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公开(公告)号：US4491779A
公开(公告)日：1985-01-01
申请号：US541242
申请日：1983-10-12
申请人： Robert W. Campbell , Donald O. Ruff
发明人： Robert W. Campbell , Donald O. Ruff
CPC分类号： H02J7/1423 , Y02T10/7005
摘要： A multivoltage electrical system for a motor vehicle that has a pair of storage batteries which, in a first charging mode are charged in series from the direct voltage output terminals of a bridge rectifier connected to an alternating current generator. In a second charging mode, only one of the batteries is charged and this takes place when a plurality of controlled rectifiers connecting the generator and a common junction of the batteries are gated conductive. The switching between modes is a function of the voltage of one of the batteries and the voltage of a triangular voltage waveform generator operating at a fixed frequency. The system is maintained in the second mode when generator speed is below a predetermined value.
摘要翻译： 一种用于机动车辆的多电压电气系统，其具有一对蓄电池，其在与第一充电模式相连接的交流发电机的桥式整流器的直流电压输出端串联充电。 在第二充电模式中，只有一个电池被充电，并且当连接发电机的多个受控整流器和电池的公共接点被选通时，会发生这种情况。 模式之间的切换是电池中的一个的电压和以固定频率工作的三角形电压波形发生器的电压的函数。 当发电机速度低于预定值时，系统保持在第二模式。
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公开(公告)号：US4730097A
公开(公告)日：1988-03-08
申请号：US050582
申请日：1987-05-15
申请人： Robert W. Campbell , Donald O. Ruff
发明人： Robert W. Campbell , Donald O. Ruff
CPC分类号： H05B3/84 , B60S1/026 , G05D23/1912 , H05B1/0236 , H05B2203/035
摘要： A windshield heater element for an automotive vehicle is controlled to provide a maximum power deice mode of operation and a reduced power defog mode of operation. The deice mode of operation is initiated in response to an operator actuated deice command and is terminated in response to the first to occur of expiration of a predetermined time period after initiation, or an operator actuated off command. The defog mode of operation is initiated in response to termination of a preceding deice mode of operation provided that such termination was not in response to an operator actuated off command, or an operator actuated defog command. The defog mode of operation is terminated in response to the first to occur of expiration of a predetermined time period after initiation provided that such initiation was not in response to an operator actuated defog command, or an operator actuated off command. Further, the deice mode of operation is permitted only when the vehicle transmission is in the park or neutral state, and the idle speed of the engine is raised above the normal idle speed to ensure that the power produced by the engine driven generator is adequate to meet the combined power requirement of the windshield heater element and other vehicle loads during the deice mode of operation. Additionally, the energization of the heater element is terminated or prohibited in response to detection of an abnormally high windshield temperature condition, an abnormally low battery voltage condition, an abnormally low heater current condition, or vehicle ignition shut-off.
摘要翻译： 控制用于机动车辆的挡风玻璃加热器元件以提供最大功率运行模式和减少的功率除雾操作模式。 操作模式响应于操作者致动的指令命令而启动，并且响应于启动之后的预定时间段的第一次到期而终止，或者操作者致动关闭命令。 除雾操作模式是响应于先前的操作模式的终止而启动的，只要这种终止不响应于操作者致动关闭命令或操作者致动的除雾指令。 响应于起动后的预定时间段的第一次到期，停止除雾操作模式，只要这种启动不响应于操作者启动的除雾指令或操作者致动关闭命令。 此外，仅当车辆变速器处于停车状态或空档状态时，才允许操作模式，并且发动机的怠速转速高于正常怠速，以确保由发动机驱动发电机产生的动力足以 在操作模式期间满足挡风玻璃加热器元件和其他车辆负载的组合功率要求。 此外，响应于检测到异常高的挡风玻璃温度条件，异常低的电池电压状况，异常低的加热器电流状况或车辆点火切断，加热器元件的通电被终止或禁止。
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公开(公告)号：US4780619A
公开(公告)日：1988-10-25
申请号：US050999
申请日：1987-05-15
CPC分类号： H02J7/1438 , Y10T307/718
摘要： A high DC voltage power supply includes a three-phase autotransformer and a three-phase full-wave rectifier applied to the usual motor vehicle electrical system of the low DC voltage type. The low three-phase AC voltage of the usual system is transformed by the autotransformer to obtain a high three-phase AC voltage which is then rectified by the rectifier to provide a high DC voltage. The load energized by the high DC voltage is ungrounded to reduce the voltage available for inadvertent discharge from either load terminal to ground. Switching apparatus is provided for selectively applying the low three-phase AC voltage to the autotransformer only when it is desired to energize the load thereby avoiding at all other times the energy losses that would otherwise be associated with energization of the autotransformer. In one embodiment, the load is a windshield heater element and the autotransformer has multiple sets of input taps to provide deice and defog modes of operation, respectively. The tapping of the autotransformer on the input or primary side yields efficiencies in the construction and operation of the autotransformer. The engine driven generator of the vehicle electrical system is excited from a voltage source independent of the low three-phase AC voltage put out by the generator, at least during any period that the generator is overloaded, thereby to prevent a degenerative collapse in the generator output voltage.
摘要翻译： 高直流电压电源包括三相自耦变压器和三相全波整流器，其应用于低直流电压型的通常机动车辆电气系统。 通常系统的低三相交流电压由自耦变压器变换，以获得高三相交流电压，然后由整流器进行整流，以提供高直流电压。 由高直流电压供电的负载不接地，以降低可用于从负载端子到接地的无意放电的电压。 提供开关装置，用于仅当需要对负载通电时选择性地将低三相AC电压施加到自耦变压器，从而在所有其他时间避免否则将与自耦变压器的通电相关联的能量损失。 在一个实施例中，负载是挡风玻璃加热器元件，并且自耦变压器分别具有多组输入抽头以提供操作模式和除雾模式。 自耦变压器在输入或初级端的开关在自耦变压器的结构和运行方面产生效率。 至少在发电机过载的任何时间段内，车载电气系统的发动机驱动发电机从电压源被激励，独立于由发电机输出的低三相交流电压，从而防止发电机的退化崩溃 输出电压。
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公开(公告)号：US4947053A
公开(公告)日：1990-08-07
申请号：US254348
申请日：1988-10-05
IPC分类号： H02J7/14
CPC分类号： H02J7/1438 , Y10T307/297
摘要： A high DC voltage power supply includes a three-phase autotransformer and a three-phase full-wave rectifier applied to the usual motor vehicle electrical system of the low DC voltage type. The low three-phase AC voltage of the usual system is transformed by the autotransformer to obtain a high three-phase AC voltage which is then rectified by the rectifier to provide a high DC voltage. The load energized by the high DC voltage is ungrounded to reduce the voltage available for inadvertent discharge from either load terminal to ground. Switching apparatus is provided for selectively applying the low three-phase AC voltage to the autotransformer only when it is desired to energize the load thereby avoiding at all other times the energy losses that would otherwise be associated with energization of the autotransformer. In one embodiment, the load is windshield heater element and the autotransformer has multiple sets of input taps to provide deice and defog modes of operation, respectively. The tapping of the autotransformer on the input or primary side yields efficiencies in the construction and operation of the autotransformer. In another embodiment, a current transformer is provided for measuring the AC current through one of the input and output leads of the autotransformer as an indication of the DC current through the load thereby to detect an abnormally low load current condition.
摘要翻译： 高直流电压电源包括三相自耦变压器和三相全波整流器，其应用于低直流电压型的通常机动车辆电气系统。 通常系统的低三相交流电压由自耦变压器变换，以获得高三相交流电压，然后由整流器进行整流，以提供高直流电压。 由高直流电压供电的负载不接地，以降低可用于从负载端子到接地的无意放电的电压。 提供开关装置，用于仅当需要对负载通电时选择性地将低三相AC电压施加到自耦变压器，从而在所有其他时间避免否则将与自耦变压器的通电相关联的能量损失。 在一个实施例中，负载是挡风玻璃加热器元件，并且自耦变压器分别具有多组输入抽头以提供操作模式和除雾模式。 自耦变压器在输入或初级端的开关在自耦变压器的结构和运行方面产生效率。 在另一个实施例中，提供电流互感器用于测量通过自耦变压器的输入和输出引线之一的交流电流作为通过负载的直流电流的指示，从而检测异常低的负载电流状况。
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公开(公告)号：US4829163A
公开(公告)日：1989-05-09
申请号：US153397
申请日：1988-02-08
申请人： Richard A. Rausch , Donald O. Ruff
发明人： Richard A. Rausch , Donald O. Ruff
CPC分类号： H02H5/10 , B32B17/10036 , B32B17/10174 , H05B3/86
摘要： An improvement is provided for an electrically heated glass panel of the type where a resistive film is disposed on the panel and is connected between and along the length of a pair of spaced bus bars each of which is terminated in a respective voltage input terminal and where one of the bus bars includes a connector section to which the resistive film is not connected extending from the input terminal of the bus bar to a junction point on the bus bar beyond which the resistive film is connected to the bus bar. A sensor conductor is disposed on the glass panel and connected from at or beyond the junction point on the one bus bar to a sensor terminal and extends generally adjacent to the connector section of the bus bar. Prior to applying a high voltage across the input terminals of the bus bars to energize the resistive film when it is desired to heat the glass panel, a low voltage incapable of producing an arc across any break in the connector section of the one bus bar is applied to the input terminal of such bus bar. The power supply is disabled in response to the presence of a predetermined voltage difference between the sensor terminal and the input terminal of the one bus bar indicating the presence of a break in the connector section of the bus bar so as to prevent the development of an arc across the break.
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公开(公告)号：US4041369A
公开(公告)日：1977-08-09
申请号：US641565
申请日：1975-12-17
CPC分类号： H02J7/166 , H02J7/1461 , Y10S320/13
摘要： A circuit for indicating faults in a storage battery charging system of the type including an alternator having a field winding and a rectifier circuit having respective battery charging and alternator field winding energizing output circuit terminals. A differential amplifier circuit, to which is applied normally equal reference sensing potentials which become unbalanced with alternator faults, produces a first fault indicating signal in the event of an alternator malfunction and a transistor having the control electrode connected to the rectifier circuit field winding energizing output circuit terminal produces a second fault indicating signal in the event of a failure of one of the diodes in the rectifier field winding energizing output circuit. These fault indicating signals trigger a transistor conductive to complete an energizing circuit for a fault indicating device.
摘要翻译： 一种用于指示包括具有励磁绕组的交流发电机和具有各自的电池充电和交流发电机励磁绕组激励输出电路端子的整流电路的蓄电池充电系统的故障的电路。 差分放大器电路，其正常地等于参考感测电位，其在交流发电机故障时变得不平衡，在交流发电机故障的情况下产生第一故障指示信号，并且具有控制电极的晶体管连接到整流器电路励磁励磁输出 电路端子在整流器励磁绕组通电输出电路中的二极管中的一个发生故障的情况下产生第二故障指示信号。 这些故障指示信号触发晶体管导通以完成故障指示装置的通电电路。
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7.发明授权Storage battery charging system with alternator output fault indicating circuit 失效蓄电池充电系统，交流发电机输出故障指示电路
公开(公告)号：US4000453A
公开(公告)日：1976-12-28
申请号：US641564
申请日：1975-12-17
IPC分类号： G01R19/165 , G01R31/00 , H02J7/14 , H02J7/16 , H02P9/00
CPC分类号： H02J7/166 , G01R19/1658 , G01R31/006 , H02J7/1461 , Y10S320/13
摘要： A circuit for indicating faults in a storage battery charging system of the type including a voltage regulator controlled alternator field winding switching transistor and a rectifier circuit having a diode trio which supplies alternator field winding energizing current. A differential amplifier circuit, to which is applied normally equal reference and sensing potentials which become unbalanced with alternator faults, produces a first fault indicating signal in the event of an alternator malfunction and a transistor having the control electrode connected to the output of the field winding diode trio of the rectifier circuit produces a second fault indicating signal in the event of a failure of one of these diodes. These fault indicating signals trigger a transistor conductive to complete an energizing circuit for a fault indicating device. Additionally, an oscillator flashes the fault indicating device "on" and "off" in the event of a voltage regulator failure.
摘要翻译： 一种用于指示包括电压调节器控制的交流发电机励磁绕组开关晶体管和具有提供交流发电机励磁绕组通电电流的二极管三极管的整流电路的蓄电池充电系统中的故障的电路。 一个差分放大器电路，通常使用相同的参考电压和感应电位，它们在发生交流发电机故障时变得不平衡，在发生交流发电机故障的情况下产生第一个故障指示信号，并且具有控制电极连接到励磁绕组的输出的晶体管 在这些二极管之一发生故障的情况下，整流电路的二极管三极管产生第二故障指示信号。 这些故障指示信号触发晶体管导通以完成故障指示装置的通电电路。 此外，在电压调节器故障的情况下，振荡器会将故障指示器“on”和“off”闪烁。
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