WO2009141176A1 - Système de chauffage mobile - Google Patents

Système de chauffage mobile Download PDF

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Publication number
WO2009141176A1
WO2009141176A1 PCT/EP2009/053172 EP2009053172W WO2009141176A1 WO 2009141176 A1 WO2009141176 A1 WO 2009141176A1 EP 2009053172 W EP2009053172 W EP 2009053172W WO 2009141176 A1 WO2009141176 A1 WO 2009141176A1
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WO
WIPO (PCT)
Prior art keywords
heaters
heating system
master
bus
slave
Prior art date
Application number
PCT/EP2009/053172
Other languages
German (de)
English (en)
Inventor
Uwe Lohs
Ivan Velev
Frank Faber
Original Assignee
Webasto 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 Webasto Ag filed Critical Webasto Ag
Publication of WO2009141176A1 publication Critical patent/WO2009141176A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2203—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners
    • B60H1/2206—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners controlling the operation of burners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00371—Air-conditioning arrangements specially adapted for particular vehicles for vehicles carrying large numbers of passengers, e.g. buses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/26—Details
    • F23N5/265—Details using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/06—Portable or mobile, e.g. collapsible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/42—Function generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00—Measuring
    • F23N2225/08—Measuring temperature
    • F23N2225/12—Measuring temperature room temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/02—Controlling two or more burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00—Controlling
    • F23N2237/04—Controlling at two or more different localities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2241/00—Applications
    • F23N2241/14—Vehicle heating, the heat being derived otherwise than from the propulsion plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/04—Gas or oil fired boiler
    • F24D2200/043—More than one gas or oil fired boiler

Definitions

  • the present invention relates to a mobile heating system with a plurality of fuel-operated heaters according to the preamble of claim 1 and a method for operating a mobile heating system comprising a plurality of fuel-operated heaters, according to the preamble of claim 11.
  • Fuel-fired heaters are usually designed for maximum heating power requirements. They can be designed, for example, for a maximum heat output of 2 kW, 4 kW, 6 kW or 10 kW as well as for a supply voltage of 12 V and / or 24 V. In the case of simple fuel-operated heaters, their heating power is adjustable only in two stages, in particular full load and off, or in three stages, in particular full load, a predetermined partial load (for example 50% of the maximum heating power) and off. In more complex fuel-fired heaters, their heating power is adjustable in a modulating operation, which means that the heating power is continuously controllable between a lower limit (e.g., 30% of the maximum heating power) up to the maximum heating power.
  • a lower limit e.g., 30% of the maximum heating power
  • Heating systems for mobile applications are used, inter alia, for the heating of interiors and semi-open spaces. If a single, fuel-operated heater is used for this purpose, the heating power is designed sufficiently for the maximum heating power requirement of the room to be heated, so is usually the lower limit of the heat output available comparatively high. As a result, the work area in which the respective heating power of the heater is continuously adjustable, relatively small. Further, in the use of a single heater is usually required that air guide parts are provided for a uniform distribution of heat within the room to be heated. In addition, it is problematic that no redundancy exists. For example, if a burner, a glow plug, etc.
  • the heater fails, this leads to total failure and it can (at least temporarily) no more heating power can be provided.
  • a number of fuel-operated heaters are sometimes used in parallel.
  • the individual heaters can be designed as standard heaters.
  • the maximum heating capacity of the heating system can be adapted to the respective requirements by selecting a suitable number of heating appliances.
  • the regulation of the heating power of the individual heaters is carried out independently of each other depending on the actual temperature and a predetermined target temperature. Depending on the design of the respective heaters, they are operated at one of the predetermined levels (see above) or in a modulating operation (heating power is continuously adjustable between the lower limit value and the maximum heating power).
  • the individual heaters must be operated intermittently at a low heat requirement. This is particularly the case when the heating power requirement is lower than a heating power supplied by all heaters of the mobile heating system in their respective lowest level or at their lower limit of the heat output. In an intermittent operation, the individual heaters are switched on and off alternately. Such switching on and off leads to temperature fluctuations in each room to be heated and thus to loss of comfort.
  • the document DE 10 2004 059 149 A1 describes a fuel-operated motor vehicle heater which has at least two burners.
  • these burners can be assigned a common control / regulating device by which a continuous adjustment of the heating power of the two burners can be carried out.
  • the use of such a common control / regulation device leads to increased costs and additional cabling. Occurs in the common control / regulation If a fault occurs, this usually leads to the failure of the entire vehicle heating system.
  • the object of the present invention is to provide a mobile heating system and a method for operating a mobile heating system, by which the heating power can be regulated in a wide range and which is easily adaptable to a respective required, maximum heating power.
  • the present invention relates to a mobile heating system comprising a plurality of fuel-operated heaters, which are in communication communication with each other via a bus system.
  • the heating system is configured such that when starting the heating system based on predetermined rules (or algorithms) of the heaters configured as a master with respect to the control of other, connected to the bus system heaters and the / the remaining (s) heater (e ) are each configured as slave (s).
  • the availability of the mobile heating system is increased due to the redundancy provided.
  • heating power can continue to be provided.
  • the master can generally continue to be used to control the slaves.
  • a control of the heating power of the heating system is made possible over a large area, wherein the individual heaters are operable in the region or in the vicinity of their optimum operating point.
  • one of the heaters configures itself as a master with regard to the activation of further heaters (slaves) connected to the bus system.
  • master-slave principle is understood in this context, a principle in which the master controls one or more slaves such that it determines their behavior (at least partially).
  • the master determines the behavior of the SIA at least with regard to the provision of heating power by the individual slaves.
  • the master can control individual slaves with low heating power requirement that they are completely switched off while one or more slave (s) are operated in the range of their optimum operating point. If the heating power requirement is high, the master can in turn drive additional slaves in such a way that they are switched on.
  • the assignment of "master” and "slave”, as indicated above, can, but need not, necessarily coincide with a bus master and a bus slave with respect to the bus system.
  • a “configuration as master” is in particular the recognition of the relevant heater, that it is to be configured as a master and the establishment of the relevant
  • a control of the further heaters connected to the bus system comprises in particular that the master determines the behavior of the slaves at least with regard to the provision of heating power. This can be done, for example, by transmitting a Walker elaboratesvorgabe to the slaves.
  • the control may also include other functions.
  • configuration as a slave is understood to mean, in particular, the recognition that the relevant heater is to be configured as a slave and the device of the relevant heater can be controlled such that it can be controlled by a master that further parameters which relate, for example, to settings of a burner of the heater are already preset.
  • one of the heaters By configuring one of the heaters as a master, a separate control device is not required. Preferably, such a separate control or control device is also not provided.
  • the automated configuration of the heaters as masters or slaves does not require the manual execution of such a configuration by a user.
  • a variable number of heaters can be combined in a kit-like manner without having to carry out a complex configuration of the heating system obtained by a user in each case.
  • a mobile heating system is understood in the present context to mean a heating system which is designed for use in mobile applications and adapted accordingly. This means in particular that it is transportable (possibly installed in a vehicle or housed only for transport therein) and not exclusively for a permanent, stationary use, as it is the case, for example, in the permanent installation of a building heating in a building designed.
  • the mobile heating system is in particular for heating a vehicle interior, such as a land, water or aircraft, as well as a partially open space, as he fen, for example, on ships, especially yachts, find, designed.
  • the mobile heating system can also be used temporarily stationary, such as in large tents, containers, such as construction containers, etc.
  • the mobile heating system is designed for a maximum heating power of 10 kW and more.
  • a processor unit such as a CPU (Central Processing Unit), etc.
  • CPU Central Processing Unit
  • a plurality of heaters in particular two or more heaters are understood. If the mobile heating system is formed by only two heaters, then only one heater is provided as a slave. In the following, this possibility is not explicitly referred to each time explicitly by the additional use of the singular form in relation to the slave heaters. As far as it makes sense technically, the singular form is included whenever the plural form is used in relation to the slaves.
  • the heating system is set up such that the remaining heaters configure themselves as slaves based on the predetermined rules.
  • the heaters are adapted to recognize based on the predetermined rules whether they are to be configured as slaves and that they themselves may configure themselves as slaves.
  • the configuration of the respective heaters is made as slaves wholly or partially by the respective master.
  • the predetermined rules are stored (or stored) in each of the heaters, so that the information on how to configure the heaters as master and as slaves is available in each heater.
  • all heaters connected to the bus system are identical in hardware and / or software.
  • One each the identical design of the software has the advantage that the heaters are identical and replaceable in terms of control and configuration characteristics. This allows a trouble-free combination of a variable number of heaters.
  • a structurally identical or identical design with respect to the hardware leads to a cost saving in the production costs.
  • a plurality of heaters are combined with each other, which are each designed for different maximum heat outputs, which are operable at different Schutschs- stages and / or the heating power is continuously adjustable in different areas. As a result, the operating points in which the mobile heating system is optimally operable, each desired profiles of preferred heating power ranges can be adjusted.
  • the heaters each have a software module, by which at least one, preferably all, the following functions are executable: function of the detection based on the predetermined rules, if the relevant heater is to be configured as a master or a slave and function of Implementation of a corresponding configuration; Function of assigning bus addresses to the slaves; Function of the operation of a bus interface of the relevant heater; and function of regulating the temperature of the room to be heated.
  • the provision of these functions as a software module has the advantage that this can also be provided as an update for existing heaters. As a result, existing heaters can be easily upgraded.
  • the individual heating devices each have an integrated heating unit, by means of which heat can be generated, in particular one or more integrated burners.
  • the heaters are each designed as air heaters according to an advantageous development. It can be provided that such an air heater not only for the heating of air but in addition also for heating another carrier medium, e.g. Water, glycol, oil or similar is used.
  • the heaters are spatially arranged at a distance from each other. As a result, a uniform heating of a room to be heated can be achieved.
  • At least one temperature sensor and / or one on-off unit of the mobile heating system is / are connected to one of the heaters, in particular to the master, via which settings can be made by the user regarding the mobile heating system ,
  • One or more of these external circuits is / are preferably connected to the master so that the relevant information is directly available to the master for its control and regulation tasks and does not first have to be transmitted via the bus system.
  • the at least one temperature sensor serves to detect an actual temperature of the room to be heated.
  • several temperature sensors can be provided in a distributed arrangement. For example, these temperature sensors can all be connected to the master or even to slaves which are arranged in spatial proximity to the respective temperature sensors.
  • one of the heaters forms a guide device, which is preferably turned on when heat demand, and the other heaters form followers that are switched depending on the heat demand in a predetermined order.
  • the guide device can be different from the master. It is preferably provided that the guiding device and / or the predetermined sequence of follower devices change. As a result, a uniform utilization of the individual heaters can be realized, whereby the maintenance intervals of the mobile heating system can be extended. A change, for example, depending on the operating time of the mobile heating system, from a time or other criteria, such as depending on certain operating conditions, an already provided amount of energy of the current management device, etc., take place. It is preferably provided that the position of the heaters as master and as slaves remains unchanged during operation.
  • the present invention further relates to a method of operating a mobile heating system comprising a plurality of fuel-powered heaters in communication with each other via a bus system.
  • a mobile heating system comprising a plurality of fuel-powered heaters in communication with each other via a bus system.
  • one of the heaters is configured as master with respect to the control of further heaters connected to the bus system and the remaining heater (s) are / are each configured as slave (s).
  • the advantages explained above with respect to the mobile heating system according to the invention are achieved.
  • the refinements explained with reference to the inventive, mobile heater can be implemented in a corresponding manner.
  • the refinements explained in relation to the method can likewise be implemented in a corresponding manner in the mobile heating system, in which case the mobile heating system, in particular control units or processor units in the respective heating appliances, are set up to carry out the corresponding steps.
  • the configuration of a heater as a slave comprises the assignment of a bus address to the slave, the assignment in particular comprising the following steps: assigning a provisional bus address by the slave based on predetermined rules; Log on the slave at the master at the provisional bus address; and assigning a final bus address by the master.
  • the system is reset and the assignment of a bus address to the individual slaves is restarted.
  • detection is carried out as to which of the heaters is to be configured as a master, as a function of an external circuit of the relevant heater.
  • This development forms a particularly simple realization of the predetermined rules for detecting which of the heaters is to be configured as a master and which as a slave.
  • the detection can be effected as a function of whether a temperature sensor and / or an operating unit via which settings relating to the mobile heating system can be made by the user are / is connected to the relevant heater.
  • the one heater to which a temperature sensor and / or an operating unit is connected configures itself as a master so that the information provided by the respective external circuit is directly available in the master.
  • recognition is made as to which slave the respective heater is to be configured in the heating system, depending on the sequence in which the individual heaters are switched on when starting the heating system (to the bus system).
  • which slave is meant in particular which bus address is assigned to the slave and / or which position the slave with respect to the assignment of a management device (ie first position) and subsequent devices (second or subsequent position) among the plurality of Accordingly, by appropriately selecting the order of connection, a user can easily determine which of the heaters will be configured as which slave.
  • the assignment of the master function and / or the specific slave function of a heater in the heating system by wiring of one or more electrical connections of a control unit of the heater is carried out with predetermined voltage potentials.
  • the assignment of the master function and / or the concrete slave function of a heater in the heating system is carried out by an external NEN intervention eg via a diagnostic or commissioning system.
  • one or more of the following messages are transmitted via the bus system, in particular during operation of the mobile heating system: a switch-on signal and a switch-off signal from the master to one or more slaves; a Walker elaboratesvorgabe from the master to one or more slaves; Set temperature and / or temperature actual values between the master and one or more slaves; Status information about a current operating state of the relevant heater, in particular a "ready to operate” status information, an "error” status information, and / or a status information as to whether the heater in question is heating (in particular)
  • a switch-on signal and a switch-off signal as well as a heating output specification can be used in particular in the context of From which heaters actual temperature values are transmitted depends in particular on which heaters temperature sensors are connected For example, a transmission of a corresponding desired temperature value to these heaters makes sense by automatically transmitting a temperature control to a specific temperature setpoint value s of the individual heaters and take this into account when carrying out their control and regulation tasks.
  • Fig.l shows a schematic representation of a mobile heater for explaining an embodiment of the invention.
  • Fig. 1 is a schematic representation of a mobile heating system 2 is shown. This has four directly fired, fuel-powered heaters 4, 6, 8, 10, which are interconnected via a bus 12.
  • the four heaters 4, 6, 8, 10 are identical in their hardware and software. In particular, each of the four heaters 4, 6, 8, 10 has a burner. As fuel, for example, diesel can be used. All four heaters 4, 6, 8, 10 are designed as air heaters, the heating power in each case in the range of substantially 1.5 kW to 5 kW is continuously adjustable.
  • the four heaters 4, 6, 8, 10 are arranged in spaced-apart arrangement in a room to be heated.
  • the bus 12 is formed in the present embodiment by a bus according to ISO9141.
  • a temperature sensor 20 through which an actual temperature of the room to be heated is detected in use, connected.
  • Each of the heaters 4, 6, 8, 10 has an activation input.
  • the heaters 4, 6, 8, 10 are basically configured such that they are switched on when an (electrical) potential is present at their switch-on input.
  • a turn-on input 14 of the first heater 4 is connected via a switch 16 with an electrical potential which is applied to a terminal 18.
  • the switch 16 forms an on and off unit of the first heater 4 and at the same time the mobile heating system 2.
  • the terminal 18 is connected for example to a voltage source.
  • the first heater 4 is turned on by manually operating the switch 16.
  • the switching on of the first heating device 4 can alternatively also be automated by applying an electrical potential to the switch-on input 14. Switching on and off of the further heaters 6, 8, 10 via corresponding turn-on signals, which are transmitted from the first heater 4 via the bus 12, which will be discussed below.
  • the switch 16 is integrated in an operating unit 17 of the mobile heating system 2.
  • the operating unit 17 of the mobile heating system 2 is connected to the first heater 4.
  • the operating unit 17 can be arranged separately from the heaters 4, 6, 8, 10, in particular spatially spaced from these.
  • the operation unit 17 has a potentiometer 22 for setting a target temperature by a user.
  • Each of the heaters 4, 6, 8, 10 has a (not shown) processor unit, through which in particular the subsequent steps of the configuration as a master or as a slave can be performed.
  • predetermined rules are stored in each of the heaters 4, 6, 8, 10, by means of which it is clearly established which of the heaters 4, 6, 8, 10 is to be configured as master and which of the heaters 4, 6 , 8, 10 are to be configured as slaves.
  • These rules are each implemented in a software module for master slave detection and configuration in the individual heaters.
  • the software module for master slave detection and configuration also provides the required functions for operating the bus interface of the respective heaters 4, 6, 8, 10 in the present exemplary embodiment. In the present embodiment, it is determined by the predetermined rules that the one heater is to be configured as a master to which a control unit 17 is connected. In the present embodiment, this is the first heater 4.
  • the first heater 4 detects this in that an operating unit 17 is connected and determines on the basis of the predetermined rules that it is to be configured as a master Accordingly, the first heating device 4 configures itself as a master, via the bus 12 a respective switch-on signal is sent to the remaining heating devices 6, 8, 10 transmitted.
  • the software module Upon receipt of the turn-on signal, the software module is also executed in the remaining heaters 6, 8, 10. It is detected by the other heaters 6, 8, 10, that in each case no control unit 17 is connected. Based on the predetermined rules, the remaining heaters 6, 8, 10 recognize that they are each to be configured as slaves. Accordingly, the remaining heaters 6, 8, 10 each configure as a slave.
  • a interception mechanism can be intercepted by the errors that make an unambiguous assignment of master and slaves impossible. For example, this interception mechanism will cause a fault issued to the user if two heaters each have a control unit is connected. In this case, the user must first remove one of the control units before the step of configuring the heaters as a master or slave is feasible.
  • the configuration as a slave also includes the assignment of a bus address to this slave.
  • This function is also provided by the software module according to the present embodiment.
  • each of the slaves 6, 8, 10 initially assigns a provisional bus address (or provisional identifier).
  • the tentative bus address in each of the slaves 6, 8, 10 is determined by a random number generator.
  • the slaves 6, 8, 10 report to the master 4 by means of a corresponding message, which is transmitted via the bus 12.
  • the slaves 6, 8, 10 then assigned a final bus address. This remains unchanged at least until the mobile heating system 2 is switched off.
  • the final bus address is communicated to the respective slaves 6, 8, 10 via the bus 12. If the master determines that two slaves have an identical provisional bus address when logging in the slaves under the provisional slave address, the system is reset and the assignment of bus addresses to the slaves is restarted.
  • the software module also provides the function of controlling the heating power of the mobile heating system 2 in the present exemplary embodiment. This function is performed by the master 4 in response to an actual temperature detected by the temperature sensor 20 and a target temperature set via the potentiometer 22 of the operation unit 17 by a user.
  • the heating capacity of the mobile heating system is continuously adjustable in a range from 1.5 kW (lower limit of the heating power of a heater) to 20 kW (all four heaters are operated at maximum heat output).
  • the control of the heating power of the mobile heating system 2 is carried out such that one of the heaters 4, 6, 8, 10 form a guide device and the other heaters each follower.
  • the guide device is preferably turned on when heat demand and the followers are switched depending on the heat demand in a predetermined order.
  • This functionality is implemented in the software module such that the management device and also change the sequence of follower devices over time. The change takes place in such a way that the most uniform possible utilization of all heaters 4, 6, 8, 10 is achieved.
  • a change of the guide device and the sequence of follower devices takes place regardless of the position of one of the heaters as the master and the remaining heaters as slaves.
  • the master 4 transmits via the bus 12 to the slaves 6, 8, 10 in addition to the above-explained switch-on, inter alia, heating power requirements to control a desired heat output of the mobile heating system 2. It is further provided that the individual slaves 6, 8, 10 each transmit status information with respect to their operating state to the master 4. In particular, such status information includes "ready to go" status information and "fault" status information By notifying a fault by a slave, the master 4 may respond appropriately Because of the redundancy provided, the master may, in particular, control (at least) another heater to do so In addition, the bus 12 can also be used to transmit further status information about the current operating state of the relevant slave, such as whether the slave is heating, for example.
  • the present invention is not limited to the embodiments shown in the figures.
  • different bus systems can be used.
  • a CAN bus system (CAN: Controller Area Network), a LIN bus system (LIN: Local Interconnect Network), a proprietary bus system, etc.
  • CAN Controller Area Network
  • LIN LIN: Local Interconnect Network
  • proprietary bus system etc.
  • the heaters can be connected in parallel or in series with respect to the heat dissipation.
  • a digital value can also be set via a corresponding setting device and transmitted digitally to the relevant heating device.
  • the predetermined rules by which the configuration of one of the heaters as the master and the remaining heaters are each configured as a slave may be formed by other rules instead of the described embodiments.
  • the temperature sensor 20 is connected to the same heater as the operating unit 17. If the temperature sensor is not connected to the master, the temperature actual value detected by the temperature sensor may optionally be transmitted via the bus to the master.
  • a plurality of temperature sensors are provided, which are each connected to different heaters. This can be useful in particular with a spaced arrangement of the individual heaters, so that detailed information about the temperature distribution within a room to be heated can be provided.
  • the master only transmits to the respective slaves a setpoint temperature value and the slaves themselves each control their heating power as a function of this temperature setpoint value and one of a temperature sensor (on the relevant heater is connected) carried out detected actual temperature value.

Abstract

La présente invention concerne un système de chauffage (2) mobile pourvu d'une pluralité d'appareils de chauffage (4, 6, 8, 10) à combustible, qui communiquent les uns avec les autres par l'intermédiaire d'un système de bus (12). Le système de chauffage (2) est conçu de sorte que, lors de la mise en marche du système de chauffage (2) sur la base de règles (ou d'algorithmes) prédéfinies, un des appareils de chauffage (4) se place en configuration maître par rapport à la commande d'autres appareils de chauffage (6, 8, 10) raccordés au système de bus (12) et l'appareil ou les appareils de chauffage (6, 8, 10) restants sont placés en configuration esclave.
PCT/EP2009/053172 2008-05-23 2009-03-18 Système de chauffage mobile WO2009141176A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008001942.9 2008-05-23
DE102008001942A DE102008001942B3 (de) 2008-05-23 2008-05-23 Mobiles Heizsystem

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WO2009141176A1 true WO2009141176A1 (fr) 2009-11-26

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RU2729846C1 (ru) * 2017-05-08 2020-08-12 Вебасто Се Система кондиционирования воздуха для транспортного средства, шлюз, способ установки параметра системы кондиционирования воздуха для транспортного средства и машиночитаемый носитель информации для реализации способа
CN110740887A (zh) * 2017-05-08 2020-01-31 韦巴斯托股份公司 用于车辆的空调系统，网关装置，用于设置空调装置的参数的方法以及用于实现该方法的计算机可读存储介质
CN110719854B (zh) * 2017-05-08 2024-03-08 韦巴斯托股份公司 用于调试空调系统的方法、计算机可读存储介质和空调系统
CN110719854A (zh) * 2017-05-08 2020-01-21 韦巴斯托股份公司 用于调试空调系统的方法、计算机可读存储介质和空调系统
WO2018206448A1 (fr) * 2017-05-08 2018-11-15 Webasto SE Système de climatisation pour véhicule, dispositif passerelle, procédé de réglage d'un paramètre d'un dispositif de climatisation et support d'enregistrement lisible par ordinateur pour la mise en œuvre du procédé

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