JP2013031350A - Led light source turn-on device - Google Patents

Led light source turn-on device Download PDF

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Publication number
JP2013031350A
JP2013031350A JP2011177284A JP2011177284A JP2013031350A JP 2013031350 A JP2013031350 A JP 2013031350A JP 2011177284 A JP2011177284 A JP 2011177284A JP 2011177284 A JP2011177284 A JP 2011177284A JP 2013031350 A JP2013031350 A JP 2013031350A
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power supply
surge
lightning
control power
led
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JP2011177284A
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Japanese (ja)
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Wataru Kitade
亘 北出
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Tozai Denko Co Ltd
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Tozai Denko Co Ltd
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Priority to JP2011177284A priority Critical patent/JP2013031350A/en
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    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To solve the problem of LEDs used increasingly as light sources in place of mercury lamps for road lamps, etc. that although magnetic ballasts are used for mercury lamps, semiconductor components are used in many cases for the control power supply of LEDs, so that when LED road lamps, etc. are struck by lightning, for example, the semiconductor components in the control power supply are electrically broken to become faulty.SOLUTION: A lightning surge protection device composed of a surge absorber and a fuse is inserted between a commercial power supply and an LED control power supply. When a power supply line or a ground line is struck by lightning, the voltage applied to the LED control power supply can, in either case, be limited to a voltage set by a surge absorber value in the lightning surge protection device, which an LED turn-on circuit can withstand. Also, when energy exceeding the withstanding capacity of the surge absorber is received, the surge absorber is short-circuited and the fuse in the lightning surge protection device is burnt out, making it possible to prevent the LED turn-on circuit itself from being damaged.

Description

本発明は、ＬＥＤを負荷とする制御電源の雷サージ保護装置に関するものである。  The present invention relates to a lightning surge protection device for a control power supply having an LED as a load.

従来道路灯などには光源として主に水銀灯が用いられてきたが、近年高照度の白色ＬＥＤが開発されたことを契機に、長寿命・省電力および、メンテナンスが少なくてすむなどの利点から光源がＬＥＤに置き換えられつつある。  Conventionally, mercury lamps have been mainly used as light sources for road lights, etc., but in light of the development of white LEDs with high illuminance in recent years, the light source has advantages such as long life, power saving, and less maintenance. Are being replaced by LEDs.

水銀灯の場合一般に磁気式安定器が用いられているが、ＬＥＤの制御電源には半導体などの電子部品が多用されている。  In the case of a mercury lamp, a magnetic ballast is generally used, but an electronic component such as a semiconductor is frequently used as a control power source of the LED.

ＬＥＤを負荷とする制御電源は半導体などの電子部品を使用しているため、落雷による雷サージ対策として電源２線間にバリスタなどのサージアブソーバが用いられている。  Since the control power source using the LED as a load uses electronic components such as semiconductors, a surge absorber such as a varistor is used between two power sources as a countermeasure against lightning surges caused by lightning.

しかし、落雷による雷サージは電源・アース間に加えられることが多いため充電部とアース（主として制御電源の外殻）の間の距離を大きくしなければ制御電源の故障する確率は高い。上述の距離を大きくすれば制御電源の寸法が大きくなり、また価格も高くなる。  However, since a lightning surge due to lightning is often applied between the power source and the ground, the probability of failure of the control power source is high unless the distance between the charging unit and the ground (mainly the outer shell of the control power source) is increased. Increasing the distance increases the size of the control power source and increases the price.

本発明は制御電源とは別個に、商用電源と制御電源の間にヒューズとサージアブソーバで構成される低価格で交換可能な雷サージ保護装置を設置することにより、電源線・アース間の雷サージをＪＩＳによって定められている耐圧の上限である約２．５ＫＶに軽減して、制御電源を雷サージから保護するようにしたものである。  The present invention provides a lightning surge protection between a power line and the ground by installing a low-price replaceable lightning surge protection device comprising a fuse and a surge absorber between a commercial power supply and a control power supply separately from the control power supply. Is reduced to about 2.5 KV, which is the upper limit of the withstand voltage defined by JIS, and the control power supply is protected from lightning surge.

本発明によれば、安価で交換可能な雷サージ保護装置を商用電源とＬＥＤ制御電源の間に挿入することによりサージアブソーバが雷サージを制限し、高価なＬＥＤ制御電源を落雷によるサージから保護することができる。  According to the present invention, an inexpensive and replaceable lightning surge protection device is inserted between the commercial power supply and the LED control power supply so that the surge absorber limits the lightning surge and protects the expensive LED control power supply from the lightning surge. be able to.

また、落雷のエネルギーがサージアブソーバの耐量を超える場合にはサージアブソーバが故障し、同装置内のヒューズ切れる。雷サージ保護装置は故障するが、ＬＥＤ制御電源を雷サージによる故障から保護でき、また雷サージ保護装置はＬＥＤ制御電源に対して別個に設置されているため故障時の交換も容易に行える。  Also, if the lightning strike energy exceeds the surge absorber's tolerance, the surge absorber will fail and the fuse in the device will blow. Although the lightning surge protection device fails, the LED control power source can be protected from the failure due to the lightning surge, and since the lightning surge protection device is separately installed with respect to the LED control power source, replacement at the time of failure can be easily performed.

以下、図面に基づき本発明の実施の形態を説明する。  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１に本発明の構成図を示す。  FIG. 1 shows a configuration diagram of the present invention.

商用電源１に本発明である雷サージ保護装置４が接続され、雷サージ保護装置４の出力端にＬＥＤ制御電源３が接続され、その出力端にはＬＥＤ負荷２が接続されている。制御電源３はＬＥＤ負荷２の電流を制御する装置である。  The lightning surge protection device 4 according to the present invention is connected to the commercial power source 1, the LED control power source 3 is connected to the output end of the lightning surge protection device 4, and the LED load 2 is connected to the output end. The control power supply 3 is a device that controls the current of the LED load 2.

図２に雷サージ保護装置４の回路図を示す。  FIG. 2 shows a circuit diagram of the lightning surge protection device 4.

雷サージ保護装置４は電源の２線間にヒューズ６およびヒューズ７が接続され、電源２線間にはサージアブソーバ８およびサージアブソーバ９が直列に接続され、サージアブソーバ８とサージアブソーバ９の接続点にはサージアブソーバ１０が接続され、サージアブソーバ１０の他端は接地されている。  In the lightning surge protection device 4, a fuse 6 and a fuse 7 are connected between two power lines, a surge absorber 8 and a surge absorber 9 are connected in series between the two power lines, and a connection point between the surge absorber 8 and the surge absorber 9 is connected. Is connected to a surge absorber 10, and the other end of the surge absorber 10 is grounded.

サージアブソーバ８、９、および１０の制限電圧の値をそれぞれ６８０Ｖ、６８０Ｖ、１８００Ｖとする。  The limit voltage values of the surge absorbers 8, 9, and 10 are 680V, 680V, and 1800V, respectively.

いま落雷による誘導雷が商用電源１の回路に侵入するとこのサージはヒューズ６またはヒューズ７を通じてサージアブソーバ８およびサージアブソーバ９間（電源２線間）とサージアブソーバ８とサージアブソーバ１０の間、またはサージアブソーバ９とサージアブソーバ１０の間（電源１線接地間）に印加される  When an induced lightning due to a lightning strike enters the circuit of the commercial power source 1, this surge is caused between the surge absorber 8 and the surge absorber 9 (between the two power sources), the surge absorber 8 and the surge absorber 10, or the surge through the fuse 6 or the fuse 7. Applied between absorber 9 and surge absorber 10 (between power line 1 ground)

ＪＩＳでは電源２線間では１ＫＶ、電源１線アース間２．５ＫＶのサージに耐えるようにしなければならないが、電源２線間にサージが印加される場合では通常ＬＥＤ制御電源の入力側にはサージアブソーバが存在し、サージが１ＫＶ以下に制限されて耐えることができるため問題にはならない。  In JIS, it is necessary to withstand a surge of 1 KV between the two power supply lines and 2.5 KV between the two power supply lines, but when a surge is applied between the two power supply lines, a surge is usually applied to the input side of the LED control power supply. There is no problem because an absorber exists and the surge is limited to 1 KV or less and can withstand.

電源１線アース間にサージが印加される場合では、サージはサージアブソーバ８とサージアブソーバ１０の間、またはサージアブソーバ９とサージアブソーバ１０の間でサージアブソーバの作用により約２４８０Ｖに制限されるため、ＪＩＳに適合した２．５ＫＶのサージに耐えるＬＥＤ制御電源は故障することはない。  When a surge is applied between the power line 1 and the ground, the surge is limited to about 2480 V by the action of the surge absorber between the surge absorber 8 and the surge absorber 10 or between the surge absorber 9 and the surge absorber 10. The LED control power supply that can withstand 2.5 KV surge that conforms to JIS will not fail.

落雷のエネルギーがサージアブソーバ８，９，１０の耐量を超えるとサージアブソーバ８，９，１０が短絡故障し、雷サージ保護装置内のヒューズ６，７が切れる。雷サージ保護装置４は故障するが、ＬＥＤ制御電源３を雷サージによる故障から保護でき、また雷サージ保護装置４はＬＥＤ制御電源３と別個に設置されているため故障時の交換も容易に行える。When the lightning strike energy exceeds the withstand capability of the surge absorbers 8, 9, and 10, the surge absorbers 8, 9, and 10 are short-circuited, and the fuses 6 and 7 in the lightning surge protection device are blown. Although the lightning surge protection device 4 breaks down, the LED control power supply 3 can be protected from the failure due to the lightning surge, and since the lightning surge protection device 4 is installed separately from the LED control power supply 3, it can be easily replaced at the time of failure. .

本発明の構成図Configuration diagram of the present invention 雷サージ保護装置の回路図Circuit diagram of lightning surge protection device

１ 商用電源
２ ＬＥＤ負荷
３ ＬＥＤ制御電源
４ 雷サージ保護装置
５ アース
６ ヒューズ
７ ヒューズ
８ サージアブソーバ
９ サージアブソーバ
１０ サージアブソーバ1 Commercial Power Supply 2 LED Load 3 LED Control Power Supply 4 Lightning Surge Protection Device 5 Ground 6 Fuse 7 Fuse 8 Surge Absorber 9 Surge Absorber 10 Surge Absorber

Claims (1)

ＬＥＤ光源を負荷とし、それを制御するＬＥＤ制御電源を有する点灯装置において、その構成が商用電源に接続される２線の１線毎に電流ヒューズを接続し、それぞれの出力端にサージアブソーバ８、９を直列に接続し、前記サージアブソーバ８、９の接合点にサージアブソーバ１０を接続し、前記サージアブソーバ１０を接地させてなる交換可能な雷サージ保護装置を商用電源とＬＥＤ制御電源の間に設置してなるＬＥＤ光源用点灯装置。  In a lighting device having an LED light source as a load and having an LED control power source for controlling the load, a current fuse is connected to each of the two wires connected to the commercial power source, and a surge absorber 8 is connected to each output terminal, 9 is connected in series, a surge absorber 10 is connected to the junction point of the surge absorbers 8 and 9, and the surge absorber 10 is grounded to provide a replaceable lightning surge protection device between the commercial power supply and the LED control power supply. An LED light source lighting device that is installed.
JP2011177284A 2011-07-27 2011-07-27 Led light source turn-on device Withdrawn JP2013031350A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2809129A3 (en) * 2013-05-29 2015-08-19 BAG engineering GmbH Safety devices for protecting LED lights against interference
CN104981074A (en) * 2015-07-13 2015-10-14 芜湖市神龙新能源科技有限公司 Lightning protection method for LED street lamp
JP6134452B1 (en) * 2014-03-31 2017-05-24 厦門賽爾特電子有限公司 Light controller with surge protection function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2809129A3 (en) * 2013-05-29 2015-08-19 BAG engineering GmbH Safety devices for protecting LED lights against interference
JP6134452B1 (en) * 2014-03-31 2017-05-24 厦門賽爾特電子有限公司 Light controller with surge protection function
JP2017516254A (en) * 2014-03-31 2017-06-15 厦門賽爾特電子有限公司 Light controller with surge protection function
CN104981074A (en) * 2015-07-13 2015-10-14 芜湖市神龙新能源科技有限公司 Lightning protection method for LED street lamp

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Effective date: 20141007