DE102011000118A1 - Apparatus for receiving thermal energy for power supply to building, has container with inlet and outlet for feeding medium in and out of cavity respectively - Google Patents

Abstract

The apparatus has medium leading container (1) that is provided in portion of envelope surface of building. The container has closed cavity for receiving thermal energy absorbent medium. The container has inlet and outlet for feeding medium in and out of cavity respectively.

Description

The present invention relates to a device for receiving thermal energy for a heat supply of buildings according to the closer defined in the preamble of claim 1. Art.

For example, from the document DE 10 2008 029 454 A1 For example, an absorption device for absorbing solar radiation is known, wherein the absorption device comprises a transparent section and an absorber section, and wherein the absorption device is designed in the manner of a roof panel with regard to its external geometry. For absorbing and removing the absorbed by the absorption device solar radiant heat, the absorption device is connected via clamping and support sections with a parallel laid for roof battens separate heat transfer line. The heat transfer from the absorption device to the separate line is accomplished by contact zones. From the contact zones, a heat transfer takes place in the wall of the heat transfer line. After the heat conduction through the wall, finally, a further heat transfer from the wall in the transported in the power means is absolutely necessary. This not only requires a structurally complex construction, which is cost-intensive, but also increases the heat losses.

The present invention is based on the object to propose a device for receiving thermal energy for a heat supply of buildings, which is as simple and inexpensive to produce and also has the lowest possible heat losses.

This object is achieved by the features of claim 1, wherein advantageous embodiments of the dependent claims and the drawings.

Accordingly, a device for receiving or absorbing and transporting thermal energy for the heat supply of buildings of any kind is proposed, wherein the device is provided at least one medium-carrying container at least as part of an envelope surface of a building or as a building skin, wherein the container has an arbitrarily shaped and to the environment sealed cavity for directly receiving the thermal energy absorbing medium. For transporting the medium, at least one inlet and at least one outlet are provided on the container, so that the container can be connected, for example, to a heat exchanger circuit or a heat pump in order to use the heat thus obtained, for example for a building.

In this way, a device for heat generation and transport, for example, by solar radiation or solar radiation, by chemical reaction or the like generated heat is proposed, wherein the device according to the invention is characterized in that it is particularly inexpensive to produce and versatile. In addition, can be achieved with the proposed device optimal utilization of the generated thermal heat, since the heat source exposed to the container of the device is directly flowed through by the heat-transporting medium.

Each container of the device according to the invention is flowed through by, for example, the medium formed as a suitable liquid or gas, wherein the medium z. B. can heat by sunlight and then either directly to a connected heat exchanger or a heat pump is supplied. Thus, at least two functions are integrated into one component, namely the container of the device, since the container realizes directly the absorption or absorption of the generated thermal energy and the transport of heat to a supply system of a building and secondly at least a portion of the envelope surface of the building forms.

When using the container, for example, as envelope for biomass storage, the medium can also be used for receiving and transporting the resulting thermal energy there, where instead of the solar thermal energy produced by chemical reaction heat can be absorbed.

In the simplest case, the device according to the invention could also have only one container forming the entire roof skin or wall of a building for receiving and transporting the thermal energy, the dimensions of the container being correspondingly increased or adapted to the building. For example, an over the entire roof width or roof length executed container could be attached to the building as a solar module and roof cladding in one.

In the context of a preferred embodiment, it may be provided in the device according to the invention that each container as a finished housing made of, for example, thermoplastic injection molding or z. B. is made by deep drawing. There are also other materials and manufacturing methods used, which also allow easy production even with complicated external shape design. Prefabricated housing, for example be produced in the context of a thermoplastic injection molding or the like, have the advantage that they can be produced without further processing quasi in one production step, even if complicated designed shapes are desired.

The container can be made in one piece or in several parts, for example, from an upper and a lower part, which are detachably or firmly connected to each other. Both the upper part and the lower part can be manufactured in any structural designs in order to realize the widest possible field of application of the device. In addition to the different materials, different colors can be used to ensure optimum absorption, for example, of solar radiation.

If the containers are used, for example, as roof panels or wall panels, can be dispensed with the usual modules for receiving the thermal energy and the usual roof panels or wall insulation, thereby not only the cost of solar thermal systems or biomass storage but also the cost of building can be lowered significantly. In addition, the material used in particular the plastic used can be chosen such that the environmental influences occurring, for example, by the weather or by chemical reactions are taken into account, so that a long service life can be achieved. In addition, if recycled plastic is used, in addition to the environmentally friendly resource savings and the production costs can be further reduced.

Hereinafter, the present invention will be further explained with reference to the drawings. Show it:

1 a schematic three-dimensional view of a possible embodiment of a device according to the invention with existing upper housing parts and housing parts containers;

2 a schematic plan view of the inner sides of two upper housing parts of adjacent, interconnected containers;

3 a schematic plan view of the outer sides of two upper housing parts of adjacent, interconnected containers; and

4 a schematic plan view of the insides of two housing parts of adjacent, interconnected containers.

In the 1 to 4 In each case one possible embodiment variant of the device according to the invention for absorbing thermal energy for the heat supply of buildings is exemplified, in which the device comprises a plurality of containers 1 includes, which are exemplified formed as solar roof panels to form a solar thermal collector system, which can be connected to a non-illustrated heat supply system of a building.

Every container 1 is executed in two parts in the embodiment shown and consists of an upper housing part 2 and a housing lower part 3 , The upper housing part 2 and the lower housing part 3 are made of thermoplastic injection-molded parts, wherein the solar roof panel forming housing parts 2 . 3 can be releasably connected to one another by latching, Verklipsung or screwing. It is also possible that the housing parts 2 . 3 are firmly connected to each other by welding, Warmverstemmung or the like, so that a one-piece container 1 is realized, as it is for example in 1 is shown.

That with the housing lower part 3 connected housing upper part 2 each container 1 forms a cavity which is flowed through by a medium, for example a liquid or a gas or the like. For feeding and discharging the medium, each container 1 an inlet 5 and an outlet 6 on. Between adjacent containers 1 are for medium sealed connection between the outlet 6 and the inlet 5 a neighboring container 1 each provided a seal that can be applied, for example, as rubber molded gasket, as a molded second plastic component or in liquid form. In this way, the medium can through the, for example, in series interconnected containers 1 be pumped. This is through two connected containers 1 indicated in the figures, depending on the dimensions of the building and a plurality of containers can be arranged transversely or longitudinally along the roof or the wall of the housing. For example, also several rows of containers 1 parallel or juxtaposed to form a complete roof or a complete wall of the building. That in the containers 1 The medium heated by the solar radiation can either be fed directly via a heat exchanger to a medium tank or at low temperatures to a heat pump of a heat supply system of a building, which, however, is not shown further.

As in particular from the 2 and 4 it can be seen on the insides of the Housing tops 2 and the housing bases 3 respectively corresponding webs 4 or the like, which are aligned substantially parallel to each other. Using the labyrinth bridges 4 is in the connected state of the upper housing part 2 and housing base 3 an approximately meandering or the like guided flow of the medium in the cavity of the container 1 in the flow direction between the inlet 5 and the outlet 6 ensured. Thus, the uptake of solar thermal energy can be maximized.

As in particular from the 1 and 3 it can be seen, are the lower housing part 3 and the upper housing part 2 each container 1 offset so interconnected that the upper housing part 2 a container 1 one housing base each 3 a neighboring container 1 overlaps, so that a closed roof skin can be realized by the containers 1 be used as envelope for the building or as the roof of the building.

Especially 1 and 3 show, inter alia, the outer shape of the upper housing part 2 each container 1 , The shape is adapted to the external shape of a typical roof tile. There are also other common forms of roof tiles imitable. Preferably, the housing upper part 2 be made of a translucent plastic, so that an optimal absorption of solar radiation is made possible by the medium. For example, the housing lower parts 3 be made black and the housing tops 2 be executed in translucent red, which visually corresponds to the common tile color.

At the back of each housing lower part, not shown 3 each container 1 fasteners are provided with which the trained as roof panels or wall insulation containers 1 For example, can be attached to roof battens or on the wall of the housing in the simplest way. For attaching adjacent containers 1 are, as in 4 indicated, respectively on the housing bases 3 locking elements 7 or the like, so that housing lower parts 3 from neighboring containers 1 attached to each other, each with a spacer 8th on the lower housing part 3 is provided so that a flush attachment to adjacent containers 1 is realized to form a closed roof or wall.

LIST OF REFERENCE NUMBERS

1

container

2

Housing top

3

Housing bottom

4

web

5

inlet

6

outlet

7

locking element

8th

spacer

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 102008029454 A1 [0002]

Claims (10)

Device for absorbing thermal energy for a heat supply of buildings, characterized in that at least one medium-carrying container ( 1 ) is provided at least as part of the envelope surface of a building, wherein the container ( 1 ) has at least one closed cavity for receiving the thermal energy absorbing medium and wherein the container ( 1 ) for feeding the medium into the cavity at least one inlet ( 5 ) and for discharging the medium from the cavity at least one outlet ( 6 ) having. Device according to claim 1, characterized in that the container ( 1 ) is designed as a finished housing made of thermoplastic injection molding, wherein at least one housing upper part ( 2 ) and at least one lower housing part ( 3 ) are provided, which are interconnected. Apparatus according to claim 2, characterized in that the housing upper part ( 2 ) and the housing lower part ( 3 ) Are fixed to each other by means of welding or hot caulking firmly or by means of gluing or screwing releasably connected to each other medium-tight. Device according to one of the preceding claims, characterized in that the housing upper part ( 2 ) and the housing lower part ( 3 ) of each container ( 1 ) each at the cavity facing the inside corresponding webs ( 4 ), so that in the cavity formed thereby an approximately meandering guidance of the medium contained between the inlet ( 5 ) and the outlet ( 6 ) of the container ( 1 ) is provided. Device according to one of the preceding claims, characterized in that the container ( 1 ) are designed as a roof panel or as a wall panel of a building for receiving solar thermal energy or generated by reaction thermal energy. Device according to one of the preceding claims, characterized in that a plurality of containers ( 1 ) are arranged such that the outlet ( 6 ) of a container ( 1 ) with the inlet ( 5 ) of an adjacent container ( 1 ) are connected to each other medium-tight, so that a solar thermal collector system is formed. Device according to one of the preceding claims, characterized in that the housing lower part ( 3 ) and the upper housing part ( 2 ) of each container ( 1 ) are offset with each other in such a way that the upper housing part ( 2 ) of a container ( 1 ) in each case a housing lower part ( 3 ) of an adjacent container ( 1 ) overlaps, so that a closed envelope surface is formed at least partially in the building. Device according to one of the preceding claims, characterized in that the outer shape and the color of the upper housing part ( 2 ) of each container ( 1 ) is adapted to the external shape and color of the envelope of the building. Device according to one of the preceding claims, characterized in that the housing upper part ( 2 ) is made of a translucent material. Device according to one of the preceding claims, characterized in that the underside of the lower housing part facing the building ( 3 ) of each container ( 1 ) Has attachment portions for attachment to the building.

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