EP1935839B1 - Dispositif de remplissage de liquides dans des récipients ou de rinçage de récipients, ainsi que procédé de reconnaissance de fonctions d'erreurs de commande dans de tels dispositifs - Google Patents

Dispositif de remplissage de liquides dans des récipients ou de rinçage de récipients, ainsi que procédé de reconnaissance de fonctions d'erreurs de commande dans de tels dispositifs Download PDF

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Publication number
EP1935839B1
EP1935839B1 EP07021602A EP07021602A EP1935839B1 EP 1935839 B1 EP1935839 B1 EP 1935839B1 EP 07021602 A EP07021602 A EP 07021602A EP 07021602 A EP07021602 A EP 07021602A EP 1935839 B1 EP1935839 B1 EP 1935839B1
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European Patent Office
Prior art keywords
control
valve
pressure
switching
vessels
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EP07021602A
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German (de)
English (en)
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EP1935839A1 (fr
Inventor
Thomas Zech
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Krones AG
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Krones AG
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Priority to PL07021602T priority Critical patent/PL1935839T3/pl
Priority to SI200730596T priority patent/SI1935839T1/sl
Publication of EP1935839A1 publication Critical patent/EP1935839A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
    • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
    • B67C3/007—Applications of control, warning or safety devices in filling machinery

Definitions

  • the invention relates to a device for filling, in particular for sterile filling, of liquids, in particular beverages, in vessels, such as bottles or cans, or a device for rinsing such vessels according to the preambles of claims 1 and 2.
  • the invention further relates to a method for detecting control malfunctions in such a device for filling or rinsing.
  • An apparatus for filling according to the preamble of claim 1 is known from DE10000793 known.
  • This document discloses a filling member in which a transporting the product can be opened and closed by means of a diaphragm valve.
  • a control air valve is used for controlling the diaphragm valve. If the control air valve is in the open state, compressed air is applied to the membrane of the diaphragm valve, whereby it is closed or opened. The compressed air is supplied to the control air valve from a compressed air source via a supply channel. From the DE10000793 It is also known to provide a sensor which monitors the pressure of the control compressed air in the supply channel.
  • the known filling member can not make the quality of the bottled products sufficiently secure.
  • several functions are required, depending on the type of filling. These include, for example, pre-evacuating, intermediate rinsing, filling and relieving. If an error occurs in the System on, so it is not possible with the known filling organ to detect the source sufficiently precise. If, for example, a steam treatment or sterilization process is not carried out properly during sterile filling, the filled product can be bottled contaminated. Such a system error can be revealed in the conventional system only after filling in a batch test. In the worst case, even the consumer can detect a problem.
  • An apparatus for rinsing according to the preamble of claim 2 is made EP 0 588 134 A1 known.
  • such a device has a switching valve, in particular a diaphragm valve, for opening and closing an associated medium supply line and at least one control valve, in particular a solenoid valve, for opening and closing the associated switching valve by means of control air.
  • a switching valve in particular a diaphragm valve
  • at least one control valve in particular a solenoid valve
  • several medium supply lines can be provided.
  • a sterilization line a pre-evacuation line, an intermediate rinse, a fill, a release and a CIP (Cleaning in Place) treatment.
  • the medium supply line usually introduces a fluid, such as sterile air, steam, ozone water, peracetic acid, hydrogen peroxide or the like, into the vessels to be rinsed.
  • a fluid such as sterile air, steam, ozone water, peracetic acid, hydrogen peroxide or the like
  • a means for detecting the pressure in the control air line is provided in the or the control air lines between the individual switching valves and their associated control valves.
  • Pressure detection means can determine whether in the sequence of a control signal which is applied to the control valve to switch this, actually a switching operation, from the closed to the open state or vice versa, takes place, or whether the control valve is defective.
  • a further means for detecting the pressure may also be arranged in the medium supply line.
  • a further means for detecting the pressure may also be arranged in the medium supply line. In this case, not only is it possible to check whether the actuated control valve is functioning correctly, but it is also checked that the opening or closing of the switching valve has actually occurred. For example, if diaphragm valves are used, it can be determined whether the diaphragm is still tight.
  • the means for detecting the pressure may be a strain gauge.
  • a filling plant usually has a multiplicity of devices for filling and a multiplicity of devices for rinsing the vessels. Since each of these devices usually more switching valves and Control valves are arranged, the introduction of pressure sensing means for each control valve brings a significant increase in costs. The use of cost-effective strain gauges makes it possible to minimize this negative impact and at the same time ensure the desired measuring accuracy. Due to the small size of such a pressure detection means, the complexity of the filling system remains manageable.
  • the device may further comprise a control unit for switching the at least one control valve and an evaluation unit for detecting control malfunction of the control valve by measuring the pressure in the control air line. Thanks to the evaluation unit, it is possible to diagnose errors in a targeted manner, thereby keeping downtimes of the plants short.
  • the device may further comprise a memory unit for storing detected pressures and the control signals of the control unit.
  • a memory unit for storing detected pressures and the control signals of the control unit.
  • the invention further relates to a method for detecting control malfunctions in a device for filling, in particular for sterile filling of liquids, in particular beverages, in vessels, in particular bottles or cans, or for rinsing the vessels with at least one switching valve, in particular a diaphragm valve, for opening and closing an associated medium supply line and at least one control valve, in particular a solenoid valve, for opening and closing the associated switching valve by means of control air comprising the steps of: outputting a switching signal for switching the control valve, measuring the pressure in the medium supply line and / or the control air line between the switching valve and the control valve, issuing an error message if, after the switching operation, the measured pressure does not correspond to a predetermined pressure or lies within a predetermined pressure range ,
  • a pressure difference which is then compared with a predetermined pressure difference or a predetermined range of a pressure difference.
  • the pressure difference results from the pressure before and after the switching operation, before and after receiving a control signal.
  • the measured pressures can be stored in a memory unit.
  • it can also be checked at a later date, whether there was a problem with the filling or the rinsing or did not come to a problem. If in the latter case, the product later still have a problem, then the Beverage manufacturers prove that their productions section did not malfunction.
  • control signals for switching over the control valve may also be stored in the memory unit.
  • the measured pressure in each case a control signal can be assigned, and this at a later time to, as already mentioned above, to be able to prove that it has not come to a malfunction during filling or rinsing of the vessels, or the cleaning process of the switching valves ,
  • the error messages may relate to a faulty control valve, if after switching or control signal, the pressure in the control air line remains substantially unchanged.
  • a constant signal as a result of a control signal can be easily detected, and accordingly easily implemented.
  • the error message may relate to a faulty switching valve, if after the switching of the control valve, the pressure in the medium supply line remains substantially constant. It is thus possible with simple means to identify the source of error - defective switching valve at constant pressure in the control air supply, or defective control valve at a constant pressure in the medium supply line - and thus to ensure quality assurance of the filled liquids, or the purified bottles.
  • FIG. 1 shows a first embodiment of a device for filling, in particular for sterile filling, of liquids, in particular beverages, in vessels, in particular bottles or cans according to the invention.
  • the filling member 1 comprises a valve block 3 with a plurality of switching valves 5, 7, 9, 11, which are designed here as a diaphragm valve. These valves 5, 7, 9, 11 are connected to various media lines 13, 15, 17, 19, for example, a steam supply line, a pre-evacuation line, an inert gas line and a discharge gas line, as used in the sterile filling of liquids used. Further Valves and supply lines can be provided, for example for sterilizing, for intermediate rinsing or for performing a CIP (Cleaning in Place) process. Likewise, fewer media lines could be provided.
  • the conduit 21b opens into a supply pipe 23.
  • This supply pipe 23 passes through the valve body 25 of a product valve 27.
  • the product valve serves to remove the product, e.g. a beverage which is provided via the product supply 29, with open valve 27 in a vessel 31, here a bottle to run.
  • the drive 33 for the product valve 27 is arranged at the top of the filling member 1.
  • the already mentioned bottle 31 is sealingly attached to the filling member 1 via a seal 35.
  • the supply pipe 23 ends with its mouth opening 37 in the region of the bottle neck.
  • the just described part of the filling member 1 is only illustrative, in addition to other media lines, it is also possible to supply the media via its own channels to the vessel or other ways, not through the product valve, to open into the bottle.
  • the valves 5, 7, 9, 11 are pneumatically actuated diaphragm valves, which are switched by means of control air, for example, opened by pressurization and closed by a return spring.
  • a control air source 39 which can supply control air, in particular compressed air, to the corresponding switching valves 5, 7, 9, 11 via a central supply or control air duct 41 and individual control air ducts 43, 45, 47, 49.
  • Each individual control air channel 43, 45, 47, 49 is still a Control valve 51, 53, 55, 57, for example, electrically controllable solenoid valves, via the compressed air in the open state via the respective associated control air channel to the respective switching valve 5, 7, 9, 11 passes.
  • the control valves 51, 53, 55, 57 are actuated via a control unit 59.
  • a means for detecting the pressure 61, 63, 65, 67 arranged in the respective regions of the individual control air lines 43, 45, 47, 49 between the respective control valve 51, 53, 55, 57 and the associated switching valve 5, 7, 9, 11 is further a means for detecting the pressure 61, 63, 65, 67 arranged.
  • the measurement results of these means for detecting the pressure 61, 63, 65, 67 are connected to an evaluation unit 69. This analyzes the measurement results as a function of the control signals output by the control unit 59 to the respective control valves 51, 53, 55, 57.
  • a memory unit 71 is also provided; This saves the measurement results and the associated switching signals.
  • the product valve 27 can also be switched pneumatically.
  • a corresponding means for detecting the pressure may be provided, which is also connected to the control unit 59 and the evaluation unit 69.
  • the means for detecting the pressure 61, 63, 65, 67 in the associated control air lines in connection with the evaluation unit 69 and the storage unit 71 which may also be referred to as a separate diagnostic device, it is possible to ensure the correct functioning of the control valves 51 , 53, 55, 57 monitor.
  • This has the advantage that, especially with sterile drinks, the product quality and the cleaning processes of the filling organs can be better controlled.
  • the evaluation unit 69 a malfunction can be diagnosed immediately and the filling member 1 can be repaired or replaced correspondingly quickly. Thus, long service life of the filling machines are prevented for error detection.
  • FIG. 2 shows a second embodiment of the device for filling according to the invention.
  • the second embodiment comprises a further means for detecting the pressure in the medium line 73 on the output side of the switching valve 11.
  • corresponding sensors can also be mounted here, which are also connected to the evaluation unit 69.
  • FIG. 3 shows a third embodiment of an apparatus according to the invention for rinsing vessels, in particular for rinsing bottles or cans.
  • This device is hereinafter referred to as rinsing device 81.
  • the rinsing device 81 ejects empty bottles 83, for example made of glass or plastic, with a fluid, for example sterile air, steam, peracetic acid, hydrogen peroxide, ozone, sterile water or the like or mixtures thereof.
  • This rinsing device 81 is used in known rinsers.
  • the rinsing device 81 comprises a nozzle 85, which can also be introduced into the interior of the bottle 83 as needed. Via the channel 87 of the nozzle 85, the rinsing agent is provided. Via a switching valve 89, in particular a pneumatic switching valve, the channel 87 with a fluid source 105 is connectable.
  • the switching valve 89 is connected via a control valve 91, such as above, for example, an electrically controllable solenoid valve.
  • This control valve 91 is provided in a control air line 93, via the control air from a control air source 95, eg compressed air tank can be supplied.
  • a means for detecting the pressure 97 is located in the control air line between the control valve 91 and switching valve 89, a means for detecting the pressure 97.
  • the means for detecting the pressure 97 is connected to an evaluation unit 99, the control valve 91 is connected to a control unit 101. Both units 99, 101 are further connected to a memory unit 103.
  • an independent diagnostic device can be provided, which can immediately determine when a switching valve is faulty and generates error signals, but also demonstrated that the required procedural steps were actually carried out in the rinsing, so as to be able to occupy that a possibly defective end product is not due to the rinser.
  • a corresponding means (not shown) for detecting the pressure may also be provided in the fluid line 87.
  • This additional means is connected to the evaluation unit 99 in connection. This will also the diagnosis of the functionality of the switching valve 89 checked.
  • the method according to the invention for detecting malfunctions in a device for filling, in particular for sterile filling, of liquids, in particular beverages, in vessels, in particular bottles or cans, or the rinsing of the vessels on the basis of the devices according to the invention described above, and thus also their How does it work? FIG. 4 described.
  • one of the control valves 51, 53, 55, 57 or 91 receives an operation-dependent switching signal from the associated control unit 59 or 101 (step S1). Following this switching signal, in the respective control air supply lines 43, 45, 47, 49 and 93, respectively, with the aid of the associated means for detecting the pressure 61, 63, 65, 67 and 97, the pressure in the respective associated control air line 43, 45, 47, 49, 93 measured (step S2).
  • step S3 the evaluation unit 69 or 99 then checks whether the measured pressure corresponds to a predetermined pressure or lies within a predetermined pressure range. Eventually, a pressure difference can also be determined by the evaluation unit 69 or 99, namely measured pressure before the switching signal minus the measured pressure after the switching signal and compared with a corresponding predetermined pressure difference or a predetermined pressure difference range. If the pressure or the pressure difference corresponds to the desired result, this result and / or the measured pressure and / or the associated switching signal are stored in the memory unit 71 or 103 (step S4). Alternatively or additionally, the pressure on the input side before the control valves measured and possibly
  • Pressure difference values are determined before and after the control valves. According to a variant, it is concluded that a faulty control valve, if after switching the pressure on the output side of the control valves in the associated control air line remains substantially constant. If necessary, it can then be checked later whether all process steps have been carried out correctly for a certain batch during filling or rinsing.
  • step S5 If the evaluation unit 69 or 99 determines that the measured pressure does not correspond to the desired range or not to the desired value, there is an error. Accordingly, an error message is output (step S5). Thus, it can be diagnosed that a control valve 51, 53, 55, 57, and 91 is defective and has not switched to a switching signal. The measurement result is then stored in the memory 71 or 103 together with the associated switching signal in the same way as in the correct case (step S4).
  • a further means for measuring the pressure 75 may be provided on the output side of the switching valves in the medium supply line 73.
  • the corresponding pressure is measured here after sending a switching signal and compared with a predetermined value or a predetermined range of values, whereupon, when a correct value, the measured values and control signals are stored only while an erroneous value, an error message is issued, whereupon you can conclude which of the switching valves is faulty. It can also be concluded that a faulty switching valve, if after switching the Control valve, the pressure in the medium line remains substantially constant.

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  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Basic Packing Technique (AREA)

Claims (11)

  1. Dispositif pour remplir des récipients, notamment des bouteilles ou des boîtes de manière stérile avec des liquides et en particulier des boissons, dispositif comportant au moins une soupape de commutation (5, 7, 9, 11), notamment une soupape à membrane pour ouvrir et fermer une conduite de liquide (13, 15, 17, 19), au moins une vanne de commande (51, 53, 55, 57), notamment une électrovanne pour ouvrir et fermer la soupape de commutation (5, 7, 9, 11) correspondante par une commande pneumatique,
    dispositif caractérisé par
    un moyen (61, 63, 65, 67) pour saisir la pression dans la conduite d'air comprimé (43, 45, 47, 49) entre la soupape de commutation (5, 7, 9, 11) et la vanne de commande (51, 53, 55, 57).
  2. Dispositif de rinçage de récipient, notamment de bouteilles et de boîtes comportant au moins une soupape de commutation (89), notamment une soupape à membrane pour ouvrir et fermer une conduite de liquide correspondante (87), au moins une soupape de commande (91), notamment une électrovanne pour ouvrir et fermer la soupape de commutation (89), correspondante, par de l'air comprimé,
    dispositif caractérisé par
    un moyen (97) pour saisir la pression dans la conduite d'air de commande (93) entre la soupape de commutation (89) et la vanne de commande (91) .
  3. Dispositif selon la revendication 1 ou 2,
    selon lequel
    il est prévu un autre moyen (75) pour saisir la pression régnant également dans la conduite de liquide (13, 15, 17, 19, 87, 73).
  4. Dispositif selon l'une des revendications 1 à 3,
    selon lequel
    le moyen (61, 63, 65, 67, 75) pour saisir la pression, est un capteur de mesure à jauge de contrainte.
  5. Dispositif selon l'une des revendications 1 à 4, comportant une unité de commande (59, 101) pour commuter au moins une soupape de commutation (5, 7, 9, 11, 89) et une unité d'exploitation (69, 99) pour reconnaître les fonctions d'erreur de commande de la soupape de commande (51, 53, 55, 57, 91) par la mesure de la pression dans la conduite d'air comprimé (43, 45, 47, 49, 93).
  6. Dispositif selon l'une des revendications 1 à 5, comportant une mémoire (71, 103) pour enregistrer la pression saisie et les signaux de commande de l'unité de commande (59, 101).
  7. Procédé de reconnaissance de fonctionnement de commande défectueux dans un dispositif de remplissage, notamment de remplissage stérile de liquide, notamment de boissons dans des récipients, notamment des bouteilles ou des boîtes ou encore pour rincer des récipients avec au moins une soupape de commutation (5, 7, 9, 11, 89), notamment une soupape à membrane pour ouvrir et fermer une conduite correspondante (13, 15, 17, 19, 87), au moins une soupape de commande (51, 53, 55, 57, 9 1), notamment une électrovanne pour ouvrir et fermer la soupape de commutation (5, 7, 9, 11, 89) par commande pneumatique, comprenant les étapes suivantes :
    - l'émission d'un signal de commutation pour commuter la soupape de commande (51, 53, 55, 57, 91),
    - la mesure de la pression dans la conduite d'air de commande (43, 45, 47, 49, 93) entre la soupape de commutation (5, 7, 9, 11, 89) et la soupape de commande (51, 53, 55, 57, 91),
    - l'émission d'un signal de défaut si après l'opération de commutation, la pression mesurée ne correspond pas à une pression prédéfinie ou se situe dans une plage de pression prédéfinie.
  8. Procédé selon la revendication 7,
    selon lequel
    en plus, on enregistre les pressions mesurées dans une mémoire (71, 103).
  9. Procédé selon la revendication 7 ou 8,
    selon lequel
    en plus, on mémorise les signaux de commande pour commuter la soupape de commande (51, 53, 55, 57, 91) dans la mémoire (71, 103) pour les enregistrer.
  10. Procédé selon l'une des revendications 7 à 9,
    selon lequel
    le message de défaut concerne une soupape de commande défectueuse (51, 53, 55, 57, 91) si après la commutation de la pression dans la conduite d'air de commande (43, 45, 47, 49, 93), reste pratiquement constante.
  11. Procédé selon l'une des revendications 7 à 10,
    selon lequel
    le message de défaut concerne une soupape de commutation défectueuse (5, 7, 9, 11, 89) si après la commutation de la soupape de commande (51, 53, 55, 57, 91), la pression reste pratiquement constante dans la conduite du milieu (13, 15, 17, 19, 73).
EP07021602A 2006-12-22 2007-11-07 Dispositif de remplissage de liquides dans des récipients ou de rinçage de récipients, ainsi que procédé de reconnaissance de fonctions d'erreurs de commande dans de tels dispositifs Active EP1935839B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL07021602T PL1935839T3 (pl) 2006-12-22 2007-11-07 Urządzenie do rozlewania płynów do naczyń lub do płukania naczyń oraz sposób rozpoznawania błędów sterowania w takich urządzeniach
SI200730596T SI1935839T1 (sl) 2006-12-22 2007-11-07 Naprava za polnjenje tekoäśin v posode oziroma izpiranje posod in postopek za odkrivanje napak v krmiljenju takih naprav

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006062327A DE102006062327A1 (de) 2006-12-22 2006-12-22 Vorrichtung zum Abfüllen von Flüssigkeiten in Gefäße bzw. zum Rinsen von Gefäßen, sowie Verfahren zum Erkennen von Steuerfehlfunktionen in solchen Vorrichtungen

Publications (2)

Publication Number Publication Date
EP1935839A1 EP1935839A1 (fr) 2008-06-25
EP1935839B1 true EP1935839B1 (fr) 2011-03-02

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EP07021602A Active EP1935839B1 (fr) 2006-12-22 2007-11-07 Dispositif de remplissage de liquides dans des récipients ou de rinçage de récipients, ainsi que procédé de reconnaissance de fonctions d'erreurs de commande dans de tels dispositifs

Country Status (5)

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EP (1) EP1935839B1 (fr)
AT (1) ATE500194T1 (fr)
DE (2) DE102006062327A1 (fr)
PL (1) PL1935839T3 (fr)
SI (1) SI1935839T1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008008528A1 (de) 2008-02-11 2009-08-13 Krones Ag Behandlungsanlage, insbesondere für Behältnisse mit rückwirkender Korrekturmöglichkeit
DE102009037172A1 (de) * 2008-02-11 2011-02-17 Krones Ag Behältnis - Behandlungsanlage mit rückwirkender Korrekturmöglichkeit
DE102008053765A1 (de) * 2008-10-21 2010-04-22 Khs Ag Verfahren zum Kontrollieren einer Anlage
CN107861530A (zh) * 2017-10-30 2018-03-30 平湖市燎原印刷厂 一种印刷涂层浆液自动计量方法
CN108640068B (zh) * 2018-05-11 2020-11-27 合肥中辰轻工机械有限公司 一种灌装机酒缸气体自动排放装置的灌装机酒缸气体调节方法
CN117900224A (zh) * 2024-01-17 2024-04-19 孟州市康耀电子有限公司 一种导电膜玻璃清洗机磁悬浮传动机构的检测方法

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Publication number Priority date Publication date Assignee Title
US3878862A (en) * 1973-02-02 1975-04-22 Otis Eng Co Pneumatic valve position indicator
GB1412315A (en) * 1973-11-02 1975-11-05 Pneumatic Scale Corp Control for container-filling machine
ES423475A1 (es) * 1974-02-21 1976-07-01 Mecanoquimica S A Perfeccionamientos en la construccion de valvulas para ma- quinas llenadoras de botellas.
DE4036290A1 (de) * 1990-06-06 1991-12-12 Kronseder Maschf Krones Verfahren und vorrichtung zum sterilen abfuellen von getraenkefluessigkeiten
DE4229580A1 (de) * 1992-09-04 1994-03-10 Seitz Enzinger Noll Masch Verfahren und Vorrichtung zur Überkopf-Behandlung von Flaschen
DE10000793C1 (de) * 2000-01-11 2001-08-02 Alfill Engineering Gmbh & Co K Elektronisch gesteuertes Füllorgan mit Steuereinheit
US6581654B1 (en) * 2001-12-14 2003-06-24 Healthstar, Inc. Pneumatic control unit for liquid product filling head
DE202005012837U1 (de) * 2005-08-13 2005-10-20 Rexroth Mecman Gmbh Einrichtung zur Überwachung der Ventilfunktion bei pneumatischen Wegeventilen

Also Published As

Publication number Publication date
ATE500194T1 (de) 2011-03-15
DE502007006593D1 (de) 2011-04-14
PL1935839T3 (pl) 2011-07-29
SI1935839T1 (sl) 2011-06-30
EP1935839A1 (fr) 2008-06-25
DE102006062327A1 (de) 2008-06-26

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