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公开(公告)号：US06936988B2
公开(公告)日：2005-08-30
申请号：US10930961
申请日：2004-09-01
CPC分类号： H02H7/0851 , E05F15/41 , E05Y2400/31 , E05Y2400/53 , H02H3/006 , H02H3/44
摘要： A power-window jamming preventing apparatus, includes a current sensing circuit, which senses a motor current flowing through a motor for driving a window glass; a current limiting circuit, which increases and decreases the motor current based on a current-limitation control signal outputted from the current sensing circuit when an amount of increase of the motor current exceeds a predetermined vale; a jamming determining circuit, which determines a jamming of a foreign matter in the window glass based on increase of the motor current to reverse a rotation of the motor; and a charge/discharge controlling circuit which monitors a voltage level of a charge/discharge controlling signal, and controls a charging/discharging circuit to keep a third reference voltage constant when the charge/discharge controlling signal having one of voltage levels is continuously outputted for a predetermined time.
摘要翻译： 电动车窗防堵装置包括电流检测电路，其检测流过用于驱动窗玻璃的电动机的电动机电流; 电流限制电路，当电动机电流的增加量超过预定值时，基于从电流检测电路输出的电流限制控制信号增加和减少电动机电流; 干扰确定电路，其基于电动机电流的增加来确定窗玻璃中的异物的卡住以反转电动机的旋转; 以及充电/放电控制电路，其监视充放电控制信号的电压电平，并且当连续输出具有一个电压电平的充放电控制信号时，控制充电/放电电路使第三参考电压保持恒定，以便 一个预定的时间。
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公开(公告)号：US06940246B2
公开(公告)日：2005-09-06
申请号：US10933359
申请日：2004-09-03
CPC分类号： H02P29/02 , E05F15/41 , E05Y2400/31 , E05Y2400/53 , H02H3/006 , H02H7/0851
摘要： A power-window jamming preventing apparatus, includes a current sensing circuit, which senses a motor current flowing through a motor; a current limiting circuit, which increases and decreases the motor current based on a current-limitation control signal outputted from the current sensing circuit when an amount of increase of the motor current exceeds a predetermined vale; and a jamming determining circuit, which determines a jamming of a foreign matter in the window glass, and a potential difference generating circuit, which monitors a power source voltage supplied to the current sensing circuit and the power window motor, and which clamps a third reference voltage so as to drop a constant voltage from the third reference when the power source is low such that a potential difference between the second reference voltage and the third reference voltage is kept greater than a predetermined voltage.
摘要翻译： 一种电动窗口防止装置，包括感测电动机电流的电流检测电路; 电流限制电路，当电动机电流的增加量超过预定值时，基于从电流检测电路输出的电流限制控制信号增加和减少电动机电流; 以及干扰确定电路，其确定窗玻璃中的异物的卡住;以及电位差产生电路，其监测提供给电流感测电路和电动车窗电动机的电源电压，并且钳位第三参考 电压使得当电源为低时从第三参考电压降低恒定电压，使得第二参考电压和第三参考电压之间的电位差保持大于预定电压。
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公开(公告)号：US06876531B2
公开(公告)日：2005-04-05
申请号：US10309106
申请日：2002-12-04
CPC分类号： H02H7/0844
摘要： A device for detecting failure of a field effect transistor (FET) includes a first FET1 connected in series with a motor M between a power source terminal and ground, a motor control unit 11 for on/off controlling a voltage to be applied to said motor to set normal/reverse operation and stopping of said motor, a gate control unit for on/off controlling a gate voltage to be applied to said FET to control driving of said motor, a voltage applying means VB, R1 for applying a positive voltage at a prescribed voltage level to the current input terminal of the FET; a voltage detecting unit CMP1 for detecting the voltage level of the positive voltage thus applied when said gate voltage is off; and a failure detecting unit 14 for detecting short-circuiting failure of the FET on the basis of a change in the voltage level detected by said voltage detecting unit when said gate voltage is off while said motor stops. In this configuration, failure of the FET for controlling driving of the motor can be detected both when the motor stops and operates.
摘要翻译： 用于检测场效应晶体管（FET）的故障的装置包括与电源端与地之间的电动机M串联连接的第一FET1，用于开/关控制施加到所述电动机的电压的电动机控制单元11 设定正常/反向操作和停止所述电动机;门控制单元，用于开/关控制施加到所述FET的栅极电压以控制所述电动机的驱动;电压施加装置VB，R1，用于施加正电压 对FET的电流输入端施加规定的电压电平; 电压检测单元CMP1，用于检测当所述栅极电压关闭时施加的正电压的电压电平; 以及故障检测单元14，用于当所述电机停止时，基于所述电压检测单元检测到的电压电平的变化来检测FET的短路故障。 在这种结构中，当马达停止并运行时，可以检测用于控制马达驱动的FET的故障。
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公开(公告)号：US20050083003A1
公开(公告)日：2005-04-21
申请号：US10933359
申请日：2004-09-03
CPC分类号： H02P29/02 , E05F15/41 , E05Y2400/31 , E05Y2400/53 , H02H3/006 , H02H7/0851
摘要： A power-window jamming preventing apparatus, includes a current sensing circuit, which senses a motor current flowing through a motor; a current limiting circuit, which increases and decreases the motor current based on a current-limitation control signal outputted from the current sensing circuit when an amount of increase of the motor current exceeds a predetermined vale; and a jamming determining circuit, which determines a jamming of a foreign matter in the window glass, and a potential difference generating circuit, which monitors a power source voltage supplied to the current sensing circuit and the power window motor, and which clamps a third reference voltage so as to drop a constant voltage from the third reference when the power source is low such that a potential difference between the second reference voltage and the third reference voltage is kept greater than a predetermined voltage.
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公开(公告)号：US20050067987A1
公开(公告)日：2005-03-31
申请号：US10930961
申请日：2004-09-01
CPC分类号： H02H7/0851 , E05F15/41 , E05Y2400/31 , E05Y2400/53 , H02H3/006 , H02H3/44
摘要： A power-window jamming preventing apparatus, includes a current sensing circuit, which senses a motor current flowing through a motor for driving a window glass; a current limiting circuit, which increases and decreases the motor current based on a current-limitation control signal outputted from the current sensing circuit when an amount of increase of the motor current exceeds a predetermined vale; a jamming determining circuit, which determines a jamming of a foreign matter in the window glass based on increase of the motor current to reverse a rotation of the motor; and a charge/discharge controlling circuit which monitors a voltage level of a charge/discharge controlling signal, and controls a charging/discharging circuit to keep a third reference voltage constant when the charge/discharge controlling signal having one of voltage levels is continuously outputted for a predetermined time.
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公开(公告)号：US07009352B2
公开(公告)日：2006-03-07
申请号：US10933526
申请日：2004-09-03
IPC分类号： H02P3/00
CPC分类号： H02H7/0851 , E05F15/41 , E05F15/695 , E05Y2900/55 , H02H3/006
摘要： A current sensing circuit includes; a shunt resistor, on which a motor current is flown; a reference resistor which has a resistance value that is n times the shunt resistor; and a current following circuit. The current following circuit includes: a following current control circuit, which controls the following current and generates a first reference voltage; and a capacitor which generates a second reference voltage indicating an average value of the first reference voltage. A first comparator compares a third reference voltage higher than the first reference voltage with the second reference voltage, and outputs the current limitation control signal. A motor current sensing range expanding circuit expands a motor current sensing range by increasing a ratio of the current sensing circuit having the shunt resistor and the reference resistor.
摘要翻译： 电流检测电路包括： 电动机电流流过的分流电阻器; 一个参考电阻，其电阻值是分流电阻的n倍; 和电流跟随电路。 电流跟随电路包括：后续电流控制电路，其控制以下电流并产生第一参考电压; 以及产生表示第一参考电压的平均值的第二参考电压的电容器。 第一比较器将比第一参考电压高的第三参考电压与第二参考电压进行比较，并输出电流限制控制信号。 电动机电流感测范围扩大电路通过增加具有分流电阻器和参考电阻器的电流感测电路的比例来扩大电动机电流感测范围。
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公开(公告)号：US20050083004A1
公开(公告)日：2005-04-21
申请号：US10933526
申请日：2004-09-03
CPC分类号： H02H7/0851 , E05F15/41 , E05F15/695 , E05Y2900/55 , H02H3/006
摘要： A current sensing circuit includes; a shunt resistor, on which a motor current is flown; a reference resistor which has a resistance value that is n times the shunt resistor; and a current following circuit. The current following circuit includes: a following current control circuit, which controls the following current and generates a first reference voltage; and a capacitor which generates a second reference voltage indicating an average value of the first reference voltage. A first comparator compares a third reference voltage higher than the first reference voltage with the second reference voltage, and outputs the current limitation control signal. A motor current sensing range expanding circuit expands a motor current sensing range by increasing a ratio of the current sensing circuit having the shunt resistor and the reference resistor.
摘要翻译： 电流检测电路包括： 电动机电流流过的分流电阻器; 一个参考电阻，其电阻值是分流电阻的n倍; 和电流跟随电路。 电流跟随电路包括：后续电流控制电路，其控制以下电流并产生第一参考电压; 以及产生表示第一参考电压的平均值的第二参考电压的电容器。 第一比较器将比第一参考电压高的第三参考电压与第二参考电压进行比较，并输出电流限制控制信号。 电动机电流感测范围扩大电路通过增加具有分流电阻器和参考电阻器的电流感测电路的比例来扩大电动机电流感测范围。
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公开(公告)号：US07196486B2
公开(公告)日：2007-03-27
申请号：US10334724
申请日：2003-01-02
IPC分类号： H02P1/04
CPC分类号： H02H7/0851 , H02H3/006 , H02H3/44
摘要： An apparatus for detecting an obstacle to a power regulated window, which can detect existence of an obstacle by a method of differential current at low rotating speed of a motor and reduce a force of biting an obstacle and prevent from detecting an obstacle unexpectedly at high rotating speed, includes current detecting means for detecting a value of load current flowing through the motor, reference-value generating means for generating a reference value correspondingly to rotating speed of the motor for judging when the value of load current exceeds a predetermined value of over-load current, and comparing means for judging whether or not the value of load current exceeds the reference value.
摘要翻译： 一种用于检测功率调节窗口的障碍物的装置，其可以通过电动机的低转速下的差动电流的方法来检测障碍物的存在，并且减小咬合障碍物的力并防止在高旋转时意外地检测障碍物 速度包括用于检测流过电动机的负载电流值的电流检测装置，基准值发生装置，用于产生与电动机的转速相对应的参考值，用于判断负载电流的值何时超过预定值的过电压， 以及用于判断负载电流值是否超过基准值的比较装置。
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公开(公告)号：US08262374B2
公开(公告)日：2012-09-11
申请号：US12167612
申请日：2008-07-03
申请人： Yuichi Nakazawa , Akinobu Kubota , Masaaki Sato , Takanori Haraki
发明人： Yuichi Nakazawa , Akinobu Kubota , Masaaki Sato , Takanori Haraki
摘要： A motor pump for a headlamp cleaner includes a motor, a control circuit board for driving the motor, an impeller rotatable by the motor, a plurality of terminal pieces adapted to be coupled to an outside connector, and a casing. The casing includes a pump chamber having a washer fluid suction port and a discharge port and inside which the impeller is accommodated, a motor housing chamber disposed above the pump chamber and inside which the motor is accommodated, a board housing chamber inside which the control circuit board is accommodated, and a connector portion extending outwardly in a cylindrical shape and inside which the plurality of terminal pieces extends. The connector portion is provided such that one of the terminal pieces is directly coupled to the motor.
摘要翻译： 一种用于前照灯清洁器的马达泵，包括马达，用于驱动马达的控制电路板，由马达旋转的叶轮，适于联接到外部连接器的多个端子片和壳体。 壳体包括具有洗涤剂流体吸入口和排出口并且内部容纳叶轮的泵室，设置在泵室上方并且内部容纳电动机的电动机容纳室，其中控制电路 并且连接器部分向外延伸成圆柱形并且多个端子件延伸在其内部。 连接器部分设置成使得一个端子件直接联接到电动机。
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公开(公告)号：US20090010787A1
公开(公告)日：2009-01-08
申请号：US12167612
申请日：2008-07-03
申请人： Yuichi Nakazawa , Akinobu Kubota , Masaaki Sato , Takanori Haraki
发明人： Yuichi Nakazawa , Akinobu Kubota , Masaaki Sato , Takanori Haraki
IPC分类号： F04D13/06
摘要： A motor pump for a headlamp cleaner includes a motor, a control circuit board for driving the motor, an impeller rotatable by the motor, a plurality of terminal pieces adapted to be coupled to an outside connector, and a casing. The casing includes a pump chamber having a washer fluid suction port and a discharge port and inside which the impeller is accommodated, a motor housing chamber disposed above the pump chamber and inside which the motor is accommodated, a board housing chamber inside which the control circuit board is accommodated, and a connector portion extending outwardly in a cylindrical shape and inside which the plurality of terminal pieces extends. The connector portion is provided such that one of the terminal pieces is directly coupled to the motor.
摘要翻译： 一种用于前照灯清洁器的马达泵，包括马达，用于驱动马达的控制电路板，由马达旋转的叶轮，适于联接到外部连接器的多个端子片和壳体。 壳体包括具有洗涤剂流体吸入口和排出口并且内部容纳叶轮的泵室，设置在泵室上方并且内部容纳电动机的电动机容纳室，其中控制电路 并且连接器部分向外延伸成圆柱形并且多个端子件延伸在其内部。 连接器部分设置成使得一个端子件直接联接到电动机。
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