EP4116493A1 - Strassenfertiger mit heizeinrichtung sowie verfahren - Google Patents

Strassenfertiger mit heizeinrichtung sowie verfahren Download PDF

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Publication number
EP4116493A1
EP4116493A1 EP21184236.4A EP21184236A EP4116493A1 EP 4116493 A1 EP4116493 A1 EP 4116493A1 EP 21184236 A EP21184236 A EP 21184236A EP 4116493 A1 EP4116493 A1 EP 4116493A1
Authority
EP
European Patent Office
Prior art keywords
screed
control device
heating elements
road finisher
heating
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.)
Pending
Application number
EP21184236.4A
Other languages
German (de)
English (en)
French (fr)
Inventor
Dipl.-Ing. Ralf WEISER
Michael Heindtel
M. Sc. Steffen KOST
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
Priority to EP21184236.4A priority Critical patent/EP4116493A1/de
Priority to JP2022108301A priority patent/JP2023010644A/ja
Priority to US17/810,940 priority patent/US20230009241A1/en
Priority to CN202210853118.3A priority patent/CN115595854A/zh
Priority to BR102022013514-2A priority patent/BR102022013514A2/pt
Priority to CN202221855996.0U priority patent/CN218492219U/zh
Publication of EP4116493A1 publication Critical patent/EP4116493A1/de
Pending 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
    • E01C19/4866—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 with solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
    • 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
    • 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
    • E01C19/22—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 consolidating or finishing laid-down unset materials
    • E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
    • 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 present invention relates to a road finisher according to claim 1.
  • the present invention further relates to a method according to claim 16.
  • Pavers are configured to create a pavement from a hot bituminous paving material.
  • road finishers For (pre)compacting the paving material, road finishers have a paving screed that is pulled in the direction of paving travel and is kept at a desired working temperature by means of a heating device integrated therein.
  • the heating device comprises a plurality of heating elements, for example heating rods, which are installed in the respective screed sections in order to heat the compaction units installed therein and the compactor plates facing the subsoil.
  • the heating device is supplied with electrical power by a generator of the road finisher.
  • the paving result depends, among other things, on the functionality of the heating elements installed in the screed body. It is therefore desirable to monitor the functioning of the heating elements during the installation operation in order to detect a defective heating element as quickly as possible and to replace it with a functional heating element.
  • EP 3 527 721 A1 discloses a paver with power adjusters for electric screed heaters.
  • EP 1 295 990 A2 discloses a control device for heating elements installed on the screed of a road finisher.
  • WO 2014/124545 A1 discloses a method for heating a screed of a road finisher that is equipped with a heating device, the electric voltage applied to a heating element of the heating device being changed in order to change the heat output of the heating device.
  • the DE 10 2015 012 298 A1 discloses a road finisher with a generator that supplies electrical energy to an electric screed heater of a screed of the road finisher.
  • the screed heating comprises several groups of heating elements, which are assigned to various functional components of the screed, eg a base plate, a tamper, etc.
  • a current measuring device is provided, which is designed to measure an output current of the generator and which communicates with the machine controller via a data bus. Based on the current measurement, a fault diagnosis can be carried out for the screed heating.
  • this fault diagnosis coupled to the power supply, however, it is difficult to determine individual defective heating elements, in particular their installation location, so that repair work can be complex. This can lead to increased downtimes of the road finisher on the construction site.
  • the object of the invention is to provide a road finisher and a method with which the functioning of a screed heating device of the road finisher can be better monitored using simple, constructive technical features.
  • the road finisher according to the invention has a screed designed to produce a road surface, which includes a heating device with a plurality of heating elements. Furthermore, the road finisher according to the invention has at least one generator for supplying the heating device with electrical power and a control device designed for controlling the generator.
  • the heating elements each include at least one temperature sensor used to detect a malfunction present thereon. Based on the respective temperature measurements carried out directly on the heating elements, a malfunction can be detected individually, i.e. one or more specific heating elements of the heating elements used within the screed.
  • the heating elements used according to the invention are each designed to record a temperature directly applied to them during operation of the road finisher, so that the respective temperature states of these heating elements can be continuously precisely recorded and forwarded to the control device to detect a possible malfunction.
  • This allows the function of all heating elements that have a temperature sensor on the screed to be individually monitored. This has the advantage that defective heating elements are quickly identified and can be replaced, which can make a significant contribution to the production of quality road surfaces.
  • downtimes of the road finisher can be significantly reduced using the temperature-based diagnostic device according to the invention.
  • the temperature sensor is connected to the control device by a gateway configured for signal processing.
  • a gateway configured for signal processing.
  • This is ideally suited as a functional module for connecting the heating elements to the control device for the purpose of fault diagnosis and could also coordinate power distribution to the respective heating elements.
  • the temperature sensor it is possible for the temperature sensor to be connected to a screed distributor designed to receive and transmit actual temperature values detected by the temperature sensor. Although this can be used primarily for power distribution, the screed distributor can also, as a functional coupling unit, so to speak, as a transceiver, forward the respective actual temperature values of the heating elements that it has received to the control device.
  • the screed distributor is designed to pass on the actual temperature values received from the respective heating elements to a gateway that is configured for signal processing and is connected to the control device.
  • this gateway can receive all measurement signals recorded on the screed, in particular the actual temperatures of the respective heating elements from the screed distributor, and send these, if necessary in processed form, to the control device for the respective control and/or regulation sequences running therein, especially for the error diagnosis function , pass along.
  • the paving screed has a plurality of screed sections, each of which has a plurality of heating elements and a gateway that connects the temperature sensors provided thereon to the control device and is configured for signal processing.
  • the respective screed sections each have a plurality of heating elements and one screed distributor each.
  • the gateway and/or the screed distributor is designed in particular as a hardware and/or software component that establishes a connection between the respective heating elements and the control device manufactures.
  • the screed distributor is configured as a transceiver in order to receive the temperature states continuously measured on the respective heating elements during operation of the road finisher and to transmit them to the gateway.
  • the gateway can provide the respective temperature data received from the screed distributor to the control device in such a way that it checks the functionality of the respective heating elements based on this.
  • the gateway and/or the screed distributor is configured in particular to connect the heating elements installed within the screed to the control device, at least for a precise fault diagnosis function.
  • the individual temperature values measured on the individual heating elements and received at the gateway or at the screed distributor can be forwarded to the control device in data-processed form by means of the gateway and/or by means of the screed distributor in such a way that it can carry out an individual fault diagnosis for the individual heating elements based on this.
  • the gateway and/or the screed distributor is therefore used for the temperature-based error diagnosis function as a central interface designed for data processing between the temperature sensors installed in the screed body on the respective heating elements and the control device.
  • the gateway and/or the screed distributor preferably also offers the function of bringing the respective temperature measurement signals received therein into a processed data form intended for control and/or regulation processes of the operation of the screed and forwarding them to the control device, on the basis of which in particular compaction units of the screed are based can be controlled dynamically.
  • the screed preferably has a plurality of screed sections, each of which has a plurality of heating elements and a gateway configured for signal processing that connects the temperature sensors provided thereon to the control device, or each of which has a plurality of heating elements and a screed distributor that connects the temperature sensors connected to it to the gateway.
  • This screed distributor can be connected upstream of the gateway as a transceiver.
  • the paving screed has three or more screed sections, namely a central base screed and extension parts mounted laterally thereon, which can be extended transversely to the paving travel direction of the road paver to vary the paving width.
  • screed sections in the form of widening parts can be attached to the extension parts of the screed in order to pave large widths.
  • each of the aforementioned plank sections has its own gateway for the heating elements installed therein, or at least one has its own screed distributor, the respective heating elements installed in the screed sections can be monitored separately and/or controlled based on the respective heating states measured thereon.
  • the respective gateway or the respective screed distributor can be designed as an integral part of the screed, in particular of the respective screed sections.
  • Each screed section can be equipped with its own gateway or with its own screed distributor, which receives individual sensor readings, especially the temperature measurement signals from the respective heating elements, during operation of the road finisher as a central data receiver unit on the respective screed section and, if necessary, further processed for a specific one Function, in particular for the temperature-related error diagnosis function, passes on to the control device.
  • the respective gateways or screed distributors integrally installed in the screed thus form data receiver and data transmitter modules, which are connected upstream of the control device in order to pass on the measured temperature values received therein in possibly data-processed form for the aforementioned temperature-related error diagnosis function to the control device.
  • the temperature sensors are preferably designed to be integrated on the respective heating elements.
  • the respective heating element and the temperature sensor thus form a structural unit, as a result of which the heating element together with the temperature sensor can be easily installed and removed as a compact assembly. This offers considerable advantages, especially in the case of repair and/or service work.
  • the respective heating elements therefore have an input for the power supply and an output for the temperature measurement carried out thereon.
  • the respective heating elements can have a hot, cold and/or semiconductor temperature sensor, for example.
  • the respective heating elements can be designed as heating rods.
  • the temperature sensors can extend according to a geometry of the heating rods along heating coils provided therein.
  • all heating elements of the heating device have at least one temperature sensor formed integrally thereon. This makes it possible to carry out very precise temperature measurements on all heating elements installed within the screed. On the one hand, based on this, the function of the respective heating elements can be precisely diagnosed and, on the other hand, the respective heating elements can be controlled precisely.
  • the temperature sensors are each connected to the gateway or to the screed distributor by means of a plug connection.
  • this plug connection can be configured for tool-free assembly and disassembly, so that the respective heating elements can be individually connected and removed in a simple manner.
  • the respective temperature sensors are connected to the gateway via a common bus system or to the screed distributor.
  • This network could be connected to the gateway or to the screed distributor with a single plug connection. This would reduce the amount of cabling within the screed.
  • the gateway or the screed distributor of the respective screed sections is designed directly as a PLC gateway.
  • This offers improved application options for the screed, both in terms of design and function.
  • a structural design of the screed can be made more compact and/or the operating behavior of the screed can be better monitored and controlled.
  • the gateway or the screed distributor designed as a PLC gateway can modulate the temperature measurement signals received from the respective heating elements onto a connected power line, via which the modulated temperature measurement data can be transmitted to the control device.
  • the power line used for this purpose for data transport is formed at least from a section of a power supply line used for the power supply of the respective heating elements and/or the respective PLC gateway.
  • a variant of the invention provides that the respective PLC gateway is connected to the control device by means of a PLC line (supply line for power line communication).
  • a PLC line supply line for power line communication
  • a power supply line connected from the generator to the screed could be used as a PLC line, at least in sections.
  • a power supply line that supplies electric power to the respective heating elements can be used as the PLC line.
  • the PLC gateway can be connected directly to such a PLC line so that it functions as a current distributor in the direction of the heating elements and modulates temperature measurement data onto the PLC line in the direction of the control device as a PLC gateway.
  • the gateway can be connected to the control device by means of a separate data bus system.
  • the data bus system can be designed, for example, as a CAN bus or as an Ethernet connection.
  • the (PLC) gateway is configured as an Internet gateway, in addition to the transmission of temperature measurement data to the control device of the road finisher, at least temporarily during the paving operation of the road finisher, an additional temperature measurement data transfer to at least one external receiver connected via the Internet, for example a temperature measurement data transfer to a central construction site administration facility, a service center and/or to another construction site vehicle working together with the road finisher.
  • the (PLC) gateway prefferably be designed as a VPN gateway, so that the gateway designed in this way can be queried and/or controlled for malfunctions of the heating elements in a data-secure manner, in particular from outside the construction site, for example from a service center.
  • This can be a service center operated by the machine manufacturer, which can transmit service information for the respective screed section to the construction site operator on the basis of the VPN connection set up with the screed. This reduces machine downtimes on the construction site.
  • the (PLC) gateway is configured as a media gateway. Configured in this way, the gateway could further process the respective received temperature states of the heating elements, in particular critical temperature states measured thereon, into corresponding voice output signals, which are conveyed acoustically to an operator of the road finisher, in particular to an operator of an external control station of the screed, during the paving operation.
  • gateway and/or the screed distributor of the respective screed sections has a separate lamp for all the heating elements installed therein, designed to visually display the functionality of the respective heating elements.
  • control device is designed to identify a respective heating element type of the heating elements on the basis of respective temperature gradients detected by the temperature sensors formed on the heating elements, i.e. in view of a temperature profile detected therein within a predetermined time to determine a specific setpoint temperature value for the respective identified heating element types, based on which the temperature-based fault diagnosis function can be carried out.
  • the control device for carrying out the fault diagnosis function is designed to compare the respective target temperature values determined for the heating elements with the actual temperature values recorded thereon. If the recorded actual temperature of a heating element reaches or exceeds the setpoint temperature determined for this heating element, then the heating element is functioning properly. However, if the control device detects that the recorded actual temperature of the heating element falls below the target temperature determined for this purpose by a predetermined value, then the heating element may be defective. Such a malfunction can be indicated to an operator at the outside control station of the road finisher on a display provided there.
  • control device is designed to identify a screed part that has this type on the basis of at least one specific heating element type. For example, the type of extension part fitted for installation could be determined based on the identified heating element type.
  • control device is designed to determine a screed paving width on the basis of the specific heating element types, above all on the basis of the respective types of widening parts that are attached. The control device can use the screed paving width determined as described above for various control and/or regulation processes running on the road finisher.
  • a preferred embodiment provides that the gateway and/or the screed distributor is configured to supplement the actual temperature values of the heating elements detected by the respective temperature sensors with at least one piece of information regarding their measurement location and to send them as actual temperature location data forward control device. This makes it possible to clearly identify a defective heating element with regard to its installation location and to exchange it quickly, so that the paving operation of the road finisher can proceed without major interruptions.
  • Functionality of the respective heating elements is preferably displayed to an operator of the screed and/or a driver of the road finisher using a display device connected to the control device. In particular, this can be done visually and/or acoustically. It is conceivable that the functionality of the respective heating elements can be displayed on a portable display and/or computer unit, for example on a portable control unit of the external control station.
  • the screed has at least one smoothing plate, with the control device being configured to determine a target temperature value of the smoothing plate on the basis of a recorded actual temperature value supplied to it of the paving material used by the road finisher to produce a road surface and to compare this with a detected actual temperature of the smoothing plate in order to control a power supply of the one or more heating elements assigned to the smoothing plate based thereon.
  • the screed can have at least one temperature sensor that is directly connected to the screed distributor or to the gateway. It would be conceivable for the target temperature value of the smoothing plate to be set manually on the road finisher.
  • control device is configured to calculate, on the basis of a detected ambient temperature supplied to it, a heating-up time remaining to reach the set temperature value of the smoothing plate of the heating element or elements used to heat up the smoothing plate, possibly identified in advance via its temperature gradient to determine. Based on this, an optimal start time for the paving journey could be determined.
  • control device prefferably configured to check the functionality of the respective heating elements in that the actual temperature values recorded thereon reach the ambient temperature supplied to the control device within a predetermined period of time, for example within one minute, due to a predetermined power supply of the respective heating elements or exceed them by a predefined amount.
  • control device is designed to determine a type of heating element and/or a type of the associated screed section, for example the types of an enlargement part, based on a recorded time required to heat up a heating element to a specific temperature level.
  • a structural design of the screed, in particular a type of the respective screed sections used on it, can thus be determined indirectly via the individually detectable heating-up time of at least one heating element.
  • control device it is possible for the control device to be designed to determine a type of heating element and/or a type of the associated screed section, for example the types of an enlargement part, based on a detected operating temperature of a heating element that occurs after a predetermined heating-up time.
  • the control device is preferably designed to determine a screed paving width that can be set for the paving operation on the basis of an aforementioned determination of the type of the heating element and/or a determination of the type of the screed section.
  • the screed paving width determined by the control device on the basis of the temperature measurement carried out on the heating element is available as an input variable for at least one open-loop and/or closed-loop function of the paving screed of the road finisher.
  • a control variable and/or a control parameter for controlling the operation of a transverse material distribution device of the screed can be set dynamically.
  • the screed structure derived from the temperature measurement can thus be used to parameterize the control device, for example to control the material distribution in front of the screed.
  • control device is designed to determine a minimum temperature of the paving material stored within a bunker of the road finisher based on the typification of the heating elements and/or the screed sections derived from the heating-up period.
  • the minimum temperature could be displayed directly to the driver of the road finisher and/or transmitted from the control device of the road finisher to a mixing plant for producing the paving material made available to the road finisher.
  • information regarding the operation of the respective heating elements can be displayed by means of a display device arranged on the road finisher.
  • the display device can be designed as part of the control device, for example as a display on the driver's control panel and/or as a display on the outside control panel of the screed.
  • a display of the operating temperatures and/or the heating element diagnosis result on a smart device would also be conceivable. In the event that a defective heating element is detected, assembly and disassembly instructions that match this could be displayed by means of such display devices.
  • the invention also relates to a method for detecting a malfunction of at least one heating element installed inside a screed of a road finisher.
  • the malfunction is detected on the basis of an actual temperature value recorded directly on the heating element.
  • the actual temperature value of the heating element can be detected using a temperature sensor integrated therein and fed to a control device which, based on this, can very precisely determine a malfunction of the heating element, if present.
  • a variant provides that, depending on a temperature gradient detected on the heating element, i.e. a heating rate of the heating element, a heating element type of the heating element is identified and, with regard to the identified heating element type, a suitable target temperature value for the purpose of the malfunction diagnosis is determined for the heating element, with the detection of the Malfunction occurs based on a comparison of the target temperature value with the actual temperature value recorded directly on the heating element. If the recorded actual temperature of a heating element reaches or exceeds the setpoint temperature determined for this heating element, then the heating element is functioning correctly. However, if the control device detects that the recorded actual temperature of the heating element falls below the target temperature determined for this purpose by a predetermined value, then the heating element may be defective. Such a malfunction can be indicated to an operator at the outside control station of the road finisher on a display provided there.
  • the actual temperature value of the heating element or elements is preferably transmitted to a control device of the road finisher by means of a screed distributor and/or gateway connected to the temperature sensor.
  • the screed distributor and/or the gateway thus receives the respective heating states of the heating elements and forwards them to the control device, primarily for diagnostic purposes, possibly in data-processed form. Based on these temperature measurements, which are carried out directly in the heating elements, their function can be diagnosed more precisely.
  • the screed distributor and/or the gateway can supplement the actual temperature value of the heating element detected by the temperature sensor with information regarding its measurement location and forward it to the control device as the actual temperature location value. This makes it possible to clearly identify a possibly defective heating element with regard to its installation location within the screed.
  • the heating elements can each heat up to a sustained actual (end) temperature that is greater than a temperature of the installation material.
  • the control device expediently continuously compares the actual temperature values of the respective heating elements with the target temperature values determined for them. As long as the actual temperature of the respective heating elements is greater than or equal to the respective target temperature, the heating elements are working properly. However, as soon as the actual temperature of a heating element falls below the associated desired temperature value by a defined temperature value after a predetermined warm-up phase has elapsed, this heating element may be defective. This defect can be indicated to the operator by means of a display device. As an alternative or in addition to displaying a defective heating element using the display device, it is expedient for the control device to be configured to switch off the heating element detected as defective, ie to interrupt a power supply to this heating element, in order to avoid damaging the heating device.
  • the location of the heating element detected as defective is also displayed. This can be done by the screed distributor and/or the gateway forwarding the actual temperature value present for the malfunction, supplemented by its sender address, to the control device. From this, the control device can precisely identify the defective heating element.
  • a variant provides that a defective heating element is displayed by means of a status LED formed on the screed distributor and/or on the gateway.
  • control device could carry out a type determination of the heating element based on a heating rate of the heating element measured on the heating element and, if necessary, a type determination of the screed section based on this, depending on which the control device determines the paving width of the screed that is adjustable and/or currently set during paving operation definitely. Based on the ascertained paving width of the screed, further processes on the road finisher, in particular a lateral distribution of material in front of the paving screed, can be controlled and/or regulated.
  • figure 1 shows a road finisher 1, which produces a road surface 3 from a paving material 4 by means of a paving screed 5 on a substrate 2 in the paving travel direction R.
  • the road surface 3 has a screed installation width B transverse to the installation travel direction R that is produced according to the screed configuration.
  • the screed 5 is designed to compact the paving material 4 spread out in front of it.
  • the screed 5 has a screed plate 6 and a tamper 7 arranged in front of the screed plate 6 in the direction R of paving travel.
  • the road finisher 1 off figure 1 has a driver's control panel F for one driver.
  • a control device 8 is provided on the driver's control panel F.
  • the control device 8 is configured to control and/or monitor processes running on the road finisher 1 .
  • the control device 8 can be used to control the operation of the screed 5 and to monitor its functioning.
  • FIG. 1 shows figure 1 that on the screed 5 an external operator's station A is formed with a control device 8' formed thereon.
  • a screed operator at the outside control station A can use the control device 8 ′ to control and/or monitor the operation of the screed 5 .
  • the control device 8 installed on the driver's control station F and/or the control device 8' installed on the screed 5 at the external control station A can be designed as a display device D, D' in order to display the respective process states of the road finisher 1 to the driver and/or the screed operator.
  • figure 2 shows a schematic representation of a heating device 100 for the figure 1 road finisher 1 shown.
  • the heating device 100 is designed to heat the screed 5 .
  • figure 2 shows that the heating device 100 has a plurality of screed sections 10, 20, 30.
  • the plank section 10 may be a basic plank section.
  • the two screed sections 20, 30 can be extending screed parts fastened laterally to the screed section 10.
  • the structure of the heating device 100 shown could be further, in figure 2 screed sections not shown, for example screed widening parts, possibly in different widths and/or numbers, which are fastened laterally to the extending screed parts.
  • the screed section 10 has a plurality of heating elements 11, 12, 1n, each of which has a temperature sensor T built integrally thereon.
  • the temperature states of the respective heating elements 11, 12, 1n detected by means of the temperature sensors T can be forwarded to a gateway 15 in the screed section 10 using a signal line 14.
  • the gateway 15 is configured to convert the respective temperature states of the heating elements 11, 12, 1n into one for diagnostic purposes to bring edited data form. This data is passed on from the gateway 15 by means of a data line 16, for example a CAN bus system, to the control device 8, 8' for diagnostic purposes and possibly other control functions.
  • the control device 8 , 8 ′ is functionally connected to a generator 17 and can control its operation based on the data received from the gateway 15 .
  • the generator 17 is connected to the gateway 15 of the screed section 10 via a power supply line 18 .
  • the electrical power generated by the generator 17 can be distributed via the gateway 15 to the respective heating elements 11, 12, 1n of the screed section 10 in order to heat them individually.
  • the screed section 10 also has a temperature sensor 19 for detecting an actual temperature of the screed plate 6 of the screed 5 .
  • the temperature sensor 19 is connected to the gateway 15 .
  • the control device 8, 8' Based on a comparison of the recorded actual temperature of the screed plate 6 with a setpoint temperature value of the screed plate, which is determined, for example, based on the paving material temperature or which is set manually by the screed operator, the control device 8, 8' can control the power supply of the respective heating elements installed in the screed section 10 11, 12, 1n dynamically control.
  • the data line 16 and the power supply line 18 are shown as separate lines.
  • the data line 16 can be in the form of a CAN bus system.
  • the power supply line 18 is designed as a PLC line, with the gateway 15 being configured to modulate the respective actual temperature values of the heating elements 11, 12, 1n received from the screed section 10 from the temperature sensors T onto the power supply line 18 and to the control device 8, 8'.
  • plank sections 20, 30 of the heating device 100 have a structure comparable to that of the plank section 10.
  • the screed section 20 comprises at least three heating elements 21, 22, 2n, temperature sensors T installed on them and a gateway 25, which receives the respective temperature states of the heating elements 21, 22, 2n and forwards them to the control device 8, 8' for their functional diagnosis.
  • the screed section 30 comprises three heating elements 31, 32, 3n, temperature sensors T installed on them and a gateway 35, which receives the respective temperature states of the heating elements 31, 32, 3n and forwards them to the control device 8, 8' for their functional diagnosis.
  • each screed section 10, 20, 30, in particular each heating element 11, 12, 1n, 21, 22, 2n, 31, 32, 3n installed therein can be checked individually for its function, since all heating elements 11, 12, 1n, 21 , 22, 2n, 31, 32, 3n temperature states are recorded and passed on to the control device 8, 8′ for function control by means of the respective gateways 15, 25, 35, possibly in edited form.
  • a defective heating element 11, 12, 1n, 21, 22, 2n, 31, 32, 3n, including its installation location, can be indicated by means of the display device D, D'.
  • FIG. 1 also shows an ambient temperature sensor 40, which is designed to detect an ambient temperature in the area of the screed 5.
  • the ambient temperature sensor 40 is connected to the control device 8, 8'. Based on the ambient temperature detected by the ambient temperature sensor 40, the required heating-up time until the set temperature of the smoothing plate 6 is reached can be determined using the control device 8, 8' and, if necessary, displayed to the operator.
  • FIG. 2 Furthermore shows figure 2 a target temperature value S, which the control device 8, 8' determines for all heating elements 11, 12, 1n, 21, 22, 2n, 31, 32, 3n based on the heating rates measured thereon and in the functional diagnosis of the heating elements 11, 12, 1n , 21, 22, 2n, 31, 32, 3n.
  • figure 3 shows compared to figure 2 a slightly modified version.
  • figure 3 shows that the screed section 10 has a screed distributor 15', the screed section 20 has a screed distributor 25' and the screed section 30 has a screed distributor 35', the respective screed distributors 15', 25', 35' being connected by a gateway 50 shared by them with the Control device 8, 8 'are connected.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
  • Road Paving Structures (AREA)
EP21184236.4A 2021-07-07 2021-07-07 Strassenfertiger mit heizeinrichtung sowie verfahren Pending EP4116493A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP21184236.4A EP4116493A1 (de) 2021-07-07 2021-07-07 Strassenfertiger mit heizeinrichtung sowie verfahren
JP2022108301A JP2023010644A (ja) 2021-07-07 2022-07-05 加熱装置および加熱方法を含む道路仕上げ機
US17/810,940 US20230009241A1 (en) 2021-07-07 2022-07-06 Road finishing machine with a heating device and method
CN202210853118.3A CN115595854A (zh) 2021-07-07 2022-07-07 具有加热设备的道路整修机及方法
BR102022013514-2A BR102022013514A2 (pt) 2021-07-07 2022-07-07 Máquina de acabamento de rodovia com um dispositivo de aquecimento e método para detecção de mau funcionamento de elemento de aquecimento
CN202221855996.0U CN218492219U (zh) 2021-07-07 2022-07-07 具有加热设备的道路整修机

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EP21184236.4A EP4116493A1 (de) 2021-07-07 2021-07-07 Strassenfertiger mit heizeinrichtung sowie verfahren

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EP (1) EP4116493A1 (zh)
JP (1) JP2023010644A (zh)
CN (2) CN115595854A (zh)
BR (1) BR102022013514A2 (zh)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295990A2 (en) 2001-09-24 2003-03-26 Caterpillar Paving Products Inc. Heating control system for a screed
DE20305577U1 (de) * 2003-04-07 2004-08-19 Joseph Vögele AG Straßenfertiger
WO2014124545A1 (de) 2013-02-14 2014-08-21 Ammann Schweiz Ag Verfahren zum beheizen einer einbaubohle eines strassenfertigers
DE202015104723U1 (de) 2015-09-04 2015-09-18 Türk & Hillinger GmbH Elektrische Heizpatrone mit Temperaturüberwachung und elektrische Heizung mit Temperaturüberwachung
EP3051024A1 (de) * 2015-01-28 2016-08-03 Dynapac GmbH Verfahren zur überwachung einer bohlenheizung eines strassenfertigers
EP3075909A1 (de) * 2015-03-30 2016-10-05 Joseph Vögele AG Strassenbaumaschine mit netzwerk zur datenübertragung und verwendung eines teils einer stromleitung
DE102015012298A1 (de) 2015-09-23 2017-03-23 Abg Allgemeine Baumaschinen-Gesellschaft Mbh Verfahren zum Betrieb eines selbstfahrenden Straßenfertigers und Straßenfertiger hierfür
US20170287236A1 (en) * 2016-03-31 2017-10-05 Caterpillar Paving Products Inc. System and method for monitoring a condition of a paving machine
US20190136466A1 (en) * 2017-11-07 2019-05-09 Caterpillar Paving Products Inc. System for Heating a Paving Screed
EP3527721A1 (de) 2018-02-19 2019-08-21 Joseph Vögele AG Strassenfertiger mit leistungsanpassern für elektrische einbaubohlen- heizeinrichtungen

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1295990A2 (en) 2001-09-24 2003-03-26 Caterpillar Paving Products Inc. Heating control system for a screed
DE20305577U1 (de) * 2003-04-07 2004-08-19 Joseph Vögele AG Straßenfertiger
WO2014124545A1 (de) 2013-02-14 2014-08-21 Ammann Schweiz Ag Verfahren zum beheizen einer einbaubohle eines strassenfertigers
EP3051024A1 (de) * 2015-01-28 2016-08-03 Dynapac GmbH Verfahren zur überwachung einer bohlenheizung eines strassenfertigers
EP3075909A1 (de) * 2015-03-30 2016-10-05 Joseph Vögele AG Strassenbaumaschine mit netzwerk zur datenübertragung und verwendung eines teils einer stromleitung
DE202015104723U1 (de) 2015-09-04 2015-09-18 Türk & Hillinger GmbH Elektrische Heizpatrone mit Temperaturüberwachung und elektrische Heizung mit Temperaturüberwachung
DE102015012298A1 (de) 2015-09-23 2017-03-23 Abg Allgemeine Baumaschinen-Gesellschaft Mbh Verfahren zum Betrieb eines selbstfahrenden Straßenfertigers und Straßenfertiger hierfür
US20170287236A1 (en) * 2016-03-31 2017-10-05 Caterpillar Paving Products Inc. System and method for monitoring a condition of a paving machine
US20190136466A1 (en) * 2017-11-07 2019-05-09 Caterpillar Paving Products Inc. System for Heating a Paving Screed
EP3527721A1 (de) 2018-02-19 2019-08-21 Joseph Vögele AG Strassenfertiger mit leistungsanpassern für elektrische einbaubohlen- heizeinrichtungen

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US20230009241A1 (en) 2023-01-12
CN115595854A (zh) 2023-01-13
CN218492219U (zh) 2023-02-17
BR102022013514A2 (pt) 2023-03-07
JP2023010644A (ja) 2023-01-20

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