KR101290126B1 - Illumination system having mirrors to condense and sense the sun exactly and a multiplex renewable energy system - Google Patents

Abstract

PURPOSE: A lighting system attached with mirror with complex recycle energy generating system and precise solar collecting sensing technology is provided to precisely correct the error of solar tracking and improve the efficiency of solar collecting, thereby lighting a lamp for a long time by using the collected solar energy. CONSTITUTION: A solar device unit (100) outputs solar energy by converting the solar energy into electric energy. The solar device unit includes a solar collector (110), in which a plurality of solar modules are arranged, and a solar array unit (130), in which a plurality of solar batteries are arranged. A main tracker (120) moves the solar device unit according to the altitude and the azimuth of sun. A battery unit (180) stores electric energy generated from the solar device unit. A lighting unit (170) outputs electric energy provided from the solar device unit and the battery unit by using a lamp. A control unit (190) controls a main tracker so that the solar device unit tracks the sun. [Reference numerals] (110) Solar collector; (120) Main tracker; (130) Solar array unit; (140) Wind power generation unit; (150) Small hydropower generation unit; (170) Lighting unit; (180) Battery unit; (190) Control unit

Description

Lighting system having mirrors to condense and sense the sun exactly and a multiplex renewable energy system}

The present invention relates to a mirror-mounted lighting system having a precision photovoltaic concentrating sensing technology having a complex renewable energy generation system, and more particularly, to a photovoltaic condensing module that automatically tracks the sun using the sun's orbit. Of a photovoltaic lighting system with precision light condensing sensing technology that uses a photovoltaic precision tracker that accurately compensates for solar tracking errors and has a complex renewable energy generation system in case solar lighting is not possible. will be.

Recently, due to the depletion of fossil energy and global warming, various problems have emerged, and environmental regulations have been strengthened internationally, the use of fossil fuels has been suppressed, and interest in the development and use of renewable energy has been increasing. The development of renewable energy continues to grow despite the barriers to overinvestment initially compared to other energy sources.

On the other hand, the population density of the city is increasing over time, and many people living in the city live in buildings, tunnels, underground malls, and the like. As sunlight does not reach inside buildings, tunnels, underground shopping centers, etc., it relies on electric lighting during the day, and a lot of electric energy is consumed to illuminate the indoor lighting during the day.

Among renewable energy, solar energy is developed to absorb solar heat energy and use it for heating, solar cell converting solar light energy into electrical energy, and condensate and use solar energy. have.

In the case of condensing and using the light energy of the sun, it can be used as the illumination light inside the building by condensing the sunlight and transmitted through the optical fiber. The optical fiber can transmit the sunlight into the building with almost no loss, so it can be usefully used during the day when the sun exists, but there is a problem that cannot be used at night.

In other words, in the case of poor nighttime or bad weather where solar light is impossible, there is a demand for a technology for producing energy for lighting and supplying it to a lighting system by using a renewable energy system such as wind power, solar power, or small hydro power generation. .

In addition, when the solar light collecting device for condensing the sunlight is a fixed type, there is a problem that the light collection efficiency is greatly reduced due to the position change of the sun. Accordingly, in order to efficiently collect sunlight, a solar light collecting device that accurately tracks the sun according to a change in the position of the sun is required.

1. Republic of Korea Patent Publication No. 10-2009-0072427 (July 02, 2009) 2. Republic of Korea Patent Publication No. 10-1187357 (September 25, 2012) 3. Korean Utility Model Publication 20-2010-0009093 (September 17, 2010)

The present invention is to solve the above-mentioned conventional problems, precisely correct the solar tracking error generated by moving along the position change of the sun, and supplies power from a small complex renewable energy generation facility or battery even in the absence of sunlight It is an object of the present invention to provide a mirrored lighting system having a precision solar light condensing sensing technology having a complex renewable energy generation system configured to receive.

The lighting system with a mirror having a precision solar light condensing sensing technology having a complex renewable energy generation system of the present invention comprises: a photovoltaic device unit for condensing and outputting sunlight and converting and converting sunlight into electrical energy; A main tracker which moves the photovoltaic unit according to the altitude and azimuth of the sun set for each day, and drives the photovoltaic unit to track the sun; A battery unit in which electrical energy generated by the solar device unit is charged; An illumination unit which adjusts the intensity of sunlight collected by the solar device unit and outputs the light, and outputs electrical energy provided by the solar device unit and the battery unit as illumination; A selection unit for stabilizing electrical energy generated by the photovoltaic unit and providing the battery unit or the lighting unit; The photovoltaic unit controls the main tracker to track the sun, and according to the intensity of sunlight collected and output from the photovoltaic unit, electrical energy generated by the photovoltaic unit is one of the lighting unit and the battery unit. And a control unit for controlling the selection unit to be provided as one, wherein the photovoltaic device unit is installed to face the sun, and includes a concave mirror reflecting sunlight to focus the sunlight at a focal point, and the sun reflected from the concave mirror. When the light is incident on one side of the precision machined, the optical fiber bundle for transmitting the sunlight to the other end surface, and the optical sensor unit is formed by four cylindrical members in a square shape on the surface facing the sun concave mirror A solar light collecting unit in which a plurality of solar modules are arranged; A plurality of precision trackers installed under each of the plurality of photovoltaic modules to finely drive each of the plurality of photovoltaic modules to be perpendicular to the sun; And a solar array unit disposed at both sides of the plurality of solar light collecting units and having a plurality of solar cells arranged to convert sunlight into electrical energy. The control unit includes four cylindrical members inside the optical sensor unit. The precision tracker is controlled to be equal to the amount of light detected by the optical sensor installed in the plurality of solar light collecting module, characterized in that for adjusting to maintain the vertical to the sun.

Here, the optical sensor unit is characterized in that the inner surface of each of the four cylindrical members is coated in black so that the sunlight reaches the optical sensor installed therein without reflection.

The controller may monitor a light condensing state of the solar light concentrator, and when the intensity of sunlight output from the solar light concentrator is smaller than a predetermined intensity, the electrical energy generated by the solar array unit is the illumination unit. When the intensity of the solar light output from the solar light collecting unit is greater than a predetermined intensity, it characterized in that for controlling the selection unit so that the electrical energy generated in the solar array unit is charged to the battery unit.

In addition, a mirror-mounted lighting system having a precision solar light condensing sensing technology with a complex renewable energy generation system of the present invention includes a wind power generation unit for converting the rotational energy of the rotor driven by the wind into electrical energy; And a hydrophobic power generation unit for converting potential energy of water into electrical energy, wherein the selection unit stabilizes electrical energy output from the solar array unit, the wind power generation unit, and the hydrophobic power generation unit, and outputs the power to the battery unit. It is possible to further select whether to output to the lighting unit.

Herein, when the intensity of sunlight output from the solar light collecting unit is less than a preset intensity and the intensity of electrical energy generated by the solar array unit is smaller than a preset intensity, the controller is charged in the battery unit. The battery unit is controlled to supply electric energy to the lighting unit.

As described above, according to the lighting system with a mirror having the solar precise light concentrating sensing technology having the complex renewable energy generation system of the present invention, the following effects are obtained.

By tracking the sun according to the altitude and azimuth of the sun, and correcting the solar tracking error generated at this time to greatly increase the solar light collecting efficiency, it is possible to brighten the light for a long time using the concentrated sunlight.

In addition, when the solar light is not available, such as on a cloudy day or at night, the lamp is lit using electric energy charged in the battery, and solar power generation using solar cells, small wind power generation or small hydro power generation using wind. By using the generated electrical energy to illuminate the lighting, the reliability of the lighting system can be increased.

1 is a block diagram showing a schematic configuration of a lighting system according to an embodiment of the present invention
2A and 2B are views for explaining the configuration of a photovoltaic device unit of the lighting system according to an embodiment of the present invention.
3A and 3B are views for explaining the configuration of the solar light collecting module included in the solar cell unit described in FIGS. 2A and 2B and the operation of the precision tracker.
4A and 4B are views for explaining a configuration of an optical sensor unit included in the solar light collecting module described with reference to FIGS. 3A and 3B.

Hereinafter, with reference to the accompanying drawings, a mirror-illuminated lighting system having a precision photoconcentration sensing technology with a complex renewable energy generation system according to the present invention will be described.

1 is a block diagram showing a schematic configuration of a lighting system according to an embodiment of the present invention, Figures 2a and 2b is a view for explaining the configuration of a solar device of the lighting system according to an embodiment of the present invention, 3A and 3B are views for explaining the configuration of the solar light collecting module included in the solar cell unit described in FIGS. 2A and 2B and the operation of the precision tracker, and FIGS. 4A and 4B are FIGS. 3A and 3B. FIG. Is a view for explaining the configuration of the optical sensor unit included in the solar light collecting module described.

Referring to FIG. 1, the lighting system of the present invention includes a photovoltaic device unit 100 including a solar light collecting unit 110 and a solar array unit 130, a main tracker 120, an lighting unit 170, and wind power. The power generation unit 140, the hydro power generating unit 150, the selecting unit 160, the battery unit 180, and the controller 190 are included.

As illustrated in FIG. 2A, a plurality of solar light collecting modules 110a and 200 of FIG. 3A are arranged in the solar light collecting unit 110. Each of the solar light collecting modules 110a (200 in FIG. 3A) collects and outputs sunlight and will be described in detail later with reference to FIGS. 3A and 3B.

At the lower side of each solar light collecting module 110a (200 in FIG. 3A), as shown in FIG. 3A, a precision tracker 210 for correcting a solar tracking error is mounted. The precision tracker 210 includes a two-axis motor (not shown) for driving in the X-axis and the Y-axis, and drives the solar light collecting module 110a (200 in FIG. 3A) to maintain the vertical direction to the sun.

As shown in FIG. 2A, the solar array unit 130 is provided at both sides of the solar light collecting unit 110, and a plurality of solar cells 130a for converting sunlight into electrical energy are arranged. The electrical energy generated by the solar array unit 130 is a direct current (DC).

The main tracker 120 operates the photovoltaic unit 100 up, down, left, and right to drive the photovoltaic unit 100 to track the sun according to the position change of the sun. That is, as shown in FIG. 2B, the main tracker 120 includes a vertical motion motor (not shown) and a left and right rotation motor (not shown), and are controlled for each date by the control of the controller 190 to be described later. The photovoltaic device 100 is driven to track the sun according to the azimuth and altitude of the sun.

The lighting unit 170 adjusts the brightness of the sunlight output from the solar light collecting unit 110 and outputs the light. In addition, the lighting unit 170 outputs the electrical energy generated by the solar array unit 130, the wind power generation unit 140, and the small hydro power generation unit 150 or the electrical energy charged in the battery unit 180 as illumination. .

That is, the illumination unit 170 includes an illumination sensor (not shown), and adjusts the brightness of the sunlight under the control of the controller 190 so that the brightness detected by the illumination sensor maintains the preset brightness. The lighting unit 170 is configured to include a lens (not shown) to diffuse the sunlight emitted through the other end surface of the optical fiber bundle 204 shown in Figure 3a to the room.

In addition, when the brightness detected by the illuminance sensor is lower than the preset brightness, the lighting unit 170 may control the solar array unit 130, the wind power generation unit 140, and the small hydro power generation unit 150 under the control of the controller 190. Electrical energy generated in the) or the electrical energy charged in the battery unit 180 is output as the illumination. The lighting unit 170 includes a light bulb or an LED that converts electrical energy into light.

The wind power generation unit 140 converts rotational energy of a rotor (not shown) driven by wind into electrical energy. Here, the rotor is small, it is installed at a position of 10m or more above the ground can take full advantage of the power generation effect.

The hydropower generator 150 converts potential energy of water into electrical energy. The small hydro power generation unit 150 is configured by installing a turbine in a vertical water supply line coming out of a water tank on a roof of a building. Here, a small Kaplan aberration or a Francis aberration is used as the turbine of the hydro power generating unit 150.

The battery unit 180 is charged with electrical energy generated by the solar array unit 130, the wind power generation unit 140, and the small hydro power generation unit 150. In addition, the charged electrical energy is supplied to the lighting unit 170 under the control of the controller 190.

The selector 160 includes an input switch 163a, 164a, and 165a for selecting electrical energy generated by the solar array unit 130, the wind power generation unit 140, and the small hydro power generation unit 150. It includes AC / DC (164b, 165b) for converting the alternating current (AC) generated by the power generation unit 140 and the hydrophobic power generation unit 150 to a direct current. In addition, Buck / Boost (163c, 164c, 165c) which operates primarily to maintain a constant voltage through the step-up and step-down of the direct current electrical energy of each of the power generation unit (130, 140, 150), each Buck / Boost (163c, 164c, 165c) An output switch for selecting whether to charge the battery unit 180 with the regulator 167 for stabilizing the DC electrical energy output from the secondary and the DC electrical energy output from the regulator 167 or the lighting unit 170 ( 168).

The controller 190 monitors and controls the operations of the units 110, 120, 130, 140, 150, 160, 170, and 180 included in the lighting system to output light of a constant illuminance through the lighting unit 170.

The controller 190 controls the lighting unit 170 to lower the illuminance when the intensity of the solar light output from the solar light concentrator 110 is greater than the preset intensity, and when the intensity is equal to the preset intensity, outputs the light unit as it is. 170). In this case, the controller 190 monitors the power generation state of the solar array unit 130, the wind power generation unit 140, and the small hydro power generation unit 150, and monitors the charging state of the battery unit 180. When 180 is discharged or is in a low charging state, the selector 160 is controlled such that the electric energy generated by each of the power generation units 130, 140, and 150 is charged in the battery unit 180.

On the contrary, when the intensity of sunlight output from the solar light concentrator 110 is smaller than the preset intensity, the controller 190 includes the solar array unit 130, the wind power generator 140, and the hydropower generator 150. Controls so that the electrical energy generated in or the electrical energy charged in the battery unit 180 is provided to the lighting unit 170. At this time, the control unit 190 monitors the power generation state of the solar array unit 130, the wind power generation unit 140, and the small hydro power generation unit 150, the selection unit so that the generated electrical energy is supplied to the lighting unit 170. Control 160. Here, if electrical energy is not generated in the solar array unit 130, the wind power generation unit 140, and the small hydro power generation unit 150, the control unit 190 is the electrical energy charged in the battery unit 180. Is controlled to be supplied to the lighting unit 170.

With the above configuration, it is possible to output a constant intensity of illumination even on a cloudy day or at night without sunlight.

Meanwhile, referring to FIGS. 3A and 3B, the solar light collecting module 110a (200 of FIG. 3A) includes a concave mirror 201, an optical sensor unit 203, an optical fiber bundle 204, and a holder 205. do.

The concave mirror 201 is installed to face the sun and reflects the sunlight so that the sunlight is focused to the focus. That is, the concave mirror 201 reflects sunlight and collects sunlight toward the holder 205 where the bundle of optical fibers 204 is bundled, as shown in FIG. 3A.

The optical sensor unit 203 is configured such that four cylindrical members are provided in a square shape on a surface of the concave mirror 201 facing the sun. That is, as shown in FIG. 4A, the optical sensor unit 203 is provided with a cylindrical member fixed to the concave mirror 201 such that the lengths of the 'A' side and the 'B' side are the same. Here, the optical sensor unit 203 installed in a square shape is installed such that the holder 205 described later is positioned above the vertical at a point where two diagonals of the square meet.

As illustrated in FIG. 4B, each cylindrical member is empty inside, and an optical sensor 203a is installed therein. Here, the inner surface of each cylindrical member is coated in black so that sunlight can reach the optical sensor without the reflected sunlight. Alternatively, the interior of each cylindrical member may have an internal shape that can reach the optical sensor without the sunlight reflected.

The optical fiber bundle 204 is precisely processed so that one side cross section has the maximum transparency, and when the sunlight reflected from the concave mirror 201 is incident on one side cross section, the incident sunlight is directed to the other side cross section located in the lighting unit 170. To pass.

The holder 205 fixes the optical fiber bundle 204 and has a spiral groove formed on the outside thereof. The holder 205 is fixed to the frame by the spiral groove, and adjusted so that one end surface of the optical fiber bundle 204 can be positioned at the focal point where the sunlight is collected.

The controller 190 controls the main tracker 120 to drive the solar device unit 100 to track the sun. In other words, the controller 190 controls the main tracker 120 to track the sun according to the azimuth and altitude of the sun set for each preset date time.

In addition, the controller 190 analyzes the signal detected by the optical sensor unit 203 included in the solar light collecting unit 110 to control each precision tracker 210, each of the solar light collecting module (110a, 200 of FIG. 3A maintains perpendicular to the sun. That is, the control unit 190 is each of the solar light collecting module 110a (Fig. 3a) so that the amount of light detected from the light sensor 203a mounted inside the four cylindrical members constituting the light sensor unit 203 is equal. Control the precision tracker 210 mounted on the 200).

For this reason, the sun tracking error generated by the driving of the main tracker 120 is corrected. That is, the main tracker 120 is driven so that the photovoltaic unit 100 tracks the sun, but since the main tracker 120 is controlled using the pre-stored data, the main tracker 120 is controlled using the pre-stored data and the azimuth and altitude of the actual sun. There is an error. In addition, there is a slight error according to the position of each solar light collecting module (110a, 200 of Figure 3a). This sun tracking error can be corrected by controlling the precision tracker 210.

As a result, each of the solar light collecting modules 110a (200 in FIG. 3A) is always perpendicular to the sun, and the sunlight reflected by the concave mirror 201 is accurately concentrated on the holder 205. Therefore, the light collecting efficiency of each solar light collecting module 110a (200 of FIG. 3A) can be greatly improved by driving the precision tracker 210.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

It is therefore to be understood that the embodiments described above are illustrative and not restrictive in all respects and that the scope of the invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the meaning and scope of the invention, and from the equivalents thereof, be included within the scope of the present invention.

100: solar cell unit 110: solar light collecting unit
120: main tracker 130: solar array unit
140: wind power generation unit 150: small hydro power generation unit
160: selection unit 170: lighting unit
180: battery unit 190: control unit
110a, 200: solar light collecting module 130a: solar cell
201: concave mirror 203: light sensor
204: fiber optic cable 205: holder
210: precision tracker 203a: optical sensor

Claims (5)

A photovoltaic device unit which collects and outputs sunlight and converts sunlight into electrical energy;
A main tracker which moves the photovoltaic unit according to the altitude and azimuth of the sun set for each day, and drives the photovoltaic unit to track the sun;
A battery unit in which electrical energy generated by the solar device unit is charged;
An illumination unit which adjusts the intensity of sunlight collected by the solar device unit and outputs the light, and outputs electrical energy provided by the solar device unit and the battery unit as illumination;
A selection unit for stabilizing electrical energy generated by the photovoltaic unit and providing the battery unit or the lighting unit;
The photovoltaic unit controls the main tracker to track the sun, and according to the intensity of sunlight collected and output from the photovoltaic unit, electrical energy generated by the photovoltaic unit is one of the lighting unit and the battery unit. It includes; a control unit for controlling the selection unit to be provided to any one,
The solar device unit,
A concave mirror installed to face the sun and reflecting the sunlight to focus the sunlight at the focal point, and when the sunlight reflected from the concave mirror is incident on one side of the precision machined, a bundle of optical fibers to transmit the sunlight to the other side And a solar light collecting unit including a plurality of solar modules including an optical sensor unit configured to have four cylindrical members installed in a square shape on a surface of the concave mirror facing the sun;
A plurality of precision trackers installed under each of the plurality of photovoltaic modules to finely drive each of the plurality of photovoltaic modules to be perpendicular to the sun;
And a solar array unit installed at both sides of the plurality of solar light collecting units and arranged with a plurality of solar cells for converting sunlight into electrical energy.
The control unit,
The optical tracker is controlled so that the amount of solar light detected from the optical sensors installed in the four cylindrical members of the optical sensor unit is equal so that the plurality of solar light concentrating modules are vertically maintained toward the sun. A mirrored lighting system with precision solar light sensing technology with a renewable energy generation system. The method of claim 1,
The optical sensor unit,
An inner surface of each of the four cylindrical members is coated in black so that solar light reaches the optical sensor installed therein without reflection. Having a mirrored lighting system. The method of claim 1,
The control unit,
When the light condensing state of the solar light concentrating unit is monitored and the intensity of sunlight output from the solar light concentrating unit is smaller than a predetermined intensity, the electrical energy generated by the solar array unit is output to the lighting unit, and the solar When the intensity of the solar light output from the light condensing unit is greater than a predetermined intensity, the composite renewable energy generation system, characterized in that for controlling the selection unit so that the electrical energy generated in the solar array unit is charged in the battery unit A mirrored lighting system with one solar precision condensing sensing technology. The method of claim 1,
A wind turbine for converting rotational energy of the rotor driven by the wind into electrical energy;
It further comprises; a hydrophobic power generation unit for converting the potential energy of the water into electrical energy,
Wherein the selection unit comprises:
Equipped with a complex renewable energy generation system characterized in that to stabilize the electrical energy output from the solar array unit, the wind power generation unit and the hydrophobic power generation unit, whether to output to the battery unit or the lighting unit. Mirrored lighting system with solar precision condensing sensing technology. The method of claim 1,
The control unit,
When the intensity of sunlight output from the solar light collecting unit is smaller than a preset intensity and the intensity of electrical energy generated by the solar array unit is smaller than a preset intensity, the electric energy charged in the battery unit is in the lighting unit. And control the battery unit to be supplied, the illumination system with a mirror having a precision solar light condensing sensing technology having a complex renewable energy generation system.

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