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1. 发明专利

JP2014142333A Battery pack voltage detector 有权
标题翻译：电池组电压检测器
公开(公告)号：JP2014142333A
公开(公告)日：2014-08-07
申请号：JP2013220111
申请日：2013-10-23
申请人： Denso Corp , 株式会社デンソー
发明人： NAGAYA KAZUNORI , HONDA KAZUTAKA , MAKIHARA TETSUYA
IPC分类号： G01R19/00 , H01M10/48 , H02J7/02
CPC分类号： G01R31/3658 , B60L11/1851 , B60L11/1853 , B60L2240/547 , G01R31/3637 , H02J7/0013 , H02J7/0019 , H02J7/0021 , Y02T10/7005
摘要： PROBLEM TO BE SOLVED: To sample a plurality of unit batteries composing a battery pack simultaneously and detect voltages.SOLUTION: A first switch SW1x and a fifth switch SW5x corresponding to a plurality of battery cells Bn are turned on, and a first capacitor C1x is charged at one time with electric charge. At least one switch of the first switch SW1x and the fifth switch SW5x is then turned off at one time, and the electric charge is simultaneously held in the first capacitor C1x. Voltage VBn of the battery cells Bn as voltage detection target are sequentially detected by initializing the electric charge of a second capacitor C2 with a fourth switch SW4 being temporarily turned off, and by then turning on a second switch SW2x and a third switch SW3x with the first switch SW1x and the fifth switch SW5x corresponding to the battery cell Bn as the voltage detection target being turned off.
摘要翻译：要解决的问题：同时对构成电池组的多个单电池进行采样并检测电压。解决方案：对应于多个电池单元Bn的第一开关SW1x和第五开关SW5x导通，第一电容器C1x为一次充电充电。然后，第一开关SW1x和第五开关SW5x的至少一个开关一次被断开，并且电荷同时保持在第一电容器C1x中。通过在暂时关闭第四开关SW4的情况下初始化第二电容器C2的电荷，然后通过第二开关SW2x和第三开关SW3x接通第二开关SW3x，依次检测作为电压检测对象的电池单元Bn的电压VBn 第一开关SW1x和第五开关SW5x对应于电池单元Bn，因为电压检测对象被关闭。

2. 发明专利

JP2011205190A A-d converter 有权
标题翻译： A-D转换器
公开(公告)号：JP2011205190A
公开(公告)日：2011-10-13
申请号：JP2010067902
申请日：2010-03-24
申请人： Denso Corp , 株式会社デンソー
发明人： MAKIHARA TETSUYA , HORIE MASUMI , HONDA KAZUTAKA
IPC分类号： H03M1/40
CPC分类号： H03M1/1225 , H03M1/0695 , H03M1/403
摘要： PROBLEM TO BE SOLVED: To provide an A-D converter which can carry out A-D conversion after converting an input signal other than a voltage to a voltage signal.SOLUTION: A control circuit 8 connects an initialized capacitor CG between input and output terminals of an operational amplifier 9, and then a charging signal Sin is applied in a state that a switch S12 is opened, and the charge setting of the capacitor CG is carried out. Thus, a conversion voltage corresponding to the charging signal Sin is outputted from the operational amplifier 9. Afterward, the control circuit sets charges which correspond to the conversion voltages in capacitors CF, CS10, CS11, and reallocates the charges among the capacitors by connecting non-common side electrodes of the capacitors CS10, CS11 to one of a plurality of reference voltage lines in accordance with a conversion result of an A-D conversion circuit 7 in a state that the capacitor CF is connected between the input and output terminals of the operational amplifier. The control circuit thereafter performs, a number of times, charge setting, initialization, and subsequent charge reallocation in accordance with a residual voltage outputted from the operational amplifier 9.
摘要翻译：要解决的问题：提供一种AD转换器，其可以将除电压之外的输入信号转换成电压信号之后进行AD转换。解决方案：控制电路8将运算放大器的输入和输出端之间的初始化电容器CG连接起来然后在开关S12断开的状态下施加充电信号Sin，并执行电容器CG的充电设定。因此，从运算放大器9输出对应于充电信号Sin的转换电压。之后，控制电路设置与电容器CF，CS10，CS11中的转换电压相对应的电荷，并通过连接非电容器来重新分配电容器中的电荷在电容器CF连接在运算放大器的输入和输出端之间的状态下，根据AD转换电路7的转换结果，将电容器CS10，CS11的通用侧电极连接到多个基准电压线之一。然后，控制电路根据从运算放大器9输出的残留电压进行次数，充电设定，初始化以及随后的充电再分配。

3. 发明专利

JP2013165382A Logic signal isolation transmission circuit 有权
标题翻译：逻辑信号隔离传输电路
公开(公告)号：JP2013165382A
公开(公告)日：2013-08-22
申请号：JP2012027141
申请日：2012-02-10
申请人： Denso Corp , 株式会社デンソー
发明人： HONDA KAZUTAKA , MAKIHARA TETSUYA
IPC分类号： H03K19/0175 , H04L25/02
CPC分类号： H03K19/017545 , H01L2224/48137 , H01L2924/13091 , H03K19/018521 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide a logic signal isolation transmission circuit that reduces power consumption by using a logic circuit dispensing with a steady state current.SOLUTION: A high voltage capacitor 3a blocks a direct current of an output digital signal of a drive circuit 2, and a latch circuit 4a holds an inverted output digital signal of the high voltage capacitor 3a. Specifically, the latch circuit 4a comprises MOS transistors M1-M4 for turning on/off a supply voltage Vc complementarily.
摘要翻译：要解决的问题：提供一种通过使用分配稳态电流的逻辑电路来降低功耗的逻辑信号隔离传输电路。解决方案：高压电容器3a阻挡驱动电路2的输出数字信号的直流电并且锁存电路4a保持高压电容器3a的反相输出数字信号。具体地，锁存电路4a包括用于互补地接通/断开电源电压Vc的MOS晶体管M1-M4。

4. 发明专利

JP2011217252A Amplifier circuit, signal processor circuit, and semiconductor integrated circuit device 有权
标题翻译：放大器电路，信号处理器电路和半导体集成电路器件
公开(公告)号：JP2011217252A
公开(公告)日：2011-10-27
申请号：JP2010085151
申请日：2010-04-01
申请人： Denso Corp , 株式会社デンソー
发明人： HONDA KAZUTAKA , MAKIHARA TETSUYA , HORIE MASUMI
IPC分类号： H03F3/45
CPC分类号： H03F3/45183 , H03F3/45192 , H03F3/45659 , H03F2200/261 , H03F2203/45404 , H03F2203/45421 , H03F2203/45424 , H03F2203/45434 , H03F2203/45512 , H03F2203/45514 , H03F2203/45544 , H03F2203/45726 , H03F2203/45728
摘要： PROBLEM TO BE SOLVED: To provide an amplifier circuit to be switchable between a single end output configuration and a differential output configuration without increasing a circuit area.SOLUTION: When switches S1 and S4 are turned off and a switch S2 is turned on, a load circuit 11 functions as an active load on a differential pair 7 and an output terminal 12 is internally disconnected. Thus, an amplifier circuit 1 is provided with a single end output configuration, differentially amplifies input voltages Vinp and Vinm input to input terminals 8 and 9 and outputs an imbalanced signal Vo from an output terminal 13. When the switches S1 and S4 are turned on and the switch S2 is turned off, the load circuit 11 functions as a load of the differential pair 7, and the output terminal 12 is internally connected. Thus, the amplifier circuit 1 is provided with a differential output configuration, differentially amplifies the input voltages Vinp and Vinm input to the input terminals 8 and 9 and outputs balanced signals Vom and Vop from the output terminals 12 and 13.
摘要翻译：要解决的问题：提供在单端输出配置和差分输出配置之间可切换的放大器电路，而不增加电路面积。解决方案：当开关S1和S4关闭并且开关S2接通时，负载电路11用作差分对7上的有源负载，并且输出端子12在内部断开。因此，放大器电路1具有单端输出配置，差分放大输入到输入端子8和9的输入电压Vinp和Vinm，并从输出端子13输出不平衡信号Vo。当开关S1和S4接通时并且开关S2断开时，负载电路11用作差分对7的负载，并且输出端子12内部连接。因此，放大器电路1被提供有差分输出配置，差分放大输入到输入端子8和9的输入电压Vinp和Vinm，并从输出端子12和13输出平衡信号Vom和Vop。

5. 发明专利

JP2014070987A Voltage detector 有权
标题翻译：电压检测器
公开(公告)号：JP2014070987A
公开(公告)日：2014-04-21
申请号：JP2012216780
申请日：2012-09-28
申请人： Denso Corp , 株式会社デンソー
发明人： HONDA KAZUTAKA
IPC分类号： G01R19/00 , H02J7/02
摘要： PROBLEM TO BE SOLVED: To perform self diagnosis of the capacitance change of a capacitor.SOLUTION: In voltage detection mode, SW6A and SW6B are turned on and SW53, SW54, SW81, and SW82 are turned off to put an inverter circuit 9 into a non-inverting state, and SW4A, SW4B and SW5 are turned off and SW51, SW52, SW3A, SW3B, SWB3, and SWB4 are turned on to set an electric charge. Then, SW51, SW52, SW3A, SW3B, SWB3, and SWB4 are turned off and SW4A, SW4B, and SW5 are turned on to detect VB4. In self diagnosis mode, SW51 and SW52 are turned off and SW5 and SWB4 are turned on to put the inverter circuit 9 into the non-inverting state. SW4A, SW4B, SW6A, and SW6B are turned off and SW53, SW54, SW81, SW82, SW3A, and SW3B are turned on to set the electric charge. Then, SW53, SW54, SW81, SW82, SW3A, and SW3B are turned off and SW4A, SW4B, SW6A, and SW6B are turned on to perform diagnosis with an output voltage.
摘要翻译：要解决的问题：对电容器的电容变化进行自我诊断。解决方案：在电压检测模式下，SW6A和SW6B导通，SW53，SW54，SW81和SW82关闭，将变频器电路9放入非反相状态，SW4A，SW4B，SW5截止，SW51，SW52，SW3A，SW3B，SWB3，SWB4导通，设定电荷。然后，SW51，SW52，SW3A，SW3B，SWB3，SWB4关闭，SW4A，SW4B，SW5导通，检测VB4。在自诊断模式下，SW51和SW52关闭，SW5和SWB4导通，使逆变器电路9处于非反相状态。 SW4A，SW4B，SW6A和SW6B关闭，SW53，SW54，SW81，SW82，SW3A和SW3B导通，设定电荷。然后，SW53，SW54，SW81，SW82，SW3A，SW3B关闭，SW4A，SW4B，SW6A，SW6B导通，以输出电压进行诊断。

6. 发明专利

JP2019090703A 電圧検出装置审中-公开
公开(公告)号：JP2019090703A
公开(公告)日：2019-06-13
申请号：JP2017219991
申请日：2017-11-15
申请人： DENSO CORP
发明人： HONDA KAZUTAKA
IPC分类号： G01R19/00
摘要：【課題】安定した回路状態で動作復帰するまでの時間を短縮しつつ、消費電流を低減する。【解決手段】電圧検出装置1は、電圧を検出する全差動構成の電圧検出回路2および電圧検出回路2の動作を制御する制御回路3を備える。電圧検出回路2は、スイッチトキャパシタ回路4、差動増幅器5、差動増幅器5の出力電圧の同相レベルを制御するコモンモードフィードバック回路6および差動増幅器5とコモンモードフィードバック回路6にバイアスを与えるバイアス回路7を備える。制御回路3は、電圧を検出する検出動作が断続的に行われるように電圧検出回路2の動作を制御する。また、制御回路3は、検出動作が行われていない停止状態から検出動作が行われている動作状態へと移行する遷移期間に、検出動作よりも実施時間が短い疑似検出動作が行われるように電圧検出回路2の動作を制御する。【選択図】図1

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