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Method for controlling an electropneumatic parking brake device as auxiliary brake during driving of a vehicle

An electronic parking brake, electronic pneumatic technology, applied in the direction of brake transmission, brakes, vehicle parts, etc., can solve the problems of driving instability and excessive

Active Publication Date: 2021-05-14
KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it cannot be ruled out here that excessive brake slipping or brake locking due to faulty actuation and thus driving instability

Method used

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  • Method for controlling an electropneumatic parking brake device as auxiliary brake during driving of a vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] The drawing schematically shows an electropneumatic parking brake system 1 according to the invention as part of a compressed air system for a vehicle in a preferred embodiment. The compressed air system also includes a pneumatic or electropneumatic service brake system (not shown here).

[0030] The vehicle is here preferably a commercial vehicle, for example a tractor 2 of a tractor-trailer combination, which has a driver's cab 4 arranged on the frame. Arranged in the driver's cab 4 next to the driver is a parking brake actuating device 6 (Hand Control Unit), which has, as a parking brake actuating mechanism 8 Manually swing the joystick to different pivot positions. Instead, of course, any type of parking brake actuating mechanism 8 is possible, for example also in the form of a rocker switch or a combined push / pull switch.

[0031] The parking brake operating mechanism 8 can be adjusted to different positions, in particular a "drive" position, a "park" position, a...

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PUM

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Abstract

The invention relates to a method for controlling an electropneumatic parking brake (1) of a vehicle (2) as an auxiliary brake during driving, wherein the parking brake (1) has an electropneumatic parking brake A controller (18) and a compressed air operated spring-loaded brake cylinder (28) on at least one shaft (14). The invention is characterized in that the axle load on at least one axle (14) having a compressed-air actuated spring-loaded brake cylinder (28) is determined and then when the parking brake device (1) is used as When assisting the brake, the compressed air operated spring energy storage brake cylinder ( 28) Auxiliary brake pressure.

Description

technical field [0001] The invention relates to a method for controlling an electropneumatic parking brake system as an auxiliary brake during driving of a vehicle, wherein the parking brake system has a compressed-air actuated spring accumulator on at least one shaft brake cylinder and electronic parking brake controller. [0002] Furthermore, the invention relates to a compressed air device for a vehicle with an electropneumatic braking system comprising an electropneumatic parking brake with auxiliary braking function, the electropneumatic parking brake The vehicle brake device has the following components: a compressed air operated spring accumulator brake cylinder on at least one axle; an electronic parking brake controller; a parking brake operating unit for operating the parking brake, the parking brake The vehicle brake operating unit inputs the auxiliary braking request signal into the electronic controller according to the degree of manipulation of the parking brake...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/26B60T13/66B60T13/68
CPCB60T13/26B60T13/261B60T13/263B60T13/66B60T13/662B60T13/68B60T13/683
Inventor F·维尔纳
Owner KNORR-BREMSE SYST FUER NUTZFAHRZEUGE GMBH