CN2376121Y - 适用于广电压变动范围温控开关控制保持型充电电路 - Google Patents

适用于广电压变动范围温控开关控制保持型充电电路 Download PDF

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CN2376121Y
CN2376121Y CN98248218U CN98248218U CN2376121Y CN 2376121 Y CN2376121 Y CN 2376121Y CN 98248218 U CN98248218 U CN 98248218U CN 98248218 U CN98248218 U CN 98248218U CN 2376121 Y CN2376121 Y CN 2376121Y
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杨泰和
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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
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H02J7/0069Charging or discharging for charge maintenance, battery initiation or rejuvenation
    • 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
    • H02J7/007Regulation of charging or discharging current or voltage
    • H02J7/007188Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/007194Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • 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
    • H02J2207/40Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种适用于广电压变动范围温控开关操控自动截止及暂态保持型充电电路,它由交流变压器输出接交流限制阻抗,再输入桥式整流交流端串接直流限流阻抗,直流限流阻抗输出通过稳压元件接充电蓄电池,在蓄电池与充电电源之间设有限流电阻和发光二极管组成的显示保护电路,在充电蓄电池并接有过电压及涌浪电压保护元件,充电蓄电池接可控硅SCR接电源构成。在充电蓄电池中接温控开关电路可接可控硅SCR。本实用新型利用可充电蓄电池所匹配温控开关装置操控运作,结构简单,成本较低,工作可靠性较高。

Description

适用于广电压变动范围温控开关控制保持型充电电路
本实用新型涉及一种适用于广电压变动范围的温控开关操控自动截止及暂态保持型充电电路。
如所周知,传统自动截止及暂态保持型充电电路利用电子元件群构成的电压或电流检知装置,以对设有温控开关的可充电蓄电池进行充电,并在可充电蓄电池饱和而温度升高时,籍由温控开关的感测,使充电器转为对蓄电池输入较小的电流作保持性充电,但是传统自动截止及暂态保持型充电电路零件繁多、构造复杂,成本增加及可信度降低。
本实用新型的主要目的在于提供一种适用于广电压变动范围的温控开关操控自动截止及暂态保持型充电电路,其利用可充电蓄电池所匹配温控开关装置操控运作,结构简单,成本较低,工作可靠性较高。
本实用新型的目的是这样实现的:一种适用于广电压变动范围温控开关操控自动截止及暂态保持型充电电路,它由交流变压器输出接交流限制阻抗,再输入桥式整流交流端(或在桥式整流装置的直流输出侧)串接直流限流阻抗,直流限流阻抗输出通过稳压元件接充电蓄电池,在蓄电池与充电电源之间可选择性设有限流电阻和发光二极管组成的显示保护电路,在充电蓄电池并接有过电压及涌浪电压保护元件,充电蓄电池接可控硅SCR接电源构成,其中在充电蓄电池中接温控开关电路可接可控硅SCR。
所述的温控开关电路出温度传感开关电路组成,其中常温的闭合型热动开关元件S1接在SCR的阳极与蓄电池的负端之间或由常温闭合型热动开关元件S2接在SCR的闸板与触发电源之间,或由常温闭合型热动开关元件S3接在SCR的阴极与电极负端;由常温开路型热动开关元件S4接在SCR的闸极与阴极之间,即其中S1、S2、S3为热切断元件,S4为过热闭合元件。
所述的由温控开关电路中可控硅构成的操控电路接由分压电阻稳压二极管(或含串联发光二极管)串联构成限压分流电路。
所述的温度开关电路并接旁路分流电阻,并与接在可控硅SRC的阴极及闸板之间的二极管CR101构成放电电路。
所述的温控开关电路并接回流二极管。
所述的充电蓄电池正端与民源负端可并接安定电容。
综合上述,本实用新型为揭示一种适用于广电压变动范围的温控开关操控自动截止及暂态保持型充电电路,即以可充电蓄电池所配置的温控开关装置对蓄电瓶充电饱和与温升状态的感测为运作条件而构成的自动截止充电电路,以在电池充电饱和时能自动换为补充充电状态而能限制电源电压变动对电容端压的干扰,而流经分压电组R102的电流及流经分流稳压二极管ZD101(及选择性串设的发电二极管LED102)的电流作为对蓄电池的补充充电为特征,以及进一步具有回流二极管以构成紧急自动供电电路功能为特征者,结构简单且具实用价值。
以下配合附图详细说明本实用新型的特征及优点:
图1所示本实用新型结合于可充电电池及所配置温控开关构成自动截止充电电路示意图。
图2所示本实用新型电路加设回流二极管以具有紧急自动供电功能电路示意图。
参见图1,为本实用新型适用于广电压变动范围的温控开关操控自动截止及暂态保持型充电电路结合于可充电电池及所配置温控开关装置构成自动截止充电电路一实施例,其充电电源可为含纯直流、半波直流、全波直流、间歇脉动直流及有涟波直流电源;充电电源可为稳压电源或设定电压变化范围内的可变动电压电源;此项广电压变动范围的温控开关操控自动截止及暂态保持型兖电电路为由下列部分或全部电路元件所构成;其主要构成含:
交流变压器T100:为一次侧供输入交流电能,二次侧供输出交流电能者,交流变压器可依电路需要而选择性使用或舍弃不用面直接输入交流电流;
交流限流阻抗Z100:为供防止负载侧短路的电容性或电感性或电阻性的阻抗元件或由前者两种或两种以上阻抗构合的混合型交流限流阻抗装置,供串联于交流电源与整流器BR100之间;
直流限流阻抗装置Z100’:为依需要作选择的元件,当电源为直流电源或电流为由交流整流的直流电源而未在交流侧串联交流限流阻抗Z100时,则可选择设置由电阻或主动晶体及驱动电路所构成的直流限流阻抗装置串联于直流电源与负载侧之间;
稳压元件VZ100:为依需要作选择的元件由稳压二极管或由二极管组的顺向偏压所构成,以提供稳压功能;
可充电蓄电池B101:与所匹配的温控开关装置TS101串联后再与晶闸管SCR101呈顺向串联;
显示及保护电路:蓄电池B101与充电电源间可依需要而选择性设置限流电组R101与发光二极管LED101并联构成显示功能再串联过载保护元件F101,进而与可充电蓄电池B101及晶闸管SCR101阳极A与阴极K顺向串联后通往充电电源;前述限流电组R101及发光二极管LED101及过载保护元件F101亦可由灯丝型灯泡L101所取代;
过电压及涌浪电压保护元件SP101:为可依需要而选择设置与否的辅助元件,含由固态过电压或涌浪保护元件所构成并依需要选择设置并联于电源端,或串联于电路保护元件的输出侧与电源另一极之间,或供并联于可充电蓄电池两端;
分压电组R102与触发电容C101相串联,分压电阻R102接脚的一端联结于可充电蓄电池B101的一负极,触发电容C101接脚另一端则通往晶闸管SCR101的触发闸极G;晶闸管SCR101的阳极通往蓄电池的负极;晶闸管的闸极G与阴极K之间可依需要选择性增设并联分流电组R100以调节闸流的安定性及触发灵敏度;
温控开关装置TS101:含由机电式热动开关所构成或由固态温度检测元件及所配合操控的开关电路所构成,固态温度检测元件含:正温度系数(PTC)或负温度系数(NTC)元件或热电偶所构成,前述机电式热动开关元件或固态温度检测元件所操控的开关电路为供设置于:
1. S1:SCR101的阳极A与可充电蓄电池B101负端之间
2. S2:SCR101的闸极G与触发电源之间
3. S3:SCR101的阴极K接脚
4. S4:SCR101之闸极G与阴极K之间,以在可充电蓄电池到达设定温度时,操控截止,其中设置于S1、S2、S3为过热时切断的开关功能,设置于S4为过热闭合的开关功能;
显示用发光二极管LED102及与LED102串联的稳压二极管ZD101为供构成限压及分流功能,为呈并联跨接于分压电组R102与电容C101的连接点以及充电电源负极之间以产生限压及傍路分流功能,而其限压功能为能仰制电源电压变动时对电容端压的干扰,而流经ZD101(或进一步流经选择性设置与ZD101串联的发光二极管LED102)的电流亦供作为于晶闸管SCR101关闭后对蓄电池B101作补充充电;
傍路分流电组R103:为供于关机或取下可充电电池时作为电容C101的放电电阻,若电瓶组所需补充充电电流较大时,则可在X点与电源负端选择性加设并联分流电阻以相对增加保持充电电流值;
放电二极管CR101:为并联于晶闸管SCR101的阴极K及闸极G间,其极性为于蓄电池B101取下时能使电容C101经傍路分流电组R103及上述二极管CR101构成效电电路。
图1所述电路的动作过程如下:
于开始对电瓶充电时,经由R102对电容C101的瞬间充电电流触发导通晶闸管SCR101的闸极G,进而触发SCR101使电路以正常充电电流值对电池B101充电,当电池B101接近饱和而温度升高时,与其匹配的温控开关装置TS101动作,使晶闸管SCR101导流中断,而充电电流经傍路分流电组R103、流经分压电阻R102,同时流经具有分流功能的发光二极管LED102、流经稳压二极管ZD101(及所选择性串设发光二极管LED102)的合成端压相同,而不受电源电压变动的影响;
当温控开关装置TS101复归时,无论在保持性充电其间或复归其间,若电源电压在设定范围内变动,则电容C101的电位不变,因此无电流流经晶闸管SCR101触发闸极G,故晶闸管SCR101继续维持断路状态;当充电完成取下电池B101时,则触发电容C101所蓄电能经傍路分流电阻R10S及放电二极管CR101放电,使电路恢复而呈特触发的预备状态;
此外,前述实施例可进一步加设回流二极管FD201,供于电源中断时,使可充电蓄电池能经回流二极管对原直流电源正负输出端所驱动的负载供电。
图2为图1所示电路加设回流二极管FD201以具有紧急自动供电功能电路例,其主要构成包括:
回流二极管FD201:为呈逆向并联于可充电蓄电池B101负端与直流电源负端之间;
负载:为并联于可充电蓄电池B101正端与电源负端,正常时由电源电能驱动负载,电流中断时改由回流二极管FD201构成回路;
安定电容C101:为与负载并联以安定切换过程,可视需要选择其电容值或省略不用;
图1、图2所述实施例中,在不变电路原理下可作下列应用选择:
依需要安排电路中各元件的极性及串联关系以匹配电源与电路的极性关系;
依需要选择可充电蓄电池S101的负极为连结于电源负极而由晶闸管SCR101的阳极A通往电源正端;或由晶闸管SCR101的阴极K连结于电源负极而由可充电蓄电池B101的正极通往电源正端;
可依需要将充电电路元件(含温度检测装置TS101)制作组合于充电器,或将充电电路元件与可充电蓄电池制作组合成一体或其中部分电路元件设置于充电器,而其他部分设置于可充电蓄电池,而以导电连接装置或接点或插头插座互相连接。

Claims (6)

1、一种适用于广电压变动范围温控开关操控自动截止及暂态保持型充电电路,它由交流变压器输出接交流限制阻抗,再输入桥式整流交流端(或在桥式整流装置的直流输出侧)串接直流限流阻抗,直流限流阻抗输出通过稳压元件接充电蓄电池,在蓄电池与充电电源之间可选择性设有限流电阻和发光二极管组成的显示保护电路,在充电蓄电池并接有过电压及涌浪电压保护元件,充电蓄电池接可控硅SCR接电源构成,其特征在于:在充电蓄电池中接温控开关电路可接可控硅SCR。
2、根据权利要求1所述的适用于广电压变动范围温控开关操控自动截止及暂态保护型充电电路,其特征在于:所述的温控开关电路出温度传感开关电路组成,其中常温的闭合型热动开关元件S1接在SCR的阳极与蓄电池的负端之间或由常温闭合型热动开关元件S2接在SCR的闸板与触发电源之间,或由常温闭合型热动开关元件S3接在SCR的阴极与电极负端;由常温开路型热动开关元件S4接在SCR的闸极与阴极之间,即其中S1、S2、S3为热切断元件,S4为过热闭合元件。
3、根据权利要求1所述的适用于广电压变动范围温控开关操控自动截止及暂态保持型充电电路,其特征在于:所述的由温控开关电路中可控硅构成的操控电路接由分压电阻稳压二极管(或含串联发光二极管)串联构成限压分流电路。
4、根据权利要求1所述的适用于广电压变动范围温控开关操控自动截止及暂态保持型充电电路,其特征在于:所述的温度开关电路并接旁路分流电阻,并与接在可控硅SRC的阴极及闸板之间的二极管CR101构成放电电路。
5、根据权利要求1所述的适用于广电压变动范围温控开关操控自动截止及暂态保持型充电电路,其特征在于:所述的温控开关电路并接回流二极管。
6、根据权利要求1所述的适用于广电压变动范围温控开关操控自动截止及暂态保持型充电电路,其特征在于:所述的充电蓄电池正端与电源负端可并接安定电容。
CN98248218U 1998-09-04 1998-11-13 适用于广电压变动范围温控开关控制保持型充电电路 Expired - Fee Related CN2376121Y (zh)

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CN102387638A (zh) * 2011-09-14 2012-03-21 广州南科集成电子有限公司 带温控保护电路的led灯
CN102387638B (zh) * 2011-09-14 2014-03-12 广州南科集成电子有限公司 带温控保护电路的led灯

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CN1254216A (zh) 2000-05-24
US6081101A (en) 2000-06-27
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EP1067655A1 (en) 2001-01-10
CN1110119C (zh) 2003-05-28

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