KR20230081211A - Roof tile for solar power generation - Google Patents

Abstract

The present invention relates to solar power roofing materials. The solar power roofing material of the present invention is capable of forming at least a portion of the roof of a building by arranging a plurality of them, comprising: a solar power module which is formed in a rectangular shape and may be bent around an axis horizontal to its transverse direction; a base member having grooves formed on both sides in the horizontal direction to support both ends of the solar power module in the horizontal direction, respectively; and cap members which are coupled to both ends of the base member in the longitudinal direction and respectively support both ends of the solar power module in the longitudinal direction, wherein each of the grooves is formed in a curved shape so that the supporting solar power module is bent, and the length of each of the grooves may be formed to be shorter than the vertical length of the solar power module by a predetermined length or more. Accordingly, the present invention may be adapted to a curved roof using a flexible solar power module.

Description

Solar power generation roofing {Roof tile for solar power generation}

The present invention relates to a solar power generation roofing material.

The photovoltaic power generation module generates power by receiving sunlight, and is manufactured in a plate shape and can be attached to the upper part of a building, through which a roof capable of generating photovoltaic power can be made. In particular, it is also a power generation method suitable for the recent trend of encouraging the use of eco-friendly alternative energy.

However, if the shape of the roof is a curved design, there are limitations in installing modules. In particular, in a situation where the social atmosphere that values the aesthetics of buildings and the use of buildings to which they are applied are diversifying, such as barns and gymnasiums, these restrictions lead to inconvenience.

In recent years, a flexible type solar power module has been developed, allowing a wider range of module choices and being able to be installed flexibly in response to various installation environments.

The flexible type photovoltaic module has the advantage of being lightweight and having a flexible, bendable property.

However, on the contrary, when the wind blows, fluttering occurs, which can shorten the lifespan, and in some cases, the bending property of the module causes sagging, which can create an unfavorable situation in securing space for heat dissipation.

An object of the present invention is to provide a roof fastening structure that can adapt to a curved roof using a flexible photovoltaic module.

An object of the present invention is to provide a roof fastening structure that is advantageous in dissipating heat generated during power generation of a flexible solar power module.

An object of the present invention is to provide a roof fastening structure capable of firmly supporting a flexible solar power module.

An object of the present invention is to provide a roof fastening structure capable of achieving efficient power generation by optimizing the shape of a flexible photovoltaic module.

The photovoltaic power generation roofing material of the present invention in which a plurality of them are arranged to form at least a part of the roof of a building in order to solve the above technical problem is formed in a rectangular shape and can be bent around an axis horizontal to the horizontal direction. module; a base member having grooves formed on both sides of the photovoltaic module in the horizontal direction to respectively support both ends of the photovoltaic module in the horizontal direction; and cap members coupled to both ends of the base member in the longitudinal direction to support both ends of the photovoltaic module in the longitudinal direction, respectively, and each of the grooves is formed in a curved shape so that the photovoltaic module to be supported is bent. The length of each of the grooves may be shorter than a predetermined length or more than a length of the photovoltaic module in a vertical direction.

In addition, an elastic material capable of adhering to the photovoltaic module may be formed on surfaces of the grooves.

In addition, the radius of curvature of the curved shape of each of the grooves may be different depending on a point in the longitudinal direction of each of the grooves.

And, it may further include a curvature adjusting member that changes the radius of curvature according to time.

In addition, a distance between corresponding positions of the grooves may be shorter than a width of the photovoltaic module in a horizontal direction by a predetermined length or more.

In addition, the grooves may be opened by making an inclination upward of the roof.

Further, the cap member may be formed with grooves that are opened at an angle upward of the roof, and both ends of the photovoltaic module in a longitudinal direction are inserted and supported.

According to an embodiment of the present invention, a roof fastening structure capable of adapting to a curved roof by using a flexible photovoltaic module is provided.

According to an embodiment of the present invention, a roof fastening structure advantageous to dissipation of heat generated during power generation of a flexible solar power module is provided.

According to an embodiment of the present invention, a roof fastening structure capable of firmly supporting a flexible photovoltaic module without fluttering is provided.

According to an embodiment of the present invention, a roof fastening structure capable of achieving efficient power generation by optimizing the shape of a flexible photovoltaic module according to circumstances is provided.

1 is a diagram for explaining a photovoltaic power generation module.
2 is a block diagram showing the structure of a roofing material according to an embodiment of the present invention.
3 is a view for explaining the structure of a roofing material according to an embodiment of the present invention.
4 is a view for explaining the shape of a base member according to an embodiment of the present invention.
5 is a view for explaining the operation of the curvature adjusting member according to an embodiment of the present invention.
6 is a view for explaining the operation of the curvature adjusting member according to an embodiment of the present invention.
7 is a view for explaining a coupling structure between a base member and a photovoltaic module according to an embodiment of the present invention.
8 is a view for explaining the structure of a base member according to an embodiment of the present invention.
9 is a view for explaining the structure of a cap member according to an embodiment of the present invention.
10 is a view for explaining the structure of a guide member according to an embodiment of the present invention.
11 is a view for explaining the structure of a guide member according to an embodiment of the present invention.
12 is a view for explaining the structure of a guide member according to an embodiment of the present invention.
13 is a view for explaining the structure and use method of a clamp according to an embodiment of the present invention.
14 is a view for explaining the structure and use method of a clamp according to an embodiment of the present invention.
15 is a view for explaining the structure and use method of a clamp according to an embodiment of the present invention.

Matters related to the operational effect, including the technical configuration for the above object of the brace according to the present invention will be clearly understood by the detailed description below with reference to the drawings in which a preferred embodiment of the present invention is shown.

Advantages and characteristics of the present invention, and techniques for achieving them, etc. will become clear with reference to embodiments described later in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in a variety of different forms. This embodiment may be provided to complete the disclosure of the present invention and to completely inform those skilled in the art of the scope of the invention to which the present invention belongs. Like reference numbers designate like elements throughout the specification.

For purposes of illustrative simplicity and clarity, the drawings depict general arrangements, and detailed descriptions of well-known features and techniques may be omitted to avoid unnecessarily obscuring the discussion of the described embodiments of the present invention. Additionally, elements in the drawings are not necessarily drawn to scale. For example, the size of some elements in the drawings may be exaggerated compared to other elements in order to help understand the embodiments of the present invention. Like reference numbers in different drawings indicate like elements, and like reference numbers may, but do not necessarily, indicate like elements.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings, but the same or corresponding components regardless of reference numerals will be given the same reference numerals, and redundant descriptions thereof will be omitted.

In describing the present invention, if it is determined that a detailed description of related known technologies may obscure the gist of the present invention, the detailed description will be omitted.

1 is a diagram for explaining a photovoltaic power generation module 100 .

1(a) is a front view of a photovoltaic module to which the present invention is applied. As shown in FIG. 1 (a), the photovoltaic module is formed in a plate shape.

The photovoltaic module 100 may be formed in a rectangular plate shape.

'W' shown in FIG. 1 (a) means the horizontal direction of the photovoltaic module 100 formed in the rectangular shape. 'L' shown in FIG. 1(a) means a vertical direction of the photovoltaic module 100 formed in the rectangular shape. The setting of these directions W and L remains the same in the following description and drawings.

1(b) is a right side view of a photovoltaic module to which the present invention is applied. As shown in FIG. 1(b), the photovoltaic module 100 may be bent. In particular, it can be bent with a predetermined radius of curvature (r) around the axis 1000 horizontal to the horizontal direction.

2 is a block diagram showing the structure of a roofing material according to an embodiment of the present invention.

As shown in FIG. 2 , the roofing material 10 according to an embodiment of the present invention may include the photovoltaic module 100 and the base member 200 .

According to an embodiment of the present invention, the base member 200 may include a clamp 210.

According to an embodiment of the present invention, a groove 211 into which one side of the photovoltaic module 100 is inserted and supported may be formed in the clamp 210 .

According to an embodiment of the present invention, a plurality of photovoltaic roofing materials 10 may be arranged to form at least a part of the roof 900 of a building. Preferably, it is formed in the form of a rectangular tile and connected horizontally and vertically like a checkerboard to form at least a part of the roof 900 .

3 is a view for explaining the structure of a roofing material according to an embodiment of the present invention.

FIG. 3 (a) shows a dismantled state of each component of the roofing material 10, and FIG. 3 (b) shows an assembled state.

3 (a) and (b), the roofing material 10 according to an embodiment of the present invention may include a photovoltaic module 100, a base member 200, and a cap member 300. can

As shown in FIG. 3 (a), the base member 200 according to an embodiment of the present invention has grooves 211a supporting both ends of the photovoltaic module 100 in the horizontal direction on both sides in the horizontal direction, respectively. , 211b) may be formed.

According to an embodiment of the present invention, clamps 210a and 210b are formed on both sides of the base member 200 in the horizontal direction, and each of the grooves 211a and 211b is formed in each of the clamps 210a and 210b. can

The cap members 300a and 300b may be coupled to both ends of the base member 200 in the longitudinal direction to support both ends of the photovoltaic module 100 in the longitudinal direction, respectively.

As shown in FIG. 3 (a), each of the grooves 211a and 211b may be formed in a curved shape so that the photovoltaic module 100 supported by the grooves 211a and 211b is bent.

As shown in FIG. 3 (b), the photovoltaic module 100 may be guided in shape by the curved grooves 211a and 211b to form an arcuate curved surface.

Each of the grooves 211a and 211b may be shorter than a length of the photovoltaic module 100 in a vertical direction by a predetermined length or more.

Accordingly, the photovoltaic module 100 receives pressure from the cap members 300a and 300b in the longitudinal direction L and is supported without strongly fluttering on the upper wall of each of the grooves 211a and 211b. It can be.

The predetermined length may be set to a level required to prevent damage to the module 100 while being supported without fluttering. Preferably, it may be set to about 5 to 10 mm.

An elastic material capable of adhering to the photovoltaic module 100 may be formed on surfaces of the grooves 211a and 211b.

According to an embodiment of the present invention, the base member 200 is assembled to the clamps 210a and 210b or integrally formed with the clamps 210a and 210b to support the clamps 210a and 210b. 220) may be further included.

The lower plate 210 may be disposed parallel to the photovoltaic module 100 at a lower portion of the photovoltaic module 100 .

Figure 4 is a view for explaining the shape of the base member 200 according to an embodiment of the present invention.

As shown in FIG. 4, the curved radii of curvature r1 and r2 of each of the grooves 211a and 211b vary depending on the points s1 and s2 in the longitudinal direction of each of the grooves 211a and 211b. can

5 is a view for explaining the operation of the curvature adjusting member 400 according to an embodiment of the present invention.

5 (a) and (b), the roofing material 10 according to an embodiment of the present invention may further include a curvature adjusting member 400 that changes the radii of curvature r1 and r2. .

'U' shown in FIGS. 5 (a) and (b) means upward with respect to the roof surface. This remains the same in the following description and drawings.

According to an embodiment of the present invention, the curvature adjusting member 400 may change the radii of curvature r1 and r2 over time.

According to an embodiment of the present invention, the curvature adjusting member 400 changes the curvature radii (r1, r2) according to the angle at which sunlight (dotted arrows in FIG. 5 (a) and (b)) is irradiated to the ground. can

FIG. 5 (a) shows the case where r1 > r2 is adjusted, and FIG. 5 (b) shows the case where r1 < r2 is adjusted.

In this way, by changing the curvature radii (r1, r2), it is possible to obtain a more efficient shape for power generation at a specific point in time by using the bending property of the module 100.

6 is a view for explaining the operation of the curvature adjusting member according to an embodiment of the present invention.

As shown in FIG. 6 , the curvature adjusting member 400 according to an embodiment of the present invention may include a rotating member 410 and a sliding member 420 .

As shown in FIG. 6, a pinion gear is formed on the rotating member 410 and a rack gear is formed on the base member 200 so that the rotating member 410 rotates according to the linear motion of the sliding member 420. The curvature radii (r1, r2) may be adjusted.

According to an embodiment of the present invention, a coupling member 430 is formed at one end of the sliding member 420 and is connected to a sliding member of another roof material connected in the vertical direction (L) to allow the sliding members to move integrally. .

7 is a view for explaining a coupling structure between a base member 200 and a photovoltaic module 100 according to an embodiment of the present invention.

A distance between corresponding positions of the grooves 211a and 211b may be shorter than a width of the photovoltaic module 100 in a horizontal direction by a predetermined length or more.

By configuring in this way, the photovoltaic module 100 is strongly supported in the horizontal direction and fluttering is eliminated, and an arcuate curved surface is formed in the horizontal direction of the photovoltaic module 100, so that the lower plate 220 away from it, which is advantageous for heat dissipation.

8 is a view for explaining the structure of the base member 200 according to an embodiment of the present invention.

As shown in FIG. 8 , the grooves 211a and 211b may be opened at an angle upward of the roof 900 .

In this way, an arcuate curved shape in the horizontal direction of the photovoltaic power generation module 100 may be induced through the inclined structure.

9 is a diagram for explaining the structure of cap members 300a and 300b according to an embodiment of the present invention.

Grooves 301, 301a, 301b are opened in the cap members 300a and 300b by being inclined upward of the roof 900 and both ends of the photovoltaic module 100 in the vertical direction are inserted and supported. ) can be formed.

In this way, an arcuate curved shape in the vertical direction of the photovoltaic module 100 may be induced through the inclined structure.

10 is a diagram for explaining the structure of a guide member 500 according to an embodiment of the present invention.

The support structure in which the photovoltaic module 100 is removed from the roofing material 10 may be referred to as the photovoltaic module support device 50 .

The photovoltaic module support device 50 according to an embodiment of the present invention may be combined with the photovoltaic module 100 to form at least a part of the roof 900 of a building.

The photovoltaic module support device 50 according to an embodiment of the present invention may include the base member 200 .

The base member 200 may have grooves 211a and 211b respectively supporting both ends of the photovoltaic module 100 in the horizontal direction.

The photovoltaic module support device 50 according to an embodiment of the present invention may further include at least one guide member 500 supporting a lower surface of the photovoltaic module 100 .

The guide member 500 may guide the photovoltaic module 100 to be bent.

As shown in FIG. 10 (a), the guide member 10 includes a plurality of leg-type guide members 510a and 510b having different heights to guide the curved surface of the module 100. The leg-type guide members 510a and 510b may have an upper plate supporting the lower surface of the module 100 and a clamp fixed to the upper part of the building at the lower part.

As shown in FIG. 10 (b), the guide member 500 is fixed to the base member 200 and is formed long in the longitudinal direction of the rectangle between the grooves 211a and 211b, and also has a curved shape. It is formed to guide the photovoltaic module 100 to be bent.

Each of the grooves 211a and 211b may be formed in a curved shape so that the photovoltaic module 100 supported thereon is bent.

A radius of curvature of one point of the curved guide member 500 may be smaller than a radius of curvature of a point corresponding to the one point of each of the grooves 211a and 211b by a predetermined value or more.

In this way, by making the radius of curvature of the curved guide member 500 smaller and forming the guide member 500 in a more convex shape than the curved shape of the grooves 211a and 211b, the central portion of the module 100 is It is possible to prevent fluttering by being strongly supported by the guide member 500 . In addition, the module 100 may be induced to have a convex curved shape as a whole, and a space for heat dissipation may be formed below it.

The grooves 211a and 211b may be opened at an angle upward of the roof 900 .

11 is a diagram for explaining the structure of a guide member 500 according to an embodiment of the present invention.

As shown in FIGS. 11 (a) and (b), a plurality of guide members 500 may be spaced side by side and arranged along the horizontal direction.

At least three of the plurality of guide members 500 are formed, and the height of one point formed at the center of the plurality of guide members 500 may be higher than a height of a point corresponding to the one point formed at the edge of the guide member 500 by a predetermined value or more.

In this way, by varying the height of each of the plurality of guide members 500 arranged in the horizontal direction, the central portion of the module 100 is strongly supported by the guide member 500, so that flapping can be prevented. In addition, the module 100 may be induced to have a convex curved shape as a whole, and a space for heat dissipation may be formed below it.

11 (a) and (b) show an example in which the guide member 500 includes curved guide members 520a and 520b, and the one located at the edge (520b) is higher than the one located near the center (520a). is low

12 is a diagram for explaining the structure of a guide member 500 according to an embodiment of the present invention.

At least three of the plurality of curved guide members 520 are formed, and the radius of curvature of one point of one of them formed toward the center (520a) corresponds to the one point of the one formed on the edge (520b) It may be smaller than a predetermined value or more than the radius of curvature of .

By differentially forming the radii of curvature of the curved guide members 520a and 520b as described above, the central portion of the module 100 is strongly supported by the guide member 520 and thus flapping can be prevented. In addition, the module 100 may be induced to have a convex curved shape as a whole, and a space for heat dissipation may be formed below it.

13 is a view for explaining the structure and use method of the clamps 210, 210a, and 210b according to an embodiment of the present invention.

13 (a) and (b), the clamp 210 according to an embodiment of the present invention may be installed on the roof 900 to support the photovoltaic module 100.

The clamp 210 may include support portions 216a and 216b supporting one end of the photovoltaic module 100 on both sides of the photovoltaic module 100 , respectively.

The clamp 210 may include a fixing part 215 fixed to an upper surface of the roof 900 .

As shown in FIG. 13 (b) , the support portions 216a and 216b may guide and support the photovoltaic module 100 to adhere to the roof 900 .

Preferably, as shown in FIG. 13 (a) and (b), the support portions 216a and 216b are inclined to form a curved surface on the module 100 so as to adhere to the roof 900, thereby flapping It can be prevented.

In addition, the roof 900 may be formed of a material having excellent thermal conductivity, such as a zinc-coated steel sheet, and the close-fitting structure is advantageous for heat dissipation of the module 100 as well.

As shown in FIG. 13 (b), the fixing part 215 may be coupled to and fixed to the protruding part 930 of the roof 900.

The roof 900 is formed by arranging a plurality of plate-like members 910 and 920 side by side, and the protruding portion 930 is a part forming a coupling between two adjacent plate-like members among the plurality of plate-like members 910 and 920. can be

14 is a view for explaining the structure and use method of a clamp according to an embodiment of the present invention.

In the support portions 216a and 216b, grooves 211a, which open obliquely downward of the roof 900 and guide and support the supporting photovoltaic module 100 to adhere to the roof 900; 211b) can be formed.

The support portions 216a and 216b may include inner support members 217a and 217b and outer support members 218a and 218b.

The inner support members 217a and 217b and the outer support members 218a and 218b may be arranged in pairs to form the grooves 211a and 211b.

15 is a view for explaining the structure and use method of a clamp according to an embodiment of the present invention.

15 (a) and (b), the clamp 210 according to an embodiment of the present invention further includes a fastening member 219 for fixing the fixing part 215 to the protruding part 930. can include

The fastening member 219 may pass through one side surface of the fixing part 215 in a transverse direction.

The fastening member 219 may be screwed to a part of the fixing part 215 by including a screw or a bolt. It can also be moved laterally through the rotational action of a screwdriver or wrench.

The support parts 216a and 216b include outer support members 218a and 218b supporting the upper surface of the photovoltaic module 100 and inner support members 217a supporting the lower surface of the photovoltaic module 100, 217b) may be included.

As shown in FIG. 15 (b), the inner support members 216a and 216b are deformed according to the transverse movement of the fastening member 219 so that the force supporting the photovoltaic module 100 can be adjusted. there is.

The fixing part 215 is coupled to the roof 900 via an adhesive member, and the support parts 216a and 216b are inclined to the roof 900 and the photovoltaic module ( 100) can be combined with.

The adhesive member may be a sticker.

The clamp 210 according to an embodiment of the present invention is formed long along the upper surface of the roof 900 and may be bent according to the shape of the upper surface of the roof 900 by including a flexible material.

On the other hand, terms such as "first", "second", "third" and "fourth" in the specification and claims, if any, are used to distinguish between similar components, but not necessarily Used to describe a specific sequence or order of occurrence. It will be understood that the terminology so used is compatible with the embodiments of the invention described herein, under appropriate circumstances, such that, for example, they may operate in sequences other than those shown or described herein. Likewise, where a method is described herein as comprising a series of steps, the order of those steps presented herein is not necessarily the order in which those steps may be performed, and any recited steps may be omitted and/or here Any other step not described may be added to the method.

In addition, terms such as "left", "right", "front", "rear", "top", "bottom", "above", "below" in the specification and claims are used for explanation, It is not necessarily intended to describe an invariant relative position. It will be understood that the terminology so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein may, for example, operate in directions other than those shown or described herein. As used herein, the term "connected" is defined as being directly or indirectly connected in an electrical or non-electrical manner. Objects described herein as "adjacent" to each other may be in physical contact with each other, in close proximity to each other, or in the same general scope or area as is appropriate for the context in which the phrase is used. The presence of the phrase “in one embodiment” herein refers to the same embodiment, although not necessarily.

In addition, in the specification and claims, 'connected', 'connected', 'engaged', 'fastened', 'coupled', 'coupled', etc., refer to various variations of these expressions directly with other components. It is used in the meaning of being connected or indirectly connected through other components.

In addition, the suffixes "module" and "unit" for the components used in this specification are given or used together in consideration of ease of writing the specification, and do not have meanings or roles that are distinguished from each other by themselves.

Also, terms used in this specification are for describing embodiments and are not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. As used herein, 'comprise' and/or 'comprising' means that a stated component, step, operation, and/or element is the presence of one or more other components, steps, operations, and/or elements. or do not rule out additions.

So far, the present invention has been looked at mainly with its preferred embodiments. All embodiments and conditional examples disclosed throughout this specification are described with the intention of helping those skilled in the art to help the reader understand the principles and concepts of the present invention, and those skilled in the art will understand that the present invention It will be understood that it can be implemented in a modified form within the range not departing from the essential characteristics of the present invention.

Therefore, the disclosed embodiments should be considered from a descriptive point of view rather than a limiting point of view. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the equivalent scope will be construed as being included in the present invention.

In addition, although the preferred embodiments of the present invention have been shown and described above, the present invention is not limited to the specific embodiments described above, and the technical field to which the present invention belongs without departing from the gist of the present invention claimed in the claims. Of course, various modifications are possible by those skilled in the art, and these modifications should not be individually understood from the technical spirit or perspective of the present invention.

10: roofing material 50: solar power module support device
100: photovoltaic module 200: base member
210, 210a, 210b: clamp 211, 211a, 211b: groove
215: fixing part 216a, 216b: support part
217a, 217b: inner support member 218a, 218b: outer support member
219: fastening member 220: lower plate
300a, 300b: cap member 301, 301a, 301b: groove
400: curvature adjusting member 410: rotating member
420: sliding member 430: coupling member
500: guide member 510a, 510b: leg-type guide member
520, 520a, 520b: curved guide member
900: roof 910: first plate member
920: second plate member 930: protrusion
1000, 1000a, 1000b: axis

Claims (7)

A photovoltaic roofing material capable of forming at least a part of the roof of a building by arranging a plurality of them,
A photovoltaic module formed in a rectangular shape and capable of being bent about an axis horizontal to the horizontal direction thereof;
a base member having grooves formed on both sides of the photovoltaic module in the horizontal direction to respectively support both ends of the photovoltaic module in the horizontal direction; and
Includes cap members coupled to both ends of the base member in the longitudinal direction and supporting both ends of the photovoltaic module in the longitudinal direction, respectively;
Each of the grooves is formed in a curved shape so that the photovoltaic module to be supported is bent,
The solar power generation roofing material, characterized in that the length of each of the grooves is formed shorter than a predetermined length or more than the length of the photovoltaic module in the vertical direction.
According to claim 1,
A solar power generation roofing material, characterized in that an elastic material capable of adhering to the photovoltaic module is formed on the surface of the grooves.
According to claim 1,
The solar power generation roofing material, characterized in that the curvature radius of each of the grooves is different depending on the point in the longitudinal direction of each of the grooves.
According to claim 3,
A photovoltaic roofing material further comprising a curvature adjusting member that changes the curvature radius over time.
According to claim 1,
The solar power generation roofing material, characterized in that the distance between the respective corresponding positions between the grooves is formed shorter than the width of the photovoltaic module in the horizontal direction by a predetermined length or more.
According to claim 5,
The solar power generation roofing material, characterized in that the grooves are opened by making an inclination upward of the roof.
According to claim 1,
The photovoltaic roofing material, characterized in that the cap member is formed with grooves that are inclined upward to the roof and open, and both ends of the photovoltaic module in the longitudinal direction are inserted and supported.

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