Thermal checking hot box system knots of rolling stock
Journal Title: Інформаційно-керуючі системи на залізничному транспорті - Year 2018, Vol 23, Issue 5
Abstract
One of the most responsible elements of construction of freight carriage, that directly influence on safety of motion, hot box knots are with bearing of that or other type. Therefore to development and perfection of apparatus facilities and methods of control of hot box knots, especially in the process of motion, considerable attention is spared. On the railways of Ukraine the systems of the noncontact diagnosticating are used, that after the level of heating of external surfaces of hot box knots and disks of wheels allow to define the state of the hot box bearing. The lack of the systems of diagnostics of similar type is that the scan-out of axle-bearing comes true by the single narrowly directed transceiver of infrared by a difficult spatial trajectory. From that, what zones of axle-bearing corps will get in a keepout and under what corner, the power-level of radiation that is accepted, and level of signal, on the basis of that made decision about the temperature of bearing, depends, accordingly. Therefore even the insignificant exit of veritable trajectory of scan-out on other surface of axle-bearing corps results in forming of inexact or erroneous signal. In addition, the general lack of all well-known systems of diagnostics of hot box knots of rolling stock is absence of backuping of devices of the system, including those the improper functioning of that can result in dangerous refuses - admissions of the emergency axle-bearing. With an aim the removal of the defects listed above is offered system of diagnostics of hot box knots of rolling stock, that is able to control the temperature of heating of a few points of external surfaces of corps of axle-bearing and other knots from every side of train, and to form the complex picture of distribution of temperatures of heating of the controlled surface (surfaces). Such possibility arises up as a result of dispersal of elements/of devices of apparatus of transceivers-strengtheners of every measuring channel. In an offer system floor chambers contain for N of the lens complete sets of receiving optics, united by means of transparent for an infrared optical light-pipes with the transceivers of infrared. The transceivers of infrared are situated thus on a post. Id est, in floor chambers lens complete sets are set only with the elements of fastening, and got by them in the process of control a "useful" signal comes to the transceivers-transformers optical light-pipes. Placing of transceivers of infrared in the conditions of post weakens requirements to their sizes, structural registration, facilitates optimization of temperature conditions of work and assists the increase of exactness of measuring of temperature of the controlled surface. As in the conditions of post the level of the dynamic and acoustic loading substantially below, than in the conditions of floor chamber, possibility of using appears as transceivers of radiation of detectors that have the best descriptions as compared to other types of transceivers.
Authors and Affiliations
I. Martynov, O. Nejchev, A. Sosunov, V. Petukhov
Keywords
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- EP ID EP499710
- DOI 10.18664/ikszt.v0i5.146573
- Views 152
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