DE4040196A1 - Vehicular heating installation with engine-independent heater unit - incorporates heat store supplied from fuel burner for augmentation of heating effect of engine coolant liq. - Google Patents

Abstract

Warm air is supplied to the passenger compartment from the heat exchanger (2) of a conventional engine-coolant circuit. A liq.-fuel-fired heater (4) and a heat store (5) are introduced into the circuit with a circulation pump (3), and controlled by magnetic valves (MV1, MV2). Additional heat from the store (5) is supplied when required via a thermostatic valve (9) as a function of coolant temp. (TKW). Temp sensors (T1, T2) are provided at the heat exchanger outlet and heat store inlet. ADVANTAGE - Traffic safety and comfort are enhanced with rapid interior heating and/or windscreen de-icing or engine preheating.

Description

The invention relates to a vehicle heating system with a heater that can be operated independently of the engine and that a heater connected to an engine coolant circuit circuit is involved, in which a vehicle's own heat Transmitter for vehicle interior heating is arranged.

From DE-OS 30 19 786 is a heat storage heater known for vehicles in which a heat storage for in Operation of the internal combustion engine occurring waste heat hen is used to charge the heat storage, wel the heat at a later time, for example to the vehicle interior heating again. The charging of the heat storage takes place via the exhaust gas of the internal combustion engine schine, and in addition there are electrical in the heat storage Heating resistors arranged, which are connected to an external power network can be connected. This allows the heat storage in the loading  may also be charged externally.

DE-OS 32 45 026 describes a method and a heat rope shear arrangement for temperature control in motor vehicles with Internal combustion engine known. The tempering includes for example the preheating of the engine to avoid a Cold starts, maintaining optimal operation temperature of the engine or the preheating of the motor vehicle witness interior. Here is a latent heat storage in front seen that is heated by engine waste heat, and the if necessary, heat via a pipe system for heat transfer transfers medium to this. Charging the heat memory can by means of the engine exhaust and / or the Engine coolant circuit take place. In this publication it is stated that operated with flowable fuel Parking heaters as an economical solution to the above given tempering types are not suitable because they are too expensive to buy and additional Consume energy. The heat storage provided there should an alternative to or ei according to this document NEN replacement for stand operated with flowable fuel be heaters.

From DE-OS 38 23 474 and DE-OS 38 24 099 are vehicle heating with a heat accumulator and heat accumulator heating directions known for an internal combustion engine. The driving Tool heating with a heat accumulator according to DE-OS 38 23 474 integrated into a conventional vehicle heating system, and the heat accumulator is constantly on with coolant through the charge. In DE-OS 38 24 099 the Brenn air stored heat from the heat accumulator before entry added to the combustion chamber to create a combustion air to achieve warming. The heat storage can by cooling medium, through the engine exhaust or through the engine waste heat charged or heated.  

For all heat storage heaters described above for vehicles, these are an alternative to with flowable designed according to fuel operated vehicle heaters, so that in the conventional heating system or heating circuit heat a motor vehicle as a heat source is integrated. With such an Ausle supply of a vehicle heating system result in particular difficulties if there is insufficient charging the heat accumulator during vehicle operation, such as for short-distance trips, such as city trips, in winter operation can be ensured because then no heat to the vehicle indoor heating, for example, is available. For all of these cases require additional facilities, such as additional electrical heating devices in the heat accumulator but have a high energy consumption and therefore external, d. H. do not need to be powered by the vehicle battery. This means independence from external supply is possible no longer exist in the heating systems, wel one of the advantages of an engine-independent and heaters operated with flowable fuel Vehicles.

For fuel-independent and engine-independent gig operable vehicle heaters, which in an engine Coolant circuit of a motor vehicle are integrated where the coolant in the coolant as a liquid heat transfer medium cycle, it has been shown that after the vehicle commissioning and starting the engine independently a delay in the heating device, until a noticeable heat emission for interior heating or for window defrosting occurs. Because of the lack of visibility of the Driver due to icy windows can this Vehicle safety will be compromised. Furthermore, too Losses in terms of driving comfort in terms of To accept the temperature in the vehicle interior. Partially  these difficulties can be solved by a pre-program Overcoming the lubrication and preheating of the vehicle the vehicle heater can be operated independently of the engine on ge know preheating times before starting the vehicle can be adjusted. Such preheating is mainly only advantageous if you at least roughly the time of vehicle commissioning beforehand can determine.

The invention therefore aims to overcome the previously described difficulties in vehicle heating system with a heater that can be operated independently of the engine to provide an engine coolant circuit which is fast Heat for vehicle interior heating and / or for the windows de-icing and / or engine pre-heating supplies to one on the one hand the traffic safety of the vehicle and on the other hand improve vehicle comfort. In particular, too an engine operation with cheaper exhaust gas calorific values due Shortened warm-up phase made possible by engine preheating will.

According to the invention, a vehicle heating system is distinguished for this System with a heater that can be operated independently of the engine in a heater connected to an engine coolant circuit is integrated in the vehicle's own heat Transmitter for vehicle interior heating is arranged there by from that for quick vehicle interior heating and / or engine preheating the engine independent heater with a arranged in the heating circuit heat storage is coupled.

In the vehicle heating system according to the invention a combination of engine-independent and with flowable fuel operated heater and a heat memory provided, which cooperate in such a way that with a high heat requirement for the vehicle interior tion and / or engine preheating after vehicle operation took essentially simultaneously with the vehicle operation  operation and / or when starting the engine independently heatable heater from heat storage for heating purposes and / or for engine preheating, whereby a rapid heating of the entire heating circuit of the vehicle heating system and / or the entire coolant circuit is achieved. Thus, in the driving according to the invention Stove heating system the period until the delivery of heat thanks to the vehicle heater, which can be operated independently of the engine Bridged with the help of the provided heat storage, so that after a very short time after vehicle operation take heat for the vehicle interior heating or for the windows de-icing and / or engine preheating is available. When driving the vehicle, the fiction allows vehicle heating system a heat deficit compensation, because the heat accumulator after a corresponding charge the engine waste heat together with the engine-independent be drivable heater can provide heat, by means of which a large heat requirement can be met.

If the vehicle heating system according to the invention by the Linking the effects of independent heating device and heat storage is used for engine preheating, read sen with the vehicle heating system according to the invention also clear cold start problems or the like to the engine to the cheapest operating temperature as soon as possible bring to. This can reduce the pollutant engine output can be achieved. In addition, this can Realize solution with smaller heat storage, the one May contain salt with a higher melting temperature.

The heat store is preferably in the case of the invention Vehicle heating system in the coolant circuit to the engine dependent operable heater downstream. This will on the one hand achieved that the heat storage its heat to egg ne the smallest possible amount of liquid to the vehicle  can give gene heat exchanger, so that one if possible low heat loss and thus an effective use of the Heat emitted heat for heating the vehicle interior. On the other hand, this interpretation also allows the possibility of storing the heat through the motorunab to deliver the heat energy supplied to the operable heater charge if the heating requirement for the vehicle interior heating by the heater that can be operated independently of the engine thermal energy is exceeded. By this interpretation are therefore the charging options of such Heat storage expanded by the fact that the same over the engine-independent heater in addition to the white Other ways of charging via engine waste heat the engine exhaust or the coolant circuit can take place.

In this context, it has proven to be particularly advantageous pointed, operate the heat accumulator independently of the engine bare heater and / or the engine waste heat depending on the heat conditions when driving the vehicle to load. Preferably, the vehicle heating system is according to the Procure invention so that with the start of the engine independently operated heater of the heat storage from Is flowed through heat transfer medium for heat emission. By this design allows the heat accumulator to be saved Heat directly to the heat transfer medium, such as the coolant give favorable efficiency.

Preferably in the vehicle heating system according to the invention system to operate a solenoid valve control independently of the engine cash heater and the heat accumulator assigned such that the engine-independent heater and / or the heat memory can be switched on and off from the heating circuit are feasible. With this solenoid valve control an effec tive working of the conventional vehicle heating system be ensured if this to cover the heat requirement  is sufficient, because in this case with the help of the magnetic control the engine-independent heater and / or the Heat storage in the heating circuit can be bypassed.

The solenoid valve control is preferably designed such that depending on the heat demand, first the heat accumulator and then switches on the heater, which can be operated independently of the engine. Here through can effectively from the heat storage to Provided heat for heating purposes at the vehicle heater tion system can be used according to the invention.

A preferred embodiment of the vehicle heating system is characterized by the fact that it operates independently of the engine bare heater and the heat storage to an independent Heating unit are summarized. This simplifies in particular the installation of the heating device according to the invention tion in a vehicle heating system because the combination of engine-independent heater and heat storage as Insert block only in the heating circuit or cooling middle circuit of an internal combustion engine to who that needs.

To ensure the most effective interior heating possible with the inventor enable vehicle heating system according to the invention and here in particular the flow rate of the liquid heat transfer to the vehicle's own heat exchanger as low as To keep possible is preferably the arrangement of motor independently operable heater and heat storage a ge dedicated heat exchanger part assigned as a separate Component to the heat exchanger of the vehicle's own heating circuit is planned. The arrangement here consists of a motor independently operable heater and heat storage in ver bind an egg with this separate heat exchanger part gene circuit, which is so switchable that it is fast heating the vehicle interior as an island cycle to the  conventional heating circuit is provided in the vehicle. The arrangement preferably forms in this island circuit from the engine-independent heater and heat storage cher a unit.

For controllable coupling and decoupling of the own circuit the arrangement with the heater, which can be operated independently of the engine and the heat accumulator and the heat exchanger part on and from The vehicle's own heating circuit is pre-magnetized see. This allows the corresponding controls to be fine can be realized with feeling and speed.

To start up the vehicle heating system according to the invention system can telecontrol systems, preprogrammable time dialing devices, such as timer, or the like. Who used the. It can also be used as a start command for commissioning the Vehicle heating system according to the invention a door lock bet with additional functions that come into consideration is chosen that the door lock release by a be knew intended to start the vehicle additional command is triggered. By one or a comm A combination of several of these options can be used for vehicle heating system is put into operation, and the further operation then takes place depending on the temperature and / or depending on the heat requirement. Through this coupling in terms the control and activation of the vehicle heating system can be a user-friendly operation of the vehicle heating system also for preheating the vehicle interior and / or achieve the internal combustion engine.

The vehicle heating system is preferably a temperature dependent working control assigned to the outlet side a temperature sensor on the vehicle's own heat exchanger for recording an outlet-side temperature and a  entry-side temperature sensor for detecting the one has the outlet-side temperature of the heat accumulator, so that with a suitable control device under consideration adjustment of the heating requirement of the auxiliary heating operation via the motor depending operable heater and / or the heat storage is so controllable that you can quickly warm up the driving interior and / or the engine coolant and thereby the internal combustion engine achieved.

Via a temperature-dependent controllable valve, according to a preferred embodiment of the vehicle heater depending on the coolant temperature Kit heating with the heater, which can be operated independently of the engine and the heat accumulator primarily for engine preheating puts. With this design, the engine preheating can Priority over heating the vehicle interior ge will give. This temperature-dependent controllable valve is preferably at the junction of vehicles heating circuit and the outlet side of the additional heating with the engine-independent heater and the Arranged heat storage. If necessary, a Kopp tion with an associated and that of coolant flow-controlling solenoid valve can be provided, especially in the event that the built-in vehicle Heat exchanger comprises two heat exchanger parts.

The vehicle heating system is preferably designed in this way sets that before working the auxiliary heater with the engine independently operable heater and the heat storage the Coolant circulation pump for coolant circulation at least is turned on by the heat accumulator. With this cooling medium circulation pump can be one for the additional heat act certain additional circulation pump, or it is that is already present in the coolant circuit of the vehicle Circulation pump. This measure ensures that one ins  especially in connection with a temperature dependent Control reliable and meaningful temperature values on the possibly provided temperature sensors receives, and at least that emitted by the heat accumulator Heat immediately to heat the interior and / or the Internal combustion engine is used.

The invention is based on preferred Ausfüh tion forms with reference to the accompanying drawing explained in more detail. It shows:

Fig. 1 is a schematic block diagram of a prior ferred embodiment of a vehicle heating system according to the invention,

FIGS. 2a and 2b are diagrams for illustrating the function of the heating system as shown schematically in Fig. 1 according to the invention,

Fig. 3 is a schematic block diagram of another preferred embodiment of a vehicle heating system according to the invention,

FIG. 4 shows a flow chart to illustrate a preferred operating sequence for controlling the vehicle heating system according to the invention, and

Fig. 5 is a flowchart to illustrate a temperature-dependent control before giving a temperature difference as a target value.

The same or similar parts are in the figures of the drawing provided with the same reference numerals.

In Fig. 1, a vehicle heating system 1 is schematically shown according to a preferred embodiment of the invention, the standing in an engine coolant circuit and in conjunction therewith conventional heating circuit of a traveling toy, which is not shown in detail, is integrated. 2 shows an in-vehicle heat exchanger of the conventional heating circuit, through which the coolant flows as a liquid heat transfer medium, and by means of which heat can be released from the liquid heat transfer medium to a heating air which is then passed into the vehicle interior. 3 designates a coolant circulation pump, which can be the coolant circulation pump that is usually present in the coolant circuit of a vehicle or an additional circulation pump that is seen before. In the feed line branch to the vehicle's own heat exchanger 2 , a heater 4 that can be operated independently of the engine and operated with liquid fuel and a heat store 5 are provided in succession. With the help of a solenoid valve assembly, which includes the magnetic valves MV 1 and MV 2 , the motor-independently operable vehicle heater 4 and / or the heat accumulator 5 can be decoupled from the coolant circuit and / or from the conventional vehicle heating circuit or can be coupled to the same.

2a and 2b, an operation of the vehicle to the invention OF INVENTION heating system 1 will be explained in more detail by an example with reference to FIGS.. In Fig. 2a the amount of heat is carried up over time, while in Fig. 2b the temperature difference over time is shown using an example.

If the motor-independent operable heater 4 is started by means of an ON signal according to FIGS . 2a and 2b, the heat accumulator 5 is simultaneously flowed through by the liquid heat transfer medium. The heat accumulator 5 then gives off a heat amount of heat accumulator to the liquid heat transfer medium in the heating circuit, so that the entire liquid heat transfer medium is quickly warmed up by the flowing circuit. From Fig. 2a it can be seen that immediately after the generation of the ON signal, a large amount of heat shown as a peak from the heat storage 5 is available, so that after a short time of, for example, about 20 s, a temperature difference at the vehicle's own Heat exchanger 2 occurs, for example, about 60 K. Thus, the vehicle interior can be heated quickly via the vehicle's own heat exchanger 2 thanks to the inventive design of the vehicle heating system 1 , so that heat is available, for example, quickly after starting the vehicle, by means of which the windows can be de-iced or the engine can be preheated.

After a certain time t1 heat is then also generated by the heater 4, which can be operated independently of the engine, and is released to the liquid heat transfer medium in the heating circuit, so that the heater 4, which can be operated independently of the engine, takes over the function of the heat supplier before the heat store 5 is completely discharged. In the vehicle heating system according to the invention, a high heat requirement is therefore first and quickly covered by the heat emitted by the heat accumulator 5 after the vehicle has been started up, and then the heating output is essentially taken over by the heater 4 , which can be operated independently of the engine.

With the aid of the solenoid valve arrangement shown in FIG. 1, which comprises the solenoid valves MV 1 and MV 2 , various functions of the vehicle heating system 1 according to the invention can be controlled, so that, for example, such a function can also be implemented that the arrangement consists of a heater 4 that can be operated independently of the engine and heat accumulator 5 can be avoided by the flow through the liquid heat transfer medium if the heat supplied by the conventional heating system is sufficient to heat the vehicle interior. Another control mode, which can be realized in this way, is designed so that the mo toroperable heater 4 is used for charging or as recharging the heat accumulator 5 , so that the water is always charged even for short distances and city trips in cold winter operation and even after short downtimes of the vehicle can then give off heat to the system again for rapid vehicle interior heating.

In Fig. 3 an embodiment of a vehicle heating system 1 'is shown. In this vehicle heating system 1 ', the motor-independently operable heater 4 and the heat accumulator 5 are combined to form a functional and structural unit in the form of an energy block which is integrated as a whole into the coolant circuit of an internal combustion engine of a vehicle for heating purposes. In the vehicle, a built-in heat exchanger 2 'comprises two heat exchanger parts 6 , 7 in this example. The heat exchanger part 6 is assigned to the conventional heating circuit of a vehicle. The heat exchanger part 7 is assigned to the liquid heat transfer circuit for the embodiment of the inventive vehicle heating system 1 '. The energy block or the func- tional and structural unit 8 from motor-independently operable heating device 4 and heat accumulator 5 forms together with the heat exchanger part 7 a kind of island circuit in which the liquid heat transfer medium can be guided in a closed circuit, around which with the help the engine-independent operable heater 4 and the heat accumulator 5 to be warmed up liquid heat transfer medium, which is circulated, to be kept as low as possible. As a result, the degree of effectiveness of the heat transfer process occurring on the heat exchanger part 7 in the air for vehicle interior heating can be improved. Via the solenoid valve arrangement shown there with the solenoid valves MV 1 and MV 2 , such a switching mode can also be realized that the arrangement of heater 4 , which can be operated independently of the motor, and heat accumulator 5 can be used for engine preheating if necessary, in which a flow connection for the liquid heat transfer medium from the island circuit and the coolant circuit via the engine is produced. Furthermore, this control solenoid valve arrangement can also be used to ensure that the island circuit is uncoupled when the conventional driving tool heating system is sufficient to cover the heat requirement in the vehicle interior.

In Figs. 1 and 3 are a temperature sensor for detecting an exit-side temperature T ₁ of in-vehicle heat exchanger 2, 2 'and a temperature sensor for detecting the entrance-side temperature _T2 of the heat accumulator 5 is shown. Further, a temperature dependent controllable Ven til 9 is running at the junction of the car's own heating circuit and the outlet side of the auxiliary heater, which comprises the motor independently operable heating device 4 and the thermal storage cher 5, is provided. Depending on the coolant temperature T _KW , this valve 9 gives priority to either the engine preheating or the vehicle interior heating when it is heated using the auxiliary heater. Due to the controllability of the valve 9 , mixtures with the engine coolant circuit and / or the heating circuit can also be made taking into account predetermined additional boundary conditions.

Based on Fig. 4 is explained in detail 1 'in a flow chart a ferred before control, the inventive desalination plant Fahrzeughei 1. Several different criteria can be used to start the operating sequence or to activate the additional heating. In a vehicle heating system with a telecontrol device, this can be put into operation via a transceiver system. Furthermore, a preselectable switch-on time can be set via a time preprogramming, or a flexible preheating time period can be determined via the preselection device depending on the interior temperature and / or the outside temperature such that the vehicle interior and / or or the internal combustion engine is preheated to the desired temperatures. As an alternative, the vehicle heating system can also be started by unlocking the door lock and possibly a further additional function, which is expediently chosen such that the intention to put the vehicle into use is actually confirmed by the door lock actuation. For example, the door lock can be operated first in the egg nen direction and then in the opening direction.

After this starting, the vehicle heating system 1 , 1 'is ready for operation according to the invention. Then, for example, the circulation pump 3 or, if appropriate, a separate and additionally provided circulation pump is switched on, so that the coolant passes at least through the heat accumulator 5 of the vehicle heating system 1 , 1 '. In a next step, the outside / inside temperature, the fluid temperature or a target temperature are read in during the control process.

The target temperature can be predetermined by means of a thermostat, or it is possible to read in via a characteristic field in which the target temperature is specified and predefined as a function of further parameters. In a next step, a heat requirement is then determined, for example, taking into account the previously read-in temperature data and a comparison of target and actual values. In a further step it is then queried whether the temperature T ₁ on the outlet side of the vehicle's own heat exchanger is sufficient to cover the heat demand determined in the previous step or not. If this temperature T _{1 is} insufficient for covering the heat requirement, the additional heating of the vehicle heating system 1 , 1 'is put into operation. This additional heating comprises the engine-independent heater 4 and the heat accumulator 5 coupled therewith. The process sequence then goes back to a branching point with a feedback loop, so that the outside / inside temperatures are again read in a chronologically predetermined sequence and the heat requirement is then determined. If it is then determined in the query that T ₁ is sufficient for the determined heat requirement, the program flow then jumps back to the point before the temperature data was read in, but the additional heating is not in operation in this case.

Fig. 5 shows a variant that is intended in particular for charging the heat accumulator 5 of the auxiliary heater regardless of the operation of the vehicle. This programmatic sequence is initiated with START when, for example, the vehicle is parked. The ignition key position can be selected as the decisive criterion for this. In a subsequent query, it is then checked whether the difference from the inlet-side temperature T _{2 of} the heat accumulator 5 and the outlet-side temperature T _{1 of} the vehicle's heat exchanger 2.2 'is greater than or equal to a predetermined target value Δ T _target or not. If the result of this query is YES, the additional heating is switched off, which comprises the heater 4 which can be operated independently of the engine and the heat accumulator 5 . If it then appears in a subsequent query that an intermediate charge of the heat accumulator 5 is desired, the program jumps back to the beginning and runs through the temperature query. If, on the other hand, no intermediate charging is desired, the program run is ended.

If, on the other hand, intermediate charging is desired or the temperature query shows that the difference between the temperatures T ₂ -T _{1 is} smaller than the predetermined target value Δ T _target , the additional heating is switched on, and then the above will already be be described working methods of the same. This loop with the temperature query will then continue until the queries specified in the programmatic sequence are all fulfilled so that the program sequence is completed at the END.

Of course, the invention is not limited to the details of a preferred embodiment of the vehicle heating system 1 , 1 'described above, but rather numerous changes and modifications are possible which the person skilled in the art will make if necessary without departing from the inventive concept. In particular, of course, corresponding control and regulating valves in the heating circuit, in the island circuit and other circuit sections of the vehicle heating system 1 , 1 'can be provided in order to be able to adapt the vehicle heating system 1 , 1 ' to the desired functions. Essential to the vehicle heating system 1 , 1 'according to the invention is the fact that in the coolant circuit a motor-independently operable heater 4 and a heat accumulator 5 are integrated in a functional manner in addition to a conventional vehicle heating system.

Reference numerals

1, 1 ' vehicle heating system in total
2, 2 ′ vehicle's own heat exchanger
3 coolant circulation pump
4 Heater that can be operated independently of the engine
5 heat stores
6 heat exchanger part of the vehicle's own heat exchanger 2 '
7 heat exchanger part of the vehicle's own heat exchanger 2 '
8 heating unit
9 valve

Claims (15)

1. Vehicle heating system with a motor-independently operable heater ( 4 ) which is integrated in a heating circuit connected to an engine coolant circuit, in which a vehicle-own heat exchanger ( 2 , 2 ') is attached to the vehicle interior heating, characterized in that for fast vehicle interior heating and / or engine preheating, the engine-independently operable heater ( 4 ) is coupled to a heat accumulator ( 5 ) arranged in the heating circuit. 2. Vehicle heating system according to claim 1, characterized in that the heat accumulator ( 5 ) is connected downstream of the motor-independently operable heater ( 4 ). 3. Vehicle heating system according to claim 1 or 2, characterized in that the heat accumulator ( 5 ) is charged by the engine-independently operable heater ( 4 ) and / or the engine waste heat. 4. Vehicle heating system according to one of claims 1 to 3, characterized in that with the start of the mo independently operable heater ( 4 ) of the heat accumulator ( 5 ) is flowed through by the heat transfer medium to give off heat to this. 5. Vehicle heating system according to one of claims 1 to 4, characterized in that a solenoid valve control (MV 1 , MV 2 ) the motor-independently operable heating device ( 4 ) and the heat accumulator ( 5 ) is assigned such that the motor-independently operable heater ( 4th ) and / or the heat accumulator ( 5 ) can be switched on and disconnected from the heating circuit. 6. Vehicle heating system according to claim 5, characterized in that, depending on the heat demand, first the heat store ( 5 ) and then the motor-independently operable heating device ( 4 ) is switched on. 7. Vehicle heating system according to one of the preceding claims, characterized in that the motor-independent gig operable heater ( 4 ) and the heat accumulator ( 5 ) are combined to form an independent heating unit ( 8 ). 8. Vehicle heating system according to one of claims 1 to 7, characterized in that the arrangement of motor-independently operated heater ( 4 ) and heat accumulator ( 5 ) with a heat exchanger ( 2 ', 6 ) of the vehicle's own circuit provided separately heat exchanger part ( 7 ) forms its own cycle. 9. Vehicle heating system according to claim 8, characterized in that the arrangement of the motor-independently operable heater ( 4 ) and the heat accumulator ( 5 ) and the associated heat exchanger part ( 7 ) with the heat exchanger ( 6 ) of the vehicle's circuit forms a Bauein unit . 10. Vehicle heating system according to claim 8 or 9, characterized in that the solenoid valves (MV 1 , MV 2 ) for controllable coupling and uncoupling of the internal circuit from the arrangement of an independently operable heater ( 4 ), heat storage ( 5 ) and heat exchanger part ( 7 ) are provided on and by the vehicle's own heating circuit. 11. Vehicle heating system according to one of the preceding Claims, characterized in that the vehicle heating System using telecontrol devices, if necessary prepro is programmable, can be put into operation. 12. Vehicle heating system according to one of the preceding claims, characterized in that by means of a temperature-dependent control with detection or outlet-side temperature (T ₁ ) of the vehicle's heat exchanger ( 2 , 2 ') and the inlet-side temperature (T ₂ ) of the heat accumulator ( 5 ) and taking into account the heat requirement of the auxiliary heater via the heater ( 4 ) and / or the heat store ( 5 ) is controllable. 13. Vehicle heating system according to one of the preceding claims, characterized in that, depending on the coolant temperature (T _Kw ), the additional heating with the mo torunoperable heater ( 4 ) and the Wärespei cher ( 5 ) can be used primarily for engine preheating. 14. Vehicle heating system according to claim 13, characterized in that a temperature-dependent controllable valve ( 9 ) is arranged at the junction of the vehicle's own heating circuit and the outlet side of the heater with the motor-independently operable heater ( 4 ) and the heat accumulator ( 5 ). 15. Vehicle heating system according to one of the preceding claims, characterized in that before working the additional heater with the motor-independently operable heating device ( 4 ) and the heat accumulator ( 5 ), the coolant circulation pump ( 3 ) for coolant circulation is switched on at least by the heat accumulator ( 5 ) .