EP1625031A2 - Energieversorgungssystem f r ein kraftfahrzeug - Google Patents
Energieversorgungssystem f r ein kraftfahrzeugInfo
- Publication number
- EP1625031A2 EP1625031A2 EP04711996A EP04711996A EP1625031A2 EP 1625031 A2 EP1625031 A2 EP 1625031A2 EP 04711996 A EP04711996 A EP 04711996A EP 04711996 A EP04711996 A EP 04711996A EP 1625031 A2 EP1625031 A2 EP 1625031A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- supply system
- energy supply
- energy
- air conditioning
- auxiliary drive
- 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.)
- Withdrawn
Links
- 238000004378 air conditioning Methods 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000002551 biofuel Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Definitions
- the invention relates to an energy supply system for motor vehicles according to the preamble of the claims.
- FIG. 7 schematically shows, for example, a motor vehicle in which a
- Traction motor 12 in addition to a single or multi-axis vehicle drive 21, a cabin heater 11 via a coolant and Seku däfagg egate 31, such as servo pumps, hydraulic pumps, a water pump or a compressed air compressor supplied with energy via mechanical coupling.
- the auxiliary drives can also be operated electrically, the power supply being supplied by a generator 41 mechanically coupled to the drive motor a battery as storage.
- the drive motor 12 drives an air conditioning compressor 51 and a fan 61 for a cooler 14 via suitable clutches and / or belt drives.
- an auxiliary unit 110 additionally serves to supply energy when the traction motor 12 is at a standstill.
- the auxiliary unit 110 provides, for example, heating energy 71, air conditioning 81 and / or electricity 91 for the vehicle.
- a disadvantage is an additional installation of generators, air conditioning compressors, air conditioning condenser with its own fan 13, power or other supply lines.
- a basic idea of the invention is that an energy supply is ensured by an auxiliary drive, the auxiliary drive generating heat and / or mechanical energy and / or electrical energy, for example.
- the heat is generated with a burner and a working fluid, for example a coolant, is heated.
- the heated working fluid is then used, for example, for preheating a motor vehicle engine and / or for heating a vehicle interior, the working fluid being passed through a heating element for heating the vehicle interior, which may be part of an air conditioning system already present in the motor vehicle.
- the auxiliary drive generates the electrical energy using a generator which is coupled to the auxiliary drive.
- the auxiliary drive is additionally or alternatively used for cooling a vehicle interior, in which the auxiliary drive supplies a cooling circuit with an evaporator, a compressor and a condenser with energy.
- the auxiliary drive To supply energy to a refrigerant circuit, the auxiliary drive provides mechanical and / or electrical energy, for example, for driving the compressor.
- components from a refrigeration cycle already present in the motor vehicle are used for stationary air conditioning.
- an evaporator and / or a condenser and / or a compressor which are part of the refrigeration circuit already present in the motor vehicle and thus of an air conditioning system, can also be used for parking air conditioning.
- the compressor is equipped with a clutch for such an application, so that it is in normal operation is driven by the motor vehicle engine and in auxiliary air conditioning operation by the auxiliary drive.
- the compressor it is also possible for the compressor to be driven by the auxiliary drive even in normal operation, in which case the clutch can be dispensed with.
- the corresponding air conditioning unit can advantageously also be used for temperature determination, determination and / or air mixing and / or air distribution for the vehicle interior in stationary air conditioning operation. This also applies to a control unit and / or an operating unit.
- the auxiliary drive can be designed as a fuel cell.
- the auxiliary drive can comprise means for generating steam, from which mechanical energy can be obtained in a closed steam cycle, fuels being burned without an open flame in a thermal reactor comprising porous ceramic structures for steam generation. The combustion in such a thermal reactor takes place advantageously only with a small amount of exhaust gas without vibrations and almost without disturbing noises. It is also possible to use different types of fuels such as petrol, diesel, gas, biofuels etc.
- the at least one vehicle component is suitable, in particular, for supplying the motor vehicle alone during operation and during a standstill of a traction motor. This may result in multiple installation of components, their supply lines etc. avoided.
- the vehicle component is in particular a heating and / or air conditioning device, a servo pump, a hydraulic pump, a water pump, a compressed air compressor, a fan and / or a power generator, such as a generator. Exemplary embodiments of the invention are shown in the drawing and are described in more detail below. Show it:
- FIG. 1 shows a block diagram of a first exemplary embodiment of an air conditioning system according to the invention for a motor vehicle
- FIG. 2 shows a block diagram of a second exemplary embodiment of an air conditioning system according to the invention for a motor vehicle
- FIG. 3 shows a block diagram of a third exemplary embodiment of an air conditioning system according to the invention for a motor vehicle
- FIG. 4 shows a block diagram of a fourth exemplary embodiment of an air conditioning system according to the invention for a motor vehicle
- FIG. 5 shows a block diagram of a fifth exemplary embodiment of an air conditioning system according to the invention for a motor vehicle
- Fig. 6. a motor vehicle with an energy supply system according to the invention
- Fig. 7 is a motor vehicle according to the prior art.
- Fig. 8 shows a motor vehicle according to the prior art.
- FIGS. 1 to 4 Various exemplary embodiments are described below with reference to FIGS. 1 to 4, the same reference numerals being used in the exemplary embodiments for identical or similar components.
- FIG. 1 shows an air conditioning system 10 according to the invention with a coolant circuit 101 with a first heat exchanger KMK, which is designed, for example, as a coolant cooler for a motor vehicle engine 100 with a first heating circuit 1.1 and a second heating circuit 1.2 and a first and a second cooling circuit 2.1 and 2.2.
- the first heating circuit 1.1 comprises a second heat exchanger HK1, which is designed, for example, as a radiator, for heating a vehicle interior.
- the second heating circuit 1.2 comprises an auxiliary drive 3 and a third heat exchanger HK2, which is designed, for example, as a radiator, for heating a vehicle interior.
- an eighth heat exchanger KMK2 is provided in the illustrated embodiment for cooling the auxiliary drive 3, which is designed, for example, as a coolant cooler and can be connected to the second heating circuit 1.2.
- the two heating circuits 1.1 and 1.2 preferably use the same coolant as the coolant circuit 101 as the working fluid.
- the coolant circuits 1.1, 1.2 and 101 additionally comprise the lines and valves shown in FIG. 1 for controlling the circuits.
- the second heating circuit 1.2 can also be coupled to the first heating circuit 1.1 for engine preheating via corresponding lines and valves.
- the first cooling circuit 2.1 comprises a first compressor Komprl, which in the exemplary embodiment shown is driven by the motor vehicle engine 100, a fourth heat exchanger VD1, which is designed, for example, as an evaporator, and a fifth heat exchanger Kondl, which is designed, for example, as a condenser.
- the second cooling circuit 2.1 comprises a second compressor Kompr2, which in the illustrated embodiment is driven by the auxiliary drive 3, a sixth heat exchanger VD2, which is designed, for example, as an evaporator, and a seventh heat exchanger Kond2, which is designed, for example, as a condenser.
- the two cooling circuits 2.1 and 2.2 comprise the connecting lines shown in FIG. 1 for the transport of a corresponding refrigerant.
- the first heating circuit 1.1 and the first cooling circuit 2.1 are used in normal operation of the vehicle to air-condition the vehicle interior.
- the second heating circuit 1.2 and the second cooling circuit 2.2 are used to air-condition the vehicle interior, which are components of a stationary air-conditioning system 50, the second heating circuit 1.2 also being connectable to the first heating circuit 1.1 for preheating the vehicle engine 100.
- the components of the stationary air conditioning system 50 can of course also be used during the normal operation of the vehicle in addition to the components of the first heating circuit 1.1 and the first cooling circuit 2.1.
- the second heat exchanger HK1, the third heat exchanger HK2, the fourth heat exchanger VD1 and the sixth heat exchanger VD2 are arranged in a common air conditioner 20 for air conditioning the vehicle interior.
- the same air mixing and air distribution devices, not shown, of the air conditioning device 20 can advantageously be used to air-condition the vehicle interior.
- FIG. 2 shows a second exemplary embodiment of the air conditioning system 10 according to the invention, which is a modification of the first exemplary embodiment.
- the first and the second heating circuits 1.1 and 1.2 use the third heat exchanger HK2 for heating the vehicle interior.
- the second heat exchanger HK1 was dispensed with in the exemplary embodiment shown.
- the first and the second cooling circuits 2.1 and 2.2 use the sixth heat exchanger VD2.
- the fourth heat exchanger VD1 was dispensed with in the exemplary embodiment shown.
- the function is similar to that described in FIG. 1, only that in the exemplary embodiment 2, the third and the sixth heat exchangers HK2, VD2 can be used both in normal operation and in a stationary air-conditioning operation.
- the two cooling circuits 2.1, 2.2 are combined to form a cooling circuit which only uses one compressor Kompr.
- the remaining compressor Kompr is now driven by a corresponding clutch in normal operation by the vehicle engine 100 and in auxiliary air conditioning operation by the auxiliary drive 3.
- the coolant circuits 1.1, 1.2 and 101 are unchanged from the embodiment shown in FIG. 2.
- FIG. 5 shows an embodiment in which the energy for cooling the vehicle interior is provided by the auxiliary drive 3 both in normal operation and in stationary air-conditioning operation. Only the thermal energy for heating the vehicle interior is provided by the vehicle engine 100 and / or by the auxiliary drive 3 via the two heating circuits 1.1 and 1.2.
- the auxiliary drive can be designed as a fuel cell and / or as a closed steam circuit and / or as an internal combustion engine, which is improved with respect to environmental pollution due to noise and exhaust gases compared to the conventional internal combustion engines described.
- FIG. 6 schematically shows a motor vehicle whose energy supply system is designed in such a way that an auxiliary unit 210 can also be operated during operation of a traction motor 220. This provides, for example, heating heat 271, air conditioning 281 and / or electricity 291 for the vehicle, for which the energy supply system for the motor vehicle need only have exactly one heating circuit, cooling / air conditioning circuit or power generator. Some or all of the energy-consuming units can be driven mechanically or electrically by the auxiliary unit 210 by means of the generator 291. If the auxiliary drive, such as the auxiliary unit, has sufficient electrical power, it is also possible to electrify the fan 212 so that it can be controlled and regulated as required.
- a cabin heater 211 fed by the traction motor 220 may save energy, since the waste heat from the traction motor is available in any case.
- a cabin heating by the auxiliary unit is then furthermore advantageous as a standing function or also as a support in a driving operation, such support being desirable, in particular in the case of highly efficient traction motors.
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04711996A EP1625031A2 (de) | 2003-02-18 | 2004-02-18 | Energieversorgungssystem f r ein kraftfahrzeug |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10306715 | 2003-02-18 | ||
| PCT/EP2003/012625 WO2004074021A1 (de) | 2003-02-18 | 2003-11-12 | Klimatisierungssystem für ein kraftfahrzeug |
| EP04711996A EP1625031A2 (de) | 2003-02-18 | 2004-02-18 | Energieversorgungssystem f r ein kraftfahrzeug |
| PCT/EP2004/001535 WO2004074019A2 (de) | 2003-02-18 | 2004-02-18 | Energieversorgungssystem für ein kraftfahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1625031A2 true EP1625031A2 (de) | 2006-02-15 |
Family
ID=35637298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04711996A Withdrawn EP1625031A2 (de) | 2003-02-18 | 2004-02-18 | Energieversorgungssystem f r ein kraftfahrzeug |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP1625031A2 (de) |
-
2004
- 2004-02-18 EP EP04711996A patent/EP1625031A2/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004074019A3 * |
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| 17Q | First examination report despatched |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 18D | Application deemed to be withdrawn |
Effective date: 20110315 |