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WO2019068710A1 - Module de chauffage et dispositif de chauffage de fluides, et procédé pour assurer la commande d'un module de chauffage - Google Patents

Module de chauffage et dispositif de chauffage de fluides, et procédé pour assurer la commande d'un module de chauffage Download PDF

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Publication number
WO2019068710A1
WO2019068710A1 PCT/EP2018/076793 EP2018076793W WO2019068710A1 WO 2019068710 A1 WO2019068710 A1 WO 2019068710A1 EP 2018076793 W EP2018076793 W EP 2018076793W WO 2019068710 A1 WO2019068710 A1 WO 2019068710A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating
constant
heating module
heating element
power
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.)
Ceased
Application number
PCT/EP2018/076793
Other languages
German (de)
English (en)
Inventor
Alaa HARMOUCH
Sebastian Schöneich
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.)
DBK David and Baader GmbH
Original Assignee
DBK David and Baader GmbH
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 DBK David and Baader GmbH filed Critical DBK David and Baader GmbH
Publication of WO2019068710A1 publication Critical patent/WO2019068710A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0236—Industrial applications for vehicles
    • 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
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/37—Control of heat-generating means in heaters of electric 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
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/407—Control of fluid heaters characterised by the type of controllers using electrical switching, e.g. TRIAC
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
    • F24H15/421—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data

Definitions

  • the invention relates to an electric heating module according to the preamble of claim 1 and a running with such a heating module fluid heater and a method for its operation or control.
  • Such a heating module is shown, for example, in the documents DE 10 2016 102 705 A1 and DE 10 2016 109 039 A1, which are based on the applicant. A similar solution is also described in the document DE 10 201 1 002 144 A1.
  • a fluid heater is implemented with a heating module having a resistance heater, which is designed, for example, with a PTC heating element, a wire heating element or the like.
  • a resistance heater which is designed, for example, with a PTC heating element, a wire heating element or the like.
  • power electronics are provided in such solutions, which controls the heater clocked example of a pulse width modulation (PWM) to adjust the heating power or to avoid overheating the heater off.
  • PWM pulse width modulation
  • the invention has for its object to provide a heating module and running with such a heating module fluid heater, which can be used with high reliability in the high-voltage range. Furthermore, the invention is based on the object to provide a corresponding method.
  • the electric heating module according to the invention has at least one constant heating element, which is not modulated or operated in a clocked manner but at best can be switched on and off via a drive circuit.
  • This at least one constant heating element is assigned to a varioheating element which is designed with one or more power semiconductors and which is controlled to control the heating power via the drive circuit in linear operation.
  • a part, preferably the majority of the heating power is applied via the at least one constant heating element, which is operated as a function of the selected voltage with a relatively constant power.
  • the required adaptation or variation of the heating power of the heating module then takes place via the Varioheizelement, which supplements the heating power of the at least one constant heating element.
  • the Varioheizelement which supplements the heating power of the at least one constant heating element.
  • the Varioheizelement can be designed as a suitably controllable power semiconductor or as a controllable circuit of a plurality of elements, including power semiconductor.
  • the Varioheizelement is controlled in linear operation, so that an exact control of the heating power can be done depending on the operating conditions.
  • the aforementioned disadvantages, such as excessive EMC radiation or limitations in terms of realizable heating power are not present in the inventive solution.
  • the constant heating element and the Varioheizelement can be connected in series or parallel to each other and thereby form a hybrid heating element.
  • a plurality of such hybrid heating elements can be connected to increase the heating power of the heating module according to the invention.
  • the hybrid heating elements can be connected in series and / or in parallel.
  • the constant heating element in turn consist of a plurality of parallel and / or series-connected heating elements.
  • the construction of the heating module is particularly simple if the constant heating element is a resistance heating element, for example a wire resistor, a thick-film resistor or a PTC resistance element.
  • the constant heating element can of course consist of the mentioned plurality of resistance heating elements, for example wire wound resistors, thick film resistors or PTC resistance elements. It can be provided that the constant heating element or its aforementioned heating elements in each case a switch or a power semiconductor is assigned as a drive circuit for switching on and off.
  • the heating power of the electric heating module is preferably adjustable between 0 and 12 kW in the entire on-board voltage range used in automotive engineering.
  • the fluid heater according to the invention is designed with at least one such electrical heating module.
  • the inventive method for controlling a heating module is characterized by the combined circuit of the constant heating element and the Vanocoloriatas.
  • the constant heating element is controlled such that the heating power is below the target heat output.
  • the target heat output is achieved in that the Varioheizelement applies the difference between the constant heat output of the constant heating element and the target heating. Due to the combination of the constant heating element and the Vanoflowerides the heat output adds up both to the target heat output.
  • the method according to the invention can relate to a heating module with the features described above.
  • the heating power of the Vanoloomettis is minimized.
  • suitable dimensioning of the constant heating elements and a switching strategy, ie a suitable selection of the switching combination it is avoided that the Varioheizelement emits the highest heat output.
  • Figure 1 is a schematic diagram of the circuit of a heating module according to the invention of a first embodiment
  • Figure 2 is a schematic diagram of the circuit of a heating module according to the invention of a second embodiment
  • Figure 3 is a schematic diagram of the circuit of a heating module according to the invention of a third embodiment
  • Figure 4 is an electrical circuit diagram of a Va oloomiatas and the associated constant heating element of the heating module of Figure 3;
  • FIG. 5 characteristic curves of the heating module according to FIG. 4
  • Figures 6 and 7 further embodiments of an electric heating module according to the invention.
  • this electric heating module 1 shows a circuit diagram of a first embodiment of an electric heating module 1 is shown.
  • the power supply is via the high voltage UHV.
  • this electric heating module 1 has a plurality of hybrid heating elements 2, each consisting of a series connection of a constant heating element Ri ... R n and a Variocolorides R a ... Rz.
  • the hybrid heating elements 2 are connected in parallel to each other.
  • the constant heating elements Ri ... Rn are operated as a function of the applied voltage with a constant heating power.
  • the Variotropicetti R a ... Rz are designed as power semiconductors and are operated at a variable heat output.
  • this electric heating module 1 shows a circuit diagram of a second embodiment of an electric heating module 1 is shown. Also in this embodiment, the high voltage UHV is applied. Accordingly, this electric heating module 1 has a constant heating element Rk, which is connected in series with a Varioheizelement RVHE.
  • the constant heating element Rk consists in the illustrated embodiment of a plurality of parallel constant heating elements Ri ... R n , which in each case individually with the series-connected switches Si ... Sn are switchable.
  • the switches Si ... Sn are designed as power semiconductors.
  • the constant heating elements Ri ... Rn are operated as a function of the applied voltage UHV and of the switching state of the switches Si ... Sn with a constant heating power.
  • the Varioheizelement RVHE is designed as a suitably controllable power semiconductors or controllable circuit of several elements, including power semiconductor and is operated with variable heating power.
  • FIG. 3 shows a circuit diagram or switching topology of a third exemplary embodiment of a heating module 1 according to the invention.
  • the dimensioning or design of these constant heating elements Ri ... R n may vary depending on the mechanical structure of the heating module 1.
  • Parallel to the constant heating elements Ri ... R n with the associated switches Si. Sn is arranged a hybrid heating element 2, which in turn consists of the series connection of a constant heating element Rk and a Va ocreammaschines RVHE.
  • FIG 4 shows the hybrid heater 2 of Figure 3.
  • This consists of a constant heating element Rk and a Va oheizelement RVHE.
  • the Varioheizelement RVHE in turn consists of several semiconductors H1 to H3, which are connected in series.
  • the semiconductor H3, which allows a variable current flow depending on its control (current setpoint) is connected in series.
  • an I-controller is recommended, whereby it is preferred if its time constant is much larger than that of the subordinate voltage regulation (U1 and U2) in order to prevent a vibrating system.
  • FIG. 5 shows characteristic curves of a hybrid heating element 2 operated in this way from FIGS. 3 and 4.
  • powers P and voltages U in the constant heating resistor and in the variable heating resistor and the total power Psumme of the hybrid heating element 2 are plotted as a function of the preselected voltage UHV.
  • a sum power Psumme in the hybrid heating element 2 of 1000W is requested at different voltages.
  • a power Pk of about 606W is generated while in the variable heating resistor a power PVHE of about 394W is generated.
  • the voltage is divided accordingly to approx. 206V (at the constant heating resistance) and approx. 134V (at the variable heating resistance).
  • the resistances of the constant heating elements R1, R2, R3 are designed as 90 ⁇ , 125 ⁇ and 250 ⁇ and the constant resistance in the hybrid heating element 2 as 100 ⁇ .
  • the aim of the circuit is, inter alia, to avoid an inadmissibly high heating power of the Vario heating element RVHE ZU.
  • FIG. 6 shows a further exemplary embodiment.
  • each hybrid heating element 2 is designed in parallel, wherein in each case a constant heating element R1 ... R n is arranged parallel to a Varioheizelement R a ... Rz.
  • R1 ... R n is arranged parallel to a Varioheizelement R a ... Rz.
  • FIG. 7 shows a variant in which the two concepts according to FIGS. 1 and 6 are combined. That is, the hybrid heating elements 2 of
  • Heating module 1 are connected in parallel and / or in series. Even with such a circuit, each of these constant heating elements Ri ... R n can be assigned an on / off switch.
  • each resistance heating element - as shown in Figure 7 - in turn consist of a plurality of in series and / or parallel resistance heating elements R1 / 1 ... Ri / n .
  • each of these resistance heating elements R1 / 1 ... Ri / n is in turn assigned a power semiconductor element R a / i ... Rz / i, which in this case, however, preferably as a switch for activating or deactivating the associated resistance heating element R1 / 1 ... Ri / n is provided.
  • the heating module 1 is designed so that the majority, for example, between 70% and 90% of the total heating power PGes. is applied by the constant heating elements Ri ... R n and Rk and the rest of the Va ocreamele- element RVHE, SO that this can be designed as described with reference to Figures 3 to 5 for comparatively low heating PVHE.
  • an electric heating module with a hybrid heating element consisting of at least one constant heating element and a Varioheizelement which is formed with power semiconductors and operates in linear operation. LIST OF REFERENCE NUMBERS

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Resistance Heating (AREA)

Abstract

L'invention concerne un module de chauffage électrique doté d'un élément chauffant hybride, se composant d'au moins un élément chauffant constant et d'un élément chauffant variable, ledit module de chauffage se composant d'un semi-conducteur de puissance et fonctionnant en mode linéaire.
PCT/EP2018/076793 2017-10-06 2018-10-02 Module de chauffage et dispositif de chauffage de fluides, et procédé pour assurer la commande d'un module de chauffage Ceased WO2019068710A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017123304.0 2017-10-06
DE102017123304 2017-10-06

Publications (1)

Publication Number Publication Date
WO2019068710A1 true WO2019068710A1 (fr) 2019-04-11

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PCT/EP2018/076793 Ceased WO2019068710A1 (fr) 2017-10-06 2018-10-02 Module de chauffage et dispositif de chauffage de fluides, et procédé pour assurer la commande d'un module de chauffage

Country Status (1)

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WO (1) WO2019068710A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022166161A1 (fr) * 2021-02-08 2022-08-11 Zhenjiang Helmholtz Heat Transfer Trans System Co., Ltd. Véhicule électrique, et système de commande et dispositif de chauffage électrique associés
CN118010182A (zh) * 2024-02-02 2024-05-10 致瞻科技(上海)有限公司 膜电阻的温度监测方法及装置、过热保护方法和保护装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103219A (ja) * 1981-12-15 1983-06-20 Toshiba Corp 可変線形抵抗
DE19733045C1 (de) 1997-07-31 1998-07-30 Fahrzeugklimaregelung Gmbh Elektrische Heizung für ein Kraftfahrzeug
DE19728589C1 (de) 1997-07-04 1998-11-05 Audi Ag Elektrische Zusatzheizung für Kraftfahrzeuge
EP1542504A1 (fr) * 2003-12-12 2005-06-15 Behr France S.A.R.L. Dispositif de chauffage électrique pour un véhicule
EP1630013A1 (fr) * 2004-08-31 2006-03-01 Catem GmbH & Co. KG Chauffage électrique supplémentaire pour véhicules avec une sécurité de courant
DE102011002144A1 (de) 2011-02-25 2012-08-30 Dbk David + Baader Gmbh Verfahren zum Ansteuern eines elektrischen Heizers und elektrischer Heizer
DE102015106552A1 (de) 2015-04-28 2016-11-03 Infineon Technologies Ag Elektronisches Modul mit Fluid-Kühlkanal und Verfahren zum Herstellen desselben
DE102016109039A1 (de) 2016-02-17 2017-08-17 Dbk David + Baader Gmbh Elektrische Vorrichtung, insbesondere Heizer, sowie Vorrichtung und Verfahren zur Ansteuerung einer elektrischen Vorrichtung
DE102016102705A1 (de) 2016-02-16 2017-08-17 Dbk David + Baader Gmbh Elektrische Vorrichtung, insbesondere Heizer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103219A (ja) * 1981-12-15 1983-06-20 Toshiba Corp 可変線形抵抗
DE19728589C1 (de) 1997-07-04 1998-11-05 Audi Ag Elektrische Zusatzheizung für Kraftfahrzeuge
DE19733045C1 (de) 1997-07-31 1998-07-30 Fahrzeugklimaregelung Gmbh Elektrische Heizung für ein Kraftfahrzeug
EP1542504A1 (fr) * 2003-12-12 2005-06-15 Behr France S.A.R.L. Dispositif de chauffage électrique pour un véhicule
EP1630013A1 (fr) * 2004-08-31 2006-03-01 Catem GmbH & Co. KG Chauffage électrique supplémentaire pour véhicules avec une sécurité de courant
DE102011002144A1 (de) 2011-02-25 2012-08-30 Dbk David + Baader Gmbh Verfahren zum Ansteuern eines elektrischen Heizers und elektrischer Heizer
DE102015106552A1 (de) 2015-04-28 2016-11-03 Infineon Technologies Ag Elektronisches Modul mit Fluid-Kühlkanal und Verfahren zum Herstellen desselben
DE102016102705A1 (de) 2016-02-16 2017-08-17 Dbk David + Baader Gmbh Elektrische Vorrichtung, insbesondere Heizer
DE102016109039A1 (de) 2016-02-17 2017-08-17 Dbk David + Baader Gmbh Elektrische Vorrichtung, insbesondere Heizer, sowie Vorrichtung und Verfahren zur Ansteuerung einer elektrischen Vorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022166161A1 (fr) * 2021-02-08 2022-08-11 Zhenjiang Helmholtz Heat Transfer Trans System Co., Ltd. Véhicule électrique, et système de commande et dispositif de chauffage électrique associés
CN118010182A (zh) * 2024-02-02 2024-05-10 致瞻科技(上海)有限公司 膜电阻的温度监测方法及装置、过热保护方法和保护装置

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