JP2006301699A - Photovoltaic system design support device, photovoltaic system design support method, photovoltaic system design support program - Google Patents

Abstract

A photovoltaic power generation system design support capable of easily creating a bird's-eye view of a solar cell system installation location and easily and automatically designing arrangements of solar cell modules of various patterns based on the bird's-eye view. To get the equipment.
An overhead view information creating means for creating overhead view information from dimension information of an installation target surface on which a solar cell module of a building is installed, and the solar cell from the dimension information of the solar cell module and the overhead view information. The solar cell module is divided for each circuit based on the layout map information creating means for calculating the layout position of the module and creating layout map information, the specification information of the connection box, and the layout map information of the module of the solar cell. Circuit dividing means.
[Selection] Figure 1

Description

  The present invention relates to a photovoltaic power generation system design support apparatus, a photovoltaic power generation system design support method, and a photovoltaic power generation system design support program, and in particular, converts direct current power generated by a solar cell into alternating current power by a power conditioner. A solar power generation system design support device, a solar power generation system design support method, and a solar power generation system design support for supplying power generated by grid connection with a power supply to an internal load such as a house or selling power to a commercial power supply side It is about the program.

  Conventionally, solar power that converts DC power generated by solar cells into AC power by a power conditioner and supplies the power generated by grid connection with a commercial power supply to an internal load such as a house or sells it to the commercial power supply side Photovoltaic systems are well known. In addition, various functions have been developed in such a solar power generation system. For example, the operation state such as the power generated by the solar power generation system and the amount of accumulated power generation, as well as the power consumption in the house, the power purchased, the sales There has also been provided a solar power generation system or the like having a display means that can convey the power status such as electric power to the user more easily (for example, see Patent Document 1).

  In order to design such a photovoltaic power generation system, it is first necessary to create a layout diagram for installing the solar cell module. To create the layout of the solar cell modules, prepare an overhead view that shows the roof shape of the building where the solar cell modules are installed, and obtain information on the dimensions, angles, and orientation of the roof where the solar cell modules are installed. . Then, the size of the solar cell module in a bird's-eye view is calculated according to the installation angle, and it is manually applied to the roof of the building on the screen using CAD or the like based on the size of the solar cell module. Arrange the solar cell module and consider the layout.

  Next, a power conditioner and a junction box suitable for the number of solar cell modules derived from the layout of the solar cell modules manually arranged on the screen are selected. At that time, if there is no power conditioner or connection box suitable for the layout, arrange the solar cell module so that the number of solar cell modules used is the number according to the specifications of the existing power conditioner and connection box. revise.

  And attachment parts required in order to attach a solar cell module to a roof are derived | led-out according to the number and arrangement | positioning figure of the solar cell module determined as mentioned above. Through this work, a list of solar cell modules and their layouts, junction boxes, power conditioners, and mounting parts is created, and the cost required to build a photovoltaic power generation system based on this information is derived. Is done.

  Moreover, it is possible to calculate the predicted annual power generation amount from the specifications of the solar cell module installation area, layout (including azimuth and mounting angle), junction box, and power conditioner. Information such as the cost of the solar power generation system, the estimated annual power generation amount, and the layout diagram is very important in selling the solar power generation system.

JP 2004-12376 A

  By the way, as described above, when creating a layout drawing of the solar cell module, it is necessary to have an installation view of the solar cell system, mainly an overhead view of the roof of the building, but in reality, only a floor plan of the house is available In many cases, only an elevation view is available, and it is generally difficult to obtain an overhead view of the roof, and it is difficult to design a photovoltaic power generation system.

  Moreover, it is often difficult to actually measure the dimensions of the roof at a stage where the installation is not actually decided. In particular, a general house may have a complicated roof shape, and it is very difficult to create an overhead view of such a building.

  Also, when considering the placement of solar cell modules, it is very time consuming to consider the placement of all types of solar cell modules and calculate the cost and estimated total power generation for each case. There is a problem.

  This invention is made in view of the above, Comprising: The overhead view of the installation place of a solar cell system is created easily, and arrangement | positioning of the solar cell module of various patterns is designed rapidly based on this overhead view. It is an object to obtain a photovoltaic power generation system design support apparatus, a photovoltaic power generation system design support method, and a photovoltaic power generation system design support program.

  In order to solve the above-described problems and achieve the object, the photovoltaic power generation system design support apparatus according to the present invention creates an overhead view information from the dimension information of the installation target surface on which the solar cell module of the building is installed. Figure information creation means, layout map information creation means for calculating the layout position of the solar cell module from the dimensional information of the solar cell module and the overhead view information, and creating layout map information, connection box specification information, and solar cell Circuit dividing means for dividing the solar cell module into circuits based on the module layout information.

  According to the present invention, it is possible to easily create the overhead view information of the installation location of the solar cell system, create the layout map information of the photovoltaic power generation module based on the overhead view information, and It is possible to design quickly. And according to this invention, it is possible to automatically and quickly select parts necessary for the photovoltaic power generation system, and to calculate the cost and the predicted generated power amount quickly and reliably based on such information. There is an effect that can be. As a result, prompt and effective proposal activities can be performed for the customer.

  The present invention converts DC power generated by a solar cell into AC power by a power conditioner, supplies the power generated by grid connection with a commercial power supply to an internal load such as a house, or sells power to the commercial power supply side. The present invention relates to a solar power generation system design support apparatus, a solar power generation system design support method, and a solar power generation system design support program. Embodiments of the present invention will be described below in detail with reference to the drawings. In addition, this invention is not limited to the following description, In the range which does not deviate from the summary of this invention, it can change suitably.

Embodiment FIG. 1 is a block diagram showing a schematic configuration of a photovoltaic power generation system design support apparatus according to an embodiment of the present invention. The photovoltaic power generation system design support apparatus according to the present embodiment is installed on a roof of a house and the like, collects a solar cell module that generates direct-current power by receiving sunlight, and direct-current power generated by the solar cell module Power generation system comprising a connection box for converting a direct current into alternating current power and supplying power generated by grid connection with a commercial power source to an internal load such as a house Support the design of

  As shown in FIG. 1, the photovoltaic power generation system design support apparatus 1 according to the present embodiment includes an input unit 2, an overhead view creation unit 3, a layout drawing creation unit 4, a circuit division unit 5, and a calculation unit 6. And a database 7, a display unit 8, an output unit 9, and a control unit 10.

  The input unit 2 is an input unit that inputs data and the like to the photovoltaic power generation system design support apparatus 1, and a keyboard or the like can be used. The overhead view creation unit 3 calculates the dimension information of the installation target surface on which the solar cell module is installed based on information on the outer wall of the building that is the target of installation of the solar cell module, which is input from the outside as described later. It is a means for automatically creating overhead view information.

  The layout drawing creating unit 4 is means for creating layout map information by automatically calculating the layout position of the solar cell module based on the specification information and the overhead view information of the solar cell module installed on the installation target surface. The circuit dividing unit 5 is a means for automatically dividing the solar cell module into each circuit based on the specification information of the junction box and the layout information of the solar cell module.

  The calculation unit 6 is a calculation unit that calculates various data in the photovoltaic power generation system design support apparatus 1. The database 7 is a storage unit that stores a driving program, various data, and a list of the photovoltaic power generation system design support apparatus 1. The display unit 8 is display means for displaying information such as overhead view information, layout map information, data, calculation results, and a list. The output unit 9 is output means for outputting data in the photovoltaic power generation system design support apparatus 1. The control unit 10 is means for performing overall control in the photovoltaic power generation system design support apparatus 1.

  Next, basic operations of the photovoltaic power generation system design support apparatus 1 according to the present embodiment will be described in detail with reference to the drawings.

(Property information acquisition process)
First, the property information, that is, the address where the building for which the photovoltaic power generation system is installed exists is directly input to the photovoltaic power generation system design support apparatus 1 using an input means such as a keyboard. Thereby, in the photovoltaic power generation system design support apparatus 1, the location information of the installation target of the photovoltaic power generation system is obtained. It is also possible to store the name of the prefecture, the name of the municipality, the address information, etc. as data in advance in the database 7 and select from the data. In addition, it is possible to store data that associates prefecture names, city names, and zip codes with each other, and enter the zip code so that the installation location of the solar power generation system can be easily searched. It is.

(Outer wall information acquisition process)
Next, the dimension of the outer wall of the building for which the photovoltaic power generation system is installed is input to the photovoltaic power generation system design support apparatus 1 using the input unit 2. Thereby, in the photovoltaic power generation system design support apparatus 1, while obtaining the dimension of the outer wall of the building in which the photovoltaic power system is installed as data and storing it in the database 7, the dimension and shape of the outer wall are displayed on the display unit 8 as an image. draw. Here, when there is a design drawing or data of a building produced by CAD or the like, the data may be input to the photovoltaic power generation system design support apparatus 1 and converted into dimensions of the outer wall. Although it is difficult to obtain actual measurements of the roof of the building that is the target of installing the solar power generation system and to obtain a bird's-eye view of the roof, it is not possible to obtain a floor plan or measure the outer wall dimensions of the building. It is relatively easy. Therefore, in the present invention, as will be described later, the roof outline is derived from the outer wall dimensions, and the roof shape is easily drawn by applying a specific shape.

  In addition, when there is a design drawing of a building that has been stamped or drawn on paper, the design drawing can be taken into the photovoltaic power generation system design support apparatus 1 as image information using a scanner or the like. . In these cases, the scale can be arbitrarily set. The photovoltaic power generation system design support apparatus 1 draws the outer wall dimension and shape on the display unit 8 as an image, for example, like the outer wall shape line 11 shown in FIG. 2 based on the data acquired in this way.

(Installation target surface information acquisition process)
Next, the distance by which the roof protrudes from the outer wall is input to the photovoltaic power generation system design support apparatus 1 using the input unit 2. In general, since the roof often protrudes from the outer wall, the distance from which the roof protrudes from the outer wall is input to the photovoltaic power generation system design support apparatus 1. Based on the outer wall information obtained in step 1, the dimensions of the outer shell of the roof, which is the installation target surface, are calculated and acquired as installation target surface information. Then, the photovoltaic power generation system design support apparatus 1 displays, as an image, the dimensions and shape of the arrangement target surface, that is, the outline of the roof, like the roof shape line 12 shown in FIG. 3 based on the installation target surface information. 8 Draw on top.

(Overhead view information creation process)
Next, a right isosceles triangle pattern is fitted on the display section 8 to the determined outline of the roof. When looking down at a typical dormitory roof, the ridgeline of the roof is at an angle of 45 ° from the corner of the roof. Therefore, by inserting a right-angled isosceles triangle pattern 13 having an arbitrary size on the outer surface of the roof on the display unit 8, as shown in FIG. Can be filled. Then, by selecting and combining the right-angled isosceles triangle pattern 13, it is possible to easily create the overhead view information of the roof as shown in FIG. 5.

  In addition, it is possible to draw a roof that is the installation target surface using only a right-angled isosceles triangle pattern, but other shapes such as rectangles, parallelograms, trapezoids, squares, isosceles triangles, etc. are used. By arbitrarily combining them, the overhead view information of the roof can be created more easily as shown in FIG. In addition, as information regarding the roof which is the installation target surface of the solar cell module, the roof angle, the roof orientation, the roof material, the roof structure, and the like are input to the photovoltaic power generation system design support apparatus 1 using the input unit 2. When data is input or stored in the database 7 or the like as data in advance, the data is selected from these data.

(Installation unnecessary area designation process)
The roof, which is the installation target surface of the solar cell module, may have a non-installable area where the solar cell module cannot be installed due to lighting windows, chimneys, etc. . Therefore, in the same manner as when creating the above-described overhead view, these are displayed on the overhead view drawn on the display unit 8 by the method of fitting the isosceles triangle pattern 14 on the display unit 8 as shown in FIG. Reflect the non-installable area. As a result, as shown in FIG. 8, the non-installable area 15 can be easily designated.

(Solar cell module selection process)
In the photovoltaic power generation system design support apparatus 1, information on the dimensions, outputs, open-circuit voltages, short-circuit currents, maximum operation output voltages, and maximum operation output currents of a plurality of types of solar cell modules is registered and stored in the database 7 or the like in advance. Keep it. In this solar cell module selection step, one or more types of solar cell modules are arbitrarily selected from the held information.

(Solar cell module placement process)
Next, the solar cell module is automatically arranged. Hereinafter, a description will be given using the flowchart shown in FIG. First, the height (maximum vertical length that can be installed) of the installation target area of the solar cell module is obtained from the angle of the eave line in the overhead view created as described above. Then, the maximum length (y) in which the solar cell module can be actually installed is obtained. Here, the maximum vertical length (y) that can be actually installed is obtained by “maximum vertical length (y) that can be actually installed = maximum vertical length that can be installed / COS (roof gradient (°))”. Further, the maximum installable lateral length (x) of the installation target area of the solar cell module is obtained (step S101).

  Next, a basic module is selected (step S102), and the maximum number of horizontally arranged solar cell modules (number of module rows) is obtained (step S103). Here, the maximum number of horizontal arrangements (number of module rows) is obtained by “actual installation possible range horizontal length (mm) / horizontal horizontal pitch of solar cell module (mm)”.

  Next, the maximum number of vertically arranged solar cell modules (number of module steps) is obtained (step S104). Here, the maximum number of vertically arranged sheets (the number of module stages) is obtained by “the actual installable range of the solar cell module vertical length (mm) / horizontal vertical pitch of the solar cell module (mm)”.

  Next, the number of solar cell modules to be arranged is obtained from the maximum number of vertically arranged solar cell modules (number of module stages) and the maximum number of horizontally arranged modules (number of module rows) obtained above.

  Next, the solar cell modules are arranged one by one from the lower left area of the installation target area in the overhead view on the display unit 8 toward the right (step S105). From the one or more types of solar cell modules selected at this time, a module with a large output is preferentially arranged. Here, the thing which protrudes from the installation possible range is not arranged. And it is judged whether the solar cell module has been arrange | positioned to the right end of the installation object area of a solar cell module (step S106). If it is not the right end (No at Step S106), the process returns to Step S105 and the solar cell module is continuously installed. If it has reached the right end (Yes at step S106), it is next determined whether or not the solar cell module is placed up to the uppermost level in the installation target area (step S107).

  If the uppermost level is not arranged (No at Step S107), the process returns to Step S105. When the lower level is finished, the next level is repeatedly arranged, and the uppermost level is arranged in order. At this time, for example, when the installation target area of the upper solar cell module extends to the left of the lower stage, the arrangement start position is shifted to the left by the width of the solar cell module from the lower solar cell module arrangement start position. Start placement. And when the left end of the solar cell module protrudes from the left end of the installation target area of the solar cell module, the arrangement start position is set to the left by half the width of the solar cell module than the arrangement start position of the lower solar cell module. Shift and place. Thereby, the installation object area of a solar cell module can be used effectively without waste. If the arrangement is up to the uppermost level (Yes at Step S107), it is determined that the installation of one pattern of solar cell modules is completed (Step S108), and the process ends. And the above process is performed with respect to the installation object surface of all the solar cell modules.

  Thereby, the solar cell module 16 is automatically arranged on the overhead view on the display unit 8 to create a layout diagram of the solar cell module as shown in FIG. 10, and the arrangement information of the solar cell module can be obtained. FIG. 10 shows a state where solar cell modules are arranged on three roof surfaces. And said process is repeatedly performed with respect to multiple types of solar cell module. Thereby, the arrangement | positioning figure of a solar cell module can be created with respect to multiple types of solar cell module, and arrangement information of a solar cell module can be obtained.

  The above procedure is a method for automatically arranging the solar cell module with respect to the overhead view on the display unit 8, but in the present invention, the solar cell is manually operated with respect to the overhead view on the display unit 8. The module may be arranged at an arbitrary position.

(Connection box, power conditioner, circuit selection process)
Next, the optimal connection box power conditioner and circuit for the solar cell module are selected and displayed based on the arrangement information of the solar cell module. Hereinafter, description will be made with reference to the flowcharts shown in FIGS.

  First, a usable connection box is selected according to the type of the solar cell module, and a selection box list is created (step S201). Next, one usable connection box is selected from the selection box list (step S202). Next, the minimum input voltage is obtained from the specifications of the selected junction box, and this is used as the standard divided voltage (step S203).

  Next, all the solar cell modules arranged on one roof surface are combined into one circuit, and this is recorded in the division source circuit list of the database 7 as a division source circuit (step S204). Next, it is checked whether or not the minimum input voltage meets the standard, that is, whether or not the total voltage of the dividing source circuit is larger than the minimum input voltage of the junction box, and determines whether or not a non-conforming circuit exists. (Step S205).

  Here, when there is no nonconforming circuit (No at Step S205), it is next checked whether or not the number of circuits is one (Step S206). Here, the number of circuits is one circuit when the solar cell module is arranged only on one roof. When the number of circuits is one (Yes at Step S206), the maximum number of connections of the connection box (n) is obtained from the specifications of the connection box (Step S207). Then, in the circuit dividing unit 5, one circuit is equally divided into 2 to n and added to the dividing source circuit list (step S208).

  Returning to step S205, if there is a nonconforming circuit (Yes at step S205), it is determined that circuit division is impossible (step S226), and the process proceeds to step S221 described later. Returning to step S206, if the number of circuits is two or more, the process proceeds to step S209 described later.

  Next, one division source list is selected (step S209). Then, each circuit is divided by the standard division voltage based on the selected division source list (step S210). Here, no division is performed if the input voltage range of the junction box falls below the division.

  Then, each divided circuit is compared with the characteristics of the connection box according to the specifications of the connection box, and is classified into a standard circuit, a booster circuit, and an unusable circuit (step S211). Next, it is determined whether or not the number of standard circuits is 1 or more (step S212). If the number of standard circuits is 1 or more (Yes at step S212), the maximum voltage in the standard circuit is obtained, and a standard circuit having a voltage difference of one module or more from this maximum voltage is demoted to a booster circuit (step S212). S213). If the number of standard circuits is less than 1 (does not exist) (No at step S212), the process proceeds to the next step (step S214).

  Next, it is determined whether or not the number of standard circuits and the number of booster circuits are within the circuit number range of the specification of the connection box, and it is determined whether or not the connection box is usable (step S214). Here, when the number of standard circuits and the number of boosting circuits are within the circuit number range of the specification of the connection box (Yes at step S214), the circuit and the connection box are usable, and the current circuit is displayed in the valid circuit configuration list. The configuration and connection box are registered (step S215). Next, the division over number of each circuit of the division source circuit is added. That is, the standard divided voltage obtained by dividing the circuit in step S210 is changed within the range of the standard divided voltage (step S216).

  Here, the division over number is the number of sheets (voltage) that is further added after being divided by the standard division voltage. For example, if the standard divided voltage is simply 8V (8 solar cell modules) to 12V (12 solar cell modules), the circuit is divided in step S210 with the standard divided voltage being 8V (8 solar cell modules). In this case, the standard division voltage is 9V (9 solar cell modules).

  If the number of standard circuits and the number of booster circuits are not within the range of circuit numbers specified in the connection box (No in step S214), the number of standard circuits and the number of booster circuits are overvoltage compared to the specification of the connection box. It is determined whether or not there is (step S217). If the voltage is over (Yes at step S217), the current circuit configuration is registered in the division source circuit list (step S217), and the process proceeds to step S216. On the other hand, if the voltage is not over (No at Step S217), the current circuit configuration is regarded as an unusable circuit and the process proceeds to Step S216.

  Next, it is determined whether or not the number of divided over sheets exceeds the maximum number of one circuit to determine whether or not the division is completed (step S219). If the division has not ended (No at step S219), the process returns to step S210 and continues. If the division has been completed (Yes at step S219), it is determined whether or not the above processing has been completed for all the division source lists (step S220). If the above processing has not been completed for all the division source lists (No at Step S220), the process returns to Step S209 and continues. If the above process has been completed for all the division source lists (Yes at step S220), it is determined whether the above process has been completed for all connection boxes (step S221).

  If the above process has not been completed for all the connection boxes (No at Step S221), the process returns to Step S202 and continues. If it has been completed (Yes at Step S221), the circuit dividing unit 5 compares the circuit configuration lists to find a configuration having the largest number of standard circuits for each connection box (Step S222). A power conditioner suitable for a circuit having the largest number of standard circuits is selected (step S223). Here, although the power conditioner is selected in the circuit dividing unit 5, the power conditioner that automatically selects the optimum power conditioner based on the specification information of the plurality of power conditioners and the information of the circuit configuration list. It is good also as a structure provided with na selection means.

  Here, a method for selecting a power conditioner will be described. First, the total output (maximum output × number of sheets) of all circuits is calculated. Next, the total output is selected to be equal to or less than the capacity of the solar cell module where the power conditioner can be installed. In addition, systems with the same system classification are selected. The range of the number of standard conversion circuits that can be installed is also used as a selection criterion. Since the current value varies depending on the number of circuits, the model is selected based on the maximum input current.

  When a booster circuit is included, the number of standard conversion circuits is calculated. When the standard circuit is included, the number of standard conversion circuits is “standard conversion circuit number = N + (M1 + M2) / Mmin (rounded up after the decimal point), N = standard circuit number, M1, M2 = number of modules connected in series in the booster circuit, Mmin = If the number of modules connected to the standard input is different in series, the smaller number is used.

  When the above processing is completed, the display on the display unit 8 is in a state as shown in FIG. FIG. 12 shows a state in which the circuits (1), (2), and (3) of the solar cell module 16 are designed on three roof surfaces.

  Next, the power generation amount for each circuit is calculated by the calculation unit 6 (step S224), and the configuration with the largest power generation amount is selected (step S225). However, since the difference in the amount of power generation is small if the number of circuits does not change, the configuration having the lowest sum of the amounts of the junction box and the power conditioner is selected from the configurations having the same number of circuits as the configuration having the largest amount of power generation. Thereby, the circuit division is completed.

(Selection and arrangement of mounting members)
Next, a list of attachment members necessary for attaching the solar cell module to the roof is selected and arranged. FIG. 13 shows a flowchart of attachment member selection and arrangement processing. First, a stand is arranged for each roof (step S301). Next, the type of the solar cell module is confirmed (step S302), and the arrangement direction of the solar cell module is confirmed (step S303).

  Next, the roof material is confirmed, and it is determined whether or not it is a slate / metal rod (step S304). Here, if the roofing material is a slate / metal rod (Yes at Step S304), then a channel is selected and arranged (Step S305). Then, a cover is selected and arranged (step S306), and a mounting bracket is further selected and arranged (step S307).

  On the other hand, if the roofing material is not a slate / metal tile bar (No at step S304), it is determined that the roofing material is tile / metal sideways, and a channel is selected and arranged (step S308). Then, a cover is selected and arranged (step S309), a rack is selected and arranged (step S310), and a rack mounting bracket is further selected and arranged (step S311). The display on the display unit 8 at the time when the arrangement processing of the channel 21 and the like is completed is as shown in FIG. FIG. 14 shows a state in which the circuit of the solar cell module and the mounting brackets are arranged on the three roof surfaces.

  The attachment members selected in the above processing are registered in the attachment component list in the database 7 for each circuit.

(Part list creation, cost calculation process)
Next, a list of all parts necessary for the photovoltaic power system designed in the above processing is created. That is, a list of the number of solar cell modules selected by the processing described above, a power conditioner, a connection box, a mounting member, and cost information of these parts is created. And based on this list, the cost information required for the designed photovoltaic power generation system is calculated. The list and cost information are displayed on the display unit 8 and can be output by a printing device or the like via the output unit 9. Thereby, all the components and cost information required for a solar power generation system can be provided easily and reliably.

(Estimated power generation calculation process)
Next, the annual expected power generation amount generated by the designed solar power generation system is calculated by the calculation unit 6. First, in the property information acquisition process, by specifying the neighborhood area based on the address where the building for which the photovoltaic power generation system is installed exists, the annual optimum of that area is selected from the database 7 registered in advance. Obtain monthly and annual solar radiation at the tilt angle. Next, this is converted into the amount of solar radiation according to the inclination angle and direction in which the solar cell module is actually installed, and the amount of monthly and annual solar radiation irradiated on the solar cell module at the property is calculated.

  Then, the calculation unit 6 calculates an expected annual power generation amount generated by the solar power generation system based on the calculated solar radiation amount. Furthermore, the amount of AC power that can be obtained from the photovoltaic power generation system can be calculated by multiplying a coefficient that estimates the loss in the connection box, power conditioner, and wiring. In addition, the calculation unit 6 multiplies the calculated AC power amount with various coefficients to calculate an environment such as a carbon dioxide reduction amount, an oil reduction amount, and afforestation number corresponding to the AC power amount available from the solar power generation system. The degree of contribution can be calculated quantitatively.

  Here, the environmental contributions such as the predicted power generation amount, carbon dioxide reduction amount, oil reduction amount, and number of plantations are performed in the calculation unit 6, but the address of the place where the solar cell module is installed belongs as described above. Power generation that calculates the degree of environmental contribution such as expected power generation, carbon dioxide reduction, oil reduction, and number of trees planted in the solar power generation system based on the local solar radiation data and the specifications of the solar power generation system It is good also as a structure provided with the quantity calculation means.

  As described above, according to the photovoltaic power generation system design support apparatus and the photovoltaic power generation system design support method according to the present embodiment, the dimensions and shape of the outer shell of the roof that is the installation target surface of the solar cell module are determined from the outer wall dimensions. To derive. And by applying a specific shape, a roof shape can be drawn easily and an overhead view can be created easily. And a solar cell module is automatically arrange | positioned with respect to this overhead view, and a circuit structure is designed. In addition, it is possible to automatically calculate the attached parts, cost, and expected power generation amount. By performing the above processing automatically, the photovoltaic power generation system design can be performed quickly in a short time.

  In addition, according to the photovoltaic power generation system design support apparatus and the photovoltaic power generation system design support method according to the present embodiment, the environmental contributions such as the carbon dioxide reduction amount, the oil reduction amount, the number of afforestation, etc. corresponding to the power generation amount are quantified. Can be calculated automatically. Many customers who are considering purchasing a solar power generation system have a high awareness of environmental contributions, so that the estimated annual power generation can be replaced with carbon dioxide reduction and oil reduction, etc., so that the degree of environmental contribution can be grasped quantitatively. Presented, it is possible to further promote environmental contributions by noting the number of forests and the number of trees planted.

  Note that the photovoltaic power generation system design support apparatus and the photovoltaic power generation system design support method according to the present embodiment can be realized by using, for example, a general computer apparatus. FIG. 15 is a block diagram showing a schematic configuration of a computer apparatus 100 for realizing the present invention. The computer device 100 includes an input device 101, a display device 102, a CPU (Central Processing Unit) 103, a memory 104, a storage device 105, a medium driving device 106, a network interface 107, and a bus 108. ing.

  Here, the input device 101 includes a keyboard, a mouse, a touch panel, a scanner, and the like, and is used for inputting information. The display device 102 displays and outputs various output information, information input from the input device 101, and the like. The CPU 103 operates various programs. The memory 104 holds the program itself, and holds information that is temporarily created when the program is executed by the CPU 103. The storage device 105 holds programs, temporary information at the time of program execution, and the like. The medium driving device 106 is used to load a recording medium storing programs, data, and the like, read them, and store them in the memory 104 or the storage device 105. It may also be used for direct data input / output and program execution. The network interface 107 is for connecting the computer device and the network 109. The bus 108 connects the above-described units.

  Moreover, the photovoltaic power generation system design support apparatus and the photovoltaic power generation system design support method according to the present embodiment are recorded on a recording medium or the like as an execution program for executing the above-described functions, and are used in a desired computer. An execution program can be executed.

  The solar power generation system design support apparatus and the solar power generation system design support method according to the present embodiment can be deployed in ASP (Active Server Pages) by using various networks. That is, it is also possible to provide only the above processing result to the Web browser side by installing the execution program on the Web server side and inputting predetermined conditions on the Web browser side.

  As described above, the photovoltaic power generation system design support apparatus according to the present invention is useful for deriving information such as the layout of the photovoltaic power generation system, the cost, and the predicted annual power generation amount. This is suitable when the overhead view of the installation target surface cannot be obtained or it is difficult to create the overhead view.

It is a block diagram which shows schematic structure of the solar power generation system design assistance apparatus concerning embodiment. It is a figure which shows the state which drawn the outer wall shape line as an image on the display part. It is a figure which shows the state which drew the roof shape line as an image on a display part. It is a figure which shows the state which fitted the pattern of the right isosceles triangle which has arbitrary magnitude | sizes on the display part with respect to the outline of the roof. It is a figure which shows the bird's-eye view of a roof on a display part. It is a figure which shows the bird's-eye view of a roof on a display part. It is a figure which shows the state which designated the non-installable area | region on the bird's-eye view by the method of fitting an isosceles triangle pattern on a display part. It is the bird's-eye view with which the installation impossible area was decided. It is a flowchart explaining the process in the solar energy power generation system design assistance apparatus concerning embodiment. It is a figure which shows the layout of the solar cell module produced by the solar power generation system design assistance apparatus concerning embodiment. It is a flowchart explaining the process in the solar energy power generation system design assistance apparatus concerning embodiment. It is a flowchart explaining the process in the solar energy power generation system design assistance apparatus concerning embodiment. It is a flowchart explaining the process in the solar energy power generation system design assistance apparatus concerning embodiment. It is a figure which shows the state by which the circuit division | segmentation was carried out. It is a flowchart explaining the process in the solar energy power generation system design assistance apparatus concerning embodiment. It is a figure which shows the state by which the circuit and attachment metal fittings of a solar cell module were arrange | positioned on three roof surfaces. It is a block diagram which shows schematic structure of a computer apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Photovoltaic power generation system design support apparatus 2 Input part 3 Overhead view creation part 4 Layout drawing creation part 5 Circuit division part 6 Calculation part 7 Database 8 Display part 9 Output part 10 Control part 11 Outer wall shape line 12 Roof shape line 13 Right angle two Equilateral triangle pattern 14 Right-angled isosceles triangle pattern 15 Uninstallable area 16 Solar cell module 100 Computer device 101 Input device 102 Display device 103 CPU
104 Memory 105 Storage Device 106 Medium Drive Device 107 Network Interface 108 Bus

Claims (11)

An overhead view information creating means for creating overhead view information from the dimension information of the installation target surface on which the solar cell module of the building is installed;
Layout information generating means for calculating layout position of the solar cell module from the dimension information of the solar cell module and the overhead view information, and creating layout map information;
Based on the specification information of the connection box and the layout information of the module of the solar cell, circuit dividing means for dividing the solar cell module for each circuit,
A photovoltaic power generation system design support apparatus comprising: Power conditioner and connection box selection for selecting a power conditioner and a connection box from a plurality of pre-stored power conditioners and a plurality of pre-stored connection boxes based on information of each circuit divided by the circuit dividing means The solar power generation system design support apparatus according to claim 1, further comprising: means. The photovoltaic system design support according to claim 1, further comprising: a component selection unit that selects a component necessary for installing the solar cell module on the installation target surface and creates layout information of the component. apparatus. The power generation amount calculating means for calculating the predicted power generation amount in the solar power generation system based on the solar radiation amount data of the area where the solar cell module is installed and the specification data of the solar power generation system is provided. The photovoltaic power generation system design support apparatus according to 1.   The photovoltaic power generation system design support apparatus according to claim 4, further comprising calculation means for quantitatively calculating a carbon dioxide reduction amount, an oil reduction amount, or a number of plantations corresponding to the predicted power generation amount. 2. The photovoltaic power generation system design support apparatus according to claim 1, wherein the overhead view information creating means creates the overhead view information by combining predetermined shapes. 2. The photovoltaic power generation system design support according to claim 1, wherein the overhead view information creating means designates an installation-free area in which the solar cell module is not installed in the overhead view information when creating the overhead view information. apparatus. The photovoltaic power generation system design support apparatus according to claim 7, wherein the overhead view information creation means creates an installation non-use area by combining predetermined shapes. Overhead view information creation process for creating overhead view information from calculation of dimensional information of the installation target surface on which the solar cell module of the building is installed,
An installation nonuse area designation step of obtaining information on an installation nonuse area where the installation of the solar cell module is unnecessary and designating the information in the overhead view information;
A solar cell module selection step of selecting the type of the solar cell module and obtaining specification information of the selected solar cell module;
A layout map information creating step for creating layout map information by calculating a layout position of the selected solar cell module based on the overhead view information and the specification information of the selected solar cell module;
Based on the specification information of the junction box and the layout information of the module of the solar cell, the circuit dividing step of dividing the solar cell module for each circuit and creating circuit division information,
A photovoltaic power generation system design support method characterized by comprising: Obtaining solar radiation data for the area where the solar cell module is installed;
A power generation amount calculation step of calculating an expected power generation amount based on the solar radiation amount data of the region, a connection box having the solar power generation module, and specification data of a system including a power conditioner,
The solar power generation system design support method according to claim 9, further comprising: An overhead view information creation step for creating overhead view information from the dimension information of the installation target surface on which the solar cell module of the building is installed;
An installation nonuse area designation step of obtaining information on an installation nonuse area where the installation of the solar cell module is unnecessary and designating the information in the overhead view information;
A solar cell module selection step of selecting the type of the solar cell module and obtaining specification information of the selected solar cell module;
A layout map information creating step of creating layout map information by calculating a layout position of the selected solar cell module based on the overhead view information and the specification information of the selected solar cell module;
A circuit dividing step of creating circuit division information by dividing the solar cell module for each circuit based on the maximum connection number information of the connection box and the layout information of the module of the solar cell,
A photovoltaic power generation system design support program characterized in that a computer is executed.

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