WO2004054805A1 - Verfahren zur temperierung, regeleinrichtung sowie vorrichtung zur temperierung - Google Patents
Verfahren zur temperierung, regeleinrichtung sowie vorrichtung zur temperierung Download PDFInfo
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- WO2004054805A1 WO2004054805A1 PCT/DE2003/004098 DE0304098W WO2004054805A1 WO 2004054805 A1 WO2004054805 A1 WO 2004054805A1 DE 0304098 W DE0304098 W DE 0304098W WO 2004054805 A1 WO2004054805 A1 WO 2004054805A1
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- WIPO (PCT)
- Prior art keywords
- control
- temperature
- fluid
- component
- control device
- Prior art date
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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
- B41F13/08—Cylinders
- B41F13/22—Means for cooling or heating forme or impression cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
- B01F25/4331—Mixers with bended, curved, coiled, wounded mixing tubes or comprising elements for bending the flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
- B01F25/4337—Mixers with a diverging-converging cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0422—Numerical values of angles
Definitions
- the invention relates to methods for temperature control, a control device and a device for temperature control according to the preamble of claims 1, 4, 21 and 31.
- DE 4429520 A1 discloses a device and a method for tempering a component in a printing press, the component being tempered using an at least partially circulating fluid.
- An actuator by means of which a mixing ratio can be set at a feed point of two fluid flows of different temperatures, is controlled via a temperature measuring point arranged between the feed point and the component.
- EP 0 886 577 B1 discloses a device and a method for tempering a component, wherein a component temperature is monitored by means of sensors and the measured value is passed on to a control unit. If the temperature measured on the component deviates from a setpoint, the control unit lowers or increases the temperature of a coolant in a cooling unit by a certain amount, waits for a period of time and repeats the measurement and the steps mentioned until the setpoint is reached again.
- EP 0 382295 A2 discloses a temperature control device for printing presses, a temperature of the fluid in a supply path and a surface temperature of the component to be temperature-controlled being recorded and fed to a control unit. Based on these temperatures as well as any predefined disturbances such as B. paper used, dampening solution content and target temperatures, a manipulated variable for controlling a mixer motor is determined, which adjusts the ratio between circulated and freshly tempered fluid.
- JP 60-161152 A discloses a cooling device of a roller to be temperature-controlled, wherein a surface temperature of the roller and a fluid temperature in the inflow path are measured and fed to a control device for comparison with a setpoint value and for controlling a valve.
- the invention has for its object to provide a method for temperature control, a control device and a device for temperature control.
- the advantages that can be achieved with the invention are, in particular, that the control works very quickly and stably even with larger transport routes for the temperature control medium.
- the short response time enables use in applications and processes with high dynamic proportions.
- the present temperature control is also of great advantage where rapid changes in a temperature setpoint have to be reproduced and / or where external conditions such as e.g. B. Energy input due to friction or outside temperature, change very quickly.
- the rapid control despite possibly long transport routes for the fluid is achieved, on the one hand, by subordinating a further control circuit, in particular two control circuits, to the temperature at the component.
- a further control circuit in particular two control circuits
- the direct determination of the temperature of the component can also be omitted and a control loop monitoring the temperature at the entry into the component can be subordinated by a further control loop.
- the controlled system from the point of preparation of the temperature control medium (mixing, heating, cooling) to the destination, e.g. B. the component itself or the entry into the component, is thus in several sections and transit times divided.
- an innermost control circuit already monitors and controls the temperature of the tempering agent during the preparation (mixing, heating, cooling) so that any errors that may occur during the preparation are detected and corrected at the beginning of the transport route, and not only determined when the component is reached and a measure is taken.
- Fig. 1 is a schematic representation of the temperature control section with the first
- FIG. 2 shows a second exemplary embodiment for the control device or the control process
- FIG. 3 shows a third exemplary embodiment for the control device or the control process
- FIGS. 1 to 4 show a further development of the embodiment according to FIGS. 1 to 4 of the inner control loop concerning;
- FIGS. 1 to 4 shows a development of the embodiment according to FIGS. 1 to 4 relating to the outer control loop
- FIG. 7 shows a schematic illustration of a runtime-based controller
- FIG. 8 shows a more detailed section of the temperature control section shown in FIG. 1;
- FIG. 9 shows a first exemplary embodiment of a swirl chamber
- FIG. 10 shows a second exemplary embodiment of a swirl chamber
- Fig. 11 shows a third embodiment for a swirl chamber.
- a component 01 of a machine should be tempered.
- Component 01 of the printing press is B. part of a printing unit, not shown, in particular an ink-guiding roller 01 of a printing unit.
- This roller 01 can be used as roller 01 of an inking unit, e.g. B. as anilox roller 01, or as cylinder 01 of the printing unit, for. B. as a forme cylinder 01.
- the device described below and the method for temperature control can be used particularly advantageously together with a printing unit for waterless offset printing, ie a printing unit without the use of dampening solution.
- the quality in the ink transfer is extremely dependent on the temperature of the ink and / or the ink-guiding surfaces (e.g. lateral surface of rollers 01 or cylinders 01).
- the quality of the ink transfer is also sensitive to the splitting speed, i.e. the machine speed.
- the temperature control takes place via a temperature control medium, in particular a fluid such as e.g. B. water, which is brought into thermal interaction with the component 01 via a tempering section 02.
- the fluid can also be a gas or gas mixture, such as. B. be air.
- the fluid is supplied to the component 01 in a first circuit 03, flows through or flows around the component 01, absorbs heat (cooling) or emits heat (heating) and flows back heated or cooled accordingly.
- a heating or cooling unit can be arranged, which can be used to produce the desired fluid temperature.
- the first circuit 03 is connected as a secondary circuit 03 to a second circuit 04, a primary circuit 04, in which the fluid has a defined and largely constant temperature Tv, e.g. B. flow temperature Tv.
- a temperature control device e.g. B. a thermostat, a heating and / or cooling unit, etc., which ensures the flow temperature Tv, is not shown here.
- Via a connection 05 between primary and secondary circuit 03; 04 can at a first connection point 06 of the primary circuit 04 via an actuator 07, z. B. a controllable valve 07, fluid is removed from the primary circuit 04 and metered into the secondary circuit 03.
- connection point 08 depending on the supply of new fluids at the connection point 06, fluid is returned from the secondary circuit 03 at a connection point 10 via a connection 15 into the primary circuit 04.
- the fluid in the area of the first connection point 06 is at a higher pressure level than in the area of the second connection point 08.
- the fluid, or a large part of the fluid is between a drive 11, for example a pump 11, a turbine 11 or in some other way, on an inflow section 12, through the component 01, a return flow section 13 and a section 14 Inflow and return flow path 12; 13 circulates in the secondary circuit 03.
- a corresponding amount of fluid flows through the connection 15 into the primary circuit 04 or a correspondingly reduced amount of fluid flows through the section 14.
- the part flowing back via the section 14 and the fresh part via the Valve 07 supplied to a feed or injection point 16 mix and now form the temperature-controlled fluid for temperature control.
- a swirl path 17, in particular a swirl chamber 17, is arranged as directly as possible behind the injection point 16, in particular between the injection point 16 and the pump 11.
- the feed or injection point 16 corresponds to the location of the energy exchange with the heating or cooling unit concerned and the actuator 07, for example, one assigned to the heating or cooling unit Power control or the like.
- the connection point 10 in the circuit 03 is omitted since the fluid as a whole circulates in the circuit 03 and energy is supplied or removed at the feed point 16 or heat or cold is “fed in.”
- the heating or cooling unit corresponds here, for example, to that Actuator 07.
- the surface temperature ⁇ 3 on the roller 01 to a predetermined target value ⁇ 3 are set to n or held. This is done by measuring a meaningful temperature on the one hand and regulating the supply of fluid from the primary 04 into the secondary circuit 03 to generate a corresponding mixing temperature on the other hand.
- the locations for the measurement are now selected such that at least one measuring point M1 in the area of the temperature control cabinet 18 and one measuring point M2; M3 is arranged close to the component, that is to say at the end of the long inflow section 12.
- a first temperature ⁇ -i is measured between the injection point 16 and the pump 11, in particular between a swirl path 17 and the pump 11, by means of a first sensor S1.
- a second temperature ⁇ 2 is determined by means of a second sensor S2 in the area of entry into component 01.
- the temperature ⁇ 3 is also determined in FIG. 1 by measurement, specifically by an infrared sensor (IR sensor) S3 directed towards the surface of the roller 01.
- the sensor S3 can also be arranged in the area of the lateral surface or as explained below u. U. also omitted.
- the temperature control takes place with the aid of a control device 21 or a control process 21, which is described in more detail below.
- the control device 21 (FIG. 1) is based on a multi-loop, here three-loop cascade control.
- An innermost control circuit has the sensor S1 just behind the injection point 16, a first controller R1 and the actuator 07, ie the valve 07.
- the controller R1 receives a deviation ⁇ i of the measured value ⁇ i as an input variable a (corrected) target value ⁇ , so n , k (node K1) and acts on the actuator 07 according to its implemented control behavior and / or control algorithm with a control command ⁇ .
- the corrected setpoint ⁇ , SO ⁇ is not, as is otherwise customary, specified directly by a controller or manually, but is formed using an output variable from at least one second control circuit located further "outside".
- the second control circuit has sensor S2 just before Entry into component 01 and a second controller R2
- the controller R2 receives as an input variable a deviation ⁇ 2 of the measured value ⁇ 2 at the sensor S2 from a corrected setpoint ⁇ 2 ⁇ SO ⁇ , k (node K2) and generates at its output according to its implemented one Control behavior and / or control algorithm a variable d ⁇ -i correlated with the deviation ⁇ 2 (output variable d ⁇ -, which is also used for the first controller R1 to form the corrected setpoint ⁇ 1> S0 n mentioned above, ie depending on the deviation of the measured value ⁇ 2 from the corrected target value ⁇ 2 , so n, k will influence the corrected target value ⁇ via the quantity d ⁇ ⁇ , SO ⁇ , k of the first controller R1.
- the corrected setpoint ⁇ , SO ⁇ is formed for the first controller R1 at a node K1 '(eg addition, subtraction) from the quantity d ⁇ i and a theoretical setpoint ⁇ ' ⁇ , SO ⁇ .
- the theoretical setpoint ⁇ ' ⁇ lS oi ⁇ in turn is formed in a pilot control with respect to the heat flow V WF .
- the pilot control element V W F, here VL W F (index 1 for the setpoint formation of the first control circuit) takes into account the heat exchange (losses, etc.) of the fluid on a partial route and is based on empirical values (expert knowledge, calibration measurements, etc.).
- the pilot control element V- I , W F takes into account the heat or cold losses on the section between the measuring points M1 and M2 by forming a correspondingly increased or decreased theoretical target value ⁇ ' ⁇ , SO ⁇ , which then together with the Size d ⁇ i for the corrected setpoint ⁇ , so n, k is processed for the first controller R1.
- V W F is a relationship between the input variable (setpoint ⁇ 3 , So i ⁇ or ⁇ ' 2 , soi ⁇ or su ⁇ ' 2 , so ⁇ , n ) and a corrected output variable (modified setpoint ⁇ ' 2 , soi ⁇ or su ⁇ ' 2 , soi ⁇ , n or ⁇ ' ⁇ , SO ⁇ , n ), which can preferably be changed via parameters or in any other way as required.
- the pilot control element V IIW F would be given a defined setpoint value ⁇ 2 , n, as an input variable from a machine control or manually. This would also be used to form the above-mentioned deviation ⁇ 2 upstream of the second controller R2.
- the control device 21 has three cascaded control loops.
- the corrected setpoint ⁇ 2 , SO ⁇ , k upstream of the second controller R2 is now also not, as is otherwise customary, specified directly by a controller or manually, but is instead formed using an output variable from a third, external control loop.
- the third control circuit has the sensor S3, which detects the temperature on or in the area of the lateral surface, and a third controller R3.
- the controller R3 receives as an input variable a deviation ⁇ 3 of the measured value ⁇ 3 at the sensor S3 from a target value ⁇ 3 , S oi ⁇ (node K3) and generates at its output a variable correlated with the deviation ⁇ 3 according to its implemented control behavior and / or control algorithm d ⁇ 2 , which is used for forming the above-mentioned corrected target value ⁇ 2 , so ⁇ , k for the second controller R2.
- the quantity d ⁇ 2 influences the corrected setpoint ⁇ 2 to be formed , SO ⁇ , k of the second controller R2 taken.
- the corrected setpoint ⁇ 2 , so n, k for the second controller R2 is at a node K2 '(eg Addition, subtraction) from the quantity d ⁇ 2 and a theoretical target value ⁇ ' 2 , SO ⁇ (or ⁇ " 2 , SO ⁇ su).
- the theoretical target value ⁇ ' 2 , S oi ⁇ is again in a pilot control with respect to the heat flow V
- F takes into account, for example, the heat or cold losses on the section between the measuring points M2 and M3 by forming a correspondingly increased or decreased theoretical target value ⁇ ' 2 ⁇ SO ⁇ , which then together with the variable d ⁇ 2 for the corrected setpoint ⁇ 2 , SO ⁇ , k for the second controller R2 is processed.
- the method described is therefore based on the one hand on measuring the temperature directly behind the injection point 16 and at least one measurement near the component 01 to be temperature-controlled.
- a particularly short response time of the control is achieved by the fact that several control loops interlock with one another and already at the Setpoint formation for the inner control loop a measured value ⁇ 2 closer to component 01; ⁇ 3 is taken into account.
- a particularly short response time is achieved by a pilot control, which brings in empirical values for losses to be expected on the temperature control section 02.
- a control loop located closer to the actuator 07 is therefore already given a setpoint which is increased or decreased by an empirical value in anticipation of losses.
- control device 21 has, in addition to the pilot control element with regard to the heat flow IIWF ; V 2 ⁇ WF further feedforward control on:
- the fluid requires, for example, a finite transit time T for the distance from valve 07 to sensor S2.
- the respective mixing temperature does not change instantaneously to the desired value (eg inertia of the valve, heating or cooling of the tube walls and pump), but is subject to a time constant T e2 . If this is not taken into account, as in the embodiment according to FIG. 1, there may be severe overshoots in the control, for example because an opening command is given of the valve 07, the result of this opening, namely correspondingly warmer or colder fluid, has not yet reached the measuring location of the measuring point M2, but the corresponding control loop incorrectly issues further control commands for the opening.
- the route reactions to the activities of the innermost controller R1 are at the level of the two outer controllers R2; R3 initially not visible.
- a pilot control element with regard to the running time and / or the time constant V LZ is required when forming the setpoint in one or more of the control loops Provided as a route model element, by means of which the expected natural "delay" in the result of a change in the actuator 07 is taken into account.
- the pilot element relating to the running time and / or the time constant V LZ is used to determine the running time actually required by the fluid (based on empirical values or The external controllers R2; R3 now only react to those deviations that are not to be expected when taking into account the modeled route characteristics and are therefore actually in need of correction Deviations that are physically unavoidable and that the innermost controller R1 already takes care of "locally” become the outer controllers R2; R3 is made “blind” by this symmetrization.
- the "pilot control element” V z thus acts in the manner of a "delay and delay element" V Z.
- T ⁇ 2 ; T * e2 ; TL 3 ; T * e3 which, for example, the real running time T 2 or T ' L3 and / or the replacement time constant T e2 .
- the setting is to be carried out in such a way that a computationally generated virtual dynamic setpoint curve, for example setpoint ⁇ " 2 , S oi ⁇ or ⁇ " 3 , soi ⁇ , essentially in time with the corresponding curve of the measured value ⁇ 2 or ⁇ 3 for the temperature is compared at the assigned sensor S2 or S3 at node K2 or K3.
- the virtual, changed setpoint ⁇ " 3 ⁇ SO ⁇ corresponds to the setpoint ⁇ 3 , SO ⁇ , k to be compared with the measured value, since it is not corrected by another control loop.
- the setpoint ⁇ ' 3 , soi ⁇ represents the setpoint ⁇ " 3 , SO ⁇ without further change.
- Such a pilot control element V Z which represents the system model, is provided at least for the setpoint formation of the control circuit or control circuits, which the sensor S2 close to the component or the sensors S2 close to the component; S3 are assigned.
- the two outer control loops have such a pilot control element V LZ , 2 ; V L ⁇ on. If the distance between the valve 07 and the sensor S1 turns out to be too large and disturbing, it is also possible to provide a corresponding pilot control element V LZ .- I when forming the setpoint for the inner control loop.
- a further improvement of the control dynamics can be achieved in a further development of the mentioned control device according to FIG. 3 if the implementation of the desired setpoint curve on the level of the innermost control loop by a reserve element V H , I in the form of a time constant exchanger, for example 1st order (lead lag Filter) faster and less lag is made.
- This feedforward control in the form of the lead element VVH initially causes an increase in amplitude (overcompensation) in the reaction in order to accelerate the control process in a respective initial phase, and then returns to neutrality.
- this measure is preferably carried out only in the setpoint portion that is not influenced by actual values, ie in front of the respective node K1 '; K2 '(adding or subtracting point etc. depending on the sign).
- this dynamic measure must then also be compensated for there by appropriate retention elements V V H, 2 or V VH , 3 , which, in addition to the above-mentioned controls V F with regard to the heat flow and V L, plus. the running time and / or the time constants act in the setpoint formation of the following control loop.
- the progression property of the said increase is depicted and permanently stored, but the amount and progression can preferably be changed via parameters or in some other way as required.
- the lead element V VH, I is preferably arranged in front of the pilot element V ⁇ _z (if present) and after the pilot element V WF (if present) with respect to the signal path.
- the pilot control element V V H can also be used in one of the embodiments according to FIGS. 1 to 4, regardless of the presence of the pilot control elements V LZ , V DZ , or V A B (SU), or in addition.
- a further improvement of the control dynamics can be achieved in a further development of the control devices according to FIGS. 1, 2 or 3 if, in addition to the above-mentioned pilot controls V F with regard to the heat flow, with regard to the running time and / or the time constant VLZ and / or the holding element V V H there is a feedforward control with respect to the machine speed V DZ (FIG. 4).
- V F with regard to the heat flow
- V LZ running time and / or the time constant VLZ and / or the holding element V V H
- V V DZ machine speed
- more or less strong frictional heat is produced in a printing unit. Should he Mass flow of the fluid are kept substantially constant, so an increased frictional heat can only be achieved by lowering the fluid temperature and vice versa.
- the control device described above would undoubtedly react over time to the change in the frictional heat by lowering or increasing the fluid temperature, but only when the temperature at sensor S3 indicates the undesired temperature.
- the pilot control element is provided with respect to the speed V D z, which basically includes all subordinate setpoint formation, which therefore has the character of a manipulated variable, i.e. the formation of the Setpoints ⁇ " ⁇ , so n; ⁇ " 2 , so n; ⁇ " 3 , so n, can be superimposed.
- the superimposition of the outer control loop makes no sense as long as the measured value of sensor S3 represents the technologically final actual value (eg the temperature of the effective surface, ie the outer surface itself) the pilot control element V DZ merely on the formation of the target values ⁇ " ⁇ , so n and ⁇ " 2 , SO ⁇ , namely by a correction value d ⁇ n the theoretical target value ⁇ ' 2 generated by the pilot control element V 2 , W F upstream of the second control circuit , is superimposed so n.
- the measured value of sensor S3 represents the technologically final actual value (eg the temperature of the effective surface, ie the outer surface itself) the pilot control element V DZ merely on the formation of the target values ⁇ " ⁇ , so n and ⁇ " 2 , SO ⁇ , namely by a correction value d ⁇ n the theoretical target value ⁇ ' 2 generated by the pilot control element V 2 , W F upstream of the second control circuit , is superimposed so n.
- pilot control element V DZ there is a relationship between the machine speed n and a Neten correction permanently held, which is preferably changeable via parameters or in any other way as required.
- the pilot control element V DZ can also be used in one of the embodiments according to FIGS. 1 to 4, regardless of the presence of the pilot control elements V LZ , VVH > (see below) or V A B (SU), or in addition.
- sensor S3 does not measure the surface area, but rather a temperature further inside the component (which is technologically not the last valid temperature) it can also make sense to let the pilot control element V DZ also act on the outer control loop (R3).
- sensor S4 does not send the measured value directly from component 01, but from a sensor S4 arranged according to the flow of component 01; S5 (see Figs. 1 and 5), u. This may be linked to the measured value from S2.
- a rise limiter V A B in particular non-linear, is provided. This senses the finite actuating time (not equal to zero) and the real limitation of the actuator 07 with regard to its maximum actuation path, ie even if a very strong change is required, only a limited opening of the valve 07 and thus a limited amount of tempered fluid can be released from the Primary circuit 04 are supplied.
- the above-mentioned increase limitation (valve property) is depicted and permanently held in the pilot control member V AB , but can preferably be changed as required via parameters or in some other way.
- the pilot element V AB is also independent of the presence of the pilot elements in one of the embodiments according to FIGS. 1 to 3 , V H, I , or V DZ or can also be used.
- a measured value ⁇ of a sensor S5 is close to or in the area of the section 14, ie at a short distance to the injection point 16 and additionally used for control in the innermost control loop.
- the measured value ⁇ 5 is fed as an input value into a further pilot control element V NU for dynamic zero point suppression.
- the measured value ⁇ 5 gives information about the temperature at which the returning fluid will be available for the upcoming mixture with fed, cooling or heating fluid.
- the pilot control element V N U If the measured value suddenly changes significantly, for example the temperature drops sharply, the pilot control element V N U generates a correspondingly opposite signal ⁇ , for example a large increase in the opening at valve 07, and the controller R1 fed.
- the pilot control element V NU thus counteracts a change to be expected at sensor S1 shortly before it has occurred there. Due to this feedforward control, this change will ideally no longer occur there.
- a measured value ⁇ 3 is not used for the outer control loop of the controller R3 the component surface detecting sensor S3 or located in the lateral surface, but the measured values ⁇ 2 and ⁇ 4 of sensors S2 and S4 near the component in the inflow and return flow path 12; 13 used.
- These are processed together with a speed signal n in a logic unit L or in a logic process L using a permanently stored but preferably changeable algorithm to produce a replacement measured value ⁇ 3 , for example the replacement temperature ⁇ 3 of component 01 (or its surface).
- This substitute measured value ⁇ 3 is continued as a measured value or temperature ⁇ 3 instead of the measured value ⁇ 3 in accordance with the aforementioned exemplary embodiments from node K3.
- the controller R1; R2; R3 from the exemplary embodiments according to FIGS. 1 to 4 are in a simple embodiment as PI controllers R1; R2; R3 executed.
- controllers R2 and R3 are designed as so-called “runtime-based controllers” or “Smith controllers”.
- the runtime-based controllers R2 and R3, in particular runtime-based PI controllers R2 and R3, are shown and parameterized in FIG. 7 as an equivalent circuit diagram.
- the controller R2; R3 points as an input variable the deviation ⁇ 2 ; ⁇ 3 . It is designed as a PI controller with a parameterizable gain factor V R , the output signal of which is fed back via a replacement time constant element G ZK and a delay element GLZ (or, as shown in the pilot element V LZ , as one element).
- corresponding parameters TL 2 ; T e2 ; T 3 ; T e3l are, for example, the real transit time T 2 or T ' L3 and / or the time constant T e2 .
- T e3 should represent, adjustable on the runtime-based PI controller R2 and R3.
- FIG. 8 A section of the temperature control section schematically shown in FIG. 1 in an advantageous concrete embodiment is shown in FIG. 8.
- the inflow section 12 from the injection point 16 to a destination 22, i.e. the location whose surroundings or surface is to be cooled is shown in FIG. 8 in three sections 12.1; 12.2; 12.3.
- the first section 12.1 extends from the injection point 16 to the first measuring point M1 with the first sensor S1 and has a first path X1 and a first mean transit time T L ⁇ .
- the second section 12.2 extends from the first measuring point M1 to a "near-component" measuring point M2 with the sensor S2. It has a second path X2 and a second average running time T 2 .
- the third section 12.3 with a third distance X3 and a third mean transit time T L3 for the fluid connects to the second measuring point M2 and extends to the destination 22 (here the first contact of the fluid in the area of the extended lateral surface). A total running time T of the fluid from the injection point 16 to the destination thus results in T + T 2 + T 3 .
- the first measuring point M1 is selected “close to the feed point”, ie at a short distance from the feed point 16, here the injection point 16.
- the measuring point M1 close to the feed point or sensor S1 close to the actuating means is therefore understood to mean a location in the region of the inflow path 12 which is related to the running time of the fluid T L is less than on a tenth, in particular a twentieth, of the distance from the feed point 16 to the first contact with the destination 22 (here the first contact of the fluid in the area of the extended lateral surface), ie Tu ⁇ 0.1 T applies , in particular T u ⁇ 0.05 T.
- the measuring point M1 is a maximum of 2 seconds away from the injection point 16 with respect to the running time of the fluid T L ⁇ , in particular a maximum of 1 second, as already mentioned for FIG injection point 16, sensor S1 and the subsequent pump 11 in a temperature control cabinet 18, which forms a structural unit of the units contained therein le M1 is preferably in front of the pump 11. Via detachable connections 23; 24 in the inflow section 12 and the return flow section 13, the temperature control cabinet 18 can be connected to the component 01.
- component 01 and temperature control cabinet 18 are not arranged directly adjacent to one another in the machine, so that a line 26, for. B. a piping 26 or a hose 26, from the temperature control cabinet 18 to an inlet 27 into the component 01, for example to a bushing 27, in particular rotary joint 27, has a correspondingly large length.
- the implementation in the roller 01 or the cylinder 01 is only shown schematically in FIG. 8. If the roller 01 or the cylinder 01 has a pin on the end face, as usual, it is carried out by the pin.
- the path of the fluid to the lateral surface and in component 01 along the lateral surface is also only represented symbolically and can in a known manner, for. B.
- the second measuring point M2 is selected “close to the component”, ie at a short distance from the component 01 or the target location 22, here the lateral surface.
- the second measuring point M2 close to the component or the second sensor S2 close to the component is therefore understood to mean a location in the region of the inflow path 12 which is farther away in terms of the running time of the fluid than halfway from the injection point 16 to the first contact of the target location 22 (here the first contact of the fluid in the area of the extended lateral surface): T L2 > 0.5 T.
- the second measuring point M2 is arranged in the region of the line 26 in a stationary manner outside of the rotating component 01, and is, however, immediate, that is to say a maximum of 3 seconds with respect to the running time of the fluid Entry 27 into component 01 removed.
- the third measuring point M3, if present, is likewise arranged at least “close to the component”, but in particular “close to the destination”. This means that it is located in the immediate vicinity of the target location 22 of the fluid or detects the surface to be tempered directly (here the outer surface of the roller 01). In an advantageous embodiment, the measuring point M3 does not detect the fluid temperature, as in the case of the measuring points M1 and M2, but the area of the component 01 itself that is to be temperature-controlled.
- the immediate vicinity of the target location 22 means here that the sensor S3 is between the component 01 circulating fluid and the outer surface or detects the temperature ⁇ 3 on the outer surface without contact.
- the measuring point S3 can be dispensed with.
- Conclusions about the temperature ⁇ 3 can be drawn from empirical values from the measured values of the measuring point M2, for example on the basis of a stored relationship, an offset, a functional relationship become.
- a desired temperature ⁇ 3 for example, taking into account the machine or production parameters (including machine speed, ambient temperature and / or fluid throughput, (doctor blade) friction coefficient, thermal resistance), regulation to a desired temperature ⁇ 2 is carried out as the setpoint.
- the measuring point 3 is again dispensed with, however, conclusions about the temperature ⁇ 3 can be drawn from empirical values about the measured values of the measuring point M2 and the measuring point M4, for example again using a stored relationship, an offset, a functional relationship and / or Averaging of the two measured values.
- a desired temperature ⁇ 3 then, for example, taking into account the machine or production parameters (including machine speed, ambient temperature and / or fluid throughput), control is again carried out to a desired temperature ⁇ 2 as the setpoint, or to the temperature indirectly determined by the two measured values ⁇ 3 .
- 8 shows the inflow and outflow of the fluid in or out of the component 01 designed as a roller 01 or cylinder 01 on the same end face.
- the rotary feedthrough is designed with two connections, or as shown with two feedthroughs arranged coaxially one inside the other and coaxial to the roller 01.
- the measuring point M4 is also located as close as possible to the bushing.
- the temperature control device has a swirl section 17, in particular a specially designed swirl chamber 17, on section 12.1 between the feed point 16 and the first measuring point M1.
- the measuring point M1 should be arranged close to the feed point, so that the fastest possible response times in the control loop concerned can be achieved with the measuring point M1 and the actuator 07.
- a homogeneous mixture between the fed-in and returned fluid (or in the heated / cooled fluid) has generally not yet been achieved directly behind the feed point, so that measurement errors make it more difficult to regulate and possibly achieve the ultimately desired temperature ⁇ 3 on the component 01 delay considerably.
- This is followed directly by a change in direction from 70 ° to 110 °, in particular abruptly by approximately 90 °, which is followed by a second change in cross-section, namely a reduction from cross-sectional area A2 to cross-sectional area A3 with the factor f2 (f2 ⁇ 1).
- the factor f2 is advantageously chosen f2 ⁇ 0.5 and is chosen to be complementary to the factor f1 such that the two cross-sectional areas A1; A3 before and after the swirl chamber 17 are substantially the same size.
- FIG. 9 shows an embodiment of the swirling chamber 17 with a tubular inlet and outlet region 29; 31, wherein tubular lines (not shown) with cross-sectional area A1 here in centrally arranged openings 32; 33 open as inlet 32 and outlet 33.
- the abutting line 34 of the tubular inlet and outlet regions 29; 31 does not form a pipe bend with a continuous curvature, but is at least angularly bent in a plane formed by the flow directions in the inlet and outlet area (see bend 36; 37).
- the openings 32; 33 can also be non-centered in the areas A2; A3 lie.
- Fig. 10 shows an embodiment, wherein the swirl chamber 17 is designed in the geometry of a joint of two box-shaped tubes.
- two surfaces A2 each have openings 32; 33 on.
- the openings 32; 33 can again be arranged asymmetrically in the surfaces A2.
- FIG. 11 shows an exemplary embodiment, the swirling chamber 17 being designed in the geometry of a cuboid, in a special embodiment as in FIG. 10 as a cuboid of the same side edge lengths.
- two adjacent surfaces A2 each have openings 32; 33 on.
- the change in direction in the area of the “imaginary joint” (34) of the inlet and outlet area (with sharp edges (see kink 36; 37).
- the openings 32; 33 can be arranged asymmetrically in the areas A2.
- V VH retaining element (index i may indicate the control loop)
- Vpjw F pilot control element (index i may indicate the control loop)
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Temperature (AREA)
- Feedback Control In General (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Heat Treatment Of Articles (AREA)
- Control Of Heat Treatment Processes (AREA)
- Heat Treatment Of Steel (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003293286A AU2003293286A1 (en) | 2002-12-17 | 2003-12-11 | Tempering method, control device, and tempering device |
CNB2003801006382A CN100368191C (zh) | 2002-12-17 | 2003-12-11 | 恒温的方法和用于恒温的调节装置 |
DE50311672T DE50311672D1 (de) | 2002-12-17 | 2003-12-11 | Verfahren zur temperierung, regeleinrichtung sowie vorrichtung zur temperierung |
AT03788875T ATE435118T1 (de) | 2002-12-17 | 2003-12-11 | Verfahren zur temperierung, regeleinrichtung sowie vorrichtung zur temperierung |
EP03788875A EP1572459B1 (de) | 2002-12-17 | 2003-12-11 | Verfahren zur temperierung, regeleinrichtung sowie vorrichtung zur temperierung |
JP2005502404A JP4198153B2 (ja) | 2002-12-17 | 2003-12-11 | 温度調節方法、制御装置および温度調節装置 |
US10/539,555 US7740185B2 (en) | 2002-12-17 | 2003-12-11 | Tempering method, control device and tempering device |
HK06100351A HK1077784A1 (en) | 2002-12-17 | 2006-01-09 | Tempering method and control device for tempering |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10258927.5 | 2002-12-17 | ||
DE10258927 | 2002-12-17 | ||
DE10328234.3 | 2003-06-24 | ||
DE10328234A DE10328234B4 (de) | 2002-12-17 | 2003-06-24 | Verfahren zur Temperierung sowie Vorrichtung zur Temperierung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004054805A1 true WO2004054805A1 (de) | 2004-07-01 |
Family
ID=32598075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/004098 WO2004054805A1 (de) | 2002-12-17 | 2003-12-11 | Verfahren zur temperierung, regeleinrichtung sowie vorrichtung zur temperierung |
Country Status (10)
Country | Link |
---|---|
US (1) | US7740185B2 (de) |
EP (1) | EP1572459B1 (de) |
JP (1) | JP4198153B2 (de) |
CN (1) | CN100368191C (de) |
AT (1) | ATE435118T1 (de) |
AU (1) | AU2003293286A1 (de) |
DE (2) | DE10328234B4 (de) |
ES (1) | ES2327514T3 (de) |
HK (1) | HK1077784A1 (de) |
WO (1) | WO2004054805A1 (de) |
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DE102007004406A1 (de) | 2007-01-30 | 2008-07-31 | Koenig & Bauer Aktiengesellschaft | Verfahren und eine Vorrichtung zum Temperieren einer Walze |
DE202005021656U1 (de) | 2005-01-05 | 2009-03-12 | Koenig & Bauer Aktiengesellschaft | Systeme zur Temperierung von Bauteilen einer Druckmaschine |
DE102008001309A1 (de) | 2008-02-11 | 2009-08-13 | Koenig & Bauer Aktiengesellschaft | Verfahren und Vorrichtung zum Steuern einer Druckmaschine |
DE102009001218A1 (de) | 2009-02-27 | 2010-09-09 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Temperierung wenigstens eines Zylinders oder einer Walze eines Druckwerkes einer Druckmaschine |
WO2010105711A2 (de) | 2009-03-17 | 2010-09-23 | Koenig & Bauer Aktiengesellschaft | Druckmaschinen mit einer oder mehreren als drucktürme ausgebildeten druckeinheiten für den beidseitigen mehrfarbigen druck und vorrichtungen zur temperierung von bauteilen einer oder mehrerer der druckeinheiten |
DE102009001597A1 (de) | 2009-03-17 | 2010-09-30 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung mindestens eines Bauteils einer Druckeinheit |
DE102009001598A1 (de) | 2009-03-17 | 2010-09-30 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung von Bauteilen einer Druckeinheit |
DE102009001596A1 (de) | 2009-03-17 | 2010-09-30 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung mindestens eines Bauteils einer Druckeinheit und eine Vorrichtung zur Temperierung von Bauteilen einer mehrere übereinander angeordnete Druckwerke aufweisenden Druckeinheit |
EP2335927A2 (de) | 2005-01-05 | 2011-06-22 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Einstellung einer Übertragung von Druckfarbe |
DE102011076334A1 (de) | 2011-05-24 | 2012-11-29 | Koenig & Bauer Aktiengesellschaft | Vorrichtung und Verfahren zur Überwachung und/oder Regelung einer Temperierung von Bauteilen einer Druckmaschine |
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GB201518641D0 (en) * | 2015-10-21 | 2015-12-02 | Rolls Royce Plc | A system and method |
CN105799311B (zh) * | 2016-03-21 | 2018-04-13 | 安徽工程大学 | 一种印刷机印版温度控制装置及其温度控制方法 |
CN109278432B (zh) * | 2018-10-16 | 2020-07-31 | 潮州市潮安区梅园印务有限公司 | 一种凹印印刷工艺 |
CN109514978A (zh) * | 2018-12-29 | 2019-03-26 | 陕西北人印刷机械有限责任公司 | 一种印刷重复长度可变的卫星式无水胶印单元 |
CN116368011B (zh) * | 2021-02-18 | 2024-02-06 | 柯尼格及包尔公开股份有限公司 | 送墨系统及其运行方法以及凹印印刷装置和将凹印印刷油墨送入凹印印刷装置的方法 |
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- 2003-06-24 DE DE10328234A patent/DE10328234B4/de not_active Expired - Fee Related
- 2003-12-11 ES ES03788875T patent/ES2327514T3/es not_active Expired - Lifetime
- 2003-12-11 EP EP03788875A patent/EP1572459B1/de not_active Expired - Lifetime
- 2003-12-11 AT AT03788875T patent/ATE435118T1/de active
- 2003-12-11 DE DE50311672T patent/DE50311672D1/de not_active Expired - Lifetime
- 2003-12-11 CN CNB2003801006382A patent/CN100368191C/zh not_active Expired - Fee Related
- 2003-12-11 US US10/539,555 patent/US7740185B2/en not_active Expired - Fee Related
- 2003-12-11 JP JP2005502404A patent/JP4198153B2/ja not_active Expired - Fee Related
- 2003-12-11 AU AU2003293286A patent/AU2003293286A1/en not_active Abandoned
- 2003-12-11 WO PCT/DE2003/004098 patent/WO2004054805A1/de active Application Filing
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- 2006-01-09 HK HK06100351A patent/HK1077784A1/xx not_active IP Right Cessation
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Cited By (23)
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EP2335927A2 (de) | 2005-01-05 | 2011-06-22 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Einstellung einer Übertragung von Druckfarbe |
DE202005021656U1 (de) | 2005-01-05 | 2009-03-12 | Koenig & Bauer Aktiengesellschaft | Systeme zur Temperierung von Bauteilen einer Druckmaschine |
EP1952984A2 (de) | 2007-01-30 | 2008-08-06 | Koenig & Bauer Aktiengesellschaft | Verfahren und eine Vorrichtung zum Temperieren einer Walze einer Druckmaschine |
DE102007004406A1 (de) | 2007-01-30 | 2008-07-31 | Koenig & Bauer Aktiengesellschaft | Verfahren und eine Vorrichtung zum Temperieren einer Walze |
US8127672B2 (en) | 2008-02-11 | 2012-03-06 | Koenig & Bauer Aktiengesellschaft | Method and device for controlling at least one rotating component of a printing press |
WO2009100783A2 (de) | 2008-02-11 | 2009-08-20 | Koenig & Bauer Aktiengesellschaft | Verfahren und vorrichtung zum steuern einer druckmaschine |
DE102008001309B4 (de) * | 2008-02-11 | 2013-05-02 | Koenig & Bauer Aktiengesellschaft | Verfahren und Vorrichtung zum Steuern einer Druckmaschine |
DE102008001309A1 (de) | 2008-02-11 | 2009-08-13 | Koenig & Bauer Aktiengesellschaft | Verfahren und Vorrichtung zum Steuern einer Druckmaschine |
WO2009100783A3 (de) * | 2008-02-11 | 2009-10-29 | Koenig & Bauer Aktiengesellschaft | Verfahren und vorrichtung zum steuern einer druckmaschine |
DE102009001218A1 (de) | 2009-02-27 | 2010-09-09 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Temperierung wenigstens eines Zylinders oder einer Walze eines Druckwerkes einer Druckmaschine |
DE102009001218B4 (de) * | 2009-02-27 | 2013-02-07 | Koenig & Bauer Aktiengesellschaft | Verfahren zur Temperierung wenigstens eines Zylinders oder einer Walze eines Druckwerkes einer Druckmaschine |
DE102009001597B4 (de) * | 2009-03-17 | 2011-11-10 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung von Bauteilen einer oder mehrerer Druckeinheiten für den beidseitigen mehrfarbigen Druck |
WO2010105711A3 (de) * | 2009-03-17 | 2010-11-25 | Koenig & Bauer Aktiengesellschaft | Druckmaschinen mit einer oder mehreren als drucktürme ausgebildeten druckeinheiten für den beidseitigen mehrfarbigen druck und vorrichtungen zur temperierung von bauteilen einer oder mehrerer der druckeinheiten |
DE102009001596A1 (de) | 2009-03-17 | 2010-09-30 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung mindestens eines Bauteils einer Druckeinheit und eine Vorrichtung zur Temperierung von Bauteilen einer mehrere übereinander angeordnete Druckwerke aufweisenden Druckeinheit |
DE102009001596B4 (de) * | 2009-03-17 | 2011-12-15 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung von Bauteilen einer mehrere übereinander angeordnete Trockenoffsetdruckwerke aufweisenden Druckeinheit |
DE102009001598A1 (de) | 2009-03-17 | 2010-09-30 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung von Bauteilen einer Druckeinheit |
US8327762B2 (en) | 2009-03-17 | 2012-12-11 | Koenig & Bauer Aktiengsellschaft | Printing presses having one or more printing units embodied as printing towers for double-sided multicolor printing, and devices for controlling the temperature of components of one or more of the printing units |
DE102009001597A1 (de) | 2009-03-17 | 2010-09-30 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung mindestens eines Bauteils einer Druckeinheit |
DE102009001598B4 (de) * | 2009-03-17 | 2013-02-07 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zur Temperierung von Bauteilen einer Druckeinheit |
WO2010105711A2 (de) | 2009-03-17 | 2010-09-23 | Koenig & Bauer Aktiengesellschaft | Druckmaschinen mit einer oder mehreren als drucktürme ausgebildeten druckeinheiten für den beidseitigen mehrfarbigen druck und vorrichtungen zur temperierung von bauteilen einer oder mehrerer der druckeinheiten |
EP2639065A1 (de) | 2009-03-17 | 2013-09-18 | Koenig & Bauer Aktiengesellschaft | Druckmaschine mit einer oder mehreren als Drucktürme ausgebildeten Druckeinheiten für den beidseitigen mehrfarbigen Druck und einer Vorrichtung zur Temperierung von Bauteilen einer oder mehrerer der Druckeinheiten |
DE102011076334A1 (de) | 2011-05-24 | 2012-11-29 | Koenig & Bauer Aktiengesellschaft | Vorrichtung und Verfahren zur Überwachung und/oder Regelung einer Temperierung von Bauteilen einer Druckmaschine |
DE102011076334B4 (de) * | 2011-05-24 | 2015-12-17 | Koenig & Bauer Ag | Verfahren und Vorrichtungen zur Überwachung einer Temperierung von Bauteilen einer Druckmaschine |
Also Published As
Publication number | Publication date |
---|---|
US7740185B2 (en) | 2010-06-22 |
DE10328234B4 (de) | 2005-09-15 |
HK1077784A1 (en) | 2006-02-24 |
US20060086812A1 (en) | 2006-04-27 |
EP1572459A1 (de) | 2005-09-14 |
CN1692018A (zh) | 2005-11-02 |
ES2327514T3 (es) | 2009-10-30 |
JP4198153B2 (ja) | 2008-12-17 |
ATE435118T1 (de) | 2009-07-15 |
CN100368191C (zh) | 2008-02-13 |
EP1572459B1 (de) | 2009-07-01 |
JP2006510131A (ja) | 2006-03-23 |
DE10328234A1 (de) | 2004-07-15 |
AU2003293286A1 (en) | 2004-07-09 |
DE50311672D1 (de) | 2009-08-13 |
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