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    • 31. 发明专利
    • Temporary emergency lamp
    • 临时紧急灯
    • JP2003022896A
    • 2003-01-24
    • JP2001208796
    • 2001-07-10
    • Isk Kkアイエスケー株式会社
    • ISHIKAWA SHIGERUISHIKAWA KAZUO
    • F21S9/02F21W131/101F21Y103/37H02J9/02H02J9/06H05B41/14
    • PROBLEM TO BE SOLVED: To provide an emergency lamp capable of preventing wasteful discharge of a storage battery. SOLUTION: In this emergency lamp A, a lighting circuit for normal times 40 for lighting up a fluorescent lamp 18 by a commercial AC power supply 39 and a lighting circuit for emergency 42 to light up the fluorescent lamp 18 by the storage battery 29 charged by the commercial AC power supply 39 via a charge circuit 43 are switched by the relay switches SW1, SW2, SW3, SW4 of a relay coil Ry for emergency detection. A timer TM, for adjust and set the lighting time of the fluorescent lamp 18 in an emergency, is connected parallel to the storage battery 29, and one of the relay switches SW1, SW2, SW3, SW4 is determined to be opened, after the setting time of the timer TM has elapsed.
    • 要解决的问题:提供一种能够防止蓄电池的浪费放电的应急灯。 解决方案:在这个应急灯A中,正常时间40的照明电路用于通过商用交流电源39照亮荧光灯18和用于紧急情况42的照明电路,以便由蓄电池29照亮荧光灯18,蓄电池29由 经由充电电路43的商用AC电源39由用于紧急检测的继电器线圈Ry的继电器开关SW1,SW2,SW3,SW4切换。 用于在紧急情况下调节和设定荧光灯18的点亮时间的定时器TM与蓄电池29并联连接,并且在继电器开关SW1,SW2,SW3,SW4中的一个被确定为打开之后 定时器TM的设定时间已过。
    • 36. 发明专利
    • EMERGENCY LAMP
    • JP2000166120A
    • 2000-06-16
    • JP33789698
    • 1998-11-27
    • TOSHIBA TEC KK
    • SAKATA KAZUOYAMAMOTO HARUMINE
    • H02J9/02H05B41/14
    • PROBLEM TO BE SOLVED: To provide an emergency lamp which is reduced in size, without making its circuit configuration complicated by using a DC relay. SOLUTION: When a commercial AC power supply (e) is not interrupted, a battery B is charged with a constant voltage by rectifying and filtering the AC power of the power supply (e) by means of the rectifier and filter circuit 4 of a constant-voltage circuit 2. Transistors Q4 and Q5 of an inverter circuit 5 are prevented from working, by turning off a transistor Q7 through the means of a Zener diode ZD2 and a diode D2. An exciting current flows to a relay coil RyL1 of a DC relay Ry and relay contacts RyS1, RyS2, RyS3, and RyS4 of the relay Ry are connected to an inverter circuit 1 connected to the power supply (e) and a fluorescent lamp FL. When the power supply (e) is interrupted, exciting current does not flow into the coil RyL1 and the contacts RyS1, RyS2, RyS3, and RyS4 are connected to the inverter circuit 5 and the lamp FL. The DC power of the battery B is supplied to the inverter circuit 5 and the transistors Q4 and Q5 are turned on and off alternately. As a result, the inverter circuit 5 turns on the lamp FL at a high frequency.
    • 39. 发明专利
    • LIGHTING APPARATUS
    • JPH10262346A
    • 1998-09-29
    • JP6289097
    • 1997-03-17
    • TOTO LTD
    • YANO ICHIROMUTO TAKESHIOTSUKA JUNICHIRO
    • F21S9/02F21S9/04H02J9/02H02J9/08
    • PROBLEM TO BE SOLVED: To provide a lighting apparatus capable of maintaining the on-state of a light, even at the time of power failure. SOLUTION: By closing a switch 11, a driving unit 25 of a relay 13 is excited and the connection of a first relay contact 21 is switched over onto the side of a commercial power source 33, and the second relay contact 23 closes and a lighting lamp 15 is turned on, and charging of a capacitor 31 is performed through a transformer 27 and a diode bridge circuit 29. If the power of the commercial power source 33 fails, the driving element 25 is demagnetized. The connection of the first relay contact 21 is switched over onto the side of a lamp 19, and the second relay contact 23 opens at the same time, and the lamp 15 is turned off. Between the emergency lamp 19 and the capacitor 31 to be charged while power is fed from the commercial power source 33, a closed loop is formed again through the first relay contact 21. The lamp 19 is turned on for a specified time by the discharge current from the capacitor 31.