EP3096587B1 - Electric heating device - Google Patents
Electric heating device Download PDFInfo
- Publication number
- EP3096587B1 EP3096587B1 EP15168434.7A EP15168434A EP3096587B1 EP 3096587 B1 EP3096587 B1 EP 3096587B1 EP 15168434 A EP15168434 A EP 15168434A EP 3096587 B1 EP3096587 B1 EP 3096587B1
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- EP
- European Patent Office
- Prior art keywords
- circuit board
- plug
- electric heating
- board section
- heating device
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- 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.)
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- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
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- 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
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0429—For vehicles
- F24H3/0441—Interfaces between the electrodes of a resistive heating element and the power supply means
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- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/022—Heaters specially adapted for heating gaseous material
- H05B2203/023—Heaters of the type used for electrically heating the air blown in a vehicle compartment by the vehicle heating system
Definitions
- the invention relates to an electric heater according to the preamble of claim 1. Furthermore, the invention relates to a heating or air conditioning system with such a heater.
- the waste heat of the motor vehicle engine is usually used for the heating of the vehicle interior of a motor vehicle. This waste heat arises after the vehicle engine is turned on. In a sufficient amount for the desired heat output, however, the waste heat can usually be provided only after a certain warm-up time. In addition, in modern, low-consumption motor vehicle engines, a comparatively small amount of waste heat is created. In motor vehicles with an electric motor as a drive motor, this heat source completely falls away or is considerably reduced, because the electric motor hardly generates waste heat in comparison to an internal combustion engine. It is therefore customary, especially in cold weather conditions, to use electric heaters or additional electric heaters.
- EP 0 901 311 A2 discloses in this regard an electric heating device for motor vehicles with a plurality of block-like composite heating elements.
- the individual heating elements are held together by a frame.
- a control unit for electronic control of the heating power is integrated, so that the heating elements and the control unit form a common structural unit.
- heat sinks are provided for the cooling of the control unit, which protrude into the air stream to be heated.
- additional components are used to cool the control unit, which increases the cost and complicates the assembly.
- a heater of the type described in the preamble of claim 1 is known from EP 2 863 143 A1 known.
- An embodiment of the invention relates to an electrical heating device, in particular for a motor vehicle, comprising at least one heating element and at least one control device having a housing, with at least one printed circuit board, with a first printed circuit board section and a second printed circuit board section, and with at least one first plug-in device and with at least one second plug-in device, wherein the two plug-in devices serve for connecting the at least one heating element to the control device.
- the housing partially accommodates the at least one printed circuit board, wherein the first printed circuit board section is arranged in the housing and the second printed circuit board section projects out of the housing and the at least one first plug-in device is connected to the second printed circuit board section and the at least one second plug-in device is connected to the heating element ,
- a printed circuit board section and / or plug-in devices arranged on a printed circuit board section and / or adjacent to a printed circuit board section protrude from the housing, permits energy-saving cooling of electrical components.
- expensive cabling which otherwise require further material and additional space omitted.
- the at least one first plug-in device and the at least one second plug-in device are designed to be complementary to one another and / or detachably connectable to one another.
- An additional embodiment of the electric heating device provides that the at least one first plug-in device is soldered or crimped to the second printed circuit board section. This allows a simple and uncomplicated connection of important components of the electric heater, resulting in advantages for the installation and maintenance of the electric heater.
- the first printed circuit board section has a part which is essentially watertight.
- the first printed circuit board section has a part which is essentially watertight.
- the at least one heating element has a number of positive-temperature-coefficient elements. These components of the electric heating device, also referred to as PTC elements, ensure that a comfortable temperature for vehicle occupants is quickly established in the vehicle interior and, in particular, the windscreen is free from moisture fogging.
- the at least one heating element is formed substantially block-like and has a number of continuous, mutually parallel openings as air channels.
- the openings advantageously allow the promotion of an air flow through the heating element. The air flow heats up and, as soon as it is directed into the vehicle interior, rapidly generates the room temperature desired there by the vehicle occupants.
- a particularly advantageous embodiment of the electric heating device provides that the at least one heating element has at least one heat-dissipating surface, with a number of heat-conducting fins, which increase the at least one heat-dissipating surface. Due to the surface-enlarging effect of the heat-conducting ribs, the heat transfer from the at least one heating element to the air flow conveyed through the openings arranged on the heating element is still considerably improved.
- the at least one control device in the region of the printed circuit board has at least one connection for a power supply and / or at least one Connection for a control logic on. This allows the heater to connect in a structurally simple manner to the on-board power supply system of a motor vehicle and / or integrate it into the on-board electronics of a motor vehicle.
- the at least one control device has at least one power transistor, in particular a metal-oxide-semiconductor field-effect transistor (MOSFET).
- MOSFET metal-oxide-semiconductor field-effect transistor
- An advantageous embodiment of the heating and / or air conditioning, in particular for a motor vehicle, with an air duct provides that in the air duct designed according to the above description electric heating device is arranged.
- the second printed circuit board section and / or the at least one first plug-in device and the at least one second plug-in device are or are arranged in the air duct.
- the second printed circuit board section and / or the at least one first plug-in device and the at least one second plug-in device are or are arranged in an air flow to be heated in the air duct.
- a heating or air conditioning system is created, which also produces a very good heating performance in motor vehicles with modern, consumption-optimized and only slightly waste heat producing engines and in motor vehicles with electric motors.
- sensitive to be cooled components of the electric heater are cooled in energy, material and space-saving manner.
- FIG. 1 shows a schematic view of an embodiment of an electric heater 1.
- the viewing direction of the view is carried out vertically to a arranged in the electric heater 1 circuit board 4th
- the electric heater 1 is arranged in a heating system, not shown, of a motor vehicle.
- the electric heating device 1 is arranged in an air conditioning system of a motor vehicle.
- the electric heater 1 has a housing 2 and at least one printed circuit board 4.
- the at least one printed circuit board 4 may have a rigid structure or else a flexible structure.
- the at least one printed circuit board 4 may be a single-layer printed circuit board 4, a two-layer printed circuit board 4 or a multilayer printed circuit board 4.
- the printed circuit board 4 has a first printed circuit board section 5 and a second printed circuit board section 6 arranged adjacent to the first printed circuit board section 5.
- connection 13 for the electrical power supply of the electric heating device 1 is arranged in the region of the first printed circuit board section 5.
- the electric heater 1 can be connected to an unillustrated on-board power supply system of a motor vehicle.
- connection 14 for an electronic connection of the electric heating device 1 is arranged with a control logic, not shown.
- the electric heating device 1 can be activated, for example, via an on-board computer arranged in the motor vehicle.
- the connection can be made for example via a data bus, such as via a CAN bus or a LIN bus.
- the terminal 13 and / or the terminal 14 are outside the first printed circuit board section 5 arranged.
- the electric heater 1 may have more than one terminal 13 and / or more than one terminal 14.
- the control of the heating power of the electric heater can be done via data bus or via another signal, such as an ON / OFF signal, in particular from 0 to 12V or via a PWM signal.
- the electrical heating device 1 has a control device 3 which has three electronic power transistors 19 in the region of the first printed circuit board section 5.
- the electrical heating device 1 or the control device 3 has one, two, four, five, six or a plurality of such power transistors 19 in order to be able to control the current flow of the PTC elements 10 of the heating device 1.
- the at least one power transistor 19 may be formed, for example, as a metal-oxide-semiconductor field-effect transistor.
- the first circuit board section 5 has a substantially watertight closed part 17.
- the substantially watertight closed part 17 for example, a plastic sheath, not shown, which is advantageously arranged in the housing (2) or by the housing (2) itself may be formed.
- the electric heater 1 has five first connectors 7 and five second connectors 8.
- the electric heater has one, two, three, four, six, seven, eight, nine, ten, or a plurality of first connectors 7 and second connectors 8.
- the plug devices 7 are advantageous on the Soldered PCB.
- male plugs 8 may be inserted, which are connected to the heating element or integrally formed therewith.
- the plug-in devices 8 may be designed as female plug-in devices and the plug-in devices 7 correspondingly as male plug devices.
- the at least one first plug-in device 7 and the at least one second plug-in device 8 are formed, for example, complementary to one another and in particular can be detachably or non-detachably connected to one another.
- the heating element 9 can be connected to the control device 3.
- the at least one first plug-in device 7 is in the in the Figures 1 and 2 illustrated embodiment connected to the at least one circuit board 4.
- the at least one first plug-in device 7 is arranged in the region of the second printed circuit board section 6 and connected thereto.
- the at least one second plug-in device 8 is in the in the Figures 1 and 2 illustrated embodiment with at least one heating element 9 connected.
- the at least one heating element 9 has in the in FIG. 1 illustrated embodiment on a rectangular and substantially block-like structure.
- the block-type structure has a series of substantially strip-shaped PTC elements 10, which are arranged, for example, between contact plates 20 and heat-conducting ribs 12.
- the heat conducting ribs 12 enlarge a surface of the heating element 9, not shown, and thereby improve the heat transfer to the air flowing through.
- the arranged between the PTC elements 10 and the heat conducting ribs 12 contact plates 20 are electrically conductively and thermally conductively connected to the PTC elements 10 and optionally with the heat conducting ribs 12.
- the at least one block-shaped heating element 9 can also be arranged in a particular rectangular frame beyond.
- the at least one heating element 9 has, for example, openings 11 arranged parallel to one another as integrated air ducts.
- the openings 11 are arranged in this embodiment substantially in an air flow direction 16 in an air duct 15.
- the air duct 15 is arranged for example within the heating or air conditioning, not shown.
- FIG. 2 shows a schematic side view of an electric heater 1 according to FIG. 1 ,
- an air flow in particular in the air flow direction 16 is conveyed by way of example.
- the air flow flows through the openings 11 arranged in parallel, while it is heated in particular by the heat-conducting ribs 12 and the PTC elements 10.
- the heat-conducting fins 12 and the PTC elements 10 are cooled by the air flow 21.
- the in the Figures 1 and 2 illustrated air duct 15 has an air duct wall 18. Through the one air duct wall 18, the second printed circuit board section 6 projects into the area of the air duct 15. In the process, the second printed circuit board section 6 heats the air flow 21 or the air flow 21 cools the second printed circuit board section 6.
- the at least one first plug-in device 7 is arranged in the region of the second printed circuit board section 6.
- the at least one first plug-in device 7 is connected to the at least one second plug-in device 8.
- the at least one first Plug-in device 7 and the at least one second plug-in device 8 arranged in the region of the air flow 21.
- the at least one first plug-in device 7 and the at least one second plug-in device 8 heat the air flow. At the same time, the at least one first plug-in device 7 and the at least one second plug-in device 8 are cooled by the air flow. As a result, the second printed circuit board section 6 is also cooled and / or serves to conduct heat from the power transistors 19 of the control device 3 to the first plug-in device 7, thereby also cooling the control device 3 or cooling its power transistors 19.
- the first circuit board portion 5 is arranged in particular in the housing 2.
- the second circuit board section 6 projects out of the housing 2.
- a part of the printed circuit board 4 projects out of the housing, which is larger or smaller than the second printed circuit board section 6.
- a the air duct 15 facing part of the housing 2 in the region of the air duct wall 18 is arranged.
- a part of the housing 2 projects into the region of the air channel 15.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
Die Erfindung betrifft eine elektrische Heizvorrichtung gemäß dem Oberbegriff von Anspruch 1. Darüber hinaus betrifft die Erfindung eine Heiz- oder Klimaanlage mit einer solchen Heizvorrichtung.The invention relates to an electric heater according to the preamble of
Für die Beheizung des Fahrzeuginnenraums eines Kraftfahrzeugs wird üblicherweise die Abwärme des Kraftfahrzeugmotors verwendet. Diese Abwärme entsteht, nachdem der Kraftfahrzeugmotor eingeschaltet ist. In einem für die gewünschte Heizleistung ausreichenden Maß kann die Abwärme in der Regel jedoch erst nach einer gewissen Warmlaufzeit bereitgestellt werden. Hinzu kommt, dass bei neueren, verbrauchsärmeren Kraftfahrzeugmotoren ein vergleichsweise geringes Maß an Abwärme entsteht. Bei Kraftfahrzeugen mit einem Elektromotor als Antriebsmotor fällt diese Wärmequelle vollständig weg bzw. ist erheblich reduziert, weil der Elektromotor im Vergleich zu einem Verbrennungsmotor kaum Abwärme erzeugt. Daher ist es üblich, vor allem bei kalten Witterungsbedingungen, elektrische Heizvorrichtungen bzw. elektrische Zusatzheizvorrichtungen einzusetzen.For the heating of the vehicle interior of a motor vehicle, the waste heat of the motor vehicle engine is usually used. This waste heat arises after the vehicle engine is turned on. In a sufficient amount for the desired heat output, however, the waste heat can usually be provided only after a certain warm-up time. In addition, in modern, low-consumption motor vehicle engines, a comparatively small amount of waste heat is created. In motor vehicles with an electric motor as a drive motor, this heat source completely falls away or is considerably reduced, because the electric motor hardly generates waste heat in comparison to an internal combustion engine. It is therefore customary, especially in cold weather conditions, to use electric heaters or additional electric heaters.
Eine Heizvorrichtung der im Oberbegriff des Patentanspruchs 1 beschriebenen Art ist aus der
Ausgehend von diesem Stand der Technik ist es die Aufgabe der Erfindung, eine weiter verbesserte elektrische Heizvorrichtung bereitzustellen, die insbesondere energie-, material- und bauraumsparend ausgebildet ist und dennoch eine ausreichende Kühlung elektronischer Komponenten der elektrischen Heizvorrichtung ermöglicht.Based on this prior art, it is the object of the invention to provide a further improved electrical heating device, which is designed in particular energy, material and space saving and still allows sufficient cooling of electronic components of the electric heater.
Darüber hinaus ist es die Aufgabe der Erfindung, eine Heizungs- und/oder Klimaanlage zu schaffen, in welcher eine solche elektrische Heizvorrichtung einsetzbar ist.Moreover, it is the object of the invention to provide a heating and / or air conditioning in which such an electric heater can be used.
Die Aufgabe zur elektrischen Heizvorrichtung wird mit den Merkmalen von Anspruch 1 gelöst.The object of the electric heater is achieved with the features of
Ein Ausführungsbeispiel der Erfindung betrifft eine elektrische Heizvorrichtung, insbesondere für ein Kraftfahrzeug, mit zumindest einem Heizelement und mit zumindest einer Steuervorrichtung mit einem Gehäuse, mit zumindest einer Leiterplatte, mit einem ersten Leiterplattenabschnitt und einem zweiten Leiterplattenabschnitt, und mit zumindest einer ersten Steckvorrichtung und mit zumindest einer zweiten Steckvorrichtung, wobei die beiden Steckvorrichtungen zum Verbinden des zumindest einen Heizelements mit der Steuervorrichtung dienen. Das Gehäuse nimmt die zumindest eine Leiterplatte teilweise auf, wobei der erste Leiterplattenabschnitt in dem Gehäuse angeordnet ist und der zweite Leiterplattenabschnitt aus dem Gehäuse herausragt und die zumindest eine erste Steckvorrichtung mit dem zweiten Leiterplattenabschnitt verbunden ist und die zumindest eine zweite Steckvorrichtung mit dem Heizelement verbunden ist. Eine solche Bauform, bei der ein Leiterplattenabschnitt und/oder auf einem Leiterplattenabschnitt und/oder benachbart zu einem Leiterplattenabschnitt angeordnete Steckvorrichtungen aus dem Gehäuse herausragen, erlaubt eine energiesparende Kühlung elektrischer Komponenten. Außerdem entfallen aufwendige Verkabelungen, die andernfalls weiteres Material sowie zusätzlichen Bauraum beanspruchen.An embodiment of the invention relates to an electrical heating device, in particular for a motor vehicle, comprising at least one heating element and at least one control device having a housing, with at least one printed circuit board, with a first printed circuit board section and a second printed circuit board section, and with at least one first plug-in device and with at least one second plug-in device, wherein the two plug-in devices serve for connecting the at least one heating element to the control device. The housing partially accommodates the at least one printed circuit board, wherein the first printed circuit board section is arranged in the housing and the second printed circuit board section projects out of the housing and the at least one first plug-in device is connected to the second printed circuit board section and the at least one second plug-in device is connected to the heating element , Such a design, in which a printed circuit board section and / or plug-in devices arranged on a printed circuit board section and / or adjacent to a printed circuit board section protrude from the housing, permits energy-saving cooling of electrical components. In addition, expensive cabling, which otherwise require further material and additional space omitted.
In einem weiteren Ausführungsbeispiel der elektrischen Heizvorrichtung sind die zumindest eine erste Steckvorrichtung und die zumindest eine zweite Steckvorrichtung komplementär zueinander ausgebildet und/oder lösbar miteinander verbindbar.In a further exemplary embodiment of the electrical heating device, the at least one first plug-in device and the at least one second plug-in device are designed to be complementary to one another and / or detachably connectable to one another.
Eine zusätzliche Ausführungsform der elektrischen Heizvorrichtung sieht vor, dass die zumindest eine erste Steckvorrichtung mit dem zweiten Leiterplattenabschnitt verlötet oder vercrimpt ist. Dies ermöglicht eine einfache und unkomplizierte Verbindung wichtiger Komponenten der elektrischen Heizvorrichtung, woraus sich Vorteile für die Montage und die Wartung der elektrischen Heizvorrichtung ergeben.An additional embodiment of the electric heating device provides that the at least one first plug-in device is soldered or crimped to the second printed circuit board section. This allows a simple and uncomplicated connection of important components of the electric heater, resulting in advantages for the installation and maintenance of the electric heater.
In einem weiteren Ausführungsbeispiel der elektrischen Heizvorrichtung weist der erste Leiterplattenabschnitt einen Teil auf, welcher im Wesentlichen wasserdicht abgeschlossen ist. Dadurch sind besonders wasserempfindliche Komponenten der elektrischen Heizvorrichtung vor Wasser geschützt. In vorteilhafter Weise wird damit die Lebensdauer der elektrischen Heizvorrichtung verlängert und ihre Störungsanfälligkeit deutlich reduziert.In a further exemplary embodiment of the electrical heating device, the first printed circuit board section has a part which is essentially watertight. As a result, particularly water-sensitive components of the electric heater are protected from water. In Advantageously, thus extending the life of the electric heater and their susceptibility to interference significantly reduced.
In einem zusätzlichen Ausführungsbeispiel der elektrischen Heizvorrichtung weist das zumindest eine Heizelement eine Anzahl von Positive-Temperature-Coefficient-Elementen auf. Diese auch als PTC-Elemente bezeichneten Komponenten der elektrischen Heizvorrichtung gewährleisten, dass sich im Fahrzeuginnenraum rasch eine für Fahrzeuginsassen komfortable Temperatur einstellt und insbesondere die Windschutzscheibe frei von Feuchtigkeitsbeschlag ist.In an additional embodiment of the electrical heating device, the at least one heating element has a number of positive-temperature-coefficient elements. These components of the electric heating device, also referred to as PTC elements, ensure that a comfortable temperature for vehicle occupants is quickly established in the vehicle interior and, in particular, the windscreen is free from moisture fogging.
Bei einer weiteren Ausführungsform der elektrischen Heizvorrichtung ist das zumindest eine Heizelement im Wesentlichen blockartig ausgebildet und weist eine Anzahl von durchgehenden, parallel zueinander angeordneten Öffnungen als Luftkanäle auf. Die Öffnungen erlauben in vorteilhafter Weise die Förderung eines Luftstroms durch das Heizelement. Dabei erwärmt sich der Luftstrom und erzeugt, sobald er in den Fahrzeuginnenraum geleitet wird, rasch die dort von den Fahrzeuginsassen gewünschte Raumtemperatur.In a further embodiment of the electric heating device, the at least one heating element is formed substantially block-like and has a number of continuous, mutually parallel openings as air channels. The openings advantageously allow the promotion of an air flow through the heating element. The air flow heats up and, as soon as it is directed into the vehicle interior, rapidly generates the room temperature desired there by the vehicle occupants.
Ein besonders vorteilhaftes Ausführungsbeispiel der elektrischen Heizvorrichtung sieht vor, dass das zumindest eine Heizelement zumindest eine wärmeableitende Oberfläche aufweist, mit einer Anzahl von Wärmeleitrippen, welche die zumindest eine wärmeableitende Oberfläche vergrößern. Durch die oberflächenvergrößernde Wirkung der Wärmeleitrippen wird die Wärmeübertragung von dem zumindest einen Heizelement auf den durch die am Heizelement angeordneten Öffnungen geförderten Luftstrom noch erheblich verbessert.A particularly advantageous embodiment of the electric heating device provides that the at least one heating element has at least one heat-dissipating surface, with a number of heat-conducting fins, which increase the at least one heat-dissipating surface. Due to the surface-enlarging effect of the heat-conducting ribs, the heat transfer from the at least one heating element to the air flow conveyed through the openings arranged on the heating element is still considerably improved.
In einem weiteren Ausführungsbeispiel der elektrischen Heizvorrichtung weist die zumindest eine Steuervorrichtung im Bereich der Leiterplatte zumindest einen Anschluss für eine Stromversorgung und/oder zumindest einen Anschluss für eine Ansteuerlogik auf. Hierdurch lässt sich die Heizvorrichtung auf konstruktiv einfache Weise an das Bordstromnetz eines Kraftfahrzeugs anschließen und/oder in die Bordelektronik eines Kraftfahrzeugs integrieren.In a further embodiment of the electrical heating device, the at least one control device in the region of the printed circuit board has at least one connection for a power supply and / or at least one Connection for a control logic on. This allows the heater to connect in a structurally simple manner to the on-board power supply system of a motor vehicle and / or integrate it into the on-board electronics of a motor vehicle.
Eine vorteilhafte Ausführungsform der elektrischen Heizvorrichtung sieht vor, dass die zumindest eine Steuervorrichtung zumindest einen Leistungstransistor, wie insbesondere einen Metall-Oxid-Halbleiter-Feldeffekttransistor (MOSFET) aufweist. Durch die Verwendung dieses auch als MOSFET bezeichneten Typs von Transistoren wird die Steuerung der elektrischen Heizvorrichtung sowie ihre Integration in die Bordelektronik erheblich erleichtert.An advantageous embodiment of the electrical heating device provides that the at least one control device has at least one power transistor, in particular a metal-oxide-semiconductor field-effect transistor (MOSFET). The use of this type of transistor, also referred to as a MOSFET, considerably facilitates the control of the electrical heating device and its integration into the on-board electronics.
Die Aufgabe zur Heizungs- und/oder Klimaanlage wird mit den Merkmalen der Ansprüche 10, 11 und 12 gelöst.The object of the heating and / or air conditioning is achieved with the features of
Eine vorteilhafte Ausführungsform der Heizungs- und/oder Klimaanlage, insbesondere für ein Kraftfahrzeug, mit einem Luftkanal, sieht vor, dass in dem Luftkanal eine gemäß der oben genannten Beschreibung gestaltete elektrische Heizvorrichtung angeordnet ist.An advantageous embodiment of the heating and / or air conditioning, in particular for a motor vehicle, with an air duct, provides that in the air duct designed according to the above description electric heating device is arranged.
Bei einer besonders vorteilhaften Ausführungsform der Heizungs- und/oder Klimaanlage ist bzw. sind der zweite Leiterplattenabschnitt und/oder die zumindest eine erste Steckvorrichtung und die zumindest eine zweite Steckvorrichtung im Luftkanal angeordnet.In a particularly advantageous embodiment of the heating and / or air conditioning, the second printed circuit board section and / or the at least one first plug-in device and the at least one second plug-in device are or are arranged in the air duct.
In einem weiteren Ausführungsbeispiel der Heizungs- und/oder Klimaanlage ist bzw. sind der zweite Leiterplattenabschnitt und/oder die zumindest eine erste Steckvorrichtung und die zumindest eine zweite Steckvorrichtung in einem zu erwärmenden Luftstrom in dem Luftkanal angeordnet.In a further exemplary embodiment of the heating and / or air conditioning system, the second printed circuit board section and / or the at least one first plug-in device and the at least one second plug-in device are or are arranged in an air flow to be heated in the air duct.
Dadurch wird eine Heizungs- oder Klimaanlage geschaffen, die auch in Kraftfahrzeugen mit modernen, verbrauchsoptimierten und nur wenig Abwärme produzierenden Motoren sowie in Kraftfahrzeugen mit Elektromotoren eine sehr gute Heizleistung erzeugt. Darüber hinaus werden empfindliche zu kühlende Komponenten der elektrischen Heizvorrichtung auf energie-, material- und bauraumsparende Weise gekühlt.As a result, a heating or air conditioning system is created, which also produces a very good heating performance in motor vehicles with modern, consumption-optimized and only slightly waste heat producing engines and in motor vehicles with electric motors. In addition, sensitive to be cooled components of the electric heater are cooled in energy, material and space-saving manner.
Weitere vorteilhafte Ausgestaltungen sind durch die nachfolgende Figurenbeschreibung und durch die Unteransprüche beschrieben.Further advantageous embodiments are described by the following description of the figures and by the subclaims.
Nachstehend wird die Erfindung auf der Grundlage zumindest eines Ausführungsbeispiels anhand der Figuren der Zeichnung näher erläutert. Es zeigen:
- Fig. 1
- eine schematische Ansicht einer elektrischen Heizvorrichtung, und
- Fig. 2
- eine schematische seitliche Ansicht der elektrischen Heizvorrichtung nach
.Figur 1
- Fig. 1
- a schematic view of an electric heater, and
- Fig. 2
- a schematic side view of the electric heater according to
FIG. 1 ,
Die
Die elektrische Heizvorrichtung 1 ist in einer nicht dargestellten Heizungsanlage eines Kraftfahrzeugs angeordnet. In einem alternativen Ausführungsbeispiel ist die elektrische Heizungsvorrichtung 1 in einer Klimaanlage eines Kraftfahrzeugs angeordnet.The
Die elektrische Heizvorrichtung 1 weist ein Gehäuse 2 und zumindest eine Leiterplatte 4 auf. Die zumindest eine Leiterplatte 4 kann eine starre Struktur oder auch eine flexible Struktur aufweisen. Darüber hinaus kann es sich in verschiedenen Ausführungsformen der elektrischen Heizvorrichtung 1 bei der zumindest einen Leiterplatte 4 um eine einlagige Leiterplatte 4, eine zweilagige Leiterplatte 4 oder eine mehrlagige Leiterplatte 4 handeln.The
Die Leiterplatte 4 weist einen ersten Leiterplattenabschnitt 5 und einen benachbart zum ersten Leiterplattenabschnitt 5 angeordneten zweiten Leiterplattenabschnitt 6 auf.The printed
In dem in
Darüber hinaus ist in diesem Ausführungsbeispiel im Bereich des ersten Leiterplattenabschnitts 5 ein Anschluss 14 für eine elektronische Verbindung der elektrischen Heizvorrichtung 1 mit einer nicht dargestellten Ansteuerlogik angeordnet. Mittels des Anschlusses 14 ist die elektrische Heizvorrichtung 1 beispielsweise über einen im Kraftfahrzeug angeordneten Bordcomputer ansteuerbar. Die Verbindung kann beispielsweise über einen Datenbus erfolgen, wie über einen CAN-Bus oder einen LIN-Bus. In alternativen Ausführungsbeispielen der elektrischen Heizvorrichtung 1 sind der Anschluss 13 und/oder der Anschluss 14 außerhalb des ersten Leiterplattenabschnitts 5 angeordnet. Darüber hinaus kann die elektrische Heizvorrichtung 1 in weiteren Ausführungsbeispielen mehr als einen Anschluss 13 und/oder mehr als einen Anschluss 14 aufweisen. Die Ansteuerung der Heizleistung der elektrischen Heizvorrichtung kann dabei über Datenbus oder über ein anderweitiges Signal, wie über ein ON/OFF-Signal insbesondere von 0-12V oder über ein PWM-Signal, erfolgen.In addition, in this embodiment, in the region of the first printed
In dem in
Der zumindest eine Leistungstransistor 19 kann beispielsweise als Metall-Oxid-Halbleiter-Feldeffekttransistor ausgebildet sein.The at least one
In dem in
Das in den
Die zumindest eine erste Steckvorrichtung 7 und die zumindest eine zweite Steckvorrichtung 8 sind beispielsweise komplementär zueinander ausgebildet und können insbesondere lösbar oder nicht lösbar miteinander verbunden werden. Dadurch kann das Heizelement 9 mit der Steuervorrichtung 3 verbunden werden.The at least one first plug-in
Die zumindest eine erste Steckvorrichtung 7 ist in dem in den
Die zumindest eine zweite Steckvorrichtung 8 ist in dem in den
Das zumindest eine Heizelement 9 weist in dem in
Die zwischen den PTC-Elementen 10 und den Wärmeleitrippen 12 angeordneten Kontaktbleche 20 sind mit den PTC-Elementen 10 und gegebenenfalls mit den Wärmeleitrippen 12 elektrisch leitend und thermisch leitend verbunden. Das zumindest eine blockartig aufgebaute Heizelement 9 kann darüber hinaus auch in einem insbesondere rechteckförmigen Rahmen angeordnet sein.The arranged between the
Zwischen den Wärmeleitrippen 12 und den PTC-Elementen 10 weist das zumindest eine Heizelement 9 beispielhaft parallel zueinander angeordnete Öffnungen 11 als integrierte Luftkanäle auf. Die Öffnungen 11 sind in diesem Ausführungsbeispiel im Wesentlichen in einer Luftströmungsrichtung 16 in einem Luftkanal 15 angeordnet. Der Luftkanal 15 ist beispielsweise innerhalb der nicht dargestellten Heizungs- oder Klimaanlage angeordnet.Between the heat-conducting
Der in den
In dem in den
In dem in den
Claims (12)
- An electric heating device (1), in particular for a motor vehicle, with at least one heating element (9) and with at least one control device (3) with a housing (2), with at least one circuit board (4), with a first circuit board section (5) and a second circuit board section (6), and with at least one first plug device (7) and with at least one second plug device (8), wherein the two plug devices (7, 8) serve to connect the at least one heating element (9) to the control device (3), wherein the at least one first plug device (7) is connected to the second circuit board section (6) and the at least one second plug device (8) is connected to the heating element (9), characterised in that the housing (2) only partially receives the at least one circuit board (4), wherein the first circuit board section (5) is arranged inside the housing (2) and the second circuit board section (6) protrudes from the housing (2) .
- The electric heating device (1) according to claim 1, characterised in that the at least one first plug device (7) and the at least one second plug device (8) are designed complementary to one another and/or are releasably connectable to one another.
- The electric heating device (1) according to claim 1 or 2, characterised in that the at least one first plug device (7) is soldered or crimped to the second circuit board section (6).
- The electric heating device (1) according to claim 1 or 2, characterised in that the first circuit board section (5) has a part (17) and this part (17) is substantially designed in a closed water-tight manner.
- The electric heating device (1) according to one of the preceding claims, characterised in that the at least one heating element (9) has a number of positive temperature coefficient elements (10).
- The electric heating device (1) according to one of the preceding claims, characterised in that the at least one heating element (9) is substantially designed block-like and has a number of continuous openings (11) as air channels which are arranged parallel to one another.
- The electric heating device (1) according to one of the preceding claims, characterised in that the at least one heating element (9) has at least one heat-dissipating surface with a number of heat-conducting ribs (12) which enlarge the at least one heat-dissipating surface.
- The electric heating device (1) according to one of the preceding claims, characterised in that the control device (3) has at least one connection for a power supply (13) and/or at least one connection for a control logic (14) in the region of the circuit board (4).
- The electric heating device (1) according to one of the preceding claims, characterised in that the at least one control device (3) has at least one power transistor, such as in particular a metal oxide semiconductor field effect transistor.
- A heating and/or air conditioning system, in particular for a motor vehicle, with an air channel (15), characterised in that an electric heating device (1) according to one of the preceding claims is arranged inside the air channel (15).
- The heating and/or air conditioning system according to claim 10, characterised in that the second circuit board section (6) and/or the at least one first plug device (7) and the at least one second plug device (8) is or are arranged inside the air channel (15).
- The heating and/or air conditioning system according to claim 11, characterised in that the second circuit board section (6) and/or the at least one first plug device (7) and the at least one second plug device (8) is or are arranged in an air flow to be heated inside the air channel (15).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15168434.7A EP3096587B1 (en) | 2015-05-20 | 2015-05-20 | Electric heating device |
PCT/EP2016/059793 WO2016184675A1 (en) | 2015-05-20 | 2016-05-02 | Electrical heating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15168434.7A EP3096587B1 (en) | 2015-05-20 | 2015-05-20 | Electric heating device |
Publications (2)
Publication Number | Publication Date |
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EP3096587A1 EP3096587A1 (en) | 2016-11-23 |
EP3096587B1 true EP3096587B1 (en) | 2019-07-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15168434.7A Active EP3096587B1 (en) | 2015-05-20 | 2015-05-20 | Electric heating device |
Country Status (2)
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EP (1) | EP3096587B1 (en) |
WO (1) | WO2016184675A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3065856B1 (en) * | 2017-04-28 | 2021-02-19 | Valeo Systemes Thermiques | ELECTRIC HEATING DEVICE FOR MOTOR VEHICLES |
DE102017010211A1 (en) * | 2017-11-02 | 2019-05-02 | Eberspächer Catem Gmbh & Co. Kg | Electric heater |
FR3075327B1 (en) * | 2017-12-19 | 2020-05-15 | Valeo Systemes Thermiques | SUPPLY MODULE FOR HEATING RADIATOR AND HEATING RADIATOR PROVIDED WITH SUCH A MODULE |
DE102019214566B4 (en) * | 2019-09-24 | 2021-04-01 | Vitesco Technologies GmbH | Heating arrangement |
CN212046774U (en) * | 2019-12-30 | 2020-12-01 | 法雷奥汽车空调湖北有限公司 | Electric heating device, heating, ventilation and/or air conditioning device and motor vehicle |
FR3126480A1 (en) * | 2021-08-27 | 2023-03-03 | Valeo Systemes Thermiques | ELECTRIC RADIATOR OF A VENTILATION, HEATING, AND/OR AIR CONDITIONING INSTALLATION OF A MOTOR VEHICLE. |
CN215930157U (en) * | 2021-09-24 | 2022-03-01 | 上海科勒电子科技有限公司 | Driving part of warm air heater and warm air heater |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19738318C5 (en) | 1997-09-02 | 2014-10-30 | Behr Gmbh & Co. Kg | Electric heating device for a motor vehicle |
FR2915654B1 (en) * | 2007-04-27 | 2014-12-12 | Valeo Systemes Thermiques | ADDITIONAL DEVICE FOR ELECTRICALLY HEATING AN AIR FLOW COMPRISING VENTILATION, HEATING AND / OR AIR CONDITIONING OF A MOTOR VEHICLE |
FR2942867B1 (en) * | 2009-03-03 | 2011-03-25 | Valeo Systemes Thermiques | HEATING DEVICE, IN PARTICULAR FOR A MOTOR VEHICLE |
FR2973639B1 (en) * | 2011-03-28 | 2013-04-26 | Valeo Systemes Thermiques | HEAT EXCHANGER WITH ELECTRIC HEATING ELEMENTS |
EP2863143B1 (en) * | 2013-10-21 | 2019-02-20 | Mahle Behr France Rouffach S.A.S | Heating device |
-
2015
- 2015-05-20 EP EP15168434.7A patent/EP3096587B1/en active Active
-
2016
- 2016-05-02 WO PCT/EP2016/059793 patent/WO2016184675A1/en active Application Filing
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EP3096587A1 (en) | 2016-11-23 |
WO2016184675A1 (en) | 2016-11-24 |
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