EP3295768A1 - Heating module for heating the vehicle interior of a motor vehicle - Google Patents
Heating module for heating the vehicle interior of a motor vehicleInfo
- Publication number
- EP3295768A1 EP3295768A1 EP16718714.5A EP16718714A EP3295768A1 EP 3295768 A1 EP3295768 A1 EP 3295768A1 EP 16718714 A EP16718714 A EP 16718714A EP 3295768 A1 EP3295768 A1 EP 3295768A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- heating module
- electrical
- plate
- end plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- 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
- H05B2203/016—Heaters using particular connecting means
-
- 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
- H05B2203/02—Heaters using heating elements having a positive temperature coefficient
-
- 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
- Heating module for heating the vehicle interior of a motor vehicle
- the invention relates to a heating module for heating the vehicle interior of a motor vehicle and a heating device with a plurality of such heating modules. Finally, the invention relates to a motor vehicle with a vehicle interior and with at least one heating module explained above and / or with a heating device explained above.
- Such heating modules with PTC heating elements are generally self-regulating, which means that the heating power provided by the PTC heating element is insufficient in heat dissipation automatically decreases the vehicle interior due to the increasing electrical resistance.
- the power electronics unit nevertheless required to control the PTC heating elements is typically carried out in the manner of an electrical circuit board in such conventional heating modules.
- DE 10 201 1 089 B3 describes a device for controlling an electric heater for vehicles.
- the device comprises a housing and a housed in this board, on which at least one component to be cooled is arranged.
- DE 100 28 446 B4 deals with an additional electric heater with PTC heating elements and with a semiconductor switch which has an electrically insulating heat conductor. On the heat conductor an electrically conductive and heat-conducting plate and various electrical connections are arranged.
- EP 2 446 describes a heating device for a motor vehicle with at least one PTC heating element. Furthermore, the heating device comprises a control device mechanically and electrically connected to the PTC heating element, by means of which the electrical current provided to the PTC heating element is adjustable.
- the present invention therefore deals with the problem of providing an improved embodiment for a heating module for heating a vehicle interior of a motor vehicle, which is characterized in particular by an improved electrical and thermal connection of the power electronics unit to the PTC power supply unit. Heating elements distinguishes.
- the support plate not only serves as a mechanical support for the PTC heating elements, but also acts as an electrical conduction path to electrically connect the power electronics unit to the PTC heating elements.
- Essential to the invention is provided on the metallic support plate, electrically insulating insulating layer, such as an oxide ceramic.
- electrically insulating insulating layer such as an oxide ceramic.
- an electrical conductor track of an electrically conductive material is arranged, which connects the power electronics unit electrically to the PTC heating elements.
- Elaborate alternative connection techniques for electrically connecting the PTC heating elements with the power electronics unit, such as electrical connectors can thus be omitted.
- the metallic carrier plate can be used to transport waste heat generated by the PTC heating elements during operation.
- the electrically conductive material of the electrical conductor is a metal, particularly preferably copper.
- a heating module according to the invention for heating the vehicle interior of a motor vehicle comprises at least one PTC heating element which, in particular sandwiched, is arranged between a first and a second carrier plate, each made of a metal.
- the first support plate has on a at least one PTC heating element side facing an electrically insulating insulation layer. On this insulating layer, an electrical conductor is formed, which is electrically connected to the at least one PTC heating element.
- On the first carrier plate there is a power electronic unit electrically connected to the track for providing electric heating power to the PTC heating element.
- This power electronics unit is configured to control and / or regulate the propagation of electrical energy supplied by an external electrical energy source to the PTC heating elements.
- the power electronics unit various, known to the expert in the field of electrical engineering electrical and / or electronic components such as power transistors or the like. include, which are realized in a compact module construction.
- a first or second rib structure is arranged on a side of the first carrier plate facing away from the at least one PTC heating element and / or on a side of the second carrier plate facing away from the at least one PTC heating element.
- the first or second fin structure serves primarily for the effective dissipation of waste heat, which is generated by the PTC heating elements during operation of the heating module, to the external environment of the heating module.
- a first module end plate is arranged on a side of the first rib structure facing away from the at least one PTC heating element.
- a second heating module end plate is arranged on a side of the second rib structure facing away from the at least one PTC heating element.
- Both heating module end plates serve to stiffen the heating module.
- they can be used with the fin structures to remove waste heat from the PTC heating elements.
- the heating module end plates can be passed over the rib structure. electrically connected to the support plates and via these with the PTC heating elements. This gives the heating module plates the property of electrical conduction paths by means of which the PTC heating elements can be connected to an external power source, such as a battery of the motor vehicle.
- the first carrier plate and the first heating module end plate integrally formed on each other and formed as a U-shaped profile part.
- the first rib structure is arranged in this embodiment between the first support plate and the first Schumodul- end plate and is supported for stiffening on the first support plate and on the first heating module end plate.
- the second support plate and the second heating module end plate are formed integrally with each other and formed as a first U-shaped profile part.
- the first support plate and the first heating module end plate are designed as legs of said first profile part.
- the second support plate and the second Schumodul- end plate integrally formed on each other and formed as a first U-shaped profile part.
- the second carrier plate and the second heating module end plate are formed in such a scenario as legs of the second profile part.
- the first rib structure may preferably be arranged between the legs of the first support plate and the first heating module end plate, such that it is supported on the two plates.
- the second rib structure may preferably be arranged between the legs of the second carrier plate and the second heating module end plate, such that it is supported on the two plates. Both measures, taken alone or in combination, lead to an additional stiffening of the heating module.
- at least two PTC heating elements preferably a plurality of PTC heating elements, may be present in the heating module, which are arranged adjacent to one another along a longitudinal direction of the heating module. Particularly preferably, the PTC heating elements along the longitudinal direction are arranged at a distance from each other.
- the first carrier plate points beyond the second carrier plate along the longitudinal direction. The projecting beyond the second support plate longitudinal portion of the first support plate is used to hold the power electronics unit of the heating module.
- the second heating module end plate projects beyond the first heating module end plate in the longitudinal direction.
- the longitudinal section of the second heating module end plate projecting beyond the first heating module end plate is designed as an electrical contact section for electrical connection to an electrical ground path.
- the second heating module end plate and the first carrier plate have substantially the same plate length in the longitudinal direction.
- the first heating module end plate and the second carrier plate may also have substantially the same plate length in the longitudinal direction.
- the plates can be made with the same plate length as equal parts, thereby reducing the manufacturing cost of the heating module.
- the first carrier plate and the first heating module end plate may in another preferred embodiment be formed integrally with each other and formed as a U-shaped first profile part.
- the second support plate and the second heating module end plate integrally formed on each other and be formed as a U-shaped second profile part.
- the first rib structure is arranged in a first intermediate space partially enclosed by the first U-shaped profile part. This is supported on the two opposite legs of the first U-shaped profile part.
- the second rib structure which is supported on the two opposite limbs of the second U-shaped profile part, can be arranged in a second intermediate space partially enclosed by the second U-shaped profile part.
- the material of the electrically insulating insulation layer is a ceramic.
- a ceramic is particularly easy to apply to the first carrier plate.
- the invention further relates to a heating device with at least two heating modules presented above, preferably with a plurality of such heating modules.
- the at least two heating modules are stacked along a stacking direction adjacent to each other.
- PTC heating elements are additionally present between two adjacent heating modules.
- at least one PTC heating element preferably a plurality of PTC heating elements, is sandwiched between two heating module end plates of adjacent heating modules adjacent in the stacking direction.
- the electrical contact cut the second heating module end plates electrically connected to a common electrical ground path of the heater.
- the electrical ground path may be formed as a ground bus comprising an electrical mass sheet metal part. From this mass sheet metal part are laterally contacting portions, with which the electrical contact portions of the second heating module end plates are materially connected, for example by means of a solder joint.
- the power electronics units of the heating modules each have a contact area.
- the contact regions are connected to a common electrical supply path of the heater for electrical connection to an electrical energy source.
- the electrical supply path is designed as a supply bus, which comprises a supply bus sheet-metal part, with which in turn the contact areas of the power electronics units are connected in a material-locking manner.
- a particularly effective electrical connection between the supply bus and the heating modules is achieved if an electrical contact section is provided on the electrical supply bus sheet-metal part for each heating module to be electrically contacted, which protrudes at an angle from the electrical supply bus sheet metal part.
- the respective electrical contact section is by means of a cohesive connection flat with a corresponding electrical Contact area of the power electronics unit of the respective heating module connected.
- thermal contact section on the electrical supply bus sheet metal part for each heating module to be electrically contacted, which protrudes at an angle from the supply bus sheet metal part.
- the thermal contact portions are connected by means of a cohesive connection areally with a corresponding thermal contact portion of the power electronics unit of the respective heating module. As such cohesive connection may be about a solder joint into consideration.
- the invention relates to a motor vehicle with a vehicle interior and with at least one heating module explained above and / or with a heating device discussed above.
- FIG. 1 shows an example of a heating module according to the invention in a perspective exploded view
- FIG. 2 shows an example of a heating device according to the invention with a plurality of stacked heating modules according to FIG. 1,
- Fig. 3 is a separate view of realized in the form of U-shaped profile parts support or end plates of the heater.
- FIG. 1 illustrates in a perspective exploded view an example of a heating module 1 according to the invention.
- the heating module 1 for heating the vehicle interior of a motor vehicle comprises a plurality of PTC heating elements 2.
- the PTC heating elements 2 are sandwiched between a first and a second support plate 3, 4, each made of a metal.
- the individual PTC heating elements 2 are arranged adjacent to each other along a longitudinal direction L of the heating module 1 and at a distance from one another.
- the first carrier plate 3 is electrically connected to a lower side 16 of the PTC heating elements 2, for which purpose the first carrier plate 3 rests flat against the undersides 16 of the PTC heating elements 2.
- the second carrier plate 4 is electrically connected to an upper side 17 of the PTC heating elements 2.
- the second support plate 4 lies flat against the upper sides 17 of the PTC heating elements 2.
- the upper and lower sides 17, 16 thus serve as electrical Connections of the PTC heating elements 2.
- the PTC heating elements 2 are connected or connectable to an electrical energy source (not shown in FIG. 1).
- the first carrier plate 3 can be electrically connected or connected to an electrical energy source via a suitably designed electrical supply path 26 (shown only in FIG. 2).
- the second carrier plate 4 is connected to an electrical ground path 21 (not shown in FIG. 2) to which said electrical energy source can also be connected.
- the first support plate 3 has an electrically insulating insulation layer 6 on a side 5 facing the PTC heating elements 2.
- the material of the electrically insulating insulating layer may be a ceramic.
- an electrical conductor 7, for example made of copper, is formed on the electrically insulating insulating layer 6.
- the electrical conductor 7 is electrically connected to the PTC heating elements 2.
- a power electronics unit 8 which is likewise electrically connected to the track 7, is provided for providing electrical heating power to the PTC heating elements 2.
- a first rib structure 10 is arranged on a side 9 of the first carrier plate 3 facing away from the PTC heating elements 2.
- a second rib structure 12 is arranged on a side facing away from the PTC heating elements 2 1 1 side of the second support plate 4.
- a first module end plate 13 is arranged on a side of the first rib structure 10 facing away from the PTC heating elements 2.
- a second heating module end plate 14 is arranged on a side of the second rib structure 12 facing away from the PTC heating elements 2.
- the two rib structures 10, 12 and the two heating module end plates 13, 14 made of a metal or other suitable, electrically conductive material, so that the first support plate 3 via the first rib structure 10 electrically connected to the first heating module end plate 13th connected is. Accordingly, the second support plate 4 is then electrically connected via the second rib structure 12 to the second heating module end plate 14.
- the first rib structure 10 is supported with its ribs at the end on the first support plate 3 or on the first heating module end plate 13.
- the second rib structure 12 is supported with its ribs at the end on the second support plate 4 or the second heating module end plate 14.
- the two module end plates 13, 14, as well as the two support plates 3, 4 may be particularly preferably realized as sheet metal parts.
- FIG. 1 also shows that the first carrier plate 3 protrudes beyond the second carrier plate 4 along the longitudinal direction L.
- the power electronics unit 8 is arranged in a projecting beyond the second support plate 4 longitudinal portion 15 of the first support plate 3 on this.
- the second heating module end plate 14 projects beyond the first heating module end plate 13.
- the second heating module end plate 14 and the first support plate 3 have substantially the same plate length in the longitudinal direction L.
- the first heating module end plate 13 and the second support plate 4 in the longitudinal direction L have substantially the same plate length.
- the projecting beyond the first Schumodul- end plate 13 longitudinal portion 18 of the second Schumodul- end plate 14 is as electrical contact gate 19 for electrically connecting the second Schwarzmodul- end plate 14 and thus - via rib structure 12 and the second support plate 4 and the PTC heating elements 2 - with an electrical ground path 22 is formed.
- FIG. 2 shows an example of a heating device 20 according to the invention with a plurality of heating modules 1, wherein in the example of FIG. 2 only two heating modules 1 are shown completely for reasons of clarity.
- the heating modules 1 are arranged adjacent to one another along a stacking direction S. Between adjacent in the stacking direction S heating module end plates 13, 14 adjacent Heating modules 1 is sandwiched a plurality of PTC heating elements 2 '. In the example scenario, these PTC heating elements 2 'are constructed, arranged and integrated into the heating device 20 identically to the PTC heating elements 2.
- the two heating module end plates 13, 14 lie flat against the Untertial.- tops 16 ', 17' of the PTC heating elements 2 'and take over in this way the function of the support plates 3, 4 of the PTC heating elements 2, namely the Supplying the PTC heating elements 2 'with electrical energy from an electrical energy source.
- FIG. 3 shows to illustrate the geometric structure in a separate representation of the second support plates 4 and the second heating module end plates 14. It can be seen that they can be realized in the form of U-shaped profile parts: Thus one takes the figure 3 that the second Carrier and Bankmodul- end plates 4, 14 each integrally formed on each other and may be formed as a U-shaped second profile parts 31.
- a second rib structure 12 is arranged in the second intermediate spaces 33 partially enclosed by the second U-shaped profile part 31.
- the rib structures 12 are supported on the two opposite legs of the respective second U-shaped profile part 31.
- first support plates 3 and the first heating module end plates 13 are each integrally formed on each other and each formed as a U-shaped first profile parts 30, which is shown exclusively in Figure 2.
- a first rib structure 10 is arranged in the first intermediate space 32 partially enclosed by the first U-shaped profile parts 30.
- the first rib structures 10 are each supported on the two opposite legs of the respective first U-shaped profile part 30.
- the illustration in FIG. 3 also shows that the electrical contact sections 19 of the second heating module end plates 14 can be electrically connected to a common electrical ground path 21 of the heating device 1.
- such an electrical ground path 21 is designed as a ground bus 22, which has a, preferably one-piece, electrical mass sheet metal part 23.
- contact-making sections 24 protrude laterally. These contacting portions 24 of the ground bus 22 are connected, as shown in FIG. 2, to the electrical contact portions 19 of the second heating module end plates 14 by means of a solder connection or another suitable, preferably cohesive, connection.
- the power electronics units 8 of the heating modules 1 also each have an electrical contact region 25 (see FIGS. 1 and 2) which is connected to a common electrical supply path 26 of the heating device 1 for electrical connection to an external electrical energy source (not shown). connected is.
- the common electrical supply path 26 is formed according to Figures 2 and 3 as a supply bus 27 which in turn comprises a, preferably one-piece, supply bus sheet metal part 28, with which the electrical contact areas 25 of the power electronics units 8 are materially connected.
- an electrical contact portion 29 from the electrical contact section 29 is connected by means of a solder connection or another suitable, preferably cohesive, surface connection with a corresponding electrical contact region 25 of the power electronics unit 8.
- FIGS. 2 and 3 also show that a thermal contact section 34 projects from the electrical supply bus sheet-metal part 28 for each heating module 1 to be electrically contacted.
- Each such thermal contact Section 34 is connected as shown in Figure 3 by means of a material connection surface with a corresponding thermal contact portion 35 of the power electronics unit 8 of the respective heating module 1.
Landscapes
- Air-Conditioning For Vehicles (AREA)
- Resistance Heating (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015208858.8A DE102015208858A1 (en) | 2015-05-13 | 2015-05-13 | Heating module for heating the vehicle interior of a motor vehicle |
PCT/EP2016/059434 WO2016180638A1 (en) | 2015-05-13 | 2016-04-27 | Heating module for heating the vehicle interior of a motor vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3295768A1 true EP3295768A1 (en) | 2018-03-21 |
EP3295768B1 EP3295768B1 (en) | 2019-08-07 |
Family
ID=55809145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16718714.5A Active EP3295768B1 (en) | 2015-05-13 | 2016-04-27 | Heating device for heating the vehicle interior of a motor vehicle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3295768B1 (en) |
DE (1) | DE102015208858A1 (en) |
WO (1) | WO2016180638A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3076892B1 (en) * | 2018-01-12 | 2022-11-11 | Valeo Systemes Thermiques | POWER SUPPLY MODULE FOR HEATING RADIATOR AND HEATING RADIATOR EQUIPPED WITH SUCH MODULE |
EP3562263B1 (en) * | 2018-04-27 | 2020-06-24 | Mahle International GmbH | Temperature control device with ptc module |
DE102018211005B3 (en) * | 2018-07-04 | 2019-04-18 | Bayerische Motoren Werke Aktiengesellschaft | Heating device for a prismatic battery cell of a high-voltage battery of a motor vehicle, battery cell, battery module, high-voltage battery and motor vehicle |
DE102019202045B4 (en) * | 2019-02-15 | 2020-12-03 | Eberspächer Catem Gmbh & Co. Kg | Electric heater |
US11092358B1 (en) | 2020-02-14 | 2021-08-17 | Eberspächer Catem Gmbh & Co. Kg | Electrical heating device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2754878A1 (en) | 1977-12-09 | 1979-06-13 | Rexroth Gmbh G L | LOAD INDEPENDENT ELECTRICALLY CONTROLLED DIRECTIONAL VALVE |
DE19925757C5 (en) * | 1999-06-05 | 2011-02-10 | Behr France Rouffach S.A.S. | Heating device, in particular for a motor vehicle |
DE10015905B4 (en) * | 2000-03-30 | 2010-02-18 | Fritz Eichenauer Gmbh & Co. Kg | Device for heating interiors of motor vehicles |
DE10028446B4 (en) | 2000-06-14 | 2006-03-30 | Beru Ag | Electric auxiliary heater |
FR2895204B1 (en) * | 2005-12-21 | 2008-06-06 | Valeo Systemes Thermiques | OPTIMIZATION OF A HEATING DEVICE |
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 |
WO2011120946A1 (en) * | 2010-03-30 | 2011-10-06 | Behr-Hella Thermocontrol Gmbh | Electric heating system, in particular for a hybrid vehicle or electric vehicle |
DE102011089539B3 (en) | 2011-12-22 | 2013-04-25 | Behr-Hella Thermocontrol Gmbh | Device for controlling e.g. electrical auxiliary heater for electric vehicle, has printed circuit board fixed with heat coupling surface through connection pins for retaining thermal coupling of component to be cooled with coupling surface |
-
2015
- 2015-05-13 DE DE102015208858.8A patent/DE102015208858A1/en not_active Withdrawn
-
2016
- 2016-04-27 WO PCT/EP2016/059434 patent/WO2016180638A1/en active Search and Examination
- 2016-04-27 EP EP16718714.5A patent/EP3295768B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE102015208858A1 (en) | 2016-11-17 |
EP3295768B1 (en) | 2019-08-07 |
WO2016180638A1 (en) | 2016-11-17 |
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