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WO2012074304A2 - Système d'éclairage à diodes électroluminescentes - Google Patents

Système d'éclairage à diodes électroluminescentes Download PDF

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Publication number
WO2012074304A2
WO2012074304A2 PCT/KR2011/009249 KR2011009249W WO2012074304A2 WO 2012074304 A2 WO2012074304 A2 WO 2012074304A2 KR 2011009249 W KR2011009249 W KR 2011009249W WO 2012074304 A2 WO2012074304 A2 WO 2012074304A2
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WO
WIPO (PCT)
Prior art keywords
power
converter
led
lighting
lighting devices
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/KR2011/009249
Other languages
English (en)
Korean (ko)
Other versions
WO2012074304A3 (fr
Inventor
민춘희
박화준
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.)
MC Tech Co Ltd
Original Assignee
MC Tech 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 MC Tech Co Ltd filed Critical MC Tech Co Ltd
Priority to JP2013541925A priority Critical patent/JP2014502413A/ja
Publication of WO2012074304A2 publication Critical patent/WO2012074304A2/fr
Publication of WO2012074304A3 publication Critical patent/WO2012074304A3/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
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • F21K9/278—Arrangement or mounting of circuit elements integrated in the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • 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
    • F21V23/023—Power supplies in a casing
    • 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
    • F21V25/10—Safety devices structurally associated with lighting devices coming into action when lighting device is overloaded, e.g. thermal switch
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to an LED lighting system, to a manufacturing cost and maintenance cost is reduced and the LED lighting system is improved life.
  • LED lighting devices uses an LED element as a light source.
  • the LED device is a device that generates a minority carrier injected by using a P-N junction structure of a semiconductor, and then emits light by recombination of the minority carriers.
  • the emission wavelength of the LED device varies depending on the type of impurities to be added. Accordingly, red, blue, and yellow colors may be formed, and white may be realized by appropriately combining them.
  • Such LED lighting devices have the advantages of being compact, long life, high efficiency and high speed response compared to light sources such as incandescent lamps and halogen lamps.
  • the LED lighting device 1 is an exploded perspective view of the LED lighting device 1 according to the prior art, the LED lighting device 1 according to the prior art, as shown in Figure 1, the lens unit 3, LED module 5, AC-DC power supply 7 is included.
  • the LED lighting device 1 according to the prior art is a DC power (generally, 3V DC voltage across the LED module) for driving the LED module to the external power (generally, 220V AC power) of the power supply S.
  • AC-DC power supply (7) to supply power by switching to the ()) as an essential component, in the LED lighting device (1) according to the prior art AC-DC power supply (7) and the LED module (5) and Mounted in close proximity or in a contact manner.
  • the cost ratio of AC-DC power supply to LED lighting device accounts for about 20%, and since the cost of LED module tends to keep falling in the future, the cost ratio of AC-DC power supply to LED lighting device 20 is further increased.
  • the temperature of the LED module is generally increased to about 70 °C ⁇ 75 °C when the LED module emits light
  • the LED module and the AC-DC power supply are located very close to the heat generated by the LED module. Due to this, there is a problem that the life of the AC-DC power supply is reduced. Therefore, although the life of the LED module remains, due to the depletion of the life of the AC-DC power supply, there was a problem that the entire LED lighting device must be replaced.
  • An object of the present invention is to provide an LED lighting system that can solve the problems according to the prior art.
  • the present invention comprises a plurality of lighting devices including a light source unit having an LED element and a housing for accommodating the light source unit; And a driving device spaced apart from each other and electrically connected to the plurality of lighting devices, and configured to drive the plurality of lighting devices.
  • the present invention provides a lighting apparatus including a light source unit including an LED element and a housing accommodating the light source unit; And a control unit for controlling a plurality of AC-DC converters and the plurality of AC-DC converters, and a driving device for driving the plurality of lighting devices.
  • LED lighting system has the advantage to reduce the manufacturing cost by removing the AC-DC power supply from the LED lighting device.
  • the LED lighting system according to the present invention has the advantage that can be managed separately from the AC-DC power supply in the LED lighting device to reduce the maintenance cost.
  • the LED lighting system according to the present invention has the advantage that can be miniaturized by removing the AC-DC power supply from the LED lighting device.
  • the LED lighting system according to the present invention has the advantage that it can use the existing electrical equipment as it is.
  • the LED lighting system according to the present invention has the advantage that the LED lighting device and the AC-DC power supply are spaced apart from each other to improve the life of the LED lighting system.
  • FIG. 1 is an exploded perspective view of an LED lighting apparatus according to the prior art.
  • FIG. 2 is a schematic diagram of an LED lighting system according to the present invention.
  • FIG 3 is an exploded perspective view of the lighting apparatus according to the present invention.
  • FIG. 4 is a block diagram of a driving apparatus according to an embodiment of the present invention.
  • FIG. 5 is a block diagram of a driving apparatus according to a modified embodiment of FIG. 4.
  • FIG. 6 is a block diagram of a driving apparatus according to another embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating an operation algorithm of a driving apparatus according to another exemplary embodiment of FIG. 6.
  • FIG. 8 is a flow chart of a variant embodiment of the operation algorithm of FIG.
  • FIG. 2 is a schematic diagram of an LED lighting system 10 according to the present invention.
  • the LED lighting system 10 includes a plurality of lighting devices 20 including an LED element 24a and a driving device 30 for driving the plurality of lighting devices 20. ).
  • the plurality of lighting devices 20 may be a socket type LED lighting device, a fluorescent type LED lighting device, or a panel type LED lighting device. That is, the lighting device 20 may be any lighting device 20 as long as the lighting device 20 includes the LED element 24a.
  • the lighting device 20 including the LED element 24a thus converts the high-voltage AC power provided by the power supply S into a low-voltage DC voltage required for driving the LED element 24a 40.
  • the lighting device 20 included in the LED lighting system 10 according to the present invention does not include the AC-DC converter 40.
  • the LED lighting system 10 according to the present invention includes a driving device 30 incorporating an AC-DC converter 40 to be included in a plurality of lighting devices 20 in a separate device.
  • the AC-DC converter 40 having a high cost ratio is removed from the lighting device 20 including the LED element 24a, and the removed AC-DC converter 40 is driven by one driving device ( 30) integrated and configured. Detailed configuration of the lighting device 20 will be described later with reference to FIG. 2.
  • the present invention can significantly reduce the manufacturing cost or cost of the lighting device 20.
  • the AC-DC converter 40 occupies a considerable portion of the space of the lighting device 20, and the present invention provides the lighting device 20 due to the omission of the AC-DC converter 40.
  • the whole size can be downsized.
  • the driving device 30 is electrically connected to the plurality of lighting devices 20 spaced apart from each other. That is, the driving device 30 is spaced apart from the LED element 24a having a large amount of heat generation (approximately 70 ° C. to 80 ° C.) and is connected to a wire or the like. Therefore, in the LED lighting system 10 according to the present invention, the life reduction phenomenon of the driving device 30 due to the heat generation of the LED element 24a is prevented, and the life of the LED lighting system 10 can be improved. There is an advantage.
  • the driving device 30 includes an AC-DC converter 40 for converting high voltage AC power supplied by the power supply S into low voltage DC power for driving the LED element 24a.
  • the AC-DC converter 40 is not a small AC-DC embedded in the LED lighting device 20 according to the prior art, but an integrated AC-DC converter having a rated power larger than the power consumption of the plurality of lighting devices 20. 40.
  • the outer housing of the drive device 30 may be provided with a heat dissipation unit (not shown) for discharging the drive heat of the drive device 30 to the outside.
  • the driving device 30 is provided in a room of a power demanding unit (for example, home or office) that consumes the power provided by the power supply source S, so that a user of the driving device 30
  • a power demanding unit for example, home or office
  • the operating state and the operating state of the lighting device 20 can be easily understood.
  • FIG. 3 is an exploded perspective view of the lighting device 20 according to the present invention. Referring to Figure 3, a detailed configuration of the lighting device 20 will be described.
  • the lighting device 20 includes a light source unit 24 including an LED element 24a and a printed circuit board 24b on which the LED element 24a is mounted in an electrical contact manner.
  • a lens unit 22 for guiding the light emitted from the light source 24a in a predetermined direction, a housing 26 for accommodating the light source unit 24 and an illumination mounted on one side of the housing 26 and installed in the power demand unit.
  • a mechanism portion mounted to an installation portion (not shown).
  • the lens unit 22 is made of a light transmissive or light semitransmissive material.
  • the lens unit 22 may be configured to adjust the direction of light of the LED element 24a or to adjust the irradiation range of the light according to the use of the lighting device 20.
  • One side of the lens unit 22 is provided with a reflective member 23 to allow the light of the LED element 24a to be concentrated and forward.
  • the lens unit 22 and the reflective member 23 may be coupled to the housing 26 by a covering 21.
  • the light source unit 24 includes an LED element 24a and a printed circuit board 24b connected to one side of the LED element 24a by an electrical contact method.
  • the printed circuit board 24b or the LED element 24a includes an electrode portion 24c to which electric power is supplied.
  • the electrode part 24c may be electrically connected directly to a socket-shaped plug, which will be described later, or may be directly connected to the driving device 30.
  • the LED element 24a may be directly supplied with direct current power from the driving device 30. That is, the lighting device 20 of the present invention can directly receive DC power from the driving device 30 through the electrode portion 24c of the LED element 24a without having an AC-DC converter.
  • a heat sink may be provided at one side of the printed circuit board 24 b to reduce the temperature of the LED.
  • the housing 26 accommodates the lens unit 22, the reflective member 23, and the light source unit 24.
  • the housing 26 is connected in a contact manner with a heat sink provided on one side of a printed circuit board 24b on which the LED element 24a is mounted to dissipate heat generated from the LED element 24a to the outside.
  • the housing 26 serves as a heat sink, and a plurality of heat dissipation fins may be formed on the outer surface of the housing 26 to increase the surface area in order to improve heat dissipation efficiency.
  • the housing 26 is preferably made of a metal material having excellent thermal conductivity.
  • the center of the housing 26 has a hollow portion, so that the printed circuit board 24b or the electrode portion 24c of the LED element 24a can penetrate the housing 26.
  • One side of the housing 26 is provided with a mechanism that allows the lighting device 20 to be easily mounted in a detachable manner or a fixed manner to a lighting installation unit installed in the power demand unit (for example, home or office).
  • the mechanism may be formed in a shape corresponding to the existing lighting installation, for example, the mechanism may be a socket-shaped plug (27).
  • the socket-type lighting device 20 corresponding to the socket type lighting installation unit will be described. However, this is exemplary and the present invention is not limited thereto.
  • One side of the housing 26 is provided with a socket-shaped plug 27 for electrically connecting the drive device 30 and the LED element 24a.
  • the socket-shaped plug 27 is directly connected to the electrode portion 24c of the printed circuit board 24b or the LED element 24a by an electrical contact method, and the socket-shaped plug 27 is a lighting installation portion of the power demand portion.
  • the DC power is supplied from the drive device 30 directly transfers the DC power to the LED element 24a.
  • the lighting device 20 does not include the AC-DC converter 40, so that the cost of the lighting device 20 can be considerably reduced, and the lifetime of the lighting device 20 is depleted.
  • the cost of the lighting device 20 can be considerably reduced, and the lifetime of the lighting device 20 is depleted.
  • the life of the LED element 24a can be further improved.
  • the space occupied by the AC-DC converter in the lighting device 20 can be saved, and the size of the LED lighting device 20 can be considerably miniaturized, resulting in space utilization and mechanism. Freedom of design can be significantly improved.
  • the lighting apparatus includes an LED element 24a for emitting light and a printed circuit board 24b on which the LED element is mounted in an electrical contact manner. And a direct current of the driving device such that the current of the DC power (or output power) supplied from the housing 26 and the driving device 30 accommodating the LED device and the printed circuit board is within a rated current range of the LED device. It may include a constant current control means (not shown) for controlling the current of the power (or output power) to supply a constant current within the rated current range of the LED element to the LED element.
  • the printed circuit board may include an electrode part 24c that receives DC power from the driving device.
  • the constant current control means may be a constant current controller accommodated in the housing and connected to the electrode portion, or may be a constant current control circuit formed on the printed circuit board.
  • the type of the LED lighting device is a socket-type LED lighting device, a fluorescent LED lighting device, a panel-type LED lighting device, and the like, so that the rated current of each LED lighting device ( Or even different power ratings, it is possible to provide each LED lighting device with a constant current within the inherent rated current (or rated power) range of each LED lighting device, thus preventing damage to the LED element due to overcurrent.
  • it is possible to receive a stable constant current (or electric power) regardless of the output power from the drive device can further improve the utility of the drive device, it is possible to uniformly obtain the chromaticity and brightness of the LED lighting device.
  • the constant current control means is a constant current control circuit formed on a printed circuit board
  • the LED lighting apparatus can be miniaturized, thereby improving design freedom and installation freedom of the LED lighting apparatus.
  • FIG. 4 is a block diagram of a driving device 30 according to an embodiment of the present invention.
  • the driving device 30 according to an embodiment of the present invention is supplied from a power supply source S.
  • a power supply source S As shown in FIG. It is located between a circuit breaker (CB) provided in a power demanding unit (eg, home, research institute, factory, or office) that consumes electric power, and the plurality of lighting devices 20.
  • CB circuit breaker
  • the power supply S, the earth leakage breaker CB, the driving device 30 and the lighting device 20 are connected by an electrical connection line (for example, a wire or a cable).
  • the driving device 30 according to the present invention since only the driving device 30 according to the present invention needs to be installed between the earth leakage breaker (CB) and the lighting device 20, the existing lighting equipment, electrical connection lines and lighting systems can be used as they are. It has the advantage that the cost of replacing the existing equipment is hardly required.
  • the driving device 30 includes one AC-DC converter 40, and the AC-DC converter 40 includes a power input unit to which AC power of a power supply S is input ( 41), a single converting unit 43 for converting the AC power to DC power, and a power output unit 45 for supplying the DC power to the plurality of lighting devices (20).
  • the single converting unit 43 may be configured to have a rated power greater than the amount of power consumed by the entire lighting device 20.
  • the single converting unit 43 of the AC-DC converter 40 corresponds to the AC-DC converter 40 provided in the LED lighting device 20 according to the prior art, but the LED lighting device 20 according to the prior art.
  • a plurality of AC-DC converter 40 should be built in the LED lighting device 20, AC-DC having a single converting unit 43 according to the present invention
  • the manufacturing cost of the converter 40 is very cheap compared to the manufacturing cost of the entire plurality of AC-DC converters 40.
  • the LED lighting device 20 requires a separate assembly process for the interior of the small AC-DC converter 40, the lighting device due to the AC-DC converter 40 according to the present invention 20 does not require a built-in small AC-DC converter 40, so it does not require a separate AC-DC converter 40 internal mounting process, so that the manufacturing time of the lighting device 20 can be shortened, thereby improving productivity and It has the advantage of reducing the manufacturing cost.
  • the present invention may improve the life of the drive device 30. This can also extend the life of the LED lighting system 10 as a whole.
  • FIG. 5 is a block diagram of the driving device 30 according to the modified embodiment of FIG. 4.
  • the driving device 30 is provided in a power demand unit (eg, home, research institute, factory, or office) that consumes power supplied from the power supply S.
  • a power demand unit eg, home, research institute, factory, or office
  • FIG. Being located between the earth leakage breaker (CB) and the plurality of lighting devices (20).
  • the AC-DC converter 40 includes a power input unit 41 to which AC power of a power supply S is input, and a plurality of converting units to convert the AC power into DC power. 43, a plurality of power output unit 45 for supplying the DC power to the plurality of lighting devices (20).
  • the quantity of the converting unit 43 may be the same as the quantity of the power output unit 45 and the quantity of the lighting device 20.
  • the plurality of converting units 43 are electrically connected to the plurality of power output units 45 in a one-to-one correspondence manner, and the plurality of power output units 45 are electrically connected to the plurality of lighting devices 20 in a one-to-one manner. Connected. That is, the plurality of converting units 43 are electrically connected to the plurality of lighting devices 20 in a one-to-one manner, and the plurality of converting units 43 converts AC power of a power supply source into DC power to convert the DC power. Power is supplied to the plurality of lighting devices 20.
  • the plurality of converting parts 43 may be detachably mounted separately from the AC-DC converter 40 in order to improve the ease of replacement of the converting parts 43 that have failed or are depleted of life. .
  • FIG. 6 is a block diagram of a drive device 30 according to another embodiment of the present invention.
  • the driving device 30 drives a plurality of lighting devices 20, and the driving device 30 includes a plurality of AC-DC converters 40; 50), the power detection unit 70 for detecting the amount of power consumed by the plurality of lighting devices 20 or the output power of the drive device 30 and the display unit 80 for displaying the operating state of the drive device 30 It includes.
  • the driving device 30 includes a control unit 60, the control unit 60 receives information on the amount of power consumption or output power from the power detection unit 70, and the plurality of AC-DC converter ( 40 and the display unit 80 can be controlled.
  • the main converter 40 is a converter for converting the AC power supplied from the power supply (S) to the direct current power to the plurality of lighting devices 20
  • the sub-converter 50 is the plurality of lighting devices
  • the power source 20 needs more than the predetermined rated power of the main converter 40
  • the power exceeding the predetermined rated power of the main converter 40 is directly supplied to the plurality of lighting devices 20. It is a converter supplied by.
  • the sub-converter 50 may drive the plurality of lighting apparatuses 20 (or the plurality of lighting apparatuses) in a malfunction (or emergency), such as when the life of the main converter 40 is exhausted or when a failure occurs. 20) to supply DC power.
  • the sub-converter 50 may operate the plurality of lighting devices 20 only with the rated power of the main converter 40. It only works if it is insufficient to drive or if the main converter malfunctions.
  • the main converter 40 or the sub-converter 50 is either the AC-DC converter 40 according to the embodiment shown in FIG. 4 or the AC-DC converter 40 according to the modified embodiment shown in FIG. 5. It can be one. That is, the main converter 40 or the sub-converter 50 includes a power input unit 41; 51a to which AC power of the power supply S is input, and a single converting unit 43 to convert the AC power into DC power; 51b), a power input unit (41; 51a) configured to include a power output unit (45; 51c) for supplying the DC power to the plurality of lighting devices 20, or the AC power of the power supply source (S) is input; ), A plurality of converters 43 and 51b for converting the AC power into DC power, and a plurality of power output units 45 and 51c for supplying the DC power to the plurality of lighting devices 20. May be
  • the rated power of the main converter 40 may be greater than the rated power of the sub-converter 50.
  • the sub-converter may be an AC-DC converter having a lower manufacturing cost than the main converter.
  • the DC power supply to the plurality of lighting devices may be interrupted due to a failure of the AC-DC converter, exhaustion of life, or a sudden increase in power consumption of the plurality of lighting devices.
  • the driving apparatus includes a main converter and a sub-converter, thereby preventing the power supply to the plurality of lighting apparatuses from being interrupted. The inconvenience of the user can be eliminated, and the plurality of lighting devices can be stably driven as a whole.
  • the present invention can efficiently operate the driving apparatus according to the situation.
  • FIG. 7 is a flowchart illustrating an operation algorithm of the driving device 30 according to another exemplary embodiment of FIG. 6. Specifically, FIG. 7 illustrates an operation algorithm of the controller of the driving apparatus when the rated power of the main converter is insufficient to drive the plurality of lighting apparatuses.
  • the controller 60 operates the main converter of the driving device 30 to convert the high voltage AC power of the power supply S into the low voltage DC power required for driving the lighting device 20 (S101).
  • the controller detects the amount of power consumption of the plurality of lighting devices through the power detection unit (S103).
  • the controller 60 determines the number of converters to supply AC power of the power supply source of the plurality of AC-DC converters 40 based on the amount of power consumption detected by the power detector 70.
  • the controller 60 determines whether the amount of power consumption detected by the power detector 70 exceeds a predetermined rated power of the main converter (S105). At this time, when the controller 60 determines that the amount of power consumption exceeds the predetermined rated power of the main converter, the controller 60 calculates the insufficient power consumption (S107), and the quantity of sub-converters to be operated. To calculate (S109). Thereafter, the controller 60 additionally supplies DC power to the plurality of lighting devices 20 by operating the sub-converter by the calculated quantity (S111).
  • AC power of the power supply S is additionally supplied to the sub converter.
  • the main converter or the sub-converter is controlled so as to be possible.
  • FIG. 8 is a flowchart S200 of a modified embodiment of the operation algorithm of FIG. 7. Specifically, FIG. 8 illustrates an operation algorithm of the controller of the driving apparatus when the main converter malfunctions.
  • the power detector 70 may be configured not only to sense the power consumption of the lighting device 20 but also to detect the output power of the main converter or the sub-converter.
  • the controller 60 operates the main converter of the driving device 30 to convert the high voltage AC power of the power supply S into the low voltage DC power required for driving the lighting device 20 (S201).
  • the controller 60 detects the output power amount of the main converter through the power detector 70 (S203).
  • the controller 60 determines whether the main converter malfunctions based on the output power amount of the main converter detected by the power detector 70 (S205). For example, when the controller 60 determines that the output power of the main converter is excessively insufficient for the power consumption of the plurality of lighting devices 20 currently being driven, or the output power is not detected, the controller 60 ) May determine that the main converter is malfunctioning.
  • the controller 60 determines that the main converter is malfunctioning, the controller 60 operates the sub converter to supply DC power to the plurality of lighting devices 20 (S207).
  • control unit 60 displays the display unit 80 such that information on an operating state of the main converter or the sub-converter and information on whether the power consumption exceeds the rated power of the main converter are displayed on the display unit 80. 80 can be controlled. As a result, the user can easily grasp the operating state of the main converter or the sub-converter.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)

Abstract

La présente invention porte sur un système d'éclairage à diodes électroluminescentes, et, en particulier, sur un système d'éclairage à diodes électroluminescentes avec de faibles coûts de fabrication et de maintenance et une durée de vie améliorée.
PCT/KR2011/009249 2010-12-01 2011-12-01 Système d'éclairage à diodes électroluminescentes Ceased WO2012074304A2 (fr)

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WO2012074304A3 (fr) 2012-08-23
JP2014502413A (ja) 2014-01-30
KR101210645B1 (ko) 2012-12-07

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