CN2659003Y - 三电源充电器 - Google Patents

三电源充电器 Download PDF

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Publication number
CN2659003Y
CN2659003Y CNU032796420U CN03279642U CN2659003Y CN 2659003 Y CN2659003 Y CN 2659003Y CN U032796420 U CNU032796420 U CN U032796420U CN 03279642 U CN03279642 U CN 03279642U CN 2659003 Y CN2659003 Y CN 2659003Y
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Prior art keywords
power supply
supply terminal
output
transducer
input
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陈家祥
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陈家祥
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/022Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/22Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20Charging or discharging characterised by the power electronics converter

Abstract

本实用新型公开了一种三电源充电器,该充电器具有三个输入电源端子,其一是交流电源端子,其二是直流电源端子,其三是以电池为充电电源的电池电源端子;所述的三个电源端子均设在壳体上,并与该壳体内的充电电路的对应端连接。本实用新型的优点是具备三个充电输入电源端子,可以在具备其中之一的场合就可以完成充电,尤其是所配备的电池电源端子,可以使用户不具备交流电源和汽车电源的情况下,采用随身携带的层叠电池进行充电,以解燃眉之急,大大方便了用户。

Description

三电源充电器
技术领域
本实用新型涉及一种电池充电器,具体是一种三电源充电器,主要用于对移动电话电池及其他可充电电池的充电。
背景技术
目前的许多电器都配有可充电电池,尤其是广泛应用的移动电话,其电源基本都是可充电电池。厂商一般配备有充电器,所配的充电器的输入电源一般都是单电源,如以AC220V的交流电或汽车上的直流电源,其缺点是在不具备相应的电源时就不能充电,给用户造成很大的不便。即使是充电器具有上述的两种电源输入端子,使用者在不具备这两种电源时也无法给电池充电。
发明内容
本实用新型的目的就是提供一种三电源充电器,以解决现有的电池充电器充电电源单一给用户造成的不便。
本实用新型的技术方案是:本实用新型的优点是具备三个充电输入电源端子,可以在具备其中之一的场合就可以完成充电,尤其是所配备的电池电源端子,可以使用户不具备交流电源和汽车电源的情况下,采用随身携带的层叠电池进行充电,以解燃眉之急,大大方便了用户。
附图说明
图1是本实用新型的总体结构主视图;图2是图1的俯视图;图3是图1的仰视图;图4是图1中的电池充电接口盖和插头盖打开后的总体结构主视图;图5是图4的俯视图;图6是图4的仰视图。
图7是本实用新型的立体结构示意图;图8是电池充电接口盖立体结构示意图,其中a图是外侧,b图是内侧;图9是插头盖连杆的立体结构示意图;图10是插头盖的结构示意图,其中b图是a图的背面,c图是a图的A-A剖视图;图11是本实用新型的充电电路的框图;图12是本实用新型的电路原理图的一个实施例。
具体实施方式
参见图1~图10,本实用新型具有三个输入电源端子,它们均设在壳体4上,并与该壳体内的充电电路的对应端连接。这三个输入电源端子其一是可以与AC220V(或110V)市电连接的交流电源端子,其最常用的实施例是两片式电源插头1,以便与普通的电源插座连接。其二是直流电源端子,常用的实施例是与汽车点火器插座配合的电连接插头2,在该插头的两侧和顶端均设有弹性电极25。还可在接插头2外套有插头盖21,该插头盖21的边缘设有卡轴26与一连杆22一端的豁口23铰连在一起,这种结构便于两者连接和脱离。连杆22的另一端的两侧各有一个凸轴24滑动连接在壳体4的轴向的滑槽41内。插头盖21可防止灰尘从插头2的电极间隙进入壳体内。连杆22的设计可防止插头盖21丢失。第三个输入电源端子是以电池为充电电源的电池电源端子,常用的实施例是与层叠电池配套的连接接口3,在该接口上有电池正负极卡扣31,还可在所述的连接接口3外卡接一接口盖5,在其一端设有卡头51,在另一端设有卡勾52,用来在插入壳体4时与壳体对应的卡槽(未图示)相卡接。
参见图11,本实用新型的充电电路包括AC/DC转换器6、DC/DC转换器7和充电状态显示电路8,AC/DC转换器6的输入端与所述的交流电源端子1连接,其输出端与DC/DC转换器7的输入端连接,DC/DC转换器7的输入端还与所述的直流电源端子2和电池电源端子3连接,DC/DC转换器7的输出端与充电状态显示电路8的输入端连接。
图12示出了本实用新型的一个实施例的电路原理图。在该电路中,所述的AC/DC转换器6包括全桥整流元件Q、振荡器61、降压变压器T和输出整流二极管D3,整流元件Q的输入端与所述的交流电源端子1连接,该整流元件Q的输出端与振荡器61的输入端连接,振荡器61的输出端与降压变压器T的初级连接,其次级串联输出整流二极管D3后与所述的DC/DC转换器7的输入端连接。振荡器61是以两个三极管V2、V3以及变压器T初级的两组线圈为主组成的普通振荡器。交流电源从交流电源端子1连接到该电路的整流元件Q的输入端,并经过电容CX和CY滤除干扰杂波,经Q整流后输送到振荡器61的输入端,并产生一个稳定的交流电压,由变压器T传输到其次级,并经二极管D3整流后送到DC/DC转换器7的输入端。
所述的DC/DC转换器7是主要由集成电路IC、电感L、二极管D1、滤波电容E1、E2以及输出电阻R9组成的充电器电路,IC的6脚与所述的直流电源端子2连接,IC的2脚与L的一端及D1的负极连接,D1的正极接地,L的另一端串联输出电阻R9后作为充电输出端OUT,该输出端与地之间以及6脚与地之间分别连接E1和E2。该电路将其输入端连接的不同电压值的直流电源转换为约5V的直流输出电压作为充电输出电压。
所述的充电状态显示电路包括三极管V1、双LED、二极管D2以及限流电阻R4,V1的基极与所述的充电输出端连接,射极与R9的另一端连接,集电极与双LED的一个正极连接,双LED的另一个正极与D2的负极连接,D2的正极与V1的射极连接,双LED的负极串联R4后与地连接。该电路的作用是用来指示本实用新型是否处于充电状态,即其充电输出端是否还有电流输出。其工作原理简述如下:当充电器处于充电状态时,电阻R9中有电流流过,在R9上产生一个电位差,使三极管V1导通,DC/DC转换器7的输出电压加在双LED的上面的一个LED上,使其点亮;而在被充电电池的电压已经饱和或没有连接被充电电池时,R9中没有电流流过,V1截止,DC/DC转换器7的输出电压经二极管D2加在双LED的下面的一个LED上使其点亮。

Claims (10)

1.一种三电源充电器,其特征在于:该充电器具有三个输入电源端子,其一是交流电源端子,其二是直流电源端子,其三是以电池为充电电源的电池电源端子;所述的三个电源端子均设在壳体上,并与该壳体内的充电电路的对应端连接。
2.根据权利要求1所述的三电源充电器,其特征在于:所述的交流电源端子是与所述的壳体连接的两片式电源插头。
3.根据权利要求1所述的三电源充电器,其特征在于:所述的直流电源端子为与汽车点火器插座配合的电连接插头。
4.根据权利要求3所述的三电源充电器,其特征在于:在所述的电连接插头外套有插头盖,该插头盖的边缘与一连杆的一端铰连,该连杆的另一端滑动连接在壳体的沿其轴向的滑槽内。
5.根据权利要求1所述的三电源充电器,其特征在于:所述的电池电源端子为与层叠电池配套的连接接口。
6.根据权利要求5所述的,其特征在于:在所述的连接接口外卡接一接口盖。
7.根据权利要求1所述的三电源充电器,其特征在于:所述的充电电路包括AC/DC转换器、DC/DC转换器和充电状态显示电路,AC/DC转换器的输入端与所述的交流电源端子连接,其输出端与DC/DC转换器的输入端连接,DC/DC转换器的输入端还与所述的直流电源端子和电池电源端子连接,DC/DC转换器的输出端与充电状态显示电路的输入端连接。
8.根据权利要求7所述的三电源充电器,其特征在于:所述的AC/DC转换器包括整流元件、振荡器、降压变压器和输出整流二极管,整流元件的输入端与所述的交流电源端子连接,该整流元件的输出端与振荡器的输入端连接,振荡器的输出端与降压变压器的初级连接,其次级串联输出整流二极管后与所述的DC/DC转换器的输入端连接。
9.根据权利要求7所述的三电源充电器,其特征在于:所述的DC/DC转换器包括集成电路IC、电感L、二极管D1的、滤波电容E1、E2输出电阻R9,IC的6脚与所述的直流电源端子连接,IC的2脚与L的一端及D1的负极连接,D1的正极接地,L的另一端串联输出电阻R9后作为充电输出端,该输出端与地之间以及6脚与地之间分别连接E1和E2。
10.根据权利要求7所述的三电源充电器,其特征在于:所述的充电状态显示电路包括三极管V1、双LED、二极管D2以及限流电阻R4,V1的基极与所述的充电输出端连接,射极与R9的另一端连接,集电极与双LED的一个正极连接,双LED的另一个正极与D2的负极连接,D2的正极与V1的射极连接,双LED的负极串联R4后与地连接。
CNU032796420U 2003-09-15 2003-09-15 三电源充电器 Expired - Fee Related CN2659003Y (zh)

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CNU032796420U CN2659003Y (zh) 2003-09-15 2003-09-15 三电源充电器
US10/796,524 US20050057218A1 (en) 2003-09-15 2004-03-08 Charger
DE202004014356U DE202004014356U1 (de) 2003-09-15 2004-09-13 Ladegerät
JP2004005496U JP3107729U (ja) 2003-09-15 2004-09-14 充電装置

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US20070093279A1 (en) * 2005-10-12 2007-04-26 Craig Janik Wireless headset system for the automobile
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JP3107729U (ja) 2005-02-03
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