Charging generator with self-diagnosis function
First Claim
1. A charging generator circuit, comprising a generator having an armature winding and a field winding and adapted to be driven by an engine, and a voltage adjustment unit for adjusting the output voltage of said generator by controlling field currents of said field winding, said generator adapted to provide an output to charge a battery wherein said voltage adjustment unit comprises:
- self-diagnosis means, for diagnosing a control circuit of said voltage adjustment unit;
storage means in said self-diagnosis means, for storing data concerning states of said charging generator circuit, including diagnosis results; and
output means for outputting data stored in said storage means, including the stored diagnosis results, in response to receipt of a stored-data-output-requiring signal received from outside said charging generator circuit.
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Accused Products
Abstract
A charging generator having a self-diagnosis function includes a self-diagnosis circuit, a storage device and an output device. When an anomaly is detected, the charging generator with a self-diagnosis function stores data concerning at least one anomalous condition of the generator and the contents of the anomaly in the storage device, and outputs the anomalous data concerning the generator or the contents of the anomaly, which are stored in the storage device, by inputting a specific signal from the outside.
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Citations
12 Claims
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1. A charging generator circuit, comprising a generator having an armature winding and a field winding and adapted to be driven by an engine, and a voltage adjustment unit for adjusting the output voltage of said generator by controlling field currents of said field winding, said generator adapted to provide an output to charge a battery wherein said voltage adjustment unit comprises:
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self-diagnosis means, for diagnosing a control circuit of said voltage adjustment unit; storage means in said self-diagnosis means, for storing data concerning states of said charging generator circuit, including diagnosis results; and output means for outputting data stored in said storage means, including the stored diagnosis results, in response to receipt of a stored-data-output-requiring signal received from outside said charging generator circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A charging generator circuit adapted to be driven by an engine of a vehicle for feeding currents to loads, comprising a generator;
- a voltage adjustment unit for adjusting the output voltage of said generator by controlling field currents of a field winding of said generator; and
a battery charged by outputs of said generator, wherein said voltage adjustment circuit comprising;self-diagnosis means, for diagnosing a control circuit of said voltage adjustment unit; and storage means in said self-diagnosing means, for storing data concerning states of said charging generator circuit, including diagnosis results provided by said self-diagnosis means, wherein said storage means maintains the data stored therein capable of being read out when said voltage adjustment unit is taken out from the vehicle.
- a voltage adjustment unit for adjusting the output voltage of said generator by controlling field currents of a field winding of said generator; and
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10. A charging generator circuit comprising a generator adapted to be driven by an engine of a vehicle, for feeding currents to loads;
- and a voltage adjustment unit, for adjusting the output voltage of said generator by controlling field currents of a field winding of said generator, said generator adapted to provide an output to charge a battery, wherein said voltage adjustment unit comprises;
self-diagnosis means, for diagnosing a control circuit of said voltage adjustment unit; storage means in said self-diagnosis means, for storing data concerning states of said charging generator circuit, including diagnosis results; an information display device connected to said storage means and adapted to be installed in the vehicle, for displaying the stored data; and output means connected to said self diagnosis means and adapted to be connected to a utilizing device outside the vehicle, for outputting the stored data to the outside utilizing device. - View Dependent Claims (11)
- and a voltage adjustment unit, for adjusting the output voltage of said generator by controlling field currents of a field winding of said generator, said generator adapted to provide an output to charge a battery, wherein said voltage adjustment unit comprises;
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12. A voltage adjustment unit for adjusting the output voltage of a generator which charges a battery in a vehicle by controlling field currents of the generator, said voltage adjustment unit comprising:
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self-diagnosis means, for diagnosing a control circuit of said voltage adjustment unit; storage means in said self-diagnosing means for storing data concerning states of said voltage adjustment unit, the generator, and the battery, including diagnosis results; output means for outputting data stored in said storage means, including the stored diagnosis results, in response to receipt of a stored-data-output-requiring signal received from outside the voltage adjustment unit; and a control circuit for controlling the output voltage of the generator in response to the stored state data, the voltage of the battery, the field currents, the rotation speed of the generator, and an outside control signal.
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Specification