Electric automobile controller power supply self-sustaining system
A vehicle controller, electric vehicle technology, applied in vehicle components, circuits or fluid pipelines, transportation and packaging, etc., can solve problems such as increasing failure risk, increasing cost and power consumption, meeting functional safety requirements, reducing Hardware cost and the effect of power-off delay
Active Publication Date: 2014-01-15
深蓝汽车科技有限公司
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Problems solved by technology
This solution increases cost and power consumption, and also increases the risk of failure
Method used
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[0017] The present invention will be further described below in conjunction with accompanying drawing:
[0018] Such as figure 1 The electric vehicle controller power supply self-holding system shown includes a vehicle controller system power supply 101, a main processor 102, a transceiver 103, a monitoring unit power supply 104, a monitoring unit 105 and an SPI bus 106;
[0019] The vehicle controller system power supply 101 includes a first enable pin EN1, a second enable pin EN2 and a third enable pin EN3, the first enable pin EN1 is electrically connected to the key switch IGN_ON, and the second enable pin EN2 It is electrically connected with the monitoring unit, and the third enabling pin EN3 is electrically connected with the transceiver. The first enabling pin EN1, the second enabling pin EN2 and the third enabling pin EN3 of the vehicle controller system power supply 101 are in an "or" logic relationship. When at least one of the enabling pins is valid, the vehicle c...
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The invention discloses an electric automobile controller power supply self-sustaining system which comprises an automobile controller system power supply, a master processor, a transceiver, a monitoring unit power supply and a monitoring unit. The automobile controller system power supply, the monitoring unit power supply and the transceiver are charged with constant electricity. The automobile controller system power supply comprises a first enabling pin, a second enabling pin and a third enabling pin which are respectively and electrically connected with a key switch, the monitoring unit and the transceiver. When one or more of the enabling pins are effective, the master processor is powered on through the automobile controller system power supply. When all of enabling pins are invalid, the master processor is powered off through the automobile controller system power supply. The monitoring unit power supply is electrically connected with the monitoring unit and supplies power for the monitoring unit. The master processor is electrically connected with the monitoring unit, and after the master processor is powered on and works, the monitoring unit monitors operation of the master processor. The electric automobile controller power supply self-sustaining system can achieve powering-off delay of the automobile controller and ensures the integrity of functions of an automobile control system.
Description
technical field [0001] The invention belongs to vehicle control technology, and in particular relates to an electric vehicle vehicle controller power supply self-maintaining system. Background technique [0002] With the depletion of global oil resources and the improvement of emission requirements, new energy vehicles, which are more economical and environmentally friendly than conventional vehicles, have become the design focus of major automobile manufacturers. With the characteristics of low energy consumption and zero pollution, hybrid electric vehicles or pure electric vehicles have become the primary choice of many automobile manufacturers. [0003] For hybrid or pure electric vehicles, the vehicle controller controls the vehicle power system and other important sub-components, which is related to the safety and energy efficiency of the vehicle. In the vehicle system, in order to reduce the quiescent current and prevent the small battery from losing power, when the v...
Claims
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IPC IPC(8): B60R16/02
Inventor 胡伟徐福祥肖利华李宗华苏岭
Owner 深蓝汽车科技有限公司