KR102105275B1 - Inverter Protection Monitoring System for Photovoltaic Power Generation - Google Patents

Abstract

The present invention relates to an inverter protection monitoring system for photovoltaic power generation, which monitors an environment of fine dust, temperature, air volume, fire, and external shocks of an inverter to detect danger, and allows an administrator to actively cope with the environmental risk of the inverter. The inverter protection monitoring system for photovoltaic power generation comprises: a management unit (102) managing an inverter; and an operator smart phone (104) located at a predetermined interval from the management unit (102), receiving guide maps and announcements sent from the management unit (102), displaying the received guidance map, and simultaneously conducting the announcements.

Description

Inverter Protection Monitoring System for Photovoltaic Power Generation

The present invention relates to a photovoltaic power generation monitoring system, and more specifically, to monitor the environment of the fine dust, temperature, air volume, fire, and external shock of the inverter to detect the danger, and when the environmental risk of the inverter, the administrator can actively respond It relates to a solar power inverter protection monitoring system.

Photovoltaic Power Generation is a power generation method that converts sunlight into direct current electricity to produce electric power. A solar panel with several solar cells is expanded on a large scale to produce electricity using solar energy.

As the demand for renewable energy increases, the production of solar cells and solar cell arrays is also increasing significantly, and currently, a grid-connected solar power system is being built.

Furthermore, it is expanding the installation of photovoltaic power generation facilities by supporting financial incentives such as compulsory base price compulsory purchase and tariff system for solar electricity in Australia, Germany, Israel, Japan and the United States. .

Photovoltaic power generation can be used semi-permanently, it is easy to maintain using solar cells, and it is spotlighted as an alternative energy source in the future by using pollution-free solar energy sources.

However, a large number of photovoltaic panels must be installed in a large area in order to produce large-capacity photovoltaic electricity. Without detailed monitoring of these photovoltaic panels, solar power generation is operating at a suitable performance or a problem occurs. Therefore, it is impossible to determine whether the efficiency of solar power generation is declining.

In order to solve the above problems, the application was filed with April 10, 2018, Application No. 10-2018-0048611 (invention name: solar power monitoring system), and referring to FIG. 1, referring to the claims, Weather data input unit for receiving data; Sunlight data input unit for receiving sunshine measurement data; Solar power generation calculation unit for calculating current solar power generation based on sunshine measurement data; Preset time based on weather data and sunshine measurement data Solar power generation estimator for estimating the amount of photovoltaic power generation at a future time after the elapse; And output unit for outputting the current or future time photovoltaic power generation, wherein the sunshine data input unit: corresponds to each of a plurality of points where the solar system is installed Receiving the amount of sunshine measured by the sunshine meter, the solar power generation unit: from a number of points Calculate the average value of the measured sunshine, calculate the current solar power generation according to the function formula based on the average, analyze the spatial distribution pattern of sunshine through exploratory spatial data analysis, and base it on geostatistics By calculating the spatial variability of solar sunshine according to the location of the sample point in the region where the solar system is installed in the target region, each sample is based on the variogram model corresponding to the calculated spatial variability. It is a photovoltaic power generation monitoring system that determines the weight for a point and calculates the amount of sunshine measurement at another point according to a kriging algorithm corresponding to the spatial variability calculated based on the weight and the sunshine amount of the sample point.

However, the conventional photovoltaic power generation monitoring system does not monitor the environment of fine dust, temperature, air volume, fire, and external shock of the inverter, and thus there is a problem that the manager cannot actively cope with the environment risk of the inverter.

Therefore, the present invention has been improved to solve all the problems according to the prior art described above, the object of the present invention is to detect the risk by monitoring the environment of the fine dust, temperature, air volume, fire, external shock of the inverter, The present invention is to provide an inverter protection monitoring system for photovoltaic power generation that enables an administrator to actively cope with an environmental hazard of the inverter.

However, the object of the present invention is not limited to the above-mentioned object, other objects not mentioned will be clearly understood by those skilled in the art from the following description.

An inverter protection monitoring system for photovoltaic power generation according to the present invention for achieving the above object,

A management unit 102 for managing the inverter;

The operator smart phone 104, which is located at a predetermined interval from the management unit 102, receives guidance maps and announcements sent from the management unit 102, displays the received guidance map, and simultaneously conducts announcements. Includes.

As described above, the inverter protection monitoring system for photovoltaic power generation according to the present invention monitors the environment of fine dust, temperature, air volume, fire, external shock, etc. of the inverter, and detects the danger, thereby managing the inverter in case of environmental danger. Has an effect that can actively cope.

Due to this, it is possible not only to prevent the failure of the inverter in advance, but also to reduce the maintenance cost of the inverter and to enjoy the replacement cost of main parts.

And, the present invention is based on the analyzed data in the event of a problem with the inverter, it is possible to quickly solve the problem with the problem inverter by quickly finding the worker to solve the problem area. It has an effect.

1 is a view schematically showing a conventional solar power generation monitoring system,
2 is a view schematically showing an inverter protection monitoring system for photovoltaic power generation according to the present invention;
Figure 3 is a schematic configuration diagram of the management unit of Figure 2,
Figure 4 is a schematic configuration of the fire determination means of Figure 3,
5 is a guidance map generated from the guidance map generation API of FIG. 3.

Hereinafter, a preferred embodiment of the photovoltaic inverter protection monitoring system according to the present invention.

In the following description of the present invention, when it is determined that a detailed description of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

2 is a view schematically showing an inverter protection monitoring system for photovoltaic power generation according to the present invention, and FIG. 3 is a schematic configuration diagram of a management unit of FIG. 2.

2 to 3, the inverter protection monitoring system 100 of solar power generation according to the present invention,

A management unit 102 for managing the inverter;

The operator smart phone 104, which is located at a predetermined interval from the management unit 102, receives guidance maps and announcements sent from the management unit 102, displays the received guidance map, and simultaneously conducts announcements. Includes.

Here, the inverter serves to convert DC electricity into AC electricity.

And, the management unit 102,

A control unit 106;

A fine dust measuring unit (108) installed on one side of the inverter and electrically connected to the control unit (106) to collect the inside air of the inverter according to the control signal of the control unit (106) to measure fine dust from the collected air. ;

A camera 110 installed at one side of the inverter at a predetermined interval from the fine dust measuring unit 108, electrically connected to the control unit 106, and photographing the interior according to a control signal from the control unit 106;

A temperature measuring unit 112 installed at one interval of the inverter at a predetermined interval from the camera 110 and electrically connected to the control unit 106 to measure the internal temperature of the inverter according to the control signal of the control unit 106. ;

Air volume measurement unit 114 installed at an external side of the inverter at a predetermined interval from the temperature measurement unit 112 and electrically connected to the control unit 106 to measure the air volume of the outside air according to the control signal of the control unit 106 Wow;

The shock is installed on one side of the outer surface of the inverter at a predetermined interval from the air flow measurement unit 114, and is electrically connected to the control unit 106 to sense the sound of the external shock applied to the inverter according to the control signal of the control unit 106. A sound sensing unit 116;

A camera for detecting a human body installed at one side of the inverter at a predetermined interval from the impact sound detection unit 116 and electrically connected to the control unit 106 to start shooting upon detecting the human body according to the control signal of the control unit 106 ( 118);

It is electrically connected to the control unit 106 and receives shooting data and temperature data sent from the camera 110 and the temperature measurement unit 110 according to the control signal of the control unit 106, and analyzes the received first checking data. , Fire determination means 120 for determining the occurrence of a fire based on the analyzed first checking data;

It is electrically connected to the control unit 106 and is sent from the fine dust measurement unit 108, the air flow measurement unit 114, the impact sound detection unit 116, and the human body detection camera 118 according to the control signal of the control unit 106. Checking data analysis unit (122) that receives the incoming fine dust data, air volume data, impact sound data, and human body sensory shooting data, analyzes the received second checking data, and classifies abnormal data based on the analyzed second checking data )Wow;

It is electrically connected to the control unit 106 and searches for a worker who solves the problem of the inverter field, that is, the operator smartphone 104, based on the preset operator information according to the control signal of the control unit 106. A worker matching unit 124 to be found;

A guidance map generation API 126 that is electrically connected to the control unit 106 and generates an electronic map in which a problem inverter is located according to the control signal of the control unit 106, and sends it to the operator's smartphone 104;

A guide that is electrically connected to the control unit 106 and sends an electronic map guidance broadcast in which a problem inverter is located to the worker smartphone 104 in conjunction with the guidance map generation API 126 according to the control signal of the control unit 106 And a map broadcasting unit 128.

And, the fire determination means 120,

A color extracting unit 130 for extracting white and red based on the captured image data of the received first checking data, and for sending the extracted white value data and red value data to a warning sound generating unit;

A temperature extracting unit 132 for extracting a temperature value based on the received temperature data of the first checking data and sending the extracted temperature value data to a warning sound generating unit;

An alarm sound generating unit 134 that compares the received white value data, red value data, and temperature value data with a preset data value, and generates a warning sound when the received white value, red value, and temperature value are greater than the preset data value. Includes.

On the other hand, it is preferable that a wireless communication capable recording unit (not shown) is installed on one side of the human body detection camera 118.

Looking at the operation of the inverter protection monitoring system 100 of the solar power generation according to the present invention included as described above are as follows.

First, the control unit 106 sends a control signal to each component.

The temperature measuring unit 110 measures the temperature inside the inverter and measures the measured temperature value data, and the camera 110 photographs the inside of the inverter and sends the photographed image data to the fire determination means 120.

The fire determination means 120 receives photographed image data, temperature value data, analyzes the received first checking data, and determines a fire occurrence based on the analyzed first checking data.

Looking at the fire judging means 120 more, the fire judging means 120 includes a color extractor 130, a temperature extractor 132, and a warning sound generator 134.

The color extracting unit 130 extracts white and red based on the captured image data of the received first checking data, and sends the extracted white value data and red value data to the warning sound generating unit 134.

The temperature extracting unit 132 extracts the temperature value based on the received temperature value data of the first checking data, and sends the extracted temperature value data to the warning sound generating unit 134.

The warning sound generating unit 134 compares the received white value data, red value data, and temperature value data with a preset data value, and generates a warning sound when the received white value, red value, and temperature value are greater than the preset data value. do.

Here, white is considered to be smoke before the fire occurs, and red is considered to have occurred.

In addition, if the temperature value is higher than a preset temperature value, it is considered that a fire has occurred.

On the other hand, the fine dust measuring unit 108 measures the fine dust inside the inverter and the measured fine dust value, the air flow measurement unit 114 measures the air volume of the outside air and measures the measured air flow value, the impact sound detection unit 116 Detects the sound of the external impact, and detects the impact sound value, and the human body detection camera 118 photographs the human body when the human body is detected and sends the captured human body image data to the checking data analysis unit 122.

The checking data analysis unit 122 receives fine dust value data, air volume value data, impact sound value data, photographing human image data, analyzes the received second checking data, and based on the analyzed second checking data. The abnormal data is classified, and the classified data is sent to the worker matching unit 124.

In addition, the worker matching unit 124 is the closest, based on the preset worker information as the data received from the checking data analysis unit 122, that is, the worker to solve the problem of the inverter field, that is, the operator smartphone 104 ) To find it.

When the management unit 102 is described in more detail, the management unit 102 includes a control unit 106, a fine dust measurement unit 108, a camera 110, a temperature measurement unit 112, an air volume measurement unit 114, and a shock sound. The branch 116, the human body detection camera 118, the fire determination means 120, the checking data analysis unit 122, the worker matching unit 124, the guidance map generation API 126, and the guidance map broadcasting unit 128 Including bar,

The fine dust measurement unit 108 collects the internal air of the inverter according to the control signal from the control unit 106, measures the fine dust from the collected air, and then checks the measured fine dust value data by the checking data analysis unit 122 To send.

The camera 110 photographs the interior according to the control signal of the control unit 106, and includes the color photographing unit 130, the temperature extracting unit 132, and the warning sound generating unit 134 for the photographed image data. It is sent to the fire determination means (120).

The temperature measuring unit 112 measures the internal temperature of the inverter according to the control signal from the control unit 106, and the measured temperature value data is a color extraction unit 130, a temperature extraction unit 132, and a warning sound generating unit 134 ) Is sent to the fire determination means (120).

The fire judging means 120 receives photographed image data and temperature value data according to the control signal of the controller 106, analyzes the received first checking data, and generates a fire based on the analyzed first checking data. Judging and beeping

Here, the color extraction unit 130 of the fire determination means 120 extracts white and red based on the captured image data of the received first checking data, and generates a warning sound for the extracted white value data and red value data. Send it to wealth 134.

The temperature extraction unit 132 of the fire determination means 120 extracts the temperature value based on the received temperature value data of the first checking data, and sends the extracted temperature value data to the warning sound generating unit 134.

The warning sound generating unit 134 of the fire determination means 120 compares the received white value data, red value data, and temperature value data with a preset data value, and the received white value, red value, and temperature value are preset. If it is larger than the data value, a beep sounds.

The air volume measurement unit 114 measures the air volume of the outside air according to the control signal of the control unit 106 and sends the measured air volume value data to the checking data analysis unit 122.

The impact sound detection unit 116 detects the sound of the external impact applied to the inverter according to the control signal of the control unit 106, and sends the detected impact sound value data to the checking data analysis unit 122.

The human body detection camera 118 starts photographing when the human body is detected according to the control signal of the control unit 106 and sends the photographed human body image data to the checking data analysis unit 122.

Here, the human body detection camera 118 is provided with a recording unit capable of wireless communication on one side of the inside, and the recording unit performs recording during shooting.

Then, the checking data analysis unit 122 receives fine dust value data, air volume value data, impact sound value data, and photographed human body image data according to the control signal of the control unit 106, and receives the received second checking data. Analyzes, classifies abnormal data based on the analyzed second checking data, and sends the classified abnormal data to the worker matching unit 124.

The worker matching unit 124 is the closest based on the operator information set as abnormal data received from the checking data analysis unit 122 according to the control signal of the control unit 106, but solves the problem of the inverter field. The worker, that is, the worker smartphone 104 is searched and found.

Then, the guidance map generation API 122 generates an electronic map in which a problem inverter is located and sends it to the worker smartphone 104 as shown in FIG. 5 according to the control signal of the control unit 106.

The guidance map broadcasting unit 124 transmits the electronic map guidance broadcasting in which the problematic inverter is located to the worker smartphone 104 in conjunction with the guidance map generation API 122 according to the control signal of the control unit 106.

In addition, the worker smartphone 104 receives the guidance map and the announcement broadcast sent from the management unit 102, and displays the received guidance map and simultaneously conducts the announcement broadcast.

The detailed description of the invention is merely exemplary of the present invention, which is used for the purpose of describing the present invention only, and is not used to limit the scope of the present invention as defined in the claims or claims. Therefore, those of ordinary skill in the art will understand that various modifications and other equivalent embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

100: PV power inverter protection monitoring system
102: management department
104: worker smartphone
106: control unit
108: fine dust measurement unit
110: camera
112: temperature measuring unit
114: air flow measurement unit
116: impact sound detection unit
118: Human body detection camera
120: fire judgment means
122: checking data analysis unit
124: worker matching department
126: Guidance Map Generation API
128: Information Map Broadcasting Department
130: color extraction unit
132: temperature extraction unit
134: warning sound generator

Claims (5)

A management unit 102 for managing the inverter; The operator smart phone 104, which is located at a predetermined interval from the management unit 102, receives guidance maps and announcements sent from the management unit 102, displays the received guidance map, and simultaneously conducts announcements. In the solar power inverter protection monitoring system,
The management unit 102,
A control unit 106;
A fine dust measuring unit (108) installed on one side of the inverter and electrically connected to the control unit (106) to collect the inside air of the inverter according to the control signal of the control unit (106) to measure fine dust from the collected air. ;
A camera 110 installed at one side of the inverter at a predetermined interval from the fine dust measuring unit 108, electrically connected to the control unit 106, and photographing the interior according to a control signal from the control unit 106;
A temperature measuring unit 112 installed at one interval of the inverter at a predetermined interval from the camera 110 and electrically connected to the control unit 106 to measure the internal temperature of the inverter according to the control signal of the control unit 106. ;
Air volume measurement unit 114 installed at an external side of the inverter at a predetermined interval from the temperature measurement unit 112 and electrically connected to the control unit 106 to measure the air volume of the outside air according to the control signal of the control unit 106 Wow;
The shock is installed on one side of the outer surface of the inverter at a predetermined interval from the air volume measurement unit 114, and is electrically connected to the control unit 106 to sense the sound of an external shock applied to the inverter according to the control signal of the control unit 106. A sound sensing unit 116;
A camera for detecting a human body installed at one side of the inverter at a predetermined interval from the impact sound detection unit 116 and electrically connected to the control unit 106 to start shooting upon detecting the human body according to the control signal of the control unit 106 ( 118);
It is electrically connected to the control unit 106 and receives shooting data and temperature data sent from the camera 110 and the temperature measurement unit 110 according to the control signal of the control unit 106, and analyzes the received first checking data. , Fire determination means 120 for determining the occurrence of a fire based on the analyzed first checking data;
It is electrically connected to the control unit 106 and is sent from the fine dust measurement unit 108, the air flow measurement unit 114, the impact sound detection unit 116, and the human body detection camera 118 according to the control signal of the control unit 106. Checking data analysis unit (122) that receives the incoming fine dust data, air volume data, impact sound data, and human body sensory shooting data, analyzes the received second checking data, and classifies abnormal data based on the analyzed second checking data )Wow;
It is electrically connected to the control unit 106 and searches for a worker who solves the problem of the inverter field, that is, the operator smartphone 104, based on the preset operator information according to the control signal of the control unit 106. A worker matching unit 124 to be found;
A guidance map generation API 126 that is electrically connected to the control unit 106 and generates an electronic map in which a problem inverter is located according to the control signal of the control unit 106, and sends it to the operator's smartphone 104;
A guide that is electrically connected to the control unit 106 and sends an electronic map guidance broadcast in which a problem inverter is located to the worker smartphone 104 in conjunction with the guidance map generation API 126 according to the control signal of the control unit 106 Including map broadcasting unit 128,
The fire determination means 120,
A color extracting unit 130 for extracting white and red based on the captured image data of the received first checking data, and for sending the extracted white value data and red value data to a warning sound generating unit;
A temperature extracting unit 132 for extracting a temperature value based on the received temperature data of the first checking data and sending the extracted temperature value data to a warning sound generating unit;
The received white value data, red value data, temperature value data is compared with a preset data value, and when the received white value, red value, temperature value is greater than the preset data value, a warning sound generating unit 134 that generates a warning sound is generated. Solar power inverter protection monitoring system comprising a.



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