-
公开(公告)号：US11784593B2
公开(公告)日：2023-10-10
申请号：US17650635
申请日：2022-02-10
Applicant: DENSO CORPORATION
Inventor： Masao Kimura
Abstract: A power supply controller works to control electrical power supplied to a surroundings monitor including an in-vehicle camera and an image processor which monitors surroundings of a vehicle using an output from the in-vehicle camera. The power supply controller includes a voltage monitor which determines whether an operating voltage for the image processor lies in a normal voltage range and an abnormal voltage range. Until a given threshold changing condition is met after start of power supply to the surroundings monitor, the voltage monitor alters at least one of an upper limit threshold and a lower limit threshold of the normal voltage range to decrease a difference between the upper and lower limit thresholds to be lower than that after the given threshold changing condition is satisfied. This ensures the stability in supplying electrical power to the surroundings monitor without restricting an operation of the surroundings monitor more than required.
-
公开(公告)号：US09560946B2
公开(公告)日：2017-02-07
申请号：US12441878
申请日：2007-09-10
Applicant: David John Hawker , George Francis Paul Oakham
Inventor： David John Hawker , George Francis Paul Oakham
CPC classification number: A47L9/2884 , A47L5/24 , A47L9/2842 , H02P7/291
Abstract: A motor driving apparatus for a cleaning appliance includes a battery source and a power controller. The battery source supplies the power controller with an output having a first voltage which decreases as the battery source is discharged. The power controller modulates the output to produce a drive signal for driving a motor that has a second voltage and a variable duty cycle. The power controller increases the duty cycle of the drive signal as the first voltage decreases in order to maintain the second voltage at a substantially constant average value per unit time. By providing the above arrangement, the motor can be supplied with a constant voltage throughout the available run time of the battery. When forming part of a cleaning appliance having a motor, the above arrangement allows the motor to operate at a substantially constant speed throughout the run time of the battery.
Abstract translation: 用于清洁器具的电动机驱动装置包括电池源和电力控制器。 电池源向功率控制器提供具有随着电池源被放电而减小的第一电压的输出。 功率控制器调制输出以产生用于驱动具有第二电压和可变占空比的电动机的驱动信号。 当第一电压降低时，功率控制器增加驱动信号的占空比，以便将第二电压维持在每单位时间基本上恒定的平均值。 通过提供上述布置，可以在整个电池的可用运行时间期间为电动机提供恒定的电压。 当形成具有电动机的清洁器具的一部分时，上述布置允许电动机在电池的整个运行时间内以基本恒定的速度运行。
-
公开(公告)号：US20160024832A1
公开(公告)日：2016-01-28
申请号：US14874046
申请日：2015-10-02
Applicant: Won-Door Corporation
Inventor： Duane O. Hall , E. Carl Goodman , W. Michael Coleman , John G. Garrett, III
IPC: E05F15/632 , H02P29/00 , E05D15/06 , E04B2/74 , E05F15/70
CPC classification number: E05F15/632 , E04B2/74 , E05D15/0652 , E05F15/70 , E05Y2900/142 , H02P6/14 , H02P7/291 , H02P7/2913 , H02P29/10
Abstract: A movable partition system includes a movable partition including coupled panels and a lead post engaged with and movable along a track. A motor control system includes a motor coupled to the movable partition and a switching circuit coupled to the motor and for selectively coupling the motor to a positive power source and a negative power source responsive to one or more PWM signals. An encoder is configured for generating one or more rotation signals indicative of operational direction and operational speed of the motor. A motor controller is coupled to the switching circuit and is configured for improving airflow around the panels of the movable partition when the lead post of the movable partition is between a predefined position and a fully retracted position indicative of a billowing effect for the panels by adjusting pulse widths of the PWM signals to control rotational speed of the motor.
Abstract translation: 可移动分隔系统包括可移动分隔件，其包括联接面板和与轨道接合并可移动的引导柱。 电动机控制系统包括耦合到可移动隔板的电动机和耦合到电动机的开关电路，并且用于根据一个或多个PWM信号选择性地将电动机耦合到正电源和负电源。 编码器被配置为产生指示电动机的操作方向和操作速度的一个或多个旋转信号。 电动机控制器耦合到开关电路并且被配置为当可移动隔板的引导柱位于预定位置和完全缩回位置之间时改善围绕可移动隔板的面板的气流，从而指示面板的滚动效应通过调节 PWM信号的脉冲宽度来控制电机的转速。
-
公开(公告)号：US20150061562A1
公开(公告)日：2015-03-05
申请号：US14474888
申请日：2014-09-02
Applicant: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHO
Inventor： Masanori FUJII
IPC: H02H7/08
CPC classification number: H02H7/0844 , H02P7/291 , H02P29/027
Abstract: A motor drive unit includes a motor drive circuit that drives a motor by controlling on/off of current, a control unit generating a drive command signal for driving the motor, a current feedback circuit with the motor and outputs a comparison output signal based on comparison between a current detection signal of a motor current and a target value signal, a latch circuit that latches a current detection result based on the drive command signal and the comparison output signal, and a gate circuit for driving the motor drive circuit based on the drive command signal and a latch output signal output from the latch circuit. The control unit detects a failure of a current feedback system including the current feedback circuit and the latch circuit according to a state of the latch output signal inputted after a time measured based on the drive command signal reaches a predetermined time.
Abstract translation: 电机驱动单元包括通过控制电流的导通/关断来驱动电动机的电动机驱动电路，产生用于驱动电动机的驱动指令信号的控制单元，与电动机的电流反馈电路，并基于比较输出比较输出信号 在电动机电流的电流检测信号和目标值信号之间，基于驱动指令信号和比较输出信号来锁存电流检测结果的锁存电路和用于基于驱动来驱动电动机驱动电路的门电路 指令信号和从锁存电路输出的锁存输出信号。 控制单元根据在基于驱动命令信号测量的时间达到预定时间之后输入的锁存输出信号的状态来检测包括电流反馈电路和锁存电路的电流反馈系统的故障。
-
公开(公告)号：US07038412B2
公开(公告)日：2006-05-02
申请号：US10949783
申请日：2004-09-23
Applicant: Arno Karwath , Jörg Hornberger , Frank Jeske , Hermann Rappenecker , Hansjörg Kaltenbrunner
Inventor： Arno Karwath , Jörg Hornberger , Frank Jeske , Hermann Rappenecker , Hansjörg Kaltenbrunner
IPC: H02P7/06
CPC classification number: H02P7/29 , G05B2219/33119 , H02P6/08 , H02P6/20 , H02P6/21 , H02P6/28 , H02P7/291 , Y10S388/90 , Y10S388/903 , Y10S388/904
Abstract: An arrangement having an electric motor (10) has a microcontroller (12) for influencing at least one motor function and a nonvolatile storage element (14) for storing at least one variable as a definition for that motor function. The arrangement also has an interface (13a) for a data line (13) for transferring the at least one variable, in particular a current limiting value (Iref) from or to a storage element (14) by way of the microcontroller (12), and optionally by way of an internal data bus (15). The invention also relates to use of the device in the context of batteries of fans, and program-controlled current limitation for startup of an electric motor (10).
Abstract translation: 具有电动机（10）的装置具有用于影响至少一个电动机功能的微控制器（12）和用于存储至少一个变量作为该电动机功能的定义的非易失性存储元件（14）。 该装置还具有用于数据线（13）的接口（13a），用于将至少一个变量，特别是电流限制值（I SUB ref ref）传送到存储元件（14） ），并且可选地通过内部数据总线（15）。 本发明还涉及在风扇电池的上下文中使用该装置，以及用于启动电动机（10）的程序控制的电流限制。
-
Patent Agency Ranking
公开(公告)号：US20050035733A1
公开(公告)日：2005-02-17
申请号：US10949783
申请日：2004-09-23
Applicant: Arno Karwath , Jorg Hornberger , Frank Jeske , Hermann Rappenecker , Hansjorg Kaltenbrunner
Inventor： Arno Karwath , Jorg Hornberger , Frank Jeske , Hermann Rappenecker , Hansjorg Kaltenbrunner
CPC classification number: H02P7/29 , G05B2219/33119 , H02P6/08 , H02P6/20 , H02P6/21 , H02P6/28 , H02P7/291 , Y10S388/90 , Y10S388/903 , Y10S388/904
Abstract: An arrangement having an electric motor (10) has a microcontroller (12) for influencing at least one motor function and a nonvolatile storage element (14) for storing at least one variable as a definition for that motor function. The arrangement also has an interface (13a) for a data line (13) for transferring the at least one variable, in particular a current limiting value (Iref) from or to a storage element (14) by way of the microcontroller (12), and optionally by way of an internal data bus (15). The invention also relates to use of the device in the context of batteries of fans, and program-controlled current limitation for startup of an electric motor (10).
Abstract translation: 具有电动机（10）的装置具有用于影响至少一个电动机功能的微控制器（12）和用于存储至少一个变量作为该电动机功能的定义的非易失性存储元件（14）。 该布置还具有用于通过微控制器（12）将至少一个变量特别是电流限制值（Iref）从存储元件（14）传送到存储元件（14）的数据线（13）的接口（13a） ，并且可选地通过内部数据总线（15）。 本发明还涉及在风扇电池的上下文中使用该装置，以及用于启动电动机（10）的程序控制的电流限制。
-
公开(公告)号：US4492905A
公开(公告)日：1985-01-08
申请号：US472291
申请日：1983-03-04
Applicant: Jean-Francois Pfister
Inventor： Jean-Francois Pfister
Abstract: In order to obtain very long operating autonomy without maintenance, with low power consumption and low wear and tear, both the energizing and de-energizing of a DC motor are controlled by an electronic switching circuit providing bounce-free switching. A switching-on control circuit actuates the switching circuit, causing it to energize the motor. A switching-off control device, comprising a rotary component connected to the motor shaft and including contact elements responsive to the position of the rotary component, actuates the switching circuit to cut off the power supply to the motor after the rotary component has rotated through a predetermined angle. The arrangement is advantageous for driving apparatus which is not easily accessible and lacks reliable mains power. Another useful particularity consists in a multiple plug device whereby the rate of intermittent driving may be varied within the range of 1 day to 31 days.
Abstract translation: 为了在没有维护的情况下获得非常长的运行自主性，低功耗和低磨损，直流电机的通电和断电都由提供无跳变开关的电子开关电路控制。 接通控制电路致动开关电路，使其对电动机通电。 一种关闭控制装置，包括连接到电动机轴并且包括响应于旋转部件的位置的接触元件的旋转部件，在旋转部件旋转通过一个旋转部件之后，致动开关电路以切断对电动机的电力供应 预定角度。 该装置对于不容易接近并且缺乏可靠的主电源的驱动装置是有利的。 另一个有用的特殊性在于多插头装置，其中间歇驾驶的速率可以在1天至31天的范围内变化。
-
公开(公告)号：US4334176A
公开(公告)日：1982-06-08
申请号：US103645
申请日：1979-09-11
Applicant: Kenneth A. Baumgartner , Grant C. Melocik , Keith A. Stoller
Inventor： Kenneth A. Baumgartner , Grant C. Melocik , Keith A. Stoller
Abstract: In the control of two or more electrical devices powered by a common battery and each actuated by a separate controlled rectifier chopper circuit, at least one of which is an SCR chopper circuit, under high stress conditions requiring both electrical devices to be repeatedly and rapidly turned on and off it has been found that control over the SCR chopper circuit can be lost due to inherent inductive effects which prevent the charging of the commutating capacitor of the SCR chopper to at least full open circuit battery voltage. This problem is met by inhibiting the occurrence of an "off" actuation control signal to the SCR chopper circuit for a given period of time before and a given period of time after an "on" actuation control signal to the other chopper circuit. Thus, in a battery powered lift truck, for example, having a drive motor and a lift pump motor each actuated by an independent SCR chopper circuit, an "on" actuation control signal to the drive motor circuit is sensed and any "off" actuation control signal to the lift pump motor circuit is inhibited for a few hundred microseconds before and a few hundred microseconds after the drive motor circuit is actuated to allow the battery to return to at least full open circuit voltage before the pump motor circuit is turned off.
Abstract translation: PCT No.PCT / US79 / 00738 Sec。 371 1979年9月11日 102（e）1979年9月11日PCT PCT申请日1979年9月11日PCT公布。 公开号WO81 / 00796 日期为1981年3月19日。在控制由普通电池供电且由单独的可控整流器斩波电路驱动的两个或多个电气设备中，其中至少一个是SCR斩波电路，在高应力条件下， 已经发现，要重复并快速地打开和关闭的装置已经发现，由于固有的电感效应，可能会损失对SCR斩波电路的控制，这些电感效应阻止了SCR斩波器的换向电容器的充电至少达到了完整的开路电池电压。 通过在向另一个斩波电路的“接通”致动控制信号之后的给定时间段和给定时间段之前，通过禁止向SCR斩波电路发出“关闭”致动控制信号来实现该问题。 因此，在电动助力起重车中，例如具有由独立的SCR斩波电路驱动的驱动电动机和提升泵电动机，感测到到驱动电动机电路的“接通”致动控制信号，并且任何“关闭”致动 在驱动电动机电路被致动之前和数百微秒之前，对提升泵电动机电路的控制信号被禁止几百微秒，以允许电池在泵电动机电路关闭之前返回至少完整的开路电压。
-
公开(公告)号：US4208622A
公开(公告)日：1980-06-17
申请号：US897422
申请日：1978-04-18
Applicant: Tuneo Yanagida
Inventor： Tuneo Yanagida
CPC classification number: H02P7/291
Abstract: A motor circuit of a tape recorder comprises a mechanical switch in which a movable contact is connected to a first contact in response to the depression of a recording or reproduction button, and also to a second contact in response to the depression of a fast feeding or rewinding button. A motor control circuit is connected to a D.C. power source through the first contact of the mechanical switch to provide a motor speed suitable for the recording or reproduction. An output terminal of a constant voltage circuit connected to the D.C. power source is connected to the motor through a switching transistor. The switching transistor is rendered conducting in response to the closing of the second contact of the mechanical switch, causing an output from the constant voltage circuit to be supplied to the motor to rotate the motor at a high speed suitable for the fast feeding or rewinding.
Abstract translation: 磁带录放机的电动机电路包括机械开关，其中响应于按压记录或再现按钮，可动触点连接到第一触点，并且还响应于快速进给或 倒带按钮 马达控制电路通过机械开关的第一接触连接到直流电源，以提供适合于记录或再现的电机速度。 连接到直流电源的恒压电路的输出端子通过开关晶体管连接到电动机。 开关晶体管响应于机械开关的第二触点的闭合而导通，导致来自恒压电路的输出被提供给马达，以适于快速进给或倒带的高速旋转马达。
-
公开(公告)号：US4153864A
公开(公告)日：1979-05-08
申请号：US839497
申请日：1977-10-05
Applicant: Hiroshi Minakuchi
Inventor： Hiroshi Minakuchi
CPC classification number: H02P7/291 , Y10S388/922
Abstract: An AC feedback circuit is interconnected through a choke coil between the input and output lines of a motor drive circuit so that negative feedback may be effected at a low frequency close to the cutoff frequency of the control system, and positive feedback may be effected at a high frequency. The carrier signal or the high frequency signal for controlling the switching may be generated within the drive circuit. Thus a switching type speed regulator which is simple in construction yet has high efficiency may be provided.
Abstract translation: AC反馈电路通过电动机驱动电路的输入和输出线之间的扼流圈互连，使得负反馈可以在接近控制系统的截止频率的低频下进行，正反馈可以在 高频。 可以在驱动电路内产生用于控制切换的载波信号或高频信号。 因此，可以提供结构简单但效率高的开关式速度调节器。
-
-
-
-
-
-
-
-
-
Search Results
77
records
(took 0.021 seconds)
