JP2699301B2 - Combination roof structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combined roof structure for simultaneously performing solar power generation and solar heat-based air heat collection.

[0002]

2. Description of the Related Art Conventionally, roofs that utilize solar heat include those that generate electricity by arranging solar cells, and those that provide air passages and water pipes to warm air and water flowing inside to obtain hot air and hot water. Etc. are known. Among those described above, a solar battery is disclosed in Japanese Utility Model Publication No. 63-21629, which generates power by arranging solar cells. This roof has a configuration in which a heat exchanger is provided in an air flow passage extending from the eaves to the ridge through the back surface of the solar cell roof panel. An attempt is made to use excess heat energy by maintaining power generation efficiency and collecting heat from air flowing through the air flow passage.

[0003]

However, in the above-mentioned conventional roof, although the air flowing through the air flow passage is warmed more than the outside air, it has a sufficient heat energy as compared with a heat collector for the purpose of collecting heat only. Can not get.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above, and has a roof structure in which a solar cell section comprising a solar cell and a heat collecting section having an air flow path are provided. The battery unit includes a solar cell, a support member, and a gutter-shaped drainage plate, a space is formed between the solar cell and the drainage plate, and the heat collector includes a light-transmitting plate, a support member, and a gutter-shaped drainage plate. The air flow path is formed between the translucent plate and the drain plate, and the heat collecting part is laid so as to be located closer to the ridge than the solar cell part, and the space between the solar cell part and the heat collecting part is formed. The present invention relates to a combined roof structure, characterized in that a circulation space is formed in communication with the air flow path of the section, an intake port is provided on the eaves side of the circulation space, and a duct is provided on the ridge side.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings.

The present invention proposes a combined roof structure of a solar cell section 1 composed of a solar cell 11 and a heat collecting section 2 having an air flow path 21. In the illustrated embodiment, the solar cell section 1 is provided. A solar cell panel, the heat collecting section 2 is a heat collecting panel, and these two types of roof panels (solar cell panels 1 and 2).
It was assumed to be constructed using the heat collecting panel 2).

The solar cell panel 1 includes a solar cell 11, which is a solar energy collector. Support members 3 are attached to left and right side edges of the solar cell 11, and a ridge side connection member 4 is attached to a ridge end. An eave-side connection member 5 is attached to the eave edge, and a gutter-shaped drainage plate 6 is further integrally provided on the back side, and is fixed to the ground surface with an attachment member 7.

The support member 3 in the solar cell panel 1
Is a member that is disposed inside the drainage plate 6 and supports the left and right side edges of the solar cell 11. The vertical portion 31 and the inside of the vertical portion 31 are formed inside the side portion 62 of the drainage plate 6 in a superposed state. , And a substantially L-shaped extending portion 32 extending in the vertical direction.
2, a waterproof space 33 that opens upward is formed. The extending portion 32 is provided with a supporting portion 321 which is a laterally concave portion.
To receive and support the holding elastic member 12 attached to the side edge of the holding member. Further, the upper horizontal piece of the support portion 321 serves as a receiving portion for receiving the cover member 8 arranged at the connection interval in the horizontal direction between the panels. On the other hand, a locked piece 311 protruding inward is provided in the middle of the vertical portion 31, and the cover member 8 can be attached in a fitting manner. In the illustrated embodiment, an output cable (not shown) of the solar cell 11 is connected to a part of the vertical portion 31.
312 and a through hole for a screw 721 are provided.

The ridge-side connecting member 4 is a solar cell 1
1. A ridge end insertion portion 41 which is a member for supporting the ridge end of the solar cell 11 and is a concave portion having an open eaves side, and the holding elastic member 12 inserted into the ridge end of the solar cell 11 by the ridge end insertion portion 41. It is a configuration that receives and supports the sound. Furthermore, the above-mentioned ridge end insertion section 4
The engaged portion 42, which is a thick horizontal piece directed toward the ridge, is provided on the back side of 1. Below the ridge end insertion portion 41 and the engaged portion 42, a substantially triangular ridge-side frame portion 43 toward the eaves side and a ridge-side horizontal piece 44 toward the ridge side are extended. A fixed interval 45 between the engaging portion 42 and the ridge-side horizontal piece 44
Are opposed to each other.

Further, the eaves-side connecting member 5 is a member for supporting the eaves edge of the solar cell 11 and includes an eaves-end insertion part 51 which is a concave part opened on the ridge side. In this configuration, the holding elastic member 12 inserted into the edge of the eave is received and supported. In addition, the above-mentioned eaves end insertion part 5
An engagement portion 52 is provided on the back surface side of the first member 1 as a thick horizontal piece directed toward the eaves side. Further, a substantially triangular eave-side frame portion 53 extending toward the ridge extends below the eave-end insertion portion 51, and an eave-side vertical piece 54 and an eave-side horizontal piece 55 are provided on the lower surface of the engaging portion 52. It is extended in a substantially T-shape.

The drainage plate 6 is a gutter member longer than the solar cell 11 and has side surfaces 62 and 62 formed by raising left and right side edges of a substantially flat bottom surface 61. Further, the side surface portion 62 is provided with an inclined portion 63 whose upper portion is inclined outward and a water return portion 64 whose tip is bent inwardly. The side portion 62
The hole 31 provided in the vertical portion 31 of the support member 3
A hole communicating with No. 2 was provided.

The mounting member 7 is a short material having a substantially L-shaped cross section, and has a configuration in which a fixed portion 71 to a base surface, which is a substantially horizontal piece, and a substantially vertical vertical portion 72. The fixing portion 71 has a mounting hole 711 for a fixing tool (not shown) to be driven into the base surface. Further, a through hole for a screw 721 is formed in the vertical portion 72.

In order to manufacture the solar cell panel 1 by integrating the above-described members, the supporting members 3 and 3 and the ridge-side connecting member 4 are provided on the left and right side edges, the ridge edge and the eave edge of the solar cell 11. The eave-side connecting member 5 is attached, and the drainage plate 6 is disposed so that the inner surface of the side surface portion 62 extends along the outer surface of the vertical portion 31 of the support member 3. At this time, an inclined portion 313 in which the upper portion of the vertical portion 31 of the support member 3 is inclined outward is fitted between the inclined portion 63 of the drainage plate 6 and the water return portion 64. In addition, the solar cell 11
Since the eaves edge of the drainage plate 6 and the eaves edge of the drainage plate 6 are arranged so as to be aligned with each other, the overlapping portion 65 in which the solar cell 11 is not mounted occurs on the ridge side of the long drainage plate 6. Thereafter, the vertical portion 72 of the mounting member 7 and the side portion 6 of the drainage plate 6 are aligned with the outer surface of the side portion 62 of the drainage plate 6.
2 and the vertical portion 31 of the support member 3 are overlapped with each other, and the vertical portion 72 of the mounting member 7 and the vertical portion 31 of the support member 3 are aligned.
Are aligned through the side surface 62 of the drainage plate 6 and integrated with screws 721. The solar cell panel 1 integrated in this manner can be fixed to the base surface by driving a fixing tool (not shown) from a mounting hole 711 provided in the fixing portion 71 of the mounting member 7.

The output cable (for the solar cell 11) is provided in the hole 312 provided in the vertical portion 31 of the support member 3 in the solar cell panel 1 and the hole provided in the side surface 62 of the drainage plate 6 communicating therewith. A guide member 13 for facilitating removal of the guide member (not shown) is attached.
Has a configuration in which a vertical surface portion 131 and a substantially square-shaped pocket portion 132 with an inner side surface removed are integrated.

A cover member 8 is attached to the lateral connection intervals of the solar cell panel 1. The cover member 8 has a substantially planar adhered portion 81, a fitting portion 82 whose left and right side edges are bent downward, and extends substantially horizontally outward from an upper end of the fitting portion 82. This is a configuration including the mounting portion 83. A substantially U-shaped extending piece 82 is provided at the lower end of the fitting portion 82.
1 and a locking piece 822 protruding inward.
When the cover member 8 is pressed from above facing the adjacent solar cell panels 1 and 1, the mounting portions 83 and 83 are received by the upper horizontal piece of the support portion 321 of the support member 3, and the fitting portion 82 enters the waterproof space 33 and the locking piece 82
2 elastically engages with the locked piece 311.

Further, the connection of the solar cell panel 1 in the building eaves direction is performed by connecting the drainage plate 6 of the solar cell panel 1 disposed on the ridge side with the eaves edge of the drainage plate 6 of the solar cell panel 1 already fixed. 65, and the engaging portion 52 of the eave-side connecting member 5 of the solar cell panel 1 arranged on the ridge side is engaged with the engaged portion 42 of the ridge-side connecting member 4 of the solar cell panel 1 already fixed. It is sufficient to arrange them. In the illustrated embodiment, the engagement portion 52 and the engaged portion 42 are in an engagement state in which the engagement portion 52 and the engaged portion 42 are elastically pressed from above and below, but this connection is not limited to the above. Instead, any connection means such as polymerization, hooking, elastic engagement and the like may be used.

In the solar cell panel 1 having the above structure, even when rainwater enters the waterproof space 33 from the gap between the support member 3 and the cover member 8, the waterproof space 33 is located inside the drain plate 6. Therefore, it is possible to prevent rainwater from entering the room side beyond the side surface portion 62, the inclined portion 63, and the water return portion 64 of the drainage plate 6, and the rain of the panel is ensured. Also, even if rainwater enters the back side from the connection part in the building eaves direction or the like, the drainage plates 6 and 6 are connected by the overlapping section 65 to receive the rainwater, so that the rainwater can be reliably discharged to the eaves. . In addition, since the drainage plate 6 is integrally fixed to the solar cell panel 1 and further has the fixing portion 71 to the base surface, the number of members brought to the site for construction is extremely small. . Further, an output cable or the like of the solar cell 11 is taken out from the space 14 on the back surface of the solar cell 11 through the hole 312 (guide member 13), and is connected to the output cable or connected to a connection cable (not shown) arranged in the building eaves direction. Wiring such as connection can be appropriately performed. Alternatively, even after the installation, the cover member 8 can be removed to quickly and easily deal with a cause of a defect such as a wiring defect. Therefore, the space formed by the side surface of the solar cell panel 1, that is, the side surface portion 62 of the drainage plate 6 and the back surface of the cover member 8 can be used as a wiring space for accommodating the output cable and the like of the solar cell 11.

On the other hand, the heat collecting panel 2 is provided with the air flow path 21, but the structure other than the main part is the same as that of the solar cell panel 1. That is, a light-transmitting plate 22 made of tempered glass or the like is provided in place of the solar cell 11, and the light-transmitting plate 22
The supporting members 3 and 3 are attached to the left and right side edges of the ridge, the ridge-side connecting member 4 is attached to the ridge end, the eave-side connecting member 5 is attached to the eave end, and a gutter-shaped drainage plate 6 is integrated on the back side. And fixed to the ground surface by the mounting member 7. Therefore, the connection of the heat collection panel 2 in the horizontal direction is performed using the cover member 8 as in the case of the solar cell panel 1, and the connection in the building eaves direction may be performed in the same manner as described above. The light transmitting plate 22 may have a multilayer structure for preventing heat radiation. In the figure, reference numeral 23 denotes a holding elastic member mounted on a side peripheral edge of the light transmitting plate 22.

A heat collector 24 is provided in an air flow path 21 formed on the back side of the light transmitting plate 22 of the heat collecting panel 2.
Due to the heat collector 24, the air flow path 21 becomes an upper flow path 211,
It is divided into a lower channel 212. The heat collector 24 may be a corrugated sheet made of metal or the like, a metal wool material having fine voids through which air can flow, or a multilayer structure having two or more layers. good. Further, the air flow path 21 is a heat collecting space, and a water pipe (not shown) may be provided together with the heat collecting body 24. The heat collector 24 of the illustrated embodiment is made of a fibrous or ribbon-shaped metal material,
This is a metal wool material formed into a wool shape having a density such that it has fine voids through which air can flow at least in the thickness direction, and formed into a mat shape as shown in FIG. As the metal wool material, a material made of waste material such as cutting chips produced by metal processing may be used. In this case, it is possible to contribute to resource reuse and to reduce material costs. . Further, the surface of the metal wool material may be treated with zirconium carbide, chromium oxide, or the like, and a selective absorption film treatment for efficiently obtaining sunlight may be performed. FIG.
As shown in FIG. 6, a permeable holding plate 241 such as a wire mesh or punched metal is disposed on the upper and lower surfaces of the heat collector (metal wool material) 24 shown in FIG. The bending of (24) may be suppressed to improve the handleability.

By connecting the heat collecting panels 2 in the direction of the eaves, the air flow path 21 on the back surface of the light-transmitting plate 22 communicates in the direction of the eaves, but as shown in FIG. In 21, the heat collector 24 was disposed so as to appropriately separate the space (air inflow portion 213). A guide plate 25 having one end in contact with the light transmitting plate 22 and the other end located in the lower flow path 21B is disposed in the air inflow portion 213. The guide plate 25 is configured to extend downward from the one end fixed to the light transmissive plate 22 toward the ridge side, and is further bent along the lower surface of the heat collector 24. By providing the air inflow portion 213 as described above, the guide plate 25 is provided.
Is arranged, the warm air in the upper flow path 211 is guided to the lower flow path 212 as shown by the arrow, so that the temperature of the air in the air flow path 21 is made uniform and the temperature gradient with the heat collector 24 is increased. And the heat exchange efficiency is improved. The upper flow path 21
Since the warm air of No. 1 is low, the heat release due to the temperature difference from the outside air at the contact portion of the light transmitting plate 22 can be suppressed. Will also be high.

The combined roof structure according to the present invention is constructed by using the solar cell panel 1 and the heat collecting panel 2 having the above-described configuration. As shown in FIG. The structure is located on the ridge side. Also, in the illustrated embodiment, styrene, resin foam material such as urethane foam,
A solar cell panel 1 and a heat collecting panel 2 were laid on a base surface on which a heat insulating material 90 such as a glass wool board or a wool cement board was laid. The connection between the solar cell panel 1 and the heat collecting panel 2 in the ridge eaves direction is the same as the connection between the solar cell panels 1, and thus the description is omitted. The space 14 and the air flow path 21 of the heat collecting panel 2 communicate with each other to form a circulation space 91. A suction port 92 is provided on the eaves side of the distribution space 91, and a ridge structure 94 having a duct 93 is provided on the ridge side.

In the combined roof structure of the present invention constructed as described above, the heat collection panel 2 and the solar cell panel 1 are laid in the direction of the eaves, and the distribution space 9 is continuous through both panels.
1 are formed, the evacuation-side air inlet 92 leads to the circulation space 9.
The outside air taken into 1 is the solar cell 11 of the solar panel 1
The flow to the back surface prevents the temperature of the solar cell 11 from rising, and does not lower the power generation efficiency. Further, the air that has absorbed the residual heat of the solar cells 11 is subsequently flown into the heat collecting space (the air flow path 21) of the heat collecting panel 2, so that sufficient heat can be obtained. Further, the heat collecting space (air flow path 21)
Since the heat collector 24 is disposed in the, the heat collection efficiency is further improved. Furthermore, since the attached portion 81 of the cover member 8 in the illustrated embodiment is substantially flush with the solar cell 11 and the light transmitting plate 22, a shadow may be formed on the surface of the solar cell 11 and the light transmitting plate 22. Power generation and heat collection can be performed efficiently.

In the embodiment shown in FIG. 10, the heat collecting panel 2 on the ridge side is steep, and in the embodiment shown in FIG. 11, the solar cell panel 1 on the eave side is steep. These modes may be appropriately selected depending on whether the emphasis is on heat collection or power generation. For example, in summer, power generation by using a cooling device or the like is emphasized, and heat demand is small. Conversely, in winter, the demand for electric power by using heating equipment is not small, but heat collection that can be used for heating is emphasized. Therefore, for example, in order to increase the heat collecting efficiency in winter when the solar altitude is low, the heat collecting panel 2 on the ridge side should be steep as in the embodiment shown in FIG. 10, and the angle should be larger than the annual average optimal mounting inclination angle. Is preferred. In the case of Tokyo, the average annual optimal tilt angle is about 33 °
It is 57 ° in winter from December to February.

Although the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the above-described embodiments, and can be implemented in any manner unless the structure described in the claims is changed. be able to.

[0025]

In summary, the combined roof structure of the present invention can prevent the temperature rise of the solar cell by preventing the outside air taken in from the eaves-side intake air from flowing to the back of the solar cell in the solar cell section, thereby efficiently generating electric power. it can. Further, the air that has absorbed the residual heat of the solar cell is subsequently passed through the air flow path of the heat collecting unit, so that sufficient heat can be obtained.

Further, when a heat collector is arranged in the air flow path of the heat collector, the heat collection efficiency can be further improved.

Furthermore, if the solar cell section and the heat collecting section are at least partially formed with different gradients, if necessary, the solar cell section or the heat collecting section is set to an angle larger than the average optimum inclination angle, so that a sufficient angle can be obtained. Power generation or heat collection can be performed. In particular, when the heat demand is high, such as in winter, sufficient power generation and heat collection can be performed by using the solar cell unit and the heat collecting unit that are at the solar altitude.

[Brief description of the drawings]

FIG. 1 is a plan view showing a solar cell panel which is an example of a solar cell section.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a side sectional view showing a connection portion of the solar cell panel of FIG. 1 in a ridge house direction.

FIG. 4 is a plan view showing a heat collecting panel as an example of a heat collecting unit.

FIG. 5 is a sectional view taken along line BB in FIG. 4;

FIG. 6 is a perspective view showing a heat collector used for the heat collector panel of FIG.

FIG. 7 is a perspective view showing another embodiment of the heat collector.

8 is a side sectional view showing a configuration of a heat collecting space (air flow path) of the heat collecting panel of FIG.

FIG. 9 is a side sectional view showing one embodiment of the combination roof structure of the present invention.

FIG. 10 is a side sectional view showing another embodiment of the combined roof structure of the present invention.

FIG. 11 is a side sectional view showing another embodiment of the combination roof structure of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Solar cell part (solar cell panel) 11 Solar cell 13 Guide member 2 Heat collecting part (heat collecting panel) 21 Air flow path (heat collecting space) 22 Translucent plate 24 Heat collector 3 Supporting member 31 Vertical part 32 Existing part 33 Waterproof space 4 Building side connection member 41 Building end insertion part 42 Engaged part 5 eaves side connection member 51 eaves end insertion part 52 Engagement part 6 Drain plate 61 Bottom part 62 Side part 7 Mounting member 8 Cover member 91 Distribution Space 92 Inlet 94 Duct

Claims (4)

(57) [Claims] 1. A combined roof structure comprising a solar cell section comprising a solar cell and a heat collecting section having an air flow path, wherein the solar cell section comprises a solar cell, a support member, and a gutter-shaped drainage plate. A space is formed between the solar cell and the drain plate, and the heat collecting portion includes a light transmitting plate, a support member, and a gutter-shaped drain plate, and the air is provided between the light transmitting plate and the drain plate. Flow path is formed, the heat collecting part is laid so as to be located on the ridge side from the solar cell part, and a circulation space is formed in which the space of the solar cell part and the air flow path of the heat collecting part communicate with each other. Combined roof structure characterized by an air inlet on the eaves side of the distribution space and a duct on the ridge side. 2. The combined roof structure according to claim 1, wherein a heat collector is arranged in an air flow path of the heat collector. 3. The combined roof structure according to claim 1, wherein at least a part of the solar cell part and the heat collecting part have different slopes. 4. The combined roof structure according to claim 2 , wherein a water pipe is provided in an air flow path of the heat collecting section.