Roll screen device

Abstract

To provide a roll screen device capable of suppressing a decrease in heat insulation even when a dimension between mullions is larger than a dimension of a screen part.SOLUTION: A roll screen device 10 includes a screen portion 12 disposed between mullions 101, 102, and adjustment plates 32, 33 disposed for closing gaps 30, 31 between the mullions 101, 102 and the screen portion 12.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a roll screen device, and particularly to a roll screen device provided with a solar cell.

Background Art

[0002] Conventionally, a roll screen device provided with a solar cell in a screen part is known (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] The roll screen device as described above is installed in the gable space of a building. However, when the dimension of the gable space is larger than the dimension of the screen part, a gap is generated between the screen part and the gable. Heat transfer occurs through this gap, and there is a risk of reduced heat insulation performance. In a roll screen device provided with a solar cell, the dimension of the screen part is often restricted due to the size and arrangement of the solar cell, and it is not easy to prepare a roll screen device corresponding to various gable space dimensions.

[0005] The present disclosure has been made in view of such problems, and an object thereof is to provide a roll screen device capable of suppressing a decrease in heat insulation performance even when the dimension of the gable space is larger than the dimension of the screen part.

Means for Solving the Problems

[0006] In order to solve the above problems, a roll screen device according to an aspect of the present invention includes a screen portion disposed between the vertical frames, and an adjustment plate disposed so as to close a gap between the vertical frames and the screen portion.

Brief Description of the Drawings

[0007]

Figure 1

Figure 2

Figure 3

Figure 4

Embodiments for Carrying Out the Invention

[0008] Hereinafter, the present invention will be described with reference to the drawings based on preferred embodiments. The following configurations are for the purpose of exemplification for understanding the present disclosure, and the scope of the present disclosure is determined only by the appended claims. The same or equivalent components and members shown in each drawing are denoted by the same reference numerals, and repeated explanations will be omitted as appropriate. In addition, the dimensions of the members in each drawing are shown enlarged or reduced as appropriate for easy understanding. Also, a part of the members that are not important in explaining the embodiments in each drawing is omitted from the display. Further, when terms indicating directions such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. are used in the present disclosure, they mean the directions in the posture when the roll screen device is attached to a building.

[0009] The roll screen device 10 shown in FIG. 1 is attached and used to an opening of a building. In the embodiment shown in FIG. 1, openings of the building are formed by vertical frames (vertical frames) 101 and 102 extending in the vertical direction and installed at intervals in the horizontal direction (left - right direction), and horizontal frames (horizontal frames) 103 and 104 extending in the horizontal direction and installed at intervals in the vertical direction (up - down direction).

[0010] As shown in FIG. 2, a glass panel 110 is disposed on the outdoor side of the opening of the building. The glass panel 110 may be a double-layer glass or a single-layer glass. The glass panel may be structurally adhered to the outdoor sides of the side frames 101 and 102 by a structural sealant 112. Hereinafter, the adhesion by the structural sealant is referred to as structural adhesion. Note that the adhesion of the glass panel to the side frame may be by an adhesion method other than the structural sealant. Also, the glass panel may be fixed to the side frame by mechanical joining.

[0011] The roll screen device 10 is disposed on the indoor side of the opening of the building. The roll screen device 10 includes a screen portion 12 and a holding portion 14 that suspends and holds the screen portion 12.

[0012] The holding portion 14 includes a winding drum 16 for winding the screen portion 12 and a support member 17 for fixing the winding drum 16 to the upper mullion 103. A tubular motor (not shown) for rotating the winding drum 16 is disposed inside the winding drum 16. By driving the tubular motor, the screen portion 12 can be raised and lowered.

[0013] The screen portion 12 is configured as a flexible rectangular sheet-like body. The upper end portion in the longitudinal direction of the screen portion 12 is connected to the winding drum 16, and a bottom rail 18 is provided at the lower end portion. The bottom rail 18 applies a force in a direction to pull down the screen portion 12 and also acts to apply tension to the screen portion 12 to enhance planarity.

[0014] The screen portion 12 includes a fabric layer and a plurality of solar cell modules 20 provided on the fabric layer. The fabric layer may be formed of fibers and plastics (synthetic resins) such as polypropylene, polyethylene, and polyester. In another embodiment, the screen portion 12 may not include a fabric layer and may be a skeleton type including, for example, an ETFE film.

[0015] In the embodiment shown in FIG. 1, a plurality of square solar cell modules 20 in plan view are arranged in a matrix. However, the size, shape, and arrangement method of the solar cell modules 20 are not particularly limited, and free sizes, shapes, and arrangements are possible. For example, a plurality of rectangular solar cell modules in plan view may be arranged side by side in the vertical direction of the screen portion 12. Generally, matrix arrangements are frequently used in crystalline silicon solar cell modules. In another embodiment, perovskite or the like may be applied or printed over the entire light-receiving surface. The solar cell module 20 is configured to utilize the photovoltaic effect and convert light energy into electric power.

[0016] Positive and negative extraction electrodes are formed on each solar cell module 20. The positive extraction electrodes formed on each solar cell module 20 are connected to each other by a positive ribbon wire (not shown). Similarly, the negative extraction electrodes formed on each solar cell module 20 are connected to each other by a negative ribbon wire (not shown). The plurality of solar cell modules 20 are connected to each other by the positive and negative ribbon wires in this way. The wiring format can be arranged in series or parallel, and is not limited here.

[0017] At the lower end of the screen portion 12, a positive lead wire and a negative lead wire (both not shown) are connected to the positive and negative ribbon wires, respectively. The positive and negative lead wires are drawn out from the lower end of the screen portion 12 to the outside. The lower end of the screen portion 12 is recessed into the bottom rail 18. The screen portion 12 is suspended by the bottom frame 18 by a holding member provided at the lower end. Inside the bottom frame 18, the positive and negative lead wires are connected to the control board.

[0018] The bottom rail 18 may be a hollow rod-shaped body. The outer cross-section perpendicular to the longitudinal direction of the bottom rail 18 may be rectangular or circular. The hollow rod-shaped body may be configured by combining two divided members, for example, by fitting.

[0019] Inside the bottom rail 18, a control board (not shown) for controlling the power generated by the solar cell 20 may be accommodated. The control board may include an MPPT (Maximum Power Point Tracking) control board, a charge and discharge control board, and a power supply board. These control boards control the power input via the positive lead wire and the negative lead wire. The MPPT control board is a control board for tracking the maximum operating point during power generation in real time according to changes in weather conditions. The charge and discharge control board is a control board for controlling the charging and discharging of the power generated by the solar cell 20. The power supply board is a board for controlling the supply of power to the outside via a power supply port.

[0020] The bottom rail 18 may be provided with a power supply port 28 for outputting power to the outside. The power supply port 28 may be, for example, a USB port or a DC jack. By inserting the connector of a charging cable into the power supply port 28, it is possible to charge a mobile terminal such as a smartphone.

[0021] As shown in FIGS. 1 and 2, in the present embodiment, the screen portion 12 is disposed between the two side posts 101 and 102. Also, the dimension between the side posts 101 and 102 is larger than the horizontal dimension of the screen portion 12. Accordingly, a gap 30 exists between the screen portion 12 and the side post 101, and a gap 31 exists between the screen portion 12 and the side post 102. Heat transfer may occur from such gaps 30 and 31, resulting in a possible reduction in heat insulation performance.

[0022] Therefore, the roll screen device 10 according to the present embodiment includes an adjustment plate 32 disposed so as to close the gap 30 between the screen portion 12 and the side post 101, and an adjustment plate 33 disposed so as to close the gap 31 between the screen portion 12 and the side post 102. The adjustment plates 32 and 33 may be structurally adhered to the indoor sides of the side posts 101 and 102 by a structural sealant 112. By closing the gaps 30 and 31 with the adjustment plates 32 and 33 in this way, heat transfer from the gaps 30 and 31 can be suppressed, so that a reduction in heat insulation performance can be suppressed.

[0023] The adjustment plates 32 and 33 may be plate-shaped members having transparency or translucency. The adjustment plates 32 and 33 may be, for example, plate-shaped members formed of a resin such as glass or polycarbonate. In FIG. 2, the adjustment plates 32 and 33 are configured as a multilayer panel in which two panels are arranged opposite to each other, but may also be a single-layer panel.

[0024] As described above, in a roll screen device including a solar cell, the size of the screen portion is often restricted due to the size and arrangement of the solar cells, and it is not easy to prepare a roll screen device corresponding to various sizes of the spaces between uprights. In the roll screen device 10 according to the present embodiment, by adjusting the dimensions of the adjustment plates 32 and 33, the gaps 30 and 31 between the screen portion 12 and the uprights 101 and 102 can be adjusted to correspond to openings of various dimensions. Also, errors in the screen portion 12 can be accommodated. Adjusting the dimensions of the adjustment plates 32 and 33 by cutting or the like is much easier compared to adjusting the dimensions of the screen portion.

[0025] Referring to FIG. 3, an example of the end structure of the adjustment plate will be described. Here, the adjustment plate 33 is referred to, but the same applies to the adjustment plate 32. The adjustment plate 33 shown in FIG. 3 is configured as a multilayer panel in which a space 37 is provided between two spaced-apart adjustment plates (a first adjustment plate 35 and a second adjustment plate 36), and dry air is enclosed in the space 37. The first adjustment plate 35 and the second adjustment plate 36 may be glass plates. The adjustment plate 33 includes a structural adhesive portion (or a spacer with an adhesive surface) 38 for defining and adhering the distance between the first adjustment plate 35 and the second adjustment plate 36, and a desiccant 39 for preventing dew condensation in the space 37.

[0026] As shown in FIG. 3, the structural adhesive portion 38 and the desiccant 39 are disposed slightly inside the end portion 35a of the first adjustment plate 35 and the end portion 36a of the second adjustment plate 36. That is, the end portion 35a of the first adjustment plate 35 and the end portion 36a of the second adjustment plate 36 protrude outward from the structural adhesive portion 38 and the desiccant 39. And, the end portion 12a of the screen portion 12 is disposed between the end portion 35a of the first adjustment plate 35 and the end portion 36a of the second adjustment plate 36. In this way, by disposing the end portion 12a of the screen portion 12 between the end portion 35a of the first adjustment plate 35 and the end portion 36a of the second adjustment plate 36, the space between the screen portion 12 and the gable can be surely blocked.

[0027] The roll screen device 10 according to the present embodiment further includes a guide rail 40 that guides the elevation of the screen portion 12 at the horizontal end of the adjustment plate 33. The guide rail 40 is configured to extend in the vertical direction (up and down direction). The guide rail 40 is composed of a first guide rail component 41 and a second guide rail component 42. The first guide rail component 41 and the second guide rail component 42 may be formed by bending a metal plate such as aluminum, or may be formed of a resin material. The first guide rail component 41 and the second guide rail component 42 are configured to sandwich the end portion 12a of the screen portion 12. The first guide rail component 41 may be fixed to the end portion 35a of the first adjustment plate 35 by a method such as adhesion. The second guide rail component 42 may be fixed to the end portion 36a of the second adjustment plate 36 by a method such as adhesion. As shown in FIG. 3, in order to increase the strength of the second guide rail component 42, a backup material 43 may be sandwiched between the second guide rail component 42 and the second adjustment plate 36. The backup material 43 also has a role of suppressing the peeling of the second guide rail component 42 adhered to the second adjustment plate 36.

[0028] When the screen unit 12 moves up and down, the end 12a of the screen unit 12 slides within the guide rail 40. The gap between the guide rail 40 and the screen unit 12 may be filled with mohair or the like. By providing the guide rail 40, heat transfer from the lateral side of the screen unit 12 can be further prevented, so that the heat insulation performance can be further improved. Furthermore, an effect of suppressing wrinkles in the screen unit 12 can also be expected.

[0029] The first guide rail component 41 and the second guide rail component 42 also have the role of protecting the end 35a of the first adjustment plate 35 and the end 36a of the second adjustment plate 36. Also, the first guide rail component 41 and the second guide rail component 42 have the role of preventing injury caused by directly touching the end 35a of the first adjustment plate 35 and the end 36a of the second adjustment plate 36.

[0030] FIG. 4 shows an example in which the adjustment plate 33 is a single-layer panel instead of a multi-layer panel. As shown in FIG. 4, a guide rail 40 for guiding the up and down movement of the screen unit 12 is provided at the end 33a of the adjustment plate 33. The guide rail 40 is configured to sandwich the end 12a of the screen unit 12. The guide rail 40 may be formed by bending a metal plate such as aluminum, or may be formed of a resin material. The guide rail 40 may be fixed to the end 33a of the adjustment plate 33 by a method such as adhesion.

[0031] Thus, even when the adjustment plate 33 is a single-layer panel instead of a multi-layer panel, by sandwiching the end 12a of the screen unit 12 with the guide rail 40, heat transfer from the lateral side of the screen unit 12 can be further prevented, so that the heat insulation performance can be further improved.

[0032] As described above, the present invention has been described based on the embodiments. These embodiments are illustrative, and it is understood by those skilled in the art that various modifications and changes are possible within the scope of the claims of the present invention, and such modified examples and changes are also within the scope of the claims of the present invention. Therefore, the descriptions and drawings in this specification should be treated as illustrative rather than restrictive.

Description of Symbols

[0033] 10 Roll screen device, 12 Screen part, 14 Holding part, 16 Take-up drum, 17 Support member, 18 Bottom rail, 20 Solar cell, 28 Power supply port, 32, 33 Adjustment plate, 35 First adjustment plate, 36 Second adjustment plate, 40 Guide rail, 41 First guide rail component, 42 Second guide rail component, 101, 102 Vertical stand.

Claims

1. A screen part disposed in the upright space, An adjustment plate disposed so as to close the gap between the upright and the screen part, A roll screen device comprising the above.

2. The roll screen device according to claim 1, wherein the adjustment plate is transparent or has translucency.

3. The roll screen device according to claim 1, wherein the adjustment plate is adhered to the upright.

4. The roll screen device according to claim 1, wherein the adjustment plate has a guide rail for guiding the lifting of the screen part.

5. The adjustment plate includes a first adjustment plate and a second adjustment plate disposed at a predetermined interval, The roll screen device according to claim 1, wherein an end portion of the screen part is disposed between the first adjustment plate and the second adjustment plate.

Images