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Cell-free tyrepressure monitoring system

A tire pressure monitoring system, battery-free technology, applied in tire measurement, tire parts, transportation and packaging, etc., can solve problems such as unable to monitor tire status in real time, affecting battery operation, battery needs to dismantle tires, etc.

Inactive Publication Date: 2009-07-15
KUENDER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can obtain excellent accuracy, it has many disadvantages because the battery pack must be assembled: 1. The tire needs to be disassembled to replace the battery; 2. The tire status cannot be monitored in real time for the power saving function; Too low will affect the battery operation

Method used

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  • Cell-free tyrepressure monitoring system
  • Cell-free tyrepressure monitoring system
  • Cell-free tyrepressure monitoring system

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Experimental program
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Embodiment Construction

[0017] For the description of the preferred embodiments of the present invention, please refer to figure 1 A schematic diagram of the implementation shown. The tire 1 includes a tire casing 11 and a fixing part 13 , and an inner space 12 is formed between the tire casing 11 and the fixing part 13 . In this embodiment, the fixing portion 13 is a wheel frame. In addition, a tire state sensor 14 and a power generating device 15 are disposed on the fixing portion 13 , wherein the power generating device 15 is electrically connected to the tire state sensor 14 , and the power generating device 15 includes a fan 151 accommodated in the tire inner space 12 . In this embodiment, the height of the fan 151 is half of the height from the fixed portion 13 (wheel frame) to the tire 11 . In other embodiments, the height of the fan 151 can also be lower than the height of the side of the wheel frame.

[0018] figure 2 A schematic diagram showing that the tire condition sensor 14 and the...

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PUM

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Abstract

The present invention relates to a battery-free tire pressure monitoring system, which is used in tires to detect the status of the tires. The above-mentioned tire pressure monitoring system includes a tire state sensor and a power generation device, wherein the tire state sensor is assembled on a fixed part inside the tire, and it can detect the state inside the tire, and the power generation device is also assembled with the fixed part above, and it is electrically connected with the tire state sensor, so that the power supply device can provide power to the tire state sensor, so that the tire state sensor can operate according to the power provided by the power generation device.

Description

【Technical field】 [0001] The invention relates to a tire pressure monitoring system, especially a battery-free tire pressure monitoring system. 【Background technique】 [0002] Since November 2003, some newly sold cars in the United States have been required to add a tire pressure monitoring system (TirePressure Monitoring System, TPMS), and this application requirement has been gradually expanded to all new cars. So there are many manufacturers investing in the development of TPMS at present. [0003] Currently, there are two implementation methods of TPMS: direct type and indirect type. The direct type TPMS puts the sensor in the tire; the indirect type TPMS uses the anti-lock braking system (ABS) to measure the air pressure change from the rotating radial of the tire. [0004] The above-mentioned direct type TPMS requires a pressure sensor, a temperature sensor, a transmitter, and a battery pack to be installed in the tire. Although this method can obtain excellent accu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C23/04B60C19/08
Inventor 简昭珩游英俊
Owner KUENDER