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Compressed air supply equipment and method for determining parameters of the equipment

一种压缩空气、设备的技术，应用在泵/压缩机的布置、空气处理装置、运输和包装等方向，能够解决参数化等问题

Active Publication Date: 2011-11-30
WABCO EURO BVBA SPRL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The known air preparation device has the disadvantage that the air preparation device either has to be calibrated mechanically by the manufacturer or has to be parameterized in terms of software

Method used

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  • Compressed air supply equipment and method for determining parameters of the equipment
  • Compressed air supply equipment and method for determining parameters of the equipment
  • Compressed air supply equipment and method for determining parameters of the equipment

Examples

Experimental program
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Embodiment Construction

[0023] Attached is figure 1 shows a compressed air preparation device 2 with a compressed air supply 4 and a consumer part 6 . The compressed air supply section 4 includes a compressor 7 , a compressor control device 8 and an air dryer section 10 .

[0024] The consumer part 6 has a compressed air distribution line 14 branching off into a plurality of valves 16 , 18 , 20 , 22 , 24 and a plurality of consumer circuits 26 , 28 , 30 , 32 , 34 supplied with compressed air via the valves.

[0025] A compressed air supply line 40 leads from the compressor 7 via an air dryer scroll 44 (to which a filter (not shown) may be preceded) and a non-return valve 46 to the distribution line 14 , the lines 48 , 50 , 52 , 54 leading to the valves branch off from the distribution line 14 . Compressed air lines 58 , 60 , 62 , 64 lead from the valves to consumer circuits. Line 64 branches into lines 64 ′, 64 ″ leading to circuits 32 and 34 , wherein line 64 ′ branches into lines 65 , 66 leading...

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PUM

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Abstract

A vehicle compressed air supply system includes a supply part with compressor, an air drying part and a consumer part including consumer circuits with brake circuits supplied with compressed air via a multi-circuit safety valve. The brake circuits, and optionally at least one other consumer circuit, include compressed air tanks. Pressure in the circuits is monitored by sensors and evaluated by an electronic control device. To determine system parameters in terms of tank size and compressor output, when filling circuits, the rate of pressure increase in a circuit is determined as a function of compressor speed, and air-drying regeneration is effected. The period of a pre-defined pressure drop or pre-defined pressure gradient is determined and air volume for completing regeneration is calculated from the magnitude of the pressure drop, regeneration time and throttle diameter. Tank volume is determined therefrom. Compressor output is calculated from tank volume and rate of pressure increase.

Description

technical field [0001] The invention relates to a compressed air supply system for a motor vehicle and to a method for parameter determination of the system. Background technique [0002] A pneumatic vehicle brake system is known from WO 09847751 A1 with a compressor, at least one air consumer circuit (for example a service brake circuit), a parking brake circuit, a low-pressure auxiliary circuit and a high-pressure circuit, wherein , the circuit has a compressed air container and a demand valve. A first electrically actuatable valve which is closed in the base state is located between the compressor and the respective consumer circuit and a second electrically actuatable valve which is open in the base state is located between the compressor and the auxiliary circuit. The valves are operated by an electronic control unit. The outlet port of the first valve of the air consumer circuit is connected via a non-return valve to the outlet port of the normally open second valve....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T17/00B60T17/02
CPCB60T17/02B60T17/004
Inventor 海因里克·迪卡梅伊尔约阿希姆·赖因哈特安德烈亚斯·沙尔克里斯托弗·维尔肯
Owner WABCO EURO BVBA SPRL
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