专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2013161591A Light source lighting device and illuminating device 审中-公开
标题翻译：光源照明装置和照明装置
公开(公告)号：JP2013161591A
公开(公告)日：2013-08-19
申请号：JP2012021402
申请日：2012-02-03
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mitsubishi Electric Lighting Corp , 三菱電機照明株式会社
发明人： NONAKA TAKAFUMI , KINOSHITA HARUKA , KUMAGAI TAKASHI , FUNAYAMA SHINSUKE , MAEDA TAKASHI
IPC分类号： H05B37/02
摘要： PROBLEM TO BE SOLVED: To automatically determine which one of at least two kinds of light-emitting element groups is connected in one power supply circuit while considering influences of a temperature of the light-emitting element group at the determination.SOLUTION: In a power supply circuit 100, a microcomputer 151 stores a table of relation between the number of LED lamps of a light-emitting element group 802, a degree of dimming, and a current value outputted from a power conversion circuit 120, for each number of lamps. The microcomputer 151, in a state that a constant current of 15 mA is outputted from the power conversion circuit 120, receives an applied voltage to the light-emitting element group 802, which is detected by a voltage detection circuit 123, compares the received applied voltage with a number-of-lamps determination voltage in a memory 152, determines the number of LED lamps of the light-emitting element group 802, and selects the table depending on the determination result. The microcomputer 151, at the determination of the number of LED lamps, corrects the number-of-lamps determination voltage on the basis of temperature information detected by a temperature detection circuit 200, and then compares the detected applied voltage with the number-of-lamps determination voltage in the memory 152.
摘要翻译：要解决的问题：在确定中考虑发光元件组的温度的影响的同时，自动确定至少两种发光元件组中的哪一种连接在一个电源电路中。解决方案：在功率电源电路100中，微型计算机151存储发光元件组802的LED灯的数量，调光度和从功率转换电路120输出的电流值之间的关系的表。微型计算机151在从电力转换电路120输出15mA的恒定电流的状态下，接收对由电压检测电路123检测出的发光元件组802施加的电压，在存储器152中具有数量灯确定电压的电压确定发光元件组802的LED灯的数量，并且根据确定结果来选择该表。微型计算机151在确定LED灯的数量时，基于由温度检测电路200检测到的温度信息来校正灯数确定电压，然后将检测到的施加电压与数量 - 灯的确定电压在存储器152中。

2. 发明专利

JP2013105713A Power supply device and lighting device 有权
标题翻译：电源设备和照明设备
公开(公告)号：JP2013105713A
公开(公告)日：2013-05-30
申请号：JP2011250759
申请日：2011-11-16
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mitsubishi Electric Lighting Corp , 三菱電機照明株式会社
发明人： KINOSHITA HARUKA , NONAKA TAKAFUMI , KUMAGAI TAKASHI , ITO YUICHIRO , FUNAYAMA SHINSUKE , MAEDA TAKASHI
IPC分类号： H05B37/02 , H01L33/00 , H02M3/155
摘要： PROBLEM TO BE SOLVED: To keep a power factor intact even when a power supply to a load circuit is reduced for dimming or the like, suppress a power loss in a power supply device, and stabilize an operation of a power factor improvement circuit.SOLUTION: A power factor improvement circuit 110 inputs thereinto an AC voltage, converts the input AC voltage to a DC voltage and outputs the converted DC voltage, and improves a power factor of an input AC current. A control circuit 140 increases the voltage value of the DC voltage output from the power factor improvement circuit 110 with increasing voltage value of the AC voltage input into the power factor improvement circuit 110. The control circuit 140 increases the voltage value of the DC voltage output from the power factor improvement circuit 110 with decreasing degree of dimming indicated by a dimmer signal input into a dimmer signal input circuit 180.
摘要翻译：要解决的问题：为了使功率因数保持不变，即使当降低对负载电路的电源进行调光等时，抑制电源装置中的功率损耗，并且稳定功率因数改善的操作电路。解决方案：功率因数改善电路110输入AC电压，将输入AC电压转换成DC电压并输出转换的DC电压，并提高输入AC电流的功率因数。控制电路140通过输入到功率因数改善电路110的交流电压的电压值增加从功率因数改善电路110输出的直流电压的电压值。控制电路140增加直流电压输出的电压值来自功率因数提高电路110，其具有由输入到调光器信号输入电路180的调光信号指示的调光程度减小。（C）2013，JPO和INPIT

3. 发明专利

JP2012226917A Power supply device and illumination device 有权
标题翻译：电源装置和照明装置
公开(公告)号：JP2012226917A
公开(公告)日：2012-11-15
申请号：JP2011092281
申请日：2011-04-18
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Lighting Corp , 三菱電機株式会社 , 三菱電機照明株式会社
发明人： KINOSHITA HARUKA , NONAKA TAKAFUMI , KUMAGAI TAKASHI , ITO YUICHIRO , FUNAYAMA SHINSUKE , MAEDA TAKASHI
IPC分类号： H05B37/02 , H01L33/00 , H02M3/155
摘要： PROBLEM TO BE SOLVED: To suppress an electric power loss in a power supply device while preventing deterioration of power factor, even when an electric power supplied to a load circuit is small.SOLUTION: A power factor improvement circuit 110 inputs an AC voltage, and outputs a converted DC voltage by converting the inputted AC voltage to a DC voltage, and also enhances a power factor of an AC current to be inputted. A control circuit 140 controls a voltage value of the DC voltage outputted by the power factor improvement circuit 110, and further increases the voltage value of the DC voltage outputted by the power factor improvement circuit 110 with decreasing a current value of a DC current outputted by the power factor improvement circuit 110.
摘要翻译：要解决的问题：即使当提供给负载电路的电力很小时，也可以防止功率因数的劣化，从而抑制供电装置的电力损失。解决方案：功率因数改善电路110输入AC电压，并通过将输入的AC电压转换为DC电压来输出转换的DC电压，并且还增强要输入的AC电流的功率因数。控制电路140控制由功率因数提高电路110输出的直流电压的电压值，并且通过减小由功率因数改善电路110输出的直流电流的电流值，从而进一步增加由功率因数改善电路110输出的直流电压的电压值功率因数提高电路110.版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2010244771A Power supply circuit, and illumination apparatus 有权
标题翻译：电源电路和照明设备
公开(公告)号：JP2010244771A
公开(公告)日：2010-10-28
申请号：JP2009090680
申请日：2009-04-03
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Lighting Corp , 三菱電機株式会社 , 三菱電機照明株式会社
发明人： IGARASHI HIROSHI , KUMAGAI TAKASHI , NONAKA TAKAFUMI , IWATSUBO KOKI , SAITO KOICHI
IPC分类号： H05B37/02 , H01L33/00
摘要： PROBLEM TO BE SOLVED: To materialize constant current control capable of suppressing power loss and also coping with fluctuation of an input voltage with a simple circuit structure.
SOLUTION: A power supply circuit 100 supplies power to a load circuit (light source circuit LA) having constant voltage characteristics by receiving power from an ac power supply AC. A voltage detection circuit 110 detects an ac voltage input from the ac power supply AC to use it as the input voltage. An impedance circuit 120 is electrically connected in series to the load circuit (light source circuit LA), and its impedance increases as the input voltage detected by the voltage detection circuit 110 increases.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：实现能够抑制功率损耗的恒定电流控制，并且以简单的电路结构来应对输入电压的波动。解决方案：电源电路100通过从交流电源AC接收电力向具有恒定电压特性的负载电路（光源电路LA）供电。电压检测电路110检测从交流电源AC输入的交流电压作为输入电压。阻抗电路120与负载电路（光源电路LA）串联电连接，其阻抗随着电压检测电路110检测到的输入电压的增加而增加。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2013089286A Light source lighting device 审中-公开
标题翻译：光源照明设备
公开(公告)号：JP2013089286A
公开(公告)日：2013-05-13
申请号：JP2011225444
申请日：2011-10-13
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mitsubishi Electric Lighting Corp , 三菱電機照明株式会社
发明人： NONAKA TAKAFUMI , KUMAGAI TAKASHI , KINOSHITA HARUKA , FUNAYAMA SHINSUKE , MAEDA TAKASHI
IPC分类号： H05B37/02
摘要： PROBLEM TO BE SOLVED: To determine automatically a light emitting element group (e.g. LED series circuits) connected in one power supply circuit from at least two types of light emitting element groups, and to drive the light emitting element group with a constant current value required by the light emitting element.SOLUTION: In a power supply circuit 100, a microcomputer 151 prestores the correspondence of the number of lamps and the degree of dimming of an LED series circuit 851 and the current value of a constant current being output from a power conversion circuit 120. Based on a voltage being applied to the LED series circuit 851 from the power conversion circuit 120 and detected by a voltage detection circuit 123 while a constant current of 15 mA is output from the power conversion circuit 120, the microcomputer 151 determines the number of lamps of the LED series circuit 851, and makes the power conversion circuit 120 output a constant current of a current value corresponding to the combination of the number of lamps and a degree of dimming commanded from a dimmer 103. After determining the number of lamps, the microcomputer 151 determines the number of lamps again at a periodic timing and checks erroneous determination.
摘要翻译：要解决的问题：为了自动地确定从至少两种类型的发光元件组连接在一个电源电路中的发光元件组（例如，LED串联电路），并且以恒定的方式驱动发光元件组发光元件所需的电流值。
解决方案：在电源电路100中，微计算机151预先存储灯数量的对应关系和LED串联电路851的调光程度以及从功率转换电路120输出的恒定电流的当前值基于从功率转换电路120施加到LED串联电路851的电压并由电压检测电路123检测到的电压，同时从功率转换电路120输出15mA的恒定电流，微计算机151确定 LED串联电路851的灯，并且使电力转换电路120输出与灯数量的组合对应的电流值和从调光器103指示的调光度的恒定电流。在确定灯的数量之后，微计算机151在周期性定时再次确定灯的数量并检查错误的确定。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012175887A Electric power unit and luminaire 有权
标题翻译：电力单元和灯泡
公开(公告)号：JP2012175887A
公开(公告)日：2012-09-10
申请号：JP2011038607
申请日：2011-02-24
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Lighting Corp , 三菱電機株式会社 , 三菱電機照明株式会社
发明人： NONAKA TAKAFUMI , KUMAGAI TAKASHI , ITO YUICHIRO , KINOSHITA HARUKA , FUNAYAMA SHINSUKE , MAEDA TAKASHI
IPC分类号： H02M3/155 , H01L33/00
摘要： PROBLEM TO BE SOLVED: To automatically determine which of at least two kinds of light emitting element groups (for example, LED series circuits) is connected in one power supply circuit, and to drive the light emitting element group with a constant current value that the light emitting element group requires.SOLUTION: In a power supply circuit 100, a microcomputer 151 previously stores correspondence between a lighting number and a dimming degree of an LED series circuit 851 and a current value of a constant current output from a power conversion circuit 120. The microcomputer 15 determines a lighting number of the LED series circuit 851 based upon a voltage detected by a voltage detection circuit 123 and applied from the power conversion circuit 120 to the LED series circuit 851 in a state in which the power conversion circuit 120 outputs a constant current of 15 mA, and makes the power conversion circuit 120 output a constant current having a current value corresponding to a combination of the lighting number and a dimming degree commanded by a dimmer 103.
摘要翻译：要解决的问题：为了自动确定在一个电源电路中连接至少两种发光元件组（例如，LED串联电路）中的哪一种，并且以恒定电流驱动发光元件组发光元件组要求的值。解决方案：在电源电路100中，微计算机151预先存储LED串联电路851的点亮次数和调光度与从功率转换电路120输出的恒定电流的当前值之间的对应关系。微计算机图15中，根据由电压检测电路123检测出的电压，并且在电力转换电路120输出恒定电流的状态下，从电力转换电路120向LED串联电路851施加的LED串联电路851的点亮次数并且使电力转换电路120输出具有与由调光器103指示的点亮次数和调光度的组合对应的电流值的恒定电流。（C）2012，JPO＆INPIT

7. 发明专利

JP2012155861A Light source lighting device and illuminating device 有权
标题翻译：光源照明装置和照明装置
公开(公告)号：JP2012155861A
公开(公告)日：2012-08-16
申请号：JP2011011342
申请日：2011-01-21
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Lighting Corp , 三菱電機株式会社 , 三菱電機照明株式会社
发明人： NONAKA TAKAFUMI , KUMAGAI TAKASHI , ITO YUICHIRO , KINOSHITA HARUKA , FUNAYAMA SHINSUKE , MAEDA TAKASHI
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , Y02B20/347
摘要： PROBLEM TO BE SOLVED: To enable a power supply circuit driving by a constant current an LED series circuit in which a plurality of LEDs are connected in series, to be used in a plurality of LED series circuits having the different number of LEDs without changing circuit constants and components.SOLUTION: An LED series circuit 851 is connected to a power conversion circuit 120 of a power supply circuit 100. The power conversion circuit 120 is drive-controlled by a control operation circuit 112 to supply a constant current to the LED series circuit 851. A voltage detection circuit 123 detects a voltage applied to the LED series circuit 851. The control operation circuit 112 determines whether or not the number of LEDs of the LED series circuit 851 is 40 or 20 based on a voltage detected by the voltage detection circuit 123. The control operation circuit 112 has a constant current value table 151 for 40 LEDs and a constant current value table 152 for 20 LEDs, selects any one of the constant current value tables 151 and 152 depending on a determination result, and performs constant current control of the power conversion circuit 120 based on the selected constant current value table.
摘要翻译：要解决的问题为了使得通过恒定电流驱动的电源电路将多个LED串联连接的LED串联电路用于具有不同数量的LED的多个LED串联电路中而不改变电路常数和组件。解决方案：LED串联电路851连接到电源电路100的电源转换电路120.功率转换电路120由控制运算电路112驱动控制，以向LED串联电路提供恒定电流电压检测电路123检测施加到LED串联电路851的电压。控制运算电路112基于由电压检测检测到的电压来判定LED串联电路851的LED的数量是否为40或20 电路123.控制运算电路112具有用于40个LED的恒定电流值表151和用于20个LED的恒定电流值表152，根据确定结果选择恒定电流值表151和152中的任何一个，并且执行常数基于所选择的恒定电流值表进行功率转换电路120的电流控制。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2011192403A Lighting device 有权
标题翻译：照明设备
公开(公告)号：JP2011192403A
公开(公告)日：2011-09-29
申请号：JP2010054994
申请日：2010-03-11
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Lighting Corp , 三菱電機株式会社 , 三菱電機照明株式会社
发明人： KAWABATA KENICHI , KUMAGAI TAKASHI , NONAKA TAKAFUMI , MORIMOTO YUSUKE , IWATSUBO KOKI , SAITO KOICHI
IPC分类号： F21V29/00 , F21Y101/02
摘要： PROBLEM TO BE SOLVED: To enhance the efficiency of cooling light source elements, while restraining increase of the number of components of a lighting device. SOLUTION: A power source circuit is structured of electronic components mounted on a substrate 130. The power source circuit generates light-source-lighting power for lighting the light source elements 140. The light source elements 140 are mounted on the same substrate 130 mounting the power source circuit. The light source elements 140 are located at a flow channel of airstream generated by heat generated at the power source circuit. The airstream generated by heat generated at the power source circuit cools down the light source elements 140 through a cover 120. The light source elements 140 are lit up by the light-source-lighting power generated at the power source circuit. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提高冷却光源元件的效率，同时抑制照明装置的部件数量的增加。解决方案：电源电路由安装在基板130上的电子部件构成。电源电路产生用于点亮光源元件140的光源照明电源。光源元件140安装在同一基板上 130安装电源电路。光源元件140位于通过在电源电路处产生的热产生的气流的流动通道。由电源电路产生的热产生的气流通过盖子120冷却光源元件140.光源元件140由在电源电路处产生的光源照明功率点亮。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011091900A Power supply circuit and illumination apparatus 有权
标题翻译：电源电路和照明设备
公开(公告)号：JP2011091900A
公开(公告)日：2011-05-06
申请号：JP2009241587
申请日：2009-10-20
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Lighting Corp , 三菱電機株式会社 , 三菱電機照明株式会社
发明人： NONAKA TAKAFUMI , KUMAGAI TAKASHI , ITO YUICHIRO , IWATSUBO KOKI , SAITO KOICHI
IPC分类号： H02M3/155 , H01L51/50 , H02M7/12 , H05B33/08 , H05B37/02
摘要： PROBLEM TO BE SOLVED: To suppress power loss at a power factor improvement circuit and enable a power supply circuit to be compatible with an alternating-current power supply over a wide voltage range. SOLUTION: The power factor improvement circuit 120 generates a direct-current voltage (generated voltage) from inputted input voltage and controls the waveform of inputted input current to enhance the power factor of input. A generated voltage setting circuit 140 sets the voltage value V 2 of the direct-current voltage generated by the power factor improvement circuit 120 based on the voltage value (peak value V 1 ) of the input voltage inputted by the power factor improvement circuit 120. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了抑制功率因数提高电路的功率损耗，并且使电源电路能够在宽电压范围内与交流电源兼容。解决方案：功率因数改善电路120从输入的输入电压产生直流电压（生成电压），并控制输入的输入电流的波形，以提高输入的功率因数。发电电压设定电路140根据电压值（峰值V 1 ）设定由功率因数改善电路120产生的直流电压的电压值V SB> 2 < ）由功率因数改善电路120输入的输入电压。版权所有：（C）2011，JPO＆INPIT

10. 发明专利

JP2010092997A Light-emitting device and lighting system 有权
标题翻译：发光装置和照明系统
公开(公告)号：JP2010092997A
公开(公告)日：2010-04-22
申请号：JP2008260196
申请日：2008-10-07
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Lighting Corp , 三菱電機株式会社 , 三菱電機照明株式会社
发明人： NONAKA TAKAFUMI , KUMAGAI TAKASHI , BAN KAZUO , SAITO KOICHI , MATSUBARA NORIYUKI
IPC分类号： H01L33/00 , H05B37/02
摘要： PROBLEM TO BE SOLVED: To provide a light-emitting device in which a plurality of light-emitting elements differing in driving currents are driven by a simple drive circuit and which has high electrical efficiency.
SOLUTION: Master light-emitting diodes 7a-7d and a slave light-emitting diode 8a requiring a larger current than the master light-emitting diodes are connected to a main secondary wiring 2b in series, a current detecting resistance 9 detects a main current J2, and voltage detecting resistances 22, 23 detect voltages applied on the light-emitting diodes, and a control circuit 4 controls an opening and closing time rate of a MOSFET 3 to carry out constant current control of the main current J2 in a range within a predetermined voltage, thereby driving the main and slave light-emitting diodes. Furthermore, the slave light-emitting diode 8a is supplied with a slave current L1 which is less than a current needed to obtain a desired light emission output from a slave second winding 2c, and is driven with a salve driving current SJ1. The light-emitting diodes 7 and 8a differing in driving currents are driven by one constant current drive circuit with voltage limitation to simplify the drive circuit and improve efficiency.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种发光装置，其中驱动电流不同的多个发光元件由简单的驱动电路驱动并且具有高的电效率。解决方案：主发光二极管7a-7d和要求比主发光二极管大的电流的从发光二极管8a串联连接到主二次布线2b，电流检测电阻9检测到主电流J2和电压检测电阻22,23检测施加在发光二极管上的电压，并且控制电路4控制MOSFET 3的打开和关闭时间速率，以对主电流J2进行恒定电流控制范围在预定电压内，从而驱动主发光二极管和从发光二极管。此外，从属发光二极管8a被提供有比从属第二绕组2c获得期望的发光输出所需的电流小的从电流L1，并且由吸光驱动电流SJ1驱动。驱动电流不同的发光二极管7和8a由一个具有电压限制的恒流驱动电路驱动，以简化驱动电路并提高效率。版权所有（C）2010，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式