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TPMS leaving-assembly calibration method and TPMS leaving-assembly calibration equipment based on bidirectional tire pressure

A calibration method and equipment technology, applied in tire measurement, tire parts, inflatable body pressure measurement, etc., can solve the problems of troublesome operation, low production efficiency, etc., and achieve the effects of short time, improved production efficiency, and simple operation

Inactive Publication Date: 2016-07-20
SICHUAN YEMA AUTOMATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of tire pressure monitoring system needs to set up the off-line calibration equipment and stations of the TPMS system separately on the production line, which is troublesome to operate and the production efficiency is not high

Method used

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  • TPMS leaving-assembly calibration method and TPMS leaving-assembly calibration equipment based on bidirectional tire pressure
  • TPMS leaving-assembly calibration method and TPMS leaving-assembly calibration equipment based on bidirectional tire pressure
  • TPMS leaving-assembly calibration method and TPMS leaving-assembly calibration equipment based on bidirectional tire pressure

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Experimental program
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Embodiment Construction

[0019] refer to figure 2 and image 3 , a kind of TPMS off-line calibration method based on two-way tire pressure of the present invention, comprises the following steps:

[0020] Connect the WiFi connector 50 to the car OBD interface 40, the handheld calibration device 60 is connected to the WiFi connector 50 through WiFi communication, the handheld calibration device 60 after the communication connection is connected to the car CAN network through the car OBD interface 40, and finally connected The tire pressure monitoring controller 30 forms a communication connection;

[0021] After the device is connected, operate the tire pressure calibration button on the hand-held calibration device 60, and send the “Left Front Tire Pressure Calibration Command” through WiFi communication. After receiving the WiFi signal, the WiFi connector 50 transmits it to the tire pressure monitoring via the CAN network of the car. controller 30;

[0022] After receiving the calibration instruc...

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Abstract

The invention discloses a TPMS leaving-assembly calibration method andn TPMS leaving-assembly calibration equipment based on a bidirectional tire pressure. The TPMS leaving-assembly calibration method comprises the following steps of S1, connecting a WiFi connector with an automotive OBD interface, connecting handheld calibration equipment with the WiFi connector through WiFi communication, accessing into an automotive CAN network by the handheld calibration equipment after communication connection through the automotive OBD interface, and finally forming communication connection with a tire pressure monitoring controller; S2, transmitting a calibration instruction by the handheld calibration equipment to the tire pressure monitoring controller, and after the tire pressure monitoring controller receives the calibration instruction, performing sensor matching; and S3, successively performing calibration according to a sequence of left front, right front, left back and right back, and successively performing calibration according to the step S2, thereby finally finishing TPMS system calibration. The TPMS leaving-assembly calibration method and the TPMS leaving-assembly calibration equipment can realize online tire pressure calibration and furthermore have advantages of simple operation and effective production efficiency improvement.

Description

technical field [0001] The invention belongs to the technical field of automobile tire pressure monitoring, and in particular relates to a bidirectional tire pressure-based TPMS off-line calibration method and TPMS off-line calibration equipment. Background technique [0002] The tire pressure monitoring system is referred to as "TPMS", which is the abbreviation of "tire pressure monitoring system". The principle of tire pressure monitoring technology: By recording the tire speed or electronic sensors installed in the tires, various conditions of the tires are automatically monitored in real time, effectively avoiding traffic accidents caused by tire pressure problems when the car is driving at high speed. [0003] The existing tire pressure monitoring system calibration method mainly requires a separate calibration device through the tire pressure monitoring controller to drive devices similar to low-frequency trigger units to trigger the tire pressure monitoring sensors on...

Claims

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Application Information

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IPC IPC(8): G01L27/00G08C17/02B60C23/04G01L17/00
CPCG01L27/002B60C23/04G01L17/00G08C17/02
Inventor 帅亚军
Owner SICHUAN YEMA AUTOMATION CO LTD
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