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Method for detecting and compensating leaks in a braking device

A braking device and pneumatic braking technology, applied in the direction of braking transmission, brakes, brake components, etc., can solve the problem of weakening the braking effect of the front axle

Active Publication Date: 2021-02-19
KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Leaks in the brake line between the pressure regulator module and the brake cylinders of the front axle of the vehicle are disadvantageous because the compressed air reserve assigned to the front axle is depleted after a few brakes and thus weakens the Braking effect on the front axle

Method used

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  • Method for detecting and compensating leaks in a braking device
  • Method for detecting and compensating leaks in a braking device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] figure 1 A partial view of a schematic connection diagram of a preferred embodiment of an electropneumatic brake system 1 for a commercial vehicle is shown in . Only the components and assemblies associated with the front axle 2 are shown here. The electropneumatic brake system 1 is in particular an electronically regulated braking system (EBS) with brake pressure regulation on all braked axles or wheels. The electropneumatic brake system 1 has an ABS system on all braked wheels.

[0046] For example, a single-channel pressure regulation module 4 is assigned to the front axle 2 , which is based on an electronic controller (not shown in detail here) fed to the pressure regulation module 4 by the electrical channel 6 of the foot brake module 8 . 10 to generate brake pressure for eg the first right brake cylinder 12 and eg for the second left brake cylinder 14 . The two brake cylinders 12 , 14 are not shown in detail here.

[0047] Electronic controller 10, combination...

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PUM

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Abstract

The invention relates to a method for detecting and reducing leakage in a pneumatic brake circuit (28, 30) of an electropneumatic brake device (1) with an ABS system in said brake circuit (28 , 30) with ABS pressure control valves (32, 34) and a pressure sensor in the pressure regulation module (4). The invention provides that a leak is detected by measuring the actual brake pressure with the aid of a pressure sensor and switching the ABS pressure control valves (32, 34) and is associated with said leak by blocking with the aid of the corresponding ABS pressure control valve (32, 34) brake lines (28, 30) to reduce the consequences of said leakage.

Description

technical field [0001] The invention relates to a method for detecting and compensating leaks in an electropneumatic braking device with an ABS system and to an electropneumatic braking device with an ABS system for a vehicle, the braking device having an electronic controller in the electronic controller Algorithms implemented to detect and compensate for leaks. Background technique [0002] The described brake system with ABS system usually has a single-channel pressure regulation module with integrated electronic controller, a first brake cylinder (for example for the right side of the vehicle) and a first brake cylinder (for example for the left side of the vehicle) on the front axle a) a second brake cylinder and a first pneumatic brake circuit and a second pneumatic brake circuit, wherein the first pneumatic brake circuit is arranged between the first outlet of the channel of the pressure regulating module and the first pneumatic brake cylinder , and the second pneuma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T17/22B60T8/88B60T13/66
CPCB60T8/327B60T8/94B60T13/66B60T13/662B60T17/18B60T17/221B60T17/226B60T2270/206B60T2270/40B60T2270/403B60T2270/413B60T2270/88
Inventor M·诺勒
Owner KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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