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Electric supply device for vehicle

A technology for power supply devices and vehicles, which is applied to circuit devices, electric power devices, battery circuit devices, etc., can solve problems such as difficulty in ensuring voltage and difficulty in starting an engine, and achieve the effects of ensuring startability, low cost, and improving startability.

Inactive Publication Date: 2005-11-02
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, since electric energy is supplied to the battery, it is difficult to ensure the voltage for driving the components of the fuel supply system and the ignition system, making it more difficult to start the engine

Method used

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  • Electric supply device for vehicle
  • Electric supply device for vehicle
  • Electric supply device for vehicle

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Experimental program
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Embodiment Construction

[0028] Embodiments of the present invention will be described below with reference to the drawings. The drawing is viewed in the direction of the symbol.

[0029] Fig. 1 is the side view of the vehicle carrying the power supply device of the present invention, as the motorcycle 10 of the vehicle is provided with the switch 12 of the starting device at the steering wheel 11, the steering wheel 11 below is provided with the main switch 13, inside the front cover 14 A CDI (Capacitor Discharge Ignition) device 16 for igniting the engine 15 is provided, a battery 21 is arranged in the bottom cover 18 below the vehicle seat 17, and a power unit 24 composed of an engine 15 with an ignition spark plug 22 and a power transmission mechanism 23 is arranged. A kick starting pedal 25 as a kick starting device is provided, and a fuel pump 27 as a fuel supply system is provided in a fuel tank (not shown) below the bottom plate 26 . 31 and 32 are headlights and taillights as electrical loads...

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PUM

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Abstract

The invention relates to vehicle power supply device.A battery disconnection relay 42 for switching on / off electric connection between a battery 21 and an AC generator 33 is provided for a circuit which interconnects the battery 21 and the AC generator 33, and the battery disconnection relay 42 is switched off by control means 55 when a kick pedal is used to start an engine. Upon starting of the engine, electric power generated by the AC generator is not supplied to the battery but can be supplied to parts of a fuel supply system and an ignition system, and a voltage necessary to activate the parts of the fuel supply system and the ignition system can be ensured. Accordingly, the starting performance of the engine can be improved irrespective of the state of the battery.

Description

technical field [0001] The present invention relates to a vehicle power supply device capable of improving the engine startability of a battery-mounted vehicle. Background technique [0002] A vehicle power supply device that does not supply electric energy obtained by a generator to a part of the electric load when starting the engine is disclosed in, for example, Japanese Unexamined Patent Application Publication No. 7-103112 "Control Device for Lightening Electric Components When Starting a Battery-less Vehicle". [0003] In Fig. 1 of the above-mentioned publication, there is described a load reduction device 1 for electrical components during startup, which supplies the voltage generated by the generator 3 to the ignition device 4 and the load power supply control mechanism 5, and simultaneously passes the switching mechanism 7 to the power supply control mechanism 5 from the load power supply control mechanism 5. Other loads 6 supply power. [0004] For example, when t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R16/033B60K1/04B60R16/02B60R16/03B62J99/00F02N3/04F02N11/04F02N11/08H02J1/00H02J7/14H02P9/04H02P9/08H02P9/30
CPCY02T10/7005Y02T10/70H02J7/1415H02P9/08H02P9/30F02N3/04F02N11/08B60R16/02
Inventor 大田淳朗柳泽毅森和彦鸟山正雪
Owner HONDA MOTOR CO LTD
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