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Method for predicting the temperature of a wheel bearing of a wheel of a vehicle

A technology for wheel bearings and vehicles, which is applied to rotating bearings, signal indicators on vehicles, bearings, etc., can solve problems such as temperature rise and bearing damage, and achieve the effect of avoiding damage

Active Publication Date: 2012-07-11
KNORR BREMSE SYST FUR SCHIENENFAHRZEUGE GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the temperature of the relevant wheel bearings rises significantly for a specified length of time, ie the bearing temperature can exceed the limit temperature, thereby exposing the bearing to damage

Method used

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  • Method for predicting the temperature of a wheel bearing of a wheel of a vehicle
  • Method for predicting the temperature of a wheel bearing of a wheel of a vehicle
  • Method for predicting the temperature of a wheel bearing of a wheel of a vehicle

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Embodiment Construction

[0044] exist figure 1 A schematic illustration of a wheel set bearing 1 of a rail vehicle is shown in , in which two wheels, which are not precisely shown here, are arranged on the front side on the axle or axle 2 of the wheel set. In each case a wheel bearing 1 is situated adjacent to the wheel, which supports the wheel axle 2 on a bogie, also not shown here. Preferably, the wheel bearing 1 is a double bearing, ie two wheel bearings arranged one behind the other in the axial direction, for example in the form of two rolling bearings.

[0045] The following embodiments relate to a method and a device for estimating the temperature of a wheel bearing 1 by means of a calculation model. The computational model for estimating the temperature of the wheel set bearing 1 is based on the modeling of the following parameters, namely the heat capacity of the wheel set or components of the wheel set bearing 1, the heat conduction in the wheel set or components of the wheel set bearing 1...

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Abstract

The invention relates to a method for predicting the temperature (Tin,p) of a wheel bearing (1) of a wheel of a vehicle for a future moment (t+[delta]tp) in relation to a present moment (t) or for a future time interval (t, t+[delta]tp) in relation to a present moment (t), on the basis of a course of the temperature (Tin) of the wheel bearing (1) in a past time interval (t-[delta]tb, t) in relation to the present moment (t), the predicted temperature (Tin,p) of the wheel bearing (1) being determined from the sum of the temperature (Tin) of the wheel bearing (1) at the present moment (t) and a corrective value ([delta]Tp) which is determined according to a change in at least one driving condition such as the speed ([delta]vtrain) and a change in the temperature ([delta]Tb) of the wheel bearing (1) within the past time interval (t-[delta]tb, t).

Description

technical field [0001] The invention relates to: a method according to claim 1 for predicting the temperature of a wheel bearing of a wheel of a vehicle; a device according to claim 9 for carrying out the method; and a method according to claim 9 The application of the temperature predicted according to this method described in 12. Background technique [0002] Diagnostic and monitoring systems are increasingly used in rail vehicle traffic today, with which changes in the state of components and assemblies of rail vehicles are detected in order to detect damage to these components and assemblies. Particularly in wheel sets of rail vehicles, the detection of damage in terms of overheating is of great interest. [0003] Modern high-speed trains travel beyond their limits and must therefore comply with corresponding standards for ensuring interoperability, for example law 96 / 48 / EC. Furthermore, on-board monitoring of the wheel bearings of the wheels of the rail vehicle is req...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61K9/04
CPCB61L15/0081B61K9/04B60L2200/26F16C19/525F16C2326/10B60T7/126
Inventor 乌尔夫·弗里森拉尔夫·富特文勒
Owner KNORR BREMSE SYST FUR SCHIENENFAHRZEUGE GMBH
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