Remote control key, tire pressure monitoring and engine anti-theft locking system

An engine anti-theft lock and tire pressure monitoring technology, applied in tire measurement, tire parts, anti-theft vehicle accessories, etc., can solve problems such as high cost and hardware redundancy, and achieve low cost, small space, and failure rate. low effect

Inactive Publication Date: 2012-04-25
HUNAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the disadvantages of existing car remote key, transmitter anti-theft locking system, and tire pressure monitoring system that are independent of each other, resulting in hardware redundancy and high cost. The characteristics of radio frequency communication, through the sha...

Method used

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  • Remote control key, tire pressure monitoring and engine anti-theft locking system
  • Remote control key, tire pressure monitoring and engine anti-theft locking system

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Embodiment Construction

[0019] Such as figure 1 As shown, a remote key, tire pressure monitoring and engine immobilizer system includes a body controller (1), a remote key module (2), a tire pressure monitoring module (3) and an engine immobilizer module (4). Based on system integration technology, the car remote entry system, engine immobilizer system and tire pressure monitoring system are integrated to reduce hardware redundancy.

[0020] The microcontroller (301) of the tire pressure monitoring module (3) of the system regularly collects the pressure, temperature, and acceleration data inside the car tire through the sensor (302), using 434MHz wireless radio frequency band, Manchester data encoding method, frequency shift keying modulation In this way, through the wireless transmitting module (303) and the matching network for impedance matching, the high-frequency antenna (304) transmits it in the form of wireless radio frequency.

[0021] The remote key module (2) uses the microcontroller (201...

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Abstract

The invention discloses a remote control key, tire pressure monitoring and engine anti-theft locking system, which comprises an automobile body controller, a tire pressure monitoring module, a remote control key module and an engine anti-theft locking module, wherein on the basis of the system integration technology, an automobile remote control entry system, an engine anti-theft locking system and a tire pressure monitoring system are combined into a whole, and the hardware redundancy is reduced. The remote control key module and the tire pressure monitoring module are connected with the automobile body controller in a wireless way of 434MHz, and the engine anti-theft locking module is connected with the automobile body controller in a low-frequency wireless way of 125MHz. Wireless data emitted by the remote control key and the tire pressure monitoring module adopts a 434MHz frequency range, a frequency shift keying modulation mode and a Manchester data encoding mode. The remote control key data after the Keeloq rolling code encryption is distinguished from the tire pressure monitoring data through matching codes. The system has the advantages that the hardware redundancy is reduced, the cost is low, the failure rate is low, and the space size is small.

Description

technical field [0001] The invention relates to the electronic technical field of automobile tire pressure monitoring, remote control key and engine anti-theft. Background technique [0002] The basic function of the tire pressure monitoring system (TPMS) is to collect the status information inside the tire, and send the collected status information to the receiver wirelessly, which can remind the driver to maintain the correct pressure and temperature of the tire. and temperature, while saving fuel consumption at low speeds and improving safety at high speeds, making driving safer and more economical. [0003] In the car remote key (RKE) and transmitter immobilizer (IMMO) systems, the development trend of medium and high-end cars in the market is car encryption function remote key, engine electronic key ignition, etc. [0004] At present, the widely used car remote control key, transmitter anti-theft locking system, and tire pressure monitoring system are independent syste...

Claims

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Application Information

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IPC IPC(8): B60R25/04B60C23/04B60R16/02B60R25/045
Inventor 黄晓峰龙永红刘小卫邹豪杰黄四清腾俊林高望力欧阳福
Owner HUNAN UNIV OF TECH
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