CN2368209Y - 日光灯应急电源 - Google Patents

日光灯应急电源 Download PDF

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CN2368209Y
CN2368209Y CN99235283U CN99235283U CN2368209Y CN 2368209 Y CN2368209 Y CN 2368209Y CN 99235283 U CN99235283 U CN 99235283U CN 99235283 U CN99235283 U CN 99235283U CN 2368209 Y CN2368209 Y CN 2368209Y
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capacitor
coil
relay
triode
connects
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罗忠益
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Abstract

本实用新型的日光灯应急电源,提供一种电路简单,仅用2节或3节1.2V充电电池,可驱动18W至40W日光灯,盒形外壳,体积小,易安装,耗电小,当交流市电停电时,可用它来点亮日光灯,恢复供电时自动转换给充电电池充电,启动快,无噪音。

Description

日光灯应急电源
本实用新型涉及一种日光灯备用电源，特别是日光灯停电应急电源。
现有日光灯应急电源采用5节以上1.2V充电电池，线路复杂，体积大，笨重，本实用新型在于提供一种电路结构简单，仅用2节或3节1.2V充电电池，可驱动功率18W至40W日光灯管的应急电源，盒形外壳，体积小，易安装，启动快，耗电小，当交流市电停电时，便可用它来点亮日光灯，恢复交流市电时，自动转换给充电电池充电。
本实用新型的技术解决方案是，一种日光灯应急电源，盒形外壳中装有机芯电路，机芯电路由两只交流电容C2、C3串联降压，经整流桥D整流，电容C1滤波为继电器K1、K2并联线圈和充电电池E提供直流电压，继电器K1，K2线圈并联后作限流电阻串接充电电池E，继电器K1一常闭动点输出端接日光灯管T一端两脚其中一脚，继电器K2一常闭静点输出端接充电电池E正极，另一常闭动点输出端接电阻R3和线圈L2与L3的连接点，电阻R3另一端连接三极管Q2基极和自耦变压器线圈L1，线圈L1另一端连接三极管Q1基极，自耦变压器线圈L2连接三极管Q1集电极，线圈L2另一端连接自耦变压器线圈L3，线圈L3另一端连接三极管Q2集电极，三极管Q1、Q2发射连接充电电池E负端，自耦变压器线圈L4两端并联电容C4后，一端连接电容C5、C6，电容C5另一脚连接日光灯管T另一端两脚其中一脚和二极管D2负极，电容C6另一脚连接继电器K1另一常闭静点输出端和二极管D1正极，二极管D1负极连接线圈L4与电容C4并联后的另一端和二极管D2正极。
本实用新型结合具体实施例进一步说明如下：
图1是日光灯应急电源电路原理图
日光灯应急电源是在长方形盒形外壳中装有机芯电路，机芯电路由两只6.8uF交流电容C2、C3串联降压，经1A 400V整流桥D整流，220uF 25V电解电容C1滤波，电容C1正极连接5VDC继电器K1、K2并联线圈一端，K1、K2并联线圈另一端连接2.4V充电电池E正极，充电电池E负极连接电容C1负端，继电器K1一常闭动点输出端接日光灯管T一端两脚其中一脚，继电器K2一常闭静点输出端接电池正极，另一常闭动点输出端接27欧姆电阻R3一端和线圈L2与L3的连接点，线圈L2.L3为0.04mH，电阻R3连接D44H8三极管Q2基极和自耦变压器线圈L1，线圈L1为0.04mH，线圈L1另一端连接D44H8三极管Q1基极，自耦变压器线圈L2连接三极管Q1集电极，线圈L2另一端连接自耦变压器线圈L3，线圈L3另一端连接D44H8三极管Q2集电极，三极管Q1、Q2发射连接电池负端，自耦变压器0.65H线圈L4两端并联750PF电容C4后，一端连接1500PF电容C5和2200PF电容C6，电容C5另一脚连接日光灯管T另一端两脚其中一脚和R2000F二极管D2负极，电容C6另一脚连接继电器K1另一常闭静点输出端和R2000F二极管D1正极，二极管D1负极连接线圈L4与电容C4并联后的另一端和二极管D2正极。

Claims (1)

  1. 一种日光灯应急电源，盒形外壳中装有机芯电路，其特征在于机芯电路由两只交流电容C2、C3串联降压，经整流桥D整流，电容C1滤波为继电器K1、K2并联线圈和充电电池E提供直流电压，继电器K1，K2线圈并联后作限流电阻串接充电电池E，继电器K1一常闭动点输出端接日光灯管T一端两脚其中一脚，充电电池E经继电器K2常闭输出端连接电阻R3和自耦变压器线圈L2与L3的连接点，电阻R3另一端连接三极管Q2基极和自耦变压器线圈L1，线圈L1另一端连接三极管Q1基极，自耦变压器线圈L2连接三极管Q1集电极，L2另一端连接自耦变压器线圈L3，L3另一端连接三极管Q2集电极，三极管Q1、Q2发射连接电池负端，自耦变压器线圈L4两端并联电容C4后，一端连接电容C5、C6，电容C5另一脚连接日光灯管T另一端两脚其中一脚和二极管D2负极，电容C6另一脚连接继电器K1另一常闭静点输出端和二极管D1正极，二极管D1负极连接线圈L4与电容C4并联后的另一端和二极管D2正极。
CN99235283U 1999-02-01 1999-02-01 日光灯应急电源 Expired - Fee Related CN2368209Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009027847A2 (en) * 2007-04-06 2009-03-05 Cindex Holdings Limited (A Hong Kong Corporation) System for rectifying and limiting current and reducing voltage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009027847A2 (en) * 2007-04-06 2009-03-05 Cindex Holdings Limited (A Hong Kong Corporation) System for rectifying and limiting current and reducing voltage
WO2009027847A3 (en) * 2007-04-06 2009-06-18 Cindex Holdings Ltd A Hong Kon System for rectifying and limiting current and reducing voltage
US7696700B2 (en) 2007-04-06 2010-04-13 Cindex Holdings Limited System for rectifying and limiting current and reducing voltage

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