Electricity-saving method of vehicle-mounted CAN bus network

A technology of CAN bus and network, which is applied to the power saving of vehicle CAN bus network, and the field of vehicle CAN bus network, which can solve the problems of the car not starting, wasting energy, power supply energy exhaustion, etc., and achieve the effect of maintaining stability
CN101700762AActive Publication Date: 2010-05-05南通迈程汽车技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
南通迈程汽车技术有限公司
Publication Date
2010-05-05

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Abstract

The invention provides an electricity-saving method of vehicle-mounted CAN bus network, belonging to the electronic technical field. The method solves the problem that electric energy is transported to existing automobile electric equipment no matter the equipment works or not to cause electric energy waste. The electricity-saving method of the vehicle-mounted CAN bus network is as follows: a CAN bus is provided with controller modules used as nodes, and the method can lead the control modules to enter a low power consumption mode in the case of no operational requirement under program setting, can switch each controller module among various states, thereby achieving the electricity-saving purpose when the controller modules are in the low power consumption state in the case of no tasks required to be processed.
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Description

technical field

[0001] The invention belongs to the field of electronic technology, and relates to a vehicle-mounted CAN bus network, in particular to a power-saving method for the vehicle-mounted CAN bus network. Background technique

[0002] With the rapid development of automotive electronics, the number of electrical equipment and controller modules in the car continues to increase, even reaching hundreds of advanced cars. The power supply system of the traditional automotive CAN bus control module and the power supply input of other power devices are directly supplied by the automotive power supply. In the traditional way, power is supplied to these electrical devices regardless of whether they are needed or not. Although the energy consumption of non-working devices is very low, a considerable amount of energy must be wasted for a long time.

[0003] Because the power of the storage battery on the car is limited, if the car is not used for a long time, the power suppl...

Claims

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