EP0204164B1 - Verfahren zur Begrenzung der Drehzahl eines Antriebsmotors einer Rotationsoffsetdruckmaschine - Google Patents

Verfahren zur Begrenzung der Drehzahl eines Antriebsmotors einer Rotationsoffsetdruckmaschine Download PDF

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Publication number
EP0204164B1
EP0204164B1 EP86106147A EP86106147A EP0204164B1 EP 0204164 B1 EP0204164 B1 EP 0204164B1 EP 86106147 A EP86106147 A EP 86106147A EP 86106147 A EP86106147 A EP 86106147A EP 0204164 B1 EP0204164 B1 EP 0204164B1
Authority
EP
European Patent Office
Prior art keywords
electric motor
setpoint
speed
printing machine
offset printing
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.)
Expired - Lifetime
Application number
EP86106147A
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German (de)
English (en)
French (fr)
Other versions
EP0204164A2 (de
EP0204164A3 (en
Inventor
Anton Rodi
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0204164A2 publication Critical patent/EP0204164A2/de
Publication of EP0204164A3 publication Critical patent/EP0204164A3/de
Application granted granted Critical
Publication of EP0204164B1 publication Critical patent/EP0204164B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B41F13/0045—Electric driving devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/923—Specific feedback condition or device
    • Y10S388/93—Load or torque
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/923—Specific feedback condition or device
    • Y10S388/934—Thermal condition

Definitions

  • the invention relates to a method for controlling at least one electric motor on an offset printing press with a device for forming and assigning a speed setpoint for the at least one electric motor.
  • Speed control is an important application. Your goal is to set and maintain a speed of the electric motor determined by a setpoint value as precisely as possible. This speed setpoint specification can be given, for example, with the aid of a potentiometer (see: Zach, Franz, power electronics: components, power circuits, control circuits, influences, Springer Verlag Vienna, New York, 1979).
  • An arrangement is also known from DE-A 33 18 250 which ensures the preset speed with high constancy by comparing the speed setpoint and actual speed value and by taking appropriate measures to keep the predetermined speed constant. This arrangement has no influence on the predetermined speed as such, only the predetermined speed value is kept constant, but the predetermined speed value is not changed.
  • Such drive controls for printing presses are also subject to certain requirements regarding the properties of the power supply, the cooling of the assemblies and the load conditions (cf.for this: interne Elektrizticians-Gesellschaft AEG-Telefunken; Auxiliary Book of Electronics, Berlin, Frankfurt, 1979; Kolb , Otto, power converter technology, vol. 1, AT Verlag, Aarau, Stuttgart, 1984; Hartel, Walter, power converter circuits, Springer-Verlag, Berlin, Heidelberg, New York, 1977). If these requirements are not met, then Malfunctions that affect the printing result, but at least expect undesirable downtimes of the printing machines.
  • the invention has for its object to develop a method which ensures the maintenance of the production of the printing press under boundary conditions, such as undervoltage, increased ambient or engine temperatures and increased torque requirements with the highest possible pressure output.
  • the object is achieved by the characterizing part of claim 1.
  • the drive of the printing press had to be switched off even if the tolerance range of the mains voltage of the supply network was not exceeded.
  • the speed control according to the invention the production of the printing press can be maintained in a so-called emergency operation.
  • Another advantage of the invention is that the temperature of the electric motor is measured, and if the temperature is exceeded, the speed setpoint of the electric motor is reduced. In the case of drives in printing presses whose torque characteristic drops as the speed decreases, it is possible to maintain the production of the printing press by lowering the speed even when the ambient temperature and / or the cooling capacity of the electric motor cooling units are reduced. This eliminates the need to switch off these modules when the limit temperature is reached.
  • the temperature of the control elements of the electric motor is advantageously measured and, if the temperature is exceeded, the speed setpoint of the electric motor is reduced. Reduced cooling capacity of the cooling units of the control elements can thus be counteracted by lowering the speed setpoint and a temporary cessation of the printing operation can be prevented.
  • the armature current of the motor is detected and, when a predetermined current limit value is reached, the armature voltage is reduced so that the armature current does not increase any further.
  • the drive torque is preferably detected at those points that cause a power flow, for. B. on drive shafts of electric motors or in such places that are safe to protect against overload, z. B. dampening units or other consumers, whose torque requirement depends on the handling of the operator.
  • the speed setpoint can advantageously be reduced by the above-mentioned influencing variables or a combination of these influencing variables.
  • the determining influencing variable is the one that has the greatest influence on the speed setpoint.
  • FIG. 1 contains, in addition to reference numerals, also word details about the meaning of the individual elements contained in FIG. 1.
  • Fig. 1 shows the process steps that are necessary to meet all the claimed features of the device.
  • the drive is given a speed setpoint 2 in the form of a voltage 1U should 2.
  • This speed setpoint 1U should 2 is in a linear relationship to the desired speed of the driving electric motor.
  • the counter reading of the counter is set to "zero". This counter is only used to explain the process steps in the flow chart.
  • query 4 the counter reading is checked.
  • step 8 If the supply voltage of the drive is less than this product, the speed setpoint voltage 2U soll 7 is formed, which is a product of the measured mains voltage U N and the factor 1 / k. This ensures that the maximum permissible armature voltage of the electric motor 31 is not exceeded in the event of undervoltage. This is followed by step 8.
  • step 8 Is the measured supply voltage is not less than to the product of k and 1U in deciding 6, 7 is set to the same amount as to 1U 2U intended. This is followed by step 8.
  • process step 8 the count is incremented by 1, then the setpoint 2U in output 9 to output 7 and to the speed controller assembly 23 embark.Danach occurs the count query 10. Since the count according to the previous description is "1", that is equal to "3 ", the counter reading is queried again at query 4. Since the counter reading is "1" at this point in time, ie not equal to "0", reference is made to decision 15, in which the counter is queried for the counter reading "1".
  • step 8 Since the counter reading is now "1", the temperature T is measured 11, and if the maximum limit temperature T max is exceeded . (Query 12), the setpoint voltage 2U soll 7 is adjusted in accordance with the permissible limit temperature in method step 13. This is followed by step 8.
  • setpoint voltage 2U is to 7 set to the same amount as 1U to 2. This is followed by step 8, in which the count is increased by "1". In the subsequent output 9 of the target value is output to 2U. 7
  • step 17 the setpoint voltage 2U soll 7 is reduced in method step 13 by a fixed amount, which is dependent, among other things, on the torque characteristic of the present load. This is followed by step 8. In the event that the maximum drive torque M max. has not been reached, 2U should 7 is set to the same amount as 1U should . This is followed by method step 8, in which the counter reading is increased by "1". In the subsequent output 9 of the target value is output to 2U. 7
  • FIG. 2 shows a schematic representation of the drive control with a device for changing the speed of the electric motor 31.
  • the mains voltage U N 32 supplies the electric motor 31 via the converter 33.
  • the motor speed is measured via the tachometer generator 22, which is mechanically connected to the motor shaft of the electric motor 31, not shown.
  • the tachometer generator 22 generates the actual speed value and makes this available to the speed controller module 23, which forms the comparison between the setpoint 21 and this actual speed value and supplies an output signal from the current controller module 26 that corresponds to the desired control behavior.
  • the current regulator assembly 26 forms the control signal for the converter 33 on the basis of this and the information about the current level, which is detected by a current converter 25.
  • the claimed device 18 receives the setpoint 1U soll 19 as an input variable.
  • the output variable 2U soll 21 is formed in the device 18, and the speed controller module 23 is made available as a setpoint input variable.
  • Relevant influencing variables for the output variable 2U should be 21 U N , U T and U M (N stands for network, T stands for temperature, M stands for torque).
  • the setpoint 1U should 19 is formed by a setpoint processing , not shown, which in the simplest case z. B. can be a potentiometer.
  • the setpoint 1U should 19 corresponds to the value of the desired engine speed.
  • the input variable U T is generated by a temperature signal conditioning unit 20.
  • the measuring voltage generated by a thermocouple is amplified and adjusted to a corresponding voltage level.
  • the input variable U M is generated with the aid of the same current transformer 25, which supplies the actual current value for the current regulator module 26.
  • Fig. 3 shows the characteristic curve 27 of the setpoint voltage 2U should in dependence on the setpoint voltage 1U should .
  • the solid characteristic curve 27 represents the course of 2U should when the supply voltage, the temperature of the drive elements and the moment load are within the permissible range.
  • the dashed curves 28, 29, 30 show the course of 2U should if one of the above conditions is not met. Depending on the size of the deviations, as described, there are different limits for the characteristic curves 28, 29, 30 of 2U should .
  • the setpoint can also be lowered manually after an optical and / or acoustic warning message indicating that one of the aforementioned features has been fulfilled.
EP86106147A 1985-06-03 1986-05-06 Verfahren zur Begrenzung der Drehzahl eines Antriebsmotors einer Rotationsoffsetdruckmaschine Expired - Lifetime EP0204164B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853519840 DE3519840A1 (de) 1985-06-03 1985-06-03 Verfahren zur begrenzung der drehzahl eines antriebsmotors einer rotationsoffsetdruckmaschine
DE3519840 1985-06-03

Publications (3)

Publication Number Publication Date
EP0204164A2 EP0204164A2 (de) 1986-12-10
EP0204164A3 EP0204164A3 (en) 1988-07-27
EP0204164B1 true EP0204164B1 (de) 1991-09-25

Family

ID=6272301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86106147A Expired - Lifetime EP0204164B1 (de) 1985-06-03 1986-05-06 Verfahren zur Begrenzung der Drehzahl eines Antriebsmotors einer Rotationsoffsetdruckmaschine

Country Status (9)

Country Link
US (2) US4810942A (zh)
EP (1) EP0204164B1 (zh)
JP (1) JPS62171479A (zh)
CN (1) CN1007415B (zh)
AU (1) AU588868B2 (zh)
CA (1) CA1260115A (zh)
DE (1) DE3519840A1 (zh)
HK (1) HK5093A (zh)
SG (1) SG111491G (zh)

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DE19502909B4 (de) * 1995-01-31 2006-02-09 Koenig & Bauer Ag Mehrmotorenantrieb
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JP3673128B2 (ja) 1999-11-16 2005-07-20 株式会社マキタ プリセット速度実現スイッチ付き動力工具
DE10022924A1 (de) * 2000-05-11 2001-11-15 Bayerische Motoren Werke Ag Schaltungsanordnung zum Betrieb eines Motors
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US7692399B2 (en) * 2003-04-01 2010-04-06 Hewlett-Packard Development Company, L.P. DC motor control
DE102004031946B4 (de) * 2004-06-30 2021-03-18 Heidelberger Druckmaschinen Ag Verfahren zum Antreiben von Walzen eines Druckwerkes einer Druckmaschine
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US8408792B2 (en) 2007-03-30 2013-04-02 Kraft Foods Global Brands Llc Package integrity indicating closure
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PL2686251T3 (pl) 2011-03-17 2015-10-30 Intercontinental Great Brands Llc Opakowania z elastycznej folii z możliwością wielokrotnego zamykania, laminat, metoda i przyrząd do ich produkcji
CN103072125B (zh) * 2013-01-14 2015-07-01 南京久驰机电实业有限公司 一种电动工具制动控制方法
CN106926240B (zh) * 2017-03-10 2020-03-31 浙江大学宁波理工学院 一种曲面工件机器人研抛的材料去除控制方法
CN113002162B (zh) * 2021-02-23 2022-10-14 西门子工厂自动化工程有限公司 用于判断胶印机的电机堵转报警起因的方法

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Also Published As

Publication number Publication date
CN1007415B (zh) 1990-04-04
SG111491G (en) 1992-05-22
US4810942A (en) 1989-03-07
HK5093A (en) 1993-01-29
CA1260115A (en) 1989-09-26
US5014335A (en) 1991-05-07
EP0204164A2 (de) 1986-12-10
AU5635586A (en) 1986-12-11
JPS62171479A (ja) 1987-07-28
DE3519840A1 (de) 1986-12-04
CN86103238A (zh) 1986-12-03
EP0204164A3 (en) 1988-07-27
DE3519840C2 (zh) 1991-05-29
AU588868B2 (en) 1989-09-28

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