WO2015178625A1 - Appareil d'éclairage à del sur lequel est appliqué un circuit de protection contre les ondes électromagnétiques - Google Patents

Appareil d'éclairage à del sur lequel est appliqué un circuit de protection contre les ondes électromagnétiques Download PDF

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Publication number
WO2015178625A1
WO2015178625A1 PCT/KR2015/004840 KR2015004840W WO2015178625A1 WO 2015178625 A1 WO2015178625 A1 WO 2015178625A1 KR 2015004840 W KR2015004840 W KR 2015004840W WO 2015178625 A1 WO2015178625 A1 WO 2015178625A1
Authority
WO
WIPO (PCT)
Prior art keywords
electromagnetic wave
led lighting
heat sink
led
aluminum heat
Prior art date
Application number
PCT/KR2015/004840
Other languages
English (en)
Korean (ko)
Inventor
김진형
이병선
Original Assignee
주식회사 디에스피
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 주식회사 디에스피 filed Critical 주식회사 디에스피
Publication of WO2015178625A1 publication Critical patent/WO2015178625A1/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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • 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
    • 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
    • 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
    • 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
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89—Metals

Definitions

  • the present invention relates to an LED lighting device to which an electromagnetic wave shielding circuit is applied, and more particularly, to an LED lighting device in which an aluminum heat sink collects electromagnetic waves, converts them into surface currents, and discharges them through ground.
  • a light emitting diode is a device in which electrons and holes meet and emit light at a PN junction by applying an electric current, and are generally manufactured in a package structure in which an LED chip is mounted. It is called 'LED package'.
  • the LED package as described above is generally mounted on a printed circuit board (hereinafter, referred to as a PCB) and configured to emit light by receiving a current from an electrode formed on the printed circuit board.
  • a PCB printed circuit board
  • heat generated from the LED chip directly affects the light emitting performance and the lifetime of the LED package. The reason is that heat generated in an LED chip causes dislocations and mismatches in the crystal structure of the LED chip when the LED chip stays in the LED chip for a long time.
  • a heat sink slug made of a metal material having excellent thermal conductivity is inserted into the package body, and the LED chip is mounted on the heat slug.
  • LED package Such a conventional LED package is arranged so that the heat dissipation slug is in contact with the PCB, the heat of the LED chip is transferred to the PCB via the heat dissipation slug.
  • an LED package is arranged on a metal PCB, and a heat sink is installed under the metal PCB.
  • thermoplastic resins are inferior in heat dissipation because of their extremely low thermal conductivity. Therefore, the thermoplastic resins cannot be used without imparting thermal conductivity to the heat dissipation member for the LED lighting housing.
  • blending a high thermal conductivity filler is proposed.
  • the LED lighting housing requires flame retardancy, insulation, and good molding processability, and since there is no thermoplastic resin that satisfies all of them, resinization of the LED lighting housing has not yet been achieved.
  • the weight reduction by resinization and the beautiful white appearance are calculated
  • LED devices have been in the spotlight as light sources of various lighting devices.
  • the LED element is very small compared to the conventional illumination light source, and has very excellent characteristics such as low power consumption, long life, and fast reaction speed. In addition, it does not emit harmful waves such as ultraviolet rays and is environmentally friendly since it does not use mercury and other discharge gases.
  • the lighting device using the LED element has an electronic circuit built in the power module, the electromagnetic waves of high frequency, high power is emitted to the outside, which may adversely affect the user's body. Specifically, when the human body is exposed to electromagnetic waves, it may result in dermatitis, headache, chronic fatigue, premature birth and birth defects. Therefore, there is a need for a device that effectively blocks electromagnetic waves and a blocking technology.
  • the present invention has been made to solve the above problems, in the LED lighting apparatus to which the electromagnetic wave blocking circuit is applied, a plurality of LED lighting, a flexible circuit board on which the plurality of LED lighting is seated, the flexible flexible LED
  • An aluminum heat sink installed over the entire back surface of the circuit board, an electromagnetic wave blocking circuit module connected to the aluminum heat sink, a converter for converting between AC and DC, a circuit board on which circuit components are installed, a power supply unit for supplying power, and each component Comprising a plurality of conductors electrically connected
  • the aluminum heat sink is an antenna that collects electromagnetic waves, and provides an LED lighting fixture applying an electromagnetic wave blocking circuit that converts the collected electromagnetic waves into a surface current to discharge through the ground.
  • the present invention is a method of electromagnetic shielding of the LED lighting fixture, when the aluminum heat sink first absorbs electromagnetic waves, the surface current is generated on the surface of the aluminum heat sink by the absorbed electromagnetic waves, the surface current of the alternating current in the electromagnetic wave shield circuit module After the conversion to the DC current, the converted DC current is discharged through the ground to provide an electromagnetic shielding method of the LED lighting fixture that can block the electromagnetic waves.
  • the aluminum heat sink of the present invention not only functions to conduct and diffuse heat, but also functions as an antenna for collecting electromagnetic waves, thereby eliminating the need for additional means for collecting and absorbing electromagnetic waves. , Space efficient.
  • the aluminum heat sink of the present invention includes a guide portion for fixing the flexible circuit board, an electromagnetic shielding circuit module, a circuit board, and a storage space for arranging various conductors, thereby securing stability in fixing the LED lighting, and space efficiency. Can increase.
  • 1 is a block diagram showing the basic components of the LED lighting fixture.
  • FIG. 2 is a circuit diagram of an embodiment of an electromagnetic wave blocking circuit module of the present invention.
  • Figure 3 is a flow chart of the electromagnetic wave blocking method of the LED lighting fixture of the present invention.
  • FIG. 4 is an exemplary view of manufacturing the electromagnetic wave blocking circuit module of the present invention integrally with a circuit board.
  • FIG. 5 is an exemplary view of fixing a circuit diagram and a spring to a rear surface of a flexible circuit board to which an LED bulb lamp is fixed as another embodiment of the present invention.
  • the present invention relates to an LED (Light Emitting Diode) luminaire to which an electromagnetic wave shielding circuit is applied, and more particularly, to an LED luminaire that an aluminum heat sink collects electromagnetic waves, converts them into surface current, and sends them to the outside through ground. It is about.
  • LED Light Emitting Diode
  • the luminaire may be any one of an LED fluorescent lamp, an LED bulb (bulb), a downlight factory lamp, a flat panel lamp (panel lamp) or a spotlight, but is not limited thereto.
  • the aluminum heat sink 30 of the present invention functions as an antenna for collecting electromagnetic waves in addition to functioning as a heat sink, and the electromagnetic waves collected by the aluminum heat sink 30 are in the form of an alternating current by free electron vibration of an aluminum surface as a conductor. It is converted into surface current, which flows to the electromagnetic wave shield circuit module 40.
  • the aluminum heat sink 30 includes a guide part 31 for fixing the flexible circuit board 20 on which the plurality of LED lights 10 are seated, the electromagnetic wave blocking circuit module 40, and a circuit board on which the circuit parts are installed. It is preferable that the structure has a storage space (not shown) for accommodating the 60 and the conductive wire 80.
  • the aluminum heat sink 30 may be applied in various forms, including concave and convex shapes including concave and convex portions in order to increase the surface area and increase conversion efficiency.
  • the aluminum heat sink 30 of the present invention is an aluminum heat sink 30 installed over the entire back surface of the flexible circuit board 20, and collects electromagnetic waves generated from the LED light 10 and converts them into surface current, or the converter.
  • An aluminum heat dissipation plate 30 provided in the front portion of the unit 50 collects electromagnetic waves generated from the converter 50 and converts them into surface current.
  • the collected electromagnetic waves are converted into surface currents, which are alternating currents, and flowed to the electromagnetic wave blocking circuit module 40.
  • the alternating current is a surface current generated by electromagnetic waves touching a conductive object, and the surface current may flow along the surface of the conductive object.
  • the alternating current is a current in which electromagnetic waves generated from various electronic devices are converted into surface current and flows to the ground, or the alternating current is converted into surface current in electronic devices inside and outside the building, and flows to the ground of the building. It can be a current.
  • the present invention rectifies the surface current, which is the alternating current, including the electromagnetic wave blocking circuit module to convert the direct current into a direct current.
  • 2 illustrates an embodiment of the electromagnetic wave blocking circuit module 40.
  • the input unit 41 into which the AC current converted from the surface of the aluminum heat sink 30 is input, and the AC current input to the input unit 41 is input.
  • the rectifier 42 is converted into a DC current, an input terminal 43 for receiving a voltage input from the outside, and a ground providing unit 44 for generating ground with the voltage received from the input terminal 43.
  • This limits the inrush current of the NTC limits the surge by using a varistor, and limits the voltage of the input current by using Ohm's law, and adjusts the input voltage to almost zero in the rectifier circuit.
  • it is not limited to the circuit diagram shown in FIG.
  • the converter 50 may be a converter built-in type installed in the storage space of the aluminum heat sink 30 or a converter external type installed outside the aluminum heat sink 30.
  • the data obtained by repeatedly measuring a total of five times by installing the electromagnetic wave blocking circuit module (device) in the converter external converter and the converter internal converter are shown in Table 1 below.
  • the difference between not applying the electromagnetic wave shielding circuit module and applying the converter 50 and the electromagnetic wave shielding circuit module 40 to the outside was reduced to a maximum of 2%. 50) and when the electromagnetic wave shield circuit module 40 is applied inside, it is possible to completely block the electromagnetic waves.
  • FIG. 3 is a flowchart of a method for blocking electromagnetic waves of the LED lighting device of the present invention.
  • the aluminum heat sink 30 absorbs electromagnetic waves
  • surface current is generated on the surface of the aluminum heat sink 30 by the absorbed electromagnetic waves.
  • the phosphorus surface current is converted into a direct current in the rectifier 42 of the electromagnetic wave shield circuit module 40
  • the converted direct current is discharged through the ground, thereby blocking electromagnetic waves.
  • the ground may be at least one selected from an outlet ground, a neutral ground, a virtual ground, or a ground rod of a building.
  • FIG. 4 is an exemplary embodiment of the present invention, in which an electromagnetic wave blocking circuit module 40 of the present invention is integrally formed with an LED fluorescent lamp with a circuit board 60, and the input unit 41 shown in FIG. It is a way to protrude, and when the sliding fixed to the aluminum heat sink 30, it is in a form that can be immediately contacted.
  • FIG. 5 is an exemplary embodiment of the present invention, in which a circuit diagram and a spring are fixed to a rear surface of a flexible circuit board on which an LED bulb (bulb) lamp is fixed.

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

Abstract

L'invention concerne un appareil d'éclairage à DEL sur lequel est appliqué un circuit de protection contre les ondes électromagnétiques, et plus particulièrement un appareil d'éclairage à DEL dans lequel un panneau de radiateur en aluminium collecte les ondes électromagnétiques, les convertit en courant de surface et évacue le courant de surface par mise à la terre. L'appareil d'éclairage à DEL selon l'invention permet d'obtenir une protection efficace contre une onde électromagnétique survenant dans une lumière à DEL, un convertisseur ou dans d'autres pièces.
PCT/KR2015/004840 2014-05-19 2015-05-14 Appareil d'éclairage à del sur lequel est appliqué un circuit de protection contre les ondes électromagnétiques WO2015178625A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0059536 2014-05-19
KR20140059536A KR101496821B1 (ko) 2014-05-19 2014-05-19 전자파 차단회로를 적용한 엘이디 조명기구

Publications (1)

Publication Number Publication Date
WO2015178625A1 true WO2015178625A1 (fr) 2015-11-26

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PCT/KR2015/004840 WO2015178625A1 (fr) 2014-05-19 2015-05-14 Appareil d'éclairage à del sur lequel est appliqué un circuit de protection contre les ondes électromagnétiques

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KR (1) KR101496821B1 (fr)
WO (1) WO2015178625A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011044401A (ja) * 2009-08-24 2011-03-03 Panasonic Electric Works Co Ltd 照明装置
KR101214378B1 (ko) * 2012-05-30 2012-12-21 엔엘티테크주식회사 Ｌｅｄ 조명장치
JP2013069530A (ja) * 2011-09-22 2013-04-18 Toyoda Gosei Co Ltd Ｌｅｄ照明装置
JP2013196926A (ja) * 2012-03-21 2013-09-30 Iris Ohyama Inc 照明装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200459630Y1 (ko) * 2009-07-10 2012-04-04 이호일 방열 장치 및 이를 이용한 엘이디 조명 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011044401A (ja) * 2009-08-24 2011-03-03 Panasonic Electric Works Co Ltd 照明装置
JP2013069530A (ja) * 2011-09-22 2013-04-18 Toyoda Gosei Co Ltd Ｌｅｄ照明装置
JP2013196926A (ja) * 2012-03-21 2013-09-30 Iris Ohyama Inc 照明装置
KR101214378B1 (ko) * 2012-05-30 2012-12-21 엔엘티테크주식회사 Ｌｅｄ 조명장치

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Publication number Publication date
KR101496821B1 (ko) 2015-03-02

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