Internet-of-Vehicles terminal power control method
A power control and vehicle networking technology, applied in the direction of efficient vehicle charging, vehicle components, circuits or fluid pipelines, etc., can solve problems affecting user experience, long wake-up time, long working time, etc., to improve customer experience, Prolonged standby time, scientific and reasonable design
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Embodiment 1
[0027] see figure 1 , the power control method of the Internet of Vehicles terminal of the present invention, a built-in power management module in the Internet of Vehicles terminal is responsible for realizing the power-on, power-off, sleep, and wake-up functions of the vehicle-mounted functional modules, and provides reliable and low-energy for the entire system (Internet of Vehicles terminal, TBOX). Consumption voltage logic operation control strategy, the voltage logic operation control strategy is divided into three working states:
[0028] Normal: full working mode, realizing the power-on, power-off, sleep and wake-up of the on-board functional modules;
[0029] Standby: Low power consumption mode, support background GPRS wake-up, CAN wake-up;
[0030] Ultra-low power consumption mode: support background SMS wake-up, CAN wake-up, charging wake-up;
[0031] After the system (Internet of Vehicles terminal) is normally powered on, there is actually an IGN_ON (vehicle igni...
Embodiment 2
[0035] see figure 1 The difference between the power supply control method of the Internet of Vehicles terminal in this embodiment and Embodiment 1 is that the time constants for Normal to enter Standby and Standby to enter ultra-low power consumption mode can be flexibly configured according to requirements, or algorithms can be freely added / modified to help Analyze the user's behavior habits; the power-on sequence of the vehicle-mounted functional modules can also be flexibly configured to ensure that the power-on sequence is always conducive to the startup of the system (Internet of Vehicles terminal);
[0036] In the ultra-low power consumption state, when other wake-up sources except RTC meet the conditions, the system (Internet of Vehicles terminal) will start the system in the order of starting the communication module first, and then start the rest of the hardware, and enter the Normal mode; ultra-low power sleep The wake-up sources of the module are CAN (CAN bus signa...
Embodiment 3
[0038] see figure 1, the power control method of the Internet of Vehicles terminal in this embodiment differs from Embodiment 1 or Embodiment 2 in that each working mode has a pre / transition state when entering another working mode to ensure perfect Control all the state transition process; once the pre / transition state of the working mode transition is abnormal, the power management module can quickly detect the abnormality and report the abnormality through the communication module for personnel analysis; at the same time, there are self-resetting measures for the abnormal state, once detected If there is a serious abnormality, reset measures will be taken to try to repair it, so as to ensure the stability of the vehicle system;
[0039] If the reset measures cannot be resolved, the power will be turned off forcibly, and the user will be notified of the abnormality in advance on the APP, which ensures the safety of the user and avoids the battery from losing power due to the...
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