WO2014086970A2 - Multi-pane insulating glass unit with photovoltaic technology and window comprising a multi-pane insulating glass unit with photovoltaic technology - Google Patents

Abstract

The subject matter of the invention relates to a multi-pane insulating glass unit (5) having at least a first pane (1) and a second pane (2) and a first circumferential frame (3), wherein the first circumferential frame (3) is arranged between the first pane (1) and the second pane (2) and forms a spacer frame (4) of the multi-pane insulating glass unit (5). Moreover, the multi-pane insulating glass unit (5) has a second circumferential frame (6), wherein the second circumferential frame (6) is arranged between the first pane (1) and the second pane (2), and wherein the second circumferential frame (6) adjoins the first circumferential frame (3) without a discernible gap dimension. Furthermore, the multi-pane insulating glass unit (5) has a number of lamellae (7), wherein the lamellae (7) are arranged between the first pane (1) and the second pane (2) and are fixed to the second circumferential frame (6) and have a number of solar cells (8).

Description

description

Multi-pane insulating glass unit with photovoltaic technology and window with a multi-pane insulating glass unit with photovoltaic technology

The invention relates to a multi-pane insulating glass unit with photovoltaic technology and a window with at least one multi-pane insulating glass unit with photovoltaic technology.

From DE 20 2011 102 438 Ul an insulating glass pane of at least two panes, which are arranged at a distance from each other, a hermetically sealed space between the at least two panes, the wholly or partially filled with air, gas or gas mixture or is evacuated , and at least one circumferential spacer or vacuum-capable edge termination, each connecting two discs, known. In the spacer or inside of the spacer or on the spacer is located at least one solar cell which converts the short-wave Strah ^¬ lung energy directly into electrical energy and stores ^¬ se in a battery and / or forwards.

The object of the invention is to provide a multi-pane insulating glass unit and a window with at least one multi-pane insulating glass unit.

Specify insulating glass unit, which can be set forth in a simple manner ^¬ .

This problem is solved by the subject matter of the independent claims. Advantageous developments emerge from the dependent claims. A multi-pane insulating glass unit according to one aspect of the invention comprises at least a first disk and a second disk and a first peripheral frame, wherein the first peripheral frame is disposed between the first disk and the second disk and a spacer frame for the first disk and forms the second disc of the multi-pane insulating glass unit. In addition to the first peripheral frame, the multi-pane insulating glass unit also has a second circumferential frame, wherein the second circumferential frame between the first disc and the second disc is arranged. Furthermore, the multi-pane insulating glass unit has a number of lamellae, ie at least one lamella, wherein the lamellae are arranged between the first pane and the second pane and fastened to the second peripheral frame and have a number of solar cells, ie at least one solar cell ,

Typically, a plurality of fins, ie Minim ^¬ least two fins provided. In one embodiment, however, only a single solar cell is provided, which may be disposed on a single fin. This is useful in playing ^¬, when only a small electric power is to be generated or is sufficient ^¬ example, for a heating of the window.

The multi-pane insulating glass unit according to the invention has the advantage that it can be produced in a simple manner. This is made possible, in particular, by the fact that the multi-pane insulating glass unit has, in addition to the first, outer peripheral frame forming the spacer frame for the first and second disks, a second, inner peripheral frame, to which the Solar cells having slats are attached. This can the second circumferential frame including the fins and the solar cells are provided separately from the other components of the multi-pane insulating glass unit as a separate component. In the manufacture of the insulating glass unit thus eliminating a modification of the ex ^¬ spacers frame to this, the solar cells to buildin ^¬ term. This can be used for the spacer frame advantageously on typically used types and Ma ^¬ materials. Overall, this simplifies the production of the multi-pane insulating glass unit.

In one embodiment, the current provided by the solar cells is used to heat one, in particular the ^inner or both, of the insulating glass panes and / or the pane interspace. For this purpose, for example, in Schei ^¬ benzwischenraum, in particular on the second circumferential frame, an energizable copper strip or other heating element may be provided. This makes it possible to achieve similar U-values with double glazing as with triple glazing.

Preferably, the second circumferential frame has a width which substantially corresponds to a distance of the first disc and the second disc to each other. The second peripheral frame thus has a width which substantially corresponds to the ^{distance of} the first disk from the second disk. Thereby, the second rotating frame in the Mehrschei- ben-insulating unit are arranged, without the need for additional fastening elements are required, since the frame is supported ^¬ th through the first and second disk in its position. In one embodiment, the second circumferential frame adjoins the spacer frame with no apparent gap. Thus, an outer side of the second circumferential frame abuts an inner side of the spacer frame.

Alternatively, the second circumferential frame may be spaced from the first circumferential frame.

In an embodiment of the multi-pane insulating glass unit, longitudinal axes of the fins extend in a longitudinal direction of the first disk and the second disk. The longitudinal ^¬ axes of the slats are thus arranged substantially parallel to the longitudinal direction of the first disc and the second disc and the slats so that in this embodiment, horizontally in the disc space between the first disc and the second disc.

In a further embodiment, longitudinal axes of the lamellae extend in a vertical direction of the first disk and the second disk. The longitudinal axes of the slats are thus arranged in this embodiment, substantially parallel to the direction of the first disc and the second disc and the lamellae therewith perpendicularly in the disc space between the first disc and the second disc.

Furthermore, at least one of the slats is preferably arranged to be movable. In this way, the orientation of the lamella and thus of the solar cells arranged on the lamella can advantageously be adapted to the varying light incidence angle during the course of a day.

The insulating glass unit also has for this purpose in a white ^¬ more advanced embodiment of an operation unit, wherein the actuator unit is formed to actuate the at least one ^¬ be movably arranged plate.

Preferably, the operation unit while a first be ^¬ moveable magnet and a second movable magnet, wherein the second movable magnet forms a counter magnet to the first movable magnet. The first movable magnet and the second movable magnet are arranged on Einan ^¬ the opposite sides of one of the first disc and the second disc. As a result, an actuation of the at least one movably arranged lamella can take place by means of a movement of the second magnet, which transmits via the magnetic fields of the magnets to the first magnet. Thus, no operations for an example mechanical or electrical actuator in the space between the panes are required for actuation of the slats, which would lead to an increased effort for a gas-tight sealing of the space between the panes.

In this case, at least one of the slats can be arranged rotatably about a longitudinal axis of the slat. Typically, a plurality of the slats or all slats are arranged rotatably about their respective longitudinal ^¬ axis. Further, at least one of La be slidably disposed ^¬ mellen. Typically meh ^¬ eral slats are slidably mounted. In particular, all slats can be arranged displaceably.

Preferably, the slats are designed as glass slats. Such glass fins have the advantage that they have a high resistance to thermally induced deformations. This is of particular importance because the temperature in the disc space between the first disc and the second disc is typically up to 80 ° C can. Furthermore, the lamellae can be formed as plastic lamellae, which typically have a lower resistance to thermally induced deformations compared to glass lamellae.

The lamella shape is typically wavy or convex or con ^¬ kav when using plastic as Trä ^¬ germaterial to ensure improved static properties. For special glasses, the lamella shape is typically flat.

The slats are formed self-supporting in a further preferred embodiment. For example, the glass laminate ^¬ are self-supporting due to the inherent structural analysis of the glass. This has the advantage that no further support elements for the lamellae provided with the solar cells are required.

In a further embodiment of the multi-pane insulating glass unit, the lamellae are arranged in a direction offset from one another in a first plane and a second plane from the first pane to the second pane. In this case, the lamellae are movable in each case from a first position to a second position in at least one of the first plane and the second plane. By the offset of the slats to each other in the direction mentioned, i. the arrangement of a

Part of the slats in the first plane and the remaining slats in the second plane, the slats can be easily moved in the longitudinal direction of the discs against each other. This allows the size of the area covered by the slats between the first disc and the second

Disc is taken and restricts the view through the insulating glass ^¬ unit, be changed in a simple manner. Preferably, the distance between two lamellae arranged adjacent to one another in a plane substantially corresponds in each case to a width of one of the lamellae in the further plane. The movable blades overlap in the first position with the lamellae in the further plane at least partially, whereas the movable lamellae in the second position with the lamellae in the further plane substantially do not overlap.

Furthermore, the second circumferential frame is preferably formed as a hollow profile. Characterized the Actuate the ^¬ supply unit may include at least one movably arranged blade be arranged in a simple manner within the second peripheral frame for actuating the particular.

Furthermore, in one embodiment, the second circumferential frame has a first electrically conductive region and a second electrically conductive region that is electrically insulated from the first electrically conductive region. In this case, the first electrically conductive region and the second electrically conductive region form voltage or current taps for the solar cells of the lamellae.

The solar cells are preferably formed as thin-layer cells and applied to at least one surface of the lamellae, wherein the solar cells have, for example, amorphous silicon.

The invention further relates to a window comprising at least a multi-pane insulating glass unit according to one of said embodiments. The window in this case has said in connection with the inventive insulating glass unit before ^¬ parts which are listed here to avoid repetition, not again. Furthermore, the insulating glass unit of the invention can be used for doors or building facades example ^¬ wise. The invention thus further relates to a door or a facade, which has at least one multi-pane insulating glass unit according to ei ^¬ ner of the aforementioned embodiments. Furthermore, the multi-pane insulating glass unit according to the invention for special glazing, such as roof glazing, can be used.

Embodiments of the invention will now be explained in more detail with reference to the attached figures.

Figures 1A and 1B show a multi-pane insulating glass unit according to a first embodiment of the invention; FIGS. 2A to 2C show a multi-pane insulating glass unit according to a second embodiment of the invention.

Figures 1A and 1B show a multi-pane insulating glass unit 5 according to a first embodiment of the invention. 1A shows a schematic perspective illustration of the multi-pane insulating glass unit 5 and FIG. 1B shows a cross-section along the sectional plane D-D shown in FIG. 1A. Components having the same functions are identified by the same reference numerals in FIGS. 1A and 1B.

The multi-pane insulating glass unit 5, which is also referred to as an insulating glazing unit, has in the shown In the embodiment, a first pane 1 and a second pane 2 form a two-pane insulating glass unit. The first disc 1 is arranged in the shown execution ^¬ form on an outwardly facing side of the insulating glass unit 5, that is, the first pane 1 has an outer side of a building, if the multi-pane insulating glass unit 5, for example in a window the building is attached. The second pane 2 is arranged in the embodiment shown on an inwardly facing side of the multi-pane insulating glass unit 5, that is, the second pane 2 points to an inside of the Ge ^¬ bäudes.

5 In addition, the insulating glass unit to a ^¬ ers th circumferential outer frame 3, which is disposed in a disc space between the first disk 1 and the second disk. 2 The first-round frame 3 bil ^¬ det while a spacer-frame 4 of the multi-pane insulating unit 5, ie the distance between the first disk 1 and the second disk 2 is set to a predetermined value by means of the first peripheral frame. 3

In addition, the multi-pane insulating glass unit 5 has a two ^¬ th circumferential inner frame 6, wherein the second circumferential frame 6 is different from the first circumferential frame 3 and also between the first disc 1 and the second disc 2 within the first peripheral outer frame. 3 is arranged. Here, the second order current frame ^¬ 6 connects with no apparent gap size on the first current to the framework ^¬. Furthermore, the insulating glass unit 5 to an on ^¬ number of lamellae. 7 The fins 7 are arranged in the space between the first disk 1 and the second disk 2 and fixed to the second peripheral frame 6. In the embodiment shown, each of the lamellae 7 has solar cells 8 shown schematically on a first surface 24 of the lamella 7. The first surface 24 opposite surface of the blade 7 is towards ^¬ against free of solar cells, ie the blades 7 are provided in the embodiment shown on one side with solar cells 8. The solar cells 8 are formed in the embodiment shown as a thin-film cells, which are applied to the first surfaces 24 of the fins 7 and have amorphous silicon. In the illustrated embodiment, the first surfaces 24 of the lamellae 7 are substantially completely covered with solar cells 8, wherein only a part of the solar cells 8 is shown schematically in FIGS. 1A and 1B for reasons of clarity. The La ^¬ mellen 7 are adapted in the embodiment shown, a self-supporting glass lamellae. Furthermore, the slats 7 may consist of plastic or glass fiber.

In the illustrated embodiment, the lamellae 7 are arranged horizontally within the multi-pane insulating glass unit 5, ie the longitudinal axes of the lamellae 7 not shown in detail in FIG. 1A extend in a longitudinal direction of the first pane 1 and the second pane shown schematically by an arrow A in Figure 1A 2. Further, an arrow B schematically illustrates the direction of the width of the first disk 1 and the second disk 2, and an arrow C schematically illustrates the high ^¬ direction of the first disk 1 and the second disk 2 constitutes. At longitudinally opposite ends of the slats 7 each have an end piece. The lamellae 7 thus each have two end pieces, of which only one end piece 17 is shown in FIG. 1A. By means of the end pieces 17, the lamellae 7 are arranged in the embodiment shown each rotatable about its longitudinal axis on the second circumferential frame 6, as will be explained in more detail in connection with Figure 1B. In the embodiment shown, the end pieces 17 of the lamellae 7 are free of solar cells.

Further, the end pieces 17 and the second circumferential frame 6 are used for electrical coupling of the solar cells 8 with the other, not shown in Figures 1A and 1B electrical components of the solar cells 8 having

Solar module. For this purpose, a first region 16 of the second surrounding ^¬ frame 6 an electrically conductive material and is electrically coupled via the associated end piece 17 of the fins 7 each with a first electrode of the solar cell 8, not shown. On the opposite side in the longitudinal direction of the slats 7, the second circumferential frame 6 further comprises a second, not shown in Figure 1A electrically conductive region, which is arranged on the side of this end of the fins 7 each with a second electrode of the solar cells, not shown 8 is electrically coupled. The first electrically conductive region 16 is electrically insulated from the second electrically conductive region. For this purpose, in the embodiment shown, the second circumferential frame 6, with the exception of the first electrically conductive region 16 and the second electrically conductive region, is designed as a glass-fiber-reinforced plastic hollow profile. The first electrically conductive region 16 and the second electrically Conductive regions are formed in the embodiment shown by metal rails.

Figure 1B shows a cross section along showed in Figure 1A overall sectional plane DD, which is perpendicular to the high-Rich ^¬ processing of the first disk 1 and second disk 2. angeord ^¬ net.

As shown in FIG. 1B, the lamellae 7 are fastened with their respective end pieces 17 to the second circumferential frame 6 by means of fastening elements 15.

As already explained, the lamellae 7 in the embodiment shown are arranged rotatably about their respective longitudinal axis 9. For this purpose, the multi-pane insulating glass unit 5 has an actuating unit 10, which in the embodiment shown ^¬ form a first movable magnet 11 and a second movable magnet 12 each in the form of permanent magnets, wherein the second movable magnet 12 is a counter magnet to the first movable magnet 11 forms. The first movable magnet 11 is arranged on a first side 13 and the second movable magnet 12 is arranged on a second side 14 of the second pane 2, wherein the first side 13 and the second side 14 are opposite to each other. The first side 13 is inside and the second side 14 outside of the space between the panes.

The first movable magnet 11 is connected to a rack rim 20, which engages in a respective toothed wheel 19 per blade 7, which in turn is rigidly connected via a bore in the second peripheral frame 6 with the fastening element 15 of the respective blade 7. The counter magnet in the form of the second movable magnet 12, typically on the Room interior is integrated into a sliding system, ^¬ light through a straight-line movement, a displacement of the first movable magnet 11 and thus of the rack ring 20, whereby the respective gear 19 drives the blade 7 by rotating, synchronous movements ne. The sliding system can manually, ie with manual force, or electromotive move the second magnet 12.

The slats 7 can thereby be closed over the entire surface or rotated by 90 degrees, resulting in the latter case, a clear view with typically 2 to 4mm wide slat view. In a further rotation of the slats 7 by a total of 180 degrees again creates a closed surface, but is coated with the solar cell 8 first surface 24 of the fins 7 in this case in the direction of the second disc 2 and thus pointing into the room, thereby comparing to the arrangement of the first surface 24 in the direction of the first disk 1 no or a smaller photovoltaic current is generated.

The made of plastic or glass fiber or other materials, slightly curved or flat lamellae 7 are thus mounted centrally rotating over the end pieces 17. The ^distance between the first disk 1 and the second disk 2 defines the maximum possible width of the disks 7.

For a disc spacing of 36mm, for example, this results in a maximum width of the slats 7 of 32mm.

FIG. 1B also shows a sealing means 21 which serves for the gas-tight sealing of the space between the panes, which is typically filled with argon. The sealing means 21 is not shown in FIG. 1A for reasons of clarity. As further illustrated in FIG. 1B, the width of the second circumferential frame 6 substantially corresponds to the distance between the first pane 1 and the second pane 2, whereby the second peripheral frame 6 within the multi-pane insulating glass unit 5 is in its position without additional Fasteners can be kept.

FIGS. 2A to 2C show a multi-pane insulating glass unit 5 according to a second embodiment of the invention. Components having the same functions as in FIGS. 1A and 1B are identified by the same reference symbols and will not be explained again below. Figure 2A shows a schematic perspective Dar ^¬ position of the multi-pane insulating glass unit 5. Figure 2B shows a portion of a cross section along the plane indicated in Figure 2A sectional plane EE, which is perpendicular to the vertical direction of the first disk 1 and the second disk. 2 FIG. 2C shows a side view of the multi-disc

Insulating glass unit 5 in the form of a portion of a cross ^¬ section along a sectional plane which is perpendicular to the longitudinal direction of the first disc 1 and the second disc 2 is arranged.

The second embodiment of the multi-pane insulating glass unit 5 is designed as a three-pane insulating glass unit and, in addition to the first pane 1 and the second pane 2, has a third pane 25. The third disc 25 is on an outwardly facing side of the multi-disc

Insulating glass unit 5 arranged, that is, the third disc 25 points to an outside of a building, when the multi-pane insulating glass unit 5, for example, in a window attached to the building. The second pane 2 is arranged in the embodiment shown on an inwardly facing side of the multi-pane insulating glass unit 5, that is, the second pane 2 points to an inside of the building.

5 In addition, the insulating glass unit to a drit ^¬ th peripheral outer frame 26 which is disposed in a disc space between the first disk 1 and the third disc 25th The third circumferential outer Rah ^¬ men 26 forms a further spacer-frame 4 of the insulating glass unit 5, that is by means of the drit ^¬ th peripheral frame 26, the distance between the first disk 1 and the third disc 25 to a predefined NEN value set.

The second embodiment of the multi-pane insulating glass unit 5 differs from that shown in Figures 1A and 1B, further characterized in that the blades 7 are vertically within the insulating glass unit 5 ^¬ arranged, that the longitudinal axes of the blades 7 in a High direction of the first disc 1 and the second

Slice 2 extend. Furthermore, in the second embodiment, the lamellae 7 are arranged offset in the direction of the first pane 1 towards the second pane 2, ie in the direction represented schematically by the arrow B, in a first plane and a second plane. In this case, the lamellae 7 are in the plane which is closer to the first disc 1, rigidly connected to the second peripheral frame 6, whereas the lamellae 7 in the further plane, which is closer to the second disc 2, each from a first position in a second position are movable. In the embodiment shown, the distance between two lamellae 7 arranged adjacently in a plane substantially corresponds in each case to a width of one of the lamellae 7 in the further plane. The movable lamellae 7 overlap in the first position with the lamellae 7 in the further plane at least partially, whereas they do not substantially overlap in the second position with the lamellae 7 in the further plane. FIGS. 2A and 2B show the arrangement of the lamellae 7 in the aforementioned second position. For reasons of clarity, in turn only a part of the solar cells 8 arranged on the lamellae 7 is shown schematically in FIG. 2A.

In the second embodiment the voltage or current tap for arranged in the two planes solar cell 8 also carried out separately from each other to prevent mutual Be ^¬ influencing in the generation of photovoltaic electricity, that is, the outer and inner laminations 7 are separately with each other connected and interconnected. For this purpose, the second circumferential frame 6 in turn has a first electrically conductive region 16, with which first electrodes of the solar cells 8 of the outer fins 7, ie the fins 7, which face the first disk 1, are electrically coupled. Furthermore, the second circumferential frame 6 has a further electrically conductive region 18, with which first electrodes of the solar cells 8 of the inner lamellae 7, ie of the lamellae 7, which face the second pane 2 are electrically coupled. The two electrically conductive regions 16 and 18 are electrically insulated from each other.

As shown in Figure 2C, the generated Photovol ^¬ voltaic power of these areas 16 and 18 further over cable 23 led to an inverter not shown in the figures. On the opposite side in the longitudinal direction of the lamellae 7, the second circumferential frame 6 also has a further electrically conductive region, with which second electrodes of the solar cells 8 of the outer lamellae 7 are electrically coupled. In addition, the second circumferential frame 6 has a side on this page

electrically conductive region, with which second electrodes of the solar cells 8 of the inner fins 7 are electrically coupled. The two arranged on this side electrically conductive areas are in turn electrically isolated from each other.

As shown in more detail in Figure 2C, the movement of the movable blades 7, that is, in the illustrated embodiment, the blades 7, which are arranged in the direction of the second disc 2, by means of an actuating unit 10, which in turn a first movable magnet 11 and a second movable magnet 12 has. Thus, a parallel displaceability of the spatially arranged Lamel ^¬ len 7 in the centrally divided second circumferential frame 6 via the first movable magnet 11 in the form of a magnetic strip, which is located in the second peripheral frame 6, and the second movable magnet 12 in the form of a room side slidably mounted counter magnets can be achieved. The counter magnet is fixed in a sliding device with, for example, about 50mm thrust movable.

When actuated by, for example, manual or motor operation with a possible time circuit, the slats 7, which move in parallel and are mounted on the room side, close the free space up to 100 percent and thus form an almost completely free space. closed surface with the outside rigidly adjusted Lamel ^¬ len. 7

With this type of attachment of the lamellae 7 with simultaneous parallel movement of the louvers 7 mounted on the inside, it is therefore possible to close the existing surface almost 100 percent or to open it by approx. 50 percent, the lamellae 7 attached on the room side in the latter case, due to the overlap and thus the almost complete shading, only a small amount of photovoltaic current is generated.

The lamellae 7 are preferably about 5 cm wide, whereby an optimal coating with amorphous photovoltaic thin-film technology can be achieved with good aesthetics and reliability. The width of the lamellae 7 are as ^¬ when, as already explained, also the spacing of the externa ^¬ ßeren fixed blades 7 to each other at. The embodiments shown thus provide a rotary or in glazing composite is paral lel ^¬ Suspending arranged, on one side with photovoltaic be ^¬-coated, movably mounted lamella system in an advantageous manner. In the space between the panes of the insulating glass composite are to, as already explained, movable or rigidly ^¬ arranged, connected to the second rotating frame 6, and coated with photovoltaic technology fins 7 which are electrically connected to each other by means of the end pieces 17, while in the first Embodiment about their respective central axis rotating and in the second embodiment, each half fixed and half parallel displaceable ^¬ bar attached. As a result, a differentiable, ie adjustable shading of the underlying space with simultaneous power generation via the available, coated with photovoltaic technology slats allows.

_{2 Q}

Reference sign list

1 slice

 2 disc

3 frames

 4 spacer frame

 5 multi-pane insulating glass unit

6 frames

 7 lamella

8 solar cell

 9 longitudinal axis

 10 operating unit

 11 magnet

 12 magnet

13 page

 14 page

 15 fastener

 16 area

 17 tail

18 area

 19 gear

 20 rack wreath

 21 sealant

 22 sealant

23 cables

 24 surface

 25 disc

26 frame A arrow

 B arrow

 C arrow

Claims

Having a disc insulating glass unit  at least a first disc (1) and a second disc (2),  a first revolving frame (3), said first revolving frame (3) being disposed between said first pulley (1) and said second pulley (2) and forming a spacer frame (4) of said multi-pane insulating glass unit (5), a second peripheral frame (6), said second peripheral frame (6) between the first disc (1) and the second disc (2) is arranged and wherein the second rotating frame (6) without it ^¬ kennbares gap to the first surrounding frame (3),  a number of lamellae (7), wherein the lamellae (7) between the first disc (1) and the second Disc (2) are arranged and attached to the second circumferential frame (6) and having a number of solar cells ^¬ (8). A multi-pane insulating glass unit according to claim 1, wherein said second circumferential frame (6) has a width substantially equal to a distance of said first disk (1) and said second disk (2) from each other. Insulating glass unit as claimed in claim 1 or at ^¬ demanding 2, wherein longitudinal axes (9) of the lamellae (7) in a longitudinal direction of the first plate (1) and the second disc (2) extend. Insulating glass unit as claimed in claim 1 or at ^¬ demanding 2, wherein longitudinal axes (9) of the lamellae (7) in a vertical direction of the first disc (1) and the second disc (2) extend. Multi-pane insulating glass unit according to one of vorherge ^¬ henden claims, wherein at least one of the slats (7) is arranged to be movable. Multi-pane insulating glass unit according to claim 5, further comprising an actuating unit (10), wherein the Betä ^¬ tigungseinheit (10) for actuating the at least one movably arranged blade (7) is formed. A multi-pane insulating glass unit according to claim 6, wherein said operating unit (10) comprises a first movable magnet (11) and a second movable magnet (12), said second movable magnet (12) forming a counter magnet to said first movable magnet (11) and wherein the first movable magnet (11) and the second movable magnet (12) on each ge ^¬ opposite sides (13, 14) of a said first disc (1) and the second disc (2) are arranged. Multi-pane insulating glass unit according to one of vorherge ^¬ henden claims, wherein at least one of the lamellae (7) about a longitudinal axis (9) of the lamella (7) rotatable and / or slidably arranged. Multi-pane insulating glass unit according to one of vorherge ^¬ henden claims, wherein in a space between the first disc (1) and the second disc (2), in particular on the second peripheral frame, with a is provided by the solar cell generated current energizable heating element. Insulating glass unit as claimed in vorherge ^¬ Henden claims, wherein the slats (7) are formed as Glaslamel ^¬ len. Multi-pane insulating glass unit according to one of vorherge ^¬ henden claims, wherein the lamellae (7) are formed self-supporting. Multi-pane insulating glass unit according to one of vorherge ^¬ henden claims, wherein the lamellae (7) in a direction from the first disc (1) to the second disc (2) offset from one another in a first plane and a second plane are arranged and wherein the lamellae (7) are movable in each case from a first position to a second position in at least one of the first level and the second level. Multiple-pane insulating glass unit according to claim 12, wherein the distance between two in a plane adjacent to ^¬ arranged slats (7) substantially each corresponds to a width of one of the slats (7) in the further plane and wherein the movable slats (7) in the At least partially overlap first position with the slats (7) in the further plane and wherein the movable slats (7) in the second position with the lamellae (7) in the further plane do not substantially overlap. 14. Multi-pane insulating glass unit according to one of vorherge ^¬ existing claims, wherein the second circumferential frame (6) is designed as a hollow profile. 15. Window comprising at least one multi-pane Insulating glass unit (5) according to one of the preceding claims.