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Power management circuit applied to passive keyless entry (PKE)

A technology of power management and key door, which is applied in anti-theft vehicle accessories, transportation and packaging, and vehicle parts. The effect of battery power consumption and frequency reduction

Active Publication Date: 2017-03-08
SHENZHEN BOJUXING IND DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the embodiment of the present invention is to provide a power management circuit applied to the keyless access control system, which aims to solve the problem that the existing PKE key is easy to run out of power, which will cause the owner to be locked out of the car door and cannot enter the car.

Method used

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  • Power management circuit applied to passive keyless entry (PKE)

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] figure 1 The circuit structure of the power management circuit applied to the keyless entry control system provided by the embodiment of the present invention is shown. For the convenience of description, only the parts related to the embodiment of the present invention are shown.

[0018] A power management circuit applied to a keyless access control system, the power management circuit applied to a keyless access control system comprising:

[0019] A wireless field power supply unit 1 that receives wireless energy emitted by the base station and converts it into a wireless power supply vo...

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Abstract

The invention belongs to the technical field of passive keyless entry (PKE) and particularly relates to a power management circuit applied to the passive keyless entry. The power management circuit can power the PKE in a non-contact manner from the transmitting terminal of a base station on a vehicle, wireless energy transmitted from the base station rather than a battery is used for power supply, power consumption of the battery is greatly saved, frequency in replacing the battery is decreased, the battery can be used as an emergency power supply, and the problem that an owner locked out of the vehicle door cannot get into the vehicle is solved.

Description

technical field [0001] The invention belongs to the technical field of keyless access control systems, and in particular relates to a power management circuit applied to keyless access control systems. Background technique [0002] With the continuous improvement of people's requirements for the comfort and safety of automobile products, many kinds of keyless entry anti-theft products appear on the market, usually including a keyless entry system (PKE, Passive Keyless Entry) base station connected through a serial port conversion box, Vehicle-mounted GPS anti-theft host, oil circuit lock actuator and circuit lock actuator, also includes a PKE key that matches the PKE base station, that is, without any operation, you only need to carry the smart PKE key to open the door and start the vehicle , and can guarantee the anti-theft performance of the car. In order to ensure the security of the system, the base station of the keyless entry system needs to constantly search for the ...

Claims

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Application Information

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IPC IPC(8): B60R25/40
CPCB60R25/406
Inventor 王伟刘嘉黎冰涂柏生
Owner SHENZHEN BOJUXING IND DEV