DE102016011862A1 - Method for supplying respective storage devices of a motor vehicle - Google Patents

Abstract

The invention relates to a method for supplying respective storage devices of a motor vehicle (10), in which at least one of the storage devices is supplied with an associated energy source and / or operating means, wherein the following steps are carried out: conveying a respective demand for an energy carrier and / or a Resource characterizing demand signal (18) by means of a transmission unit of the motor vehicle to a vehicle-external supply device (20) for all energy sources and / or resources; and supplying the respective storage devices with the associated energy carrier and / or operating means as a function of the demand signal (18) by means of the supply device (20).

Description

The invention relates to a method for supplying respective storage devices of a motor vehicle specified in the preamble of claim 1. Art.

Methods for supplying respective storage devices of a motor vehicle with at least one energy source or operating medium are already known from the general state of the art, in which the respective storage device is filled with the at least one energy source or operating medium by means of a supply device. In this case, the supply device, a gas station or a part of a gas station, eg. B. be a dispenser with a nozzle. Such a feeding device usually has a storage device for providing the at least one energy carrier or operating means and a line system which is connected at one end to the storage device and at another end to an outlet pipe.

In most cases, the line system forms a connection between the storage device and the outlet pipe, through which the energy source or the equipment can flow. Next, the feeder has a conveyor, for. B. at least one arranged in the conduit system pump, and an operating device. To supply the respective storage devices of the motor vehicle, the outlet pipe is inserted or connected into a corresponding filling opening of the storage device. By triggering on the operating device, a supply process is started, wherein the at least one fluid is introduced into the storage device of the motor vehicle.

Furthermore, the EP 0 976 677 B1 and the EP 1 073 584 A1 each a method in which by means of a fuel nozzle, a first and a second fluid is introduced simultaneously into a respectively associated storage device, wherein the first fluid is a liquid fuel, for. B. gasoline or diesel, which is filled in a first formed as a tank storage device, and the second fluid is a liquid, for. B. aqueous urea solution for exhaust aftertreatment, which is filled in a second designed as a tank storage device.

Moreover, from the DE 199 02 013 A1 a method is known in which by means of a nozzle at the same time a fluid formed as a tank storage device and electrical energy can be supplied to an energy storage device designed as a storage device of the motor vehicle, wherein the fluid is a liquid fuel, for. As gasoline or diesel can be.

Modern trucks or vehicles require more than just one energy source and / or one resource to be refilled by an operator for proper operation. For example, modern diesel vehicles for exhaust aftertreatment to supply an aqueous urea solution. Vehicles that are wholly or partly powered by an electric motor, in particular plug-in hybrid vehicles, is also to supply electrical energy. Thus, the operator must supply the vehicle with multiple energy sources and / or resources, which leads to a risk of confusion, with an energy source and / or resources could be filled into a wrong or not the energy sources and / or resources associated storage device. Furthermore, several fuel nozzles or power plugs are connected in succession to the vehicle, which means low comfort. Furthermore, all of the energy sources and / or resources to be supplied to the vehicle may not always be provided at a single common fuel pump, so that the operator must drive to several fuel pumps in succession to fill the vehicle with multiple fuels and / or resources, before all storage devices of the vehicle have been completely refilled.

Object of the present invention is to develop a method of the type mentioned in such a way that a particularly comfortable and easy supplying the storage facilities of a motor vehicle with different energy sources and / or resources is made possible.

This object is achieved by a method having the features of claim 1. Advantageous embodiments with expedient developments of the invention are specified in the other claims.

In order to develop a method specified in the preamble of claim 1 type such that a particularly comfortable and easy supplying the storage facilities of a motor vehicle with different energy sources and / or resources is enabled, the invention provides, in a first step of a respective need for an energy source and / or to characterize a requirement signal characterizing a resource by means of a transmission unit of the motor vehicle to an external vehicle supply device for all energy carriers and / or resources. In a second step, the respective storage devices are supplied with the associated energy carrier and / or operating means as a function of the demand signal by means of the supply device.

In other words, it is inventively provided that a plurality of different energy sources and / or resources in a specially provided storage device of the feeder, the z. B. is designed as a pump, be provided. It is further contemplated that the delivery device receives a signal provided by the vehicle, e.g. B. sent out and / or transmitted. In this case, the signal contains information at least about the type and / or type of energy carriers and / or operating resources to be filled into the associated storage devices. The supply device then selects at least one of the energy carriers and / or at least one of the operating devices according to the information of the demand signal. That is to say, a portion of the line system assigned to the respective energy source and / or operating medium and / or a conveyor device associated with the respective energy source and / or operating medium, which z. B. may be formed as a pump is prepared by the feeder for a promotion of the energy and / or equipment.

After a proper connection of the feeder with the associated memory devices of the vehicle, which z. B. may be formed as tanks, at least in each case a part of which is located in the storage device of the feeder energy and / or resources transmitted to and in particular in the storage devices. For example, automatically starts a supply process, so that a particularly comfortable and easy supplying the storage facilities of a motor vehicle with different energy sources and / or resources is possible.

Furthermore, it is advantageous in the present invention that one of the energy carriers is provided as electrical energy. In the vehicle, which is at least inter alia drivable by means of an electric motor, electric energy or electric current is supplied to a storage device designed as an accumulator, d. H. an electric charging started. Due to the dispenser, which is adapted to supply the respective storage devices with a respectively associated energy source or a respective associated equipment and the accumulator with electric current, eliminating a time required for starting and operating several different dispensers.

In a further embodiment of the present invention, it is provided that the channel of the supply device has at least one channel element, through which a line formed for transmitting the electrical energy, at least indirectly electrically connected to one of the storage devices of the motor vehicle and connected to the channel element, via which the electric power is transferred from the feeder to the one of the memory devices to charge the one of the memory devices with the provided electrical energy. This means that the pump is a z. B. as at least partially flexible tube formed channel element, wherein in the channel a z. B. designed as a power line line runs. This includes an electrical circuit, d. H. Charging circuit, with the storage device designed as an accumulator of the vehicle and a voltage source associated with the supply device, for example a power grid. This makes it possible to supply electrical energy from the mains to the accumulator and to charge the accumulator. This is advantageous because a fuel nozzle is provided which can supply electrical energy and at least one further energy source and / or another operating medium to the respectively assigned storage device.

In addition, it has proved to be advantageous that all further energy sources and / or operating means which can be supplied to the respective storage devices by means of the supply device are provided as fluids. This means that in the vehicle to which several different energy carriers and / or operating resources are to be supplied for a proper, in particular legitimate operation, the respective storage devices are supplied to a common supply device to the respective energy sources and / or resources. There is no time required for starting up and serving other other dispensers for a complete supply of the respective energy sources and / or operating resources.

A further embodiment of the invention provides that all energy carriers and / or operating means selected according to the demand signal are simultaneously conveyed by respective associated channel elements comprising the channel, in order to simultaneously supply the respectively associated storage devices of the motor vehicle with the energy carriers and / or operating resources , In other words, all supply processes associated with an energy source and / or resource take place simultaneously. This means that the vehicle z. B. electrical energy in a first supply operation and liquid fuel in a second supply operation of the respective associated storage means are supplied. Accordingly, the first supply process takes place during the same time period in which the second supply process takes place. In this case, the first supply process can start and / or end simultaneously with the second supply process. Further the first and the second supply process can also take place simultaneously with the electrical charging process. This offers the advantage that there is no time required for several supply processes to be carried out one after the other.

Further advantages, features and details of the invention will become apparent from the following description of a preferred embodiment and from the drawing. The features and feature combinations mentioned above in the description as well as the features and feature combinations mentioned below in the figure description and / or alone in the single figure can be used not only in the respectively indicated combination but also in other combinations or alone, without the frame to leave the invention.

The single FIGURE shows a schematic view of a motor vehicle, which is arranged next to a supply device, which serves to provide the motor vehicle with different resources and electrical energy.

In the figure, identical or functionally identical elements are provided with the same reference numerals.

The figure shows a schematic view of a vehicle 10 and a feeder 20 , The vehicle 10 may in particular be designed as a motor vehicle or motor vehicle, which is driven by an internal combustion engine and / or at least one electric motor.

During a fired operation of the internal combustion engine, a combustion chamber, which is usually designed as a cylinder, air and fuel supplied to operate the internal combustion engine. As a result, a fuel-air mixture is formed in the combustion chamber, which is burned. This results in exhaust gas of the internal combustion engine.

During driving of the vehicle by means of the at least one electric motor, a circuit is closed with the electric motor and an energy store of the vehicle, which can be designed as an accumulator, so that the electric motor converts electrical energy into mechanical work.

For a desired orderly, in particular also rule-compliant or legitimate operation of the motor vehicle, it is to be supplied with a large number of energy carriers and / or operating resources. Including z. For example, at least one fuel for operating the internal combustion engine, electrical energy for operating an electric motor or an aqueous urea solution, known under the brand name AdBlue, for a legally prescribed exhaust aftertreatment. Further examples of energy carriers and / or resources are z. As gaseous fuels such as LPG or CNG, and water, which can be injected into an intake of the engine to lower a temperature of the air before it is supplied to the combustion chamber.

The vehicle has a central connection point or supply opening 12 which is commonly concealed by means of a flap, not shown. The supply opening 12 has at least one filling opening 14 which forms an inlet for at least one vehicle-mounted storage device, which is set up to receive an energy source or a resource. In the vehicle, a plurality of storage devices may be used, each associated with an energy source or resources. The memory devices can each z. B. be designed as a fluid tank or as an accumulator for electrical energy. Furthermore, the vehicle comprises a vehicle-side line system through which the respective energy sources and / or resources are respectively assigned associated, consumers connected thereto. Such consumers can z. B. the internal combustion engine, the electric motor or an injection system for the exhaust aftertreatment. Furthermore, a sensor device for each storage device, which is designed as a fluid tank, separately detects at least one fill level of the respective energy carrier or operating medium stored therein.

The supply opening 12 further has a connection device 16 on which z. B. may be formed as an at least two-pole socket, and which is adapted to an electrical connection with a matching counterpart, z. B. a plug 22 manufacture. The connection device 16 forms together with the storage device, which is designed as an accumulator, a part of a charging circuit. The sensor device further detects at least the state of charge of the storage device designed as an accumulator.

A transmitting unit is at least indirectly connected to the sensor device and is set up, a demand signal 18 to send out, which contains information that has been detected by the sensor device, for. B. information about the level and / or about a kind of energy storage device and / or resources in the storage device and the state of charge of the accumulator.

The feeder 20 which a gas station or a part of a gas station, z. B. may be a gas pump, comprises a storage device 24 containing a variety of containers 26 wherein, in each case different fluids are stored. Next, the feeder 20 a conveyor unit 28 on which in a supply-side piping system 30 is arranged, and separately with each one of the containers 26 is fluidically connected. The conveyor unit 28 can z. B. have as many pumps as containers 26 available. A control device 32 is at least indirectly with the conveyor unit 28 connected and set up, the demand signal 18 to receive and read out its information and evaluate the conveyor unit 28 to control.

Next, the feeder 20 a channel 34 on, between an output of the conveyor unit 28 and an outlet tube 36 produces a fluid connection. The outlet pipe 36 and the plug 22 can in a common assembly, eg. B. a connection device 38 , which can also be referred to as transfer point, be summarized. The transfer point can z. B. be designed as a multi-functional nozzle, which allows an operator, at the same time the plug 22 in the connection device 16 and the outlet pipe 36 in the filling opening 14 introduce.

To now a particularly comfortable and easy supply of the storage facilities of the motor vehicle 10 with different energy sources and / or equipment, the following steps are carried out:
In a first step, a demand signal characterizing a respective requirement for an energy source and / or a resource is determined 18 by means of a transmitting unit of the motor vehicle 10 to an external vehicle feeder 20 for all energy sources and / or resources. In other words, the feeding device 20 communicated which energy source and / or which resource is to be supplied to the respectively associated storage device.

In a second step, the respective one of the storage devices with the associated energy carrier and / or operating means as a function of the demand signal by means of the supply device 20 through a canal 34 provided. This means that the feeder 20 the previously according to the demand signal 18 selected energy sources and / or resources by means of the conveyor unit 28 through the channel 34 the associated memory devices supplies. The energy sources and / or resources are thus at least through an outlet pipe 36 and / or a plug 22 the connection device 38 introduced into the associated memory devices.

It has also proven to be advantageous that one of the energy carriers is provided as electrical energy or electric current. That means, by means of the plug 22 the storage device configured as an accumulator is supplied with electrical energy, so that the accumulator is charged.

Further, in the figure, the channel 34 the feeder 20 shown. This has at least one channel element through which a line formed for transmitting the electrical energy, runs. The line is at least indirectly with one of the storage devices of the motor vehicle 10 electrically contactable and connected to the channel element. Over the line is from the feeder 20 the electrical energy is transferred to the one of the storage devices in order to charge the one of the storage devices with the electrical energy provided. Moreover, it is advantageous that all others by means of the feeding device 20 the respective storage devices can be supplied to energy sources and / or resources are provided as fluids. That is, by means of the feeder 20 In the storage facilities fillable energy sources and / or resources are, apart from the electrical energy, in a liquid or a gaseous form.

Furthermore, all according to the demand signal 18 selected energy sources and / or resources simultaneously by respectively associated channel elements that the channel 34 includes, are promoted to the respective associated storage facilities of the motor vehicle 10 with the energy sources and / or resources at the same time.

The method described herein allows a particularly comfortable and easy supply of the storage devices of the motor vehicle 10 which requires mutually different energy sources and / or resources, with different energy sources and / or resources, since the connecting device 38 alone in the filling opening 14 and a selection and quantity metering from the feeder 20 is carried out. Thus, it is prevented that the operator erroneously z. B. fills a fluid designed as a resource in a wrong tank, z. As gasoline in a diesel tank, which would lead to damage to the vehicle. In addition, an effort for the operator is reduced, since all by means of the demand signal 18 Required energy and / or resources simultaneously from the feeder 20 be supplied to the respective storage devices. Furthermore, in particular in vehicles in which a memory device designed as an accumulator is used, an additional expenditure of time for charging the accumulator is reduced, since the latter is charged simultaneously during each supply process.

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 0976677 B1 [0004]
• EP 1073584 A1 [0004]
• DE 19902013 A1 [0005]

Claims (5)

Method for supplying respective storage devices of a motor vehicle ( 10 ), in which at least one of the storage devices is supplied with an associated energy source and / or operating means, characterized by the steps of transmitting a demand signal characterizing a respective requirement for an energy source and / or a resource to a vehicle-external supply device by means of a transmission unit of the motor vehicle ( 20 ) for all energy sources and / or resources; and supplying the respective storage devices with the associated energy carrier and / or operating means as a function of the demand signal by means of the supply device ( 20 ) through a channel ( 34 ). A method according to claim 1, characterized in that one of the energy carriers is provided as electrical energy. Method according to claim 1 or 2, characterized in that the channel ( 34 ) of the feeding device ( 20 ) has at least one channel element, through which a trained for transmitting the electrical energy, at least indirectly with one of the storage devices of the motor vehicle ( 10 ) electrically contactable and connected to the channel element line passes, via which of the feeder ( 20 ) the electrical energy is transmitted to the one of the storage devices to charge the one of the storage devices with the provided electrical energy. Method according to claim 3, characterized in that all further energy carriers and / or operating means which can be supplied to the respective storage devices by means of the supply device are provided as fluids. Method according to one of the preceding claims, characterized in that all of the energy carriers and / or operating means selected according to the demand signal are conveyed simultaneously by respectively associated channel elements, which the channel ( 34 ) are promoted to simultaneously supply the respective associated storage devices of the motor vehicle with the energy carriers and / or resources.

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