KR101475060B1 - Photovoltaic power generation facilities - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photovoltaic power generation facility, A sensing unit including an air speed sensor installed in the periphery of the solar cell module to measure the wind speed; a curtain unit configured to close or open the upper portion of the solar cell module; And a communication module including a control unit for processing the environmental information received by the receiving unit and a transmitting unit for transmitting environmental information processed by the control unit, Wherein the control unit controls the operation of the curtain unit to close the top of the solar cell module when the wind speed measured from the wind speed sensor is greater than or equal to a preset reference value, And the operation of the unit is controlled.
According to the photovoltaic power generation facility according to the present invention, components constituting the photovoltaic power generation facility can be monitored in real time, remotely controlled, and real-time monitoring of power generation facilities and monitoring of power generation capacity can be accurately monitored and controlled .
In addition, the photovoltaic power generation facility according to the present invention can easily determine whether the power plant is in normal operation or not, and can easily cope with the normal operation of the power plant, thereby assuring the stability of the power plant.

Description

[0001] Photovoltaic power generation facilities [

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar power generation facility, and more particularly, to a solar power generation facility capable of measuring and monitoring environmental information around a target site equipped with power generation facilities and power generation facilities.

In recent years, the development and research of clean energy, which can replace them due to exhaustion of fossil energy such as petroleum and environmental pollution, has been activated. In particular, Korea is in need of development of clean energy to replace fossil energy and environment-friendly energy development in order to prevent environmental pollution. can do.

The above-mentioned photovoltaic power generation facility for clean energy development can be said to be a facility for charging DC electricity produced by the light collecting plate through an output regulating device or converting it from an inverter to an AC and supplying it to a customer.

Conventional photovoltaic power generation equipment has a solar cell array in which modules are connected in series or in parallel, a storage battery for power storage, a power controller, and a DC / AC And a peripheral device such as an inverter. The wind turbine is also comprised of peripheral devices similar to solar PV equipment except that the solar cell array is excluded, that is, it produces power from the wind turbine rotor.

Such a wind power generation facility or a photovoltaic power generation facility generally used a remote terminal unit (RTU) in collecting, analyzing or monitoring various data of a power generation facility installed at a remote place.

The remote terminal unit (RTU) collects, in real time, data calculated from power generation facilities included in the power generation system through an inverter or the like and transmits the collected data to an upper database server.

However, in the conventional monitoring method using the remote terminal unit, first, a plurality of communication chips must be used for power generation facilities in order to communicate with each power generation facility. Second, due to the limitation of the communication method using the RTU, Communication can not be performed at the same time and sequential communication can not be performed. Thirdly, there is a problem that delay occurs due to waiting for a communication response when there is no response to one of the power generation facilities during the sequential communication. In addition, since the communication method depending on software is employed, there is a problem that communication failure with all channels occurs when a program error occurs.

Therefore, it is possible to collect, analyze, and store various data of photovoltaic or wind power facilities installed at a remote location, monitor the installed power generation facilities more efficiently using the analyzed data, It is possible to collect and store data by one or a small number of communication chips by solving the problem of the communication method using the RTU and to perform various power generation facilities and multi-channel communication at the same time, A surveillance or a control system capable of preventing a surveillance or control system is required.

In addition, in the case of conventional solar power generation facilities, the power supplied to various sensors such as air volume, temperature, humidity, and CCTV for monitoring or monitoring the power is replaced with some of the power generated from the solar panel, When the temperature is below the set value, or when an abnormality occurs in the electric power supply line or the like, there is a problem that it is impossible to supply electric power to the sensor and the CCTV for monitoring the electric power generation facility and monitor it in real time.

It is an object of the present invention to provide a photovoltaic power generation facility capable of real-time monitoring of components constituting a photovoltaic power generation facility and controllable from a remote place.

It is another object of the present invention to provide a photovoltaic power generation facility capable of precisely monitoring and controlling the stability of photovoltaic power generation facilities, accuracy of measurement and control, real-time monitoring of power generation facilities, and changes in power generation capacity.

The present invention also provides a photovoltaic power generation facility capable of easily determining the presence or absence of a normal operation of the power generation facility and easily coping with it and assuring the stability of the power generation facility, .

According to an aspect of the present invention, there is provided a photovoltaic power generation system comprising: a solar cell module; A sensing unit installed in the vicinity of the solar cell module and including an air velocity sensor for measuring a wind speed; A curtain unit configured to close or open an upper portion of the solar cell module; And a communication module including a control unit for processing the environmental information received by the receiving unit and a transmitting unit for transmitting environmental information processed by the control unit, Wherein the control unit controls the operation of the curtain unit to close the top of the solar cell module when the wind speed measured from the wind speed sensor is greater than or equal to a preset reference value, Controls the operation of the unit.

Wherein the curtain unit includes a first winding section provided on one side of the solar cell module, a second winding section provided on the other side of the solar cell module facing the first winding section, And a support bar installed to be positioned below the curtain member between the first winding part and the second winding part to support the curtain member, The winding unit includes a first roller rotatably installed to wind one end of the curtain member, a first housing rotatably supporting the first roller, and a second housing rotatably installed in the first housing to rotate the first roller. A second roller that is rotatably installed on the other side of the solar cell module facing the first roller so as to wind the other end of the curtain member; 2 Rotate the roller And a second drive motor installed in the second housing to rotate the second roller, wherein the curtain member is moved in accordance with the operation of the first drive motor and the second drive motor The upper portion of the solar cell module is closed or opened.

A monitoring unit receiving ambient environment information transmitted from the communication module and displaying environmental information of the solar cell module; And an auxiliary power unit for generating and storing electric energy independently from the solar cell module and supplying electric energy to the sensing unit and the communication module.

The communication module includes a first optical signal converter for converting environmental information received as an electrical signal through the sensing unit into an optical signal, and a transmission line for transmitting the optical signal converted by the first optical signal converter The monitoring unit includes a second optical signal converter for receiving the optical signal transmitted through the transmission path and converting the optical signal into an electrical signal.

The communication module includes a first wireless signal conversion unit converting the environmental information received as an electric signal through the sensing unit into a wireless signal and wirelessly transmitting the wireless signal, and the monitoring unit receives the wireless signal transmitted from the first wireless signal conversion unit And converts it into an electric signal.

The solar photovoltaic power generation facility according to the present invention has an advantage of preventing breakage and damage of the solar cell module due to strong wind by closing the upper part of the solar cell module through the curtain unit when the wind speed value measured by the wind speed sensor is not less than the set reference value have.

In addition, according to the photovoltaic power generation facility according to the present invention, it is possible to monitor the components constituting the photovoltaic power generation facility in real time, to control it from a remote place, to monitor and control the power generation facility in real time, have.

In addition, the photovoltaic power generation facility according to the present invention can easily determine whether the power plant is in normal operation or not, and can easily cope with the normal operation of the power plant, thereby assuring the stability of the power plant.

1 is a perspective view of a solar power generation facility according to the present invention;
2 is a schematic view of a solar power generation facility according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a photovoltaic power generating system according to the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are schematic views of a solar power generation facility according to the present invention. 1 and 2, the photovoltaic power generation system includes a solar cell module 100 that generates electricity using solar light; A sensing unit 200 installed around the solar cell module 100 and including an air speed sensor 201 for measuring the wind speed; A curtain unit 600 configured to close or open the upper portion of the solar cell module 100; A control unit 301 for processing the ambient environment information received by the receiving unit 310 and a control unit 301 for controlling the control unit 301. The control unit 301 receives the ambient environment information (weather information, etc.) measured by the sensing unit 200, And a transmission unit 330 for transmitting the surrounding environment information.

The solar cell module 100 is fixed to the base frame 110 and the base frame 110 is installed at a predetermined height from the ground by the support frame 120. The base frame 110 is formed wider than the area of the solar cell module 100.

The sensing unit 200 is installed in the vicinity of the solar cell module 100 to measure the ambient wind speed and transmit the measured wind speed to the communication module 300 to be described later.

The curtain unit 600 closes or opens the upper part of the solar cell module 100 to prevent the solar cell module 100 from being damaged or damaged by strong winds and is installed in the base frame 110.

The curtain unit 600 includes a first winding part 610 provided on one side of the solar cell module 100 and a second winding part 610 provided on the other side of the solar cell module 100 facing the first winding part 610 A curtain member 630 having both ends connected to the two winding unit 620 and the first winding unit 610 and the second winding unit 620 and a curtain member 630 connected between the first winding unit 610 and the second winding unit 620 And a support bar 650 installed to be positioned below the curtain member 630 to support the curtain member 630. [

The first winding 610 includes a first roller 611 rotatably installed to wind one end of the curtain member 630 and a second roller 611 rotatably installed on the base frame 110 to rotatably support the first roller 611. [ A first housing 612 fixed to the first housing 612 and having a housing space therein and provided with a first opening 612a on one side thereof and a second housing 612 provided on the first housing 612 to rotate the first roller 611, And a motor 613.

The second winding 620 includes a second roller 621 rotatably installed on the other side of the solar cell module 100 facing the first roller 611 to wind the other end of the curtain member 630, A second roller 621 fixed to the base frame 110 to rotatably support the second roller 621 and having a receiving space therein and a second opening 622a at one side of the first housing 612 facing the first opening 612a, And a second drive motor 623 installed in the second housing 622 to rotate the second roller 621. The second housing 622 is provided with a second drive motor 623,

The curtain member 630 closes or opens the upper portion of the solar cell module 100 according to the operation of the first driving motor 613 and the second driving motor 623, A plurality of second driving motors 623 and a connecting member 632 connecting the plurality of second driving motors 623 in the width direction. A first roller 611 is coupled to one end of the curtain member 630 and a wire member 640 is coupled to the other end of the curtain member 630.

One end of the wire member 640 is fixed to the end of the curtain member 630, and the multiple ends thereof are coupled to the second roller 621.

The support bar 650 is installed between the first housing 612 and the second housing 622 so that when the curtain member 630 is unfolded, the curtain member 630 is moved by the load of the curtain member 630, The lower surface of the curtain member 630 is prevented from contacting the upper surface of the curtain member 100. The support bar 650 is installed at a position where the height of the first opening 612a of the first housing 612 and the second housing 622 is equal to or lower than the height of the second opening.

The communication module 300 includes a receiving unit 310 for receiving surrounding information such as the wind speed measured by the wind speed sensor 201 of the sensing unit 200, A control unit 301 for controlling the operation of the curtain unit 600 according to the surrounding information, and a transmission unit 330 for transmitting the environment information processed by the control unit 301. [

The control unit 301 controls the second drive motor 623 to wind the wire member 640 to the second roller 621 when the wind speed measured by the wind speed sensor 201 is equal to or greater than the set reference value. That is, when the wire member 640 is wound on the second roller 621 while the second driving motor 623 is rotated according to the control of the control unit 301, the curtain member 630 wound on the first roller 611, The first opening 612a of the first housing 612 covers the upper portion of the solar cell module 100 while being drawn out.

On the other hand, when the wind speed measured by the wind speed sensor 201 is less than the reference value, the first driving motor 613 is controlled to cause the first roller 611 to wind the curtain member 630. That is, the upper portion of the solar cell module 100 is opened while the first driving motor 613 is rotated under the control of the control unit 301 and the curtain member 630 is wound on the first roller 611.

The curtain unit according to this embodiment has a structure in which the curtain member is automatically unfolded or wound through the first winding portion and the second winding portion. However, the curtain unit may be configured to be manually operated. In this case, The first drive motor and the second wind-up portion are omitted. However, when the curtain member is manually operated as described above, it is possible to automatically dry the curtain member on the first roller by using the elastic force even if the operator does not perform the operation of curling the curtain member on the first roller It is preferable to further include a spring-loaded spring or a spiral spring.

The solar power generation facility according to the present invention includes a monitoring unit 400 for receiving environment information transmitted from the communication module 300 and displaying an environmental status of the environment around the solar cell module 100 by an administrator; And an auxiliary power generation unit 500 that generates and stores electrical energy independently from the solar cell module 100 and supplies electrical energy to the sensing unit 200 and the communication module 300.

Referring to FIG. 2, electric energy generated in the solar cell module 100 is supplied to the power system 102, that is, the load side, through the inverter 101.

The sensing unit 200 may include an airflow sensor, an airflow sensor 201, a temperature sensor (not shown) for measuring the airflow rate, temperature, humidity, precipitation and the amount of sunshine as one example of ambient environment weather information of a target site on which the solar cell module 100 is installed, A sensor 202, a humidity sensor 203, a rainfall sensor, an optical sensor 204, or a sunshine sensor, and environmental information measured from each sensor is transmitted to a communication module 300 described later in the form of an electric signal. The sensing unit 200 may further include a CCTV 205 for detecting an intrusion of an outside person. The sensing unit 200 receives power from the communication module 300.

The communication module 300 includes a receiving unit 310 for receiving the environmental information signal measured by the sensing unit 200 and a receiving unit 310 for transmitting the environmental information received by the receiving unit 310 to the monitoring unit 400 And a transmission unit 330.

The monitoring unit 400 receives the environment information transmitted from the transmission unit 330 and displays the status of the power generation facility and the surrounding environment so that the administrator can recognize the status of the power generation facility, And displays an image photographed by the CCTV 205.

The monitoring unit 400 may apply a display installed at a predetermined position in a portable terminal, a management room, or a control room.

Although the monitoring unit 400 is not shown in the drawing, the monitoring unit 400 may be configured to automatically control the curtain unit. However, when the curtain unit is configured to be manually operated as in the above example, And an alarm unit for issuing an alarm sound so that the manager can be informed promptly

Although not shown in the drawing, the sensing unit 200 further includes a power generation amount detecting sensor that measures the power generation amount of the solar cell module 100 and transmits the power generation amount measured by the monitoring unit 400 to the monitoring unit 400 The communication module 300 includes a failure determination unit that can determine whether the solar cell module 100 is faulty based on the power generation amount information measured through the power generation amount detection sensor, And an event transmission unit for transmitting an event signal to the monitoring unit 400 when the failure state is determined to allow the administrator to recognize the failure.

The failure determination unit may determine whether the solar cell module 100 is faulty or not based on the power generation amount information measured by the power generation amount detection unit, set the average power generation amount according to the amount of sunshine detected by the sunshine sensor as a reference value, It is determined that the solar cell module 100 is malfunctioning.

The communication module 300 includes a first optical signal converter 320 for converting the environmental information received through the sensing unit 200 into an optical signal, And a transmission path 340 for transmitting the optical signal. The monitoring unit 400 includes a second optical signal converting unit 410 that receives the optical signal transmitted through the transmission path 340 and converts the received optical signal into an electrical signal.

In the process of converting the environmental information measured in the form of an electrical signal into the optical signal through the first optical signal converter 320 and transmitting the optical signal through the transmission path 340, There is an advantage that the problems such as reduction of the strength can be remarkably reduced.

Alternatively, the communication module 300 may include a first wireless signal conversion unit (not shown) for converting environment information received as an electric signal through the sensing unit 200 into a wireless signal and wirelessly transmitting the wireless signal, 400 may include a second radio signal converting unit (not shown) for receiving the radio signal transmitted from the first radio signal converting unit and converting the received radio signal into an electric signal.

In this case, the monitoring unit 400 has an advantage that it can easily receive the information transmitted from the communication module 300 anywhere, even if the manager departs from the management room or the control room by applying the portable terminal capable of wireless communication.

The auxiliary power generation unit 500 includes a sensing unit 200 and a sensing unit 200 for monitoring the status of the power generation facility and the intruding state of the outside environment of the power generation facility because the solar cell module 100 is in a failure state or the amount of sunshine is very small And is provided for preventing the sensing unit 200 and the communication module 300 from being turned off because power can not be supplied to the communication module 300 transmitting the measured information to the monitoring unit 400, Independently and independently supplies electrical energy to the production, storage and communication module 300. [

The auxiliary power generation unit 500 includes a solar cell plate for producing electric energy, an inverter for converting electric energy produced by the solar cell plate, and a battery for storing electric energy, and is installed on one side of the solar cell module 100.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various modifications and equivalent arrangements may be made therein, It will be appreciated that embodiments are possible.

Accordingly, the true scope of protection of the present invention should be defined by the appended claims.

100: solar cell module
200: sensing unit
300: communication module
310:
330:
400: Monitoring section
500: auxiliary power generation section
600: Curtain unit
610: Book 1 Installation
620: Book 2 Installation
630: Curtain member
640:

Claims (5)

A solar cell module;
A sensing unit installed in the vicinity of the solar cell module and including an air velocity sensor for measuring a wind speed;
A curtain unit configured to close or open an upper portion of the solar cell module;
A communication module including a reception unit for receiving the environment information measured by the sensing unit, a control unit for processing the environment information received by the reception unit, and a transmission unit for transmitting environment information processed by the control unit;
A monitoring unit receiving ambient environment information transmitted from the communication module and displaying environmental information of the solar cell module;
And an auxiliary power generating unit for producing and storing electric energy independently from the solar cell module and supplying electric energy to the sensing unit and the communication module,
Wherein the control unit controls the operation of the curtain unit to close the top of the solar cell module when the wind speed measured from the wind speed sensor is greater than or equal to a preset reference value, Controls the operation of the unit,
Wherein the curtain unit includes a first winding section provided on one side of the solar cell module, a second winding section provided on the other side of the solar cell module facing the first winding section, And a support bar installed to be positioned below the curtain member between the first winding part and the second winding part to support the curtain member,
Wherein the first winding portion includes a first roller rotatably installed to wind one end of the curtain member, a first housing rotatably supporting the first roller, and a second housing rotatably supporting the first roller, And a first drive motor installed in the housing,
The second winding portion includes a second roller that is rotatably installed on the other side of the solar cell module facing the first roller so as to wind the other end of the curtain member and a second roller that rotatably supports the second roller 2 housing and a second drive motor installed in the second housing to rotate the second roller,
Wherein the curtain member closes or opens the upper portion of the solar cell module according to the operation of the first driving motor and the second driving motor,
The communication module includes a first optical signal converter for converting environmental information received as an electrical signal through the sensing unit into an optical signal, and a transmission line for transmitting the optical signal converted by the first optical signal converter ,
The monitoring unit includes a second optical signal converting unit for receiving the optical signal transmitted through the transmission path and converting the received optical signal into an electrical signal,
Wherein the sensing unit further comprises a sunlight amount sensor for measuring the amount of sunshine and a power generation amount detecting sensor for measuring the power generation amount of the solar cell module and transmitting the measured power generation amount to the monitoring unit,
Wherein the communication module comprises: a failure determination unit for determining whether the solar cell module is faulty through the power generation amount information measured by the power generation amount detection sensor; and a failure determination unit for determining, when the failure determination unit determines that the solar cell module is in a failure state, Further comprising an event transmission unit for transmitting an event signal so that an administrator can recognize the event signal. delete delete delete delete

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