A power management device, a vehicle-mounted mobile terminal and a method for saving its power consumption
A power management device, vehicle-mounted mobile technology, applied in the direction of circuits or fluid pipelines, vehicle components, transportation and packaging, etc., can solve the problems of battery consumption, battery power exhaustion, and normal use of the car, so as to prevent power loss Waste, guarantee the effect of normal use
Active Publication Date: 2019-05-24
BEIJING QIHOO TECH CO LTD
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Problems solved by technology
If the car is not used for a short period of time, there is no problem, but if the car is not used for a long time (such as the user is on a business trip for a month, the car is parked in the garage for a month), and the driving recorder has been kept on during this period. If it is turned on, it will gradually consume the power in the battery, so there is a danger that the power in the battery will be exhausted, which will cause the car to not start normally and affect the normal use of the car
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[0050] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0051] figure 1 A schematic diagram of a power management device for a vehicle-mounted mobile terminal according to an embodiment of the present invention is shown. Such as figure 1 As shown, the power management device 100 for the vehicle-mounted mobile terminal includes: a micro control unit MCU110; Timer 114 for preset time.
[0052] The vehicle flameout / ignition detection unit 111 is adapted to send a first control signal to...
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A power supply management apparatus for use in a vehicle mobile terminal, a vehicle mobile terminal, and a method for reducing vehicle mobile terminal power consumption. The apparatus (100, 200) comprises a microcontroller unit (MCU) (110, 210); the MCU (110, 120) comprises an automobile on / off detecting unit (111, 211), a first power supply management unit (112, 212), a second power supply management unit (113, 213) and a timer (113, 214) timing a pre-determined time span; the automobile turn-off / turn-on detecting unit (111, 211) is configured to send a first control signal to the first power supply management unit (112, 212) and the second power supply management unit (113, 213) when it is detected that the automobile is turned off; after receiving the first control signal, the first power supply management unit (112, 212) controls a first type of functional module of a vehicle mobile terminal to power off; after receiving the first control signal, the second power supply management unit (113, 213) starts the timer (114, 214), and when a set time is reached, controls a second type of functional module of the vehicle mobile terminal to power off, so as to prevent the vehicle mobile terminal from emptying the power of a vehicle battery, ensuring that the automobile can operate normally.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to a power management device for a vehicle-mounted mobile terminal, a vehicle-mounted mobile terminal and a method for saving power consumption of the vehicle-mounted mobile terminal. Background technique [0002] In today's social life, some devices in the car or on-board mobile terminals need the battery inside the car to provide power, for example, the ACC ignition device of the car, the car driving recorder, etc. In order to realize the monitoring of the surrounding environment when the car stops running, the driving recorder in the prior art also keeps the open state after the car is turned off, which requires the battery inside the car to continuously supply power to the driving recorder. If the car is not used for a short period of time, there is no problem, but if the car is not used for a long time (such as the user is on a business trip for a month, the car is parked i...
Claims
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IPC IPC(8): B60R16/03
CPCB60R16/03Y02T10/92
Inventor 葛均辉李良潘全新
Owner BEIJING QIHOO TECH CO LTD