US 9,434,385 B2 · Charge control device, vehicle control device, vehicle, charge control method and vehicle control method

Abstract

A charge control device for a battery is mounted on a vehicle, the vehicle comprises an engine, a generator driven with power of the engine, the battery configured to be chargeable with electric power generated by the generator, and auxiliary machinery operated with electric power of the battery. The charge control device comprises: a load condition detector that is configured to detect a load condition of the auxiliary machinery; and a charge controller that is configured to control charging into the battery, based on the load condition of the auxiliary machinery, wherein in response to detection of a state change from a state in which a magnitude of the load of the auxiliary machinery is smaller than a predetermined threshold value to a state in which a magnitude of the load is larger than the predetermined threshold value, the charge controller controls a generated voltage by the generator based on the magnitude of the load of the auxiliary machinery prior to the state change during a time period until a specified time has elapsed after the detection of the state change, and the charge controller controls a generated voltage by the generator based on a magnitude of the load of the auxiliary machinery detected by the load condition detector during a time period after elapse of the specified time.

Claims7

Dependent claims

A charge control device for a battery mounted on a vehicle, the vehicle comprising an engine, a generator driven with power of the engine, the battery configured to be chargeable with electric power generated by the generator, and auxiliary machinery operated with electric power of the battery, the charge control device comprising:

a load condition detector that is configured to detect a load condition of the auxiliary machinery;
and
a charge controller that is configured to control charging into the battery, based on the load condition of the auxiliary machinery, wherein
in response to detection of a state change from a state in which a magnitude of the load of the auxiliary machinery is smaller than a predetermined threshold value to a state in which a magnitude of the load is larger than the predetermined threshold value,
the charge controller controls a generated voltage by the generator based on the magnitude of the load of the auxiliary machinery prior to the state change during a time period until a specified time has elapsed after the detection of the state change, and
the charge controller controls a generated voltage by the generator based on a magnitude of the load of the auxiliary machinery detected by the load condition detector during a time period after elapse of the specified time.

3 more elements

A control method for a vehicle, the vehicle comprising an engine, a generator driven with power of the engine, a battery configured to be chargeable with electric power generated by the generator, and auxiliary machinery operated with electric power of the battery, the control method comprising the steps of:

(a) detecting magnitude of a load of the auxiliary machinery;
(b) determining whether there is a state change from a state in which a magnitude of the load of the auxiliary machinery is smaller than a predetermined threshold value to a state in which a magnitude of the load is larger than the predetermined threshold value;
and
(c) controlling charging into the battery based on the magnitude of the load of the auxiliary machinery, wherein
in response to detection of the state change from the state in which a magnitude of the load of the auxiliary machinery is smaller than the predetermined threshold value to the state in which a magnitude of the load is larger than the predetermined threshold value in the step (b),
in the step (c), a generated voltage by the generator is controlled based on the magnitude of the load of the auxiliary machinery prior to the state change during a time period until a specified time has elapsed after the detection of the state change, while
a generated voltage by the generator is controlled based on the detected magnitude of the load of the auxiliary machinery during a time period after elapse of the specified time.

4 more elements

Dependencies are inferred from the claim text.

Charge control device, vehicle control device, vehicle, charge control method and vehicle control method

Life of this patent

Charge control device, vehicle control device, vehicle, charge control method and vehicle control method

Life of this patent

Abstract

Claims7