KR101105394B1 - Linear LED Lamps for Fluorescent Lamps - Google Patents

Linear LED Lamps for Fluorescent Lamps Download PDF

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Publication number
KR101105394B1
KR101105394B1 KR1020090106888A KR20090106888A KR101105394B1 KR 101105394 B1 KR101105394 B1 KR 101105394B1 KR 1020090106888 A KR1020090106888 A KR 1020090106888A KR 20090106888 A KR20090106888 A KR 20090106888A KR 101105394 B1 KR101105394 B1 KR 101105394B1
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South Korea
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heat sink
led
fluorescent
lamp
led lamp
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KR1020090106888A
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Korean (ko)
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KR20110050060A (en
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이영주
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재단법인 한국조명연구원
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/043—Refractors for light sources of lens shape the lens having cylindrical faces, e.g. rod lenses, toric lenses
    • 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
    • F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • 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
    • 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
    • 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
    • F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements

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

Abstract

본 발명은 LED 램프에 관한 것으로, 상세하게는, 기존의 형광등기구에 사용하는 장치 본체를 유지한 상태에서 직관형 형광램프를 대체하는 고발광효율, 넓은 범위의 배광분포, 호환안전성, 수명 및 신뢰성을 확보한 리니어 LED 램프에 관한 것이다.The present invention relates to an LED lamp, and more particularly, to provide a high luminous efficiency, a wide range of light distribution, compatibility safety, longevity and reliability to replace the fluorescent tube while maintaining the main body of the device used for the conventional fluorescent lamp The linear LED lamp secured.

본 발명의 LED 모듈을 광원으로 이용하고 컨버터를 외장형으로 한 형광램프 대체용 리니어 LED 램프는, 복수의 LED가 각각의 PCB 기판에 부착된 복수의 LED 모듈과; 상기 LED 모듈이 장착되는 사각 막대 형태의 히트 싱크와; 상기 히트 싱크를 덮도록 내부에 위치되어 상기 LED에서 조사되는 빛을 360° 전 방향으로 확산시키는 조명관과; 상기 히트 싱크와 상기 조명관을 고정하고 상기 LED 모듈에 전원을 공급하는 핀이 형성된 캡을 포함하는 것을 특징으로 한다.A fluorescent LED replacement linear LED lamp using the LED module of the present invention as a light source and an external converter includes: a plurality of LED modules having a plurality of LEDs attached to respective PCB substrates; A heat sink having a rectangular bar shape in which the LED module is mounted; A lighting tube positioned inside to cover the heat sink and diffusing light radiated from the LED in all directions by 360 °; It characterized in that it comprises a cap formed with a fin for fixing the heat sink and the light tube and for supplying power to the LED module.

Description

형광램프 대체용 리니어 엘이디 램프{Linear LED lamp for replacing fluorescent lamp}Linear LED lamp for replacing fluorescent lamp

본 발명은 LED 램프에 관한 것으로, 상세하게는, 기존의 형광등기구에 사용하는 장치 본체를 유지한 상태에서 직관형 형광램프를 대체하는 고발광효율, 넓은 범위의 배광분포, 호환안전성, 수명 및 신뢰성을 확보한 리니어 LED 램프에 관한 것이다.The present invention relates to an LED lamp, and more particularly, to provide a high luminous efficiency, a wide range of light distribution, compatibility safety, longevity and reliability to replace the fluorescent tube while maintaining the main body of the device used for the conventional fluorescent lamp The linear LED lamp secured.

기존의 LED램프는 LED에서 발생하는 열로 인하여 광학성능 및 수명을 저하시키는 원인이 되어 원통형 형태의 외부에 LED모듈에서 발생하는 열을 방출하기 위한 히트 싱크(Heat-sink)를 구성해야 하는 구조로 되어 있어 방사각도가 협소화되어 고조도 반사갓이 장착된 기존의 등기구에 취부하면 LED의 직진광으로 직하 조도는 높은 반면, 발광효율이 낮고 배광분포가 좁은 범위로 유지되어 기존의 형광램프와 동등한 공간의 균조도를 유지하기 위해서는 LED램프의 설치개수를 늘려야하는 문제점이 있다.Existing LED lamps cause optical performance and lifespan due to heat generated from the LEDs, and thus, a heat sink for releasing heat generated from the LED module outside the cylindrical shape must be constructed. When it is attached to the existing luminaire equipped with high illumination reflector with narrow radiation angle, the direct illumination of LED is high, while the illuminance is high, while the luminous efficiency is low and the light distribution is maintained in a narrow range. In order to maintain the degree, there is a problem in that the number of installation of the LED lamp must be increased.

또한, 기존의 형광등기구의 안정기 2차 전압을 입력전원으로 활용하는 컨버터 내장형이나 인가되는 전압 220V를 그대로 입력전압으로 사용하는 컨버터 내장형 LED 램프 등의 구조들은 생산현장에서나 고객이 기존 형광등기구에 LED램프로 대체하고자 할 때의 혼란으로 안전성을 담보하기 어려워 보급·확산 및 제품표준화가 지연되고 있는 실정이다.In addition, structures such as a built-in converter that utilizes the stabilizer secondary voltage of an existing fluorescent lamp as an input power source or a built-in converter LED lamp that uses an applied voltage of 220 V as an input voltage are used in a production site or a customer may use an LED lamp in an existing fluorescent lamp. Due to the confusion when trying to replace it, it is difficult to secure the safety, and the distribution, diffusion, and product standardization are delayed.

따라서, 본 발명은 상기와 같은 종래 기술의 문제점을 해결하기 위하여 안출된 것으로, 기존의 형광등기구에 사용하는 장치 본체를 유지한 상태에서 직관형 형광램프를 대체하는 고발광효율, 넓은 범위의 배광분포, 호환안전성, 수명 및 신뢰성을 확보한 리니어 LED 램프의 제공을 목적으로 한다.Therefore, the present invention has been made to solve the problems of the prior art, a high luminous efficiency, a wide range of light distribution, which replaces a straight fluorescent lamp while maintaining the main body of the device for use in the existing fluorescent light fixture, It aims to provide linear LED lamps with compatible safety, life and reliability.

이러한 본 발명의 목적을 이루기 위한 LED 모듈을 광원으로 이용하는 컨버터를 외장형으로 한 형광램프 대체용 리니어 LED 램프는, 복수의 LED가 각각의 PCB 기판에 부착된 복수의 LED 모듈과; 상기 LED 모듈이 장착되는 사각 막대 형태의 히트 싱크와; 상기 히트 싱크를 덮도록 내부에 위치되어 상기 LED에서 조사되는 빛을 360° 전방향으로 확산시키는 조명관과; 상기 히트 싱크와 상기 조명관을 고정하고 상기 LED 모듈에 전원을 공급하는 핀이 형성된 캡을 포함하는 것을 특징으로 한다.Fluorescent lamp replacement linear LED lamp having an external converter using the LED module as a light source for achieving the object of the present invention, a plurality of LED modules are attached to each PCB substrate; A heat sink having a rectangular bar shape in which the LED module is mounted; A lighting tube positioned inside to cover the heat sink and diffusing light radiated from the LED in all directions by 360 °; It characterized in that it comprises a cap formed with a fin for fixing the heat sink and the light tube and for supplying power to the LED module.

본 발명에 따르면 기존 형광등기구의 직관형 형광램프를 대체하는 친환경, 절전형, 고발광효율 램프로 에너지절감은 물론 고객이 교체시, 즉 사용상 안정성을 확보할 수 있고, 기존의 형광램프와 같이 360° 전 방향으로 빛을 방사하는 원형의 확산 및 스폿(spot) 렌즈 구조로 발광 효율 및 배광분포를 유지할 수 있다.According to the present invention, eco-friendly, energy-saving, and high luminous efficiency lamps replace the fluorescent lamps of conventional fluorescent lamps. A circular diffusion and spot lens structure that emits light in a direction can maintain light emission efficiency and light distribution.

또한 사각막대 형태의 히트 싱크 내부를 요철 및 통풍 홀(ventilation hole) 구조로 형성함으로써 자연 공냉식 열 방출로 방열효율을 향상시켜 발광효율, 수명 및 신뢰성을 확보할 수 있다.In addition, by forming the inside of the heat sink in the form of a square bar with the concave-convex and ventilation hole structure, it is possible to secure the luminous efficiency, lifetime and reliability by improving the heat radiation efficiency by natural air-cooled heat emission.

또한 본 발명은, 컨버터 내장에 따른 LED 램프의 중량 요소를 전량 제거한 구조로 되어 있어 기존 형광등기구 소켓의 하중에 따른 낙하내구 안전성을 확보하였으며, 기존 형광등기구와 동일한 생산·판매시스템 및 표준화 기반 운영으로 생산 및 판매 현장뿐만 아니라 고객의 호환 사용면에서 발생하는 혼란을 최소화할 수 있다.In addition, the present invention is structured by removing all the weight elements of the LED lamp according to the built-in converter to ensure the drop durability safety according to the load of the existing fluorescent light fixture socket, and the same production and sales system and standardized operation Minimal disruptions not only in production and sales sites, but also in the customer's compatible use.

이하에서는, 본 발명에 따른 형광램프 대체용 리니어 LED 램프를 첨부된 도면을 참조하여 상세하게 설명한다.Hereinafter, a linear LED lamp for replacing a fluorescent lamp according to the present invention will be described in detail with reference to the accompanying drawings.

도 1 내지 도 4에 도시된 바와 같이 본 발명에 따른 LED 램프(10)는,1 to 4, the LED lamp 10 according to the present invention,

복수의 LED(12)가 각각의 PCB 기판에 부착된 복수의 LED 모듈(23)과, 상기 LED 모듈(23)이 장착되는 사각 막대 형태의 히트 싱크(11)와, 상기 히트 싱크(11)를 덮도록 내부에 위치되어 상기 LED(12)에서 조사되는 빛을 360° 전방향으로 확산시키는 조명관(14)과, 상기 히트 싱크(11)와 상기 조명관(14)을 고정하고 상기 LED 모듈(23)에 전원을 공급하는 핀(15)이 형성된 캡(13)을 포함하여 구성된다.A plurality of LED modules 23 attached to each PCB substrate, a plurality of LEDs 12, a heat sink 11 in the form of a square bar on which the LED module 23 is mounted, and the heat sink 11 It is located inside to cover the light tube 14 for diffusing the light irradiated from the LED 12 in all directions 360 °, the heat sink 11 and the light tube 14 is fixed to the LED module ( And a cap 13 having a pin 15 for supplying power to the 23.

히트 싱크(11)는 LED(12)에서 발생하는 발광 열을 외부로 배출하기 위해, 내부가 대략 □15㎜이하의 사각 막대 형태로 형성되고, 360° 전 방향으로 빛을 방사하기 위하여 4개의 외측 면(21)에는 복수의 LED(12)가 실장된 피시비(PCB) 기판으로 형성된 LED 모듈(23)이 길이 방향으로 형성된다.The heat sink 11 is formed in the shape of a square bar of approximately □ 15 mm or less in order to discharge the luminescent heat generated by the LED 12 to the outside, and the four outside to emit light in 360 ° all directions On the surface 21, an LED module 23 formed of a PCB substrate on which a plurality of LEDs 12 are mounted is formed in the longitudinal direction.

또한, 내측 면(22)에는, 도시하지는 않았지만, 발광되는 LED(12)에서 발생되는 열을 방출할 수 있도록, 내측 4면에 요철이 형성된다.In addition, although not shown, the inner surface 22 is provided with irregularities on the inner four surfaces so that heat generated by the LED 12 that emits light can be released.

캡(13)에는, 중앙에 4개의 내주벽(33)으로 사각 홀(32) 형태를 형성하고 이 홀(32)을 통해 히트 싱크(11)에서 방출되는 열을 외부로 배출하는 역할을 한다. 또한, 내주벽(33)의 내측은 히트 싱크(11)의 내측면(22)이 슬라이드방식으로 끼워지도록 히트 싱크(11)의 내부와 크기가 유사하거나 약간 작은 크기로 이루어지는 히트 싱크 지지대(35)와, 이 히트 싱크 지지대(35)의 수직한 방향으로 어느 일정한 위치에 형성되어 슬라이드 되는 히트 싱크(11)를 정지시키는 히트 싱트 스토퍼(34)가 형성된다. 캡(13)의 외주벽(36)은 조명관(14)의 양단을 끼움 방식으로 고정한다. 따라서, 캡(13)은 끼움 방식으로 히트 싱크(11)와 조명관(14)을 고정할 수 있다.In the cap 13, four inner peripheral walls 33 are formed in the center to form a rectangular hole 32, and serve to discharge heat emitted from the heat sink 11 to the outside through the hole 32. In addition, the inside of the inner circumferential wall 33 is a heat sink support 35 made of a size that is similar or slightly smaller than the inside of the heat sink 11 so that the inner surface 22 of the heat sink 11 is fitted in a slide manner. And a heat sink stopper 34 for stopping the heat sink 11 formed at a certain position in the vertical direction of the heat sink support 35 and sliding. The outer circumferential wall 36 of the cap 13 is fixed by fitting both ends of the light tube 14. Thus, the cap 13 can fix the heat sink 11 and the light tube 14 in a fitting manner.

사각 홀(32)의 양측에는, LED 램프(10)에 전원을 공급하는 전원 핀(15)을 장착하는 핀 홀(31)을 형성한다.On both sides of the square hole 32, pin holes 31 for mounting the power pins 15 for supplying power to the LED lamp 10 are formed.

따라서, 본 발명에 LED 램프(10)는 종래의 형광등 램프의 소켓에 적용할 수 있는 것으로, 외장형 컨버터(41)를 통해 입력전압 AC 220V 전원을 DC 전원으로 변환하여 복수의 LED 모듈(23)에 공급한다. 또한, 외장형 컨버터(41)는 입력 전원의 과전압 및 과전류를 차단하고 노이즈를 제거함으로써 항상 일정 크기의 정전류를 LED 모듈(23)에 공급한다.Therefore, the LED lamp 10 according to the present invention is applicable to the socket of a conventional fluorescent lamp, and converts the input voltage AC 220V power into DC power through the external converter 41 to the plurality of LED modules 23. Supply. In addition, the external converter 41 always supplies a constant current of a predetermined magnitude to the LED module 23 by blocking overvoltage and overcurrent of the input power and removing noise.

또한, 4면에 취부 된 복수의 LED(12)를 서로 다른 색으로 구성하여, 스위칭 회로(42)의 제어에 의해 다양한 컬러 풀(colorful)한 색을 연출한다.In addition, the plurality of LEDs 12 mounted on the four surfaces are configured in different colors to produce various colorful colors under the control of the switching circuit 42.

한편, 본 발명에 따른 LED 램프(10)에 있어서, LED(12)에서 조사되는 빛을 확산시키는 조명관(14)은, 대략 Φ35㎜이하의 원통형의 불투명 프로스트 렌즈(frost lens), 확산 렌즈 혹은 스폿 렌즈(spot lens) 등 다양한 형태로 구성되어 사용 용도 등에 따라 선택할 수 있도록 형성된다.On the other hand, in the LED lamp 10 according to the present invention, the illumination tube 14 for diffusing light emitted from the LED 12 is a cylindrical opaque frost lens, diffusion lens or It is formed in various forms such as a spot lens so as to be selected according to the use purpose.

이상에서 첨부된 도면을 참조하여 본 발명에 따른 형광램프 대체용 리니어 LED 램프를 설명하였으나, 이러한 기재는 설명의 목적만을 위한 것이고, 이하의 청구범위의 정신 및 범위를 일탈하지 않는 범위에서 변경 및 변화가 이루어질 수 있음은 물론이다.Although the linear LED lamp for replacing a fluorescent lamp according to the present invention has been described above with reference to the accompanying drawings, this description is for the purpose of explanation only, and changes and modifications are made within the scope and spirit of the following claims. Of course it can be done.

도 1은 본 발명에 따른 LED 램프를 나타내는 사시도이다.1 is a perspective view showing an LED lamp according to the present invention.

도 2는 LED 램프의 내부에 삽입되는 히트 싱크의 사시도이다.2 is a perspective view of a heat sink inserted into an LED lamp.

도 3a는 LED 램프 양단에 장착되는 캡의 정면도이고, 도 3b는 캡의 평면도이고, 도 3c는 캡의 측면도이다.3A is a front view of a cap mounted at both ends of the LED lamp, FIG. 3B is a plan view of the cap, and FIG. 3C is a side view of the cap.

도 4는 본 발명에 따른 LED 램프를 나타내는 블록도이다.4 is a block diagram showing an LED lamp according to the present invention.

Claims (5)

LED 모듈을 광원으로 이용하는 형광램프 대체용 리니어 LED 램프에 있어서,In the linear LED lamp for fluorescent lamp replacement using the LED module as a light source, 복수의 LED가 각각의 PCB 기판에 부착된 복수의 LED 모듈과,A plurality of LED modules having a plurality of LEDs attached to each PCB substrate, 상기 LED 모듈이 장착되는 사각 막대 형태의 히트 싱크와,A heat sink having a square bar shape in which the LED module is mounted; 상기 히트 싱크를 덮도록 내부에 위치되어 상기 LED에서 조사되는 빛을 360° 전방향으로 확산시키는 조명관과,A lighting tube positioned inside to cover the heat sink and diffusing light radiated from the LED in all directions by 360 °; 상기 히트 싱크와 상기 조명관을 고정하고 상기 LED 모듈에 전원을 공급하는 핀이 형성된 캡을 포함하여 구성되며,And a cap having a pin formed to fix the heat sink and the light tube and to supply power to the LED module. 상기 캡 중앙에 사각 홀을 형성하여 상기 히트 싱크에서 배출되는 열을 외부로 대류 방출하도록 하는 것을 특징으로 하는 형광램프 대체용 리니어 LED 램프.Forming a rectangular hole in the center of the cap linear LED lamp for fluorescent lamp replacement, characterized in that to convectively radiate heat from the heat sink to the outside. 제 1항에 있어서,The method of claim 1, 상기 사각막대 형태의 히트 싱크는 내측면에 상기 LED에서 발생하는 열을 방출하는 요철이 형성된 것을 특징으로 하는 형광램프 대체용 리니어 LED 램프.The rectangular bar-shaped heat sink is a fluorescent lamp replacement linear LED lamp, characterized in that the inner surface is formed with irregularities for emitting heat generated from the LED. 제 1항에 있어서,The method of claim 1, 상기 히트 싱크의 외측 4면에는 상기 복수의 LED 모듈이 장착되어 360° 전방향으로 빛을 방사시키는 것을 특징으로 하는 형광램프 대체용 리니어 LED 램프.Linear LED lamps for replacing fluorescent lamps, characterized in that the plurality of LED modules are mounted on the outer four sides of the heat sink to emit light in a 360 ° direction. 제 1항에 있어서,The method of claim 1, 상기 캡은,The cap, 중앙에 사각 홀 형태의 내주벽을 형성하고,Form an inner wall in the form of a square hole in the center, 상기 내주벽의 내측에 상기 히트 싱크의 내측면이 슬라이드방식으로 끼워지도록 히트 싱크 지지대와,A heat sink supporter so that an inner surface of the heat sink is fitted in a slide manner inside the inner circumferential wall; 상기 히트 싱크 지지대의 수직한 방향으로 형성되어 슬라이드 되는 상기 히트 싱크를 정지시키는 히트 싱트 스토퍼와,A heat sink stopper formed in a vertical direction of the heat sink supporter to stop the heat sink being slid; 상기 사각 홀 양측에 형성된 핀 홀을 포함하는 것을 특징으로 하는 형광램프 대체용 리니어 LED 램프.The fluorescent LED replacement linear LED lamp comprising a pin hole formed on both sides of the square hole. 삭제delete
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