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Acquisition device, its manufacturing method and force measuring method

A technology for collecting devices and applying force, which is applied in the direction of measuring force, measuring devices, counterweight scales, etc., can solve the problems of reducing road surface life, road surface damage, high cost, etc., and achieve improved life and precision, tight integration, and long life. Effect

Active Publication Date: 2020-06-02
INSTITUT FR DES SCI & TECH DES TRANSPORTS DE LAMENAGEMENT & DES RESEAUX +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, these various transducers are not entirely satisfactory because each of them suffers, at least in part, from the following problems:
[0016] Damage to the road surface due to the use of transducers, since they have a non-negligible height, thereby reducing the lifetime of the road surface in the vicinity of this sensor;
[0017] the transducer is less accurate, which is affected by the speed of the vehicle and the path it follows, and by changes in temperature and humidity; and
[0018] · Finally, high cost due to both the price of the transducer and the price of putting the transducer in place in the road

Method used

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  • Acquisition device, its manufacturing method and force measuring method
  • Acquisition device, its manufacturing method and force measuring method
  • Acquisition device, its manufacturing method and force measuring method

Examples

Experimental program
Comparison scheme
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preparation example Construction

[0219] The material was then prepared as follows:

[0220] Step b) is divided into three separate steps b1, b2 and b3:

[0221] b1) Three of the above specific ingredients are mixed together.

[0222] b2) The mixture obtained is homogenized.

[0223] Homogenization is performed by sonication. A VIBRACELL VCX750 ultrasound device with a 13 mm diameter Ti-Al-V tip operating at a resonance frequency of 20 kilohertz (kHz) was used. The energy chosen was 4.4 kilojoules (kJ), ie 94.3 joules per gram (J / g). Pulses of 10 seconds separated by breaks were applied.

[0224] Homogenization by sonication may be alternated with one or more operations of processing the mixture.

[0225] b3) Drying the mixture.

[0226] The mixture was dried overnight at 60°C-70°C.

[0227] c) Adding an organic compound as a precursor, specifically 6.5 g of liquid caramel (Royal Tm caramel, 80%).

[0228] c2) The mixture is again dried overnight at 60°C-70°C.

[0229] d) The dry mixture obtained in ...

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PUM

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Abstract

A collection device (20) comprising a wall and a transducer (23) comprising a body (24, 324) to which electrodes (25) are fastened and spaced apart from each other. The electrical impedance (R) of the transducer may vary according to deformation of the transducer. At least two electrodes (25) of the plurality of electrodes are spaced apart from each other when viewed in a direction perpendicular to the surface (36) of the wall portion. A transducer is incorporated below the surface (36) of the wall.

Description

technical field [0001] A first aspect of the invention relates to a transducer for detecting and / or measuring force when integrated into a force sensor; the applied force is not directly measurable in the transducer, but by measuring Deformation is measured: Under the action of a force, a transducer undergoes deformation; this deformation causes a change in the measurable amplitude of said transducer; the measurement portion of the sensor detects and / or quantifies said change and transmits a The output signal thus represents the applied force. [0002] Of course, such transducers can also be used to detect or measure deformations. [0003] A first application of such transducers and sensors is in weighing a vehicle on a road when the vehicle is stationary or preferably moving. [0004] When a vehicle is on the road, whether stationary or moving, the road surface under its tires deforms locally. This deformation, as a function of the weight of the vehicle, may be detected an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L1/20
CPCG01L1/205G01G1/20G01G19/021
Inventor 贝朗热丽·勒本托包蒂娜·伽达温森特·尚德福依爱德华尔朵·瑞兹-黑茨克依皮拉·阿兰达格里高克里斯蒂娜·瑞兹加西亚比尔格·亨宁斯
Owner INSTITUT FR DES SCI & TECH DES TRANSPORTS DE LAMENAGEMENT & DES RESEAUX