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Control device for a compressed air preparation device of a vehicle, compressed air preparation device, vehicle system, vehicle, and method for controlling the same

A technology for compressed air and control devices, which is used in air handling devices, brake safety systems, vehicle components, etc. to achieve the effect of saving fuel

Active Publication Date: 2011-09-14
ZF CV SYST EURO BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In different load states, in particular in the case of increased compressed air consumption and thus in the case of longer delivery phases, regeneration phases have to be respectively inserted in between, especially in the case of use phases and longer delivery phases the situation is unfavorable

Method used

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  • Control device for a compressed air preparation device of a vehicle, compressed air preparation device, vehicle system, vehicle, and method for controlling the same
  • Control device for a compressed air preparation device of a vehicle, compressed air preparation device, vehicle system, vehicle, and method for controlling the same
  • Control device for a compressed air preparation device of a vehicle, compressed air preparation device, vehicle system, vehicle, and method for controlling the same

Examples

Experimental program
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Embodiment Construction

[0025] according to figure 1 The compressed air preparation device 1 of a commercial vehicle 2 with a vehicle engine 10 and pneumatic brakes and air springs has an electronic control unit 3 which directly or indirectly controls the operating state of a compressor 4 driven by the engine 10 . The compressor 4 may for example be arranged directly on the engine shaft and be driven directly by the vehicle engine 10 or driven by the vehicle engine 10 via a coupling. As a result, for example coupling and disengagement of the compressor 4 from the engine 10 or, in the case of a rigid coupling of the compressor 4 at the engine 10 , idling without compressed air delivery can be adjusted.

[0026] Connected to the output of the compressor 4 is an air dryer 6 in which a desiccant 6a, for example dry granules, is accommodated. Connected to the outlet 6b of the air dryer 6 via a non-return valve 16 is a compressed air supply line 17 with a four-circuit protective valve 7 having, for exampl...

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Abstract

The invention relates to a control device (3) for a compressed air preparation device (1) of a vehicle (2), wherein the control device (3) outputs output signals for adjusting feed phases and regeneration phases of the compressed air preparation device (1), wherein a compressor (4) feeds compressed air via an air dryer having a desiccant (6a) into a compressed air reservoir (8) in a feed phase, and compressed air is fed out of the compressed air reservoir (8) through the air dryer (6) for drying the desiccant (6a) in a regeneration phase. According to the invention, the control device (3) adjusts the regeneration phases depending on a current or future engine load and / or a current or future consumption of compressed air by the vehicle (2). Particularly in coasting phases, excessive drying of the desiccant to a low moisture can occur, in order to save fuel in later travel segments. Route-optimized regeneration of the desiccant as a function of engine load and / or utilization phases is also possible.

Description

technical field [0001] The invention relates to a control device for a compressed air production device for a vehicle, a corresponding compressed air production device and a method for controlling the compressed air production device. Background technique [0002] The compressed air preparation system of a vehicle, in particular a commercial vehicle, is generally connected to a compressor driven directly by the engine. The compressor can be arranged directly on the engine shaft so that it always runs when the engine is turning, or it can be coupled to the engine via a coupling. In a delivery phase, the compressor delivers compressed air which first passes through an air dryer which generally has dry granules as desiccant and which may additionally carry out cleaning if necessary. The supplied dried compressed air is then stored in a compressed air store and can be delivered to a consumer circuit, which can be, for example, a brake control circuit of a pneumatic brake system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T17/00B60T17/22
CPCB60T17/004B60T17/221
Inventor 海因里希·迪卡梅伊尔凯文·彭齐希约阿希姆·赖因哈特沃尔夫冈·施特拉赫
Owner ZF CV SYST EURO BV
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