CN105953107A - 具有运输模式的发光二极管应急灯及其操作方法 - Google Patents
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Abstract
本发明公开了一种具有运输模式的发光二极管应急灯及其操作方法。所述发光二极管应急灯包含一交流‑直流发光二极管驱动电路、一光源和一应急模块,其中所述应急模块包含一电池,所述交流‑直流发光二极管驱动电路连接于所述光源的一端,以及应急模块连接于所述光源的另一端。当所述应急模块产生一运输模式信号后,所述发光二极管应急灯进入一运输模式,以及所述应急模块中利用所述电池驱动所述光源发光的供电回路根据所述运输模式信号关闭。因此,当所述发光二极管应急灯进入所述运输模式后,所述发光二极管应急灯的耗电电流大幅降低,所以本发明大大延长了所述发光二极管应急灯在运输和仓储过程中的质保期。
Description
技术领域
本发明涉及一种具有运输模式的发光二极管应急灯及其操作方法,尤其涉及一种可使发光二极管应急灯在运输模式时的耗电大幅降低的发光二极管应急灯及其操作方法。
背景技术
在日常应用中,照明可以分为应急照明和正常照明。对于所述正常照明,目前的固体发光技术(发光二极管发光技术)已经大行其道,其中管式发光二极管灯就是当前固体发光技术的典型代表之一。对于所述应急照明,用于提供所述应急照明所需的储能装置已从铅蓄电池演变到锂蓄电池。照明设备主要由光源和驱动电路所组成。另外,如果所述照明设备具有所述应急照明的功能,则所述照明设备还需要储能设备(也就是蓄电池)。
现有技术所提供的应急灯仅在出现火灾等应急情况时开启。因为所述应急灯所提供的亮度较低(通常低于100流明(lm)),所以所述应急灯只能提供指引功能,不能提供正常照明的功能,导致所述应急灯无法很好地引导群众逃生。另外,在一照明设备中,对应所述正常照明的系统与对应所述应急照明的系统是两个互相独立的系统。因此,现有技术具有下述缺点:
第一、对应所述应急照明的系统所使用的电池因体积大容量小导致大多数对应所述应急照明的电池都是外置式(也就是对应所述应急照明的系统的应急灯不适合安装)。另外,即使所述电池是内置式电池也因为所述电池的待机电流大,所以所述电池易过放损坏以及存储时间短不适合运输仓储。
第二、所述应急照明的系统的体积较大,所以在一些大的商场或者天花板比较低的场所就不太有合适的地方安装所述应急照明的系统,且所述应急照明的系统还需要专门供电的布线。
第三、所述应急照明的系统的利用率低(只有市电停电时才开启),所以所述应急照明的系统会占用资金成本。
第四、因为较好的照明位置都被正常照明灯具所占据,所以所述应急照明的系统的照明效果较差(也就是所述应急照明的系统具有较差的光效)。
因此,现有技术所提供的所述应急照明的系统并非是一个具有良好效能的系统。
发明内容
本发明的目的在于提供一种具有运输模式的发光二极管应急灯及其操作方法,以解决现有技术的正常照明和应急照明独立双系统接线繁琐复杂、电池运输及仓储时间短的问题。
为了实现上述本发明的目的,本发明的一实施例公开一种具有运输模式的发光二极管应急灯。所述发光二极管应急灯包含一交流-直流发光二极管驱动电路、一光源和一应急模块,其中所述应急模块包含一电池,所述交流-直流发光二极管驱动电路连接于所述光源的一端,以及应急模块连接于所述光源的另一端。当所述应急模块产生一运输模式信号后,所述发光二极管应急灯进入一运输模式,以及所述应急模块中利用所述电池驱动所述光源发光的供电回路根据所述运输模式信号关闭。
为了实现上述本发明的目的,本发明的另一实施例公开一种具有运输模式的发光二极管应急灯的操作方法,其中所述发光二极管应急灯包含一交流-直流发光二极管驱动电路、一光源和一应急模块,以及所述应急模块包含一电池。所述操作方法包含利用一预定交流电压对所述应急模块通电至少一次并在每次通电后的一预定时间内断开所述预定交流电压;所述应急模块取样所述预定交流电压以产生一高电平电压信号;所述应急模块根据所述高电平电压信号,产生一运输模式信号;当所述应急模块产生所述运输模式信号后,所述发光二极管应急灯进入一运输模式,以及所述应急模块中利用所述电池驱动所述光源发光的供电回路根据所述运输模式信号关闭。
本发明公开一种具有运输模式的发光二极管应急灯及其操作方法。因为所述发光二极管应急灯同时具有正常(节能)照明功能(对应所述发光二极管应急灯的正常模式)与应急照明功能(对应所述发光二极管应急灯的应急模式),所以所述发光二极管应急灯可提高了所述发光二极管应急灯的使用率,并节省购买一应急灯系统的成本。因此,相较于现有技术,所述发光二极管应急灯在不易单独装配所述应急灯系统的场合具有巨大的优势,且可省去单独安装所述应急灯系统和布线的麻烦。另外,当所述发光二极管应急灯进入所述运输模式时,因为所述发光二极管应急灯及所述操作方法可使所述发光二极管应急灯在运送过程中的耗电电流仅为μA等级,所以本发明可确保发光二极管应急灯内的电池的电量不会在短时间内耗尽。
附图说明
图1 是本发明的第一实施例公开具有运输模式的发光二极管应急灯的外观的示意图。
图2为发光二极管应急灯的结构爆炸图。
图3是公开发光二极管应急灯连接市电的示意图。
图4是公开应急模块的示意图。
图5是说明所述电容于其充电过程中所形成的上升沿波形和运输模式信号之间的关系示意图。
其中,附图标记说明如下:
100 发光二极管应急灯
1 指示灯
2 灯罩
3 交流-直流发光二极管驱动电路
4 灯头
5 固定螺丝
6 铜针
7 铝罩散热器
8 光源
9 应急模块
10 电池
92 市电取样和交流-直流降压电路
94 直流-直流发光二极管驱动电路
96 电池管理电路
98 运输模式侦测电路
AC 市电
DC+ 供电电压
GND 地端
K 开关
L0、L1、N0、N1 输入端
L 中线
N 相线
PT 预定时间
REW 上升沿波形
TMS 运输模式信号
TS 测试开关
VAC 交流电压信号
VB 电压
VH 高电平电压信号。
具体实施方式
请参照图1、2,图1 是本发明的第一实施例公开具有运输模式的发光二极管(light emitting diode, LED)应急灯100的外观的示意图,以及图2为发光二极管应急灯100的结构爆炸图。如图2所示,发光二极管应急灯100包含两个指示灯1、一灯罩2、一交流-直流(AC-DC)发光二极管驱动电路3、两个灯头4、四个固定螺丝5、四个铜针6、一铝罩散热器7、一光源8和一应急模块9,其中光源8是设置于一印刷电路板之上,光源8可以是一发光二极管光源,电池10是一磷酸铁锂电池,以及应急模块9包含一电池10。因为电池10是磷酸铁锂电池,所以电池10可操作在-20℃~70℃之间。但本发明并不受限于电池10是磷酸铁锂电池,也就是说电池10也可是其他具有较高效能的锂电池。另外,本发明并不受限于发光二极管应急灯100仅包含两个指示灯1以及本发明也不受限于发光二极管应急灯100仅包含四个固定螺丝5和四个铜针6。
如图2所示,交流-直流发光二极管驱动电路3内置于铝罩散热器7内部,光源8固定于内置于铝罩散热器7表面,交流-直流发光二极管驱动电路3的输出端连接于光源8的一端,以及应急模块9的输出端连接于光源8的另一端。
如图2所示,指示灯1嵌入在灯罩2的指示灯孔内,灯罩2与铝罩散热器7扣合,灯头4与铜针6铆压固定,交流-直流发光二极管驱动电路3的输入端连接于铆压后的灯头4,以及铜针6通过固定螺丝5固定在铝罩散热器7的一端。另外,如图2所示,应急模块9的输入端连接于铆压后的灯头4,以及铜针6通过固定螺丝5固定在铝罩散热器7另一端。如图1所示,由发光二极管应急灯100的外观很明显地可知,交流-直流发光二极管驱动电路3、光源8、应急模块9和电池10是一起设置在灯罩2、灯头4和铝罩散热器7所包围的空间内。
请参照图3,图3是公开发光二极管应急灯100连接一市电AC的示意图。如图3所示,发光二极管应急灯100和市电AC必须另外连接一测试开关TS和一开关K,其中测试开关TS是用于当发光二极管应急灯100实际使用时测试发光二极管应急灯100的完整功能,以及开关K是应用于发光二极管应急灯100的正常模式。如图3所示,交流-直流发光二极管驱动电路3的输入端N0和应急模块9的输入端N1一起连接于市电AC的相线N,交流-直流发光二极管驱动电路3的输入端L0串联开关K的一端,开关K的另一端与应急模块9的输入端L1连接并与的测试开关TS串联,测试开关TS的另一端连接于市电AC的中线L。当发光二极管应急灯100进入所述正常模式或一应急模式时,测试开关TS是长闭合状态。因此,当开关K开启且市电AC正常供电(此时,发光二极管应急灯100进入所述正常模式)时,交流-直流发光二极管驱动电路3可根据市电AC驱动光源8发光。另外,市电AC正常供电时,市电AC可通过测试开关TS另向应急模块9的电池10供电,其中当应急模块9检测到市电VAC正常供电时保持静默(也就是当应急模块9检测到市电VAC正常供电时,发光二极管应急灯100不会进入所述应急模式,其中当发光二极管应急灯100进入所述应急模式时,市电AC是停止供电)。另外,当开关K关闭时,虽然市电AC仍正常供电,但此时交流-直流发光二极管驱动电路3无法根据市电AC驱动光源8发光。另外,交流-直流发光二极管驱动电路3是本技术领域的技术人员所通知的反激变换器(flyback converter)驱动电源,但交流-直流发光二极管驱动电路3也可是本技术领域的技术人员所通知的其他隔离型驱动电源。
图4是公开应急模块9的示意图,如图4所示,应急模块9另包含一市电取样和交流-直流降压电路92、一直流-直流发光二极管驱动电路94、一电池管理电路96和一运输模式侦测电路98。如图4所示,当市电AC供电给应急模块9时,市电AC所输出的交流电压信号VAC首先通过市电取样和交流-直流降压电路92进行降压,然后市电取样和交流-直流降压电路92提供一供电电压DC+给电池管理电路96和运输模式侦测电路98,其中如图4所示的符号GND是用于表示一地端。另外,市电取样和交流-直流降压电路92也同时取样市电AC所输出的交流电压信号VAC。另外,市电取样和交流-直流降压电路92、直流-直流发光二极管驱动电路94和电池管理电路96都是本技术领域的技术人员所通知的电路,在此不再另行赘述。
当发光二极管应急灯100生产完成后需要运输至一目的地时,发光二极管应急灯100需要进入一运输模式。发光二极管应急灯100进入所述运输模式的流程如下:步骤1:利用一预定交流电压(也可利用市电AC)对应急模块9通电1次并在一预定时间PT(例如3秒钟)内断开所述预定交流电压,此时市电取样和交流-直流降压电路92取样所述预定交流电压以产生一高电平电压信号VH;步骤2:高电平电压信号VH可对运输模式侦测电路98所包含的一电容(未公开于图4)充电,其中运输模式侦测电路98可根据所述电容于其充电过程中所形成的上升沿波形REW(如图5所示),产生并输出一运输模式信号TMS(如图5所示)至直流-直流发光二极管驱动电路94;步骤3:直流-直流发光二极管驱动电路94内的供电回路(未公开于图4)根据运输模式信号TMS被切断。因为直流-直流发光二极管驱动电路94内的供电回路被切断,所以直流-直流发光二极管驱动电路94在待机时的电流为μA等级。如此,当发光二极管应急灯100进入所述运输模式时,因为直流-直流发光二极管驱动电路94在待机时的电流为接近0μA,所以可确保电池10的电量不在短时间内耗尽。另外,本发明并不受限于运输模式侦测电路98根据所述电容于其充电过程中所形成的一个上升沿波形,输出运输模式信号TMS,也就是说只要运输模式侦测电路98根据所述电容于其充电过程中所形成的至少一个上升沿波形,产生并输出运输模式信号TMS都落入本发明的范围。另外,运输模式信号TMS另传送至指示灯1,以及指示灯1可根据运输模式信号TMS发光。
另外,如图4所示,电池管理电路96连接交流-直流降压电路92及电池10之间,用于根据供电电压DC+为电池10充电。另外,如图4所示,当发光二极管应急灯100进入所述应急模式时,因为市电AC停止供电,所以直流-直流发光二极管驱动电路94是根据电池10所提供的电压VB对LED驱动光源8发光。
综上所述,本发明公开一种具有运输模式的发光二极管应急灯及其操作方法。因为所述发光二极管应急灯同时具有正常(节能)照明功能(对应所述发光二极管应急灯的正常模式)与应急照明功能(对应所述发光二极管应急灯的应急模式),所以所述发光二极管应急灯可提高了所述发光二极管应急灯的使用率,并节省购买一应急灯系统的成本。因此,相较于现有技术,所述发光二极管应急灯在不易单独装配所述应急灯系统的场合具有巨大的优势,且可省去单独安装所述应急灯系统和布线的麻烦。另外,当所述发光二极管应急灯进入所述运输模式时,因为所述发光二极管应急灯及所述操作方法可使所述发光二极管应急灯在运送过程中的耗电电流仅为μA等级,所以本发明可确保发光二极管应急灯内的电池的电量不会在短时间内耗尽。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (9)
1.一种具有运输模式的发光二极管应急灯,其特征在于,包含:
一交流-直流发光二极管驱动电路;
一光源;及
一应急模块,其中所述交流-直流发光二极管驱动电路连接于所述光源的一端,以及应急模块连接于所述光源的另一端,其中所述应急模块包含:
一电池;
其中当所述应急模块产生一运输模式信号后,所述发光二极管应急灯进入一运输模式,以及所述应急模块中利用所述电池驱动所述光源发光的供电回路根据所述运输模式信号关闭。
2.如权利要求1所述的发光二极管应急灯,其特征在于,发光二极管应急灯另包含:
多个指示灯;
一灯罩;
两个灯头;
多个铜针;
多个固定螺丝;及
一铝罩散热器;
其中所述交流-直流发光二极管驱动电路置于所述铝罩散热器之内,所述光源固定于所述铝罩散热器的表面,所述多个指示灯嵌入所述灯罩的指示灯孔内,所述灯罩与所述铝罩散热器扣合,所述两个灯头与所述多个铜针铆压固定,所述交流-直流发光二极管驱动电路和所述应急模块连接于所述两个灯头和所述多个铜针并通过所述多个固定螺丝固定在所述铝罩散热器;
其中所述交流-直流发光二极管驱动电路、所述光源、所述应急模块和所述电池是设置在所述灯罩、所述两个灯头和所述铝罩散热器所包围的空间内。
3.如权利要求1所述的发光二极管应急灯,其特征在于:所述电池是一磷酸铁锂电池。
4.如权利要求1所述的发光二极管应急灯,其特征在于:所述交流-直流发光二极管驱动电路是用于在所述发光二极管应急灯的正常模式时根据一市电驱动所述光源发光,以及所述应急模块是用于在所述发光二极管应急灯的应急模式时利用所述电池驱动所述光源发光,其中当所述发光二极管应急灯进入所述应急模式时,所述市电停止供电。
5.如权利要求1所述的发光二极管应急灯,其特征在于:所述多个指示灯根据所述运输模式信号发光。
6.如权利要求1所述的发光二极管应急灯,其特征在于,所述应急模块根据其所包含的电容于一充电过程中所形成的至少一个上升沿波形,产生并输出所述运输模式信号。
7.一种具有运输模式的发光二极管应急灯的操作方法,其中所述发光二极管应急灯包含一交流-直流发光二极管驱动电路、一光源和一应急模块,以及所述应急模块包含一电池,其特征在于包含:
利用一预定交流电压对所述应急模块通电至少一次并在每次通电后的一预定时间内断开所述预定交流电压;
所述应急模块取样所述预定交流电压以产生一高电平电压信号;
所述应急模块根据所述高电平电压信号,产生一运输模式信号;及
当所述应急模块产生所述运输模式信号后,所述发光二极管应急灯进入一运输模式,以及所述应急模块中利用所述电池驱动所述光源发光的供电回路根据所述运输模式信号关闭。
8.如权利要求7所述的操作方法,其特征在于,另包含:
所述交流-直流发光二极管驱动电路在所述发光二极管应急灯的正常模式时根据一市电驱动所述光源发光;及
所述应急模块在所述发光二极管应急灯的应急模式时利用所述电池驱动所述光源发光,其中当所述发光二极管应急灯进入所述应急模式时,所述市电停止供电。
9.如权利要求7所述的操作方法,其特征在于,所述应急模块根据所述高电平电压信号,产生所述运输模式信号包含:
所述高电平电压信号对所述应急模块所包含的电容充电;及
所述应急模块根据所述电容于一充电过程中所形成的至少一个上升沿波形,产生并输出所述运输模式信号。
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- 2016-11-17 US US15/353,746 patent/US10381866B2/en active Active
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2017
- 2017-01-11 DE DE202017100092.3U patent/DE202017100092U1/de active Active
- 2017-01-12 JP JP2017003144A patent/JP6279775B2/ja active Active
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JP2018014311A (ja) | 2018-01-25 |
EP3273146A1 (en) | 2018-01-24 |
US20180026476A1 (en) | 2018-01-25 |
DE202017100092U1 (de) | 2017-02-03 |
US10381866B2 (en) | 2019-08-13 |
JP6279775B2 (ja) | 2018-02-14 |
CN105953107B (zh) | 2019-07-09 |
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