixed to a wall, with both ends rotatably attached at an angle to both sides of the power case body.
  • a sealing cap that seals the power connection hole may be disposed in the power connection hole that is not coupled to the power connection portion in one or more power connection holes formed through the front surface of the power case body.
  • the present invention it is possible to prevent a PCB from being damaged by high temperature by individually forming the power supply module and the LED illumination module and disposing the heat dissipation unit on the rear side of the LED illumination module such that a heat dissipation function for the LED illumination module 110 is improved; therefore, it is possible to easily implement an LED illumination apparatus because it is possible to electrically connect a plurality of LED illumination modules selectively to a power supply module.
  • an LED illumination apparatus that satisfies severe explosion proof rules in comparison to a power supply-integrated LED illumination apparatus by disposing the LED illumination modules and the power supply module in separate sealing cases while it is possible to use the LED illumination apparatus for a long time while preventing discharge of electricity or a short circuit due to water, even under a moist environment, such as the deck of a ship.
  • FIG. 1 is a plan view of an LED lighting device composed of an LED lighting block and a control frame.
  • FIG. 2 is a perspective view showing an LED illumination apparatus according to an exemplary embodiment of the present invention.
  • FIG. 3 is an exploded perspective view showing an LED illumination module, a power supply module, a power connection portion, and a fixing bracket that constitute an LED illumination apparatus according to an exemplary embodiment of the present invention.
  • FIG 4 is a perspective view showing the LED illumination module shown in FIG. 2.
  • FIG 5 is an exploded perspective view showing the LED illumination module shown in FIG. 4.
  • FIG. 6A is a perspective view of a heat dissipation plate in the LED illumination module shown in FIG. 4, seen from the rear.
  • FIG. 6B is a bottom view showing the flow of air passing through cooling fins of the heat dissipation plate in the LED illumination module shown in FIG. 4.
  • FIG. 6C is a cross-sectional view showing when the heat dissipation plate is attached on the rear surface of a PCB in the LED illumination module shown in FIG. 4.
  • FIG. 7 is a perspective view showing the power supply module shown in FIG. 2.
  • FIG. 8 is an exploded perspective view of the power supply module shown in FIG. 7, seen from the front.
  • FIG. 9 is an exploded perspective view of the power supply module shown in FIG. 7, seen from the rear.
  • FIG. 10 is a perspective view showing an LED illumination module and a power supply module which are connected with the power connection portion shown in FIG. 2.
  • FIG. 11 is an enlarged exploded perspective view of the power connection portion included in the LED illumination apparatus according to an exemplary embodiment of the present invention.
  • FIG. 12 is a cross-sectional view of the power connection portion included in the LED illumination apparatus according to an exemplary embodiment of the present invention.
  • FIG. 13 is a perspective view showing when one or more LED illumination modules are combined with the power supply module in the LED illumination apparatus according to an exemplary embodiment of the present invention.
  • LED illumination apparatus 110 LED illumination module
  • PCB 120 LED illumination module case
  • LED front cover 122 LED case body
  • cooling part 126 cooling fin
  • power supply unit 132 power module case
  • connection cable 150 sealing ring
  • support member 161 first support groove
  • FIG.2 is a perspective view showing an LED illumination apparatus 100 according to an exemplary embodiment of the present invention.
  • the LED illumination apparatus 100 largely includes one or more LED illumination modules 110 with a plurality of LEDs 111 which are light sources emitting light forward, a power supply module 130 supplying power to the LED illumination modules 110, and one or more power connection portions 140 structurally and electrically connecting the LED illumination modules 110 with the power supply module 130.
  • FIG. 3 is an exploded perspective view showing the LED illumination modules 110, the power supply module 130, the power connection portions 140, and a fixing bracket 170 that constitute the LED illumination apparatus 100 according to an exemplary embodiment of the present invention.
  • the LED illumination modules 110 are separably combined with the power supply module 130 at the rear by the power connection portions 140.
  • FIG. 4 is a perspective view showing the LED illumination module 110 shown in FIG. 2
  • FIG. 5 is an exploded perspective view showing the LED illumination module 110 shown in FIG. 4.
  • the LED illumination module 110 includes: a PCB (Printed Circuit Board) 113 that is printed with an electric circuit and mounted with a plurality of LEDs 111 at predetermined intervals on the front surface, and has an LED activation IC 112 controlling power supplied to the LEDs 111 to activate the LEDs; and an LED illumination module case that accommodates the PCB 113.
  • PCB Print Circuit Board
  • the LED illumination module case is open forward and has a predetermined internal space, and is composed of an LED case body 122 accommodating the PCB 113 and an LED front cover 121 coupled to the open front of the body to seal the body.
  • the LED case body 122 as shown in FIG. 5, accommodates the PCB 113 in the internal space and is provided with a heat dissipation plate 123 at the rear, which is in contact with the rear surface of the PCB 113 in the internal space, connection holes 124 are formed at a side of the heat dissipation plate 123 to allow air to flow, and a cooling part 125 protrudes from the rear surface of the heat dissipation plate 123, thereby implementing the LED illumination module 110 modulized with a separate case.
  • the power connection portions 140 are separably inserted in the connection holes 124 formed at the heat dissipation plate 123 to allow air to flow and the LED activation IC 112 and the power supplier 131 are electrically connected through the power connection portions 140, such that the LED activation IC 112 receiving operational power from the power supplier 131 activates the LEDs 111 on the front surface of the PCB 113.
  • an opening is formed at the center of the LED front cover 121 and a transparent plate 129 is coupled to the opening such that light can be smoothly radiated forward when the LEDs 111 on the PCB 113 at the rear receive power and emit the light.
  • a rectangular frame-shaped sealing ring 150 is interposed and sealed between the LED front cover 121 and the LED case body 122 to prevent fluid, such as water, from permeating through the joints.
  • the fixing frame 128 is mounted on the front surface of the PCB 113 such that the PCB 113 can be firmly in close contact with the front surface of the heat dissipation plate 123 while a reflective plate 181 is also mounted such that the light from the LEDs on the PCB 113 can effectively travels forward.
  • the LED illumination apparatus 100 can be used for a long time without a danger, such as discharge of electricity or a short circuit, even under a specific environment where electricity may be discharged by water due to a large amount of moisture, such as the deck of a ship. Further, since the heat dissipation plate 123 with the cooling part 125 exposed to the external air is in direct contact with the PCB 113 and an exclusive heat dissipation unit only for the LED illumination modules 110 is implemented, it is possible to improve durability of the LED illumination modules 110 by improving a heat dissipation effect for the LEDs.
  • the cooling part 125 protruding from the heat dissipation plate 123 has a plurality of cooling fins 126 having substantially triangular cross-sections
  • the cooling fins 126, as shown in FIG. 6B are alternately arranged at predetermined intervals in lines in the transverse direction of the heat dissipation plate 123
  • the cooing fins 126 arranged in lines are symmetrically arranged at predetermined intervals in one direction, such that air can smoothly flow and the heat dissipation effect of the heat dissipation plate 123 can be improved.
  • the cooling fin 126 may be formed with the width of the cross-section gradually decreasing or increasing from one side to the other side, such as a triangle.
  • the cooling fins 126 are arranged in series or in parallel. That is, the cooling fins 126 are formed in a matrix shape throughout the surface of the heat dissipation plate 123.
  • the adjacent cooling fins 126 arranged in series or in parallel change in cross-sectional width in different directions from each other, such that the spaces among the cooling fins 126 make zigzags.
  • the difference in the direction in which the cross-sectional widths change implies that if a cooling fin 126 is formed in a triangle with the cross-sectional width gradually decreasing from a side to the other side, the adjacent cooling fin is formed in an inverse triangle. Therefore, the channels for air flow between the cooling fins 126 are formed zigzag, such that the contact area between the air and the cooling fin 126 increases while vortexes are generated, and as a result, cooling efficiency can be increased.
  • heat dispersion fins 127 that connect the cooling fins 126 at predetermined intervals from each other are formed between the cooling fins 126 at the center portion of the heat dissipation plate 123, such that they allow the heat at the center portion of the PCB 113, which generates a large amount of heat, to be rapidly conducted to the cooling fins 126 at the outside such that the heat is uniformly dispersed on the entire heat dissipation plate 123 for cooling.
  • the heat dispersion fins 127 may be formed smaller in height than the cooling fins 126. That is, the heat dispersion fins 127, which are formed in consideration of both of a heat dispersion effect due to heat conduction and a heat dissipation function, can rapidly disperse the heat from the PCB 113 at the early stage and does not interfere with the flow of air between the cooling fins 126 because the height is smaller than that of the cooling fins 126.
  • FIG. 7 is a perspective view showing the power supply module 130 shown in FIG. 2
  • FIG. 8 is an exploded perspective view of the power supply module 130 shown in FIG. 7, seen from the front
  • FIG. 9 is an exploded perspective view of the power supply module 130 shown in FIG. 7, seen from the rear.
  • the power supply module 130 in the LED illumination apparatus 100 has one or more power connection holes 133 formed at predetermined intervals through the front surface such that the LED illumination modules 110 are selectively connected at predetermined positions to implement the LED illumination apparatus 100, and a second support groove is formed above the power connection hole 133 and coupled to the other side of a support member 160, which is described below.
  • the power connection holes 133 are formed at the lower portion such that connection cables 143 for supplying power to the LED illumination modules 110 to mount and the second support grooves 162 where the other sides of support members 160 for firmly supporting the LED illumination modules 110 are coupled are formed above the power connection holes 133, such that the second support groove 162 and the power connection hole 133 disposed above/under each other make a pair to mount one LED illumination module 110 and one or more of second support grooves 162 and power connection holes 133 which make pairs are transversely formed at predetermined intervals.
  • LED illumination modules 110 it is possible to easily mount one or more LED illumination modules 110 to the power supply module 130, depending on desired positions or the amount of light required for the usage, and it is also possible to easily implement the entire LED illumination apparatus 100 by mounting the LED illumination modules 110 to the power supply module 130 after selecting the number of the LED illumination modules 110.
  • the power supply module 130 includes a power supply unit 131 that supplies power to the LED illumination modules 110 and a power module case 132 composed of a power case body 134 that is open rearward, has one or more power connection holes 133 formed through the front surface to allow air to flow and an internal installation space where the power supply unit 131 is accommodated and a power rear cover 135 that is coupled to the open rear of the body.
  • the power supply unit 131 is equipped with an SMPS (Switched-Mode Power Supply), electrically connected with the LED activation ICs 112 of the LED illumination modules 110 through the power connection portions 140 inserted in the power connection holes 133, and supplies power for activating the LED illumination modules 110.
  • SMPS Switchched-Mode Power Supply
  • the power supply unit 131 is disposed in a molded case 136 and the molded case 136 accommodating the power supply unit 131 is accommodated in the power case body 134, such that it is possible to prevent water or inflammable gases from directly coming in contact with the power supply unit 131 even if they flow into the power case body 134 and it is possible to preclude a danger of explosion due to spark of the power supply unit 131 or an electric shock due to water or a breakdown of the power supply unit 131 due to a short circuit.
  • FIG. 10 is a perspective view showing the LED illumination module 110 and the power supply module 130 that are connected with the power connection portion 140 and
  • FIG. 11 is an enlarged exploded perspective view of the power connection portion 140 included in the LED illumination apparatus 100 according to an exemplary embodiment of the present invention.
  • the power connection portion 140 is structurally connected with the LED illumination module 110 and the power supply module 130 while being electrically connecting them, thereby also supporting the LED illumination module 110.
  • One side of the power connection portion 140 separably communicates with the connection hole 124 and the other side is separably communicates with a desired power connection hole 133 of one or more power connection holes 133.
  • the power connection portion 140 electrically connects the power supply unit 131 with the LED activation IC 112 and one or more power connection portions 140 are provided, corresponding to one or more LED illumination modules 110.
  • FIG. 12 is a cross-sectional view of the power connection portion included in the LED illumination apparatus according to an exemplary embodiment of the present invention and a power connection member 141 is described with reference to FIG. 12.
  • the power connection portion 140 electrically and structurally connects the LED illumination modules 110 with the power supply modules 130. That is, the LED illumination module 110 receives power from the power supply module 130 and can be fixed to the power supply module 130, through the power connection portion 140.
  • the power connection portion 140 includes the power connection member 141, a connecting cable 143, a bushing 147, an input connector 149, and a plug.
  • the power connection member 141 is composed of a connecting pipe 144 and a fixing portion 145 while the power connection members 141 fix each other with a predetermined distance maintained between the LED illumination modules 110 and the power supply modules 130.
  • the input connector 149 that supplies power to the LED 111 is connected to the LED illumination module 110 and the connecting cable 143 is connected to the input connector 149 through the power connection member 141.
  • the connecting cable 143 is connected with the power supply module 130 by a wire 138.
  • the power connection member 141 connecting the LED illumination modules 110 and the power supply module 130 has a structure that can be connected while maintaining a predetermined distance.
  • the connecting pipe 144 is thread-fastened to the power supply module 130 with a flange 146 being in contact with the LED illumination module 110.
  • the sealing ring 150 is inserted in between the flange 146 and the LED illumination module 110 with a predetermined space therebetween and the fixing portion 145 is coupled to the outer side of the connecting pipe 144 and thread-fastened to the LED illumination module 110.
  • the fixing portion 145 has a hole formed through the center portion and is thread-fastened to the LED illumination module 110 and one end of the fixing portion 145 presses the flange 146 at a side of the connecting pipe 144 and fixes the connecting pipe 144 to the LED illumination module 110.
  • connection structure by the connecting pipe 144 and the fixing portion 145 it is possible to firmly combining the LED illumination module 110 with the power supply module 130 by thread-fastening while maintaining a constant distance between the LED illumination module 110 and the power supply module 130.
  • the bushing 147 is disposed at the joint of the input connector 149 and the connecting cable 143 inside the power connection member 141.
  • a thread is formed on the outer circumferential surface of the busing 147 and is thread-fastened to the inner side of the connecting pipe 144.
  • the bushing 147 prevents a gas from flowing into between the input connector 149 and the connecting cable 143 and can prevent explosion even if a spark is generated between the input connector 149 and the connecting cable 143.
  • the wire 138 connected with the power supply module 130 is disposed through the connecting pipe 144 and fixed inside the connecting pipe 144 by the plug 148.
  • the plug 148 can prevent flow of a combustible gas, in addition to preventing the wire 138 from moving in the connecting pipe 144.
  • One end of the connecting pipe 144 may be filled with epoxy molding 137 to prevent movement of the wire 138 and flow of a gas.
  • the sealing ring 150 is disposed at both ends of the power connection member 141 such that the power connection member 141 is sealed in the connection hole 124 and the power connection hole 133, and thus, it is possible to prevent water or fluid from permeating through the joints.
  • the support member 160 is disposed above the power connection portion 140 to firmly fix and support the LED illumination module 110, and the first support groove 161 is formed on the rear surface of the heat dissipation plate 123 to be separably fitted on a side of the support member 160, the second support groove 162 is formed on the front surface of the power case body 134 and separably fitted on the other side of the support member 160 such that the LED illumination module 110 is combined with the power supply module 130 to be firmly supported, together with the power connection portion 140.
  • a fixing bracket 170 that is formed in a U-shape with the center portion fixed to a wall and both ends rotatably attached at an angle to both sides of the power case body 134 is provided to allow a user to stably fix the LED illumination apparatus 100 to a wall for stable use.
  • a sealing cap 180 that seals the power connection hole 133 is disposed in the power connection hole 133 that is not coupled to the power connection portion 140 in one or more power connection portions 133 formed through the front surface of the power case body 134 to prevent fluid, such as water or a gas, from flowing inside through the power connection hole 133 where the LED illumination module 110 is not coupled.
  • the LED illumination module 110 and the power supply module 130 are implemented by individual sealing case and one or more LED illumination modules 110 is freely and detachably attached to the power supply module 130, it is possible to improve a heat dissipation effect in comparison to a power supply-integrated LED illumination apparatus and easily manufacture an LED illumination apparatus that satisfies severe explosion proof rules. Therefore, it is possible to stably use the LED illumination apparatus even under specific environments, such as a place where gas explosion is likely to occur or a moist place.
  • an LED illumination apparatus of which maintenance is convenient because a user can detachably attach one or more LED illumination modules 110 to the power supply module 130, if necessary, and can replace only a broken LED illumination module 110 when the LED illumination module 110 is broken due to long time use.
  • the present invention may be industrially used in the field of illumination techniques using light emitting diodes (LEDs) and in its applied technical field.
  • LEDs light emitting diodes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un appareil d'éclairage à LED qui peut optimiser un effet de dissipation thermique et une durabilité pour un module d'éclairage à LED, faciliter la réalisation de maintenance de l'appareil d'éclairage à LED, et empêcher une panne ou un accident de sécurité entraîné par une décharge d'électricité même dans une zone qui comporte une quantité importante d'eau, en formant le module d'éclairage à LED et un module d'alimentation électrique qui sont logés dans un boîtier séparé. L'appareil d'éclairage à LED comprend : une carte de circuit imprimé (PCB) sur laquelle est montée une pluralité de LED à des intervalles prédéterminés sur la surface avant ; au moins un module d'éclairage à LED qui comprend un boîtier de module d'éclairage à LED composé d'un corps de boîtier à LED qui est ouvert vers l'avant, loge la PCB dans un espace interne prédéterminé, comporte une plaque de dissipation thermique, qui possède des trous de connexion sur un côté pour permettre à de l'air de s'écouler et une partie de refroidissement qui fait saillie à partir de la surface arrière en contact avec la surface arrière de la PCB dans l'espace interne, à l'arrière, et un couvercle avant à LED, qui est accouplé avec l'avant ouvert du corps ; un module d'alimentation électrique, qui loge une unité d'alimentation électrique qui fournit de l'électricité au module d'éclairage à LED et qui comporte un ou plusieurs trous de connexion électrique formés à des intervalles prédéterminés à travers la surface avant opposée au module d'éclairage à LED ; et une ou plusieurs parties de connexion électrique qui connectent électriquement l'unité d'alimentation électrique à la LED, un côté communiquant de façon séparable avec le trou de connexion et l'autre côté communiquant de façon séparable avec un trou de connexion électrique prédéterminé dans le ou les trous de connexion électrique.
PCT/KR2011/006309 2010-09-01 2011-08-26 Appareil d'éclairage à led WO2012030112A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0085394 2010-09-01
KR1020100085394A KR101011823B1 (ko) 2010-09-01 2010-09-01 Ｌｅｄ조명장치

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WO2012030112A1 true WO2012030112A1 (fr) 2012-03-08

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WO (1) WO2012030112A1 (fr)

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EP3015757A1 (fr) * 2014-10-27 2016-05-04 LG Electronics Inc. Dispositif d'éclairage
EP2942559A4 (fr) * 2013-01-04 2016-07-13 Shenzhen Yaorong Technology Co Ltd Module de lampe de projection à del
WO2016204627A1 (fr) * 2015-06-19 2016-12-22 Willy Kronborg Ensemble lampe exempt d'oxygène et léger, et procédé de fabrication de cet ensemble
CN108167787A (zh) * 2018-01-31 2018-06-15 东莞中工通明光电科技有限公司 一种防爆应急驱动电源
WO2019091165A1 (fr) * 2017-11-10 2019-05-16 杭州华普永明光电股份有限公司 Dispositif d'éclairage

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KR101847939B1 (ko) 2011-03-08 2018-04-11 삼성전자주식회사 발광소자 모듈
KR101058902B1 (ko) 2011-05-25 2011-08-23 기린정밀공업 (주) 안전 성능이 향상된 ｌｅｄ 무대 조명 장치
US9657930B2 (en) 2011-12-13 2017-05-23 Ephesus Lighting, Inc. High intensity light-emitting diode luminaire assembly
CN103851424B (zh) * 2012-12-07 2016-12-07 深圳市海洋王照明工程有限公司 一种高顶灯
KR200477366Y1 (ko) * 2013-10-02 2015-06-03 대우조선해양 주식회사 엘이디 조명장치 및 이를 포함하는 선박 또는 해양구조물
KR101451622B1 (ko) * 2014-05-14 2014-10-22 주식회사 제이비퓨쳐 바(Bar)형 지중 매입등
KR102362531B1 (ko) * 2021-08-30 2022-02-15 엘이디라이팅 주식회사 Led 조명장치

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KR100879818B1 (ko) * 2008-04-08 2009-01-23 주식회사 대림이엔지 엘이디를 이용한 조명등
WO2010035996A2 (fr) * 2008-09-29 2010-04-01 화우테크놀러지주식회사 Lampe à diode électroluminescente antidéflagrante
KR100967946B1 (ko) * 2010-02-11 2010-07-06 테크원 주식회사 발광다이오드 조명 모듈

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JP2008108674A (ja) 2006-10-27 2008-05-08 Stanley Electric Co Ltd Ｌｅｄ照明灯具

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US20050128752A1 (en) * 2002-04-20 2005-06-16 Ewington Christopher D. Lighting module
KR100879818B1 (ko) * 2008-04-08 2009-01-23 주식회사 대림이엔지 엘이디를 이용한 조명등
WO2010035996A2 (fr) * 2008-09-29 2010-04-01 화우테크놀러지주식회사 Lampe à diode électroluminescente antidéflagrante
KR100967946B1 (ko) * 2010-02-11 2010-07-06 테크원 주식회사 발광다이오드 조명 모듈

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2942559A4 (fr) * 2013-01-04 2016-07-13 Shenzhen Yaorong Technology Co Ltd Module de lampe de projection à del
EP3015757A1 (fr) * 2014-10-27 2016-05-04 LG Electronics Inc. Dispositif d'éclairage
US9752760B2 (en) 2014-10-27 2017-09-05 Lg Electronics Inc. Lighting Device
WO2016204627A1 (fr) * 2015-06-19 2016-12-22 Willy Kronborg Ensemble lampe exempt d'oxygène et léger, et procédé de fabrication de cet ensemble
WO2019091165A1 (fr) * 2017-11-10 2019-05-16 杭州华普永明光电股份有限公司 Dispositif d'éclairage
CN108167787A (zh) * 2018-01-31 2018-06-15 东莞中工通明光电科技有限公司 一种防爆应急驱动电源

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