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Method for real-time detection of vehicle load

A real-time detection and vehicle technology, applied in the field of detection, can solve the problems of low cost performance, limited quantity, single function, etc., and achieve the effect of low cost and high cost performance

Active Publication Date: 2008-04-02
XIAMEN YAXON NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high cost of construction and maintenance of large-scale electronic scales, the number is extremely limited, and it is difficult to carry out real-time detection of cargo vehicles
However, other existing on-board equipment for load detection generally have defects such as low precision, poor stability, single function, and low cost performance, so they have not been widely used.
Therefore, it is impossible to obtain the load data required for real-time management and deployment by using the methods of the prior art, and it is difficult to realize real-time monitoring of the vehicle load

Method used

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Embodiment Construction

[0052] Referring to the accompanying drawings, a method for real-time detection of vehicle load according to the present invention includes two processes of calibration and real-time detection:

[0053] In the calibration process, it includes the following steps:

[0054] Step a. Calibrate the relationship between the output voltage of the load cell and the displacement of the sensor;

[0055] Step a1. Apply an external force to cause a displacement change of the load sensor to be installed on the vehicle, measure the value of the displacement, and read the voltage data output by the load sensor corresponding to the displacement through the load detector to obtain the output of the load sensor. A set of correspondence between the voltage data and the displacement value;

[0056] As shown in Fig. 1 and Fig. 2, four load sensors 2 are installed in total, 2 front wheels and 2 rear wheels respectively; For loading goods, the load sensor 2 includes a circular steel cylinder 21, a...

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Abstract

The invention discloses a method for detecting real-time automotive load. A load detector is used to collect real-time signals inducted by a load sensor and corresponding to the nominal load, the real-time signals transmitted to a detecting center via a on-board terminal and wireless network; a computer processing system of the detecting center metalationobtains the load value of the vehicle according to a fitting curve between the load value and the induction signal by means of a local linear fitting. The method has the advantages of low cost, high performance cost ratio, stability and reliability, which is particularly suitable to be used in application occasions where accuracy of the load of vehicles is not required strictly (ten percent allowable error) while real-time control is required for the load of vehicles, such as the management and dispatching system of a freight fleet.

Description

technical field [0001] The invention relates to a detection method, in particular to a method for real-time detection of the load of a vehicle (especially a freight vehicle). Background technique [0002] For a long time, due to the limitation of objective conditions and driven by economic interests, the phenomenon of overloading of freight vehicles is very serious and common, resulting in serious damage to vehicles and roads, and greatly reducing the service life of vehicles and even endangering driving safety. Insufficient loading weight leads to waste of transportation capacity, and also damages the interests of shippers. At present, the load of the vehicle is generally detected by a large electronic scale at a specific place. During the detection, the weight of the entire vehicle loaded with goods is measured by a large electronic scale, and then the current measured weight is subtracted from the time when the vehicle is empty. The weight of the vehicle gives the vehicl...

Claims

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Application Information

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IPC IPC(8): G01G19/02G01G19/03G01G3/14G08C17/02G08C19/00
Inventor 谢磊黄运峰李家祥陈从华韦昌荣
Owner XIAMEN YAXON NETWORKS CO LTD
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