Road freezing point temperature testing system and method based on ion molar concentration monitoring

A test system and test method technology, applied in the direction of material impedance, investigation stage/state change, etc., to achieve the effects of eliminating influence, increasing test accuracy, and simple structure

Active Publication Date: 2013-06-26
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology

[0006] In view of this, the main purpose of the present invention is to provide a road surface freezing point temperature testing system and method based on ion molar concentration m

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  • Road freezing point temperature testing system and method based on ion molar concentration monitoring
  • Road freezing point temperature testing system and method based on ion molar concentration monitoring
  • Road freezing point temperature testing system and method based on ion molar concentration monitoring

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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0027] Such as figure 1 as shown, figure 1 It is a structural block diagram of a road surface freezing point temperature testing system according to an embodiment of the present invention, the system includes a temperature detection module 1, an impedance detection module 2 and a microprocessor 8, wherein: the temperature detection module 1 is used to measure the temperature of the current road surface tested solution t 0 , and the temperature t 0 Transmit to microprocessor 8, wherein the road surface measured solution is the solution that is covered by rain, snow or ice on the road surface or contains deicing agent; Impedance detection module 2 is used for measuring the impedance value of current road surface measured ...

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Abstract

The invention discloses a road freezing point temperature testing system and method based on ion molar concentration monitoring. The testing method comprises the following steps of: measuring ion molar concentration by monitoring the impedance of a solution according to a linear monotonic relationship between a freezing point temperature of the solution and the ion molar concentration, and subsequently testing the current freezing point temperature of the solution by labeling and calibrating with combination of the current temperature of the solution. Compared with a conventional freezing point temperature testing method, the system is free of a solution refrigerating device and a temperature control unit and has a simple structure; and meanwhile, as a detection target is directly the ion molar concentration which affects the freezing point temperature of the solution, the freezing point temperature of a solution formed by mixing various solutes can be directly measured. The method can be applied to the measurement of the road freezing point temperature of traffic roads, so that the frozen states of roads in winter can be monitored, and the traffic is guided to ensure safety.

Description

technical field [0001] The invention relates to the technical field of road surface freezing point temperature testing, in particular to a system and method for testing road surface freezing point temperature based on ion molar concentration monitoring, which can carry out a single solute or a variety of different mixtures without the need for a refrigeration device Freezing point temperature measurement of solute solutions. Background technique [0002] Ice on the road will lead to a significant decrease in the actual friction coefficient of the road surface, increase the braking distance of motor vehicles, reduce the ability to control the vehicle, and cause more traffic accidents. Therefore, it is of great research significance to use a special road surface freezing point temperature test system to monitor the road surface freezing point temperature in real time, to provide decision-making information for road operation managers and maintenance operators, and to further i...

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Application Information

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IPC IPC(8): G01N25/04G01N27/02
Inventor 漆晓琼谢亮王辉
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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