JP2002272017A - Data processing method and system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a data processing method for processing operating data, which indicates the operating state of a generator utilizing natural energy and/or a load apparatus where power is supplied by the generator, and for generating new secondary data where a value is added, and to provide a data processing system. SOLUTION: Measured data on the output characteristics of a solar panel are sent to the center 2 from an individual house 1 having the solar panel via an ISDN 3. In the center 2, stored reference data on the output characteristics of the solar panel are compared with the sent measured data on the output characteristics for judging whether the operation is normal or not. In the case of abnormality, maintenance information showing the abnormality state is sent from the center 2 to a maintenance trader 4 via the Internet 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data processing method and system for processing operation data indicating the operation state of a power generator and / or a load device to generate secondary data.

[0002]

2. Description of the Related Art Unlike thermal power generation, which burns fossil fuels and emits a large amount of carbon dioxide causing global warming, hydroelectric power generation where it is difficult to secure installation locations, and nuclear power generation, which has a problem with waste disposal Power generation systems that generate power using natural energy such as wind energy, solar energy, geothermal energy, etc., which have very little impact on the global environment, are being developed. Among these, solar power generation using solar energy is considered as the most promising clean energy in the future, and the spread of the solar power generation system to private houses is expanding.

A photovoltaic power generation system installed in a private house or the like has a plurality of photovoltaic cells electrically connected in series, a solar cell panel as a power generation device mounted on a roof or the like, and a power generation device. An inverter for converting a DC output to an AC output, a power generator, and wiring connecting the inverter and the inverter and the load device are provided. Then, photoelectric conversion is performed in each solar cell by irradiation of sunlight, and their converted outputs are collected to generate DC power,
The DC power is converted to AC power by the inverter,
Supplied to the load device.

[0004]

In such a photovoltaic power generation system, operation data (output voltage, electric power, rotation speed, etc.) indicating an operation state of a power generation device or a load device is acquired, and the acquired operation data is acquired. Diagnosis of the photovoltaic power generation system on the spot based on the In conventional systems,
The acquired operation data of the power generation device or the load device is used only for normally operating the power generation device or the load device.

The present invention has been made in view of such circumstances, and a data processing method capable of processing operation data in such a power generating device or a load device to generate additional new data with added value. And a data processing system.

[0006]

According to a first aspect of the present invention, there is provided a data processing method comprising the steps of generating operation data indicating an operation state of a power generator using natural energy and / or a load device supplied with power by the power generator. A method of processing, wherein the operation data is obtained, and secondary data is generated based on the obtained operation data and characteristic data of the power generation device and / or the load device which are obtained in advance. It is characterized by doing.

[0007] In the data processing method of the first invention, operation data indicating the operation state of the power generator and / or load device is obtained, and the known characteristic data of the power generator and / or load device is referred to. Then, the acquired operation data is processed to generate secondary data. Therefore, additional new data with added value can be generated.

According to a second aspect of the present invention, there is provided a data processing method for processing operation data indicating an operation state of a power generator using natural energy and / or a load device supplied with power by the power generator. Acquiring the operating data and the environmental factor data affecting the operating state, and acquiring the operating data and the environmental factor data, and the characteristic data of the power generator and / or the load device determined in advance. On the basis of this, secondary data is generated.

In the data processing method according to the second aspect of the present invention, operation data indicating an operation state of the power generation device and / or the load device and environmental factor data affecting the operation state are acquired. And / or processing the acquired operation data and environmental factor data with reference to the known characteristic data of the load device to generate secondary data. Therefore, secondary new data with added value and high reliability can be generated.

According to a third aspect of the present invention, there is provided a data processing system for processing operation data indicating an operation state of a power generator using natural energy and / or a load device to which power is supplied by the power generator. And one or more first entities having the power generating device and the load device, and a second entity storing characteristic data of the power generating device and / or the load device determined in advance, From the first entity to the second
The operation data is transmitted to an entity, and the second entity generates secondary data based on the transmitted operation data and the stored characteristic data. .

[0011] In the data processing system according to the third aspect of the present invention, operation data indicating the operation state of the power generation device and / or the load device provided in the first entity is transmitted to the second entity. With reference to the known characteristic data of the generator and / or load,
The transmitted operation data is processed to generate secondary data. Therefore, additional new data with added value can be generated.

According to a fourth aspect of the present invention, there is provided a data processing system for processing operation data indicating an operation state of a power generator using natural energy and / or a load device to which power is supplied by the power generator. One or a plurality of first entities including a sensor for acquiring environmental factor data that influences the power generation device, the load device, and the operating state, and the power generation device and / or the load device determined in advance. A second entity storing characteristic data of the operation data, the operation data and the environmental factor data are transmitted from the first entity to the second entity, and the transmitted data is transmitted by the second entity. Based on the operation data and the environmental factor data, and the stored characteristic data,
It is characterized in that secondary data is generated.

[0013] In the data processing system according to the fourth aspect of the present invention, the operating data indicating the operating state of the power generating device and / or the load device provided in the first entity, the environmental factor data affecting the operating state, and the like. Is transmitted to the second entity, where the second entity refers to the known characteristic data of the power generation device and / or the load device,
The transmitted operation data and environmental factor data are processed to generate secondary data. Therefore, additional new data with added value can be generated.

According to a fifth aspect of the present invention, in the data processing system according to the third or fourth aspect, the generated secondary data is transmitted to the first entity or a third entity different from the first and second entities. It is characterized by doing.

[0015] In the data processing system of the fifth invention, the generated secondary data is transmitted from the second entity to the second entity.
Transmit to the first entity or a third entity that is a third party. Therefore, it is possible to provide secondary data having high added value to the first entity and the third entity to the respective entities.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below with reference to the drawings showing the embodiments. (First Embodiment) FIG. 1 is a schematic diagram showing a configuration of a data processing system according to a first embodiment of the present invention. In FIG. 1, 1 is a private house as a first entity,
Reference numeral 2 denotes a center as a second entity, and a plurality of private homes 1 and the center 2 are integrated services integrated services (ISDN).
s Digital Network) 3 to transmit and receive data.

FIG. 2 is a schematic diagram showing the configuration of a photovoltaic power generation system provided in the private house 1. A solar panel 13 having a plurality of solar cells 12 electrically connected in series is attached to a roof 11 of the private house 1. Wiring 1 for taking out output of solar cell panel 13
4 is connected to a power regulator 16 having an inverter 15 for converting a DC output to an AC output. The output wiring 17 from the power regulator 16 is connected to a load device 18 composed of various electric devices. When sunlight is incident on the solar panel 13, photoelectric conversion is performed in each solar cell 12, the converted output is collected to generate DC power, and the DC power is converted to AC power by the inverter 15. The converted AC power is supplied to the load device 18.

The measuring section 19 measures the value of the output characteristic of the operating solar power generation system (solar cell panel 13). Specifically, the measurement unit 19 measures the output characteristics (DC voltage, DC current) before conversion by the inverter 15 and the output characteristics (AC voltage, AC current, power, power amount) after conversion. The measurement data is transmitted to the center 2 via the communication modem 20 and the ISDN 3.

FIG. 3 is a block diagram showing the functional configuration of the center 2. The center 2 includes a CPU 21, a ROM 22,
It has an AM 23, a communication modem 24, a first database 25, and a second database 26. The CPU 21 is connected to the bus 2
7 are connected to these hardware units to control them and execute various software functions according to a computer program stored in the ROM 22. The RAM 23 stores temporary data generated when executing software.

The first database 25 stores information on reference data of output characteristics before and after inverter conversion in various solar cell panels 13. In addition, the second database 26 stores information such as the type of the solar cell panel 13 installed in each private house 1 and the installation conditions. Then, the center 2 refers to the stored data of the first and second databases 25 and 26 and, based on the measurement data of the output characteristics sent from the private house 1, based on the measurement data of the solar power generation system in the private house 1. The diagnostic data is generated, and the generated data is transmitted to the private residence 1 via the communication modem 24 and the ISDN 3.

Next, the operation of the first embodiment will be described with reference to FIG.
This will be described with reference to the flowchart of FIG. A certain private house 1
When the photovoltaic power generation system provided in the device operates (step S1: YES), the output characteristic is measured by the measuring unit 1.
9 (step S2), and the measurement data is sequentially transmitted to the center 2 via the ISDN 3 at a predetermined cycle (step S3).

The center 2 refers to the data stored in the second database 26 to read out the type of the solar cell panel 13 provided in the private house 1 and its mounting conditions (step S4), and the first database 25 With reference to the stored data, the reference data of the output characteristics of the solar cell panel 13 of that type is read (step S5).
The reference data of the read output characteristic is compared with the measurement data of the actual output characteristic transmitted from the private house 1, and
The normal / abnormal diagnosis of the photovoltaic power generation system provided in the private house 1 is performed (step S6), and the result of the diagnosis is transmitted to the private house 1 via the ISDN 3 (step S7).

As described above, in the first embodiment, the measurement data of the output characteristic indicating the operating state of the photovoltaic power generation system obtained in the private house 1 is referred to as diagnostic data of the photovoltaic power generation system at the center 2. It is processed into data to which added value for the private house 1 has been added. In such a system, the operation of the photovoltaic power generation system in each private house 1 is monitored by the reliable center 2, and the photovoltaic power generation system can be used in the private house 1 with confidence.

(Second Embodiment) FIG. 5 shows a second embodiment of the present invention.
1 is a schematic diagram illustrating a configuration of a data processing system according to an embodiment. 5, the same parts as those in FIG. 1 are given the same numbers. Reference numeral 4 denotes a maintenance company of the photovoltaic power generation system as a third entity, and maintenance information to be described later is transmitted from the center 2 to the maintenance company 4 using this system via the Internet 5. .

The configuration of the photovoltaic power generation system provided in the private house 1 is the same as that of the first embodiment (FIG. 2). FIG. 6 is a block diagram showing a functional configuration of the center 2. The center 2 has the same CPU 21, ROM 22, RAM 23, communication modem 24, first database 25 and second database 25 as in the first embodiment (FIG. 3). It has a second database 26, a third database 28 and a communication interface 29. The third database 28 stores information (location, technical capability, etc.) of each of the plurality of maintenance contractors 4.
Is stored. The communication interface 29 controls transmission of maintenance information via the Internet 5.

The center 2 refers to the data stored in the first and second databases 25 and 26, and
Based on the measurement data of the output characteristics sent from the private house 1, the normal / abnormal of the photovoltaic power generation system in the private house 1 is diagnosed, and if abnormal, the data stored in the third database 28 is referred to. , The maintenance company 4 is selected and the maintenance information (information on the abnormal photovoltaic power generation system) is transmitted to the maintenance company 4 via the Internet 5.

Next, the operation of the second embodiment will be described with reference to FIG.
This will be described with reference to the flowchart of FIG. In FIG. 7, portions having the same processing contents as those in FIG. 4 are denoted by the same step numbers, and description thereof is omitted.

If a diagnosis result indicating an abnormality is obtained (step S8: YES), the optimum maintenance contractor 4 is selected by referring to the data stored in the third database 28 (step S9), and the photovoltaic power generation system is started. The maintenance information including the location data of the failed private house 1 and the measurement data of the output characteristics of the failed abnormal photovoltaic power generation system is transmitted to the selected maintenance company 4 via the Internet 5 (step). S1
0). When it is diagnosed that it is normal (S8:
NO), such maintenance information is not transmitted.

As described above, in the second embodiment, the measurement data of the output characteristics indicating the operation state of the photovoltaic power generation system obtained in the private house 1 is added to the maintenance information at the center 2 by the maintenance company 4. It is processed into data with added value. In such a system, the maintenance information is given from the center 2 to the maintenance company 4 at the same time as the occurrence of the abnormality. There is an advantage that information can be easily obtained. Then, the maintenance company 4 can pay the fee to the center 2 for such customer information.

In the above-described example, the optimum maintenance company 4 to which the maintenance information is transmitted is selected at the center 2. However, unlike this, all the maintenance companies contracting with the center 2 are selected. 4, the maintenance information may be transmitted equally via the Internet 5.

The output of solar power generation is easily affected by natural environments such as weather. Therefore, in the first and second embodiments, the temperature of the solar cell panel 13 and the solar cell panel 1
Sensors for measuring the ambient temperature around the solar cell 3, the amount of solar radiation to the solar panel 13 and the like are provided in the private house 1, and not only the measurement data of the output characteristics of the solar cell panel 13 but also the data measured by those sensors are used as a center. In the case where the transmission is made to 2, the reliability of the diagnosis is further improved.

In the first and second embodiments, when the center 2 diagnoses the photovoltaic power generation system in a certain private house 1, the other private houses 1 adjacent to the private house 1 may be used. By referring to the measurement data of the output characteristics of the photovoltaic power generation system in, it is possible to obtain a more accurate diagnosis result with reduced influence of the natural environment.

Further, in the case where information on past output characteristics in the photovoltaic power generation system of the private house 1 to be diagnosed is stored in the center 2 and is referred to at the time of diagnosis, the photovoltaic power generation system is used. Specific effects can be compensated for and more accurate diagnostic results can be obtained.

By the way, the fact that the output characteristics of the photovoltaic power generation are easily affected by the weather conditions means that the data of the weather conditions can be estimated from the measured data of the output characteristics of the photovoltaic power generation. With this in mind,
Secondary data with high added value relating to various weathers can be processed and generated from data representing the operating state of the photovoltaic power generation (measurement data of output characteristics). Such an example will be described in the following third embodiment.

(Third Embodiment) FIG. 8 shows a third embodiment of the present invention.
1 is a schematic diagram illustrating a configuration of a data processing system according to an embodiment. 8, the same parts as those in FIGS. 1 and 5 are denoted by the same reference numerals. Reference numerals 41, 42, 43, and 44 denote a Meteorological Agency, an electric power company, a cosmetics company, and a hat company, respectively, as third entities that use this system.
To be transmitted via.

FIG. 9 is a schematic diagram showing the configuration of a photovoltaic power generation system provided in the private house 1. The same parts as those in FIG. The roof 11 is provided with a temperature sensor 51 for detecting the temperature of the solar cell panel 13, and the measuring unit 19 provides not only the output characteristics of the solar cell panel 13 but also the temperature sensor 51.
The temperature detected at is also measured. These measurement data are transmitted to the center 2 via the ISDN 3.

FIG. 10 is a block diagram showing the functional configuration of the center 2. The center 2 has the same CPU 21, ROM 22, R and R as those in the first and second embodiments (FIGS. 3 and 6).
It has an AM 23, a communication modem 24, a first database 25, a second database 26, a communication interface 29, and a fourth database 30. Fourth database 30
Stores information indicating the relationship between the output characteristics of the various solar cell panels 13 and the temperature and the amount of solar radiation.

Then, the center 2 performs these first and second
With reference to the data stored in the fourth databases 25, 26, and 30, the amount of solar radiation on the roof 11 of the individual house 1 is obtained based on the output characteristic and temperature measurement data sent from the individual house 1, and the obtained solar radiation is obtained. Information on the quantity is provided via the Internet 5 by the Meteorological Agency 41, the electric power company 42,
3 and the hat trader 44.

Next, the operation of the third embodiment will be described with reference to FIG.
This will be described with reference to the flowchart of FIG. When the photovoltaic power generation system provided in the private house 1 is operated (step S11: YES), the output characteristics of the solar cell panel 13 and the temperature detected by the temperature sensor 51 are measured by the measuring unit 19 (step S12). The measurement data is sequentially transmitted to the center 2 via the ISDN 3 at a predetermined cycle (step S13).

The center 2 refers to the data stored in the second database 26 to read out the type of the solar cell panel 13 provided in the private house 1 and its mounting conditions (step S14), and the first database 25 , The reference data of the output characteristics of the solar cell panel 13 of that type is read out (step S1).
5). Based on the read reference data of the output characteristics and the measurement data of the actual output characteristics and the temperature transmitted from each individual house 1, the relationship between the output characteristics and the temperature stored in the fourth database 30 and the amount of solar radiation. Referring to the information, the amount of solar radiation in the area is estimated (step S16). At this time, it is preferable to average the estimated values of the insolation in each of the plurality of private houses 1 in the same area because the estimation accuracy is increased.

Information on the obtained amount of solar radiation is transmitted via the Internet 5 to the Meteorological Agency 41, the electric power company 42, and the cosmetics company 43.
And transmitted to the hat trader 44 (step S17).

As described above, in the third embodiment, the measurement data of the output characteristics indicating the operating state of the photovoltaic power generation system and the measurement data of the temperature of the solar cell panel 13 obtained in the private house 1 are transmitted to the center 2. Japan Meteorological Agency 4
1, data added to a power company 42, a cosmetics company 43, a hat company 44, and the like. In such a system, information on the amount of insolation in a certain area can be obtained over time. Can be performed. In addition, the power company 42 can predict future power generation by the photovoltaic power generation system, determine the power supply in that area, and the like. Also,
The cosmetics company 43 and the hat company 44 can determine the type and quantity of products to be manufactured and purchased. These third entities can be configured to pay a fee to the center 2 for such solar radiation information.

Depending on the type, the solar cell panel 13 has a high conversion efficiency with respect to visible light, a high conversion efficiency with respect to ultraviolet light, and the like. In the above example, the solar cell panel provided in each individual house 1 is provided. Since the 13 types can be grasped by the center 2, it is also possible to estimate the amount of solar radiation by distinguishing between visible light and ultraviolet light.

(Fourth Embodiment) In the above-described third embodiment, the processing information of the amount of solar radiation is obtained from the measurement data of the output characteristics and the temperature. Processing information called temperature is obtained from the measurement data of the amount of solar radiation.

That is, a solar radiation sensor is installed on the roof 11 of the private house 1 equipped with a photovoltaic power generation system, and measured output characteristics of the solar cell panel 13 and measured data of the amount of solar radiation are transmitted to the center 2. Then, in the same manner as in the third embodiment, the center 2 estimates temperature (air temperature, road surface temperature, etc.) according to the measured data and the data stored in the database, and the estimated temperature information is various. To the third entity.

As the third entity in the fourth embodiment, a lunch boxer and an ice creamer can be considered.
Based on the relationship between the amount of lunch and ice cream sold in the past and the temperature, it is possible to determine the predicted amount of lunch and ice cream sold in the future in consideration of the transmitted current temperature. The third entity is home, factory,
In the case of a business establishment or the like, a predicted power consumption in the future can be obtained in consideration of the transmitted current temperature based on the relationship between the past power consumption and the temperature.

In the fourth embodiment, when the information indicating the past relationship as described above is stored in the database of the center 2, the information and the estimated temperature information are stored in the center 2. In consideration of this, the estimated sales amount and the estimated power consumption amount may be obtained, and the obtained amounts may be transmitted via the Internet 5.

In each of the embodiments described above, various secondary processing information is obtained at the center 2 from the output characteristics of the solar cell panel 13.
The operating state of the load device 18 driven by the power obtained in Step 3 has a high correlation with the operating state of the solar cell panel 13. Therefore, instead of the operating state of the solar cell panel 13,
Operation data (for example, the number of rotations of the motor) indicating the operation state of the load device 18 is measured, and various secondary data described above are obtained at the center 2 based on the measured data and the known characteristic data of the load device 18. May be obtained. Further, both the operation data indicating the operation state of the solar cell panel 13 and the operation data indicating the operation state of the load device 18 may be measured, and the measurement may be used as data.

Although the first entity having the photovoltaic power generation system is a private house, it is needless to say that a factory, a business office, a store, or the like having the same photovoltaic power generation system may be the first entity. In addition, the above-described processing information that is generated as a subsidiary, and the above-described third entity that uses the processing information are merely examples, and may be other examples.

Also, the case has been described where the temperature and solar radiation of the solar cell panel 13 are used as environmental factor data that affects the operating state of the solar cell panel 13 or the load device 18 measured by the first entity. In addition to the above, temperature, wind speed, wind direction, and rainfall amount may be used. Further, not only one kind of environmental factor data but also plural kinds of environmental factor data may be measured and used.

The data communication means between the first entity and the second entity is ISDN, and the data communication means between the second entity and the third entity is the Internet. However, these are merely examples. Means may be used.

Further, the case where the solar power generation system is used has been described, but it goes without saying that the same can be applied to a power generation system using other natural energy, such as a wind power generation system and a geothermal power generation system.

[0053]

As described above, according to the present invention, the operation data indicating the operation state of the power generation device and / or the load device is acquired, and the known characteristic data of the power generation device and / or the load device is referred to. Since the acquired operation data is processed to generate secondary data, secondary new data having added value can be generated.

Further, according to the present invention, operation data indicating the operation state of the power generation device and / or the load device and environmental factor data affecting the operation state are acquired, and the power generation device and / or the load device are known. With reference to the characteristic data, the acquired operation data and environmental factor data are processed to generate secondary data, so that additional new secondary data with added value and high reliability can be generated. .

Further, according to the present invention, the generated secondary new data is transmitted from the second entity to the first entity or the third entity, so that the first entity and the third entity have a high added value. Subsequent data can be provided to each entity.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating an example (first embodiment) of a configuration of a data processing system according to the present invention.

FIG. 2 is a schematic diagram showing an example (first and second embodiments) of a configuration of a photovoltaic power generation installed in a private house.

FIG. 3 is a block diagram showing an example (first embodiment) of a functional configuration of a center.

FIG. 4 is a flowchart illustrating an example (first embodiment) of an operation procedure of the data processing method according to the present invention.

FIG. 5 is a schematic diagram showing another example (second embodiment) of the configuration of the data processing system of the present invention.

FIG. 6 shows another example of the functional configuration of the center (second embodiment).
FIG.

FIG. 7 is a flowchart showing another example (second embodiment) of the operation procedure of the data processing method of the present invention.

FIG. 8 is a schematic diagram showing still another example (third embodiment) of the configuration of the data processing system of the present invention.

FIG. 9 is a schematic diagram showing another example (third embodiment) of the configuration of solar power generation provided in a private house.

FIG. 10 is a block diagram showing still another example (third embodiment) of the functional configuration of the center.

FIG. 11 is a flowchart showing still another example (third embodiment) of the operation procedure of the data processing method of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Private house (1st entity) 2 Center (2nd entity) 3 ISDN 4 Maintenance agency (3rd entity) 5 Internet 13 Solar panel 18 Load device 19 Measurement part 21 CPU 25 1st database 26 2nd database 28 3rd Database 30 Fourth database 41 Meteorological Agency (third entity) 42 Electricity company (third entity) 43 Cosmetic company (third entity) 44 Hat company (third entity) 51 Temperature sensor

Claims (5)

[Claims] 1. A method for processing operation data indicating an operation state of a power generation device using natural energy and / or a load device to which electric power is supplied by the power generation device,
Acquiring the operation data, and generating secondary data based on the acquired operation data and characteristic data of the power generation device and / or the load device determined in advance. Processing method. 2. A method for processing operation data indicating an operation state of a power generator using natural energy and / or a load device to which power is supplied by the power generator,
The operation data and the environmental factor data affecting the operation state are acquired, and the acquired operation data and environmental factor data are obtained, and the characteristic data of the power generation device and / or the load device is obtained in advance. And generating secondary data. 3. A system for processing operation data indicating an operation state of a power generator using natural energy and / or a load device to which electric power is supplied by the power generator, wherein the power generator and the load device are processed. And a second entity storing characteristic data of the power generating device and / or the load device determined in advance, and the second entity stores the first entity and the second entity. The operation data is transmitted to, at the second entity, based on the transmitted operation data and the stored characteristic data,
A data processing system for generating secondary data. 4. A system for processing operation data indicating an operation state of a power generator using natural energy and / or a load device to which electric power is supplied by the power generator, wherein the power generator, the load device And one or more first entities having a sensor for acquiring environmental factor data affecting the operating state, and a first entity storing characteristic data of the power generation device and / or the load device determined in advance. Operating data and the environmental factor data are transmitted from the first entity to the second entity, and the transmitted operating data and environmental factor data are transmitted by the second entity; And data that is characterized by generating secondary data based on the stored characteristic data. Processing system. 5. The data processing system according to claim 3, wherein the generated secondary data is transmitted to the first entity or a third entity different from the first and second entities.