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    • 1. 发明专利
    • 電源装置、照明器具及び照明器具調光システム
    • 用于照明设备的电源,照明设备和灯控制系统
    • JP2015053281A
    • 2015-03-19
    • JP2014228631
    • 2014-11-11
    • 東芝ライテック株式会社Toshiba Lighting & Technology Corp
    • OTAKE HIROKAZUHIRAMATSU TAKURONISHIIE MICHIHIKO
    • H05B37/02
    • 【課題】半導体発光素子に安定した点灯状態を得られる電源装置、照明器具及び照明器具調光システムを提供する。【解決手段】実施形態の電源装置は、一次巻線と、第1の二次巻線と、第2の二次巻線とを有するとともに、調光手段からの調光信号に応じて直流電力を出力する直流出力生成手段と、前記調光手段からの調光信号の出力後に、前記調光信号に応じて前記直流出力生成手段から出力される前記直流電力を制御して前記調光信号に従った半導体発光素子の点灯制御を開始する制御手段とを具備し、前記直流出力生成手段の第1の二次巻線は、前記半導体発光素子に前記直流電力を出力するとともに、前記直流出力生成手段の第2の二次巻線は、前記制御手段に前記直流電力を出力することを特徴とする。【選択図】図3
    • 要解决的问题:提供一种用于照明装置的电源,照明装置和照明控制系统,产生半导体发光元件的稳定点亮状态。电源包括:DC输出产生装置,包括: 初级线圈和第一和第二次级线圈,用于响应于来自光控制装置的光控制信号输出直流电力; 以及控制装置,用于在来自所述光控制装置的所述光控制信号的输出之后,根据所述光控制信号控制从所述DC输出产生装置输出的直流电力,并根据所述控制信号开始所述半导体发光元件的点亮控制 光控信号。 DC输出产生装置的第一次级线圈将DC电力输出到半导体发光元件。 此外,DC输出产生装置的第二次级线圈将DC电力输出到控制装置。
    • 3. 发明专利
    • 電源装置および照明装置
    • 电源装置和照明装置
    • JP2014203764A
    • 2014-10-27
    • JP2013080988
    • 2013-04-09
    • 東芝ライテック株式会社Toshiba Lighting & Technology Corp
    • TERASAKA HIROSHIOTAKE HIROKAZUMATSUMOTO SHINICHIROSATO KAZUHIKOKOZUKA HIDEOKONISHI TATSUYA
    • H05B37/02H01L33/00H02M3/28
    • 【課題】発光素子を安定に調光可能な電源装置および照明装置を提供することを目的とする。【解決手段】実施形態の電源装置は、入力した調光信号に応じて、発光素子に供給する出力電流を目標電流に制御する電流制御モードと前記発光素子に供給する出力電圧を目標電圧に制御する電圧制御モードとに切り替えるように前記発光素子を調光する制御回路と、前記出力電流および前記出力電圧を検出して、前記制御回路が前記電流制御モードと前記電圧制御モードとを切り替えるときの第1の電圧を設定する第1の回路と、所定信号を検出する信号検出回路を有し、前記信号検出回路が前記所定信号を検出すると前記第1の回路に前記第1の電圧を設定するように指示する第2の回路とを持つ。【選択図】図1
    • 要解决的问题:提供能够稳定地执行发光元件的点亮控制的电源装置和照明装置。解决方案:电源装置包括:控制电路,其执行发光元件的点亮控制 切换到用于控制向发光元件供给的输出电流为目标电流的电流控制模式,以及用于控制向发光元件供给目标电流的输出电压的电压控制模式 取决于输入的光控制信号; 第一电路,用于检测输出电流和输出电压,以设定当控制电路在电流控制模式和电压控制模式之间切换时使用的第一电压; 以及第二电路,具有用于检测预定信号的信号检测电路,并且当信号检测电路检测到预定信号时,指示第一电路设置第一电压。
    • 4. 发明专利
    • Lighting device
    • 照明设备
    • JP2014182964A
    • 2014-09-29
    • JP2013057374
    • 2013-03-19
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • KITAMURA NORIYUKIOTAKE HIROKAZUTAKAHASHI YUJIAKABOSHI HIROSHIABE ISAOASAMI KENICHIMATSUNAGA HIROYUKI
    • F21S2/00F21V23/00F21V29/00F21Y101/02H04N5/225
    • PROBLEM TO BE SOLVED: To provide a lighting device having high heat dissipation and low noise.SOLUTION: The lighting device includes a light source, a first chassis, an interface unit, a first heat dissipation material, a second chassis, a converter unit and a second heat dissipation material. The interface unit is set in the first chassis, a low-frequency first signal for controlling the light source is input to the unit and a low-frequency second signal based on the first signal is output therefrom. The first heat dissipation material comes in contact with the first chassis and the interface unit. The second chassis is separated from the first chassis. The converter unit is set in the second chassis, a signal based on the second signal is input thereto, electric current supplied to the light source is controlled in response to the signal based on the second signal, and the unit operates with frequency higher than the frequency of the first signal. The second heat dissipation material comes in contact with the second chassis and the converter unit and separates from the first heat dissipation material.
    • 要解决的问题:提供一种具有高散热和低噪音的照明装置。解决方案:照明装置包括光源,第一底盘,接口单元,第一散热材料,第二底盘,转换器单元和 第二散热材料。 接口单元设置在第一机架中,用于控制光源的低频第一信号被输入到单元,并且从其输出基于第一信号的低频第二信号。 第一散热材料与第一机箱和接口单元接触。 第二个机箱与第一个机箱分开。 转换器单元设置在第二机架中,基于第二信号的信号被输入到其中,响应于基于第二信号的信号来控制提供给光源的电流,并且单元以高于 第一个信号的频率。 第二散热材料与第二底盘和转换器单元接触并与第一散热材料分离。
    • 5. 发明专利
    • Rectifier circuit
    • 整流器电路
    • JP2014158356A
    • 2014-08-28
    • JP2013027715
    • 2013-02-15
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • OTAKE HIROKAZUKITAMURA NORIYUKITAKAHASHI YUJIAKABOSHI HIROSHI
    • H02M3/00H02M3/155H02M3/28
    • H02M7/06H01L27/0817H02M3/1588H02M3/335H05B33/08Y02B70/1466
    • PROBLEM TO BE SOLVED: To provide a rectifier circuit capable of high-speed operation.SOLUTION: A rectifier circuit includes a first diode, a switching element, and a second diode. The first diode is connected between a first terminal and a second terminal so that a direction from the second terminal to the first terminal is a forward direction. The switching element has a first main electrode connected to the first terminal, a second main electrode connected to a cathode of the first diode, and a gate electrode connected to an anode of the first diode. The second diode is connected between the first main electrode and the second main electrode of the switching element in parallel to the switching element so that a direction from the cathode of the first diode to the first terminal is a forward direction.
    • 要解决的问题:提供能够进行高速运行的整流电路。解决方案:整流电路包括第一二极管,开关元件和第二二极管。 第一二极管连接在第一端子和第二端子之间,使得从第二端子到第一端子的方向是向前方向。 开关元件具有连接到第一端子的第一主电极,连接到第一二极管的阴极的第二主电极和连接到第一二极管的阳极的栅电极。 第二二极管与开关元件平行地连接在开关元件的第一主电极和第二主电极之间,使得从第一二极管的阴极到第一端子的方向是向前方向。
    • 6. 发明专利
    • Power supply device and illuminating device
    • 电源装置和照明装置
    • JP2014158329A
    • 2014-08-28
    • JP2013026930
    • 2013-02-14
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • TERASAKA HIROSHIOSAKI HAJIMESUZUKI HIROSHIOTAKE HIROKAZUKITAMURA NORIYUKIKUDO HIROYUKIKONISHI TATSUYA
    • H02M3/155H01L33/00H05B37/02
    • PROBLEM TO BE SOLVED: To provide a DC power supply device in which malfunction due to variation and resetting of the voltage of a commercial power supply is prevented, and to provide an LED lighting device.SOLUTION: A DC voltage conversion circuit 21 converts an AC voltage from a commercial AC power supply (e) into a DC voltage. A constant current circuit 22 is supplied with power by the DC voltage conversion circuit 21, and outputs a constant current to an LED 14. Power supply detection means 23 detects any one of the voltage V1 of the commercial AC power supply (e) or an electrical quantity corresponding to the voltage V1. DC voltage detection means 24 detects any one of the output voltage from the DC voltage conversion circuit 21 or an electrical quantity corresponding to the voltage V2. Control means 25 reduces the output current from the constant current circuit 22, when the state where the detection value of the power supply detection means 23 is less than a predetermined value sustains less than a predetermined time, and the detection value of the DC voltage detection means 24 is less than a predetermined time.
    • 要解决的问题:提供一种直流电源装置,其中防止由商业电源的电压的变化和复位导致的故障,并提供LED照明装置。解决方案:直流电压转换电路21将AC 从商用交流电源(e)到直流电压的电压。 恒流电路22由直流电压转换电路21供电,向LED14输出恒定电流。电源检测单元23检测商用交流电源(e)的电压V1或 对应于电压V1的电量。 直流电压检测装置24检测来自直流电压转换电路21的输出电压中的任何一个或对应于电压V2的电量。 当电源检测装置23的检测值小于预定值的状态小于预定时间时,控制装置25减小来自恒流电路22的输出电流,并且直流电压检测的检测值 装置24小于预定时间。
    • 7. 发明专利
    • Power supply circuit and illumination device
    • 电源电路和照明装置
    • JP2014117050A
    • 2014-06-26
    • JP2012268839
    • 2012-12-07
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • KATO TAKESHIOTAKE HIROKAZUKITAMURA NORIYUKINAKAMURA HIROTO
    • H02M7/12H05B37/02
    • H05B37/02H02M7/06H05B33/0809H05B33/0818H05B33/0845
    • PROBLEM TO BE SOLVED: To provide a power supply circuit and an illumination device, capable of stably operating a control unit.SOLUTION: According to an embodiment, there is provided a power supply circuit comprising a power conversion unit, a control unit, and a power supply unit for control. The power conversion unit converts an AC voltage which is supplied via a power supply path and in which a conduction angle is controlled into a voltage corresponding to a load and supplies the converted voltage to the load. The control unit detects a conduction angle of the AC voltage and controls voltage conversion by the power conversion unit according to the detected conduction angle. The power supply unit is electrically connected to the power supply path, and converts the AC voltage into a driving voltage and supplies the driving voltage to the control unit.
    • 要解决的问题:提供能够稳定地操作控制单元的电源电路和照明装置。解决方案:根据实施例,提供一种电源电路,其包括电力转换单元,控制单元和 供电单元进行控制。 电力转换单元将通过电力供给路径供给的交流电压进行变换,并将导通角度控制为与负载对应的电压,并将转换后的电压提供给负载。 控制单元检测交流电压的导通角,并根据检测到的导通角度控制电力转换单元的电压转换。 电源单元电连接到电源路径,并将AC电压转换成驱动电压,并将驱动电压提供给控制单元。
    • 8. 发明专利
    • Power supply circuit and illumination device
    • 电源电路和照明装置
    • JP2014116163A
    • 2014-06-26
    • JP2012268838
    • 2012-12-07
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • KATO TAKESHIOTAKE HIROKAZUKITAMURA NORIYUKINAKAMURA HIROTO
    • H05B37/02G05F1/455H01L33/00
    • H05B33/0839H02M7/06H05B33/0809H05B33/0818H05B33/0845
    • PROBLEM TO BE SOLVED: To provide a power supply circuit and an illumination device, capable of more surely detecting a conduction angle.SOLUTION: According to an embodiment, there are provided a power supply circuit including a power conversion unit, a current adjustment unit, and a control unit, and an illumination device including this power supply circuit. The power conversion unit converts an AC voltage which is supplied via a power supply path and in which a conduction angle is controlled into a voltage corresponding to a load and supplies the converted voltage to the load. The current adjustment unit includes a branch path electrically connected to the power supply path, and can switch a conductive state in which a part of a current flowing in the power supply path is applied to the branch path to a non-conductive state in which a part of the current is not applied to the branch path or vice versa. The control unit detects a conduction angle of the AC voltage and controls voltage conversion by the power conversion unit and the current adjustment unit according to the detected conduction angle.
    • 要解决的问题:提供能够更可靠地检测导通角的电源电路和照明装置。解决方案:根据实施例,提供一种电源电路,其包括电力转换单元,电流调节单元, 以及控制单元,以及包括该电源电路的照明装置。 电力转换单元将通过电力供给路径供给的交流电压进行变换,并将导通角度控制为与负载对应的电压,并将转换后的电压提供给负载。 电流调节单元包括电连接到电源路径的分支路径,并且可以切换将在电源路径中流动的电流的一部分被施加到分支路径的导通状态,其中, 电流的一部分不适用于分支路径,反之亦然。 控制单元检测交流电压的导通角,并根据检测到的导通角度控制电力转换单元和电流调节单元的电压转换。
    • 9. 发明专利
    • Power supply device for illumination, illuminating device, dc power line carrier communication illumination system, and illumination control method
    • 用于照明的照明装置,照明装置,直流电力线载波通信照明系统和照明控制方法
    • JP2014041772A
    • 2014-03-06
    • JP2012183776
    • 2012-08-23
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • UDA KOJISUZUKI HIROSHIOTAKE HIROKAZUTSUJI TOSHIO
    • H05B37/02
    • PROBLEM TO BE SOLVED: To provide a power supply device for illumination, an illuminating device, a DC power line carrier communication illumination system, and an illumination control method capable of maintaining lighting of the illuminating device even when the power supply device for illumination of the illuminating device cannot receive a signal sent from a dimmer.SOLUTION: A power supply device for illumination according to an embodiment comprises: a conductor line connection terminal to which a DC power supply and a dimmer sending a control signal are connected, and that is connected to a conductor line to be medium for a DC power and the control signal; a light source connection terminal connected to a light source; a lighting circuit connected to the conductor line connection terminal and the light source connection terminal, and lighting and controlling the light source; and a control circuit having a signal reception part receiving the control signal sent from the dimmer via the conductor line, and a lighting controller controlling the lighting circuit depending on the control signal received by the signal reception part and controlling the lighting circuit so as to fully lighten the light source when no signal is input.
    • 要解决的问题:为了提供一种用于照明的电源装置,照明装置,DC电力线载体通信照明系统和能够保持照明装置的照明的照明控制方法,即使当照明的照明用电源装置 照明装置不能接收从调光器发送的信号。解决方案:根据实施例的用于照明的电源装置包括:直流电源和连接发送控制信号的调光器并连接的导线连接端子 到直流电力的介质线和控制信号; 连接到光源的光源连接端子; 连接到导线连接端子和光源连接端子的照明电路,以及照明和控制光源; 以及控制电路,其具有接收从调光器通过导体线发送的控制信号的信号接收部分,以及照明控制器,其根据由信号接收部分接收到的控制信号控制点亮电路,并控制照明电路以便完全 当没有信号输入时,减轻光源。
    • 10. 发明专利
    • Switching power supply device and lighting device
    • 切换电源设备和照明设备
    • JP2013230068A
    • 2013-11-07
    • JP2012139378
    • 2012-06-21
    • Toshiba Lighting & Technology Corp東芝ライテック株式会社
    • TAKAHASHI YUJIKITAMURA NORIYUKIOTAKE HIROKAZUTSUJI TOSHIO
    • H02M3/155H01L33/00H05B37/02
    • H02M7/125H02M3/1563H05B33/0815Y02B20/346
    • PROBLEM TO BE SOLVED: To provide a switching power supply device and a lighting device that implement a simple structure of an inductor of the switching power supply device even if employing an auxiliary winding on the inductor.SOLUTION: In an embodiment, the switching power supply device includes: input ends; a DC power supply connected to the input ends; a chopper circuit connected to the DC power supply; and output ends connected to the chopper circuit and connected to a load. The chopper circuit has: a first inductor; a second inductor; a third inductor; a switching element for, when turned on, causing an augmented current to flow from the DC power supply to the first and third inductors; a constant current element connected in series with the switching element; a rectification element for causing a reduced current to flow to the first and third inductors while the switching element is turned off; and a drive circuit for controlling a gate voltage of the switching element to turn it off when the switching element is turned on and the augmented current reaches a saturation state of the constant current element.
    • 要解决的问题:提供即使在电感器上使用辅助绕组也能实现开关电源装置的电感器的简单结构的开关电源装置和照明装置。解决方案:在一个实施例中,开关电源 设备包括:输入端; 连接到输入端的直流电源; 连接到直流电源的斩波电路; 并且输出端连接到斩波电路并连接到负载。 斩波电路具有:第一电感器; 第二电感器; 第三电感器; 开关元件,其在导通时使得增大的电流从所述直流电源流向所述第一和第三电感器; 与开关元件串联连接的恒流元件; 整流元件,用于在开关元件断开时使电流减小到第一和第三电感器; 以及驱动电路,用于当开关元件导通并且增大电流达到恒定电流元件的饱和状态时,控制开关元件的栅极电压使其截止。