EP1761710A1 - Busmodul zur steuerung von fluidik-ventilen - Google Patents
Busmodul zur steuerung von fluidik-ventilenInfo
- Publication number
- EP1761710A1 EP1761710A1 EP05759256A EP05759256A EP1761710A1 EP 1761710 A1 EP1761710 A1 EP 1761710A1 EP 05759256 A EP05759256 A EP 05759256A EP 05759256 A EP05759256 A EP 05759256A EP 1761710 A1 EP1761710 A1 EP 1761710A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- data
- bus
- electronic circuit
- fluidic valve
- circuit arrangement
- 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
Links
- RVRCFVVLDHTFFA-UHFFFAOYSA-N heptasodium;tungsten;nonatriacontahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W] RVRCFVVLDHTFFA-UHFFFAOYSA-N 0.000 description 2
- 101100408464 Caenorhabditis elegans plc-1 gene Proteins 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008672 reprogramming Effects 0.000 description 1
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
- F15B21/085—Servomotor systems incorporating electrically operated control means using a data bus, e.g. "CANBUS"
Definitions
- the invention! relates to a bus module for connecting electrically controlled fluidic valves to a data bus with an electrical circuit arrangement, the address data and
- Such a bus module is used, for. B. from Murrelektronik ' .
- the bus module is used to connect up to eight ' participants in the form of: actuators, such as. B. electrically controllable fluidic valves, or sensors to a data bus, in particular to a field bus.
- the bus modules have an electrical circuit arrangement which evaluates data telegrams transmitted on the data bus and which controls an actuator determined by the address data in accordance with the useful data of the data telegram.
- Such a data telegram consists of address data that identify one of the participants and user data that transmit commands for actuators or contain status data for sensors;
- Such bus modules are widely used in pneumatics.
- the bus modules are designed according to the power requirements of pneumatic valves, which is lower than the power requirements of hydraulic valves.
- special designs are required for the control of hydraulic valves, whose 'electrical components for. the higher current flow of these valves are designed. This leads to an increase in manufacturing costs and is one reason for not widespread use of bus modules for the control of 'hydraulic valves.
- the invention has for its object to provide a simple module a bus module of the type mentioned, which is suitable due to a reduced current load for both the control of pneumatic valves and hydraulic valves. ,
- a proportional valve operated as a switching valve with a valve piston can be connected to the bus module according to the invention, the deflection of which can be controlled by the pulse duty factor of a pulse-width-modulated voltage.
- the ' deflection ' of the Ven. tilkolbens determines the passage cross section of the proportional valve. So that the current load on the components is not too great is allowed at one. such a solution, the pulse duty factor of the pulse width modulation does not exceed a maximum value predetermined by the load capacity of the electrical components of the bus module. This means that the valve piston of the 5 proportional valve may only be deflected from its rest position within a partial area. The response of a proportional valve can be accelerated by briefly applying the full supply voltage to the proportional valve before the pulse width modulation becomes effective.
- the 'programmable logic controller can be controlled by switch-on commands and ⁇ switch-off commands, no reprogramming is required. If the duration of the switching period, the duty cycle and the frequency or the actuators connected to the pulse width modulation to the bus module should vary in size from case to case, it is advantageous to use the corresponding values according to claim 3 together with the switch-on command to be transmitted to the bus module in a data telegram. The frequency or the period. The duration of the pulse modulation is either - as in the claim 4 specified - stored in the bus module as a parameter or alternatively - as stated in claim 5 - as a further ' parameter in the user data of the data message for a ' switch-on command.
- the invention is explained in more detail below with its further details using an exemplary embodiment shown in the drawings. Show it
- FIG. 1 shows a bus system with two bus modules connected to a data bus and to a power line in a schematic representation
- FIG. 2 shows the time course of the voltage supplied to an actuator between a switch-on command. and a shutdown command.
- FIG. 1 shows a bus system 10 with a data bus 11 designed as a field bus, a power line 1, 2, a programmable logic controller 13 (hereinafter referred to as PLC), two bus modules 15.1 and 15.2 and eight.
- Actuators in the form of switching hydraulic valves 16.1.1 to 16.1.4 and 16.2.1 to 16.2.4 with solenoids 18.1.1 to '18 .1.4 or 18.2.1 to 18.2.4.
- connection options for e.g. B. eight 1 or 16 sensors or actuators.
- the PLC 13 and the bus modules 15.1 and 15.2 are participants in the bus system 10.
- the PLC 13 also serves as a master, ie it determines which of the participants connected to the data bus 11 send a data telegram at what time may.
- a data telegram consists of address data and user data.
- the address data determine for which the hydraulic valve determines the .Nutz stylist • are.
- the user data contain e.g. B. a switch-on or switch-off command for a hydraulic valve.
- the bus modules 15.1 and 15.2 are supplied with a supply voltage Uy via the power line 12. fed.
- the supply voltage is. Usually a DC voltage with a nominal value of 12 V or 24 V. In the exemplary embodiment shown in FIG. 1, the supply voltage Uv is also the same. SPS 13 fed.
- the PLC 13 can.
- the data bus 11 and the energy gi 'e réelle 12 are in their outer regions' shown in dashed lines, to indicate there. in addition to the bus modules 15.1 and 15.2, further bus modules 15.x can be connected to the data bus 11 and ' to the power line 12, the letter “x” standing for the serial number of such a bus module.
- the magnet coils are connected to the bus module 15.1 18.1.1 to 18.1..4 and 18.2.1 to 18.2.4 of the hydraulic valves 16.1.1 to 16.1.4 and 16.2.1 to 16.2.4 a are closed.
- the bus module 15.1 has an electronic circuit 20.1, which evaluates the data telegrams transmitted on the data bus ' .11. When a data telegram is received, which is used for a hydraulic valve ⁇ 16.1.1 to 16.1.4 is determined, controls. the electronic circuit 20.1 the corresponding hydraulic valve according to the information contained in the user data of the data telegram.
- the bus module 15.1 a switch-on command for. received the hydraulic valve 16.1.2.
- the electronic circuit arrangement 20.1.- according to the invention after receiving the switch-on command provided with the reference symbol 30 at the time to of the solenoid 18.1.2 of the hydraulic valve 16.1.2, initially during a period ⁇ ti, which can be specified as the switching period, is the supply voltage Uy.
- the duration of the switching period is as. Switching valves designed hydraulic valves usually in the order of up to a tenth of a second (0.1 sec). During this period the.
- the electronic circuit arrangement 20.1 of the magnetic sink 18.1.2 carries the supply voltage Uy in a pulse-width-modulated form. to.
- T Tastve'r memorinis% ie the ratio of the labeled T s on-time and the period of time designated by T, is shown here at 50%.
- the duty cycle is usually in a range between 30 to 55%.
- the frequency of the pulse width modulation, designated f is of the order of a few hundred hertz. This prevents the hydraulic valve from pulsing with the pulse width modulation Supply voltage switches.
- the bus module 15.1 receives a switch-off command 32 for the hydraulic valve 16.1.2 at a later point in time, which is designated here with t 2 , the bus module 15.1 interrupts the supply of the pulse-width-modulated supply voltage to the magnetic coil 18.1.2. •
- the hydraulic valve 16.1.2 is switched on in the period between times to and t 2 .
- the holding current is reduced until time t 2 .
- the duration ⁇ ti of the switching period as well as the pulse duty factor T % and the frequency f of the subsequent pulse width modulation are stored as parameters in the electronic circuit arrangement 20.1.
- .it is either possible to assign all the devices connected to the bus module 15.1 hydraulic valves 16.1.1 to 16.1.4 same parameters or view vorzu- specific for each DER connected hydraulic valves parameters and to store in the electronic circuitry 15.1.
- Such a bus system has the advantage that the PLC 1 ' 3 when using bus modules designed according to the invention as when using the.
- Known bus modules only need to issue switch-on and switch-off commands since the parameters eter ⁇ ti, ' T % and f are stored in the electronic circuit arrangement.
- Hydraulic valves 16.1.1 to 16.1.4 and 16.2.1 to 16.2.4 are switching valves either in the form of pure switching valves or proportional valves operated as switching valves. ' While pure switching valves only have two switching positions (rest position or working position), the passage cross section of a proportional valve can take on any number of values depending on the duty cycle of a pulse-width-modulated supply voltage. In the invention, the proportional valve either no supply voltage is supplied (rest position), or it is supplied with the supply voltage in pulse width modulated form with a predetermined 'duty cycle. (Working position).
- a switch-through period with a proportional valve is "generally not necessary, but it can be advantageous” with " a proportional valve to accelerate the switch-on process in the manner of a lead.
Landscapes
- 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)
- Magnetically Actuated Valves (AREA)
- Selective Calling Equipment (AREA)
- Servomotors (AREA)
- Fluid-Driven Valves (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004029549A DE102004029549A1 (de) | 2004-06-18 | 2004-06-18 | Busmodul |
| PCT/EP2005/006288 WO2005124161A1 (de) | 2004-06-18 | 2005-06-11 | Busmodul zur steuerung von fluidick-ventilen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1761710A1 true EP1761710A1 (de) | 2007-03-14 |
| EP1761710B1 EP1761710B1 (de) | 2009-03-04 |
| EP1761710B2 EP1761710B2 (de) | 2012-04-25 |
Family
ID=35058617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05759256A Expired - Lifetime EP1761710B2 (de) | 2004-06-18 | 2005-06-11 | Busmodul zur steuerung von fluidik-ventilen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7881828B2 (de) |
| EP (1) | EP1761710B2 (de) |
| CN (1) | CN100523523C (de) |
| AT (1) | ATE424512T1 (de) |
| DE (2) | DE102004029549A1 (de) |
| WO (1) | WO2005124161A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017222463A1 (de) | 2017-12-12 | 2019-06-13 | Robert Bosch Gmbh | Ventilelektronik und Ventilanordnung |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4415027B2 (ja) | 2007-03-12 | 2010-02-17 | マーン・ベー・オグ・ドバルドヴェー・ディーゼール・アクティーゼルスカブ | 多気筒内燃機関用の制御方法及びシステム |
| CN102221101A (zh) * | 2010-04-14 | 2011-10-19 | 南京理工大学 | 阀芯位置检测反馈型总线控制电磁集装阀 |
| JP5641447B2 (ja) * | 2012-08-20 | 2014-12-17 | Smc株式会社 | 電磁弁制御装置 |
| CN105822631B (zh) * | 2016-05-17 | 2017-11-07 | 山东栋梁科技设备有限公司 | 气动逻辑控制器 |
| SG10201610688RA (en) * | 2016-12-20 | 2018-07-30 | Abrasive Eng Pte Ltd | Hub Controller for Shot Peening Valves |
| CN113007181A (zh) * | 2019-12-20 | 2021-06-22 | 中国科学院沈阳自动化研究所 | 一种水下液压系统控制和数据采集装置 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3415649A1 (de) | 1984-04-27 | 1985-11-07 | Dr. H. Tiefenbach Gmbh & Co, 4300 Essen | Schaltungsanordnung zur betaetigung eines elektromagnetischen ventils |
| US5053960A (en) * | 1987-05-29 | 1991-10-01 | J. I. Case Company | Electronic control system for powershift transmission with compensation for variation in supply voltage |
| US5341488A (en) * | 1990-04-11 | 1994-08-23 | Nec Electronics, Inc. | N-word read/write access achieving double bandwidth without increasing the width of external data I/O bus |
| CH683021A5 (de) * | 1991-06-25 | 1993-12-31 | Walter Ag | Anordnung mit mehreren Magnetventilen, insbesondere für eine Ventilbatterie. |
| DE9219093U1 (de) † | 1992-09-22 | 1997-10-16 | Mannesmann AG, 40213 Düsseldorf | Ansteuereinrichtung für Ventile und/oder Ventileinheiten |
| US5325287A (en) * | 1992-09-30 | 1994-06-28 | The Foxboro Company | Decoupled display and control system |
| DE4312757A1 (de) * | 1993-04-20 | 1994-10-27 | Festo Kg | Elektronische Steuereinrichtung für eine modulartig aufgebaute Ventilstation |
| DE4429373A1 (de) * | 1994-08-22 | 1996-02-29 | Bosch Gmbh Robert | Einrichtung zur Ansteuerung eines Verbrauchers |
| US5809258A (en) * | 1994-08-23 | 1998-09-15 | Ascom Timeplex Trading Ag | Bus with high gross data transfer rate |
| US5619726A (en) * | 1994-10-11 | 1997-04-08 | Intel Corporation | Apparatus and method for performing arbitration and data transfer over multiple buses |
| US5790831A (en) * | 1994-11-01 | 1998-08-04 | Opti Inc. | VL-bus/PCI-bus bridge |
| JP3437300B2 (ja) * | 1994-12-02 | 2003-08-18 | Smc株式会社 | 電磁弁制御装置 |
| SE515233C2 (sv) * | 1994-12-06 | 2001-07-02 | Parker Hannifin Ab | Anordning och förfarande vid komponenter som ingår i mobil hydralikutrustning |
| DE29600866U1 (de) † | 1996-01-19 | 1996-03-07 | Festo Kg, 73734 Esslingen | Schaltungsanordnung zur Steuerung von Magnetventilen |
| DE19853739A1 (de) † | 1998-11-21 | 2000-05-25 | Mannesmann Rexroth Ag | Verfahren zur Ansteuerung von elektrisch betätigten Schaltventilen |
| KR100367034B1 (ko) * | 1998-12-25 | 2003-01-09 | 미쓰비시덴키 가부시키가이샤 | 밸브장치 및 밸브제어방법 |
| EP1094228A1 (de) * | 1999-10-20 | 2001-04-25 | Maxam Pneumatics Limited | Fluidisches Steuersystem mit modularen, elektronischen Ventilen |
| EP1222402A1 (de) * | 1999-10-20 | 2002-07-17 | Parker Hannifin Plc | Fluidisches steuersystem |
| US6647735B2 (en) * | 2000-03-14 | 2003-11-18 | Hussmann Corporation | Distributed intelligence control for commercial refrigeration |
| US7317980B2 (en) * | 2002-07-30 | 2008-01-08 | Adivics Co., Ltd. | Automatic brake device for controlling movement of vehicle in direction opposite to intended direction of movement of driver |
| US7096073B2 (en) * | 2003-09-22 | 2006-08-22 | Creo Il, Ltd. | Configurable controller |
| US7784062B2 (en) * | 2004-06-18 | 2010-08-24 | General Electric Company | Event based operating system, method, and apparatus for instrumentation and control systems |
-
2004
- 2004-06-18 DE DE102004029549A patent/DE102004029549A1/de not_active Withdrawn
-
2005
- 2005-06-11 AT AT05759256T patent/ATE424512T1/de active
- 2005-06-11 EP EP05759256A patent/EP1761710B2/de not_active Expired - Lifetime
- 2005-06-11 US US11/630,091 patent/US7881828B2/en not_active Expired - Fee Related
- 2005-06-11 DE DE502005006758T patent/DE502005006758D1/de not_active Expired - Lifetime
- 2005-06-11 CN CNB2005800197076A patent/CN100523523C/zh not_active Expired - Fee Related
- 2005-06-11 WO PCT/EP2005/006288 patent/WO2005124161A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2005124161A1 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017222463A1 (de) | 2017-12-12 | 2019-06-13 | Robert Bosch Gmbh | Ventilelektronik und Ventilanordnung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502005006758D1 (de) | 2009-04-16 |
| WO2005124161A1 (de) | 2005-12-29 |
| CN100523523C (zh) | 2009-08-05 |
| ATE424512T1 (de) | 2009-03-15 |
| DE102004029549A1 (de) | 2006-01-05 |
| EP1761710B1 (de) | 2009-03-04 |
| US20090019200A1 (en) | 2009-01-15 |
| US7881828B2 (en) | 2011-02-01 |
| CN1977111A (zh) | 2007-06-06 |
| EP1761710B2 (de) | 2012-04-25 |
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