LED RETROFIT LAMP HAVING ACTIVE OVER-CURRENT PROTECTION CIRCUIT
    11.
    发明授权
    LED RETROFIT LAMP HAVING ACTIVE OVER-CURRENT PROTECTION CIRCUIT 有权
    具有主动过电流保护电路的LED改装灯

    公开(公告)号:EP3039946B1

    公开(公告)日:2017-05-31

    申请号:EP14756047.8

    申请日:2014-08-27

    IPC分类号: H05B33/08

    摘要: The present invention relates to an LED retrofit lamp (1) for being connected to a high frequency electronic ballast (26), the high frequency electronic ballast (26) being adapted for providing a voltage and a current to the LED retrofit lamp (1). The LED retrofit lamp (1) comprises an LED unit (4), an adapting unit (30) for adapting the voltage and the current provided by the high frequency electronic ballast (26) to a voltage and a current for operating the LED unit (4), a detecting unit (40) for detecting an electrical value that depends on the current provided by the high frequency electronic ballast (26), and a ballast protection unit (60) for performing, in dependence of the detected electrical value, an operation for protecting the high frequency electronic ballast (26) from an overcurrent situation. This allows avoiding an unsafe situation, such as when the high frequency electronic ballast (26) is overheated.

    摘要翻译: 本发明涉及一种用于连接到高频电子镇流器(26)的LED改型灯(1),该高频电子镇流器(26)适于向LED改型灯(1)提供电压和电流, 。 该LED改型灯(1)包括LED单元(4),适配单元(30),用于将由高频电子镇流器(26)提供的电压和电流适配为用于操作LED单元的电压和电流 用于检测取决于由高频电子镇流器(26)提供的电流的电气值的检测单元(40)以及用于根据检测到的电气值执行以下操作的镇流器保护单元(60): 以保护高频电子镇流器(26)免受过电流的影响。 这允许避免不安全的情况,例如高频电子镇流器(26)过热时。

    TUBULAR DEVICE FOR FITTING TO A TUBULAR LIGHT FITTING

    公开(公告)号:EP3440894A1

    公开(公告)日:2019-02-13

    申请号:EP17714252.8

    申请日:2017-04-04

    IPC分类号: H05B33/08 F21K9/27

    摘要: The invention provides a solid state (e.g. LED) tubular lighting device having pin safety circuits connected to connecting pins at each end. A driver circuit is connected to the outputs of the pin safety circuits. The pin safety circuits each comprise a TRIAC switch which is adapted to form a closed switch in response to a voltage between the connecting pins. This provides a pin safety solution suitable at least for rapid start EM ballasts.

    FILAMENT CIRCUIT FOR LAMP POWERED VIA BALLAST
    13.
    发明公开
    FILAMENT CIRCUIT FOR LAMP POWERED VIA BALLAST 有权
    通过镇流器供电的灯丝电路

    公开(公告)号:EP3272190A1

    公开(公告)日:2018-01-24

    申请号:EP16708973.9

    申请日:2016-03-04

    IPC分类号: H05B33/08

    摘要: Filament circuits (1) for lamps (5) powered via ballasts (6) comprise first filament-inputs (11) coupled to first ballast-outputs, second filament-inputs (12) coupled to second ballast-outputs, first circuits (13) comprising resistive components, second circuits (14) comprising reactive components, direct-current paths between the first and second filament-inputs (11, 12) whereby series configurations of the first and second circuits (13, 14) comprise these direct-current paths, and filament-outputs (15) coupled to a driver-input of a driver (3) for driving a light source (4) of the lamp (5). These filament-outputs (15) may correspond with the first filament-inputs (11), or with the second filament-inputs (12). The resistive components may comprise first resistors (16). The reactive components may comprise first capacitors (17) with the second circuits (14) comprising parallel configurations of the first capacitors (17) and second resistors (18), or the reactive components may comprise inductors (20). The first circuits (13) may comprise parallel configurations of the first resistors (16) and second capacitors (19).

    LED REPLACEMENT LAMP FOR SAFE OPERATION UNDER FAULT CONDITION
    14.
    发明授权
    LED REPLACEMENT LAMP FOR SAFE OPERATION UNDER FAULT CONDITION 有权
    LED更换灯在故障状态下安全运行

    公开(公告)号:EP3028543B1

    公开(公告)日:2018-01-17

    申请号:EP14741900.6

    申请日:2014-07-23

    IPC分类号: H05B33/08

    摘要: An LED replacement lamp (20) is described. An LED lighting assembly (40) comprising LED lighting elements is electrically connected to filament emulation circuits, connected to electrical contacts at each of two opposite ends (22a, 22b) of an elongated member. The filament emulation circuits (42) each comprise a first resistor circuit (46) and a second resistor circuit (48) connected to first and second electrical contacts (26a, 24a). The first and second resistor circuits (46, 48) are connected to the LED lighting assembly (40) at a common terminal (50). In order to provide an LED replacement lamp for safe operation even in cases of component failure, and if the replacement lamp (20) is used in incorrect wiring configurations, the first and second resistor circuits (46, 48) each comprise a series connection of at least two resistors, in such a way that in case of failure of one of the resistors, the total resistance of the filament emulation circuits (42) remains above a determined resistance value.

    FILAMENT CIRCUIT FOR LAMP POWERED VIA BALLAST

    公开(公告)号:EP3272190B1

    公开(公告)日:2018-11-21

    申请号:EP16708973.9

    申请日:2016-03-04

    IPC分类号: H05B33/08

    摘要: Filament circuits (1) for lamps (5) powered via ballasts (6) comprise first filament-inputs (11) coupled to first ballast-outputs, second filament-inputs (12) coupled to second ballast-outputs, first circuits (13) comprising resistive components, second circuits (14) comprising reactive components, direct-current paths between the first and second filament-inputs (11, 12) whereby series configurations of the first and second circuits (13, 14) comprise these direct-current paths, and filament-outputs (15) coupled to a driver-input of a driver (3) for driving a light source (4) of the lamp (5). These filament-outputs (15) may correspond with the first filament-inputs (11), or with the second filament-inputs (12). The resistive components may comprise first resistors (16). The reactive components may comprise first capacitors (17) with the second circuits (14) comprising parallel configurations of the first capacitors (17) and second resistors (18), or the reactive components may comprise inductors (20). The first circuits (13) may comprise parallel configurations of the first resistors (16) and second capacitors (19).

    PROTECTION FOR RETROFIT LIGHT EMITTING DIODE TUBE
    20.
    发明公开
    PROTECTION FOR RETROFIT LIGHT EMITTING DIODE TUBE 审中-公开
    保护来改装的LED日光灯

    公开(公告)号:EP3072359A1

    公开(公告)日:2016-09-28

    申请号:EP14799386.9

    申请日:2014-11-12

    IPC分类号: H05B33/08

    摘要: Light sources (1) such as retrofit light emitting diode tubes comprise light circuits (11) with light emitting diodes (12) and feeding electrodes (13, 14), terminals (21-24) for exchanging signals with ballasts (2, 3) or supplies (4, 5), and filament circuits (31, 41) for coupling the terminals (21-24) and the feeding electrodes (13, 14). The filament circuits (31, 41) comprise switch circuits (32) and trigger circuits (33) for in response to presences of frequencies in the signals bringing the switch circuits (32) into conducting modes to introduce relatively low impedances in the filament circuits (31, 41). In non-conducting modes the switch circuits (32) introduce relatively large impedances. This way, in case the light source (1) is connected to a high-frequency ballast (2), the switch circuit (32) is triggered and the light source (1) is normally activated. In case the light source (1) is connected to mains (4) or an external direct-current driver (5) or an electro-magnetic ballast (3), the switch circuit (32) is not triggered, and the light source (1) is not activated and protected against damage.