KR20090015263A - Hybrid generation and control system for buoy using solar light, wind and wave energy - Google Patents

Abstract

Hybrid power generation for the light float and the management system using sunlight, the wind force and wave activated power are provided that the lifetime of the light float is extended. Hybrid power generation for the light float and the management system using sunlight, the wind force and wave activated power comprise a flotation part(101) in which the lighthouse(102) guiding the route of the ship to the top is equipped, a sinker part(103) maintaining the passive state, a solar energy generating apparatus(110) installed at flotation part, a wind power installation(120), a wave power generator(130) installed between the flotation part and the sinker part, a hybrid generation controller(140) which accumulates the electricity of being produced with the power generation device and integrating and regulates and controlled to one electricity, a remote monitoring apparatus for supervising the light buoy based on the monitoring information via the communications network.

Description

HYBRID GENERATION AND CONTROL SYSTEM FOR BUOY USING SOLAR LIGHT, WIND AND WAVE ENERGY}

The present invention relates to a hybrid power generation and management system for the buoy using solar light, wind power and wave power, and more particularly, to a hybrid power generation and management system for the buoy using wind power and wave power based on solar light.

In order to safely navigate the ship at sea, it is necessary to periodically check the ship's position. For this purpose, where the traffic of a vessel is heavy, an artificial facility is needed to assist the operation of the vessel, and a facility installed to accomplish this purpose is a route mark. In the route sign, especially the buoys equipped with marine light registers, the stable operation and regular maintenance of power are the biggest problems because the local operating environment is operated unattended and it is not easy to manage due to geographical factors. have.

Conventional isobu is a power generation system using only photovoltaic power generation that is generated according to the amount of solar light, so the power output also varies greatly depending on the amount of light that is severely changed by the change of seasons and weather, and thus the stability of the power system is greatly increased. If it falls and the number of relief days is long, it may not be possible to turn on the lamp, which has a disadvantage of adversely affecting the life of the battery and increasing maintenance costs.

In addition, the existing buoys are installed in the offshore of the remote place, and the managers frequently check the battery packs, solar panels, flashing lights, etc. at any time or regularly to check whether they are damaged or not. After moving to the place where it is necessary to replace or repair, the administrator had to check and operate on site. Above all, it is one of the dangerous tasks that the inspector has to carry out work by boarding the buoy, which always includes the possibility of an industrial accident, and the cost and human waste for the management of the buoy are increased.

In addition, since it is not possible to immediately determine whether or not the failure of the buoy, there was a problem that there is a risk of marine vessel accident due to the failure of the buoy.

Therefore, the present invention has been made to solve the above problems, in order to solve the power shortage problem in the power system for the back buoy consisting only of the existing solar power generation system, solar power generation, wind power generation using a vertical windmill, frequency Produces continuous power by using template wave power generation, and based on solar power according to local weather conditions, hybrid power generation for solar energy, wind power and wave power that can additionally attach and detach wind generators and wave generators. The purpose is to provide a management system.

The present invention connects and cuts the circuit according to the power generation output of each power generation device, and surplus power after charging the main battery is charged to the auxiliary battery, and is used for back light using solar, wind, and wave power used in dummy and antifouling systems. Another aim is to provide a hybrid generation and management system.

It is another object of the present invention to provide a hybrid power generation and management system for a buoy using solar light, wind power and wave power, which can confirm abnormalities of the buoy in a remote location.

Hybrid power generation and management system for the buoy using solar light, wind power and wave power in accordance with a preferred embodiment of the present invention for achieving the object as described above, is equipped with a brighter that floats on the sea surface and guides the route of the vessel to the top A hybrid power generation and management system for a back table having a floating part and a lower part installed on the sea bottom to maintain a floating state, the hybrid power generation and management system installed in the floating part; A wave power generator installed between the floating part and the invasive part; A hybrid power generation control device installed in the floating part and configured to collectively adjust and control power generated by each of these power generation devices into one electric power; And a remote monitoring device that monitors various driving states based on the detection signals transmitted from the devices while communicating with the register and manages and supervises the register via the communication network based on the monitoring information. It is done.

In addition, the photovoltaic device according to the present invention includes a photovoltaic generator made of a solar panel for converting solar energy into electrical energy; A battery for charging DC power generated by the solar generator; And a charge / discharge controller for protecting overcharge and overdischarge of the storage battery.

Here, the charge and discharge controller, MPPT controller for charging at the maximum power generation efficiency according to the solar radiation amount and insolation of the solar generator; A voltage adjusting unit which converts the DC power generated by the solar generator into a charging voltage; A reverse current prevention diode configured between the voltage adjusting unit and the storage battery to prevent current from flowing from the storage battery to the solar generator through the voltage adjusting unit; And a charge / discharge controller configured to detect an electrical signal from the solar generator and control overcharging and overdischarging the battery.

In addition, the wind turbine generator according to the present invention, the windmill having a vertical propeller to be rotated by the wind; It is preferably configured to include; a wind turbine that is connected to the windmill to produce power.

In addition, the wave power generation apparatus according to the present invention includes a vibration receiving type chamber for converting the kinetic energy and potential energy of the wave from the ocean wave into a form of mechanically convertible energy; And a wave generator in which the air rotates the turbine by the inflow and outflow of the air in and out of the chamber by the up-and-down movement of the chamber and the wave within the oscillating chamber. desirable. The air turbine is more preferably a Wells turbine.

In addition, the hybrid power generation control apparatus according to the present invention includes a rectifier circuit unit for rectifying the power of the AC component of the wind power generator and wave generator with the power of the DC component; A circuit breaker control unit for reducing unnecessary circuit loss by cutting off a circuit of a generator whose power generation is zero among the wind turbine or wave generator; First, the electric power produced by the solar generator, the wind generator, and the wave generator is charged to the storage battery, and when the battery is fully charged, the charging control is started to start the charging of the auxiliary storage battery supplying the dummy system and the antifouling system. It is preferably configured to include a; central control unit for controlling.

In addition, the remote monitoring device according to the present invention includes a sensor unit for detecting an operating state of each power generation device; A signal control unit for adjusting the analog signals input from the sensor unit for each sensor; A data acquisition unit for receiving data sensed from the plurality of sensors and converting analog data into digital data; A signal processing unit for generating a digital sensor signal in response to the digital data provided by said data acquisition unit; A central management server for managing and supervising each device while communicating with the register; And a computer terminal that receives the state of the register from the central management server, stores it in a database and displays it as a monitor, and receives a control signal of an administrator and outputs it to the central management server.

Here, the sensor unit is installed in the solar power generation device for detecting the temperature and solar radiation photovoltaic power generation detection sensor, installed in the wind power generation device for detecting the wind speed and blade rotation speed, and installed in the wave power generation device It is more preferable to include any one or more of the wave power generation detection sensor for detecting the differential pressure and the turbine rotational speed, etc. across the turbine.

As described above, according to the present invention, since the solar, wave, and wind energy used in the power generation system exhibit power generation characteristics opposite to each other according to the weather, the amount of power produced daily and seasonally can be provided uniformly without deviation. It works.

In addition, according to the present invention there is an effect that the entire power generation system can be efficiently operated by applying additional systems such as a dummy system and an antifouling system.

In addition, according to the present invention, by introducing a remote monitoring system, by monitoring the integrated status of a plurality of buoys installed in a remote site and integrated management and at the same time by controlling the operation of the remote buoys in the remote real time, a separate to the marine buoys It is possible to prevent maintenance costs and human losses, to extend the life of the register, and to prevent the occurrence of additional costs due to frequent replacement of the register.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a hybrid power generation and management system for a buoy using solar light, wind power and wave power according to an embodiment of the present invention, Figure 2 is a diagram showing a buoy according to the present invention.

As shown in FIG. 1 and FIG. 2, the hybrid power generation and management system for the buoy using solar light, wind power, and wave power according to the present invention includes a buoy 100 and a remote monitoring device 200.

The back table 100 is floated on the sea surface and the floating portion 101 is provided with a brighter 102 to guide the course of the ship to the top, and the lower part is installed on the sea bottom surface to maintain the floating state 103 Consists of The floating portion 101 is provided with a photovoltaic device 110, a wind power generator 120, and a hybrid power generation control device 140, and a wave force between the floating part 101 and the invasion part 103. The generator 130 is installed.

First, the solar cell apparatus 110 according to the present invention will be described.

3 is a schematic configuration diagram of a photovoltaic device 110 according to the present invention.

As shown in FIG. 3, the photovoltaic device 110 includes a photovoltaic generator 112 that generates electricity by connecting a solar panel that converts solar energy into electrical energy in series and in parallel as necessary. Battery 114 for charging the DC power supplied from the photovoltaic generator 112, and the charge and discharge controller 116 to detect the electrical signal from the photovoltaic generator 112 to protect the overcharge and over-discharge of the battery 114 And a load stage 118.

The charge / discharge controller 116 includes an MPPT controller 1160, a voltage adjuster 1162, a reverse current prevention diode 1164, and a charge / discharge controller 1166. The MPPT controller (Maximum Power Point Tracking) 1160 is based on the solar radiation and solar radiation of the solar generator 112 in a stand-alone power system such as a buoy placed in a poor environment in terms of reliability of power supply. In order to charge at the maximum power generation efficiency, the photovoltaic generator 112 is controlled to output the maximum power that can be generated using the MPPT control algorithm. Conventional MPPT control algorithms have relatively high MPPT operation at high solar radiation, but MPPT control does not operate smoothly at low solar radiation. Therefore, the MPPT control algorithm according to the present invention is performed according to the power change amount ΔP in order to increase the efficiency of the photovoltaic power generation system. If ΔP is not '0', PWM switching is used to track the maximum output point by adjusting the reference voltage.

On the other hand, since the voltage generated by each of the generators, including the solar panel is a fluctuation rate is severe, a constant voltage circuit is required to supply a stable power, the voltage regulator 1162 in each of the generators, including the photovoltaic generator 112 Convert the generated DC voltage into charging voltage. The reverse current prevention diode 1164 is configured between the voltage adjusting unit 1162 and the storage battery 114 so that a current flows in each power generating device including the photovoltaic generator 112 through the voltage adjusting unit 1162 in the storage battery 114. To prevent it from flowing. The charge / discharge control unit 1166 detects an electrical signal from the photovoltaic generator 112 to control overcharge and overdischarge of the storage battery.

Next, the wind power generator 120 according to the present invention will be described.

The basic design capacity of the wind power generator 120 according to the present invention belongs to the ultra-small wind power generation in the scale of 40W, as shown in Figure 1 and 2 in the vertical propeller type, windmill 122, and the windmill ( And a wind power generator 124 connected with 122 to produce power. On the other hand, the wind turbine 122 for wind power generation is exposed to natural phenomena, so it is important to protect against natural disasters such as typhoons and gusts. In the case of large windmills, the construction of safety protection devices is overcome by the application of the latest mechatronics technology. In the case of a small size, the system is simplified by a simple mechanism, and the wind turbine generator 120 of the present invention also mechanically brakes the windmill not to rotate at a predetermined wind speed, which is already known. Detailed description thereof will be omitted.

4 is a cross-sectional view of the wave power generator 130 according to the present invention.

As shown in FIG. 4, the wave power generation device 130 according to the present invention is largely divided into a vibration receiving mold chamber 132 and a wave generator 134, and the vibration receiving mold chamber 132 is formed of blue waves from ocean waves. It is a device that converts kinetic energy and potential energy into mechanically convertible energy forms. In addition, the wave generator 134 is a device for converting the energy absorbed from the vibration receiving chamber 132 into the form of electrical energy, is connected to the rotating turbine is driven, the turbine in the present invention is the flow direction of the opposite air A wells turbine (WELLS tubine) 1340 rotatable in one direction is provided.

Accordingly, air in the chamber is introduced into and out of the chamber by waves and vertical movements of the chamber in the oscillating chamber 132, so that the air rotates the turbine 1340 and the wave generator 134 connected to the turbine 1340. Produce power through

Here, the point of the design of the wave power generator 130 is that the waves inside the main body of the vibration receiving chamber 132 causes resonance at a specific frequency under the influence of external incident waves. As a result, the flow rate of air flowing out of the chamber through the nozzle to the atmosphere is increased, and thus the energy absorption in the air turbine is also increased. The motion characteristics in the chamber vary according to the parameter values shown in FIG. 4, and the resonance frequency also changes.

5 is a system diagram of the hybrid power generation control device 140 according to the present invention.

As shown in FIG. 5, the hybrid power generation control device 140 monitors the power generation amount of each of the power generation devices 110, 120, and 130, the charge amount of the storage battery 114, the load capacity, and the like, and the power generation devices 110, 120, and 130 according to the state. By connecting and disconnecting, the rectifier circuit unit 142, the circuit breaker control unit 144, and includes a central control unit 146.

First, since the power generated by the wind generator 124 and the wave generator 134 is an AC power source, the AC power of the wind and wave generators is rectified to the DC power source through the rectifier circuit unit 142.

In addition, the wind power generator 120 or the wave power generator 130 of zero power production due to the absence of wind or waves do not cut unnecessary circuit loss by breaking the circuit through the breaker control unit 144.

The central controller 146 collects the power produced by the photovoltaic generator 112, the wind power generator 124, and the wave power generator 134, charges the main battery 114 first, and transmits it to each load again. When the main battery 114 is fully charged, the secondary battery 115 starts charging. That is, the main battery 114 first supplies power to the main load for the same reference table, such as the lamp 102, and the surplus power charged in the auxiliary battery 115 is a dummy system 1460 and antifouling. ) Is used to preferentially drive auxiliary loads such as system 1462. In addition, when the charge amount of the main battery is insufficient due to long periods of relieving days, the main load is operated by using the auxiliary battery, and when the charge amount of the auxiliary battery is insufficient, the auxiliary load is driven by the main battery.

6 is a schematic diagram of a dummy system 1460 according to the present invention, and FIG. 7 is a schematic diagram of an antifouling system 1462 according to the present invention.

As shown in FIG. 6, the dummy system 1460 refers to a circuit which is not used as an actual load but serves a peripheral circuit by playing a role similar to the actual load. The surplus power exceeding the load of the isobu 100 is charged to the auxiliary storage battery 115 and flowed to the dummy resistor to prevent overcharging of the system, and may also adversely affect the system by using heat generated in the resistor. Remove moisture

In addition, the antifouling system 1462 is a circuit for preventing animals and plants from being attached to the bottom of ships, marine structures, and the like. In this system, an electrical method as shown in FIG. Prevents deterioration of efficiency.

That is, the antifouling system 1462 provided at the top of the chamber is provided with an anode (+) and a cathode (-), respectively. At this time, the cathode (-) side is electrically connected to the chamber. The anode (+) side is electrically connected to two anode terminals along the axial direction of the chamber, respectively.

Next, the remote monitoring apparatus 200 according to the present invention will be described. 8 is a schematic diagram showing a detailed structure of a remote monitoring apparatus 200 according to the present invention.

As shown in FIG. 8, the remote monitoring apparatus 200 has a measurement sensor for efficient management of the entire system, and the result is read by the computer terminal 270 on land by wireless signal transmission using a predetermined communication network. It is possible to control and monitor the operating state of the hybrid power generation and management system for the system, and the signal transmission system is shown in FIG.

The remote monitoring apparatus 200 includes a sensor unit 210, a signal control unit 220, a data acquisition unit 230, a signal processing unit 240, a communication unit 250, a central management server 260, and a computer terminal ( 270).

The sensor unit 210 may be equipped with a detection sensor for each of the power generators 110, 120, and 130 installed in the back table 100 to detect voltage and current for each power generation device from the sensor to check charging power. In particular, the data received by the sensor unit 210 in consideration of the characteristics of the power generation device (110, 120, 130) in the photovoltaic device 110, the photovoltaic power detection sensor 212 for detecting the temperature and solar radiation, and wind power generation In the apparatus 120, the wind power generation sensor 214 for detecting the wind speed and the blade rotation speed, and the wave power generation device 130 is provided with a wave power generation detection sensor 216 for detecting the differential pressure and turbine rotation speed of the turbine both ends. Also, it is possible to check and control the operation state, charge / discharge power, use load, circuit connection and disconnection state of each power generator 110, 120, 130, and have an analog signal form.

In addition, a signal conditioning system 220 for adjusting the analog signals input from the sensor unit 210 for each sensor, and receives data sensed from a plurality of sensors and converts the analog data into digital data. The data acquisition unit 230 and a signal processing unit 240 for generating a digital sensor signal in response to the digital data provided by the data acquisition unit 230 are provided. . The digital sensor signal related to the operation state of each of the power generators 110, 120, 130, the charge / discharge power of the storage battery 114, the use load amount, the circuit connection, and the disconnection state is converted into a signal for wireless transmission by the communication unit 250, and the center of the remote site is converted. It is collected by the management server 260.

The central management server 260 transmits such a digital sensor signal to the computer terminal 270 through an I / O module 262, and the manager floats on the sea level through the computer terminal 270. In communication with 100, the state of the register 100 is input and controlled in real time, and various data for the implementation of the present invention are stored in a database (Power Generation System Database) 262 and displayed on the monitor 264. In addition, the computer terminal 270 receives a control signal of the administrator and outputs it to the central management server 260.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible. The true technical scope of the invention should be defined only by the appended claims.

Hybrid power generation and management system for light buoy using solar light, wind power and wave power according to the present invention can be suitably used as a lighthouse or a light tag, a floating buoy floating in the sea, a route marker to ensure the safety of maritime traffic.

1 is a block diagram of a hybrid power generation and management system for the buoy using solar light, wind power and wave power according to an embodiment of the present invention.

2 is a diagram showing an isometric table according to the present invention;

3 is a schematic configuration diagram of a photovoltaic device according to the present invention.

4 is a cross-sectional view of the wave power generator according to the present invention.

5 is a system diagram of a hybrid power generation control device according to the present invention.

6 is a schematic diagram of a dummy circuit according to the present invention;

7 is a system diagram of the antifouling circuit of the electric method according to the present invention.

8 is a schematic diagram showing a detailed structure of a remote monitoring apparatus according to the present invention.

* Explanation of symbols on main parts of the drawings *

100. Back Table 101. Floating Part

102. Declaration 103.

110. Solar Power Generator 112. Solar Power Generator

114. Storage battery 115. Storage battery

116. Charge and discharge controller 120. Wind power generator

122. Windmills 124. Wind Power Generators

130. Wave Power Generator 132. Vibration Repelling Chamber

134. Wave generators 140. Hybrid power generation control devices

142. Rectifier circuit part 144. Circuit breaker control part

146. Central control unit 200. Remote monitoring device

210. Sensor unit 220. Signal control unit

230. Data Acquisition Unit 240. Signal Processing Unit

250. Communication unit 260. Central management server

262. I / O module unit 270. Computer terminal

272. Database 274. Monitor

1160.MPPT Controller 1162.Voltage Adjustment Unit

1164. Reverse current prevention diode 1166. Charge and discharge control unit

1460. Pile System 1462. Antifouling System

Claims (9)

Floating table 100 having a floating portion 101, which floats on the sea surface and is provided with a brighter 102 to guide the course of the ship to the upper portion, and the invasion portion 103 installed at the bottom of the sea to maintain a floating state. Hybrid power generation and management system for A photovoltaic power generation device 110 and a wind power generation device 120 installed at the floating portion 101; A wave power generator 130 installed between the floating portion 101 and the invading portion 103; A hybrid power generation control unit (140) installed in the floating unit (101) and collecting power generated by each of the power generating apparatuses (110, 120, 130) and coordinating and controlling them into one electric power; The remote monitoring apparatus 200 monitors various driving states based on detection signals transmitted from the devices while communicating with the register 100 and manages and supervises the register 100 through a communication network based on the monitoring information. Hybrid power generation and management system for the buoy using solar power, wind power and wave power, characterized in that comprises a. The method of claim 1, wherein the photovoltaic device 110, A photovoltaic generator 112 formed of a solar panel converting solar energy into electrical energy; A storage battery 114 that charges the DC power generated by the photovoltaic generator 112; And Hybrid power generation and management system for the buoy using solar, wind and wave power, characterized in that it comprises a; charge and discharge controller (116) to protect the over-charge and over-discharge of the storage battery (114). The method of claim 2, wherein the charge and discharge controller 116, An MPPT controller 1160 for charging at maximum power generation efficiency according to the solar radiation amount and solar radiation angle of the photovoltaic generator 112; A voltage adjusting unit 1162 for converting the DC power generated by each of the power generating apparatuses including the solar generator 112 into a charging voltage; A reverse current prevention diode configured between the voltage adjusting unit 1162 and the storage battery 114 to prevent current from flowing from the storage battery 114 to the power generators including the photovoltaic generator 112 through the voltage adjusting unit 1162 ( 1164); And Charge and discharge control unit 1166 to detect the electrical signal in the photovoltaic generator 112 to control the overcharge and overdischarge of the storage battery 114; Hybrid power generation and management system. According to claim 1, The wind power generator 120, A windmill 122 having a vertical propeller to be rotated by wind power; Hybrid power generation and management system for the buoy using solar and wind power and wave power, characterized in that it comprises a; wind power generator 124 connected to the windmill 122 to produce power. The method of claim 1, wherein the wave power generator 130, A vibration receiving chamber 132 for converting the kinetic energy and the potential energy of the wave from the ocean wave into a form of mechanically convertible energy; A wave generator 134 which rotates the turbine by the inflow and outflow of air in and out of the chamber by the up-and-down movement of the chamber and the wave within the oscillating chamber 132 to produce electric power; Hybrid power generation and management system for the buoy using solar and wind power and wave power, characterized in that comprises a. The method of claim 5, wherein the turbine, Hybrid power generation and management system for the buoy using solar, wind and wave power, characterized in that the Wells turbine (WELLS tubine). The method of claim 1, wherein the hybrid power generation control unit 140, A rectifier circuit unit 142 for rectifying the power of the AC component of the wind power generator 124 and the wave generator 134 into the power of the DC component; A circuit breaker controller 144 for reducing the unnecessary circuit loss by shutting off a circuit of a generator whose power production is zero among the wind power generator 124 or the wave generator 134; First, the power generated by the photovoltaic generator 112, the wind power generator 124, and the wave generator 134 is charged to the storage battery 114, and when the storage battery 114 is fully charged, the dummy system 1460 and the antifouling system ( Solar power and wind power and wave power, characterized in that it comprises a; central control unit 146 to control the start of charging to the secondary battery 115 to supply power to 1462 and to control the driving of the equalizer 102 Hybrid power generation and management system for register. The method of claim 1, wherein the remote monitoring device 200, A sensor unit 210 for detecting an operation state of each power generator 110, 120, 130; A signal adjusting unit 220 for adjusting the analog signals input from the sensor unit 210 for each sensor; A data acquisition unit 230 for receiving data sensed from the plurality of sensors and converting analog data into digital data; A signal processing unit 240 for generating a digital sensor signal in response to the digital data provided by the data obtaining unit 230; Communication unit 250 for transmitting the digital sensor signal of the signal processing unit 240 to the central management server; A central management server (260) for managing and supervising each device by communicating with the register table (100) by the communication unit (250); And A computer terminal that receives the state of the register table 100 from the central management server 260, stores it in the database 272, displays it as a monitor 274, and receives a control signal of an administrator and outputs it to the central management server 260. Hybrid power generation and management system for the buoy using solar and wind power and wave power, characterized in that comprises a. The method of claim 8, wherein the sensor unit 210, Photovoltaic power generation detection sensor 212 installed in the photovoltaic device 110 to detect temperature and solar radiation, and wind power generation sensor 214 installed in the wind power generation device 120 to detect wind speed and blade rotation speed. And a wave table installed in the wave power generation device 130 and including any one or more of wave power generation detection sensors 216 for detecting the differential pressure and the turbine rotational speed at both ends of the turbine. Hybrid power generation and management system.

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