An automatic power-off control system
A control system and automatic power-off technology, used in electric traction, electric vehicles, electrical devices, etc., can solve the problems of easy forgetting, the car can not start normally, the inconvenience of the car owner, etc., to improve safety and stability, avoid car Can not start, realize the effect of intelligent management
Inactive Publication Date: 2016-01-06
力帆科技(集团)股份有限公司
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Problems solved by technology
[0003] Traditional power management mainly uses mechanical operations such as manually removing the battery terminal harness or removing the power connector. The degree of intelligence is low, the operation is difficult, and it is easy to forget. If the car is left standing for a long time, the battery will be over-discharged. Unable to start normally, causing great inconvenience to the owner
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[0014] The specific implementation manner and working principle of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown, an automatic power-off control system includes a power input interface 1 and a power output interface 2. For automotive power management, the power output interface 2 is provided with two outputs of a power output interface A and a power output interface B. A first MOS switch 3 is connected in series between the power input interface 1 and the power output interface A, a second MOS switch 3' is connected in series between the power input interface 1 and the power output interface B, and the first MOS switch 3 and the second MOS The switch control terminal of the switch 3' is connected to the two output pins of the micro-controller 4 in one-to-one correspondence, and one input pin of the micro-controller 4 is connected to the instruction input interface 5 of the diagn...
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The invention discloses an automatic power interruption control system, which comprises a power input interface and a power output interface. The automatic power interruption control system is characterized in that: a MOS (Metal Oxide Semiconductor) switch is connected in series between the power input interface and the power output interface, the switching control end of the MOS switch is connected with the output pin of a microcontroller, one input pin of the microcontroller is connected with a diagnostic apparatus instruction input interface, the microcontroller controls the switching state of the MOS switch according to a system state instruction inputted via the diagnostic apparatus instruction input interface, and thereby the connection and disconnection between the power input interface and the power output interface are controlled. The automatic power interruption control system has the outstanding advantage that the automatic power interruption control system can be used in intelligent automobile power management, and can intelligently manage automobile power by detecting the system state of an automobile in real time and controlling the on-off of a power supply circuit, thus preventing the failure of the starting of the automobile as the result of long-time discharge and enhancing the safety and stability of a power supply system.
Description
technical field [0001] The invention relates to a power management system, in particular to an automatic power-off control system. Background technique [0002] Driven by the development of automobile technology and electronic technology, more and more electronic products are applied to automobiles, thereby improving the safety, stability, comfort and entertainment of automobiles. The power supply is a major part of the car, and the battery is usually used to power the car. When the car is in the process of storage and transportation or in a long-term static state, the power supply needs to be interrupted to avoid battery loss and prolong the life of the battery. [0003] Traditional power management mainly uses mechanical operations such as manually removing the battery terminal harness or removing the power connector. The degree of intelligence is low, the operation is difficult, and it is easy to forget. If the car is left standing for a long time, the battery will be ove...
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IPC IPC(8): B60L3/00B60L11/18
CPCY02T10/70
Inventor 孙静卢军波熊立军
Owner 力帆科技(集团)股份有限公司