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Vehicle axle multi-point temperature measuring device and method based on infrared multiple spectrums

A temperature measurement device and multi-spectral technology, applied in measurement devices, optical radiation measurement, radiation pyrometry, etc., can solve problems such as easy failure, shortened service life, temperature false alarm, etc., and achieve simple system design and structural expansion. strong effect

Pending Publication Date: 2018-01-09
TSINGHUA UNIV
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Problems solved by technology

[0006] The present invention provides a multi-point temperature measuring device and method based on infrared multi-spectrum for overcoming the above-mentioned problems or at least partially solving the above-mentioned problems. , prone to failures, temperature false alarms

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  • Vehicle axle multi-point temperature measuring device and method based on infrared multiple spectrums
  • Vehicle axle multi-point temperature measuring device and method based on infrared multiple spectrums
  • Vehicle axle multi-point temperature measuring device and method based on infrared multiple spectrums

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Embodiment Construction

[0030] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0031] like figure 1 As shown, a vehicle axle temperature measurement device is shown in the figure, including an infrared multi-spectral sensor group 3 and a spectral thermometer, such as figure 2 As shown, the infrared multispectral sensor group 3 includes a plurality of infrared multispectral sensors 7 arranged in a distributed manner. In this embodiment, the number of infrared multispectral sensors 7 is set to 5; each infrared multispectral sensor 7 is used to collect the infrared multi-spectral radiation intensity data of a single target point on the surface of the vehicle wheel axle 1; temperature of the target point. It also includes a display for displaying the...

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Abstract

The invention provides a vehicle axle multi-point temperature measuring device and method based on infrared multiple spectrums. The device comprises an infrared multi-spectral sensor set and a spectral thermometer. The infrared multi-spectral sensor set comprises a plurality of distributed infrared multi-spectral sensors. Each infrared multi-spectral sensor is used for collecting infrared multi-spectral radiation intensity data of a single target point on the axle surface of a vehicle. The spectral thermometer is used for obtaining the temperature of each target point according to the multi-spectral radiation intensity data of each target point. Through the high-speed measurement of the infrared multiple spectrums and multiple target points, the device and method in the invention achievesthe high precision measurement of the axle temperature of a sports car, are suitable for the non-contact online measurement of the multi-point area temperature under axle surface emissivity unknown orvariable surface emissivity conditions, and overcome the problem that the existing axle radiation temperature measurement technology is limited by the unknown surface emissivity and the limitation problem of temperature distribution measurement.

Description

technical field [0001] The invention relates to the technical field of vehicle axle temperature measurement, and more particularly, to a multi-point temperature measurement device and method for vehicle axles based on infrared multi-spectrum. Background technique [0002] Urban rail transit is the main line of urban public transportation and the lifeline project of the city. my country's urban rail transit is developing rapidly. As of 2016, a total of 30 cities across the country have opened rail transit lines. Urban rail transit has a large passenger flow and concentrated personnel, and the consequences and impacts of failures will be very serious. The operation safety of urban rail transit is an important part of urban public safety. The substantial increase in the operating mileage of rail transit and the increase in passenger flow have brought great pressure to the safety of rail transit operation, which will also affect the nature of urban rail transit operating equipm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J5/28G01J5/00G01J5/08
Inventor 符泰然史聪灵杨臧健孟迎潮李建钟茂华
Owner TSINGHUA UNIV
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