JP2000133832A - Panel and device for photovoltaic power generation-heat collecting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable both a photovoltaic power generation system and a hot water supply/air conditioning system which utilizes solar heat to operate by a method, wherein a panel where an air flow layer and a solar heat collector provided below a solar cell module is installed on a roof. SOLUTION: A photovoltaic power generation-heat collecting panel 1 is provided with a solar cell module 2 and a solar heat collector 3, where the cell module 2, and the heat collector 3 are arranged in one piece in the vertical direction separating from each other by a certain space. The space between the cell module 2 and the heat collector 3 is made to serve as an air flow layer 7, and a flow vent 8 is provided in the air flow layer 7. In this way, panels 1 are provided both in the lateral and the longitudinal directions on a panel fixing equipment 15 installed on a roof R for the formation of a photovoltaic power generation-solar heat collecting device 16. With this setup, both a photovoltaic power generation system and a hot water supply/air conditioning system which utilizes solar heat can be made to operate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photovoltaic / heat collecting panel and a photovoltaic / heat collecting device in which a solar cell module and a solar collector are integrally connected.

[0002]

2. Description of the Related Art Conventionally, solar light received by a solar cell installed on a roof is converted into electricity to cover household power, surplus power is supplied to an electric company by solar power generation, or installed on a roof. In a solar collector, there is a system in which heat taken in through a heated heat medium is used for hot water supply and cooling / heating equipment.

[0003]

However, as a total system using both the solar cell and the solar collector as described above, both the solar cell and the solar collector must be installed on the roof. It was difficult to obtain sufficient electricity and heat even if both of them were installed in a limited space on the roof as the area and the heat collection area were larger and more efficient.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention provides an air circulation layer below a solar cell module, and installs a panel on which a solar collector is disposed on a roof. In order to obtain sufficient electricity and heat even in a limited space, both a solar power generation system and a hot water supply / cooling / heating system using solar heat will be operated.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a solar power generation / heat collecting panel formed in a substantially flat plate shape. This panel 1 has a solar cell module 2 and a solar heat collector 3 arranged vertically above and below each other, and the two 2 and 3 are integrated. Are provided.

[0006] The module 2 and the heat collector 3 are integrally connected by a frame 4. The frame 4 is connected to the inner corners of the upper and lower ends of the angle steel made of stainless steel or aluminum. Two pairs of support pieces 5, 5a, 6, 6a corresponding to the thickness of the heat collector 3 are respectively protruded, and the module 2 and the four corners of the heat collector 3 are interposed between the support pieces 5, 5a, 6, 6a. Are fixed, and are fixed with screws or the like. In the panel 1, a space between the module 2 and the heat collector 3 is defined as an air circulation layer 7, and a circulation port 8 of the air circulation layer 7 which is open on all sides of the panel 1 is provided.

The module 2 has a glass substrate 9 on which a semiconductor material such as monocrystalline silicon, polycrystalline silicon or amorphous silicon is carried on the back surface, or a semiconductor material which is carried on the substrate 9 and is surrounded by an envelope. The existing solar panels enclosed in are used.

The heat collector 3 has a heat collector 11 placed on a fixed substrate 10, and a waterproof transmission plate 12 for reducing convection and radiant heat loss from the heat collector 11. Installed in The heat collecting body 11 is a copper heat collecting tube arranged meandering below the heat collecting plate 13.
14 are joined together. Note that the heat collector 3 is not limited to the above-described configuration, and may be an existing flat heat collector.

A plurality of panels 1 are arranged vertically and horizontally on a panel fixing device 15 installed on the roof R to form a solar power generation / heat collecting device 16. The panel fixing device 15 includes a gantry frame 17 for installing a plurality of panels 1.
And a gantry support 18 for supporting the same on the roof R.

The gantry frame 17 includes a plurality of support rods 19 made of aluminum or stainless steel and a panel mounting rod.
And 20 are assembled in a grid. Support rod 19
Is a member corresponding to the lower side of the gantry frame 17, and is formed by recessing a bottom raising portion 21 in the center of the lower portion thereof in the longitudinal direction and is arranged in parallel with the row direction X of the roof R.

The panel mounting rod member 20 has a pair of guide rails 22 and 22a having a substantially U-shaped cross section, and has a back 23 so that a gap 23 is provided between the backs of the guide rails 22 and 22a.
2 and 22a are integrally formed, and are assembled orthogonally so as to be arranged in parallel with the width of the panel 1 in the flow direction Y on the supporting rod 19. U-shaped grooves 24, 24 of guide rails 22, 22a
The height “a” corresponds to the thickness of the panel 1 and is configured to hold the side of each of the panels 1 arranged adjacent to each other.
In addition, the panel mounting rod 20 has a bottom 25 with high strength, and in order to reduce the height of the panel mounting rod 20 as much as possible,
It is formed in a flat rectangular pipe shape. Then, the intersection between the supporting rod 19 and the panel mounting rod 20, that is, the bottom raised portion 21 of the supporting rod 19 and the bottom corresponding to the gap 23 between the panel mounting rod 20.
25 are provided with through holes, and bolts 26 inserted through the through holes are provided.
With the nut 26a, and the supporting rod 19 and the panel mounting rod
20 are arranged in a grid.

In the gantry frame 17, among the panel mounting rods 20 arranged in parallel to the flow direction Y on the support rods 19, those arranged on the ridge side and the eave side of the roof R, the ridge side and the eave side. The guide rails 22a directed to the bottom portion 25 are abolished, only one guide rail 22 is provided, and a droop 27 is formed on the longitudinal side of the bottom 25. Then, between the panel mounting rod members 20, the opposite side of the panel 1 is fitted from one end side of the opposing guide rail 22, and the panel 1 is sequentially slid along the guide rails 22 and 22a.
A plurality of panels 1 are arranged in rows in the column row direction X. For each panel row, the air flow layer 7 of each panel 1 forms an air flow passage 28 that communicates in the row direction X.

Further, a stopper 29 of the panel 1 is provided on the other end side of the guide rails 22 and 22a, and the panel 1 is fixed inside the other end of the guide rails 22 and 22a by the stopper 29. Also, at both ends of the panel mounting rod material 20,
The decorative member 30 is provided in the flow direction Y. The decorative member 30 includes a flat rectangular pipe-shaped base 31, a louvered wall 32 provided on one longitudinal side, and a hanging 33 formed on the other longitudinal side. And standing wall 32
Abuts against the end of the panel mounting rod 20, and the bottom 25 of the panel mounting rod 20 extending in the longitudinal direction thereof.
Then, the base 31 of the decorative member 30 is placed, and the base 31 is fastened to the bottom 25 by bolts 26 and nuts 26a. In this state, the air flow passage 28 communicates with the outside through the gap (the ventilation port 30a) of the louver of the decorative member 30. Here, the decorative member 30 provided at the other end of the guide rails 22 and 22a is provided.
And the panel 1 adjacent thereto have a space, and a blowing means 34 such as a blower is provided in this space. The air blowing means 34 is set so as to blow air into the air flow passage 28 and to always operate during sunshine.

In addition, a through hole is provided at an appropriate position on the back of the guide rails 22 and 22a, the wiring L for the solar cell module and the end of the heat collecting tube 14 are inserted into the through hole, and the panel 1 adjacent to the flow direction Y is disposed. Connected comrades. Then, the heat collecting tube 14 is filled with a heat medium such as antifreeze, connected to a piping path of a heat utilization system such as a hot water supply / cooling / heating system, and circulates the heating medium by a circulation pump provided in the piping path. The heat transported by the heat medium is exchanged by the heat storage tank provided in the piping path, and the heat is supplied to the hot water supply and the load side of the cooling and heating equipment. The module 5 includes a storage battery,
It is connected to an electric circuit composed of a DC / AC exchanger, a switchboard, and the like, and supplies electricity to the load side at a constant voltage or current.

A cover 35 covers the upper part of the gap 23 between the panel mounting rods 20. The cover 35 is provided with hanging walls 36, 36a on the longitudinal sides of the band plate. L-shaped protruding pieces 37, 37 provided above the backs of the guide rails 22, 22a.
a. Reference numeral 38 denotes a ridge cover installed above the roof ridge. The ridge cover 38 is installed between the panel mounting rods 20 disposed on the ridge side, and a waterproof sheet is provided below the ridge cover 38.
39 are provided. Reference numeral 40 denotes a plurality of ridges which are erected in the longitudinal direction on the ridge of the base plate F, and a ridge cover 38 is fixed on a beam member 41 which is erected and supported above the ridges 40.
Note that the ridge cover 38 does not necessarily need to be installed, and is particularly installed when the panel 1 is laid on the entire surface of the roof R.

The gantry support 18 includes a base plate 42 erected between the rafters V on the base plate F, a column bolt 43 erected on the base plate 42, and a gantry frame 17 fixed to the column bolt 43. And vertical position adjusting means 44.

The base plate 42 is a rectangular plate having a length substantially corresponding to the interval between the adjacent rafters V.
A plurality of nail holes are provided, and a screw nail 45 inserted into the nail hole is nailed to the rafter V via the base plate F, and the base plate 42 is fixed. The base plate 42 has a slit 46 at the center in the longitudinal direction and a concave groove 47 formed along the slit 46 on the back surface of the base plate 42. On the other hand, the support bolt 43 is formed by forming a screw over its entire length, and by providing a rectangular plate-shaped head 43a corresponding to the width of the concave groove 47 at the lower end thereof. And slidably arranged on
The support bolt 43 is movably provided along the slit 46 of the base plate 42 by inserting the support bolt 43 through the slit 46. The column bolt 43 has a washer 48 and a fixing nut larger than the width of the slit 46 from the upper end.
By attaching the fixing nut 49, the periphery of the slit 46 is sandwiched between the head 43 a and the washer 48 by fastening the fixing nut 49, and the column bolt 43 is fixed at an appropriate position of the slit 46.
The position of the pillar bolt 43 on the slit 46 is adjusted so as to correspond to the perforation H provided in advance on the top A of the roofing material T, and the pillar bolt 43 penetrates and protrudes from the perforation H. still,
By making the head 43a of the support bolt 43 correspond to the width of the concave groove 47, the rotation of the support bolt 43 is prevented even if it is fixed at any position of the slit 46.

Further, in the roof material T, the penetrating portion (perforation H) of the column bolt 43 is closed by a seal member 50. The seal member 50 is provided around the support bolt 43 on the perforation H,
A waterproof sheet (not shown), a caulking material 51, a waterproof packing 52, a packing retainer 53, and a retainer nut 54 are provided in this order. Although the roofing material T is a corrugated steel sheet in which mountains and valleys are continuous, the invention is not limited thereto.

The vertical position adjusting means 44 comprises a level nut 55, a support plate 56 made of aluminum or stainless steel, and a cushioning member 57 made of synthetic rubber, which are mounted in order from the lower side of the column bolt 43. The support plate 56 is formed in a hat shape, and the level nut 55 supporting the lower center portion thereof is moved up and down by the support bolt 43 so that the vertical position is adjusted, and the buffer member 57 adhered to the support plate 56. The supporting rod 19 is placed on the upper part. The support bolt 19 is fixed on the support plate 56 whose vertical position has been adjusted by passing the support bolt 43 through an insertion hole formed at an appropriate position of the support rod 19 and fastening the upper end of the support bolt 43 with a top nut 58. Is done. The top nut 58 is mounted via a buffer member (not shown).

Next, the operation of the photovoltaic power generation / heat collection device using the photovoltaic power generation / heat collection panel according to the present invention will be described. In panel 2, module 2 arranged in the upper row
When sunlight is irradiated on the module 2, an electromotive force is generated by the photovoltaic effect, and the storage battery connected to the module 2 is charged and at the same time, power is supplied to the load side. When the power generation of the module 2 is insufficient or impossible due to rain or night, the storage battery discharges and constantly supplies stable power to the load side. or,
In the panel 2, the heat collector 3 arranged in the lower stage causes the radiant heat of the module 2 heated by sunlight to generate heat from the heat collecting plate 13.
Is heated, and the heat transported by the heat medium in the heat collecting tube 14 heated by the conduction heat is exchanged in the heat storage tank and supplied to the load side of the system. Excess heat in the air flow passage 28 that is not absorbed by the heat collector 11 is released to the outside from the ventilation port 30a of the decorative member 30 by the blowing means 34 that is constantly operating during the sunshine hours.

[0021]

In short, according to the present invention, since the heat collector 3 is arranged below the module 2 via the air circulation layer 7, both the power generation function and the heat collection function are provided in a limited space on the roof. Since the panel 1 can be installed and the module 2 and the heat collector 3 are integrated, the transportation and installation work on the site can be easily performed.

Further, the air circulation layer 7 of the plurality of panels 1 is arranged.
Made the continuous air flow passage 28 communicate with the outside,
Sufficient heat can be supplied to the hot water supply and the load side of the cooling and heating equipment by absorbing the radiant heat from the module 2 by the heat collector 3. On the other hand, the module 2 increases the temperature of the module 2 by absorbing the radiant heat of the module 2 by the heat collector 3 and releasing the excess heat in the air flow passage 28, which could not absorb the heat, to the outside through the flow of air. Output reduction can be suppressed and sufficient electricity can be supplied.

Further, since the air blowing means 34 is provided in the air flow path 28, the air flowing through the air flow path 28 can be forced by the air blowing means 34 to release the excess heat in the air flow path 28 to the outside. The practical effect is extremely large, for example, the power generation efficiency of the module 2 in 1 can be optimized.

[Brief description of the drawings]

FIG. 1 is a perspective view of a solar power generation / heat collection panel.

FIG. 2 is a cross-sectional view in a flow direction showing a usage state of a solar power generation / heat collection device.

FIG. 3 is a cross-sectional view in a row direction showing a usage state of the photovoltaic power generation / heat collection device.

FIG. 4 is an enlarged view of a main part of FIG. 1;

FIG. 5 is a perspective view of a gantry support.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Solar cell / heat collecting panel 2 Solar cell module 3 Solar collector 7 Air circulation layer 28 Air passage 34 Air blowing means

Claims (3)

[Claims] 1. A solar power generation and heat collection panel, wherein a solar heat collector is arranged below a solar cell module via an air circulation layer. 2. A plurality of solar cells and heat collecting panels each having a solar collector disposed below a solar cell module via an air flow layer, and an air flow passage formed by a continuous air flow layer of each panel. A photovoltaic power generation / heat collection device that is connected to the outside. 3. The photovoltaic power generation and heat collection device according to claim 2, wherein a blowing means is provided in the air flow passage.