KR102250487B1 - Integral solar photovoltaic window system - Google Patents

Abstract

The present invention relates to an integral photovoltaic power generation panel window system and an operating method of the window system. A windows for photovoltaic panels is installed in a window frame of a building so as to be opened and closed to facilitate sky-lighting, and power is produced using photovoltaic power panels (solar cells) installed on a window for photovoltaic power panels, in which a wireless power transmission unit is applied so that the power is wirelessly transmitted from a transmitter to a receiver and leaded to a final inverter without a lot of built-in electrical cables therein, and thus, it is harmless to the human body and prevents from interfering with the opening and closing of windows for photovoltaic power panels, electricity is efficiently supplied, and a camera is mounted on one side of the window frame so that the outdoor view is enjoyed indoors through the camera even when the window for photovoltaic power panel is closed.

Description

Solar power panel integrated window system {INTEGRAL SOLAR PHOTOVOLTAIC WINDOW SYSTEM}

The present invention relates to a solar power generation panel integrated window system, more specifically, a solar power generation panel installed on a window frame for a solar power generation panel to be opened and closed, and installed on the windows and doors for the solar power generation panel ( Solar cell), but by applying a wireless power transmission unit, the power is transmitted wirelessly from the transmitter to the receiver without many electric cables inside, and it reaches the final inverter, so that it is harmless to the human body and the solar power generation panel Of course, electricity can be efficiently supplied without interfering with the opening and closing of dragon windows. The present invention relates to a solar panel integrated window system capable of enjoying an outdoor view indoors through the camera even when a camera is mounted on one side of the window frame and the windows for solar power panels are closed.

The importance of new and renewable energy is increasing day by day as a solution to the restriction on the emission of carbon dioxide due to global warming and the restriction on the energy use of energy-intensive buildings. In particular, as one of the national low-carbon green growth policies, the mandatory use of new and renewable energy by the government and local governments has already been legislated, and based on this, government buildings are installing and operating new and renewable energy.

Solar power generation (photovoltaics, PV), one of the new and renewable energy technologies, is a power generation method that generates electricity by converting sunlight into direct current electricity.

A photovoltaic power generation panel (solar cell) refers collectively to a device capable of converting solar energy into electrical energy.

Briefly looking at the principle of the solar power generation panel, when light is irradiated to a semiconductor junction region having a P-N junction surface, electrons and holes are generated to generate electromotive force.

The basic structure of a PV module is a string that connects solar cell cells in series and parallel, and EVA (Ethylene Vinyl Acetate) is attached to the front and rear to play a role as a cushioning material. After lamination in order, heat is applied in a vacuum state, and after the lamination process, the frame is attached to the side and the terminal box is connected to the rear to complete.

On the other hand, the BIPV system (Building. Integrated Photovoltaic system) is a building-integrated solar power generation system that uses solar cell modules as exterior materials or windows in addition to producing electricity from solar energy and supplying it to consumers.

Unlike the existing solar power generation system installed on a wide flat or roof, the building-integrated solar power system is characterized by being installed on the exterior walls and windows of a building.

Therefore, the solar cell is used as a building material, and it is also the advantage of BIPV that the electric energy produced from the solar cell can be directly supplied to the inside of the building and used.

However, in the conventional building-integrated photovoltaic power generation system, the solar cell is fixedly installed and the sunlight is blocked, making it difficult to light indoors, and because some of the light is extremely limited, sufficient light cannot be secured. There is a drawback that cannot be seen in.

In addition, the conventional building-integrated solar power generation system has a problem in that power loss occurs and electricity cannot be efficiently supplied.

Domestic registration number 10-1502719

The present invention secures sufficient light by installing windows for solar power panels on the window frame of a building so as to be able to open and close, and generates power using the solar power panels (solar cells) installed on the windows and doors for solar power panels. , By applying a wireless power transmission unit, power is transmitted wirelessly from the transmitter to the receiver without many electric cables inside and reaches the final inverter, which is harmless to the human body and does not interfere with the opening and closing of windows for solar power panels. Not only can it supply electricity efficiently, A camera is mounted on one side of the window frame to provide a solar panel integrated window system that allows you to enjoy the outdoor view indoors through the camera even when the windows for solar power panels are closed.

In order to achieve the above object, the solar power generation panel-integrated window system of the present invention is installed in a building, a plurality of window frames in which guide rails are formed in the longitudinal direction at the top and bottom; A plurality of photovoltaic panel-type windows installed to be movable along the guide rail so as to be opened and closed on the window frame, and including a photovoltaic panel for converting photovoltaic energy into electrical energy; And a wireless power transmission unit installed on the solar power panel-type window to transmit electricity (power) produced by the solar power generation panel. Includes.

In addition, the solar power generation panel-integrated window system of the present invention comprises a glass window installed to be movable along the guide rail to open and close the window frame; And a window screen installed to be movable along the guide rail to open and close the window frame. It further includes.

The wireless power transmission unit is installed at a location where a plurality of the photovoltaic panel-type windows correspond to each other, and the wireless power transmission unit is composed of a transmitter to transmit the power and a receiver to receive the power transmitted from the transmitter. Can be.

A flexible cable capable of bending the window frame along a curved surface is connected to the wireless power transmission unit so as not to interfere with the closing of the solar photovoltaic panel type window, and the flexible cable includes an electrical storage unit (ESS) and an inverter. Can be installed.

A DMPPT module may be installed on the photovoltaic panel type window to compensate for power reduction due to the shadow (shadow) of the photovoltaic panel.

In addition, the solar power generation panel-integrated window system of the present invention includes an opening/closing sensor installed on the window frame to detect the opening and closing of the solar panel type window and the glass window; An electric wheel installed under the solar panel type window and the glass window to automatically open and close the solar panel type window and the glass window based on a detection result of the opening/closing sensor; And a remote controller for receiving the open/closed state of the solar panel type window and the glass window from the opening/closing sensor, and automatically driving the electric wheel at a remote location.

In addition, the solar power generation panel-integrated window system of the present invention includes a camera installed on the window frame so that the outdoor view can be seen indoors even when the solar power generation panel type window is closed on the window frame; And a display unit for providing an image captured by the camera to a user residing indoors. It may further include.

The wireless power transmission unit may be formed of any one of a magnetic induction method, a magnetic resonance or resonance method, a laser light induction, or an electromagnetic wave wireless transmission method.

On the other hand, the operating method of the solar power panel-integrated window system of the present invention comprises the steps of detecting the opening and closing of the solar power panel-type window and the glass window by an open/close sensor installed on the window frame; Setting the opening and closing of the photovoltaic panel-type window and the glass window by a user according to a detection result of the opening/closing sensor; Converting solar energy into electric energy through the solar power generation panel of the solar power generation panel type window; Detecting and determining a reduction in power due to the shadow of the solar power generation panel; Compensating power by driving the DMPPT module when power reduction occurs as a result of the determination; And transmitting, by a wireless power transmission unit, electricity (power) produced by the photovoltaic panel. Includes.

Further, the operating method of the solar panel integrated window system of the present invention drives the camera installed on the window frame so that the outdoor view can be seen indoors even when the solar panel type window is closed on the window frame. , The display unit may provide the image captured by the camera to a user residing indoors.

As described above, the present invention is capable of lighting by installing a window for a solar power generation panel in a window frame of a building so that it can be opened and closed, and the solar power generation panel (solar cell) installed on the window for the solar power generation panel is used. It generates power by applying a wireless power transmission unit, but it is harmless to the human body and interferes with the opening and closing of windows for solar power panels by wirelessly transmitting power from the transmitter to the receiver without the need for many electric cables built into it and reaching the final inverter. Of course, it is possible to supply electricity efficiently without giving A camera is mounted on one side of the window frame so that the outdoor view can be enjoyed indoors through the camera even when the windows for solar power panels are closed.

1 is a combined perspective view showing a solar panel integrated window system according to an embodiment of the present invention
2 is an exploded perspective view of FIG. 1
Figure 3 is a front view of Figure 1
Figure 4 is a plan view of Figure 1
5 is a view showing a flexible cable and electrical storage device of the present invention
6 is a diagram showing a transmitting unit and a receiving unit of the present invention
7 is a view showing the installation of the DMPPT module of the present invention
Figure 8 is a front view showing a first modified example of the solar power panel integrated window system of the present invention
9 is a front view showing a second modified example of the solar panel integrated window system of the present invention
10 is a front view showing a third modified example of the solar panel integrated window system of the present invention
11 is a front view showing a solar power generation panel-integrated window system according to another embodiment of the present invention
12 is a flow chart showing a method of operating the solar power panel integrated window system of the present invention

Hereinafter, a solar power generation panel-integrated window system and a method of operating the window system according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, FIG. 1 is a combined perspective view showing a solar panel integrated window system according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, FIG. 3 is a front view of FIG. 1, and FIG. 4 is A plan view, FIG. 5 is a view showing a flexible cable and an electrical storage device of the present invention, FIG. 6 is a view showing a transmitter and a receiver of the present invention, and FIG. 7 is a view showing the installation of the DMPPT module of the present invention.

Referring to the drawings above, the solar power generation panel integrated window system according to the first embodiment of the present invention includes a plurality of window frames 110 in which a guide rail 111 is formed; A plurality of photovoltaic panel-type windows 120 having a photovoltaic panel 121; A wireless power transmission unit 130 for transmitting electricity (power) produced by the photovoltaic panel 121; Glass windows 140 for viewing that can be opened and closed on the window frame 110; And it includes a window screen 150.

To further explain, the window frame 110 may be installed in a building, for example, an apartment or office, and guide rails (moving rails) 111 are formed in the upper and lower portions in the longitudinal direction. The window frame 110 may be configured as a single structure as well as a multiple structure according to the temperature condition of the installation area, and preferably may be configured as a multiple structure.

The window frame 110 may be made of aluminum or the like, and is preferably installed in a south or southwest or southeast direction.

The photovoltaic panel-type window 120 is installed to be movable along the guide rail 111 in the window frame 110 and can be selectively opened and closed when necessary, and the solar power for converting solar energy into electric energy A photovoltaic panel (solar cell) 121 is provided. Since the photovoltaic panel 121 is a solar cell and corresponds to a publicly known technology, a detailed description thereof will be omitted.

This embodiment is a solar power generation panel-integrated window system that occupies most of 50% or more even in new and renewable energy, and is configured to be used in general homes, but when the solar power generation panel-type window 120 is closed or open, the solar power generation panel-type window 120 is closed or opened. Power is transmitted wirelessly through the transmission unit 131 and the reception unit 132 built in the interior of the photovoltaic panel type window 120 and at a specific location, and electricity is connected to the inverter 139 through a flexible cable 135. It can be sent efficiently.

In addition, the glass window 140 refers to a window used for viewing, and the window screen 150 refers to a screen to prevent the inflow of pests. The glass windows 140 and the window screen 150 may be installed to be movable along the guide rail 111 to open and close the window frame 110.

A locker 125 and a handle 127 may be installed on the solar panel-type window 120, the glass window 140, and the window screen 150.

In addition, the wireless power transfer unit 130 of the present embodiment is a technology capable of transmitting power without a wire, and according to the power reach distance, a magnetic induction method for a short distance, a magnetic resonance method for a medium distance, and a magnetic resonance method for a long distance. It can be classified in a micro manner. It is preferable to use a magnetic induction method for short distance.

The magnetic induction method uses the principle of electromagnetic induction in which a magnetic field is generated in the coil of the transmitter and electricity is induced to the coil of the receiver. The advantage of the electromagnetic induction method is that the power transmission efficiency is more than 90%, and it is harmless to the human body.

The wireless power transmission unit 130 may be installed on the solar power panel type window 120 to transmit electricity (power) produced by the solar power generation panel 121, and the wireless power transmission unit ( 130) is installed in a position corresponding to each other a plurality of photovoltaic panel-type windows 120.

The wireless power transmission unit 130 may include a transmission unit 131 that transmits power and a reception unit 132 that receives power transmitted from the transmission unit 131. The transmitting unit 131 and the receiving unit 132 may be formed of a coil.

For reference, in the present embodiment to which the wireless power transmission unit 130 is applied, the wireless power transmission power is 2.7 kw when generating 3 kw for home, and the wireless power transmission efficiency is 90% when applied to the windows of 1 million houses and apartments, which is about 2.7 Giga. Watt Hour power generation is possible.

A flexible cable 135 capable of bending the window frame 110 along a curved surface so as not to interfere with the closing of the solar power panel type window 120 is connected to the wireless power transmission unit 130, and a flexible cable In 135, an electrical storage unit (ESS) 137 and an inverter 139 may be installed.

In this embodiment, wireless power transmission technology is used in power transmission, as well as the flexible cable 135 is installed to be bent along the curved surface of the window frame 110, thereby interfering with the closing of the solar panel-type window 120. By not causing power loss, power can be delivered to the final inverter to increase the reliability of the product.

In addition, the solar power generation panel-integrated window system according to an embodiment of the present invention is the window frame 110 so that the outdoor view can be seen indoors even when the solar power panel-type window 120 is closed on the window frame 110. ), and a display unit 182 for providing an image captured by the camera 181 to a user residing indoors.

That is, when the outside view right is important, the camera 181 may be installed outside the window frame 110 or embedded so that it is not exposed, and the display unit 182, for example, a beam projector, in an appropriate place indoors, You can enjoy the outside view in real time using a display device, a head-up display, a smart TV, or a smart mobile phone.

In addition, a DMPPT module 134 may be installed on the solar power panel-type window 120 to compensate for power reduction due to shadows (shadows) of the solar power panel 121.

For reference, power generation using solar cells suffers losses from the power generation system due to problems such as a decrease in power production due to shading (shadow) and a decrease in production output due to inconsistent performance of the solar panel. It appears as a result of not being able to export it efficiently. In addition to these problems, DMPPT can be used to produce reliable output from various problems that may occur in the field, such as incongruity in power generation efficiency where clouds cover the solar cell, output decrease due to an increase in the temperature of the solar cell, and instability of the module due to wind. have. DMPPT (Distributed Maximum Power Point Tracking) is a distributed maximum power point tracking module that helps optimize the power harvesting of solar power generation systems.

FIG. 8 is a front view showing a first modified example of the solar panel integrated window system of the present invention, and FIG. 9 is a front view showing a second modified example of the solar panel integrated window system of the present invention, and FIG. 10 Is a front view showing a third modified example of the solar panel integrated window system of the present invention.

As shown in FIGS. 8 to 10, a photovoltaic panel-type window 120, a glass window 140 for viewing, and a screen 150, which are installed to be opened and closed on a plurality of window frames 110 The arrangement position and number can be variously changed.

On the other hand, Figure 11 is a front view showing a solar power generation panel integrated window system according to another embodiment of the present invention.

Referring to the drawing above, the solar power generation panel integrated window system according to another embodiment of the present invention is a system capable of automatically opening and closing the solar power panel type window 120 and the glass window 140, and detects the opening and closing. It further includes a sensor (S1), an electric wheel 160 and a remote controller 170.

The opening/closing sensor S1 may be installed on the window frame 110 to detect the opening and closing of the solar panel-type windows 120 and the glass windows 140.

The installation position of the opening/closing sensor S1 is not limited to the window frame 110 and may be changed according to design conditions. As the opening/closing sensor S1, a photosensor or a short-range sensor may be used.

The electric wheel 160 is based on the detection result of the open/close sensor (S1), in order to automatically open and close the solar panel type window 120 and the glass window 140, the solar panel type window 120 ) And may be installed in the lower part of the glass window 140. The electric wheel 160 of the present invention refers to a wheel operated by an electric motor (not shown).

The remote controller 170 receives the open/closed state of the solar panel type window 120 and the glass window 140 from the opening/closing sensor (S1), and automatically drives the electric wheel 160 at a remote location. It is composed. The remote controller 170 may drive and control the electric wheel 160 using a local area network.

On the other hand, Figure 12 is a flow chart showing a method of operating the solar power panel integrated window system of the present invention.

Referring to the above drawing, in the operating method of the solar panel integrated window system of the present invention, the opening/closing sensor (S1) installed on the window frame 110 is the solar panel type window 120 and the glass window 140 Detecting the opening and closing (S10); According to the detection result of the opening and closing sensor (S1), the user setting the opening and closing of the solar panel-type window 120 and the glass window 140 (S20); Converting solar energy into electric energy through the solar power generation panel 121 of the solar power generation panel-type window 120 (S30); Detecting and determining a reduction in power due to the shading of the photovoltaic panel 121 (S40); As a result of the determination, when power reduction occurs, the DMPPT module 134 is driven to compensate for power (S50); And a step (S60) of the wireless power transmission unit 130 transmitting electricity (power) produced by the photovoltaic panel 121.

That is, in the step (S10), the opening and closing sensor (S1) installed in the window frame 110 detects the opening and closing of the solar panel-type window 120 and the glass window 140.

In the step S20, the user sets the opening and closing of the solar panel-type window 120 and the glass window 140 according to the detection result of the opening/closing sensor S1.

In the step S30, solar energy is converted into electric energy through the solar power generation panel 121 of the solar power generation panel type window 120.

In the step S40, a reduction in power due to the shading of the photovoltaic panel 121 is sensed and determined. As a result of the determination, if the power reduction does not occur, the step (S30) is continued.

In the step S50, if power reduction occurs, the DMPPT module 134 is driven to compensate for power.

And in the step (S60), the wireless power transmission unit 130 transmits the electricity (power) produced by the photovoltaic panel 121. The electricity (electricity) transmission method can be divided into a magnetic induction method for a short distance, a magnetic resonance method for a medium distance, and a micro method for a long distance, depending on the distance to which the electric power is reached.

The operating principle of the magnetic induction method is that when power is generated from the solar panel 121 and a signal is emitted to the receiver through the transmitter, electromagnetic induction starts when the receiver coil is found and the receiver coil is sensed, and the electrons inside the transmitter coil ( Electricity) starts to flow around the coil. Electric power is transmitted to the receiver as electrons trapped in the receiving coil begin to flow around the coil due to the magnetic field by electromagnetic induction.

The power of a commercial electronic device may be turned on through the inverter 139, or electricity may be charged in the power storage device 137 together. The stored electricity may be supplied to an electricity consumer, for example, a power supply device, an air conditioner, a lighting device, etc. through the inverter 139.

Further, the operating method of the solar power panel integrated window system of the present invention is the window frame 110 so that the outdoor view can be seen indoors even when the solar power panel type window 120 is closed on the window frame 110. The camera 181 installed in 110) may be driven, and the image captured by the camera 181 may be provided to a user in which the display unit 182 resides indoors.

As described above, the present invention is capable of lighting by installing a window for a solar power generation panel in a window frame of a building so that it can be opened and closed, and the solar power generation panel (solar cell) installed on the window for the solar power generation panel is used. It generates power by applying a wireless power transmission unit, but by applying a wireless power transmission unit, it transmits power from the transmitter to the receiver without many electric cables inside, and by reaching the final inverter, it is harmless to the human body and interferes with the opening and closing of windows for solar power panels. Of course, it is possible to supply electricity efficiently without giving A camera is mounted on one side of the window frame so that the outdoor view can be enjoyed indoors through the camera even when the windows for solar power panels are closed.

It goes without saying that many other modifications and applications are also possible for those of ordinary skill in the art within the scope of the basic technical idea of the present invention.

110: window frame
111: guide rail
120: solar power panel type windows
121: solar power panel
130: wireless power transmission unit
131: transmitter
132: receiver
134: DMPPT module
135: flexible cable
137: electricity storage unit (ESS)
139: inverter
140: glass windows
150: window screen
160: electric wheel
170: remote controller
181: camera
182: display unit
S1: open/close detection sensor

Claims (10)

A plurality of window frames 110 installed in a building and having guide rails 111 formed at the top and bottom in the longitudinal direction; A plurality of photovoltaic power generation including a photovoltaic power generation panel 121 that is movably installed along the guide rail 111 to open and close the window frame 110 and converts photovoltaic energy into electrical energy Panel-type windows 120; A wireless power transmission unit 130 installed in the solar power panel type window 120 to transmit electricity (power) produced by the photovoltaic power generation panel 121; A glass window 140 installed to be movable along the guide rail 111 to open and close the window frame 110; And a window screen 150 installed to be movable along the guide rail 111 to open and close the window frame 110; Including,
The wireless power transmission unit 130 is installed in a position corresponding to each other, a plurality of the photovoltaic panel-type windows 120,
It is composed of a transmission unit 131 for transmitting the power, and a receiving unit 132 for receiving the power transmitted from the transmission unit 131,
A flexible cable 135 capable of bending the window frame 110 along a curved surface is connected to the wireless power transmission unit 130 so as not to interfere with the closing of the solar panel type window 120,
An electrical storage unit 137 and an inverter 139 are installed in the flexible cable 135,
A DMPPT module 134 is installed in the photovoltaic panel type window 120 to compensate for power reduction due to the shadow (shadow) of the photovoltaic panel 121,
An opening/closing sensor (S1) installed on the window frame 110 to detect the opening and closing of the solar panel-type window 120 and the glass window 140; Based on the detection result of the opening/closing sensor (S1), in order to automatically open and close the solar panel type window 120 and the glass window 140, the solar panel type window 120 and the Electric wheel 160 installed in the lower portion of the glass window 140; And a remote controller for receiving the open/closed state of the photovoltaic panel type window 120 and the glass window 140 from the opening/closing sensor S1, and automatically driving the electric wheel 160 at a remote location ( 170); It further includes,
A camera 181 installed on the window frame 110 so that the outdoor view can be seen indoors even when the photovoltaic panel-type window 120 is closed on the window frame 110; And a display unit 182 for providing an image captured by the camera 181 to a user residing indoors. It further includes,
A locker 125 and a handle 127 are installed on the solar panel type window 120, the glass window 140, and the window screen 150,
When the photovoltaic panel type window 120 is closed or open, power is wirelessly transmitted through the transmitting unit 131 and the receiving unit 132 built in the solar panel type window 120 And, the solar power generation panel integrated window system, characterized in that configured to supply electricity by connecting to the inverter (139) through the flexible cable (135).
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