EP1984631A1 - Appareil modulaire d'entretien a air comprime - Google Patents

Appareil modulaire d'entretien a air comprime

Info

Publication number
EP1984631A1
EP1984631A1 EP07702806A EP07702806A EP1984631A1 EP 1984631 A1 EP1984631 A1 EP 1984631A1 EP 07702806 A EP07702806 A EP 07702806A EP 07702806 A EP07702806 A EP 07702806A EP 1984631 A1 EP1984631 A1 EP 1984631A1
Authority
EP
European Patent Office
Prior art keywords
compressed air
module connector
air maintenance
sensor device
maintenance device
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
EP07702806A
Other languages
German (de)
English (en)
Other versions
EP1984631B1 (fr
Inventor
Günter Gebauer
Robert Jachmann
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.)
Festo SE and Co KG
Original Assignee
Festo SE and Co KG
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 Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of EP1984631A1 publication Critical patent/EP1984631A1/fr
Application granted granted Critical
Publication of EP1984631B1 publication Critical patent/EP1984631B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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

Definitions

  • the invention relates to a modular compressed air maintenance device, with a plurality of successively arranged in a row direction and releasably interconnected device modules, wherein at least two device modules are releasably secured together by a module connector placed between them, which has a two fluidic interconnecting the device modules.
  • Compressed air service equipment is generally used to treat and treat the compressed air used in pneumatic systems according to certain criteria. They may contain various types of device modules that have different functionalities, such as power-on valve modules, filter modules, oiler modules, pressure control modules, bleed modules, etc.
  • each showing a compressed air maintenance device of the type mentioned above the various device modules are lined up in a row direction and detachably connected together by arranged between each module module adjacent module connector so that results in a self-supporting assembly.
  • Each module connector contains a perforated intermediate plate whose passage opening ensures a fluidic connection between the adjacent device modules, so that a complete unit modules Anlagen- through. pulling compressed air channel results.
  • the compressed air to be treated is fed via a compressed air inlet, coming from a compressed air source, in the compressed air maintenance device and occurs after passing through all the device modules in the desired recycled form at a compressed air outlet again. From there, the treated compressed air reaches one or more consumers.
  • Device modules is equipped as the desired treatment of the compressed air actually requires.
  • the object of the present invention to provide a modular compressed air maintenance device that allows condition monitoring of the compressed air while maintaining compact dimensions using relatively simple means.
  • the module connector serving to connect two adjacent device modules is equipped with at least one sensor device connected to its passage opening.
  • the compressed air maintenance device contains two or more device modules.
  • the module connector connecting these device modules is designed according to the invention. If there are more than two device modules, depending on requirements, only one or more or all or all of the connections of two adjacent device modules can continue to be realized by a module connector equipped according to the invention.
  • the affected module connector assumes a dual function by not only being responsible for the mechanical coupling of two adjacent device modules, but at the same time acting as a support for at least one sensor device.
  • the module connector also for condition detection of the maintenance unit flowing through the compressed air.
  • the existing device modules can thus continue in the usual way and without Um-
  • the module connector could, if a corresponding electronic equipment is present, also have interface means that allow a connection to an internal bus of the compressed air maintenance device.
  • the type of existing sensor device is based on the monitoring requirements. It may be, for example, a pressure sensor device, a flow sensor device, a temperature sensor device or a humidity sensor device, wherein one and the same module connector can be equipped simultaneously with a plurality of different sensor devices and wherein there is also the possibility to provide within a maintenance device several module connector with mutually different features on sensor devices.
  • module connector is structurally designed so that it can be functionally combined with device modules of compressed air service devices already on the market, it is also suitable for cost-effective retrofitting of existing compressed air service devices.
  • connection of the at least one sensor device to the through-opening of the module connector is expediently carried out via at least one tap-off channel passing through the module connector, which preferably runs in a plane which is perpendicular to the row direction of the device modules.
  • a single tap channel can suffice - for example for pure pressure detection - or multiple tap channels may be useful or necessary - for example for determining compressed air flow values according to the differential pressure principle.
  • the at least one sensor device is expediently arranged in the region of the outer surface of the associated module connector oriented at right angles to the row direction. This makes it easily accessible from the side of the service unit. Based on the installation position of the maintenance device can the sensor device can be placed at the top, bottom, front or at the back as needed.
  • integration has the advantage that the existing construction volume of the module connector can be utilized in order to ensure space-saving housing.
  • it is particularly appropriate to accommodate the sensor device completely or partially recessed in a receiving recess arranged in the region of the outer surface of the module connector.
  • An equipment of the sensor device with electrical interface means allows easy communication with an external electronic evaluation device. Therefore, no additional interfaces are required on the device modules.
  • An equipment of the sensor device with optical display means allows a clear on-site control. If necessary, manually operable input means may also be present, for example to teach a suitably equipped sensor device. Additionally or alternatively, the sensor device may also contain acoustic signaling means in order to be able to draw attention to certain events not directly on-site staff.
  • the module connector includes an intermediate plate having the passage opening and perpendicular to the row direction between the intermediate module plate to be connected, which in a direction perpendicular to the row direction. tion direction is flanked on opposite sides of each one Beaufschlagungspian the module connector.
  • the Beaufschlagungs redesign are formed so that they can cooperate with associated holding portions of the device modules to be coupled, the interaction is suitably supported by clamping means, for example in the form of one or more clamping screws.
  • the loading bodies can be acted on in the sense of a mutual approach, whereby they are pressed against the holding sections in such a way that the device modules are clamped together in the row direction, whereby they bear against the intermediate plate from opposite sides.
  • an admission body with the intermediate plate is combined to form a unit which can be labeled as an application unit, in particular in one-piece construction.
  • the at least one sensor device in particular at least one of the Beauftschungs stresses, although it would in principle also be possible to equip the intermediate plate with at least one sensor device. If an admission unit is present, the sensor device is expediently located on or in the separate admission body.
  • FIG. 1 shows a preferred construction of the invention
  • Compressed air service unit in plan view in strong schematic representation, showing one module connector in the installed state and another module connector before installation,
  • FIG. 2 shows a detail of a device module of the compressed air service device of FIG. 1 in a perspective detail view in the installed state of a module connector, wherein the second device module cooperating with this module connector is only indicated by dot-dash lines for the sake of clarity;
  • Section line III-III of Figures 2 and 4 in a direction perpendicular to the row direction of the device modules cutting plane
  • Figure 4 shows a section through the arrangement of Figures 2 and 3 along section line IV-IV in a rotated with respect to Figure 3 by 90 ° cutting plane, in which case the mutually facing end portions of both by the module connector mechanically coupled device modules are visible.
  • the designated in its entirety by reference numeral 1 modular compressed air maintenance device includes a plurality of successively arranged in a row direction 2 device modules 3, of which each directly successive by a respective module connector 4 are releasably connected to each other.
  • the device modules 3 and the module connector 4 form in this way a self-supporting assembly in the form of the compressed air maintenance device.
  • 1 Through the service unit 1 passes through a compressed air channel 5, which opens at the two end-side device modules 3, 3a, 3b, in one case with a compressed air inlet 6 and in the other case with a compressed air outlet 7.
  • These two ports 6, 7 can in principle be arbitrarily placed and oriented, wherein they are in the embodiment of the two oriented in the row direction 2 faces of the module assembly each final device module 3a, 3b are located.
  • the compressed air inlet 6 and the compressed air outlet 7 are each designed to be able to connect a compressed air line 8a, 8b, preferably releasably. These compressed air lines 8a, 8b are regularly part of a laid at the site of compressed air maintenance device 1 piping system. During operation of the compressed air maintenance device 1, it is supplied via the compressed air line 8a with untreated compressed air which, after passing through the compressed air duct 5 passing through the service device 1, is discharged in the desired manner via the other compressed air line 8b to one or more connected consumers can.
  • the compressed-air inlet 6 and the compressed-air outlet 7 can be equipped, for example, with threaded means and / or with plug connection devices for the connection of the compressed air lines 8a, 8b.
  • the compressed air channel 5 is composed of several running in the individual device modules 3 channel sections 13, which are connected to each other during assembly of the device modules 3 under seal and complement each other to the compressed air channel 5.
  • the channel openings 12 of the channel sections 13 of two consecutive gender device modules 3 in alignment.
  • the arranged between the device modules 3 module connector 4 has a continuous in the row direction 2 through hole 14, the coaxial between the two channel openings 12 to come s and whose cross-section is at least as large as that of the aforementioned channel openings 12 to allow unhindered passage of compressed air to ensure.
  • the number, type and sequence of summarized in the compressed air maintenance device 1 device modules 3 is basically lo any and is based on the needs of the user. According to FIG. 1, for example, it is a start-up valve module, a subsequent pressure control module and a subsequent filter module.
  • the pressure control module is shown in Figure 2 in its entirety.
  • the module connector 4 which couples the pressure control module to the downstream filter module is shown in FIG.
  • the device module 3 designed as a start-up valve module, contains a not shown in detail, electrically or manually operated.
  • the pressure control module By the pressure control module, the pressure of the compressed air can be adjusted to a relation to the input pressure reduced working pressure.
  • the filter module
  • 25 holds a filter device for filtering contaminants from the compressed air.
  • the sensor device 15 is a pressure sensor device 15a in both embodiments. In this way, in the embodiment of the pending before the pressure control module input pressure and the pending after the pressure control module output pressure can be checked. This allows a control of the correct operation of the pressure control module or other diagnostic measures.
  • the module connectors 4 have a total of a disc or plate-shaped flat shape and are incorporated between adjacent device modules 3, that their Hauptausdehnungs- level perpendicular to the row direction 2 extends. They therefore have a relatively narrow peripheral edge which defines the outer surface 16 of the module connector 4 which is radially oriented with respect to the row direction 2.
  • the sensor device 15 is preferably placed in the region of this outer surface 16 and is therefore easily accessible even when the module connector 4 is installed from the side of the compressed air service device 1.
  • first tap channel 17 For the pressure tap in the passage opening 14 of the module connector 4 includes a first tap channel 17, which is connected on the one hand to the sensor device 15 and the other part to the passage opening 14.
  • the connection to the passage opening 14 is made simply by the fact that the first te tap channel 17 opens at the peripheral side wall 22 of the through hole 14 in this.
  • a second tap channel 18 is indicated, which opens in the row direction 2 at a distance from the first tap channel 17 into the through hole 14, so that in conjunction with not shown, a pressure drop of the flowing compressed air causing means a pressure difference can be measured can be used in a flow sensor device for determining the compressed air flow rate.
  • two further types of possible sensor devices 15 are indicated by dot-dash lines, on the one hand a temperature sensor device 15b and on the other hand a humidity sensor device 15c.
  • the former makes it possible to monitor the temperature of the flowing compressed air, the second one to control the relative humidity of the compressed air.
  • the connection with the passage opening 14 is also realized here via at least one tap channel, which is not shown in the drawing, however.
  • the applied measuring principle can be made via the at least one tap channel 17, 18, a fluid connection to the affected sensor device 15 or it runs in the tap channel at least one electrical conductor, in which case the remaining channel cross section may be poured with a potting compound if necessary.
  • the latter applies in particular to a temperature detection by means of a placed in the through hole 14 thermocouple.
  • the at least one tap channel 17, 18 expediently always runs in a plane perpendicular to the row direction 2, specifically in a straight line in a straight line.
  • the sensor device 15 can be attached externally to the outer surface 16. This variant will be selected primarily for compressed air service devices 1 small flow rates in which the volume of the module connector 4 is not sufficient to accommodate the sensor device 15.
  • the drawing shows a more advantageous variant in which the sensor device 15 is accommodated in a receiving recess 23 of the module connector 4 that is open towards the outer surface 16.
  • the sensor device 15 expediently presents itself as a compact sensor unit with a sensor housing 24, in particular made of plastic, which receives the required electronic and mechanical sensor means 25.
  • the sensor device 15 designed in this way is countersunk in the essentially complementary receiving recess 23 and projects in the embodiment only with electrical interface means 26 and - slightly - with optical display means 27 out of the receiving recess.
  • the sensor device 15 By means of at least one fastening device 28 passing through the sensor device 15, the sensor device 15 is detachably fixed to the module connector 4.
  • Other fastening means would also be conceivable.
  • the sensor device 15 could be held on the module connector 4 by an adhesive connection.
  • the electrical interface means 26 allow an electrical connection of the sensor device 15 to an external electronic control device which is able to process the generated sensor signals. In this way, for example, a warning signal can be generated in the event of a state of the compressed air that does not correspond to expectations, or even a switching process by which, for example - if damage threatens - the switch-on valve module is switched to the closed position.
  • the visual display means 27 makes possible a visually recognizable status display. This is, for example, an LED with a circulating light guide. Alternatively or additionally, an LCD monitor could also be present.
  • the sensor device 15 can also be equipped with only manually indicated input means 32, for example one or more feeler elements. With a corresponding configuration of the sensor device 15, this makes it possible, for example, to input threshold values at which the sensor device 15 should initiate a certain action.
  • the at least one tap channel 17, 18 opens at its end opposite the passage opening 14 on a base surface 33 of the module connector 4, at which the installed sensor device 15 comes into contact with a bottom surface 34. At this bottom surface 34 opens one of the
  • the measuring channels 35 communicate with the tap channels 17, 18 in the correct assignment with the aligned openings
  • This base surface 33 is, in particular, the base of the receiving recess 23. Sealing means not shown in detail provide a tight connection between the measuring channels 35 and the tapping channels 17, 18. They are expediently part of the sensor device 15.
  • the module connector 4 which is designed in a particularly advantageous manner, contains an intermediate plate 36 which engages between the device modules 3 to be connected to one another and which is oriented so that its plate plane 37 runs at right angles to the row direction 2. It is, in particular at a central position Ie, perforated, wherein the preferred circular hole forms the above-mentioned passage opening 14.
  • the intermediate plate 36 is flanked on opposite sides of each one Beaufschlagungsêt 42, 43.
  • the latter have a substantially beam-like shape with a longitudinal extent in the plate plane 37 and at right angles to the loading direction 38.
  • Their width measured in the row direction 2 is preferably greater than that of the intermediate plate 36.
  • Both Beauftschungsharm 42, 43 have in the row direction 2 on both sides of the intermediate plate 36 each have a Beauftschungskontur 44. This contains at least one with respect to the plate plane 37 inclined first inclined surface 44a, which faces the intermediate plate 36, but from this with increasing approach to the passage opening fourteenth away.
  • Each application contour 44 cooperates with a holding section 45 arranged on the associated device module 3.
  • the latter defines a second inclined surface 45 a with the same oblique surface 45 a. course as the first inclined surface 44a, but with an orientation facing away from the intermediate plate 36 orientation.
  • the two Beauftschungs stresses 42, 43 are now so attached to the 5 interposed with the interposition of the intermediate plate 36 set modules 3 can be applied that they engage behind the second inclined surfaces 45a in the row direction 2 with their first inclined surfaces 44a.
  • the tensioning means 46 may consist, for example, of two tensioning screws 47, which extend in the urging direction 38, spaced apart from one another, transversely to the loading direction 38. Another number of clamping screws i5 47 would also be conceivable.
  • the tensioning bodies 42, 43 clamped together act on the holding sections 45 with their application contours 44 and thus act upon the device modules 3 in such a way that they are in the direction of row 2 in the direction
  • the two plate surfaces 52 are each formed around the mouth of the through hole 14 around as a sealing surface on which a sealing ring 53 sealingly comes to rest.
  • the sealing ring 53 is seated in an axially open annular groove of End face 48, wherein it surrounds the associated channel opening 12, so that the joining surfaces between the intermediate plate 36 and the respective associated end face 48 is sealed and in the connecting region of the device modules 3 no compressed air can escape.
  • the one, first Beauftschungs stresses 42 and the intermediate plate 36 are combined to form a preferably one-piece unit, which is referred to as Beauftschungsaku 54.
  • the clamping screws 47 extending in the urging direction 38 respectively penetrate the separate second loading body 43, on which they bear their screw heads 55, and extend within the loading unit 54, in which they are screwed into an internal thread 56.
  • the placement location for the internal threads 56 is in principle arbitrary. If, however, two separate Beaufschlagungs stresses 42, 43 are present, the internal threads 56 are in the first BeaufschlagungsMech 42nd
  • the sensor device 15 is located on or in the separate second admission body 43 as an example.
  • the row direction and the application direction 38 run horizontally, the second admission body 43 equipped with the sensor device 15 lying in particular on the front side.
  • one or more sensor devices 15 can also be arranged at another location on or in the module connector 4.
  • FIG. 3 shows in dash-dotted lines an additional or alternative equipment of the first application body 42 with a sensor device 15, 15c, as well as an equipment of the intermediate plate 36 with a sensor device 15, 15b.
  • a sensor device 15 may be located in particular on the front side, on the rear side, on the bottom side and / or on the top side of the module connector 4.
  • the at least one tap channel 17, 18 is subdivided into two channel sections, one of which in the intermediate plate 36 and the other in FIG the second Beauftschungs stresses 43 runs.
  • the channel section openings are aligned and are surrounded by a sealing ring 57, which prevents escape of compressed air to the outside.
  • one, several or all of the existing module connectors 4 may be equipped with a sensor device 15 in the manner according to the invention.
  • the sensor device 15 By combining the sensor device 15 with a module connector 4, a cost-effective monitoring and diagnostic function is possible.
  • the application can be application-oriented and extremely flexible. Additional interfaces on the device modules 3 are unnecessary, as well as no spe- ziellen further device modules are needed. Practically any functionalities are conceivable for the sensor device 15, in particular also as a pressure sensor with window comparator functionality.
  • electrical interface means 26 and wireless interface means would be conceivable, in particular radio interface means.
  • a data bus extending in the row direction 2 can be present, to which the sensor means 15 can also be coupled.
  • the module connector 4 expediently contains an electrical interface enabling the connection to this internal bus.

Abstract

L'invention concerne un appareil modulaire d'entretien à air comprimé qui présente plusieurs modules (3) d'appareil reliés les uns aux autres de manière libérable et disposés les uns derrière les autres dans une direction d'alignement (2). Au moins deux modules (3) d'appareil sont fixés l'un à l'autre de manière libérable par un raccord (4) de modules placé entre eux et le raccord de modules (4) présente une ouverture de passage (14) par laquelle les deux modules (3) d'appareil sont reliés l'un à l'autre à écoulement. Le raccord (4) de modules est équipé d'au moins un dispositif de détection (15) qui est raccordé à l'ouverture de passage (14) et qui permet de surveiller les valeurs d'état de l'air comprimé qui s'écoule.
EP07702806A 2006-02-16 2007-01-17 Appareil modulaire d'entretien a air comprime Not-in-force EP1984631B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006007103A DE102006007103B4 (de) 2006-02-16 2006-02-16 Modulares Druckluft-Wartungsgerät
PCT/EP2007/000349 WO2007093257A1 (fr) 2006-02-16 2007-01-17 Appareil modulaire d'entretien a air comprime

Publications (2)

Publication Number Publication Date
EP1984631A1 true EP1984631A1 (fr) 2008-10-29
EP1984631B1 EP1984631B1 (fr) 2011-03-02

Family

ID=38329012

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07702806A Not-in-force EP1984631B1 (fr) 2006-02-16 2007-01-17 Appareil modulaire d'entretien a air comprime

Country Status (5)

Country Link
US (1) US7931309B2 (fr)
EP (1) EP1984631B1 (fr)
CN (1) CN101384826A (fr)
DE (2) DE102006007103B4 (fr)
WO (1) WO2007093257A1 (fr)

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JP5017152B2 (ja) * 2008-03-14 2012-09-05 株式会社コガネイ コネクタ
DE102008060368A1 (de) * 2008-12-03 2010-06-10 Schneider Druckluft Gmbh Dosenvorrichtung
JP5565634B2 (ja) 2011-05-09 2014-08-06 Ｓｍｃ株式会社 流体圧機器の接続装置
DE102011101398B4 (de) 2011-05-13 2021-10-21 Festo Se & Co. Kg Druckluft-Wartungseinheit
USD813069S1 (en) * 2016-05-02 2018-03-20 Honeywell International, Inc. Cage for sensor, or the like
DE102017130156A1 (de) * 2017-12-15 2019-06-19 Eugen Forschner Gmbh Verriegelungsvorrichtung
DE102018202416A1 (de) * 2018-02-16 2019-08-22 Festo Ag & Co. Kg Verbrauchersteuervorrichtung und Steuerungsverfahren

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Also Published As

Publication number Publication date
EP1984631B1 (fr) 2011-03-02
DE102006007103B4 (de) 2009-02-26
US20100225105A1 (en) 2010-09-09
DE502007006602D1 (de) 2011-04-14
DE102006007103A1 (de) 2007-09-06
US7931309B2 (en) 2011-04-26
WO2007093257A1 (fr) 2007-08-23
CN101384826A (zh) 2009-03-11

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