Real-time vehicle overload monitoring method

A real-time monitoring and vehicle technology, applied in measurement devices, instruments, weighing and other directions, can solve the problems of inability to real-time monitoring, high cost, large volume, etc. small effect

Inactive Publication Date: 2012-06-20
TSINGHUA UNIV
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Problems solved by technology

For this reason, this study proposes a new real-time monitoring method for vehicle overweight from these two aspects, which solves the shortcomings of existing vehicle overload monitoring that cannot be monitored in real time, and overcomes the difficulties of large volume and high cost. Networking effectively combines static weight measurement and dynamic weight measurement, using dynamic weight measurement to give real-

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  • Real-time vehicle overload monitoring method

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Embodiment Construction

[0020] The method for real-time monitoring of vehicle overweight proposed by the present invention includes two systems:

[0021] The first is the vehicle real-time weighing system, which is installed on the vehicle, and its corresponding circuit principle module is composed of four parts: bridge circuit, amplifier, A / D converter and the first microprocessor (1):

[0022] 1) Bridge circuit: fixed in the middle of each leaf spring suspension of the vehicle, it consists of four resistance strain load cells, two of which are fixed in the middle of the leaf spring suspension to measure the tensile strain, and two One is fixed at the middle position under the leaf spring suspension to measure the compressive strain. The resistance strain type load cell measures the deformation of the leaf spring suspension caused by the load of the driving vehicle and converts it into a resistance change. The bridge circuit converts the resistance strain The change in resistance of the load cell i...

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Abstract

A real-time vehicle overload monitoring method belongs to the technical field of highway traffic safety, and is characterized in that the dynamic state load of each wheel is measured by a real-time vehicle weighing system mounted on a vehicle, the static state load of the loaded vehicle is measured by a vehicle load correction system, the two are fitted by the real-time vehicle weighing system to obtain the weight value of each wheel weight capacity, the last weight value is taken as the weight value for calculating real-time load, the operation is repeated time after time until two adjacent weight values are within the error ranging from 2%-5% during stable running, the vehicle load at the moment is calculated out, a wireless alarm signal is sent out if the vehicle load exceeds the ratedload of the vehicle type, the remote monitoring to vehicle overload is realized, and the weight value of each wheel load is corrected once every time when the wheel passes through a weighing platform. The method combines static load measurement and dynamic measurement effectively by utilizing the internet of things, thereby forming a dynamic regular correction mechanism, which has the characteristics of high precision, small size and convenience for installation, and has the advantages of real-time monitoring.

Description

technical field [0001] The invention relates to a method for real-time monitoring of vehicle overload, which uses the Internet of Things to effectively combine static weight measurement and dynamic weight measurement, thereby forming a dynamic regular correction mechanism and achieving the purpose of real-time monitoring. Adopting this method not only has the characteristics of low construction cost and strong mobility, but also has the advantages of 24-hour uninterrupted monitoring. When the vehicle is running, this method can still be used for real-time monitoring of vehicle overload, which has high accuracy. Spend. Background technique [0002] In many countries in the world, road vehicles are commonly overloaded in the process of transporting goods, and the proportion of overloaded vehicles is quite high. Overloaded vehicles will cause serious damage to roads, and the direct economic losses caused by overloaded vehicles are very serious. At the same time, overloading als...

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Application Information

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IPC IPC(8): G01G19/12G01G19/02G01G19/03
Inventor 王新凯王鹏军刘伟罗洪徐淑正杨华中
Owner TSINGHUA UNIV
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