JP2019106888A - Solar battery module device - Google Patents

Abstract

To obtain a solar battery module device which can realize an efficiency of a periodical inspection work.SOLUTION: A solar battery module device is mounted on a solar battery module, and has an information recording medium which can write and read information by non-contact means. The information recording medium can write and read any history information of commodity distribution information of an identification mark unique to a product obtained at the time of manufacturing the solar battery module and of a handling history of the solar battery module after manufacturing, and installation information.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a solar cell module device capable of recording information.

  Since the solar cell module is used after being exposed outdoors for a long time, it is necessary to periodically check whether its performance is sustained. Therefore, periodical inspections will be conducted locally, and performance measurements will be conducted, including the performance of solar cells. The solar power generation system has been widely spread by the subsidy system by the country or the fixed price purchase system of renewable energy implemented from FY2012. For this reason, there is a concern that personnel who will carry out regular inspections may run short in the future, and it will be necessary to efficiently carry out regular inspections.

  In the periodic inspection, in order to determine whether the performance of the solar cell is sustained, comparison with inspection data in a factory or measurement data in periodic inspections performed up to the previous time is performed. However, as described above, since solar cells are used for a long time, it is often not easy to confirm inspection data in a factory or measurement data in periodic inspections performed up to the previous time. For this reason, it is required to obtain information on solar cells quickly and to make periodic inspection work more efficient.

  In Patent Document 1, information that occurs before the solar cell is installed on the installation subject including the roof, specifically, information that can be collected when the solar cell is manufactured includes a bar code and the like. A technique for providing information objects in an invisible manner is disclosed. In Patent Document 1, the type of solar cell, rating, management number, date of manufacture, place of manufacture, manufacturer, conditions of manufacture, destination, individual parts used, type of article, electric characteristics of solar cell element portion, etc. Information to be provided is provided invisibly in the information body.

JP 2000-286437 A

  However, in the periodic inspection, not only the product information that can be collected when the solar power module is manufactured, but also the measurement data at the previous periodic inspection, the periodic inspection day, the repaired information, and the inspection history including the inspector In addition to operation information, in order to investigate the cause at the time of failure, it may be necessary to have distribution information on the shipping date at the time of transportation, transportation history including the transportation company. If it is necessary to have product information and operation information on inspection history or physical distribution information on transfer history, it is necessary to confirm the solar cell module serial number and extract it from the database of solar cell modules in manufacturing plant, inspectors and carriers. There is. In the work of extracting product information, operation information on inspection history, and distribution information on transport history from the database of solar cell modules in manufacturing plants, inspectors, and carriers, it is difficult to obtain information on site locally, making it difficult to obtain information It is a task that In addition, the database in the manufacturing plant, the inspection company, the forwarding company is also huge, and the management or search is not only complicated, but the data of product information, operation information about inspection history, distribution information about transportation history can not be obtained There is also.

  For this reason, there is a problem that the information on the solar cell module for checking the cause of the periodic inspection or failure can not be obtained quickly, and it is difficult to improve the efficiency of the periodic inspection operation. In addition, since the periodic inspection time is prolonged due to the difficulty in improving the efficiency of the periodic inspection work, there is also a problem that the power generation stop time is lengthened and the generated power decreases.

  The present invention has been made in view of the above, and provides a solar cell module device capable of quickly obtaining information on a solar cell module at the time of periodic inspection or at the time of failure and achieving the efficiency of the periodic inspection operation. The purpose is

  In order to solve the problems described above and achieve the object, the present invention comprises a solar cell module, and an information recording medium mounted on the solar cell module and capable of writing and reading information by non-contact means. The information recording medium can write and read product-specific identification symbols obtained at the time of manufacture of the solar cell module, and physical information on the handling history of the solar cell module after manufacture and any history information of installation information. It is characterized by being.

  According to the present invention, it is possible to obtain information on the solar cell module quickly at the time of the periodic inspection or at the time of failure, and to obtain the solar cell module device capable of improving the efficiency of the periodic inspection operation.

Exterior view of the solar cell module of Embodiment 1 An enlarged view of a portion A of the solar cell module according to the first embodiment III-III sectional drawing of the solar cell module of Embodiment 1 Explanatory drawing which shows the recording content of the information recording medium of Embodiment 1 Wiring diagram of the solar cell module of Embodiment 1 Diagram showing the recorded contents of the wiring path of the information recording medium of the first embodiment Exterior view of a solar cell module according to Embodiment 2 External view of solar cell module according to Embodiment 3

  Hereinafter, a solar cell module device according to an embodiment of the present invention will be described in detail based on the drawings. In addition, this invention is not limited to the following description, It can change suitably in the range which does not deviate from the summary of this invention. Further, in the drawings shown below, the scale of each member may be different from the actual one for easy understanding. The same applies to each drawing.

Embodiment 1
FIG. 1 is an external view of a solar cell module 10 according to a first embodiment of the present invention as viewed from a light receiving surface side. FIG. 2 is a view showing a mounting area of the terminal box 13 of the solar cell module 10, and is an enlarged view of a portion A of FIG. FIG. 3 is a III-III cross-sectional view of the solar cell module 10. The solar cell module 10 has a plurality of solar cells 11 connected in series by the interconnector 19. This series connection is called a string. Both ends of the string are drawn into the terminal box 13 and connected to the cable 18 in the terminal box 13. The solar cell module 10 is obtained by sandwiching and sealing a string between the translucent substrate 17 and the back sheet 20 via the sealing resin 16. The obtained sealing body is fixed to the outer frame 12 via the buffer material 15. In the terminal box 13, wiring conductors such as cables 18 for wiring between the solar cell modules 10 or bypass diodes serving as paths through which current flows when the solar cells 11 are shaded. The functional components to be incorporated are built in and connected respectively, but the description is omitted here. The interconnector 19 is made of a conductor such as copper and interconnects the solar cells 11.

  In the terminal box 13, in addition to the above-described copper conductors which are wiring conductors including the cable 18 for wiring between the solar cell modules 10, and other functional components including the copper band, the bypass diode and the like, A recording medium 14 is incorporated. The information recording medium 14 is formed so that information can be written and read by a reading and writing apparatus which is a noncontact means. The information recording medium 14 can use, for example, an RFID tag (Radio Frequency Identifier) that exchanges information using radio waves. Although the solar cell module 10 according to the first embodiment is described using a configuration using radio waves, incorporating an IC (Integrated Circuit) chip capable of exchanging information using sound waves, light, or magnetism. Is also possible.

  As shown in FIGS. 2 and 3, the information recording medium 14 is disposed between two solar cells 11, and the information recording medium 14 is a solar cell as viewed from the light receiving surface 10A and the back surface 10B of the solar cell module 10. It is arranged so as not to overlap 11. Further, the information recording medium 14 is also disposed so as not to overlap with a wiring conductor, a bypass diode or the like similarly incorporated in the terminal box 13. By using such an arrangement, when an RFID tag that exchanges information by radio waves is used as the information recording medium 14, the light receiving surface side and the back surface of the terminal box 13 attached to the light receiving surface 10A and the back surface 10B of the solar cell module 10 Communication with the information recording medium 14 is possible from both sides of the side.

  By writing and reading product-specific information, which is product-specific information obtained at the time of manufacturing a solar cell module, and history information indicating the handling history of the solar cell module after manufacturing in the information recording medium 14, solar cell It is configured to perform module information management.

  Further, even in the case of using the information recording medium 14 using sound waves, light or magnetism, the area where the information recording medium 14 of the solar cell module 10 is mounted has a structure through which sound waves, light or magnetism passes. Communication is possible from both sides as well as. The information recording medium 14 is disposed in the terminal box 13, and the inside of the terminal box 13 is filled with a filler (not shown) such as silicone resin. As the filler, a room temperature curing resin is used, and the temperature is within the heat resistance temperature of the information recording medium 14. Thereby, the deterioration of the information recording medium 14 due to the heat can be prevented.

  Next, a method of managing information recorded in the information recording medium 14 according to the first embodiment will be described. FIG. 4 shows an example of the information recorded on the information recording medium 14. Product specific information which is product specific information obtained at the time of manufacturing a solar cell module includes product information D1 and manufacturing information D2. The history information indicating the handling history of the manufactured solar cell module includes physical distribution information D3, installation information D4, and operation information D5.

  The product information D1 is a product identification number for identifying the solar cell module 10, as well as a serial number, and is characteristic data of the solar cell module 10: open circuit voltage, short circuit current, maximum output, current I-voltage V Contains the characteristics.

  By including the open circuit voltage, the short circuit current, the maximum output, and the current I-voltage V characteristics, which are characteristic data at the time of manufacturing the solar cell module 10, in the product information D1, it is possible to Characteristic data at the time of manufacture can be obtained quickly, and efficiency of periodical inspection work can be improved.

  The manufacturing information D2 is information related to the manufacturing of the solar cell module 10, and includes the date of manufacture, the manufacturing device unique symbol, and the inspection device unique symbol.

  By including the date of manufacture, manufacturing apparatus unique code, and inspection apparatus unique code which are information related to the manufacture of the solar cell module 10, the manufacturing information D2 of the solar cell module 10 can be obtained quickly at the time of periodic inspection or failure. It is possible, for example, to quickly investigate the cause of failure. It can also be used as manufacturing and production control or traceability information.

  The product information D1 and the manufacturing information D2 are written to the information recording medium 14 after the inspection of the solar cell module 10 is completed, and for example, when using an RFID tag, the information is written by an RFID tag writer.

  The distribution information D3 is information on the history in which the solar cell module 10 is transported from the manufacturing plant to the final customer, and includes the shipping date, the carrier, and the transit point. The distribution information D3 is recorded when the carrier handles the cargo. In addition, when passing through multiple carriers, record each time.

  By writing the distribution information D3 including the shipping date, the carrier, and the transit point, it is possible to use it as a product warranty term or information important as a product transportation operation and also for product management until delivery to the customer.

  The installation information D4 is information when installing the solar cell module 10 at the installation place of the final customer, and includes information of installation date, system designer, distributor, installer, and wiring path. These are recorded at installation by the installer.

  By including the installation information D4, the installation date, information on the system designer, the distributor, and the installer can be used to clarify the responsibility for product warranty or installation.

  Of the installation information D4, after installing the solar cell module 10 on the roof, it is difficult to check the wiring path, and the information on the wiring path is usually stored by the customer as design information, but the solar cell module Since 10 is used for a long time, it is often lost by customers. Therefore, if the information on the wiring path is recorded in the information recording medium 14 at the time of installation, the information on the wiring path can be obtained even when the customer loses the wiring information.

  Specifically, description will be made with reference to the wiring diagram of the solar cell module 10 of FIG. 5 and the recorded contents of the wiring path of the information recording medium 14 of FIG. The information of the wiring path is the information of the peripheral circuit to which the solar cell module 10 is connected, and in the solar cell module device according to the first embodiment, the solar cell module 10 has two wiring paths 1 and 2 respectively. The wiring path of

  It is assumed that four solar cell modules 10 having serial numbers A to D are wired in series via a cable 18 as shown in FIG. As shown in FIG. 6, the wiring path 1 of the solar cell module 10 with serial number A at the end is not connected because there is no object connected, and the wiring path 2 is connected to the solar cell module 10 with serial number B Therefore, it is B. One end of the wiring path 1 of the solar cell module 10 with the serial number A is absent because there is no object to be connected, and is connected to a junction box that is a device of the photovoltaic system. Further, the wiring path 2 which is the other side of the wiring path of the solar cell module 10 is connected to the serial number B. Further, the solar cell module 10 of serial number B is connected to the solar cell module 10 of serial number A by wiring path 1 and is connected to the solar cell module 10 of serial number C by wiring path 2. The wiring path 2 of the solar cell module 10 with the serial number D is connected to a connection box (not shown).

  Information on the wiring path is recorded as in the wiring path 1 and the wiring path 2 on the information recording medium 14 of each solar cell module 10 as shown in FIG. As a result, for example, information on the wiring path can be easily obtained by reading and acquiring information from the information recording medium 14 of the solar cell module 10 at the time of maintenance inspection or repair.

  The operation information D5 shown in FIG. 4 is a result of measurement at the time of periodic inspection or information recording information repaired when the solar cell module 10 breaks down, which is an inspection date or an open circuit voltage as a characteristic value of the solar cell module 10. Short circuit current, maximum output, and IV characteristics are included. These are recorded at the time of periodic inspection or repair.

  As described above, in the solar cell module 10 according to the first embodiment, when the solar cell module 10 is manufactured, an identification code unique to the product of the solar cell, product information D1, or manufacturing information D2, or both of them is recorded information. It is written to the medium 14. At the time of transportation, installation and operation of the solar cell module 10, any one or more of the physical distribution information D3, the installation information D4 and the operation information D5 are written to the information recording medium 14. By recording product information D1, manufacturing information D2, physical distribution information D3, installation information D4, and operation information D5 in the information recording medium 14 of the solar cell module 10, reference is made to the information recording medium 14 at the time of periodic inspection of the solar cell module 10. If so, it is possible to easily obtain the characteristic at the time of manufacture or the characteristic value at the time of the previous inspection. Therefore, it becomes easy to grasp the change of the characteristics, and judgment of deterioration or failure of the solar cell module 10 becomes easy. Further, when the solar cell module 10 breaks down, it becomes easy to find out the cause of the breakdown by referring to the product information D1, the manufacturing information D2, the physical distribution information D3, the installation information D4 and the operation information D5. Further, information on the solar cell for checking the cause of the failure at the time of the periodic inspection or at the time of failure can be obtained directly and promptly from the information recording medium 14, and the efficiency of the periodic inspection can be improved. In addition, since the periodic inspection time is shortened, the power generation stop time can be shortened, and the reduction of the generated power can be reduced.

  Further, according to the solar cell module 10 of the first embodiment, the information recording medium 14 is incorporated into the back surface 10B of the solar cell module 10, that is, the terminal box 13 attached to the back surface. A highly reliable solar cell module 10 can be obtained without failure or deterioration due to a high temperature environment at the time of sealing. In addition, by arranging the mounting position of the information recording medium 14 between the solar battery cell 11 and the solar battery cell 11, it is incorporated in the terminal box 13 from both the light receiving surface 10A side and the back surface 10B side of the solar battery module 10. Communication to the information recording medium 14 becomes possible. The light receiving surface 10A side and the back surface 10B side of the solar cell module 10 correspond to the light receiving surface 11A side and the back surface 11B side of the solar battery cell 11, respectively.

  Moreover, at the time of manufacture of the solar cell module 10, it is necessary to seal the solar cell 11 by resin, and it is necessary to heat at about 150 degreeC at this time. Therefore, when the information recording medium 14 is sealed inside the solar cell module 10, the information recording medium 14 may fail or deteriorate due to the high temperature environment in the sealing process. However, according to the solar cell module 10 of the first embodiment, the information recording medium 14 accommodated in the terminal box 13 on the outer surface of the solar cell module 10 is not embedded in the sealing resin. Since it is provided externally, deterioration of the information recording medium 14 can be prevented.

Second Embodiment
FIG. 7 is an external view of the solar cell module 10S according to the second embodiment of the present invention as viewed from the light receiving surface side. The solar cell module 10S according to the second embodiment includes two terminal boxes 13a and 13b. The two terminal boxes 13a and 13b are disposed at vertically symmetrical positions in FIG. 7 and each incorporate an information recording medium 14a and 14b. The other parts are the same as in the first embodiment, and thus the description thereof is omitted here.

  According to the solar cell module 10S of the second embodiment, in addition to the effects of the first embodiment, even when the solar cell module 10S is mounted upside down, it can be installed, periodically inspected, repaired, for example, as shown in FIG. Reading and recording can be performed on the information recording media 14a and 14b at equivalent locations such as the position of the lowermost surface. Further, it is preferable that the same information is recorded on the two information recording media 14a and 14b for the product information D1, the manufacturing information D2, and the physical distribution information D3 recorded on the information recording media 14a and 14b. The information written in one information recording medium can be written in all the information recording mediums, and can be read out from any one of the information recording mediums.

  In the solar cell module 10S according to the second embodiment, the two information recording media 14a and 14b are built in the two terminal boxes 13a and 13b, but a plurality of two or more may be used. As in the case of the two, the information recording medium is incorporated in the terminal box. In the description, the positions are vertically symmetrical, but it goes without saying that the positions may be symmetrical.

  Further, according to the solar cell module 10S of the second embodiment, by setting the mounting positions of the information recording media 14a and 14b to between the solar cell 11 and the solar cell 11, the light receiving surface 10A of the solar cell module 10S and Communication is possible from both sides of the terminal box 13 attached to the back surface 10B.

Third Embodiment
FIG. 8 is an external view of a solar cell module 10T according to a third embodiment of the present invention as viewed from the light receiving surface side. The solar cell module 10T according to the third embodiment includes two terminal boxes 13a and 13b. The two terminal boxes 13a and 13b are disposed at positions symmetrical with respect to the outer shape of the solar cell module in FIG. 8 and have information recording media 14a and 14b respectively. Since it is the same as that of the solar cell module 10S of Embodiment 2 except that terminal box 13a, 13b is arrange | positioned in the position of point symmetry, description is abbreviate | omitted.

  With the above configuration, according to the solar cell module 10T of the third embodiment, the terminal boxes 13a and 13b in which the information recording media 14a and 14b are built are disposed at point symmetrical positions in the solar cell module 10T. No matter where the battery module 10T is mounted, one of the information recording media 14a and 14b can be reliably accessed, and information recording and reading are easy.

  In the solar cell modules according to the first to third embodiments, the information recording medium 14 including the IC chip is provided in the terminal box 13. However, when the solar cell module is sealed, it may be enclosed in the sealing resin Needless to say. Alternatively, the window may be formed in the outer frame 12 and the information recording medium 14 may be mounted directly on the sealing body so that the information recording medium 14 is disposed at the position corresponding to the window. Furthermore, it may be spaced apart from the main body portion of the solar battery module 10 incorporating the solar battery cells 11, and may be disposed on the ground or at a human eye position.

  The configuration shown in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and one of the configurations is possible within the scope of the present invention. It is also possible to omit and change parts.

  10, 10S, 10T solar battery module, 11 solar battery cell, 12 outer frame, 13, 13a, 13b terminal box, 14, 14a, 14b information recording medium, 15 buffer material, 16 sealing resin, 17 translucent substrate, 18 cables, 19 interconnectors, 20 backsheets.

Claims (4)

With solar cell module,
An information recording medium mounted on the solar cell module and capable of writing and reading information by non-contact means;
Have
The information recording medium writes an identification code unique to a product obtained at the time of manufacturing the solar cell module, and any history information of the physical distribution information and the installation information which is the handling history of the solar cell module after manufacturing The solar cell module apparatus characterized by being readable.   The solar cell module device according to claim 1, wherein the installation information includes wiring path information which is a product-specific identification symbol for identifying another solar cell module connected to the solar cell module.   The solar cell module device according to claim 1, wherein the installation information includes information that can identify any of the installation date, a system designer, a distributor, and an installation company.   The solar cell module device according to claim 1, wherein the physical distribution information includes information that can specify any one of a shipping date, a carrier, and a transit point.

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