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公开(公告)号：JP2017092348A
公开(公告)日：2017-05-25
申请号：JP2015223290
申请日：2015-11-13
Inventor： IWAKURA MASAAKI , KUMAGAI MASARU , SASAKI KATSUICHI , ISHIGAKI KATSUHIRO , SHINPO SOJI
Abstract: 【課題】放熱性を向上させることにより、コイル装置の大電流化に対応できるコイル装置を提供する。【解決手段】磁性コアと、ボビンと、前記ボビンに装着してあるコイルと、を有するコイル装置であって、前記コイルは、前記ボビンの外表面に形成してあり前記ボビンを構成する隔壁部によって互いに隔てられている複数のコイル区画に配置されており、前記ボビンにおける一の前記コイル区画と他の一の前記コイル区画との間には、前記ボビンよりも熱伝達率が高い熱伝導部材が配置されており、前記熱伝導部材は、前記隔壁部によって前記コイル区画に配置されている前記コイルに対して隔てられているコイル装置。【選択図】図1
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公开(公告)号：JP2014207260A
公开(公告)日：2014-10-30
申请号：JP2013082324
申请日：2013-04-10
Inventor： MAEDA HIROSHI , SHINPO SOJI , YAMADA MINORU
IPC: H01F30/00 , H01F27/24 , H01F27/255 , H01F27/26 , H01F27/30
Abstract: 【課題】薄型化、小型化および省スペース化を図りつつ、一次コイル部と二次コイル部との間の絶縁性を良好に確保することができる基板一体型コイル装置を提供すること。【解決手段】回路基板4には、第1コア10の第1側脚16の先端が各々貫通可能な側脚貫通孔6が形成してある。第2コア20が配置される回路基板4の片面に側脚貫通孔6を塞ぐように絶縁シートが粘着される。第1側脚16の先端が側脚貫通孔6に挿入されて絶縁シート50の粘着層54に当接し、第2側脚26の先端が、絶縁シート50を挟んで、第1側脚16の先端と反対側の絶縁シート50の第2面52に当接する。【選択図】図1
Abstract translation: 要解决的问题：提供一种能够在实现薄型化，小型化和节省空间的同时优良地确保初级线圈部和次级线圈部之间的绝缘性的基板一体化线圈装置。解决方案：在电路板4中，侧腿通孔 6形成，第一芯10的第一侧腿16的尖端可以穿过该六边形突起6穿过。 在布置有第二芯20的电路板4的单个表面上，结合绝缘片以闭合侧腿通孔6.第一侧腿16的尖端插入侧腿通过 孔6并邻接在绝缘片50的粘合剂层54上。第二侧腿26的末端穿过绝缘片50在与绝缘片50的尖端相对的一侧的绝缘片50的第二表面52上邻接 第一侧腿16。
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公开(公告)号：JP2013183066A
公开(公告)日：2013-09-12
申请号：JP2012046516
申请日：2012-03-02
Inventor： IWAKURA MASAAKI , KOBAYASHI KAZUMI , KITAJIMA NOBUO , SHINPO SOJI
Abstract: PROBLEM TO BE SOLVED: To provide a coil device having an excellent heat radiation property even if disposed in a narrow space, decreasing variations of a temperature distribution, and capable of showing stable coil characteristics.SOLUTION: In a coil device 10, winding shafts of coils 20 and 30 are disposed so as to intersect main surfaces of base portions 13a and 13b. One main surface of a pair of the base portions 13a and 13b is attached to an attachment substrate 70, and on the main surface of the other base portion 13b, a part of a tape-shaped member 100 having higher thermal conductivity than a core 12 is installed so as to transfer heat. At least one end of the tape-shaped member 100 is attached to the attachment substrate 70 so as to transfer heat, through clearances between bobbins 40, 50, and 60 and core leg members 16a, 18a, 16b, and 18b.
Abstract translation: 要解决的问题：即使设置在狭窄的空间中也能提供具有优异的散热性能的线圈装置，降低温度分布的变化，并且能够显示出稳定的线圈特性。解决方案：在线圈装置10中， 线圈20和30设置成与基部13a和13b的主表面相交。 一对基部13a和13b的一个主表面附接到安装基板70，并且在另一个基部13b的主表面上，具有比芯12更高的热导率的带状部件100的一部分 安装以传递热量。 带状构件100的至少一端通过线轴40,50和60与芯支脚构件16a，18a，16b，18b之间的间隙附着到安装基板70上，以便传递热量。
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公开(公告)号：JP2012182231A
公开(公告)日：2012-09-20
申请号：JP2011042916
申请日：2011-02-28
Inventor： SHINPO SOJI
CPC classification number: Y02B20/346
Abstract: PROBLEM TO BE SOLVED: To make an LED turn on a light with stability without using an electrolytic capacitor for a smoothing capacitor connected to an output end of a rectification circuit.SOLUTION: An LED lighting device 10 has: a rectification circuit 13 performing full-wave rectification of an AC power supply 11; a step-down chopper circuit 14 including a coil Np and a switching element Q1, and stepping down a full-wave rectification waveform outputted from the rectification circuit 13; an LED module 15 connected to an output end of the step-down chopper circuit 14; and a self-excited driving signal generation circuit 17 including a coil Nd magnetically coupled to the coil Np, and driving the step-down chopper circuit 14. The self-excited driving signal generation circuit 17 has an on time period correction circuit 22 prescribing an on time period of the switching element Q1 and performing control so that the on time period becomes short when an output voltage of the step-down chopper circuit 14 is relatively high and becomes long when the output voltage is relatively low.
Abstract translation: 要解决的问题：为了使LED稳定而不使用用于连接到整流电路的输出端的平滑电容器的电解电容器来使LED亮起。 解决方案：LED照明装置10具有整流电路13，进行交流电源11的全波整流; 包括线圈Np和开关元件Q1的降压斩波电路14，并且降压从整流电路13输出的全波整流波形; 连接到降压斩波电路14的输出端的LED模块15; 以及包括与线圈Np磁耦合的线圈Nd并驱动降压斩波电路14的自激驱动信号发生电路17。自激式驱动信号发生电路17具有接通时间校正电路22， 开关元件Q1的导通时间，并且进行控制，使得当降压斩波电路14的输出电压相对较高时导通时间变短，并且当输出电压相对较低时变为长。 版权所有（C）2012，JPO＆INPIT
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公开(公告)号：JP2006140118A
公开(公告)日：2006-06-01
申请号：JP2004331157
申请日：2004-11-15
Inventor： MAEDA HIROSHI , SHINPO SOJI , GAMO MASAHIRO , SUGIMOTO SATOSHI , KITAJIMA NOBUO , TOYODA AKIMASA
CPC classification number: H05B41/2855
Abstract: PROBLEM TO BE SOLVED: To provide a device for driving a discharge lamp capable of detecting the both ends in an open state in at least one of the discharge lamps provided with a plurality of pieces in the both side driving type, and a liquid crystal display device. SOLUTION: A first current detection circuit 31 detects a current flowing in a first discharge lamp connector group P1, or the current flowing in a second discharge lamp connector group P3, and generates a first current detection signal S1. A second current detection circuit 32 detects a current flowing in a second discharge lamp connector group P2 or the current flowing in a fourth discharge lamp connector P4, and generates a second current detection signal S2. The signal processing part 30 is supplied with the first current detection signal S1 and the second current detection signal S2 and generates a signal S01 for detecting the open state of the discharge lamp based on the size of the both current detection signals S1, S2. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种用于驱动放电灯的装置，其能够在两侧驱动型中设置有多个放电灯的至少一个放电灯中检测处于断开状态的两端，以及 液晶显示装置。 解决方案：第一电流检测电路31检测在第一放电灯连接器组P1中流动的电流或在第二放电灯连接器组P3中流动的电流，并产生第一电流检测信号S1。 第二电流检测电路32检测在第二放电灯连接器组P2中流动的电流或在第四放电灯连接器P4中流动的电流，并产生第二电流检测信号S2。 信号处理部分30被提供有第一电流检测信号S1和第二电流检测信号S2，并且基于两个电流检测信号S1，S2的大小产生用于检测放电灯的打开状态的信号S01。 版权所有（C）2006，JPO＆NCIPI
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Patent Agency Ranking
公开(公告)号：JP2010258395A
公开(公告)日：2010-11-11
申请号：JP2009110104
申请日：2009-04-28
Inventor： KITAJIMA NOBUO , SHINPO SOJI
IPC: H01F37/00
Abstract: PROBLEM TO BE SOLVED: To provide a PFC choke coil for interleaving having a two-in-one structure functioning as substantially two independent choke coils, and capable of reducing cost and outline dimensions.
SOLUTION: This PFC choke coil includes a pair of E-shaped cores 1, 2, first and second coil windings 61, 62 wound around central legs 11, 21 of them, respectively, and an I-shaped core 3. Outside legs 12, 22 of the pair of E-shaped cores 1, 2 are positioned face to face with each other with the I-shaped core 3 interposed, and gaps are formed between the respective central legs 11, 21 and the I-shaped core 3. Current directions in the first coil winding 61 and the second coil winding 62 are the same, and magnetic fluxes generated by the respective currents and passing through the I-shaped core 3 are opposite to each other.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 要解决的问题：提供一种用于交错的PFC扼流线圈，其具有用作基本上两个独立扼流圈的二合一结构，并且能够降低成本和外形尺寸。 解决方案：该PFC扼流线圈包括一对E形磁芯1,2，分别缠绕在其中心支脚11,21上的第一和第二线圈绕组61,62以及I形磁芯3.外部 一对E形芯1,2的腿部12,22彼此面对地配置有I形芯体3，并且在各个中心腿部11,21和I形芯部之间形成间隙 第一线圈绕组61和第二线圈绕组62中的电流方向相同，并且由各个电流产生并且通过I形磁芯3的磁通量彼此相反。 版权所有（C）2011，JPO＆INPIT
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公开(公告)号：JP2006221985A
公开(公告)日：2006-08-24
申请号：JP2005034955
申请日：2005-02-10
Applicant: TDK CORP
Inventor： SHINPO SOJI , MAEDA HIROSHI
IPC: H05B41/24 , G02F1/13357
Abstract: PROBLEM TO BE SOLVED: To provide a discharge lamp driving device in which open state of at least one of plural discharge lamps installed can be checked, and to provide a liquid crystal display. SOLUTION: A first voltage detection elements Cc1 to Ccn and Ce1 to Cen, and a second voltage detection elements Cd1 to Cdn and Cf1 to Cfn are connected in series so as to form a series circuit respectively. Each series circuit is connected to a discharge lamp connection terminal P11 to P1n and P21 to P2n respectively, and another terminal is led to an earth terminal respectively. A signal processing section 30 generates signals for detecting the open state of any of the discharge lamps 21 to 2n by using an average value Va and a peak value Vb of voltages V31 to V3n and V41 to V4n. COPYRIGHT: (C)2006,JPO&NCIPI
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公开(公告)号：JP2001332425A
公开(公告)日：2001-11-30
申请号：JP2000154224
申请日：2000-05-25
Applicant: TDK CORP
Inventor： WATABE AKIRA , SHINPO SOJI
Abstract: PROBLEM TO BE SOLVED: To surely prevent short circuiting between a flat coil and a terminal. SOLUTION: A surface-mounting inductor comprises a flat coil 1, having a circularly wound coil member 7 together with draw-out members 8, 9, arranged respectively at the starting end and the finishing end of the winding of the coil member 7, where the draw-out member 8 at the start end of the winding is drawn out from the inner-diameter side of the coil member 7 so as to traverse the coil member 7, a pot core 2 having a columnar central core 11 which is inserted into the flat coil 1 to support the flat coil 1 and a coil accommodating member 12, arranged in the periphery of the central core 11 to accommodate the flat coil 1, and terminals 3, 4 attached to the outer surface of the pot core 2 and to which the draw-out member 8 at the start end and the draw-out member 9 at the finishing end of the flat coil 1 are respectively connected. By forming a relief 14, that relieves the draw-out member 8 of the start end in the central core 11, a gap 15 is assured between the flat coil 1 and the terminal 3 to prevent short circuiting between the two.
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公开(公告)号：JP2013254890A
公开(公告)日：2013-12-19
申请号：JP2012130695
申请日：2012-06-08
Applicant: TDK CORP
Inventor： IWAKURA MASAAKI , KITAJIMA NOBUO , KOBAYASHI KAZUMI , SHINPO SOJI
IPC: H01F38/08
Abstract: PROBLEM TO BE SOLVED: To provide a coil component which is excellent in a withstand voltage characteristic and a high frequency characteristic and excellent in the stabilization of a leakage characteristic.SOLUTION: A coil component 10 has a first bobbin 40 with a first winding part 45 formed on an outer circumference, and a second bobbin 50 with a second winding part 55 formed on an outer circumference. In the first winding part 45, a plurality of partition walls 46 for mutually separating first wires 22 mutually adjacent along a winding axis Z of the first wires 22 are formed along the winding axis at a prescribed interval. Section width w1 along the winding axis Z in each section 47 separated by the partition walls 46 is set to width where only one wire 22 is inserted. The height of the partition walls 46 is set to height where only one wire 22 is inserted. In each partition wall 46, at least one communication groove 46a for mutually communicating respective adjacent sections is formed.
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公开(公告)号：JP2002231533A
公开(公告)日：2002-08-16
申请号：JP2001027732
申请日：2001-02-05
Applicant: TDK CORP
Inventor： WATABE AKIRA , SHINPO SOJI
Abstract: PROBLEM TO BE SOLVED: To improve adhesive strength between a drum core and a base. SOLUTION: An inductor is provided with the base 2 made of an insulating material, a pair of terminals 3 and 3 that are in a state of positioning, and the drum core 4 wound by a winding 5 that is connected with the terminals 3 and 3. The drum core 4 is adhered to the upper surfaces of the base 2 and terminals 3 and 3 in a manner to stride the terminals 3 and 3. At least an adhering surface area 21 to the drum core 4 in the terminals 3 and 3 is in non-plating state.
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