EP1036883A2 - Procédé pour chauffer une poutre lisseuse d'un finisseur et dispositif de chauffage électrique - Google Patents

Procédé pour chauffer une poutre lisseuse d'un finisseur et dispositif de chauffage électrique Download PDF

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Publication number
EP1036883A2
EP1036883A2 EP00105550A EP00105550A EP1036883A2 EP 1036883 A2 EP1036883 A2 EP 1036883A2 EP 00105550 A EP00105550 A EP 00105550A EP 00105550 A EP00105550 A EP 00105550A EP 1036883 A2 EP1036883 A2 EP 1036883A2
Authority
EP
European Patent Office
Prior art keywords
screed
heating
heating elements
temperature
heating device
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
Application number
EP00105550A
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German (de)
English (en)
Other versions
EP1036883A3 (fr
EP1036883B1 (fr
Inventor
Stephan Dipl.-Ing. Erasmus
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.)
Joseph Voegele AG
Original Assignee
Joseph Voegele AG
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 Joseph Voegele AG filed Critical Joseph Voegele AG
Publication of EP1036883A2 publication Critical patent/EP1036883A2/fr
Publication of EP1036883A3 publication Critical patent/EP1036883A3/fr
Application granted granted Critical
Publication of EP1036883B1 publication Critical patent/EP1036883B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
    • E01C2301/10—Heated screeds

Definitions

  • the invention relates to a method according to the preamble of patent claim 1 and an electric heating device according to the preamble of the subordinate Claim 9.
  • the invention has for its object a method of the type mentioned and a screed heater suitable for performing the method specify with which an energy saving and long service life of the three-phase generator are achievable.
  • the load on the alternator by temporarily switching on and off at least one heating element or switching between at least two heating elements reduced, so that the three-phase generator can cool down or its critical operating temperature not reached.
  • An alternative or additive is that carried along by the installation material Heat is taken into account in order to save energy through the clocking and still one ensure sufficient heating of the screed.
  • the timing is only useful controlled during the paving operation of the screed, for the first time Heating of the screed is not delayed and that of the paving material to use the heat carried along profitably when the paver is paving and there is sufficient external heat available.
  • the management section may monitor various operating parameters on the side of power generation and in the paver to the removed Controlling performance to a permissible maximum, namely by modulated Switching the heating elements on and off, taking with them the installation material Heat used profitably, energy saved and the three-phase generator, e.g. protected against overload under unfavorable operating conditions.
  • the clocking can then be activated in any case be when the operating temperature of the alternator by predetermined temperature value, e.g. 20 ° C, above the ideal operating temperature should be. As a rule, this is still far below the critical level Three-phase generator temperature threshold.
  • predetermined temperature value e.g. 20 ° C
  • the cycle times are expediently approximately 30 seconds. These are periods of time which have no noticeable influence on the installation quality or the tendency to become dirty the screed and make sure that none are clearly noticeable Temperature leaps occur in the screed.
  • the operating temperature of the three-phase generator can be measured with high reliability determine by means of temperature sensitive resistors. Multiple temperature sensitive resistors are useful to monitor different temperature thresholds to be able to.
  • a noticeable relief of the three-phase generator is already achieved if at Switch off the heating elements on one half of the planks at the same time the other half of the screed.
  • the three-phase generator could be relieve even more by delaying between switching operations be respected. Alternatively, it would be possible to switch over with a time overlap.
  • the delay times or temporal overlaps can be proportional to the temperature of the generator.
  • Temperature-sensitive resistors placed in the winding of the three-phase generator tap the actual temperatures very reliably.
  • the current current value is measured by means of a current transformer and on the basis the power value is calculated and reported to the section.
  • a primary drive source Q usually a diesel engine, of the road paver, not shown drives a three-phase generator G, from the supply lines 1, 2 to two screed halves 3, 4 of the screed B or heating elements E integrated therein to lead.
  • the heating elements E serve to heat working components of the screed. These working components are, for example, tamper bars N, smoothing plates R and optionally provided pressure bars L, which are at approximately the temperature of the paving material must be heated so that the paving material does not attached.
  • the heater H has a control device C in which a microprocessor management section M is provided, in which various operating parameters of the Paver and / or the screed is monitored and used to control the heating device be taken into account.
  • a heater pre-selection switch W connected, adjustable between positions "zero, automatic, manual” is. In the “zero” position, the heating device is switched off. In the “automatic” position the heating device H is automatically controlled, namely with an alternating cycle to protect the three-phase generator G and to save energy and to optimally regulate the maximum permissible heating output.
  • the heating device H operated permanently and at full heating power. The protective measures for the generator can also be activated in the "hand” position.
  • the microprocessor management section M receives information and measurements and confirmations from various connected facilities.
  • temperature-sensitive resistors are distributed, which differ Monitor operating temperature thresholds and by type of sensors T submit the respective measured values.
  • the output of the three-phase generator G is one Current monitoring D is provided for power control, which is also connected to the control device C is connected.
  • the current monitor D is a current transformer, which is the current value of one of the three phases of the alternator Section M reports. It is due to a symmetrical power rating of the load possible to get by with the measurement of only one phase and based on this measurement to calculate the power per phase.
  • the speed of the primary drive source Q is detected by a device Qn and reported to the control device C. Further an insulation monitoring device J is provided which is connected to the screed B is connected, is controlled by section M and a good or bad signal transmitted. Using a voltage regulator that is not highlighted, the Generator voltage kept constant at zero at 230 V per phase. The insulation monitoring device J measures the resistance between the live and the Neutral against earth. Therefore, the heating elements must have a PE conductor be grounded. If an insulation fault occurs, the insulation monitoring device J and reports the error. Section M then carries out troubleshooting and gives only fault-free circuits free.
  • contactors S1 to S5 From the microprocessor management section M several contactors S1 to S5 controlled. Contactors S1 and S2 are included in supply lines 1, 2 and are controlled depending on the operating situation. It expediently acts are four-pole contactors. Another contactor S5 is for the power supply a possibly additional plank heating 7 provided, which either is operated permanently or, depending on the operating situation, is switched off.
  • Additional contactors S3, S4 are provided for sockets F, expediently Schuko and / or CEE sockets.
  • the CEE sockets and their leads are secured. Due to the high temperatures in the screed B, the hedge must be used be carried out on the paver, expediently by a Motor protection switch.
  • the motor protection switch serves as line protection. Secured are all other supply lines. Because of the temperature compensation the motor protection switch can be set to the maximum permissible nominal current of the screed be interpreted.
  • the CEE sockets can be used for frequency-independent Devices, e.g. Lighting equipment. On the Schuko sockets, however, are likely only 50 Hz devices can be connected. Give the two contactors S2, S4 approval for CEE and Schuko sockets F depending on the operating state and alternatively.
  • thermosensors provided on the working components in the screed A connected to the microprocessor management section M.
  • Sockets 8 attached to the screed B can be used for the heating elements of any extension parts 5, 6 attached to the power supply.
  • the release of the heating device depends on the section M the Fulfills several conditions. These conditions for heating release are for example: heating pre-selection "manual or automatic"; depends on the Design of the three-phase generator G (heating only at the nominal speed of the primary drive source, or enable heating at idle and at nominal speed) Confirmation the presence of idle speed or full throttle speed; Insulation monitoring device J not addressed; and second alternator temperature threshold not reached.
  • the heating device If the second three-phase generator temperature threshold is reached, then the heating device not released. The release takes place only after the Three-phase generator has cooled down and the heating pre-selector switch W is adjusted acknowledged to "zero".
  • An insulation monitoring acknowledgment switch, the microprocessor management section M and the insulation monitoring device J are in a control box on the paver (not shown).
  • the screed is connected via several wiring harnesses and CEE plugs (e.g. five wiring harnesses) connected to the control box.
  • the heating process begins, controlled by the Section M. After starting the heating process, the different heating combinations controlled and the power requirement calculated per combination. The combinations are then ranked according to their performance. Then every combination checked for validity. The combination with the greatest valid performance is Approved.
  • Thresholds Due to the linear characteristic of the temperature-dependent resistors, which in the Windings of the alternator G are housed, several Thresholds are set. If due to extreme conditions the generator Reached 20 ° C above its ideal operating temperature (warning threshold), the Regulation in section M, also in the "manual" switch position, for a clock cycle. This means that, for example, the heating elements E in the left half of the screed have a predetermined period of time, e.g. 30 seconds, be turned off, and only the heating elements stay switched on in the right half of the plank. After this elapse The heating elements in the right half of the screed are switched off and those of the left half of the planks switched on again. This is repeated continuously.
  • a predetermined period of time e.g. 30 seconds
  • Switch-off temperature threshold is set just below the critical temperature the generator winding. If this switch-off threshold is reached, an immediate one takes place Complete shutdown of the heating device. Only a few, all or only can be clocked a heating element can be switched on and off.
  • the microprocessor management section M conducts the validity check of the release provided that the aforementioned conditions for heating release are met. Subsequently the section modulates the removed power to a maximum, so that the generator temperature always remains within the permissible range.
  • the screed or the heating elements E must be heated until the Working components N, R, L are heated so far that the installation material on them and not stuck to the screed. After the time required for heating has elapsed can be started with the installation.
  • the temperature of the paving material is about 170 ° C.
  • the temperature and the temperature storage capacity of the screed Temperature in the working components, e.g. Smoothing plates, vibrators, tamper bars and pressing bars, to keep approximately constant, is actually no longer the full performance needed. Therefore, the switching cycle is controlled so that the right and left sides of the planks can be switched on alternately over approx. 30 seconds.
  • the Three-phase generator G then only needs 50% of the total screed output deliver is less burdened. It also saves a lot of energy.
  • the Alternating clocking is only activated when the screed is hot Paving material, i.e. during the installation phase. This happens after the paver's main switch is set to the "forward drive” position and the material conveying device is switched on and the diesel engine as the primary drive source runs at full throttle.
  • the power is modulated in the "Automatic" position so that it remains at an allowable maximum, e.g. proportional to the generator temperature.
  • the power is not modulated in the heating phase, but rather possibly clocked from a critical generator temperature.
  • the "automatic" position there are therefore two possibilities of influence, which are used alternatively or additively can be.
  • the "hand" position has, for example, at low ambient temperatures and / or cold installation material your justification.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
EP00105550A 1999-03-18 2000-03-16 Procédé pour chauffer une poutre lisseuse d'un finisseur et finisseur correspondant Expired - Lifetime EP1036883B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19912248 1999-03-18
DE19912248A DE19912248A1 (de) 1999-03-18 1999-03-18 Verfahren zum Beheizen der Einbaubohle eines Straßenfertigers, sowie elektrische Heizeinrichtung

Publications (3)

Publication Number Publication Date
EP1036883A2 true EP1036883A2 (fr) 2000-09-20
EP1036883A3 EP1036883A3 (fr) 2002-07-10
EP1036883B1 EP1036883B1 (fr) 2004-07-14

Family

ID=7901537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105550A Expired - Lifetime EP1036883B1 (fr) 1999-03-18 2000-03-16 Procédé pour chauffer une poutre lisseuse d'un finisseur et finisseur correspondant

Country Status (3)

Country Link
US (1) US6421594B1 (fr)
EP (1) EP1036883B1 (fr)
DE (2) DE19912248A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003008898A1 (fr) * 2001-07-16 2003-01-30 Werth Messtechnik Gmbh Appareil de mesure de coordonnees dote d'une source de chaleur supplementaire
EP1295990A3 (fr) * 2001-09-24 2004-01-07 Caterpillar Paving Products Inc. Régulation du chauffage d'une poutre lisseuse
EP1557492A3 (fr) * 2004-01-22 2007-11-14 Joseph Voegele AG Appareil pour surveiller un fonctionnement
EP2372022A1 (fr) 2010-03-23 2011-10-05 Joseph Vögele AG Engin de construction routière
CN102828457A (zh) * 2011-06-15 2012-12-19 约瑟夫福格勒公司 具有层厚测量设备的路面摊铺机
WO2014124545A1 (fr) 2013-02-14 2014-08-21 Ammann Schweiz Ag Procédé permettant de chauffer une table d'un finisseur
DE102013008032A1 (de) 2013-05-13 2014-11-13 Dynapac Gmbh Verfahren und Vorrichtung zum elektrischen Beheizen einer Fertigerbohle
DE102021120008A1 (de) 2021-08-02 2023-02-02 Generator.Technik.Systeme Gmbh & Co. Kg Straßenbaumaschine, Drehstromgenerator sowie Verfahren zum Betrieb der Straßenbaumaschine und zur Dimensionierung des Drehstromgenerators

Families Citing this family (20)

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GB0115039D0 (en) * 2001-06-20 2001-08-08 Finning Uk Ltd Electrically heated paving screed
US7050279B2 (en) * 2002-04-05 2006-05-23 Smc Electrical Products, Inc. Method and apparatus for high impedance grounding of medium voltage AC drives
GB2392190B (en) * 2002-08-16 2005-12-21 Roads Europ Ltd Improved road repair systems
DE202004021585U1 (de) * 2004-01-19 2009-06-04 Joseph Voegele Ag Straßenfertiger
EP1566484A1 (fr) * 2004-02-23 2005-08-24 BITELLI S.p.A. Commande pour chauffage d'une poutre lisseuse
US7121763B1 (en) 2004-09-10 2006-10-17 Roadtec, Inc. Folding end gate for screed assembly
DE202008010719U1 (de) * 2008-08-12 2008-10-09 Joseph Vögele AG Förderanlage
PL2281947T5 (pl) * 2009-06-26 2023-03-06 Joseph Vögele AG Wykańczarka z automatycznym układem sterowniczym silnika
US8297875B1 (en) 2011-06-21 2012-10-30 Caterpillar Paving Products Inc. Screed heating control
US8636442B1 (en) * 2012-12-14 2014-01-28 Caterpillar Paving Products Inc. Integrated generator for screed plate heat up
CN104088216B (zh) * 2014-06-26 2016-07-06 湖南三一路面机械有限公司 一种摊铺机的熨平装置及摊铺机
DE102015012298A1 (de) 2015-09-23 2017-03-23 Abg Allgemeine Baumaschinen-Gesellschaft Mbh Verfahren zum Betrieb eines selbstfahrenden Straßenfertigers und Straßenfertiger hierfür
US9811952B2 (en) * 2016-03-31 2017-11-07 Caterpillar Paving Products Inc. System and method for monitoring a condition of a paving machine
EP3241947A1 (fr) * 2016-05-02 2017-11-08 Joseph Vögele AG Poutre lisseuse comprenant un dispositif de fixation pour un élément chauffant
EP3382099B1 (fr) 2017-03-29 2019-03-27 Joseph Vögele AG Finisseuse de route comprenant un élément chauffant pour une table lisseuse
PL3527721T3 (pl) 2018-02-19 2021-05-04 Joseph Vögele AG Wykańczarka z regulatorami mocy do elektrycznych urządzeń grzejnych deski równającej
EP3859084A1 (fr) 2020-01-30 2021-08-04 Joseph Vögele AG Alimentation électrique pour un chauffage intégré d'un engin de construction de routes
EP3945159B1 (fr) 2020-07-29 2024-03-27 Joseph Vögele AG Dispositif de commutation pour un dispositif de chauffage électrique à madrier d'une finisseuse routière
EP4183925A1 (fr) 2021-11-18 2023-05-24 Joseph Vögele AG Système de chauffage pour une machine de construction
EP4283044A1 (fr) * 2022-05-25 2023-11-29 Joseph Vögele AG Procédé de chauffage d'une dame de mise en place d'une finisseuse de route

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GB2128374B (en) * 1982-09-21 1986-01-08 Dimplex Heating Ltd Temperature controller for heating apparatus
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CA2061682C (fr) * 1992-02-21 1999-03-16 Patrick C. Wiley Methode de recyclage d'une surface asphaltee, et appareil
DE4309031A1 (de) * 1992-03-30 1993-10-21 Licentia Gmbh Verfahren zum Betreiben mehrerer parallel geschalteter Thyristorsteller
US5417516A (en) * 1993-07-20 1995-05-23 Universal Screed Inc. Electrically heated paving screed
DE19537691C5 (de) * 1994-10-10 2004-11-11 T. F. Trading A/S Mehrkanal-Steuerungssystem für eine Straßenbaumaschine zum Erwärmen der Sohlenplatten des Glättbalkens
JP3592792B2 (ja) * 1995-04-21 2004-11-24 北日本電線株式会社 ロ−ドヒ−ティングの自動制御機構
US5832178A (en) * 1996-06-25 1998-11-03 Crafco, Incorporated Hot melt mix applicator with electrically heated hose and wand with temperature-controlled electric generator
US5763858A (en) * 1996-10-03 1998-06-09 Jones; Thaddeus M. Automatically controlled ice and snow melting system including a two-wire remote control
US6127653A (en) * 1998-06-02 2000-10-03 Samuels; Gladestone Method and apparatus for maintaining driveways and walkways free of ice and snow
US6227762B1 (en) * 1998-09-03 2001-05-08 Wesley Van Velsor Paving apparatus and method
US6172647B1 (en) * 1998-11-06 2001-01-09 Msx, Inc. Remote control for use with a deicing apparatus

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003008898A1 (fr) * 2001-07-16 2003-01-30 Werth Messtechnik Gmbh Appareil de mesure de coordonnees dote d'une source de chaleur supplementaire
EP1295990A3 (fr) * 2001-09-24 2004-01-07 Caterpillar Paving Products Inc. Régulation du chauffage d'une poutre lisseuse
US7641419B1 (en) 2001-09-24 2010-01-05 Caterpillar Paving Products Inc Heating control system for a screed
US7993075B2 (en) 2001-09-24 2011-08-09 Caterpillar Paving Products Inc. Heating control system for a screed
EP1557492A3 (fr) * 2004-01-22 2007-11-14 Joseph Voegele AG Appareil pour surveiller un fonctionnement
US7635829B2 (en) 2004-01-22 2009-12-22 Joseph Voegele Ag Function-supervising device
EP2372022A1 (fr) 2010-03-23 2011-10-05 Joseph Vögele AG Engin de construction routière
US8784003B2 (en) 2010-03-23 2014-07-22 Joseph Vogele Ag Road construction machine particularly a road finisher or road finisher feeder
CN102828457A (zh) * 2011-06-15 2012-12-19 约瑟夫福格勒公司 具有层厚测量设备的路面摊铺机
CN102828457B (zh) * 2011-06-15 2015-08-19 约瑟夫福格勒公司 具有层厚测量设备的路面摊铺机
WO2014124545A1 (fr) 2013-02-14 2014-08-21 Ammann Schweiz Ag Procédé permettant de chauffer une table d'un finisseur
DE102013008032A1 (de) 2013-05-13 2014-11-13 Dynapac Gmbh Verfahren und Vorrichtung zum elektrischen Beheizen einer Fertigerbohle
DE102013008032B4 (de) 2013-05-13 2023-12-21 Dynapac Gmbh Verfahren und Vorrichtung zum elektrischen Beheizen einer Fertigerbohle
DE102021120008A1 (de) 2021-08-02 2023-02-02 Generator.Technik.Systeme Gmbh & Co. Kg Straßenbaumaschine, Drehstromgenerator sowie Verfahren zum Betrieb der Straßenbaumaschine und zur Dimensionierung des Drehstromgenerators

Also Published As

Publication number Publication date
EP1036883A3 (fr) 2002-07-10
DE50007035D1 (de) 2004-08-19
US6421594B1 (en) 2002-07-16
EP1036883B1 (fr) 2004-07-14
DE19912248A1 (de) 2000-09-21

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