Tire pressure monitoring and alarming system based on CAN (Controller Area Network) bus and K line communication

A CAN bus, tire pressure monitoring technology, applied in tire measurement, tire parts, transportation and packaging, etc., can solve the problem of lack of TPMS systemization, intelligence, inability to meet TPMS vehicle wiring requirements, incapable of vehicle bus integration, etc. question

Inactive Publication Date: 2012-01-18
LAUNCH SOFTWARE DEV
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] However, the existing tire pressure monitoring and alarm system cannot meet the vehicle wiring requirements of TPMS in practical applications, cannot be integrated with the vehicle bus, and has not truly realized the systematization and intelligence of TPMS

Method used

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  • Tire pressure monitoring and alarming system based on CAN (Controller Area Network) bus and K line communication
  • Tire pressure monitoring and alarming system based on CAN (Controller Area Network) bus and K line communication

Examples

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Embodiment Construction

[0022] see figure 1 , which is a circuit block diagram of a preferred embodiment of the tire pressure monitoring and alarm system based on CAN bus and K line communication in the present invention. The tire pressure monitoring and warning system based on CAN bus and K line communication of this preferred embodiment includes:

[0023] Several tire modules 10 installed in the tire, the tire module 10 includes a main control unit 11, a tire pressure acquisition unit 12, a temperature acquisition unit 13, a vehicle speed acquisition unit 14, a voltage acquisition unit 15 and a wireless transmission circuit 16, the main control unit 11 is respectively connected to the tire pressure acquisition unit 12, the temperature acquisition unit 13, the vehicle speed acquisition unit 14, the voltage acquisition unit 15 and the wireless transmission circuit 16;

[0024] ECU module 20, ECU is electronic control unit (Electronic Control Unit), and it comprises ECU main control unit 21, wireless...

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Abstract

The invention relates to a tire pressure monitoring and alarming system based on a CAN (Controller Area Network) bus and K line communication, comprising a plurality of tire modules, an ECU (Electronic Control Unit) module and a meter display module, wherein the tire modules are installed in the tire; the tire modules and the ECU module are in radio frequency communication connection by a radio transmission circuit and a radio receiving circuit; and the tire modules and the meter display module are connected via a CAN bus unit and a K line interface unit by the CAN interface unit and the K line interface unit. The tire pressure monitoring and alarming system based on the CAN bus and the K line communication adopts a direct tire pressure monitoring mode, combines the design of the CAN and the K line design, satisfies the finished automobile wiring requirement in the practical application of TPMS (Tire Pressure Monitor System), is integrated with the finished automobile bus, and realizes the systematization and the intellectualization of the TPMS.

Description

technical field [0001] The invention relates to the technical field of automotive electronic vehicle products, in particular to a tire pressure monitoring and alarm system based on CAN bus and K line communication. Background technique [0002] During the high-speed driving of a car, tire failure is the most worrying and difficult to prevent for all drivers, and it is also an important reason for sudden traffic accidents. At present, the car accidents caused by blown tires occupy the top of the list of expressway accidents, and blown tires have become one of road traffic killers. According to statistics, 70% of traffic accidents on Chinese expressways are caused by blown tires, while in the United States this ratio is as high as 80%. How to prevent tire blowout has become an important topic for safe driving. According to the expert analysis of the National Rubber Tire Quality Supervision Center, maintaining the standard tire pressure for driving and timely detection of tir...

Claims

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Application Information

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IPC IPC(8): B60C23/02B60R16/02
Inventor 刘均李志国
Owner LAUNCH SOFTWARE DEV
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