Dual voltage power system for use with vehicle alternators and the like
阅读：931发布：2023-03-19
专利汇可以提供Dual voltage power system for use with vehicle alternators and the like专利检索，专利查询，专利分析的服务。并且There is disclosed herein a dual voltage power unit for use in automobiles, campers, and the like for normally supplying the relatively low DC voltage from an alternator to a storage battery and other electrical devices of the vehicle and for supplying a higher voltage, such as 115 volts, for external usage such as for lighting, emergency power, and so forth. Several circuits are disclosed herein for providing a dual output DC voltage, or for providing a low DC voltage and a higher AC voltage at 60 hertz. The system includes a rectifier circuit coupled with the output of an alternator for normally providing the usual automotive DC voltage, such as 14.5 volts. A load sensor and control circuit are provided for sensing the demand for the higher voltage and for controlling rectifier circuits to supply the same.，下面是Dual voltage power system for use with vehicle alternators and the like专利的具体信息内容。
1. A power system for use with vehicle alternators and the like for providing a first voltage output and a second higher voltage output, comprising rectifier means adapted to be coupled with a vehicle alternator for supplying first and second rectified voltage outputs, said rectifier means comprising a first group of rectifier for rectifying the alternator output voltage and providing said first rectified voltage output for normal vehicle usage, and a second group of rectifiers for rectifying the alternator output voltage and providing said second rectified voltage output of higher voltage than said first rectified voltage output load sensor means coupled with said rectifier means and responsive to a demand for said higher voltage for causing said rectifier means to supply said higher voltage, plug means coupled between said rectifier means and said load sensor means for receiving said higher voltage, and voltage regulator means responsive to said first and second rectified outputs and adapted to be coupled to said alternator for regulating the output of said alternator.
2. A system as in claim 1 including, throttle solenoid means adapted to be coupled with the throttle of a vehicle for controlling the engine speed thereof, said throttle solenoid means being coupled with and responsive to said load sensor means.
3. A system as in claim 1 wherein, said first group of rectifiers comprises silicon controlled rectifiers having their anode-cathode circuit coupled to supply said first rectified voltage output and having gate electrodes, said load sensor being coupled to said gate electrodes of said silicon controlled rectifiers.
4. A system as in claim 3 including, rectifier means coupled between the load sensor means and said gates of said silicon controlled rectifiers, and said load sensor means comprises switching means responsive to the demand for said higher voltage for lowering the voltage applied to said gates.
5. A system as in claim 3 including, throttle solenoid means adapted to be coupled to control the engine speed of a vehicle, said throttle solenoid means being coupled to and responsive to said load sensor means.
6. A system as in claim 1 wherein said first group of rectifiers comprises a plurality of silicon controlled rectifiers having their anode-cathode circuits coupled to supply said first rectified voltage output and having gate electrodes, impedance means coupled with the second group of rectifiers for supplying said second rectified voltage output to the gates of said silicon controlled rectifiers for normally causing said silicon controlled rectifiers to supply said first rectified voltage output, and means coupling said gates to the output of said load sensor means for causing said silicon controlled rectifiers to turn off upon demand for said higher voltage.
7. A system as in claim 6 wherein said impedance means comprises a plurality of resistances having first terminals respectively coupled with said gates and second terminals connected to a common terminal, and means coupling said common terminal to the output of said first group of rectifiers, and said means coupling the output of said load sensor mEans to said gates comprises a plurality of rectifiers having first terminals respectively coupled with said gates and second terminals coupled with the output of said load sensor means.
8. A system as in claim 1 wherein said first group of rectifiers comprises a plurality of silicon controlled rectifiers having their anode-cathode circuits coupled to supply said first rectified voltage output and having gate electrodes, means coupled between said second group of recti-fiers and said gates comprising a plurality of resistances having first terminals respectively coupled to said gates and second terminals connected to a common terminal, and a resistance coupled between said common terminal and the output of said second group of rectifiers, and means coupling the output of said load sensor means with said common terminal.
9. A system as in claim 1 wherein said second rectified output is a modulated alternating current output, and including oscillator control means coupled to said rectifier means for causing said rectifier means to provide alternating current output upon demand therefor.
10. A power system for use with vehicle alternators and the like for providing a first voltage output for vehicle usage and a second higher voltage output, comprising rectifier means adapted to be coupled with a vehicle alternator for rectifying the alternator output and supplying first and second rectified voltage outputs, said rectifier means comprising a first group of rectifiers including silicon controlled rectifiers having their anode-cathode circuit coupled to supply said first rectified voltage output and having gate electrodes, and comprising a second group of rectifiers for supplying said second rectified voltage output of higher voltage than said first rectified voltage output, plug means coupled with the output of said second group of rectifiers for receiving said higher voltage, load sensor means coupled with said plug means and to said first group of rectifiers for causing said higher voltage to be supplied to said plug means upon demand at said plug means for said higher voltage, said load sensor means including switching means for causing a reduction of the voltage on said gates of said silicon controlled rectifiers, and impedance means coupling the output of said load sensor means with said gates of said silicon controlled rectifiers and including rectifier means coupling said output of said load sensor means with the output of said first group of rectifiers.
11. A power system for use with vehicle alternators and the like for providing a first voltage output and a second higher voltage output comprising rectifier means adapted to be coupled with a vehicle alternator for receiving the alternator output and supplying first and second voltage outputs, said first voltage output being a substantially low level DC output and said second voltage output being a substantially higher alternating voltage output, said rectifier means comprising a first group of rectifiers for providing said first voltage output for normal vehicle useage, and a second group of rectifiers for providing said second higher voltage output, plug means coupled with said rectifier means for receiving said higher voltage output upon demand therefor, and control means coupled between said plug means and said rectifier means for causing said higher voltage output to be supplied from said rectifier means upon demand at said plug means therefor, said control means including load sensor means coupled with said plug means for providing a control signal and oscillator means responsive to said load sensor means coupled with said rectifier means.
12. In a dual voltage power supply system for use with a vehicle alternator for providing a first out-put voltage and a second higher output voltage, the improvement comprising silicon controlled rectifier means having an anode-cathode circuit coupled to receive an alternating voltage and provide a first output voltage to a load, said rectifier means including a control gate, means coupling said gate to receive said alternating voltage, output circuit means to which said second higher voltage is supplied, switching means coupled with said output circuit means and responsive to demand for said second higher voltage for reducing the voltage on said gate to turn off said silicon controlled rectifier means, and means coupling said switching means to said gate.
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