DE102017203462A1 - Storage tank, tempering, method for producing a storage container and tempering - Google Patents

Abstract

In order to provide a storage container which is easy to manufacture and has an optimized internal structure, it is proposed that the storage container comprises: an outer wall surrounding an interior of the storage container; one or more receiving tubes arranged in the interior of the storage container for receiving a storage material; Storage port, by means of which a storage area, which is arranged within the one or more receiving tubes, is accessible from outside the storage container; and / ora distribution structure, by means of which a fluid-effective connection between the storage port on the one hand and the storage area within the one or more receiving tubes is made, wherein a) the outer wall and / or b) the one or more receiving tubes and / or c) the Storage connection and / or d) the distribution structure together in one piece and / or jointly in a single process step, for example in a 3D printing process or in an extrusion process, are prepared.

Description

The present invention relates to a storage container which can be used, for example, for storing hydrogen. The storage container can be used in particular in a temperature control device, which in turn can be used in a vehicle, for example a bicycle.

A device and a method for fuel cell cold start with metal hydrides, for example, from DE 103 17 123 B4 known.

The present invention has for its object to provide a storage container, which is easy to produce and has an optimized internal structure.

• eine Außenwandung, welche einen Innenraum des Speicherbehälters umgibt;
• ein oder mehrere im Innenraum des Speicherbehälters angeordnete Aufnahmerohre zur Aufnahme eines Speichermaterials;
• einen Speicheranschluss, mittels welchem ein Speicherbereich, welcher innerhalb des einen oder der mehreren Aufnahmerohre angeordnet ist, von außerhalb des Speicherbehälters zugänglich ist; und/oder
• eine Verteilerstruktur, mittels welcher eine fluidwirksame Verbindung zwischen dem Speicheranschluss einerseits und dem Speicherbereich innerhalb des einen oder der mehreren Aufnahmerohre andererseits hergestellt ist,
• wobei a) die Außenwandung und/oder b) das eine oder die mehreren Aufnahmerohre und/oder c) der Speicheranschluss und/oder d) die Verteilerstruktur gemeinsam einstückig und/oder gemeinsam in einem einzigen Verfahrensschritt, beispielsweise in einem 3D-Druckverfahren oder in einem Strangpressverfahren, hergestellt sind.

This object is achieved according to the invention by a storage container which comprises:

• an outer wall surrounding an interior of the storage container;
• one or more receiving tubes arranged in the interior of the storage container for receiving a storage material;
• a storage port, by means of which a storage area, which is arranged within the one or more receiving tubes, is accessible from outside the storage container; and or
• a distribution structure, by means of which a fluid-effective connection between the storage connection on the one hand and the storage region within the one or more collection tubes, on the other hand, is produced,
• wherein a) the outer wall and / or b) the one or more receiving tubes and / or c) the storage port and / or d) the distributor structure together in one piece and / or together in a single process step, for example in a 3D printing process or in a Extrusion process, are produced.

As a result, the memory may preferably have an optimized internal structure and also be easily manufactured.

A one-piece design is to be understood, in particular, as the production of the named components in such a way that no joints, welds, etc. are provided at transition areas between these components. In particular, by tomography, ultrasound, metallurgical grinding, etc., preferably no material transition or component transition can be determined.

In one embodiment of the invention, it is provided that the one or more receiving tubes are fixed to one another and / or to the outer wall by means of one or more webs.

In particular, the one or more receiving tubes are spaced apart from one another and / or spaced from the outer wall in the interior of the storage container by means of one or more webs and / or fixed.

It can be advantageous if the one or more receiving tubes, the one or more webs and the outer wall are produced together in one piece and / or jointly in a single method step, in particular in the 3D printing method or in the extrusion process.

By the production of individual or several components of the storage container as one-piece components and / or in a single process step preferably further post-processing can be avoided or at least the related effort can be reduced.

In particular, it can be provided that technically and / or geometrically complex components of the storage container are produced in one piece, for example in a 3D printing process.

In particular, it can be provided that the distribution structure taken alone or together with other components / components of the storage container is produced in a 3D printing process.

Preferably, welds can be avoided or at least reduced their number by the selected production. This results preferably in a lower error rate and a lower production price.

Preferably, geometrically small dimensions, narrow structures, etc. can be realized.

Alternatively or additionally, it may be provided that one or more components / components of the storage container by other methods, such as injection molding, casting in molds, etc., are produced.

The distributor structure is in particular a distributor spider, which has a multiple flow branching, in order in particular to be able to distribute medium supplied to the storage port to the receiving tubes.

In particular, it can be provided that the distribution structure comprises a flow branching from a storage connection to several connection channels.

The distributor structure is preferably arranged and / or formed in one of two end regions of the receiving tubes.

At an end region of the receiving tubes facing away from the distributor structure, these are preferably closed after filling them with storage material, in particular by means of closure elements, sealing caps or the like.

The one or more webs preferably form a heat conduction structure and / or a support structure of the storage container.

It may be provided that the storage container, in particular the outer wall, the one or more receiving tubes and / or one or more webs comprise or are formed from a metal material, in particular an aluminum material.

The aluminum material is in particular an aluminum alloy, for example AlSi10Mg.

The outer wall preferably has a wall thickness of at least about 0.8 mm, for example at least about 1 mm, preferably about 1.5 mm.

It may also be favorable if the material thickness of the outer wall is at most approximately 3 mm, in particular at most approximately 2 mm, for example approximately 1.5 mm.

The one or more receiving tubes preferably have a material thickness which is at least about 0.8 mm, preferably at least about 1 mm, and / or at most about 3 mm, for example at most about 2 mm. Preferably, the material thickness of the one or more receiving tubes is about 1.5 mm.

The term "approximately" as well as the term "at least approximately" means, in particular, a deviation of not more than 20%, for example at most 10%, of the respectively stated value.

A material thickness of the webs is preferably at least about 0.5 mm and / or at most about 2 mm, for example about 1 mm. Preferably, the material thickness of the webs is less than the material thickness of the outer wall and / or the one or more receiving tubes.

The one or more webs form in particular ribs and / or flow guide elements in the interior of the storage container, in particular a Umströmbereich surrounding the one or more receiving tubes.

It may be favorable if the storage container comprises seven receiving tubes, which in particular have identical diameters.

End caps are preferably arranged and / or formed on both sides with respect to a longitudinal axis of the storage container.

The end caps have, for example, a conical end section and / or a connection section for the supply and / or discharge of the medium to be stored and / or the heat carrier medium.

The outer wall and / or the one or more receiving tubes are preferably hollow cylindrical, in particular hollow circular cylindrical, formed.

It may be favorable if the one or more receiving tubes are filled with a hydride storage material, in particular in pellet form.

The storage material, in particular the hydride storage material, preferably has a graphite portion by means of which, in particular, a heat transfer can be optimized.

The receiving tubes for receiving the storage material are preferably dimensioned such that, for example, 300 g of storage material, in particular hydride storage material, can be received.

A total mass of the storage container without filling is preferably at least about 200 g, for example at least about 300 g, in particular about 350 g. Furthermore, it can be provided that the total mass is at most about 500 g, for example at most about 400 g.

The storage container is in particular a hydrogen storage container.

The storage material is preferably sodium borohydride, in particular a metastable sodium borohydride solution.

Furthermore, it can be provided that the storage material is magnesium hydride. In particular the magnesium hydride is a pasty storage material.

Furthermore, it can be provided that metal hydride, in particular La-Ni-based, is used as the storage material.

In addition, titanium-iron compounds may be provided as storage material.

A portion of the interior of the storage container surrounding the one or more receiving tubes, on the one hand, and one or more internal spaces of the one or more receiving tubes, for example, are preferably separated from one another by fluid action.

In particular, the storage container comprises separate access ports and / or connecting pieces or other connecting elements for the separate supply and / or discharge of media to the surrounding the one or more receiving tubes part of the interior on the one hand and to the interior of the one or more receiving tubes on the other.

The storage container, in particular of the one or more receiving tubes surrounding part of the interior of the storage container, preferably with a heat transfer medium can be flowed through. An input and an output for supplying or discharging the heat transfer medium are preferably arranged on opposite sides, in particular ends, of the storage container.

A medium to be stored can in particular be introduced or removed from the same via a single access into the interior space of the one or more receiving tubes.

An interior of the one or more receiving tubes forms in particular a storage area of the storage container.

A part of the interior surrounding the one or more receiving tubes forms, in particular, a flow-around region.

Preferably, the Umströmbereich can be flowed through with a formed for example as water or as a glycol or as a water-glycol mixture heat transfer medium.

The storage container according to the invention is particularly suitable for use in a tempering device for controlling the temperature of objects, in particular components of a vehicle.

The present invention therefore also relates to a tempering device, which preferably comprises one or more of the storage containers described above.

• einen Kreislauf für ein Wärmeträgermedium;
• einen in den Kreislauf eingebundenen zu temperierenden Gegenstand oder eine Schnittstelle zur Einbindung eines zu temperierenden Gegenstands in den Kreislauf;
• mindestens einen Speicherbehälter, insbesondere mindestens einen erfindungsgemäßen Speicherbehälter, wobei dem Speicherbehälter unabhängig voneinander zwei Medienströme zuführbar sind, wobei dem Speicherbehälter einerseits das Wärmeträgermedium zuführbar ist und wobei dem Speicherbehälter andererseits ein von dem Wärmeträgermedium verschiedenes zu speicherndes Medium zuführbar ist;
• eine Pumpe und ein oder mehrere Ventilvorrichtungen, mittels welchen das Wärmeträgermedium wahlweise und/oder nacheinander einem Wärmeübertrager, dem Speicherbehälter und/oder dem zu temperierenden Gegenstand zuführbar ist.

The temperature control device preferably further comprises the following:

• a circuit for a heat transfer medium;
• an item to be tempered in the circulation or an interface for incorporating an object to be tempered into the circuit;
• at least one storage container, in particular at least one storage container according to the invention, wherein the storage container independently two media streams are fed, wherein the storage container on the one hand, the heat transfer medium can be fed and wherein the storage container on the other hand a different from the heat transfer medium to be stored medium can be fed;
• a pump and one or more valve devices, by means of which the heat transfer medium is selectively and / or successively fed to a heat exchanger, the storage container and / or the object to be tempered.

Optionally, a heat exchanger integrated in the circuit for discharging or receiving heat by means of the heat transfer medium is preferably provided

The circuit for the heat transfer medium comprises in particular one or more lines, which in particular connect the heat exchanger, the storage container and / or the object to be tempered with each other. Preferably, the circuit is formed fluid-tight, closed to heat transfer medium and without being able to lead to the outside.

The circuit may comprise, for example, a surge tank, in particular to compensate for temperature-induced expansions of the heat transfer medium in the circuit.

The heat exchanger is in particular an air-liquid heat exchanger. In particular, a plurality of air-liquid heat exchanger units, for example so-called coolers, may be provided for providing the heat exchanger.

It may be beneficial if one or more fans (fans) are provided to pass ambient air through the heat exchanger and thus heat from the ambient air to transfer efficiently to the heat transfer medium or vice versa.

An article to be tempered is in particular a fuel cell device, a battery device, a power electronics device, for example a DC / DC converter, a control device and / or other temperature-critical components.

Of course, several items to be tempered can be integrated into the cycle.

By suitable control by means of the pump and / or the valve devices, the objects to be tempered can then in particular be tempered individually or simultaneously and / or independently, in particular by flowing through the objects to be tempered with the heat transfer medium.

The pump is in particular a liquid pump for driving the heat transfer medium formed in particular as a liquid.

In particular, the pump is a conventional water pump.

In one embodiment of the invention can be provided that the temperature control comprises a control device by means of which the pump and / or the one or more valve devices are placed in a heating mode, in which a) the storage medium to be stored medium and heat transfer medium is supplied and b) the heat transfer medium is then fed to the object to be tempered.

The feeding of the medium to be stored to the storage container results in particular in an exothermic reaction in the one or more receiving tubes. The heat released in this case is transferred, in particular, to the heat transfer medium passed through the storage tank and finally used for tempering the object to be tempered.

Alternatively or additionally, it can be provided that the temperature control device comprises a control device, by means of which the pump and / or the one or more valve devices can be placed in a cooling mode, in which a) the storage tank heat transfer medium is supplied, b) the medium to be stored is removed from the storage container and c) the heat transfer medium is then supplied to the object to be tempered and / or the heat exchanger.

The removal of the medium to be stored from the storage container results in particular in an endothermic reaction, so that heat transfer medium passed through the storage container is cooled. This cooled heat transfer medium can finally be used to temper the article. Alternatively or additionally, it can be provided that heat is transferred from the environment to the heat transfer medium by means of the heat exchanger and fed to the storage container for discharging the storage device.

Further, for example, in addition to the use of the storage container or bypassing the storage container may be provided that received by the heat transfer medium heat from the object to be tempered and delivered by means of the heat exchanger to the environment.

The tempering device is particularly suitable for use in a vehicle, such as a bicycle.

The bicycle is in particular an electrically operated or electrically assisted bicycle, tricycle or four-wheeler. For example, a two-wheeled or three-wheeled or vierrädriges cargo bike.

• eine Brennstoffzellenvorrichtung;
• ein Reservoir zur Speicherung von Brennstoff für die Brennstoffzellenvorrichtung;
• eine Temperiervorrichtung, insbesondere eine erfindungsgemäße Temperiervorrichtung, zum Temperieren der Brennstoffzellenvorrichtung und/oder eine Batterievorrichtung und/oder einer Leistungselektronikvorrichtung und/oder einer Steuervorrichtung.

Preferably, the vehicle includes:

• a fuel cell device;
• a reservoir for storing fuel for the fuel cell device;
• a tempering device, in particular a tempering device according to the invention, for controlling the temperature of the fuel cell device and / or a battery device and / or a power electronics device and / or a control device.

The tempering device is also preferably also for motor vehicles, especially passenger cars, etc. usable.

The present invention further relates to a method of manufacturing a storage container.

The invention is in this respect the task of providing a method by which a storage container with optimized internal structure is easy to produce.

This object is achieved according to the invention by providing the following in the method for producing a storage container: a) an outer wall and / or b) one or more pick-up tubes and / or c) a storage port and / or d) a distribution structure as a one-piece component and / or in a single process step, for example in a 3D printing process or in an extrusion process.

The method according to the invention preferably has one or more of the features and / or advantages described in connection with the storage container, the temperature control device and / or the vehicle.

It may be favorable if the outer wall and the one or more receiving tubes are produced together with webs for connecting and / or fixing the one or more receiving tubes to the outer wall.

The outer wall and the one or more receiving tubes are preferably made of a metallic material, in particular of an aluminum material, for example an aluminum alloy.

1. a) Herstellung einer Außenwandung
2. b) Herstellung von Aufnahmerohren
3. c) Herstellung von Stegen
4. d) Herstellung einer Verteilerstruktur
5. e) Herstellung eines Speicheranschlusses
6. f) Herstellung einer ersten Endkappe
7. g) Herstellung einer zweiten Endkappe
8. h) Herstellung von Verschlusselementen
9. i) Verbinden von mehreren, insbesondere sämtlichen, der vorstehend genannten Bauteile/Komponenten a) bis f) des Speicherbehälters
10. j) Befüllen der Aufnahmerohre mit Speichermaterial
11. k) Anordnen der Verschlusselemente zum einseitigen Verschließen der Aufnahmerohre
12. l) Anordnen einer oder mehrerer Endkappen, insbesondere durch Festschweißen oder Verkleben.

In particular, one or more or all of the method steps described below can be carried out to produce the storage container:

1. a) Production of an outer wall
2. b) Production of receiving tubes
3. c) Production of webs
4. d) Production of a distributor structure
5. e) Production of a storage connection
6. f) Preparation of a first end cap
7. g) Preparation of a second end cap
8. h) Production of closure elements
9. i) connecting a plurality, in particular all, of the abovementioned components / components a) to f) of the storage container
10. j) filling the receiving tubes with storage material
11. k) arranging the closure elements for unilaterally closing the receiving tubes
12. l) arranging one or more end caps, in particular by fixed welding or gluing.

It may be favorable if the method steps a) to f) are carried out together as a single method step.

Furthermore, it can be provided that at least the method steps a) to e) are carried out as a common method step.

The method step for producing a plurality of components / components of the storage container is in particular a 3D printing method or extrusion method.

In particular, if only some of the components / components a) to h) are produced together in a single process step, a connection with the other components / components is preferably produced in a subsequent process step, in particular a welded joint or adhesive bond.

The present invention further relates to a tempering method for controlling the temperature of an object to be tempered.

The invention is in this respect the task of providing a tempering, which allows a simple and efficient temperature control of objects.

• Erhitzen eines Wärmeträgermediums durch Hindurchführen desselben durch einen Speicherbehälter, in welchen zeitgleich ein weiteres Medium zur Speicherung desselben eingeleitet wird; oder
• Abkühlen eines Wärmeträgermediums durch Hindurchführen desselben durch einen Speicherbehälter, aus welchem zeitgleich ein darin gespeichertes Medium entnommen wird;
• Zuführen des Wärmeträgermediums zu einem zu temperierenden Gegenstand.

The object is achieved according to the invention by a tempering method which comprises the following:

• Heating a heat transfer medium by passing it through a storage container, in which at the same time another medium for storing the same is introduced; or
• Cooling a heat transfer medium by passing it through a storage container from which at the same time a medium stored therein is removed;
• Feeding the heat transfer medium to an object to be tempered.

For this purpose, in particular a storage material is arranged within the storage container which reacts exothermically together with the further medium and / or which reacts endothermically when a medium stored therein is removed.

The storage material is in particular a hydride storage material.

The storage container is preferably operated such that a discharge pressure is greater than or at least as great as a supply pressure of the fuel cell device. The stored medium, in particular the hydrogen, can thereby be used preferably completely in the fuel cell device.

For loading the storage container with the medium to be stored, in particular hydrogen, preferably a pressure of at least approximately 0.5 bar, for example approximately 1 bar, is selected above the fuel cell supply pressure. Preferably, the pressure for loading the storage container with the medium to be stored is less than about 5 bar, for example less than about 3 bar. The tempering device is thereby preferably operable with all known hydrogen storage materials as a storage material.

The heat transfer medium may be gaseous or liquid.

One or more components of the tempering device, in particular the storage container, is preferably spatially separated or spatially separable from the object to be tempered.

In particular, this can be a simple disassembly for weight savings can be realized if, for example, in the summer, the temperature control for rapid heating of the fuel cell device is not needed.

In principle, the storage container and / or the temperature control device is suitable for all hydrogen consumers, in particular stationary and mobile applications.

For example, the application may be provided in small vehicles, electric bicycles, electric-powered bicycles, land, air, water and space vehicles.

Further preferred features and / or advantages of the invention are the subject of the following description and the drawings of exemplary embodiments.

• 1 eine schematische Darstellung des Aufbaus einer Temperiervorrichtung zum Temperieren einer Brennstoffzellenvorrichtung;
• 2 eine schematische Seitenansicht einer alternativen Ausführungsform eines Speicherbehälters der Temperiervorrichtung aus 1;
• 3 eine schematische Draufsicht auf den Speicherbehälter aus 2 mit Blickrichtung in Richtung des Pfeiles 3 in 2;
• 4 eine schematische perspektivische Darstellung von Aufnahmerohren, einer Verteilerstruktur und einem Speicheranschluss des Speicherbehälters aus 2;
• 5 einen schematischen Längsschnitt durch die Aufnahmerohre, die Verteilerstruktur und den Speicheranschluss aus 4;
• 6 eine schematische Draufsicht auf eine Stirnseite des Speicheranschlusses und der Verteilerstruktur aus 4;
• 7 ein Flussdiagramm zur Illustration eines ersten Verfahrens zur Herstellung eines Speicherbehälters; und
• 8 ein Flussdiagramm zur Illustration eines zweiten Verfahrens zur Herstellung eines Speicherbehälters.

In the figures show:

• 1 a schematic representation of the structure of a temperature control for controlling the temperature of a fuel cell device;
• 2 a schematic side view of an alternative embodiment of a storage container of the tempering from 1 ;
• 3 a schematic plan view of the storage container 2 looking in the direction of the arrow 3 in 2 ;
• 4 a schematic perspective view of receiving tubes, a manifold structure and a storage port of the storage container from 2 ;
• 5 a schematic longitudinal section through the receiving tubes, the manifold structure and the storage port 4 ;
• 6 a schematic plan view of an end face of the storage port and the manifold structure 4 ;
• 7 a flowchart illustrating a first method for producing a storage container; and
• 8th a flowchart illustrating a second method for producing a storage container.

Identical or functionally equivalent elements are provided with the same reference numerals in all figures.

An in 1 schematically illustrated embodiment of a designated as a whole with 100 temperature control comes, for example, in a vehicle 102 for use. In particular, the vehicle can 102 a bicycle 104 be, which is electrically powered.

The vehicle 102 includes, for example, a fuel cell device 106, by means of which electrical energy for driving a (not shown) electric motor can be provided.

Furthermore, the vehicle includes 102 for example, a reservoir 108 for a fuel for supplying the fuel cell device 106 , The reservoir 108 is in particular a hydrogen tank 110 ,

About an air supply 112 is the fuel cell device 106 Oxidizer for operating the fuel cell device 106 fed.

About a fuel supply 114 is the fuel from the reservoir 108 to the fuel cell device 106 fed.

The tempering device 100 may for example be provided exclusively for temperature control. However, it can also be provided that the temperature control 100 one or more further components, in particular the fuel cell device 106 , includes. The tempering device 100 is then, for example, an energy converter.

The temperature control device preferably comprises 100 and / or the vehicle 102 is a refueling port 116 over which the reservoir 108 with fuel, in particular hydrogen, can be filled.

The reservoir 108 is preferably detachable with a fuel line 118 the fuel supply 114 coupled. The reservoir 108 This makes it particularly interchangeable, for example, an empty reservoir 108 against a full reservoir 108 exchange.

The fuel cell device 106 Finally, an exhaust air outlet 120 is assigned to in the fuel cell device 106 To be able to dissipate generated exhaust gas.

The tempering device 100 serves in particular to those in the operation of the fuel cell device 106 to comply with the required temperature limits.

By means of the tempering device 100 is the fuel cell device 106 this preferably either heated or cooled.

The fuel cell device 106 is in particular in a cycle 122 integrated a heat transfer medium.

By means of the cycle 122 in particular, the heat transfer medium through the fuel cell device 106 and other components of the temperature control 100 fed.

For driving the heat transfer medium in this case in particular a pump 124 is provided.

The tempering device 100 preferably comprises one or more heat exchangers 126 , which in particular with one or more fans 128 are provided. Alternatively, it can be provided that the temperature control 100 one or more heat exchangers 126 each with one or more fans 128 assigned.

A heat exchanger 126 In particular, an air-liquid heat exchanger to heat from the environment of the temperature control 100 to the heat transfer medium or from the heat transfer medium to the environment of the temperature control 100 to be able to deliver.

The tempering device 100 further comprises a storage container 130 through which the heat transfer medium is feasible.

Further, the storage container 130 suitable for receiving fuel.

The storage tank 130 For this purpose, preferably comprises an inner structure 132, which has an interior space 134 of the storage container 130 in a storage area 136 on the one hand and a flow area 138 on the other hand divided.

The flow area 138 is in particular the part of the interior through which the heat transfer medium can flow 134 ,

The storage area 136 is in particular an area to which fuel, in particular hydrogen, can be supplied to the fuel in the storage container 130 to save or by means of the storage container 130 To provide fuel.

The storage area 136 is in particular filled with a storage material, for example a hydride storage material, in particular metal hydride or complex hydride.

For example, storage material is provided in pellet form.

For optimized heat transfer can be provided that the storage material comprises graphite.

The storage tank 130 preferably includes a memory port 140 over which the storage area 136 Fuel is supplied. Further, through the storage port 140 Also fuel from the storage area 136 can be discharged.

However, it may also be provided that two separate storage ports 140 for supplying or discharging the fuel to and from the storage area 136 are provided.

The storage tank 130 also includes two temperature control connections 142 through which the flow area 138 in the interior 134 of the storage container 130 is accessible. About the temperature control connections 142 in particular, the heat transfer medium in the storage container 130 introducible and deductible from the same.

The temperature control connections 142 are preferably at opposite ends 144 of the storage container 130 arranged to allow easy flow through the storage tank 130 to enable with the heat transfer medium.

For the cycle 122 is still a reservoir 146 intended. This allows in particular a compensation for temperature-induced volume fluctuations of the heat transfer medium.

One or more valve device 148 serve for targeted control and / or regulation of the cycle 122 ,

In particular, one can in this case in the region of the heat exchanger 126 provided radiator valve 150 be provided to the flow of the heat exchanger 126 targeted to influence with heat transfer medium, in particular to release or lock.

One in the area of the storage tank 130 arranged tempering valve 152 is preferably used for the selective release or blocking of the flow of the storage container 130 ,

Optionally, other such valve devices 148 be provided.

One or more temperature sensors 154 serve for targeted regulation of the cycle 122 ,

By means of a control device 156 are in particular the pump 124 and / or the valve devices 148 specifically for controlling a desired tempering controlled and / or regulated.

In 1 shown in phantom by the reference numeral 158 an optional additional component, which alternatively or in addition to the fuel cell device 106 by means of the tempering device 100 is temperature controlled.

There may also be several such additional components 158 be provided.

As an additional component 158 For example, a battery device, in particular an accumulator device, or power electronics can be provided.

How out 1 also shows, is the tempering 100 preferably modular. As a module 160 In particular, those components are combined with each other, which can be combined with each other for different load requirements in multiple execution.

Alternatively or additionally, it may be provided that individual components of the temperature control device, in particular the storage container 130 , depending on the season and thus can be removed to adapt to different Temperieranforderungen or supplemented in multiple quantities.

From the reservoir 108 On the one hand are the fuel cell device 106 and on the other hand, the storage container 130 be supplied with fuel, in particular hydrogen.

For this purpose, preferably one or more pressure reducer 162 and / or supply valves 164 in the fuel supply 114 , in particular the fuel line 118 arranged.

This can preferably be ensured that the fuel cell device 106 Fuel is supplied at an optimum pressure level.

Furthermore, this can also be a targeted loading and unloading of the storage container 130 be enabled.

In the 1 shown tempering 100 works as follows:

In the storage area 136 of the storage container 130 is a storage material, in particular arranged hydride storage material.

If now about the fuel supply 114 Hydrogen from the reservoir 108 in the storage area 136 is initiated, it is preferably an exothermic reaction, whereby the internal structure 132 of the storage container 130 heated.

This heat is generated in the Umströmbereich 138 transferred flowing heat transfer medium and is then in circulation 122 for temperature control of components of the vehicle 102 to disposal.

In particular, the heated heat transfer medium via the circuit 122 the fuel cell device 106 be supplied to bring them to start up the same to a desired operating temperature.

The storage tank 130 is preferably filled with hydrogen so far that a subsequent discharge of the storage container, in which hydrogen is released, for the operation of the fuel cell device 106 can be used.

In particular, a pressure reducer is dispensable in this operation, whereby in particular an efficiency of the overall system can be optimized.

When unloading the storage container 130 That is, when removing hydrogen from the storage material in the storage area 136 results in an endothermic reaction, reducing the internal structure 132 is cooled.

The thereby also cooling heat transfer medium in the flow area 138 For example, it may be used to cool the fuel cell device 106. Alternatively, it can in the case of too hot heat transfer medium or in the case of too cold heat transfer medium of the heat exchanger 126 be flowed through to selectively and depending on the ambient temperature to give heat to the environment or from the same.

By using the storage container 130 as part of the tempering device 100 preferably results in a particularly energy-efficient operation of the vehicle 102 ,

In particular, the storage container 130 regardless of the design of the reservoir 108 enable a simple and efficient temperature control.

In the 2 to 6 an optimized embodiment of the storage container 130 is shown.

It is provided that the storage container 130 a cylindrical outer wall, for example 166 comprising, in particular, an outer shell 168 of the storage container 130 forms.

In the interior 134 of the storage container 130 which of the outer wall 166 is surrounded, are preferably a plurality of receiving tubes 170 arranged.

The pickup tubes 170 are in particular formed substantially circular cylindrical.

Preferably, one or more connection channels 172 provided by means of which the receiving tubes 170 fluidly connected to each other.

As a result, in particular a distribution of the in the storage container 130 to be stored fuel, in particular hydrogen, are ensured on the receiving tubes 170.

An interior of pickup pipes 170 together forms the memory area 136.

The outside of the pickup tubes 170 lying part of the interior 134 preferably forms the flow area 138 ,

In particular 3 it can be seen, are the pick-up tubes 170 and the outer wall 166 by means of several webs 174 connected with each other.

The bridges 174 in particular form a heat conduction structure 176 and / or a Fluidleitstruktur 178 ,

By means of the bridges 174 are the pick-up tubes 170 preferably spaced from the outer wall 166 held.

This allows in particular a thermal insulation of the receiving tubes 170 from the outer wall 166 in that a flow area forming thereby 138 can be flowed through by heat transfer medium and thereby in the receiving tube 170 dissipates heat generated reliably and thus from the outer wall 166 keeps.

The entire storage tank 130 or at least the outer wall 166 , the pick-up tubes 170 and the footbridges 174 , are preferably made in a 3D printing process of a metallic material, in particular an aluminum alloy.

For filling the pick-up tubes 170 with storage material is the storage container 130 preferably formed in two parts, wherein a part of the outer wall 166 , the pick-up tubes 170 and the footbridges 174 forms or comprises. The further part is preferably an end cap 180 , which is placed on the first-mentioned part to the interior 134 of the storage container 130 complete.

This end cap 180 is especially at one end 144 of the storage container 130 arranged and includes as well as the other end 144 one of the temperature control connections 142 ,

The end cap 180 can in particular be welded or glued.

The end cap 180 is preferably designed fluid-tight.

By with regard to the 2 to 6 described embodiment of the storage container 130 preferably results in a simple and inexpensive as well as lightweight, compact and energy-efficient design of the storage container 130 ,

As in particular the 4 to 6 it can be seen, is an internal structure of the storage container 130 comparatively complex.

In particular, the connection channels 172 and the storage port 140 part of a distribution structure 182 ,

The entire distribution structure 182 is preferably integral with the receiving tubes 170 as well as the receiving tubes 170 connecting webs 174 and the outer wall 166 educated.

The pickup tubes 170 are at one end 144 from the distribution structure 182 limited.

At the opposite end 144 are the pick-up tubes 170 preferably by means of closure elements 184 locked.

The closure elements 184 are especially subsequently in the receiving tubes 170 introduced or fixed thereto, preferably after the pick-up tubes 170 filled with storage material.

1. a) Herstellung einer Außenwandung 166
2. b) Herstellung von Aufnahmerohren 170
3. c) Herstellung von Stegen 174
4. d) Herstellung einer Verteilerstruktur 182
5. e) Herstellung eines Speicheranschlusses 140
6. f) Herstellung einer ersten Endkappe 180
7. g) Herstellung einer zweiten Endkappe 180
8. h) Herstellung von Verschlusselementen 184
9. i) Verbinden von mehreren, insbesondere sämtlichen, der vorstehend genannten Bauteile/Komponenten a) bis f) des Speicherbehälters 130
10. j) Befüllen der Aufnahmerohre 170 mit Speichermaterial
11. k) Anordnen der Verschlusselemente 184 zum einseitigen Verschließen der Aufnahmerohre 170
12. l) Anordnen einer oder mehrerer Endkappen 180, insbesondere durch Festschweißen oder Verkleben.

In particular 7 it can be seen, the storage tank 130 For example, be prepared as follows:

1. a) Production of an outer wall 166
2. b) Production of receiving tubes 170
3. c) Production of webs 174
4. d) Production of a Distributor Structure 182
5. e) Production of a storage port 140
6. f) Production of a first end cap 180
7. g) Preparation of a second end cap 180
8. h) Production of closure elements 184
9. i) connecting a plurality, in particular all, of the abovementioned components / components a) to f) of the storage container 130
10. j) filling the pick-up tubes 170 with storage material
11. k) arranging the closure elements 184 for one-sided closing of the receiving tubes 170
12. l) arranging one or more end caps 180 , in particular by solid welding or gluing.

For process steps a) to h) one or more extrusion or 3D printing processes or casting processes or pressing processes are provided in particular.

In particular 8th can be seen, preferably several, in particular all of the process steps a) to f) by a single common process step feasible.

Thus, it is unnecessary or simplifies according to 7 separate connection step i), as most components / components of the storage container 130 already formed integrally with each other due to the chosen manufacturing process.

• j) Befüllen der Aufnahmerohre 170 mit Speichermaterial
• k) Anordnen der Verschlusselemente 184 zum einseitigen Verschließen der Aufnahmerohre 170
• l) Anordnen der weiteren Endkappe 180 zum Verschließen des Innenraums 134 des Speicherbehälters 130.

Then, preferably, only the following method steps must be carried out:

• j) filling the pick-up tubes 170 with storage material
• k) arranging the closure elements 184 for one-sided closing of the receiving tubes 170
• l) placing the other end cap 180 to close the interior 134 of the storage container 130 ,

Through the selected steps for the preparation of the storage container 130 can the storage tank 130 In particular, particularly compact, lightweight and made with filigree inner structure.

LIST OF REFERENCE NUMBERS

100

tempering

102

vehicle

104

bicycle

106

fuel cell device

108

reservoir

110

Hydrogen tank

112

air supply

114

fuel supply

116

refueling connection

118

fuel line

120

exhaust removal

122

circulation

124

pump

126

Heat exchanger

128

Fan

130

storage container

132

internal structure

134

inner space

136

storage area

138

pass area

140

memory connector

142

Temperature control circuit

144

The End

146

surge tank

148

valve device

150

radiator valve

152

Temperierventil

154

temperature sensors

156

control device

158

additional component

160

module

162

pressure reducer

164

supply valve

166

outer wall

168

outer shell

170

receiving tube

172

connecting channel

174

web

176

thermal conduction

178

Fluidleitstruktur

180

endcap

182

distribution structure

184

closure element

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

• DE 10317123 B4 [0002]

Claims (15)

Storage container (130) comprising: - An outer wall (166) surrounding an inner space (134) of the storage container (130); - One or more in the interior (134) of the storage container (130) arranged receiving tubes (170) for receiving a storage material, - A storage port (140), by means of which a storage area (136), which is arranged within the one or more receiving tubes (170), accessible from outside of the storage container (130); and or - A distributor structure (182), by means of which a fluid-effective connection between the storage port (140) on the one hand and the storage area (136) within the one or more receiving tubes (170) is made on the other hand, wherein a) the outer wall (166) and / or b) the one or more receiving tubes (170) and / or c) the storage port (140) and / or d) the distributor structure (182) together in one piece and / or together in a single process step, for example in a 3D printing process or in an extrusion molding process. Storage tank (130) after Claim 1 , characterized in that the one or more receiving tubes (170) by means of one or more webs (174) to each other and / or on the outer wall (166) are fixed. Storage tank (130) after Claim 2 , characterized in that the one or more webs (174) form a heat conducting structure (176) and / or a support structure of the storage container (130). Storage container (130) according to one of Claims 1 to 3 , characterized in that the storage container (130), in particular the outer wall (166), the one or more receiving tubes (170) and / or one or more webs (174) comprise or are formed from a metal material, in particular an aluminum material , Storage container (130) according to one of Claims 1 to 4 , characterized in that the outer wall (166) and / or the one or more receiving tubes (170) are hollow cylindrical, in particular hollow circular cylindrical, are formed. Storage container (130) according to one of Claims 1 to 5 , characterized in that the one or more receiving tubes (170) are filled with a hydride storage material, in particular in pellet form. Storage container (130) according to one of Claims 1 to 6 characterized in that a portion of the interior (134) of the storage container (130) surrounding the one or more receiving tubes (170) on the one hand and one or more internal spaces (134) of the one or more receiving tubes (170), on the other hand, are fluidly separated from one another , Temperature control device (100) for controlling the temperature of objects, in particular components of a vehicle (102), wherein the temperature control device (100) comprises: - a circuit (122) for a heat transfer medium; - An object to be tempered in the circuit (122) or an interface for incorporating an object to be tempered into the circuit (122); - A storage container (130), in particular a storage container (130) according to one of Claims 1 to 7 wherein the storage container (130) independently two media streams are fed, wherein the storage container (130) on the one hand, the heat transfer medium can be fed and wherein the storage container (130) on the other hand, a different from the heat transfer medium to be stored medium can be fed; - A pump (124) and one or more valve devices (148), by means of which the heat transfer medium is optionally and / or successively fed to a heat exchanger (126), the storage container (130) and / or the object to be tempered. Temperature control device (100) after Claim 8 , characterized in that the temperature control device (100) comprises a control device (156), by means of which the pump (124) and / or the one or more valve devices (148) are set into a heating operation in which a) the storage container (130 ) the medium to be stored and heat transfer medium is supplied and b) the heat transfer medium is then fed to the object to be tempered. Temperature control device (100) according to one of Claims 8 or 9 , characterized in that the temperature control device (100) comprises a control device (156) by means of which the pump (124) and / or the one or more valve devices (148) are set into a cooling operation in which a) the storage container (130 ) Is supplied to the heat transfer medium, b) the medium to be stored from the storage container (130) is removed and c) the heat transfer medium is then fed to the object to be tempered and / or the heat exchanger (126). Vehicle (102), in particular electrically powered or electrically assisted two-wheeled, three-wheeled or four-wheeled bicycle, comprising: - a fuel cell device (106); - a reservoir (108) for storing fuel for the fuel cell device (106); - A tempering device (100) according to one of Claims 8 to 10 for tempering the fuel cell device (106). A method of manufacturing a storage container (130), comprising: Producing a) an outer wall (166) and / or b) one or more receiving tubes (170) and / or c) a storage port (140) and / or d) a distributor structure (182) as a one-piece component and / or in a single Process step, for example in a 3D printing process or in an extrusion process. Method according to Claim 12 characterized in that the outer wall (166) and the one or more receiving tubes (170) are formed together with webs (174) for connecting and / or securing the one or more receiving tubes (170) to the outer wall (166). Method according to one of Claims 12 or 13 , characterized in that the outer wall (166) and the one or more receiving tubes (170) are made of a metallic material, in particular an aluminum alloy. Temperature control method, comprising: - Heating a heat transfer medium by passing it through a storage container (130), in which at the same time another medium for storing the same is initiated; or - Cooling a heat transfer medium by passing it through a storage container (130), from which at the same time a medium stored therein is removed; - Supplying the heat transfer medium to an object to be tempered.

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