A tire pressure slow leak detection method and tire pressure detection device

A detection method and tire pressure technology, applied in tire measurement, transportation and packaging, tire parts and other directions, can solve problems such as complex implementation, no consideration of temperature changes, etc., to achieve improved accuracy, optimal resource allocation, accurate slow leakage The effect of gas detection

Active Publication Date: 2021-05-25
上海能塔智能科技有限公司
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  • Claims
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Problems solved by technology

[0006] The purpose of the present invention is to provide a tire pressure slow leak detection method to solve the technical problems of complex implementation and no consideration of false alarms caused by temperature changes

Method used

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  • A tire pressure slow leak detection method and tire pressure detection device
  • A tire pressure slow leak detection method and tire pressure detection device
  • A tire pressure slow leak detection method and tire pressure detection device

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Experimental program
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Embodiment

[0028] see figure 1 , which is a schematic diagram of a vehicle remote real-time tire pressure monitoring system. It includes at least one vehicle monitoring device for obtaining real-time tire data, at least one vehicle-side processing and display module 13 and a cloud monitoring center 14 . in:

[0029] The vehicle monitoring equipment can be mounted on a vehicle, including at least one tire real-time data collector 11 and at least one receiver 12 for each tire of the vehicle. Existing car is example with four-wheel drive, and generally four tires are working during driving. Therefore, there can be four tire real-time data collectors 11, and each tire is set as a tire real-time data collector 11. The tire real-time data collector 11 can adopt the existing ZUS external STSM (Smart Tire Safety Monitor). That is, the tire real-time data collector may be a tire pressure sensor, and the tire pressure sensor is installed on a tire valve of a corresponding tire.

[0030] The a...

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PUM

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Abstract

A tire pressure slow leak detection method and a tire pressure detection device. A tire pressure slow air leakage detection method, comprising: acquiring tire state data in real time and forming a tire pressure state table, the tire state data including acquisition time, current tire pressure value and current tire pressure value matched with the current tire pressure value Tire temperature value; based on the sampled tire pressure value, obtain a sampled tire temperature value that is compatible with the sampled tire pressure value from the tire tire pressure state table; Adapted current tire pressure value group, the difference between the current tire temperature corresponding to the current tire pressure value in the current tire pressure value group and the sampled tire temperature value satisfies the preset temperature threshold; the slow leak detection ratio = (the highest tire pressure in the current tire pressure value group-the sampled tire pressure value) / the highest tire pressure value, if the slow air leakage detection ratio is greater than the preset rate value, it is determined that the tire is slowly leaking air. This method of tire pressure slow air leakage does not require additional special testing equipment for various environmental parameter detection, nor does it require additional development costs, and can achieve more accurate slow air leak detection.

Description

technical field [0001] The invention relates to the field of vehicle detection, in particular to a tire pressure slow leak detection method and a tire pressure detection device. Background technique [0002] As the tire is an important part of the car running mechanism, it not only bears the weight of the car, but also provides propulsion for the car to move forward, and plays a role in easing the impact of the ground. The tire pressure monitoring system can monitor the tires in real time, remind the driver to pay attention to possible safety hazards, and prevent accidents in advance. At present, there are mainly tire pressure monitoring systems on the market such as Infineon SP37 series, Freescale FXTH871 series, and TI's TPIC82000 series. (RF) is emitted. Existing passenger cars use low-frequency matching tools to sequentially read the identification (ID) of the tire monitoring module at the corresponding position and save it in the matching tool, and then write the ID i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60C23/04B60C23/20
CPCB60C23/04B60C23/0433B60C23/20
Inventor 李佳袁一曹余
Owner 上海能塔智能科技有限公司
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