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Automobile power supply control system

A technology for control systems and automotive power supplies, applied in the field of vehicles, can solve the problem of inability to automatically achieve dynamic balance of generators, batteries and vehicle loads, and achieve the goal of reducing design capacity, extending service life, and reducing vehicle weight and cost. Effect

Active Publication Date: 2014-05-28
BAIC MOTOR CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that existing vehicles cannot automatically realize the dynamic power balance between generators, storage batteries and vehicle loads, the present invention provides an automotive power supply control system

Method used

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Embodiment Construction

[0035] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0036] Such as figure 1 As shown, it is a structural block diagram of an automobile power supply control system according to an embodiment of the present invention, and the automobile power supply management control includes:

[0037] The battery current sensor is used to obtain the charging and discharging current of the car battery;

[0038] The body controller is connected with the battery, the battery current sensor and the engine management system, and is used to obtain the current, voltage and temperature of the battery to obtain the current SOC of the battery and send it to the engine management system;

[0039] The engine management system is connected with the generator intelligent voltage regulation controller, and is used to send the target v...

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Abstract

The invention belongs to the technical field of vehicles, and discloses an automobile power supply control system. The automobile power supply control system comprises a storage battery current sensor, an automobile body controller and an engine management system, wherein the automobile body controller is connected with a storage battery, the storage battery current sensor and the engine management system and is used for acquiring current, voltage and temperature of the storage battery so as to obtain the current SOC (state of charge) of the storage battery; the engine management system is connected with an intelligent generator voltage regulation controller and is used for sending a target voltage control instruction to the intelligent generator voltage regulation controller according to the current SOC of the storage battery so as to enable the intelligent generator voltage regulation controller to adjust the voltage of a generator to be the target voltage according to the control instruction; the engine management system sends the control instruction to the automobile body controller according to the current SOC of the storage battery, so that the automobile body controller controls the working state of a comfortable electrical appliance load and / or the working state of an air conditioner according to the control instruction. According to the automobile power supply control system, the design of the generator and the storage battery is optimized; the design capacity of the device is reduced; the weight and the cost of the whole automobile are lowered.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to an automobile power supply control system. Background technique [0002] As consumers have increasingly higher requirements for vehicle safety, environmental protection and intelligence, OEMs have gradually added many electronic and electrical configuration functions to vehicles in order to meet people's needs for diverse vehicle functions, resulting in an increase in vehicle electrical equipment and power consumption. Increase, it is more difficult to achieve the dynamic balance of vehicle power. [0003] Traditional economical vehicles have no power management system, and can only increase the capacity of the generator and battery to ensure the dynamic balance of the vehicle's power. When the vehicle is running, the generator voltage regulator monitors the battery voltage, and adjusts the output voltage level by controlling the generator excitation current on and off. Vehicle load con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/14H02P9/14B60R16/033
CPCY02T10/70
Inventor 石刚胡留成李春雨韩超张永刚
Owner BAIC MOTOR CORP LTD
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