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Power supply applied to automobile

A technology of power supply and automobile, applied in the field of power supply, it can solve problems such as affecting the safety of automobiles

Inactive Publication Date: 2013-10-09
HEFEI ECRIEE TAMURA ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the car key is in the Start and ACC gears, the camera and navigator take power from the battery normally, but when the battery or ACC battery is suddenly abnormal, the camera and GPS navigator cannot work, which affects the safety of the car

Method used

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  • Power supply applied to automobile
  • Power supply applied to automobile
  • Power supply applied to automobile

Examples

Experimental program
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Embodiment Construction

[0010] figure 1 is the schematic diagram of the circuit working in battery backup mode, when figure 1 When the single-chip microcomputer U4 detects that the car battery or ACC battery is normal, it turns off figure 1 The middle Q4 tube does not allow the backup battery to supply power, and is directly powered by figure 2 The INPUT in the supply car camera and GPS navigator, but also through figure 2 The SEPIC circuit in the back-up battery charges when the figure 1 After the single-chip microcomputer U4 detects that the battery is fully charged, it will send a signal to close the SEPIC circuit, thereby stopping charging the battery. when figure 1 When the single-chip microcomputer U4 in the battery detects that the car battery or the ACC battery is suddenly abnormal, the single-chip microcomputer sends a signal to close the SEPIC circuit, stops charging the battery, and turns on at the same time figure 1 The Q4 tube in the middle allows the backup battery to supply powe...

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PUM

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Abstract

The invention discloses a power supply applied to automobiles. The power supply comprises a power supply part, a vehicle-mounted device, a charger, a battery electric quantity detection and protection device, an uninterrupted controller and a storage battery. As an uninterrupted power supply function can be added to the power supply, when the battery or an accumulator (ACC) cannot work, the vehicle-mounted device still can work. The power supply can be used for solving the problem that when a conventional automobile power supply system is abnormal, the power cannot be continuously supplied.

Description

technical field [0001] The invention relates to a power supply, in particular to a power supply applied to automobiles. Background technique [0002] At present, the camera and GPS navigator in the car are all directly powered from the battery inside the car. When the car key is in the Start and ACC gears, the camera and navigator normally get power from the battery, but when the battery or ACC battery is suddenly abnormal, the camera and GPS navigator cannot work, which affects the safety of the car. Contents of the invention [0003] In order to overcome the deficiency of the existing automobile power supply system, the present invention can add a function of uninterrupted power supply. When the battery or ACC storage battery is suddenly abnormal, the camera and GPS navigator can still continue to work. [0004] In order to accomplish the above object, the technical solution adopted by the present invention is: when the car battery or the ACC battery are normal, the car...

Claims

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Application Information

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IPC IPC(8): H02J9/06H02J7/00
Inventor 姜啸向伟炜万静龙陆学军祝彬徐杰钱晓东
Owner HEFEI ECRIEE TAMURA ELECTRIC