EP0960280A1 - Systeme de traitement d'air sous pression - Google Patents

Systeme de traitement d'air sous pression

Info

Publication number
EP0960280A1
EP0960280A1 EP97953690A EP97953690A EP0960280A1 EP 0960280 A1 EP0960280 A1 EP 0960280A1 EP 97953690 A EP97953690 A EP 97953690A EP 97953690 A EP97953690 A EP 97953690A EP 0960280 A1 EP0960280 A1 EP 0960280A1
Authority
EP
European Patent Office
Prior art keywords
compressed air
bus
air treatment
unit
treatment system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97953690A
Other languages
German (de)
English (en)
Other versions
EP0960280B1 (fr
Inventor
Horst SCHÖLLKOPF
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lorch J Gesellschaft and Co GmbH
Original Assignee
J Lorch Ges & Co Gesellschaft fur Maschinen und Einrichtungen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by J Lorch Ges & Co Gesellschaft fur Maschinen und Einrichtungen GmbH filed Critical J Lorch Ges & Co Gesellschaft fur Maschinen und Einrichtungen GmbH
Publication of EP0960280A1 publication Critical patent/EP0960280A1/fr
Application granted granted Critical
Publication of EP0960280B1 publication Critical patent/EP0960280B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/17—Compressed air water removal

Definitions

  • the invention relates to a compressed air treatment system which is composed of individual units, for example a filter unit, a controller unit, an oiler unit and / or the like, which can be coupled to a control unit via a customer bus.
  • Compressed air treatment systems of this type are generally known and commercially available.
  • Each of the units contained therein, insofar as it contains electrical sensors or actuators, is individually connected to the control unit in these known systems. This means that all units are connected to the control unit in a star shape.
  • the user can influence the individual units with the help of the control unit, for example he can control and / or regulate the interaction of the individual units in the compressed air preparation system with the aid of programmable logic controllers contained in the control unit.
  • Compressed air treatment systems can be assembled in a modular manner by the user. The user can select which units are required in his present application and must be selected accordingly. The selection and arrangement of the individual units ultimately determine the compressed air treatment system.
  • a disadvantage of the known compressed air treatment system is that the parallel cabling increases the number of components as the number of components increases.
  • the object of the invention is a
  • this object is achieved by the invention in that the units are connected to one another via a system bus and in that an interface is provided via which the system bus can be coupled to the customer bus.
  • the individual units of the compressed air treatment system according to the invention are therefore no longer directly connected to the control unit. Instead, a decoupling between the units and the control device is provided according to the invention, which is carried out with the aid of the interface. On one side of the interface, the units are arranged, which have a uniform
  • System bus are interconnected.
  • the units and the System buses are therefore completely independent of the control device used and can therefore always be configured independently of this control device.
  • the customer bus is provided on the other side of the interface, with which the compressed air treatment system can be connected to the control device of the respective user. This other side of the interface is therefore dependent on the control device and must be adapted to the control device used in each application.
  • Compressed air treatment system can be used extremely flexibly.
  • the additional effort required for the interface is negligible compared to the benefits.
  • the invention also makes it possible to offer a compressed air treatment system in which the user no longer has to worry about any control unit-dependent bus connections or the like, but in which the user can only concentrate on the properties of the compressed air treatment system that he desires.
  • the functional linkage of the individual units is automatically ensured by the introduction of the interface according to the invention.
  • the individual units can also be connected directly to the customer bus.
  • the respective units in this way, it is possible for a user to also put the respective units in to use a compressed air treatment system according to the prior art. It goes without saying that the advantages according to the invention are then not achieved. On the other hand, however, the user is offered a further possibility of using the units.
  • different protocols of the customer bus are available, the interface being provided for a plurality of the protocols of the customer bus.
  • a protocol of a customer bus is to be understood below to mean the manner in which, for example, certain lines of the customer bus are electrically connected or how, for example, certain signals are generated on these lines, in particular with regard to their chronological sequence, and are transmitted on the customer bus.
  • a protocol of a customer bus can be defined. The consequence of this is that the interface of the compressed air treatment system according to the invention has to be adapted to these different possibilities of the protocols of the customer bus.
  • a first possibility of adaptation can be that a specific interface is made available for each specific protocol of the customer bus.
  • the interface can be designed as a hardware component.
  • the interface is a hardware component that is programmed differently according to the respective protocol. It is particularly expedient if the interface is provided for a plurality of the protocols of the customer bus.
  • the interface is a hardware component that is either hardware and / or software-adapted to the different protocols of the customer bus.
  • the advantage of this interface is that a user can use one and the same interface for different control units. The user does not have to worry about ECU-dependent bus connections and the like, but can concentrate specifically on his application-specific compressed air treatment system.
  • Another advantage of the invention arises from the fact that the interface is designed as a further unit. The user can then use the interface like another module in his compressed air treatment system. Overall, this results in a uniform and self-contained system. The user only has to connect his control unit to this system and can then start using the compressed air treatment system.
  • At least one of the units can be supplied with input signals via the system bus or output signals can be output from at least one of the units via the system bus. Input and output signals are thus transmitted via the system bus.
  • the individual units can be designed in a much more "intelligent" manner. In this way it is achieved that the entire compressed air treatment system has a significantly higher flexibility and quality than the previously known compressed air treatment systems.
  • FIG. 1 The only figure in the drawing shows a schematic block diagram of a compressed air treatment system 1 according to the invention.
  • the compressed air treatment system 1 has a plurality of individual units which are used to generate compressed air and to control or regulate the compressed air generated.
  • an input valve unit 2 which is acted upon by a pressure P ⁇ n and with which the entire compressed air treatment system can be switched on and off in particular.
  • a filter unit 3 is provided, which is connected to the inlet valve unit 2 via a compressed air line, and in particular for cleaning the Compressed air is used.
  • the filter unit 3 contains, for example, a water separator (not shown in more detail).
  • a pressure regulator unit 4 which is connected via a compressed air line to the filter unit 3, and in particular to the control of the compressed air to a desired target value P soll is used.
  • a distributor unit 5 is provided, which is connected to the pressure regulator unit 4 via a compressed air line, and which serves to distribute the compressed air to the various application locations.
  • an oiler unit 6 is provided in the compressed air treatment system 1, which is connected to the distributor unit 5 via a compressed air line.
  • the oiler unit 6 is provided with an outlet line in which the pressure P out prevails.
  • a so-called pulse oiler can be contained, which can deliver a certain amount of oil from an oil tank to the compressed air.
  • the units 2, 3, 4, 5, 6 described each have an electrical control circuit 7, which is preferably configured identically in all units.
  • the control circuit 7 is used to process the electrical signals present in the respective unit with a view to uniform use within the entire compressed air treatment system 1.
  • the compressed air treatment system 1 has a system bus 8 to which all units 2, 3, 4, 5, 6 are connected.
  • the system bus 8 is coupled to the mentioned units with the help of the uniform processing of the electrical signals by the control circuit 7.
  • This uniform processing of the electrical signals is adapted to the protocol of the system bus 8.
  • the protocol of the system bus 8 is to be understood below to mean the manner in which the individual lines of the system bus 8 are electrically connected and how the individual signals on these lines are generated, in particular with regard to their temporal behavior, and transmitted on the system bus 8.
  • an interface 9 is provided in the compressed air treatment system 1, which is connected on one side to the system bus 8. On its other side, the interface 9 is connected to a control unit 11 via a customer bus 10.
  • a plurality of customer buses 10, which have different protocols, are provided on the side of the interface 9 connected to the control device 11.
  • the protocol of a customer bus 10 in turn is understood to mean the manner in which the individual lines of the customer bus 10 are electrically connected and how the individual signals on these lines are generated electrically, in particular with regard to their temporal behavior, and transmitted on the customer bus.
  • the different protocols of the customer bus 10 mentioned are provided so that different control devices 11 can be connected directly to the interface 9.
  • a control unit 11, which thus cooperates with another protocol of the customer bus 10, is connected to the corresponding one Protocol provided customer bus 10 of the interface 9 is connected and is therefore ready for use.
  • the protocol of the customer bus 10 and the protocol of the system bus 8 can correspond to one another. In other words, this means that an existing protocol of a customer bus 10 can also be used as the protocol for the system bus 8. In this case, it is possible to connect the control unit 11 to the system bus 8 directly, that is to say without the interface 9 being interposed.
  • the interface 9 can be designed as a further unit.
  • the already existing units 2, 3, 4, 5, 6 and the further unit for the interface 9 can then be assembled in a modular manner to form a uniform device.
  • the individual units 2, 3, 4, 5, 6 are also provided with connections which correspond to the protocol of a customer bus 10 and via which they can be connected directly to the control unit 11.
  • the units 2, 3, 4, 5, 6 described can contain electrical and / or pneumatic components which are acted upon by input signals and / or which emit the output signals. These input signals and / or output signals are routed via the system bus 8.
  • the filter unit 3 prefferably has, for example, a 2-way valve 12 with which the water separator mentioned can be emptied.
  • This 2-way valve 12 is driven by an input signal which is also present on the system bus 8 with the interposition of the control circuit 7.
  • controller unit 4 Furthermore, it is possible for the controller unit 4 to be supplied with an input signal for the desired target value P des of the pressure of the processed compressed air, and / or for the controller unit to generate an output signal which corresponds to the actual value P actual of this pressure .
  • the input and output signals from the controller unit 4 are then again available via the control circuit 7 on the system bus 8.
  • the oiler unit 6 is supplied with an input signal which results in the delivery of a certain amount of oil to the compressed air.
  • a 2-way valve 14 or the like can be provided.
  • an output signal is generated in the oiler unit 6, which corresponds to the fill level of the oil in an oil container, from which the said amount of oil is released to the compressed air. This fill level can in turn be detected, for example, with the aid of an ohmic displacement sensor 15. The input and output signals mentioned are then again available via the control circuit 7 on the system bus 8.
  • the different units 2, 3, 4, 5, 6 can also generate other output signals or can be acted upon by other input signals.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Pipeline Systems (AREA)

Abstract

Système de traitement (1) d'air sous pression, composé d'unités séparées (2 à 6), par exemple d'une unité filtre (3), d'une unité de réglage (4), d'une unité de lubrification (6) et/ou analogues. Ces unités (2 à 6) sont reliées entre elles par un bus (8) de système. En outre, une interface (9) permet de coupler le bus (8) de système à un bus (10) client. Un appareil de commande (11) peut ensuite être connecté au bus (10) client.
EP97953690A 1997-02-21 1997-11-21 Systeme de traitement d'air sous pression Expired - Lifetime EP0960280B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19706895A DE19706895A1 (de) 1997-02-21 1997-02-21 Druckluftaufbereitungssystem
DE19706895 1997-02-21
PCT/EP1997/006531 WO1998037332A1 (fr) 1997-02-21 1997-11-21 Systeme de traitement d'air sous pression

Publications (2)

Publication Number Publication Date
EP0960280A1 true EP0960280A1 (fr) 1999-12-01
EP0960280B1 EP0960280B1 (fr) 2003-01-02

Family

ID=7821046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97953690A Expired - Lifetime EP0960280B1 (fr) 1997-02-21 1997-11-21 Systeme de traitement d'air sous pression

Country Status (4)

Country Link
US (1) US6332917B1 (fr)
EP (1) EP0960280B1 (fr)
DE (2) DE19706895A1 (fr)
WO (1) WO1998037332A1 (fr)

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ITMI20032563A1 (it) * 2003-12-22 2005-06-23 Metal Work Spa Gruppo integrato di trattamento dell'aria in impianti pneumatici
DE102004005982B3 (de) * 2004-02-06 2005-06-30 Festo Ag & Co. Druckluftwartungsvorrichtung
US7387659B2 (en) 2005-02-01 2008-06-17 Parker Hannifin Corporation Pneumatically operated automatic shutoff circuit for controlling the generation of gas
US8763571B2 (en) * 2009-05-07 2014-07-01 Scuderi Group, Inc. Air supply for components of a split-cycle engine
US8813695B2 (en) 2010-06-18 2014-08-26 Scuderi Group, Llc Split-cycle engine with crossover passage combustion
US8833315B2 (en) 2010-09-29 2014-09-16 Scuderi Group, Inc. Crossover passage sizing for split-cycle engine
EP2622187A1 (fr) 2010-10-01 2013-08-07 Scuderi Group, Inc. Moteur en v air-hybride à cycle divisé
CN103443408A (zh) 2011-01-27 2013-12-11 史古德利集团公司 具有阀停用的无效运动可变阀致动系统
CA2825804A1 (fr) 2011-01-27 2012-08-02 Scuderi Group, Inc. Systeme d'actionnement variable des soupapes a mouvement a vide avec synchronisation a cames
EP2864600B1 (fr) 2012-01-06 2018-08-08 Scuderi Group, Inc. Système d'actionnement variable de soupapes à mouvement perdu
US9297295B2 (en) 2013-03-15 2016-03-29 Scuderi Group, Inc. Split-cycle engines with direct injection
US11187419B2 (en) * 2016-12-12 2021-11-30 Pramukha Technologies Pvt. Ltd. System and method for efficient, ambient air purification

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Also Published As

Publication number Publication date
EP0960280B1 (fr) 2003-01-02
US6332917B1 (en) 2001-12-25
WO1998037332A1 (fr) 1998-08-27
DE59709064D1 (de) 2003-02-06
DE19706895A1 (de) 1998-08-27

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