KR20160131419A - Solar heat piezoelectric power generation system - Google Patents

Abstract

The present invention relates to a solar heat piezoelectric power generation system which can continuously generate power regardless of an external environment by using solar heat and mechanical energy generated by external vibration of wind. The solar heat piezoelectric power generation system comprises: a solar heat piezoelectric power generation apparatus composed of a solar heat collector and a piezoelectric power generation apparatus installed outside a building of a roof, a rooftop, and so on; a power storage apparatus electrically connected to the solar heat piezoelectric power generation apparatus, and storing energy generated by the solar heat piezoelectric power generation apparatus; and an external power source electrically connected to the power storage apparatus, and automatically supplying power when a solar heat piezoelectric power generation capacity is short.

Description

[0001] SOLAR HEAT PIEZOELECTRIC POWER GENERATION SYSTEM [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a solar-electric-pyroelectric power generation system, and more particularly, to a solar-electric-pyroelectric power generation system that can continuously generate electricity regardless of external environment by using mechanical energy generated by solar-

In recent years, interest in clean energy such as the solar power has increased to cope with the depletion of fossil resources and environmental pollution, and solar power generation using environmentally friendly natural energy generating an electromotive force using sunlight has received much attention.

Photovoltaic devices are made using solar cells that convert light energy into electrical energy, and solar cells generate electromotive force by a small number of carriers excited by solar light in a PN junction semiconductor.

The solar cell is made of a semiconductor material such as single crystal silicon, polycrystalline silicon, amorphous silicon, compound semiconductor, etc. Finally, a plurality of solar cells are mounted on a predetermined frame, .

These solar panels are used for large-scale power generation or for small-scale power generation for auxiliary power supply in houses and buildings. Recently, it has been widely used for power supply of street lamp, security lamp, guide lamp and the like.

However, such a conventional solar power generation apparatus has a problem that the use of solar energy is slightly different due to various environmental factors, but energy can not be generated on rainy or cloudy days where it is difficult to generate sunlight energy .

Particularly, in the case of a specific area environment, since the ratio of the clear weather is not so high, there is a problem that the efficiency of the photovoltaic power generation apparatus is inferior due to the lack of the actual production amount of solar energy in comparison with the high installation cost.

In addition, energy harvesting technology has been developed and applied to establish eco-friendly business sites due to environmental problems. However, energy harvesting technologies using solar, wind, It is difficult to achieve sustainable development. Therefore, it is necessary to develop continuous development technology that complements it.

Korean Registered Patent No. 10-0997774 (published on Dec. 1, 2010)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and its object is to maximize energy generation efficiency by simultaneously generating solar power and external power through a piezoelectric element.

Another object of the present invention is to provide a solar-type piezoelectric power generation system capable of adjusting the movement and height of a solar-electric-pyrotechnic device so that the power generation position can be changed according to external environmental conditions to maximize the heat collection efficiency.

According to an aspect of the present invention, there is provided a solar thermal electric power generation system using solar heat and a piezoelectric element, the solar electric thermal electric power generation system comprising: a solar thermal piezoelectric power generation device installed outside a building such as a roof and a roof; And an external power source that is electrically connected to the power storage device and automatically supplies power when the solar thermal power generation capacity is insufficient.

The solar thermal electric power generator includes a solar heat collecting plate for absorbing solar light and converting it into electrical energy, and a piezoelectric power generator installed at a lower portion of the solar heat collecting plate for converting mechanical energy of vibration generated by wind external force into electric energy can do.

The solar heat collecting plate is installed on the upper part of the piezoelectric power generating device and can be installed across a plurality of the piezoelectric power generating devices.

The power generation apparatus includes a power generation piston which is moved up and down by an external force of wind, an upper power generation piston casing installed on the power generation piston, a lower power generation piston casing provided below the power generation piston, First and second cantilevers installed respectively on the inner wall of the power generation piston casing, first and second piezoelectric elements provided between the inner wall of the upper and lower power generation piston casings and the first and second cantilevers, And a power generation piston support spring installed between the power generation piston and the power generation piston limit to support the power generation piston.

An air passage may be provided on a side of the upper and lower power generation piston casings so that air can be introduced / discharged into the upper and lower power generation piston casings when the power generation piston moves upward and downward by an external force.

The upper and lower power generation piston casings may be provided with a piston casing cover to seal the inside thereof.

In addition, the piston casing cover may be provided with a third piezoelectric element so as to generate electricity by an external force such as vibration coming into contact with the bottom of the solar collector plate and the floor of the building.

The power generation piston limit may be provided with a position adjusting member for adjusting the angle of the solar heat collecting plate by adjusting the height of the piezoelectric power generator.

At this time, the position adjusting member is connected to the power generation piston limit through guide grooves formed on the side portions of the upper and lower power generation piston casings, and can be moved upward and downward along the guide groove to adjust the position of the power generation piston limit.

A power generation spring may be installed on the outside of the piezoelectric power generation device while enclosing the upper and lower power generation piston casings.

According to another aspect of the present invention, there is provided a solar-electric-pyroelectric power generation system using solar heat and a piezoelectric element, including: a movable rail installed on a roof or a roof outside the building; And a solar-powered piezoelectric power generator with wheels.

The moving rail may be installed around the entire exterior of the building so as to maximize the heat collection efficiency.

Moving means may be installed in the building and the solar-electric-pyrophoric generator so that the solar-pyrophoric generator can be moved along the moving rail.

The moving means includes a fixed bar installed on an upper portion of the building, a rotating shaft installed on the fixed bar, a wire installed on the rotating shaft and the moving wheel, and a rotating shaft connected to the rotating shaft, A drive motor for moving the motor along the rail, and a controller connected to the drive motor to drive the drive motor.

The control unit may be connected to the drive motor by an electric wire so as to control the operation of the drive motor or remotely control the operation of the drive motor.

According to the solar-electric-pyroelectric power generation system of the present invention constructed as described above, since the solar-electric-pyrophoric power generation device provided with the solar heat collecting plate and the piezoelectric power generation device is installed outside the building, the mechanical energy generated by the external power such as solar heat and wind is not affected by the external environment It has the effect of generating energy continuously.

In addition, the present invention provides a solar-electric-pyrophoric power generation device that is movable outside the building, so that the power generation position can be changed according to external conditions, thereby maximizing energy collection efficiency and preventing damage caused by typhoons, Can be increased.

1 is a block diagram illustrating a solar-electric-pyrophoric power generation system according to the present invention.
2 is a front view showing a piezoelectric power generating apparatus of a solar thermal power generation system according to the present invention.
3 is an internal configuration diagram showing a piezoelectric power generating device according to the present invention.
4 is a front view showing an angle adjustment state of the piezoelectric power generator according to the present invention.
5 is a side view showing the angle adjusting structure of the piezoelectric power generator according to the present invention.
6 is a schematic view of a piezoelectric power generation system of a solar thermal electric power generation system according to the present invention.
FIG. 7 is an internal configuration diagram showing a piezoelectric power generation mode of a solar thermal piezoelectric power generation system according to the present invention.
FIG. 8 is a block diagram showing another example of a solar-electricity-pyroelectric power generation system according to the present invention.
FIG. 9 is an enlarged view showing moving means according to another example of the solar-electricity-pyroelectric power generation system according to the present invention.

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

2 is a front view showing a piezoelectric power generation apparatus of a solar thermal power generation system according to the present invention, and FIG. 3 is a cross-sectional view of a piezoelectric power generation apparatus according to the present invention. 4 is a front view showing an angle adjustment state of the piezoelectric power generator according to the present invention, FIG. 5 is a side view showing an angle adjusting structure of the piezoelectric power generator according to the present invention, and FIG. 6 is a cross- 7 is a block diagram of a piezoelectric solar power generation system according to the present invention. FIG. 8 is a schematic diagram of a solar thermal piezoelectric power generation system according to another embodiment of the present invention. FIG. 9 is an enlarged view showing a moving means according to another example of the solar-electricity-pyroelectric power generation system according to the present invention.

Example  One.

As shown in FIGS. 1 to 7, the solar-electric-pyrophoric power generation system according to the present invention includes a solar-pyroelectric power generation device 100, a power storage device 400, and an external power source 500.

The solar thermal electric power generator 100 is installed outside a building 10 such as a roof and a roof, and includes a solar heat collecting plate 200 and a piezoelectric power generator 300.

The solar heat collecting plate 200 is installed on the top of the piezoelectric power generator 300 to absorb solar light and convert it into electric energy.

In addition, the solar heat collecting plate 200 is installed over a plurality of piezoelectric power generators 300 installed left and right.

The piezoelectric power generation device 300 converts the mechanical energy of vibration generated through the piezoelectric element by external force such as wind into electric energy.

The piezoelectric power generation apparatus 300 includes a power generation piston 310, upper and lower power generation piston casings 320 and 321, and a power generation piston limit 330.

The power generation piston 310 is installed while connecting the upper and lower power generation piston casings 320 and 321 and moves up and down by an external force of wind to generate electric energy.

The upper power generation piston casing 320 is installed on the power generation piston 310.

The lower power generation piston casing 321 is installed below the power generation piston 310.

Air passages 322 are formed on the sides of the upper and lower power generation piston casings 320 and 321 so that air can be introduced and discharged.

That is, the air passage 322 serves as a passage for allowing air to flow into and out of the upper and lower power generation piston casings 320 and 321 when the power generation piston 310 is moved upward and downward by an external force.

The first cantilevers 340 and the second cantilevers 341 are installed on the inner wall surfaces of the upper power generation piston casing 320 and the lower power generation piston casing 321, respectively.

A first piezoelectric element 350 is installed between the inner wall of the upper power generation piston casing 320 and the first cantilevers 340.

In addition, a second piezoelectric element 351 is installed on the lower portion of the lower power generation piston casing 321, that is, on the lower portion of the second cantilever beam 341.

A piston casing cover 360 is installed outside the upper and lower power generation piston casings 320 and 321 to seal the inside of the upper and lower power generation piston casings 320 and 321.

A third piezoelectric element 352 is installed on the outer side of the piston casing cover 360 to generate electricity by an external force of wind vibration.

That is, the third piezoelectric element 352 is installed on the top and bottom of the piezoelectric power generator 300 and contacts the bottom of the solar collector plate 200 and the bottom of the building 10 to generate electricity when an external force of wind- Respectively.

The power generation piston limit 330 is installed on the inner wall surfaces of the upper power generation piston casing 320 and the lower power generation piston casing 321, respectively.

At this time, a power piston supporting spring 370 is installed between the power generation piston 310 and the power generation piston limit 330 so as to support the power generation piston 310.

The upper power generation piston casing 320 and the lower power generation piston casing 321 are provided with the first and second piezoelectric elements 350 and 351 and the first and second cantilevers 340 and 341 on the upper and lower portions of the power generation piston 310, Respectively.

The power generation piston limit 330 limits the range of movement of the power generation piston 310 and the fixation of the power generation piston support spring 370. By controlling the position of the power generation piston limit 330, It is possible to control the operation of the apparatus.

The power generation piston support spring 370 can maintain the position of the power generation piston 310 when an external force is not applied to the power generation piston 310.

A first cantilever 340 is installed on the inner wall surface of the upper power generation piston casing 320 and is disposed between the inner wall of the upper power generation piston casing 320 and the first cantilevers 340 When the first piezoelectric element 350 is positioned and the power generation piston 310 moves upward or downward due to an external force, the first cantilevers 340 move due to the air flow inside the upper power generation piston casing 320, 1 piezoelectric element 350 to generate electricity.

A second piezoelectric element 351 is attached to the upper and lower portions of the second cantilevered beam 341 in the lower power generation piston casing 321 to generate a second cantilever beam 341, the force is applied to the second piezoelectric element 351 to generate electricity.

The power generation piston limit 330 is provided with a position adjusting member 380 for adjusting the angle of the solar heat collecting plate 200 by adjusting the height of the piezoelectric power generator 300 so as to optimally collect sunlight.

The position regulating member 380 is connected to the power generation piston limit 330 through the guide groove 323 formed at the side of the upper power generation piston casing 320 and the lower power generation piston casing 321 to guide the guide groove 323 So that the position of the power generation piston limit 330 is adjusted.

A power generation spring 390 is installed on the outer side of the piezoelectric power generation apparatus 300 while surrounding the upper power generation piston casing 320 and the lower power generation piston casing 321.

That is, the power generating springs 390 support the piezoelectric power generator 300, and when the external force is applied to the piezoelectric power generator 300, the upward and downward momentum (vibration) can be increased.

The power storage device 400 is electrically connected to the solar-powered piezoelectric power generation device 100 to store energy generated from the solar-powered piezoelectric power generation device 100.

The energy stored in the power storage device 400 generated by the solar-powered piezoelectric power generation device 100 can be used as a power source for a lamp, and can be used as a power source for other products.

The external power source 500 is electrically connected to the power storage device 400 to automatically supply power from the outside when the solar thermal power generation capacity generated by the solar power piezoelectric power generation device 100 is insufficient.

Example  2.

As shown in FIGS. 8 to 9, the solar thermal electric power generation system according to another embodiment of the present invention includes a moving rail 600, a solar thermal electric power generation device 100, and a moving means 700.

The moving rail 600 is installed outside the building 10 such as a roof and a roof so that the solar-electric-pyroelectric power generator 100 can be moved.

It is preferable that the moving rail 600 is installed around the entire outside of the building 10 to maximize the heat collection efficiency of the solar thermal electric power generator 100.

A moving wheel 110 is installed below the solar electric power generator 100 so that the solar electric power generator 100 can be mounted on the movable rail 600 and moved along the moving rail 600.

The solar thermal electric power generator 100 includes a solar heat collecting plate 200 for absorbing sunlight and converting it into electrical energy, and an electric energy generator for generating mechanical energy of vibration generated by the external force of the wind, And a piezoelectric power generation device 300 for converting the output voltage of the piezoelectric transformer 300 into a voltage.

At this time, as shown in FIG. 4, the solar thermal electric power generator 100 can adjust the angle of the solar collector 200 so as to maximize the heat collecting efficiency.

The moving means 700 includes a fixed bar 710 installed on the building 10 and a rotary shaft 720 installed on the fixed bar 710. The moving means 700 is installed on the rotary shaft 720 and the moving wheel 110 And a driving motor (not shown) installed on the rotating shaft 720 to rotate the rotating shaft 720 so that the moving wheel 110 is moved along the moving rail 600 while the wire 730 is wound or unwound 740, and a controller 750 for driving the driving motor 740.

The driving motor 740 may be a constant-voltage motor so that the solar-electric-pyroelectric power generator 100 can be moved up and down and left and right outside the building 10.

That is, the drive motor 740 is driven according to the signal of the controller 750 and the rotation shaft 720 is rotated by driving the drive motor 740 and the rotation shaft 720 is rotated, so that the wire 730 is wound or unwound As the moving wheel 110 moves along the moving rail 600, the position of the solar electric power generator 100 can be changed.

Meanwhile, the controller 750 may be connected to the drive motor 740 by an electric wire to control the operation of the drive motor 740 or to control the operation of the drive motor 740 remotely.

The operation of the solar-electric-pyroelectric power generation system according to the present invention having the above-described structure will be described below.

The solar thermal electric power generator 100 having the solar heat collecting plate 200 and the piezoelectric power generating device 300 installed outside the building 10 can generate electricity by the sunlight by the solar heat collecting plate 200, The generator 300 can generate electric power and generate electric power by the vibration generated by the external force of wind or the like.

In this manner, solar power generation and power generation by the external force through the piezoelectric element can be achieved simultaneously through the solar-electric-pyroelectric power generation device 100.

Further, according to the present invention, by installing the solar heat collecting plate 200 and the piezoelectric power generator 300, mechanical energy generated by external vibrations such as solar heat and wind can be used to continuously generate energy .

6 to 7, when an external force is applied to the piezoelectric power generation device 300, the power generation spring 390 and the upper and lower power generation piston casings 320 and 321 move upward and downward, (350, 351, and 352) to generate electricity.

In addition, the present invention is characterized in that, while the movable rail 600 is installed outside the building 10, the solar thermal electric power generator 100 is moved up and down along the movable rail 600 by the operation of the moving means 700, And it is possible to adjust the height of the piezoelectric power generator 300 so that the power generation position can be changed according to the external conditions to increase the energy collection efficiency.

As described above, the present invention is not limited to the above-described specific preferred embodiments, and any person skilled in the art can make various modifications without departing from the gist of the present invention. It is to be understood that such changes and modifications are intended to fall within the scope of the appended claims.

10: Building 20: Light fixture
100: solar thermal electric power generator 110: moving wheel
200: solar collector plate 300: piezoelectric power generator
310: power generation piston 320: upper power generation piston casing
321: Lower power generation piston casing 322: Air passage
323: Guide groove 330: Power generation piston limit
340: first cantilever 341: second cantilever
350: first piezoelectric element 351: second piezoelectric element
352: Third piezoelectric element 360: Piston casing cover
370: power generating piston supporting spring 380: position adjusting member
390: Power generation spring 400: Power storage device
500: external power source 600: moving rail
700: moving means 710: fixed bar
720: rotating shaft 730: wire
740: drive motor 750: control unit

Claims (14)

A solar photovoltaic generator installed on the roof and outside the roof of the building using solar and piezoelectric elements;
A power storage device electrically connected to the solar < RTI ID = 0.0 > pyroelectric < / RTI > And
An external power supply which is electrically connected to the power storage device and automatically supplies power when the capacity of the solar thermal power generation capacity is insufficient;
And a solar battery. The method according to claim 1,
The solar-electric-pyroelectric-
A solar heat collecting plate for absorbing sunlight and converting it into electrical energy; And
A piezoelectric power generator installed at a lower portion of the solar heat collecting plate for converting mechanical energy of vibration generated by an external force of wind into electrical energy;
And a solar battery. 3. The method of claim 2,
Wherein the solar heat collecting plate is installed on an upper portion of the piezoelectric power generating device and is installed across a plurality of piezoelectric power generating devices. The method of claim 2,
The piezoelectric power generation device includes:
A power generation piston which is moved upward and downward by an external force of wind;
An upper power generation piston casing installed on the power generation piston;
A lower power generation piston casing installed below the power generation piston;
First and second cantilevers respectively installed on inner walls of the upper and lower power generation piston casings;
First and second piezoelectric elements provided between the inner wall of the upper and lower power generation piston casings and the first and second cantilevers;
A power generation piston limit provided on an inner wall surface of the upper and lower power generation piston casings; And
A power generating piston supporting spring installed between the power generation piston and the power generation piston limit to support the power generation piston;
And a solar battery. 5. The method of claim 4,
And an air passage is provided at the side of the upper and lower power generation piston casings to allow air to flow into and out of the upper and lower power generation piston casings when the power generation piston moves upward and downward by an external force. . 5. The method of claim 4,
Wherein the upper and lower power generation piston casings are provided with a piston casing cover to seal the inside of the upper and lower power generation piston casings. The method according to claim 6,
Wherein the piston casing cover is provided with a third piezoelectric element which is in contact with the bottom of the solar collector plate and the bottom of the building so that an external force of vibration acts to generate electricity. 5. The method of claim 4,
Wherein the power generation piston limit includes a position adjusting member for adjusting the angle of the solar heat collecting plate by adjusting the height of the piezoelectric power generating device. 9. The method of claim 8,
Wherein the position regulating member is connected to the power generator limit via a guide groove formed in a side portion of the upper and lower power generation piston casings and moves up and down along the guide groove to regulate the position of the power generation piston limit. system. 5. The method of claim 4,
And a power generation spring is installed on the outside of the piezoelectric power generation device while enclosing the upper and lower power generation piston casings. A movable rail installed on the roof and outside the building on the roof;
A solar photovoltaic generator installed on the movable rail and provided with a moving wheel for moving along the movable rail; And
A moving means connected to the building and the moving wheel so that the solar-powered piezoelectric power generation device can be moved along the moving rail;
And a solar battery. 12. The method of claim 11,
Wherein the moving rail is installed around the entire exterior of the building so as to maximize the heat collecting efficiency of the solar-powered piezoelectric power generating device. 12. The method of claim 11,
Wherein,
A fixing bar installed on the upper portion of the building;
A rotating shaft installed on the fixed bar;
A wire installed on the rotating shaft and the moving wheel;
A driving motor connected to the rotating shaft to rotate the rotating shaft so that the moving wheel is moved along the moving rail while the wire is wound or unwound; And
A controller connected to the driving motor to drive the driving motor;
And a solar battery. 14. The method of claim 13,
Wherein the control unit is connected to the drive motor by an electric wire to control the operation of the drive motor or remotely control operation of the drive motor.

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