JP5657476B2 - Solar array - Google Patents

Description

  The present invention relates to a solar cell array that performs photovoltaic power generation by being installed as a curtain wall, a roof, a handrail, or a wall surface.

  As a solar cell array for performing this type of photovoltaic power generation, Patent Document 1 below supports the four rounds of the solar cell module with gaskets in opposed grooves formed in a seamless and vertical manner, and is arranged on the back surface of the solar cell module. A cable is connected to the terminal box to output the power of the solar cell module, and a curtain wall is formed between the upper and lower windows. A flat C-shaped support metal fitting is arranged so as to straddle the vertical joint, the support metal fitting is fixed to a vertical or wire truss, and a terminal box is provided at the step or notch on the front side of the horizontal joint formed in the solar cell module. The terminal box and the cable are connected to the cable by installing and fixing the terminal box by the pushing edge, and the terminal box and the cable are prevented from being exposed outside the horizontal joint. That.

JP 11-336232 A JP 2001-53319 A

  In these cases, a relatively good appearance can be secured and the solar cell array can be installed on the wall surface. However, in general, a solar cell module is said to have a frame such as aluminum around its outer periphery. In the case of Document 1, each solar cell module is supported between the upper and lower windows by a gasket so that the outer periphery is a vertical and an invisible frame. In addition, since a terminal box disposed on the back surface of the solar cell module is used for power output, for example, when installed on a wire truss, there is a possibility that the terminal box impairs the appearance of the back surface. On the other hand, although the thing of patent document 2 can prevent that a terminal box and a cable impair the back surface external appearance, it fixes the planar C-shaped support metal fitting and terminal box which were arrange | positioned so that a vertical joint might be straddled at the intersection of a vertical and horizontal joint There is still a possibility that the ridges to be ejected will be relatively large, and these will also impair the appearance.

  The present invention has been made in view of such circumstances, and the problem to be solved is to make the installation appearance as possible by making the support of the solar cell module as stable and strong as possible and making it frameless. It is in providing the solar cell array made favorable.

As a result of intensive studies along the above-mentioned problems, for example, the DPG (dot point glazing) method has a track record in forming the wall surface of a large area glass curtain wall and supports the glass panel stably and firmly. If applied to a solar cell array, the solar cell module can be configured as a frameless one, and if the support is performed by the DPG method in the same manner as the glass panel, the solar cell module is supported on the support. In addition, since the decorative dot plate is only exposed in a circular shape on the surface of the solar cell module, for example, the appearance can be improved. When using the DPG method, the solar cell module is provided with a through hole for supporting the above and its support. By using the metal fittings for supporting the solar cell module and outputting its power, both the support function and the output function can be used to eliminate the possibility of damaging the appearance, and at the same time, the power output is effectively and appropriately performed. The present invention has been obtained by obtaining the knowledge that it can be obtained, that is, the invention according to claim 1, wherein the adjacent corners of the solar cell module are structured by the DPG method. The solar cell array is supported by the DPG method, and the electric power of the solar cell module is output to the structure housing side through the through hole formed at the support position of the DPG method and the support fitting of the DPG method inserted in the through hole. Ri Na and freely, the hollow bolts the supporting bracket, a fixing base for fixing to the structural framework, a hollow bolt projecting forwardly from the stationary base, a tip of the hollow bolt as positional A fitting insertion ring having a diameter equal to or smaller than the inner diameter of the through hole of the solar cell module to be fitted and a pair of front and rear so as to sandwich the fitting insertion ring in the front and rear, and the front is for cosmetic use and the rear is tightened. An output lead wire guided to the through-hole of the solar cell module is guided into a hollow bolt fitted with the insertion ring, and the hollow bolt and connected to the cable via the connection terminal disposed in the through hole position, it is obtained by a solar cell array, wherein Rukoto such as a freely output to structural skeleton side of the solar cell module.

In addition to the above, the invention according to claim 2 makes the relationship between the insertion ring and the through hole of the solar cell module in the support metal fitting of the DPG method a preferable form, and the vicinity of the through hole is formed by the support metal fitting. The fitting ring is made smaller than the inner diameter of the through hole of the solar cell module so that reliable support and protection in the vicinity of the through hole can be ensured without damage. A pair of front and rear interposed between the through hole and the insertion ring so as to fill a gap between the insertion ring and the through hole is provided with a protective ring that can be fitted in the front and rear. The solar cell array according to Item 1 is provided.

The invention according to claim 3, 4 and 5, also in addition to the above, a solar cell array formed by DPG method to those of the respective preferred embodiments in the building art, the invention described in claim 3 , the solar cell array, a solar cell array according to claim 1 or 2, characterized in that the curtain wall wall supported on the structural framework consisting of mullion or wire truss by a support bracket DPG method, according to claim 4. The solar cell array according to claim 1 , wherein the solar cell array is a roof surface that is supported on the structural frame of the roof by a DPG method support fitting. Japanese to become the invention described, the solar cell array, a handrail surface or wall surface is supported on the structural framework by the support bracket of DPG method in claim 5 Is obtained by the solar cell array according to claim 1, 2, 3 or 4.

  The present invention uses each of these as the gist of the invention and as means for solving the above problems.

Since the present invention is configured as described above, the invention described in claim 1 can be obtained by supporting the frameless solar cell module on the structural material by the DPG method, so that there is no problem in supporting the solar cell module. Since the decorative dot plate is only exposed, for example, in a circular shape on the surface, it is possible to make the appearance good, and at this time, when using the DPG method, the solar cell module was made transparent for support. By using the through hole and its support bracket for supporting the solar cell module and its power output, both the support function and the output function are eliminated, thereby eliminating the possibility of impairing the appearance and simultaneously outputting the power. Supporting the solar cell module that can be effectively and appropriately made as stable and strong as possible and frameless so that the installation appearance is as possible It is possible to provide a solar cell array which was good. Further, in addition to the above, the invention according to claim 1 is configured such that the support metal fitting of the DPG method performs stable and reliable support of the solar cell module and leads are introduced into the through holes. The lead wire can be guided to the support fitting in the through hole or in the vicinity thereof with respect to the support fitting so that the cable can be connected within the support fitting.

In addition to the above, the invention according to claim 2 makes the relationship between the insertion ring and the through hole of the solar cell module in the support metal fitting of the DPG method a preferable form, and the vicinity of the through hole is formed by the support metal fitting. Without damage, reliable support and protection in the vicinity of the through hole can be ensured.

In addition to the above, the invention described in claims 3, 4 and 5 can have a solar cell array formed by the DPG method in a preferable form in the field of building technology.

It is a perspective view which shows the installation state of the solar cell array of a curtain wall. It is the elements on larger scale of FIG. It is a disassembled perspective view of the support metal fitting which removed the fixed base. It is a perspective view which shows the relationship between a support metal fitting and a solar cell module. It is a longitudinal cross-sectional view which shows the relationship between a solar cell module and an insertion ring. It is a longitudinal cross-sectional view which shows the relationship between the lead wire of a solar cell module, and a support metal fitting.

  Hereinafter, the present invention will be described in more detail with reference to the examples of the drawings. A is a solar cell array on the wall surface of a curtain wall, and the solar cell array A is a structural enclosure in which adjacent corners of the solar cell module 1 are structured by a DPG method. At this time, the solar cell array A has a through hole 11 in which the electric power is formed at a support position of the DPG method, and a support fitting 2 of the DPG method inserted and arranged in the through hole 11. In this example, the output of the electric power of the solar cell module 1 is for output that is guided to the through hole 11 of the solar cell module 1. It is assumed that the output contact disposed on the inner surface of the lead wire or the through hole, in this example, the lead wire 12 is used, and is performed via the lead wire 12, and the output of the power is ,this In addition, a through hole 221 from the position of the through hole 11 toward the structural housing B side is disposed in the support fitting 2 of the DPG method inserted and disposed in the through hole 11 of the solar cell module 1 and a cable 28 is disposed in the through hole 221. The cable 28 is used from the position of the through hole 11 of the support metal fitting 2 or the position of the housing structure B side.

  The wall surface of the curtain wall is supported by a structure body B such as a vertical or wire truss by the support metal fitting 2 of the DPG method, and in this example, the support wall 2 used in the DPG method. The four solar cell modules 1 are arranged so as to be concentrically located on diagonal lines passing through the intersections of the joints in the four solar cell modules 1 vertically and horizontally adjacent to each other through vertical and horizontal joints. The support metal fittings 2 are disposed in the through holes 11 to form the curtain wall wall surface of the solar cell array A.

  In this example, the solar cell module A uses, for example, a light-transmitting frameless one that has light transmittance by disposing a gap between solar cells between glasses, It is designed to be semi-transparent and daylighting like a glass curtain wall. At this time, the through holes 11 located on the four concentric circles arranged in the solar cell module 1 have an inner diameter thereof, For example, the output lead wire 12 is led out to the front and rear intermediate positions of the inner peripheral surface, and the output lead wire 12 is a through hole 11 connected to each other by an interconnector. It is installed in a solar cell in the vicinity, and this is drawn out from the through hole 11 to the inner peripheral side of the through hole 11, and the lead wire 12 in this example is supported from the inner peripheral surface of the through hole 11. Passes in front of the fitted ring 23 described later in ingredients 2 reaches the front and rear intermediate position of the circular through hole 11 at the center position of the fitting interpolation ring 23, for example as about 3cm in length.

  In this example, the support fitting 2 that supports the corner of each solar cell module 1 includes a fixed base 21 that is fixed to the structural housing B, a hollow bolt 22 that protrudes forward from the fixed base 21, A fitting insertion ring 23 having a diameter equal to or smaller than the inner diameter of the through hole 11 of the solar cell module 1 that is fitted and disposed on the hollow bolt 22 with the tip as a fixed position, and the fitting insertion ring 23 are sandwiched in the front-rear direction. In this way, the support member 2 of the present example is configured to include the insertion ring 23 in the through hole of the solar cell module 1. The insertion ring 23 is covered with the front and rear in a pair of front and rear interposed between the through hole 11 and the insertion ring 23 so as to fill the gap between the insertion ring 23 and the through hole 11. Fitable protective phosphorus Some as those with 25.

  The fixed base 21 has a structural housing B on the back surface, and in this example, a side face that is vertical so as to simultaneously support the four through holes 11 located on the concentric circles in the four adjacent solar cell modules 1. It is made of metal, for example, steel, in which a fixing piece 211 for fastening or welding and fixing protrudes, for example, in the shape of a rectangular hollow box, and has four female screws for fixing support brackets arranged on the front.

  The hollow bolt 22 is screwed into a female screw for fixing the support bracket of the fixed base 21, and a male screw 223 that projects the hollow bolt 22 forward from the fixed base 21 is disposed around the longitudinal rear axis. In addition, a circular fin-shaped positioning projection piece 222 that forms a stopper and protrudes so as to surround the shaft, for example, is integrally disposed at an intermediate position in the front in the longitudinal direction. A steel pipe having a hollow shaft in its entire length in the longitudinal direction is formed by machining to form a through hole 221 that penetrates forward and backward.

  The insertion ring 23 has a thickness matching the depth of the solar cell module 1, for example, and has an inner diameter of the through hole 11 of the solar cell module 1, for example, a few mm smaller than the inner diameter of about 2 cm. A circular through hole 231 for fitting the shaft of the hollow bolt 22 is arranged in accordance with the outer shape of the bolt 22, and guide grooves 232 of fastening bolts 244 described later are arranged in the transverse direction in two places on the outer periphery. As a thing.

  The clamping member 24 is a through-hole of the solar cell module 1 in which the front of the pair of front and rear is formed into a disk thick plate shape that forms a makeup dot plate of the DPG method, and female screws of fastening bolts 244 are arranged at two locations in the diameter. Bolt holes at two locations in the diameter through which a decorative member 241 that closes and covers the through-hole 11 with a diameter larger than 11 and a fastening bolt 244 that is screwed into the female screw of the decorative member 241 at the rear of the pair of front and rear are inserted. And a thick ring-shaped fastening member 242 in which a circular through hole 243 for fitting the shaft of the hollow bolt 22 is disposed at the center position in the diameter in accordance with the shaft outer shape of the hollow bolt 22. .

  The protective ring 25 is a pair of front and rear interposed between the pair of holding members 24 and the insertion ring 23 so as to be sandwiched between the insertion ring 23 and a circular through hole 251 for receiving the insertion ring at the center. The gap between the fitting ring 23 and the through hole 11 is projected to the front and rear facing surfaces so as to define the through hole 251 in the opposite direction and is ½ the thickness of the solar cell module 1. The projecting fin 252 to be filled is provided with a guide groove 253 corresponding to the guide groove 232 of the insertion ring 23 inside the circular through hole 251, and the outer diameter is equal to that of the pair of holding members 24. At this time, the protective ring 25 is integrally formed using, for example, a hard or soft synthetic resin.

  The support fitting 2 formed in this way has its fixing base 21 fixed in a structure case B, in this example, in a vertical manner, and the hollow bolts 22 are screwed into the four female screws to form a solar cell. While the hollow bolt 22 is projectingly arranged on the module 1 side, the fitting ring 23 is attached to the tip of the hollow bolt 22 by fitting the circular bolt 231 with the positioning protruding piece 222 as a stopper. A pair of protective rings 25 are arranged on the back surface of the positioning projection piece 222 in the front, rear, and rear of the fitting ring 23, and then a pair of clamping members 24 are arranged on the front and rear of the protective ring 25, and the fastening members. A pair of fastening bolts 244 from 242 are screwed into the decorative member 241, and these are fastened and used together. As a result, the fitting ring 23 passes through the solar cell module 1. 11, projecting fins 252 of the protective ring 25 are interposed in the gap formed between the through hole 11, and the opposing surfaces of the pair of front and rear protective rings 25 are the through holes of the solar cell module 1. 11, that is, the clamping member 24 is disposed at the front and rear ends of the hollow bolt 22 so as to be in contact with the front and rear surfaces near the outer periphery of the through hole 11, and the protective ring 25 covers the front and rear surfaces of the solar cell module 1 tightly. Thus, the front and rear surfaces are protected, the damage is prevented, and stable and reliable support is provided. On the front surface of the solar cell module 1, that is, on the front side of the curtain wall, the protective ring 25 is provided. The decorative member 241 of the sandwiching member 24, in this example, the decorative member 241 of a circular dot plate, is further covered to provide a support appearance of the solar cell module 1 by the DPG method.

  At this time, the output of the electric power of the solar cell module 1 is performed by connecting to the cable 28 via the support fitting 2, and the output lead wire 12 is used for the output, and the support fitting 2, this example In this case, the output of electric power in this example, which is performed using the cable 28 arranged in the through hole 221 from the position of the through hole 11 of the hollow bolt 22 or the position of the housing structure B side, is performed as described above. The lead wire 12 is connected to the cable 28 arranged in the through hole 221 through the connection terminal 27 arranged in the through hole 221.

  In the through hole 221 of the hollow bolt 22 of this example, the cable 28 inserted into the through hole 221 of the hollow bolt 22 from the structure housing B side at the insertion ring 23 position, that is, the through hole 11 position of the solar cell module 1. A connecting terminal 27 installed at the front end of the solar cell module, in this example, a crimp terminal is built in, and by connecting the lead wire 12 of the solar cell module 1 to the crimp terminal, the solar cell module 1 and the cable 28 are connected. Are connected so that the power generated by each solar cell module 1 can be output to the structural housing B side via the cable 28.

  On the structure housing B side, the power may be used by connecting the cable 28 to an inverter (not shown).

  The solar cell module 1 that forms the solar cell array A of the curtain wall described above is a glass curtain that is frameless, has a very good appearance that only exposes a dot decorative plate at the corner, is translucent, and has daylighting properties. It can be in the form of a wall. Further, the solar cell module 1 supports the through hole 11 by a support fitting 2 fixed to the structural housing B, and the output lead wire 12 disposed on the inner peripheral surface of the through hole 11 is connected to the support fitting 2. Since the power is output on the structural housing B side by being led to the through hole 221 formed in this and connected to the cable 28, the support metal fitting 2 has the function of supporting the solar cell module 1 and its power generation. As a power output function, the structure can be made as simple as possible to provide reliable support and output.

  In the figure, reference numeral 224 denotes a nut arranged to prevent the loose bolt 22 from being screwed into the fixing base 21, 225 denotes a snap ring for fixing the fitting insertion ring 23, and 26 denotes between members. It is an insulating member interposed.

  Although the illustrated example is as described above, the lead wire is arranged at the corresponding position of the fitting insertion ring so as to communicate with the circular through hole from the outer periphery thereof and the shaft of the hollow bolt at the corresponding position. In the same way, it is guided to the through hole of the hollow bolt through the insertion hole and connected to the cable in the through hole, and the output of the electric power of the solar cell module is connected to the inside of the through hole of the solar cell module. An output contact disposed on the peripheral surface is used and the contact is made via the contact. At this time, a contact corresponding to the insertion ring is disposed, and the insertion ring and the insertion hole of the hollow bolt are similarly arranged. The lead wire from the contact is guided to the through hole of the hollow bolt and connected to the cable, and when the solar cell array is a wall surface of the curtain wall supported by the structural housing, the structure Body A wire truss or the like other than a vertical, the solar cell array being a roof surface supported on a roof structural frame by a DPG method support bracket, and the solar cell array being a DPG method support bracket In carrying out the present invention, including a handrail surface or a saddle surface supported by a housing, a solar cell array, a solar cell module, a through hole thereof, a DPG method, a support metal fitting, a structural housing, as necessary Specific shapes, structures, materials, etc., such as output lead wires, output contacts, connection terminals, cables, fixing bases, hollow bolts, insertion rings, clamping members for makeup and fastening, protective rings, etc. The quantity, size, application, relationship between these, addition to these, and the like can be in various forms as long as they do not contradict the gist of the invention.

A Solar cell array B Structure housing 1 Solar cell module 11 Through hole 12 Lead wire 2 Support fitting 21 Fixing base 211 Fixing piece 22 Hollow bolt 221 Through hole 222 Positioning protrusion 223 Male screw 224 Nut 225 Snap ring 23 Insertion ring 231 Circular through hole 232 Guide groove 24 Clamping member 241 Cosmetic member 242 Fastening member 243 Circular through hole 244 Fastening bolt 25 Protective ring 251 Circular through hole 252 Projection fin 253 Guide groove 26 Insulating member 27 Connection terminal 28 Cable

Claims (5)

A solar cell array in which adjacent corners of a solar cell module are supported by a structural housing by a DPG method, wherein the electric power of the solar cell module is inserted into the through hole formed at a support position of the DPG method. Ri Na and freely output the structural skeleton side via a support bracket of DPG method,
A fixing base for fixing the support fitting to the structural housing, a hollow bolt projecting forward from the fixing base, and a through hole of the solar cell module fitted and disposed on the hollow bolt with the tip of the hollow bolt at a fixed position A fitting insertion ring having a diameter equal to or smaller than the inner diameter, and a pair of front and rear to sandwich the fitting insertion ring in the front and rear, and a front member for makeup and a rear member for fastening, The lead wire for output guided to the through hole of the solar cell module is guided into the hollow bolt in which the lead insertion ring is fitted, and through the connection terminal arranged at the through hole position of the hollow bolt. and connected to the cable, a solar cell array, wherein Rukoto such as a freely output to structural skeleton side of the solar cell module. The insertion ring has a diameter smaller than the inner diameter of the through hole of the solar cell module, and is inserted in a pair of front and rear interposed between the through hole and the insertion ring so as to fill a gap between the insertion ring and the through hole. The solar cell array according to claim 1 , further comprising a protective ring that can be fitted back and forth on the ring. The solar cell array according to claim 1 or 2, characterized in that the solar cell array, as a curtain wall wall supported on the structural framework consisting of mullion or wire truss by a support bracket DPG method. 4. The solar cell array according to claim 1, wherein the solar cell array is a roof surface supported on a structural frame of a roof by a DPG method support bracket. 5. The solar cell array according to claim 1, 2, 3 or 4, characterized in that the solar cell array, a handrail surface or wall surface is supported on the structural framework by the support bracket of the DPG method.

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