Voltage regulation system for automotive charging generator
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-007/14
H02P-009/30
출원번호
US-0071177
(1987-07-08)
우선권정보
JP-0159634 (1986-07-09)
발명자
/ 주소
Mashino Keiichi (Katsuta JPX)
출원인 / 주소
Hitachi, Ltd. (Tokyo JPX 03)
인용정보
피인용 횟수 :
3인용 특허 :
0
초록▼
A voltage regulation system for automotive charging generator comprising an armature winding, a field winding for supplying magnetic fluxes to the armature winding, a diode rectifier for converting the AC output of the armature winding linearly, a power MOS FET switching element connected in series
A voltage regulation system for automotive charging generator comprising an armature winding, a field winding for supplying magnetic fluxes to the armature winding, a diode rectifier for converting the AC output of the armature winding linearly, a power MOS FET switching element connected in series with the field winding for turning on and off the field current, a storage battery charged by the output of the diode rectifier, and a voltage detection circuit for detecting the voltage applied to the storage battery to turn on the power MOS FET switching element when the detected voltage is lower than a predetermined voltage and to turn off the switching element when the voltage applied to the storage battery is higher than the predetermined voltage. The voltage detection circuit includes a comparing circuit D-type flip-flop so as to compare the voltage of the storage battery with a reference voltage, and in accordance with the result of this comparision, generate a signal at the complementary output of the flip-flop for controlling the on and off of the power MOS FET switching element at a time point synchronous with the bottom of the AC output voltage.
대표청구항▼
A voltage regulation system for an automotive charging generator comprising an armature winding, a field winding for supplying magnetic fluxes to said armature winding, a rectifier for converting the AC output voltage of said armature winding linearly, switching means connected in series with said f
A voltage regulation system for an automotive charging generator comprising an armature winding, a field winding for supplying magnetic fluxes to said armature winding, a rectifier for converting the AC output voltage of said armature winding linearly, switching means connected in series with said field winding for turning on and off the field current, a storage battery charged by the output of the rectifier, and voltage detection means for detecting the voltage applied to the storage battery so as to turn on the switching means when the voltage thus detected is lower than a voltage set in advance and turn off said switching means when the voltage applied to the storage battery is higher than said set voltage, wherein said voltage detection means comprises comparing means for comparing the voltage of said storage battery with a first reference voltage, and a bistable means coupled to said comparing means and responsive to an input signal and a clock signal, corresponding to the AC output voltage generated from said armature winding, for outputting an output signal corresponding to one of said input signal and its complement synchronously with the clock signal, said bistable means holding said output signal until the next clock signal is inputted wherein said switching means turns on and off at a time synchronous with the bottom of the AC output voltage. A voltage regulation system for an automotive charging generator comprising an armature winding, a field winding for supplying magnetic fluxes to said armature winding, a rectifier for converting the AC output voltage of said armature winding linearly, switching means connected in series with said field winding for turning on and off the field current, a storage battery charged by the output of the rectifier, and voltage detection means for detecting the voltage applied to the storage battery so as to turn on the switching means when the voltage thus detected is lower than a voltage set in advance and turn off said switching means when the voltage applied to the storage battery is higher than said set voltage, wherein said voltage detection means includes a first means which compares the voltage of the storage battery with a first reference voltage and a bistable means, coupled to said first means, for providing a control signal for turning on and off the switching means at a time point synchronous with the bottom of the AC output voltage in accordance with the result of said comparison.
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이 특허를 인용한 특허 (3)
Taniguchi,Makoto, Control apparatus for on-vehicle generator that sends power from the battery to the field winding and from the field winding back to the battery.
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