EP2322809A1 - Dispositif de contrôle pour un vérin et dispositif d'alimentation de tension électrique - Google Patents

Dispositif de contrôle pour un vérin et dispositif d'alimentation de tension électrique Download PDF

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Publication number
EP2322809A1
EP2322809A1 EP10015763A EP10015763A EP2322809A1 EP 2322809 A1 EP2322809 A1 EP 2322809A1 EP 10015763 A EP10015763 A EP 10015763A EP 10015763 A EP10015763 A EP 10015763A EP 2322809 A1 EP2322809 A1 EP 2322809A1
Authority
EP
European Patent Office
Prior art keywords
generator
control device
supply module
module according
valve
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.)
Withdrawn
Application number
EP10015763A
Other languages
German (de)
English (en)
Other versions
EP2322809A8 (fr
EP2322809A3 (fr
Inventor
Markus Boger
Martin Fuss
Walter Suchy
Otto Dr. Szenn
Heinz Röckle
Jörg Ullmann
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 EP2322809A1 publication Critical patent/EP2322809A1/fr
Publication of EP2322809A8 publication Critical patent/EP2322809A8/fr
Publication of EP2322809A3 publication Critical patent/EP2322809A3/fr
Withdrawn legal-status Critical Current

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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
    • F15B21/08—Servomotor systems incorporating electrically operated control means

Definitions

  • the invention relates to a control device for at least one fluidic actuator according to the preamble of claim 1 and an electrical supply module for power supply according to the preamble of claim 13.
  • control device includes for generating energy, for example, an air pressure transducer with electric generator. This is constantly connected to the pressure line, which has a constant air consumption, even if the energy storage has sufficient memory content. Due to the continuous operation, it is even proposed to completely dispense with the energy storage. Its state of charge thus depends on the operation of the other components and is more or less random.
  • An object of the present invention is to improve the known control device and a corresponding electrical supply module so that the air consumption is minimized despite sufficient power supply.
  • control device The advantages of the control device according to the invention are, in particular, that the air pressure transducer for the charge control valve is only switched on when this is necessary for the energy supply. In the remaining time, so with sufficient state of charge of the energy storage, the air pressure transducer is turned off, and there is no air consumption.
  • the charge control device By the charge control device, the state of charge of the energy storage can be completely detected.
  • the entire control device has the further particular advantage that it only has to be connected to a fluidic line. All electrical supply and control lines can be omitted. It is therefore particularly suitable for use in spatially widely distributed systems, such as process equipment, where enormous installation costs can be saved.
  • the supply module can be realized by the arrangement of both the turbine wheel and the rotor of the generator in the same housing very small, the arrangement of the rotor and the turbine on a common shaft still supports this Kleinstaubweise and contributes to a simple assembly, as both in one operation can be used in the housing.
  • the entire supply module is quickly and easily replaceable as a compact unit.
  • the charge control valve can form part of this valve arrangement and thus contribute to reducing the number of total components.
  • At least one sensor interface which can be connected to external sensors has proven to be favorable on the sequence controller. As a result, for example, sensors arranged on the actuators can be evaluated without the need for voltage supply lines from external devices.
  • a pressure sensor connected to the pressure line is expediently connected to the sequence controller in order to be able to monitor the supply pressure and to be able to take suitable measures if it moves outside a correct range.
  • the energy balance can additionally be improved by providing a solar cell generator and / or a wind generator in addition to the charge of the energy store.
  • the energy store is expediently designed as an electric battery, in particular as a rechargeable battery, or as a capacitor arrangement.
  • an infrared and / or radio device is suitable as a wireless transmitting and / or receiving device.
  • the entire control device with all the components can be advantageously designed as a compact unit, in particular be arranged in a common housing.
  • the housing of the supply module expediently has a cylindrical or cuboidal shape, which can be optimally adapted to the rotating parts in the interior with regard to the desired micro-construction.
  • stator winding of the generator in the rotor of the generator encompassing wall portion of the housing, so that the stator winding takes up no additional space.
  • suitable as a stator winding in particular a basket winding, wherein the rotor has a permanent magnet arrangement.
  • the housing interior is divided by an intermediate wall into a first chamber for receiving the turbine wheel and the rotor of the generator and in a second chamber for receiving the valve, the charge control device and the energy storage.
  • the intermediate wall then expediently carries a first shaft bearing and one of the two housing end faces another shaft bearing.
  • the generator is expediently designed as an alternating voltage generator, in which case the charging control device contains the electrical components required for forming a direct voltage, for example a rectifier arrangement, a regulating device and / or a smoothing device.
  • the generator can also be designed as a DC voltage generator.
  • control device described below for at least one fluidic actuator 10 is housed as a compact unit in a common housing 11, wherein variations may also be divided into several units.
  • a single actuator is shown, for example, a linear drive, a pneumatic gripper, a working cylinder, a process valve or the like, wherein a plurality of identical or different actuators can be controlled.
  • a corresponding number and design of control valves must be provided in the control device. It is also possible to arrange the control device together with an actuator integrally in a housing or to integrate.
  • a flow controller 12 For electronic control of the actuator 10 is a flow controller 12, which contains at least one microprocessor or a logic logic.
  • a radio device 13 designed as a transmitting and receiving device is used for wireless data transmission from and to an external control unit 14, which may be, for example, a central control for a plurality of such control devices. From this control unit 14 control signals are transmitted to the sequence controller 12, wherein in the reverse direction, transmission signals are sent to the external control unit 14.
  • the flow controller 12 may itself include a flow program through which certain functions and operations in the actuator 10 may be independently controlled. It remains the respective conception reserved which and how many functions of the sequence controller 12 can run independently and which and how many functions are controlled by the external control unit 14.
  • an infrared device 15 is also connected to the sequence controller 12, via which alternatively or additionally a communication with external devices, for example also with an external control unit, can be carried out. In a simpler embodiment, this infrared device 15 can also be omitted.
  • the control device is connected to a fluidic pressure line 16 to which a working pressure P of an external pressure source is constantly applied.
  • This pressure line 16 extends via an input valve 17 and a working valve 18 in the housing 11 to the actuator 10.
  • a connected to the pressure line 16 pressure sensor 19 is connected to the sequence controller 12 and transmits the measured pressure values to this.
  • external sensors 20, 21 are connected via a sensor interface 22 to the sequence controller 12, to this sensor data, for example of the actuator 10 or other external sensor data.
  • sensor data are, for example, pressure data, temperature data, position data or the like. All sensor data can be transmitted from the flow controller 12 via the radio device 13 of the external control unit 14.
  • the sequence controller 12 is used for position control of, for example, designed as a working cylinder or process valve actuator 10.
  • a limit position detection and / or end position control of the corresponding actuator member of the actuator 10 so for example a piston or valve member, while also a cushioning can be realized.
  • a limit position detection and / or end position control of the corresponding actuator member of the actuator 10 so for example a piston or valve member, while also a cushioning can be realized.
  • a limit position detection and / or end position control of the corresponding actuator member of the actuator 10 so for example a piston or valve member, while also a cushioning can be realized.
  • an electric or electropneumatic fine drive can be provided as an additional servopneumatic or electrical positioner, which is switched linear or parallel.
  • the pressure line 16 is further connected to the input valve 17 via a charge control valve 23 and an air pressure transducer 24 with a fluid outlet 25.
  • the air pressure converter 24 drives an electric generator 26 whose generated Voltage via a charge control device 27 for charging an electric storage battery 28 is used.
  • the electric generator 26 may be a DC or AC generator.
  • the charge control device 27 also contains a controlled or uncontrolled rectifier arrangement, eg a MOSFET rectifier circuit.
  • the charge control device 27 reports the respective state of charge of the storage battery 28 to the sequence controller 12, which then opens the charge control valve 23 via a valve driver stage arrangement 29 as required, that is to say when the charge state is too low, and thereby the air pressure converter 24 and the electric generator 26 for charging the storage battery 28 in operation.
  • the charge control valve 23 After reaching the respectively provided correct state of charge then the charge control valve 23 is closed again.
  • the charging control device 27 supplies all the electrical and electronic components of the control device with the required supply voltage.
  • the Lade thoroughlyungseinrichtüng 27 includes a voltage converter, which converts the voltage of the storage battery 28 in the respectively required supply voltage, which should be a stabilized voltage.
  • the air pressure transducer 24 may be formed, for example, as a microturbine or vane motor, with vane motors being commercially available, for example, under the name Globe vane motor.
  • any known system can be used for the combination of air pressure motor-generator in the invention, can be converted by the air pressure energy into electrical energy.
  • non-rotating electrical generators for example piezo-generators.
  • the input valve 17 and the working valve 18 are also controlled by the drain controller 12 via the valve driver stage assembly 29.
  • the input valve 17 is open in the normal state.
  • the outflowing fluid is used in addition to the operation of the air pressure transducer 24 and the electric generator 26 and thus to charge the storage battery 28.
  • the working valve 18 and the charge control valve 23 are opened and the input valve 17 is closed.
  • the fluid flow around the actuator 10 can be guided via the air pressure transducer 24 to the fluid outlet 25.
  • the working valve 18 may be formed as a multi-way valve and have a fluid outlet for the discharged from the actuator 10 fluid. This fluid outlet can then be connected directly to the inlet of the air pressure transducer 24. In this case, the input valve 17 can be omitted, and the charge control valve 23 is closed during the backflow of the fluid from the actuator 10.
  • the execution of the working valve 18 depends not least on the control requirements for the actuator 10, that is, how many control paths the working valve 18 must have.
  • the charge control device 27 may also be integrated in the drain controller 12. Alternatively, a separation of the charge control device 27 may be provided in a module for actual charge control or regulation and in a module for power supply.
  • a solar cell generator 30 and / or a wind generator 31 may also be provided. This depends on the particular local conditions, that is, whether the control device is positioned at a location that ensures sufficient light, or at a point where sufficient wind occurs, so for example in an outdoor application.
  • control device is used in a potentially explosive area, then the units used must be explosion-proof, for example, the housing would have to be designed either pressure-resistant or overpressure-encapsulated.
  • a capacitive element or a capacitor arrangement can be used as an energy storage, including, for example. at least one gold cap or ultracap element is particularly suitable.
  • FIG. 2 illustrated electrical supply module includes a part of the components and assemblies according to FIG. 1 Essentially, the part that is used for the power supply. These components are integrated in a separate module housing 41, which is used to power the in FIG. 1 can be used in the housing 11 shown control device. However, this electrical supply module 40 can also be used to supply power to other electrical devices that have a fluid connection, in particular a compressed air connection. Same or equivalent components and assemblies already in FIG. 1 are shown and described in wear FIG. 2 the same reference numerals.
  • the example cylindrical, cuboid or pot-shaped module housing 41 includes the arranged on a common shaft 42 compressed air converter 24 and the electric generator 26.
  • This common shaft is connected to an end portion in a bearing 43 of an end wall 44 of the module housing 41 and with its other end in one Bearing 45 mounted in an intermediate wall 46.
  • a compressed air inlet 47 is connected to a compressed air outlet 48 via the charge control valve 23 designed as a proportional valve and via the compressed air converter 24 designed as a microturbine. If the compressed air inlet 47 is acted upon by compressed air, then a turbine wheel 49 of the compressed air converter 24 is driven and set in rotation, which in turn drives a rotor 50 of the electric generator 26 via the common shaft 42.
  • the electric generator 26 consists of this rotor 50 and a stator winding 51 in the form of a basket winding, which is arranged in a wall region of a housing part 52 of the module housing 41 encompassing the rotor 50.
  • this stator coil 51 could also be arranged on the inside of the housing part 52, but this would require a larger amount of space.
  • the winding may also rotate while the permanent magnet substantially forms the stator.
  • the stator coil 51 is connected via electrical lines 53 to the charge control device 27, which is also located in the module housing 41 and which is designed to charge the electric storage battery 28 on the one hand and for the removal of energy from the same, as has already been described.
  • the components required for the voltage conditioning in the charge control device 27 are included. This may be, for example, a rectifier arrangement and / or a regulating device and / or a smoothing arrangement.
  • the rectifier arrangement can be designed as a controlled or uncontrolled rectifier circuit, for example as a MOSFET circuit.
  • a DC generator can be used, which does not require a rectifier arrangement.
  • the sequence controller 12 could additionally be integrated in the module housing.
  • the module housing described is a very small housing which is suitable for insertion into pneumatic or electrical arrangements with pneumatic components.
  • a typical size for example, has a length of 30 mm and a diameter of 20 mm.
  • the charge control valve 23 may be formed, for example, as a piezo valve.
  • a speed sensor 54 is used to detect the rotational speed of the turbine wheel 59 and the rotor 50 of the generator 26. It is also connected via the electrical lines 53 to the charge control device 27, wherein the illustrated two lines 53 are only a schematic representation. The number of lines, however, depends on the respective requirements.
  • the rotational speed signal of the rotational speed sensor 54 is supplied to the charge control device 27, which contains a control device, as an actual value in order to regulate the rotational speed of the generator 26 as a function of the required charging voltage. It is a load-dependent speed control to regulate a desired voltage of 12 V, for example. This is done via the trained as a proportional valve Charge control valve 23, which controls the flow of air through the compressed air converter 24 continuously.
  • the actuation of the charge control valve 23 via the integrated valve driver stage assembly 29, of course, according to FIG. 1 can be designed as a separate unit.
  • the state of charge of the storage battery 28 is continuously interrogated by the charge control device 27, and according to the speed of the electric generator 26, the charging voltage is regulated.
  • the charge control device 27 may also include a voltage converter and / or a voltage regulator to provide one or more supply voltages as stabilized voltages available.
  • the pressure sensor 19 generates a sensor value which corresponds to the supply pressure at the compressed air inlet (47) and supplies it to the charge control device (27) so that the speed control can be influenced as a function of the available supply pressure.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Eletrric Generators (AREA)
EP10015763A 2005-10-11 2006-10-10 Dispositif de contrôle pour un vérin et dispositif d'alimentation de tension électrique Withdrawn EP2322809A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510048646 DE102005048646B3 (de) 2005-10-11 2005-10-11 Steuereinrichtung für wenigstens einen fluidischen Aktor
EP20060021167 EP1775480B1 (fr) 2005-10-11 2006-10-10 Dispositif de contrôle pour un vérin

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP06021167.9 Division 2006-10-10

Publications (3)

Publication Number Publication Date
EP2322809A1 true EP2322809A1 (fr) 2011-05-18
EP2322809A8 EP2322809A8 (fr) 2011-06-29
EP2322809A3 EP2322809A3 (fr) 2011-09-14

Family

ID=37607154

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10015763A Withdrawn EP2322809A3 (fr) 2005-10-11 2006-10-10 Dispositif de contrôle pour un vérin et dispositif d'alimentation de tension électrique
EP20060021167 Not-in-force EP1775480B1 (fr) 2005-10-11 2006-10-10 Dispositif de contrôle pour un vérin

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20060021167 Not-in-force EP1775480B1 (fr) 2005-10-11 2006-10-10 Dispositif de contrôle pour un vérin

Country Status (3)

Country Link
EP (2) EP2322809A3 (fr)
DE (1) DE102005048646B3 (fr)
DK (1) DK1775480T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020122873A1 (fr) * 2018-12-11 2020-06-18 Raytheon Company Alimentation électrique à tension continue commandée par pression d'air
IT202100019937A1 (it) * 2021-07-27 2023-01-27 Sti S R L Posizionatore intelligente e wireless
US11683901B2 (en) 2017-05-02 2023-06-20 Asco, L.P. Modular electrical fieldbus system with stacked interconnected functional components

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009146718A1 (fr) * 2008-06-03 2009-12-10 Siemens Aktiengesellschaft Appareil de terrain pour l’instrumentation de processus et procédé de fonctionnement
DE102010033428B4 (de) 2010-08-04 2024-04-18 Micropelt Gmbh Heizkörperventil mit Steuerung für ein Stellglied und Heizungssteuerung
EP2707644B1 (fr) * 2011-05-11 2015-04-08 Beko Technologies GmbH Purgeur de condensat pour système de gaz comprimé
DE102015100929A1 (de) * 2015-01-22 2016-08-11 Ari-Armaturen Albert Richter Gmbh & Co Kg Stellventil
JP7223000B2 (ja) 2017-12-21 2023-02-15 スウェージロック カンパニー 作動されるバルブの制御および監視のシステムおよび方法
DE102021204342A1 (de) 2021-04-30 2022-11-03 Mahle International Gmbh Fluidmanagement-Modul und Baukasten-System
CN113654897B (zh) * 2021-06-28 2024-03-26 杭州长川科技股份有限公司 调压系统及其控制方法、调压装置和电子元件压接系统

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE4126624A1 (de) * 1991-08-12 1993-02-18 Knorr Bremse Ag Ladeeinrichtung fuer einen akkumulator
EP1057692A2 (fr) * 1999-05-03 2000-12-06 Siemens Aktiengesellschaft Appareil électrique
WO2001018405A1 (fr) 1999-09-07 2001-03-15 Festo Ag & Co. Procede et dispositif destines a alimenter en energie electrique des dispositifs consommateurs d'electricite situes dans un appareil pneumatique ou associes a ce dernier

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US6107692A (en) * 1997-08-29 2000-08-22 The Whitaker Corporation Auxiliary generator and system for actuating the same
DE10128447A1 (de) * 2001-06-12 2003-01-02 Abb Patent Gmbh Elektropneumatischer Stellantrieb
DE10128448B4 (de) * 2001-06-12 2008-01-24 Abb Patent Gmbh Verfahren zur Diagnose eines Prozessventils
DE20119416U1 (de) * 2001-11-30 2003-04-10 GSR Ventiltechnik GmbH & Co. KG, 32602 Vlotho Autarke Pipeline-Armatur
US6917858B2 (en) * 2003-08-29 2005-07-12 Dresser, Inc. Fluid regulation
DE102004063807A1 (de) * 2004-12-30 2006-07-13 Hartmann, Eva Steuereinheit für die Betriebssteuerung eines mit einem fluidischen Arbeits-Druckmedium betriebenen Antriebselements
DE102004055054A1 (de) * 2004-11-15 2006-05-18 Bosch Rexroth Ag Ventil mit monovalentem Anschluss

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126624A1 (de) * 1991-08-12 1993-02-18 Knorr Bremse Ag Ladeeinrichtung fuer einen akkumulator
EP1057692A2 (fr) * 1999-05-03 2000-12-06 Siemens Aktiengesellschaft Appareil électrique
WO2001018405A1 (fr) 1999-09-07 2001-03-15 Festo Ag & Co. Procede et dispositif destines a alimenter en energie electrique des dispositifs consommateurs d'electricite situes dans un appareil pneumatique ou associes a ce dernier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11683901B2 (en) 2017-05-02 2023-06-20 Asco, L.P. Modular electrical fieldbus system with stacked interconnected functional components
WO2020122873A1 (fr) * 2018-12-11 2020-06-18 Raytheon Company Alimentation électrique à tension continue commandée par pression d'air
IT202100019937A1 (it) * 2021-07-27 2023-01-27 Sti S R L Posizionatore intelligente e wireless

Also Published As

Publication number Publication date
DK1775480T3 (da) 2011-08-15
EP1775480B1 (fr) 2011-05-25
EP2322809A8 (fr) 2011-06-29
DE102005048646B3 (de) 2007-02-22
EP2322809A3 (fr) 2011-09-14
EP1775480A3 (fr) 2009-12-23
EP1775480A2 (fr) 2007-04-18

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