KR101126339B1 - Pollution preventing structure for solar cell - Google Patents

Abstract

PURPOSE: A structure for preventing a solar cell from being contaminated is provided to prevent a surface of a solar cell panel from being contaminated by preventing external moisture from being inputted between generation panels. CONSTITUTION: A support plate(110) is horizontally installed on an upper side of a pole(10). An optical sensor(120) is installed in the support plate and measures external illuminance. A plurality of generation panels(130) are arranged along an edge of the support plate. A rechargeable battery stores power outputted from a solar cell. A light emitting unit(160) emits light by receiving power form the rechargeable battery.

Description

Pollution Preventing Structure for Solar Cell

The present invention relates to a solar cell anti-pollution structure, and more particularly, to a solar cell anti-pollution structure that prevents water from penetrating into the interior while being expanded or folded and folded according to ambient illumination. It is about.

Solar cells are devices that convert light energy of solar rays irradiated during the day into electrical energy and output them, and their usage is rapidly increasing due to the convenience of obtaining electricity wherever sunlight shines.

A solar cell applied to a street lamp will be described.

The street lamp uses the commercial power produced by the power plant as a power source. The lamp is illuminated by the operation by timers, central control, and sensors. Since street lamps consume a large amount of electricity, solar cells are installed in street lamps so that they can be charged with solar power during the day and can be charged using the charged power at night.

The solar cell generating power from the solar street light is installed in the outdoors, the dust is accumulated on the surface of the solar cell or polluted by rain water, the power generation efficiency is lowered, there is a problem that can not supply enough lighting at night.

As described above, the solar cell is basically configured to be installed outdoors for smooth incidence and efficiency of sunlight. Due to the outdoor installation of the solar cell, the surface of the solar cell is accumulated by dust or rainwater, and the power generation efficiency is lowered, which causes a problem in that the operation of the apparatus using the solar cell occurs.

In order to solve the above problems of the present invention, a solar cell pollution prevention structure that can prevent the surface of the solar cell that supplies power to the solar cell pollution prevention structure is contaminated by dust and rain water to reduce the power generation efficiency. It aims to provide.

In addition, it can be applied to various devices that use solar cells, such as solar street lamps or fancy supplies such as decorative flower pots, which prevent solar cell pollution from degrading the generation efficiency of solar cells and ensure smooth operation. The purpose is to provide a structure.

Solar cell contamination prevention structure provided by the present invention, the support plate; An optical sensor for measuring external illuminance; A plurality of power generation panels mounted on a front surface of the solar panel, a rear surface of which is formed of a light transmissive material, and one end of which is arranged to be folded or folded by a rotating shaft and arranged along an edge of the support plate; A motor connected to the rotation shaft of the power generation panel so that the power generation panel is unfolded or folded; A rechargeable battery for storing power output from the solar cell of the power generation panel; Light emitting means for emitting light by power supplied through the rechargeable battery; And a control unit for controlling the motor according to the illuminance measured by the optical sensor, wherein the plurality of power generation panels have a side end portion in close contact with each other when they are folded to contaminate moisture or dust that contaminates the surface of the solar cell. It can prevent.

The optical sensor may be installed at a center of the support plate by a support rod to be positioned at the top of the power generation panel when the power generation panel is folded.

A waterproof packing may be disposed along side ends of the plurality of power generating panels.

Grooves may be continuously formed along one end of the power generation panel, and protrusions inserted into the grooves may be continuously formed at the other end.

The light emitting means may be disposed between the rear surface of the power panel and the solar panel.

The controller may control the power generation panel to be folded by the motor when the illuminance measured by the optical sensor is less than or equal to a set value, and control to spread the power generation panel by the motor when the illumination value is greater than or equal to a set value.

The present invention as described above has the effect of preventing the surface of the solar cell that supplies power to the various devices is contaminated by dust and rain water to reduce the power generation efficiency.

In addition, the present invention is applied to a variety of devices that use solar cells, such as fancy streetlights such as solar streetlights or decorative flower pots that solar cells are used to prevent the degradation of the power generation efficiency of the solar cells to achieve a smooth operation.

1 is a perspective view showing a folded state of the solar cell pollution prevention structure according to an embodiment of the present invention.
FIG. 2 is a perspective view illustrating an unfolded state of the solar cell contamination prevention structure illustrated in FIG. 1.
3 is a block diagram showing the configuration of a solar cell pollution prevention structure according to an embodiment of the present invention.
4 is a flowchart illustrating a control method of a solar cell pollution prevention structure according to an embodiment of the present invention.

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

1 is a perspective view showing an unfolded state of the solar cell pollution prevention structure according to an embodiment of the present invention, Figure 2 is a perspective view showing an unfolded state of the solar cell pollution prevention structure shown in FIG. 3 is a block diagram showing the configuration of a solar cell pollution prevention structure according to an embodiment of the present invention.

First, the solar cell pollution prevention structure 100 charges the power generated from the solar panel installed in the power generation panel 130, which will be described later, using a light emitting means at night or during the day when the illuminance is lowered below a certain level. It is possible to illuminate the surroundings, the solar panel is unfolded during charging, and when the charging is not made, the solar panel is configured to be folded.

The solar cell pollution prevention structure 100 according to the present invention can be applied to a street light that is installed at both sides of a road through which vehicles or pedestrians pass. It can also be applied to fancy articles such as decorative flower pots.

When the solar cell pollution prevention structure 100 is applied to fancy items such as decorative flower pots, the solar cell pollution prevention structure 100 may be installed around the flower pots or be formed in a flower shape such as harmony. In addition, it can be applied in various forms to the device that the solar power generation according to the needs of the user.

 1 to 3, the solar cell contamination prevention structure 100 according to an embodiment of the present invention includes a support plate 110, an optical sensor 120, a plurality of power generation panels 130, a motor 140, It includes the light emitting means 160 and the control unit 170.

The supporting plate 110 is provided with the components described below. The supporting plate 110 is formed in a plate shape to facilitate installation of various components. The supporting plate 110 is horizontally installed on the upper end of the support 10 having a predetermined height.

Support plate 110 is formed in a variety of forms according to the user's needs, such as round or square.

Along the edge of the support plate 110, a plurality of power generating panel 130 is installed and arranged by the rotation axis. In the present embodiment, four power generation panels 130 are arranged, but the number of arrangements can be increased or decreased according to the needs of the user.

The front surface of the power generation panel 130 is formed in the form of a plate having a predetermined area, the solar panel 132 for performing photovoltaic power generation to convert the solar light into electricity is disposed, the rear is a light transmissive material It is formed into the desired shape. Here, the power output from the solar panel 132 is supplied to the light emitting means 160 to be described later through the rechargeable battery 150 to be described later.

The power generating panels 130 arranged on the supporting plate 110 are all formed in the same shape.

In the present embodiment, the rear surface of the power generating panel 130 is formed in a predetermined curved surface, and in a state in which the plurality of power generating panels 130 are all folded, they are formed in a bud shape as a whole, and the state in which the power generating panel 130 is unfolded is a flower. It may be formed in the form of blooming, but is not limited to this may be formed in various forms according to the needs of the user.

The power generation panel 130 is configured to be unfolded or folded based on the rotation axis by the motor 140 to be described later. Unfolding and folding operations of the plurality of power generation panels 130 are performed at the same time.

In a state where all of the power generation panels 130 are folded, it is preferable that a space does not occur between the power generation panel 130 and the power generation panel 130 so that external moisture or dust does not penetrate. To this end, the side ends of the power generating panel 130 may be formed in close contact with each other. In order to facilitate the close contact with the power generation panel 130, grooves are continuously formed along one end of the power generation panel 130, and protrusions inserted into the grooves along the other end of the power generation panel 130 are continuously Can be formed.

In addition, it is preferable that a waterproof packing is disposed along the side end of the power generation panel 130 to prevent the penetration of moisture or dust. The material of the waterproof seal may include silicone or rubber.

The rechargeable battery 150 for storing power generated by the power generation panel 130 is installed. The rechargeable battery 150 stores the power output from the solar panel 132 of the power generation panel 130, and discharges the stored power under the control of the controller 170, which will be described later, at night to emit light by the light emitting means 160, which will be described later. Make it work. Since the rechargeable battery 150 has a high load, the rechargeable battery 150 may be installed outside the solar cell pollution prevention structure 100, that is, on the ground. In the present embodiment, the rechargeable battery 150 includes a charging circuit for charging power and a discharge circuit for discharging the charged power. Here, since the charging circuit 150 and the charging circuit for charging the power to the rechargeable battery 150 and the discharge circuit for discharging the charged power are well known technologies, detailed description thereof will be omitted.

The rear surface of the power generation panel 130 is formed of a light transmissive material, so that the light emitted from the light emitting means 160 to be described later to facilitate the irradiation.

The power generation panel 130 is provided with light emitting means 160.

The light emitting means 160 emits light by the power supplied from the rechargeable battery 150. The light emitting means 160 is preferably installed in a direction toward the ground in a state in which the power generating panel 130 is all folded. When the solar cell pollution prevention structure 100 according to the present invention is applied to a street lamp, sodium may be used as the light emitting means to increase visibility in weather conditions such as fog.

In addition, when the solar cell pollution prevention structure 100 is applied to a fancy article such as a flower pot, an LED may be used as the light emitting means.

In the case where LED is used as the light emitting means 160, the light emitting operation may be performed by DC power supplied from the rechargeable battery 150 after being directly connected to the rechargeable battery 150. However, when sodium lamp is used as the light emitting means 160, A separate inverter circuit can be installed.

The light emitting unit 160 is preferably installed between the rear surface of the power generation panel 130 and the solar panel 132 to prevent contamination by foreign matter.

In this case, the rear surface of the power generation panel 130 is formed of a light transmissive material such as a transparent material such as translucent plastic or glass, acrylic, polycarbonate, etc., to facilitate illumination by the light emitted from the light emitting means 160. In the present invention, the light emitting means 160 is integrally installed on the power generating panel 130, but may be separately installed according to the needs of the user. When the light emitting means is provided separately from the power generating panel, the rear surface of the power generating panel may be formed of a non-transparent material.

The motor 140 may be connected to the rotation shaft of the power generation panel 130. The motor 140 operates under the control of the controller 170 to be described later so that the power generation panel 130 is expanded or folded. The drive shaft of the motor 140 may be directly connected to the rotation shaft of the power generation panel 130, or may be connected using a separate link.

An optical sensor 120 is installed at the center of the support plate 110. The optical sensor 120 measures a peripheral illumination and outputs a signal corresponding to the measured illumination and inputs it to the controller 170 to be described later. The optical sensor 120 is formed in a circular panel shape having a predetermined area, but may be formed in another shape.

In the state in which the plurality of power generation panels 130 are folded, the optical sensor 120 is positioned at the top center of the power generation panel 130. To this end, the optical sensor 120 is installed by a support rod 122 having a predetermined height. At this time, the length of the support rod 122 is formed higher than the height of the power generating panel 130 when the power generating panel 130 is folded.

 Therefore, the optical sensor 120 can always measure the illuminance around the street lamp 100 regardless of the state in which the power generation panel 130 is unfolded or folded. In addition, the optical sensor 120 positioned at the center of the upper end of the power generation panel 130 prevents rainwater from penetrating inward through the upper portion of the power generation panel 130 in rainy weather.

In addition, the optical sensor 120 is located in the center of the upper side of the power generating panel 130, it is possible to improve the overall aesthetics by forming a stamen shape of the flower in a state in which the power generating panel 130 is unfolded.

The controller 170 receives a signal output from the optical sensor 120, and outputs a motor control signal and a charge and discharge signal of a rechargeable battery according to the illuminance around the street lamp 100. That is, if the value measured by the optical sensor 120 is more than a predetermined value (for example, 100 lux or more), it is determined that solar power is possible, and the motor 140 is controlled to operate in the direction in which the power generation panel 130 is unfolded. Output the signal. Here, the illuminance which is an operation reference of the power generation panel 130 is preset by the user.

In addition, when the value measured by the optical sensor 120 is less than a predetermined value (for example, less than 100 lux), it is determined that solar power generation by the solar panel 132 is impossible, and the controller 170 generates power by the motor 140. The control signal is output to operate in the direction in which the panel 130 is folded.

The controller 170 controls the motor 140 according to the illuminance measured by the optical sensor 120, so that the power generation panel 130 is in a folded state at night as well as during rain or snow. That is, since the illumination around the street lamp 100 during the daytime when the sunlight shines is more than a set value (for example, 100 lux or more), solar power is possible, but even during the rainy day or during snowfall Since the sun is covered and the illumination around the street lamp 100 is less than or equal to the set value, the photovoltaic power generation is not performed, so the controller 170 controls the motor 140 so that the power generation panel 130 is folded.
In addition, the controller 170 controls the charging of the power output from the power generation panel 130 to the rechargeable battery 150 and the discharge from the rechargeable battery 150 to the light emitting means 160 according to the illuminance measured by the optical sensor 120. do.

When the power generation panel 130 is in a folded state during rain or snow, the surface of the solar panel 132 may be prevented from being contaminated by dust.

An operation of an embodiment of the present invention configured as described above will be described.

1 and 2, it can be seen that the solar cell contamination prevention structure 100 according to the present invention is applied to a solar street light installed on a support 10 having a predetermined height.

At the beginning of operation of the street lamp, the power generation panel 130 is folded as shown in FIG. 1.

4 is a flowchart illustrating a control method of a solar cell pollution prevention structure according to an embodiment of the present invention.

Referring to FIG. 4, first, the optical sensor 120 measures ambient illuminance (S100). The optical sensor 120 outputs a signal corresponding to the measured illuminance and inputs it to the controller 170.

The controller 170 determines whether the illuminance measured by the light sensor 120 is a level suitable for photovoltaic power generation or whether the light emitting means 160 needs to be turned on using the input illuminance signal (S110).

The controller 170 determines that the measured illuminance is equal to or greater than the set value (for example, 100 lux or more), and controls the motor to unfold the power generation panel 130 by determining that it is possible to convert sunlight into a power source in the solar cell. Output the signal.

The motor 140 receiving the motor control signal operates to unfold the power generation panel 130 as shown in FIG. 2 (S120). The operation in which the power generation panel 130 is unfolded is similar to the operation in which the flowers are in full bloom, thereby improving aesthetic effect.

The solar panel 132 on the front of the unfolded power generation panel 130 converts sunlight into power and outputs the power, and the output power is charged in the rechargeable battery 150 (S122). The power output from the solar panel 132 is 18.5V DC, and the rechargeable battery 150 may be a rechargeable battery having a rated voltage of 12V, but the specification may be changed according to a user's needs.

While the power is continuously output from the power generation panel 130, the optical sensor 120 continuously measures the ambient illuminance.

If the measured illuminance is less than the set value (for example, less than 100 lux), the controller 170 determines that the illuminance is less than the set value even when it is night or daytime, that is, the solar cell cannot convert sunlight into power. To output a motor control signal that causes the power generation panel 130 to be folded.

The motor 140 receiving the motor control signal operates to fold the power generation panel 130 as shown in FIG. 1 (S130).

As the power generation panel 130 is folded, the solar panel 132 in front of the power generation panel 130 is not exposed to the outside, thereby preventing contamination by dust or the like. In particular, even in rain or snow, the side of the power generation panel 130 is provided with a waterproof packing or grooves and protrusions formed to be coupled to each other to prevent external moisture from penetrating between the power generation panel 130 and the solar panel 132. Contamination of the surface is prevented.

When the power generation panel 130 is folded, the light emitting means 160 on the back of the power generation panel 130 is turned on to illuminate the surroundings (S132). Here, the control unit 170 further subdivids the surrounding illuminance determination unit to separately set the step of folding the power generation panel 130 and the step of turning on the light emitting means 160 after the power generation panel 130 is folded. If it is impossible to do so, but the lighting is not required, the light emitting means 160 may be prevented from emitting power by emitting light.

The present invention as described above can be prevented that the surface of the solar cell for supplying power to various devices is contaminated by dust and rain water to reduce the power generation efficiency.

In addition, the solar street light may be a typical use example to which the present invention is applied. In addition, the present invention can be applied to fancy articles such as decorative flower pots. In other words, by forming the power generation panel in the form of petals to form a flower in the daytime can be improved decorative effect. In addition, the present invention can be applied to a variety of devices using a solar cell to prevent the degradation of the power generation efficiency of the solar cell can be made smooth operation.

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

100: solar cell pollution prevention structure
110: support plate
120: light sensor
130: power generation panel
140: motor
150: rechargeable battery
160: light emitting means
170: control unit

Claims (6)

A support plate installed on the top of the support;
An optical sensor installed on the support plate to measure external illuminance;
A plurality of power generation panels mounted on a front surface of the solar panel, a rear surface of which is formed of a light transmissive material, and one end of which is arranged to be folded or folded by a rotating shaft and arranged along an edge of the support plate;
A motor connected to the rotation shaft of the power generation panel so that the power generation panel is unfolded or folded;
A rechargeable battery for storing power output from the solar cell of the power generation panel;
Light emitting means for emitting light by power supplied through the rechargeable battery; And
And a control unit controlling charging and discharging of the motor and the rechargeable battery according to the illuminance measured by the optical sensor.
The plurality of power generation panel is a solar cell pollution prevention structure that prevents the penetration of moisture or dust that comes in close contact with each other when the power generation panel is folded to contaminate the surface of the solar cell. The method of claim 1,
The optical sensor is installed in the center of the support plate by a support rod is a solar cell pollution prevention structure positioned on the top of the power generation panel when the power generation panel is folded. The method of claim 1,
Solar cell pollution prevention structure that the waterproof packing is disposed along the side ends of the plurality of power panels. The method of claim 1,
A solar cell contamination prevention structure in which grooves are continuously formed along one end of the power generation panel, and projections inserted into the grooves are continuously formed on the other end. The method of claim 1,
The light emitting means is a solar cell pollution prevention structure disposed between the back of the power panel and the solar panel. The method of claim 1,
The controller controls the power generation panel to be folded by the motor when the illuminance measured by the optical sensor is less than a set value.
The solar cell pollution prevention structure for controlling the power generation panel to be unfolded by the motor if the set value or more.

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