CN2222989Y - 门灯自动延时器 - Google Patents

门灯自动延时器 Download PDF

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Publication number
CN2222989Y
CN2222989Y CN 93229715 CN93229715U CN2222989Y CN 2222989 Y CN2222989 Y CN 2222989Y CN 93229715 CN93229715 CN 93229715 CN 93229715 U CN93229715 U CN 93229715U CN 2222989 Y CN2222989 Y CN 2222989Y
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time delay
door lamp
model
amplifying circuit
utility
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Expired - Fee Related
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CN 93229715
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张跃
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Individual
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Abstract

本实用新型涉及一种自动控制门灯,按钮通过耦合电阻分别与延时电容及放大电路相连,放大电路负载接有双向可控硅,电源与可控硅之间接有隔离二极管,具有能够自动延时关闭门灯,无噪声,性能安全可靠,寿命长等特点。

Description

门灯自动延时器
本实用新型涉及一种自动控制门灯装置。
目前,办公楼、宾馆等公共场合的走廊灯及民宅的门灯开关,大都不具有自动延时关闭的功能,往往造成门灯的长明灯和电量的大量浪费,即便有自动关闭的门灯延时器,也由于其电路结构复杂,成本高而不能推广使用。
本实用新型目的是提供一种利用延时电路并通过可控硅控制门灯的门灯自动延时器。
本实用新型是由延时器壳体,延时电路组成,按钮通过耦合电阻与延时电容及放大电路相连,放大电路负载接有双向可控硅,电源与可控硅之间还接有隔离二极管。
本实用新型具有能够自动延时并关闭门灯,无噪声,性能安全可靠,寿命长等特点。
附图1为本实用新型电路原理图,
附图2为本实用新型延时器外形图,
下面结合附图对本实用新型作进一步描述,本实用新型的结构及工作原理是这样实现的,本实用新型的按钮1通过耦合电阻接有延时电容2及复合三极管放大电路3,复合三极管放大电路的集电极接有双向可控硅4,在电源与双向可控硅的一端之间接有隔离二极管5,当使用者需开启门灯时,按下按钮,这时电源经耦合电阻向延时电容充电,当电容两端电压升高后,经电阻使复合三极管导通,同时,电源经隔离二极管向双向可控硅提供触发电流,双向可控硅导通,门灯点亮工作,此时,松开按钮,电容开始经电阻,复合三极管放电,可控硅仍由电源经隔离二极管提供触发电流而继续导通,门灯维持工作,当电容两端电压低于不能维持复合三极管导通时,可控硅关断,门灯失去工作电压而熄灭。

Claims (1)

1.门灯自动延时器,是由延时器壳体,延时电路组成,其特征在于按钮1通过耦合电阻与延时电容2及放大电路3相连,放大电路负载接有双向可控硅4,电源与可控硅之间还接有隔离二极管5。
CN 93229715 1993-11-18 1993-11-18 门灯自动延时器 Expired - Fee Related CN2222989Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93229715 CN2222989Y (zh) 1993-11-18 1993-11-18 门灯自动延时器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93229715 CN2222989Y (zh) 1993-11-18 1993-11-18 门灯自动延时器

Publications (1)

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CN2222989Y true CN2222989Y (zh) 1996-03-20

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CN 93229715 Expired - Fee Related CN2222989Y (zh) 1993-11-18 1993-11-18 门灯自动延时器

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CN (1) CN2222989Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102752945A (zh) * 2012-06-15 2012-10-24 无锡市市北高级中学 一种应急照明装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102752945A (zh) * 2012-06-15 2012-10-24 无锡市市北高级中学 一种应急照明装置

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