KR101337476B1 - Solar cell module structure havig snow removal unit and method for controlling the snow removal unit - Google Patents

Solar cell module structure havig snow removal unit and method for controlling the snow removal unit Download PDF

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Publication number
KR101337476B1
KR101337476B1 KR1020120031100A KR20120031100A KR101337476B1 KR 101337476 B1 KR101337476 B1 KR 101337476B1 KR 1020120031100 A KR1020120031100 A KR 1020120031100A KR 20120031100 A KR20120031100 A KR 20120031100A KR 101337476 B1 KR101337476 B1 KR 101337476B1
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South Korea
Prior art keywords
solar cell
cell module
weight
snow
season
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KR1020120031100A
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Korean (ko)
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KR20130109398A (en
Inventor
박기주
구윤서
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박기주
주식회사 케이디파워
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

One aspect of the present invention is to provide a solar cell module structure having a snow removal unit capable of preventing damage to the solar cell module structure due to snowfall, and a method of controlling the snow removal unit. According to the solar cell module structure, the solar cell module frame is mounted with at least one solar cell module for converting solar energy into electrical energy; and a support for supporting the solar cell module frame; And, eyes on the solar cell module frame And at least one snow removing unit for removing snow accumulated through a hot wire cable installed inside the solar cell module when the weight exceeds the predetermined weight.

Description

Solar cell module structure with snow removal unit and control method for snow removal unit {Solar cell module structure havig snow removal unit and method for controlling the snow removal unit}

The present invention relates to a solar cell module structure having a snow removing unit and a control method of the snow removing unit, and more particularly, to a solar cell module having a snow removing unit capable of preventing the solar cell module structure from being damaged due to heavy snow. The present invention relates to a control method of a structure and a snow removing unit.

In general, the solar cell module structure is made by converting solar energy into electrical energy using a solar cell module. The solar cell module structure is attracting attention as a solution that can proactively cope with the environmental problems and energy shortage due to fossil fuel depletion because it does not cause environmental pollution and can be supplied with unlimited solar light.

A typical solar cell module structure includes a solar cell module frame in which a solar cell module is integrated, a power controller for controlling electricity generated from a solar cell module, an inverter for storing electricity, and an inverter for converting direct current electricity into alternating current. And the like. The solar cell module structure is classified into a fixed type and a solar tracking type according to whether the solar cell module frame is fixed.

The fixed solar cell module structure is fixed at an angle at which the solar cell module frame receives the most sunlight. Therefore, it has the advantage of good durability and simple installation and maintenance with a simple structure.

The solar tracking solar cell module structure has a form of rotating the solar cell module frame to track the orientation and altitude of the sun moving from east to west from sunrise to sunset.

On the other hand, the fixed solar cell module structure and the solar tracking solar cell module structure is very difficult to remove the snow when the snow piles up on the solar module module frame, it takes a lot of time to remove the accumulated snow, especially continued If it snows, snow removal is almost impossible. In addition, there is a problem that if the snow keeps coming at night, the support does not support it and collapses.

One aspect of the present invention is to provide a solar cell module structure having a snow removal unit capable of preventing damage to the solar cell module structure due to heavy snow, and a control method of the snow removal unit.

Another aspect of the present invention is a solar cell module structure and a snow removing unit provided with a snow removing unit that prevents unnecessary power consumption by operating the snow removing unit only when snow is accumulated on the solar cell module frame and the snow removing unit does not operate when unnecessary. It is to provide a control method of.

Solar cell module structure according to an embodiment of the present invention, the solar cell module frame is mounted with at least one solar cell module for converting solar energy into electrical energy; and a support for supporting the solar cell module frame; And, And at least one snow removing unit for removing snow accumulated through a heating cable installed inside the solar cell module when snow is accumulated in the solar cell module frame by a predetermined weight or more.

In addition, the snow removal unit, the heating wire cable is installed inside the solar cell module to selectively generate heat; and, a weight sensor for detecting the weight of the snow is installed on the surface of the solar cell module frame stacked on the solar cell module frame; and, heating wire A power supply for supplying power to the cable; and a controller configured to control switching to supply power to the hot wire cable from the power supply when the eye senses more than a predetermined weight by the weight sensor.

The snow removing unit may further include a season determination unit configured to receive date information and determine whether the current season is in winter compared with preset season information.

The solar cell module may include a solar cell; an upper passivation layer for protecting the upper portion of the solar cell; and a transparent member positioned on the upper passivation layer. It is located between.

In addition, at least one of the upper protective film or the transparent member, characterized in that the groove is formed continuously to be coupled to the hot wire cable.

In addition, the hot wire cable is characterized in that it is formed in a zigzag type on the upper protective film or transparent member.

In addition, the solar cell module, a lower protective film for protecting the lower portion of the solar cell; and a lower sheet positioned below the lower protective film; and, housed in the transparent member, the solar cell, the upper protective film, the lower protective film, the lower sheet And a lower cover mounted to the solar cell module frame.

In addition, the control unit, characterized in that for receiving the weight information periodically from the weight sensor.

According to another aspect of the solar cell module structure according to the embodiment of the present invention, a solar cell for converting solar energy into electrical energy, an upper protective film for protecting the upper portion of the solar cell, and positioned on the upper protective film A solar cell module frame equipped with a solar cell module including a transparent member; and a heating cable installed between the upper protective film and the transparent member to selectively generate heat, and installed on the surface of the solar cell module frame to the solar cell module frame. A weight sensor that detects the weight of snow accumulated, and a season judging unit that determines whether the current season is winter by inputting date information and comparing it with preset season information, and the season judging unit determines whether it is winter, A snow removal unit including a control unit configured to control switching so that the heating wire cable is generated when it is detected to have a predetermined weight or more; And a control unit.

According to an exemplary embodiment of the present invention, a method of controlling a snow removal unit of a solar cell module structure includes mounting a solar cell module to a solar cell module frame by embedding a hot wire cable between a transparent member of the solar cell module and an upper protective layer. Receiving the weight information of the solar cell module frame in the control unit from the weight sensor installed on the surface of the battery module frame; And, Determining whether the weight information provided from the weight sensor is greater than or equal to the set weight; It is characterized in that it comprises a; step of switching so that power is supplied only when the set weight or more;

In addition, the controller is characterized in that to receive the weight information periodically from the weight sensor.

According to another aspect of the method of controlling a snow removal unit of a solar cell module structure according to an embodiment of the present invention, comparing the input date with a date of a predetermined season and determining whether or not it is a winter season; Receiving only the weight information from the weight sensor from the weight sensor in the solar cell module frame is mounted between the transparent member of the solar cell module and the upper protective film; And, the weight information provided from the weight sensor in the control unit is set Determining whether the weight is greater than or equal to; and further, operating the hot wire cable only when the weight information is greater than or equal to the set weight.

Therefore, the solar cell module structure provided with the snow removal unit and the control method of the snow removal unit according to the embodiment of the present invention has an effect that can remove the snow accumulated on the solar cell module structure optimally.

In addition, the solar cell module structure with a snow removal unit and a control method of the snow removal unit according to an embodiment of the present invention can prevent the collapse of the solar cell module structure by the accumulated snow, so It is effective in preventing damage.

In addition, according to an embodiment of the present invention, a solar cell module structure having a snow removing unit and a method of controlling the snow removing unit may receive power information periodically from a control unit and supply power to the heating cable only when snow is accumulated in the solar cell module frame. Since the hot wire cable is not operated at an unnecessary time when it is supplied, there is an effect of operating very efficiently.

1 is a perspective view showing a solar cell module structure provided with a snow removal unit according to an embodiment of the present invention.
FIG. 2 is an enlarged plan view illustrating a solar cell module frame of the solar cell module structure shown in FIG. 1.
3 is an exploded perspective view illustrating the solar cell module illustrated in FIG. 1.
4 is a cross-sectional view of the solar cell module illustrated in FIG. 3.
5 is a configuration diagram showing a snow removal unit of a solar cell module structure according to an embodiment of the present invention.
6 is a flow chart for explaining the operation of the snow removal unit according to an embodiment of the present invention.

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

1 is a perspective view showing a solar cell module structure having a snow removal unit according to an embodiment of the present invention, Figure 2 is a plan view showing an enlarged solar cell module frame of the solar cell module structure shown in Figure 1, Figure 3 1 is an exploded perspective view illustrating the solar cell module illustrated in FIG. 1, FIG. 4 is a cross-sectional view illustrating the solar cell module illustrated in FIG. 3, and FIG. 5 illustrates a snow removal unit of a solar cell module structure according to an exemplary embodiment of the present invention. It is a block diagram shown.

1 to 5, the solar cell module structure 10 having the snow removal unit according to the embodiment of the present invention is equipped with a solar cell module 110 for converting solar energy into electrical energy. The solar cell module frame 100, the support 200 for supporting the solar cell module frame 100, and installed in the solar cell module 110 when the snow piles up to a predetermined weight or more in the solar cell module frame 100 At least one snow removing unit 300 for removing snow accumulated through the heated wire cable 310 is provided.

The solar cell module 110 is arranged on the solar cell module frame 100 so as to be continuous in the vertical and horizontal to have a panel structure as a whole. For example, the solar cell module 110 may be arranged such that four on the solar cell module frame 100 are vertically and horizontally continuous.

The solar cell module frame 100 is plate-shaped to be seated on the upper end of the support 200 to mount the solar cell module 110. The solar cell module frame 100 may be mounted to the outside of the building (not shown) by the support 200 such that the solar cell module frame 100 is obliquely fixed.

The snow removing unit 300 removes snow accumulated through the hot wire cable 310 installed inside the solar cell module 110 when snow is accumulated in the solar cell module frame 100 by a predetermined weight or more.

The snow removing unit 300 is installed inside the solar cell module 100 and selectively heats the heating cable 310, and is installed on the surface of the solar cell module frame 100 is stacked on the solar cell module frame 100 The weight sensor 320 for detecting the weight of the snow, the power supply unit 340 for supplying power to the hot wire cable 310 and the date information is received and compared with the preset season information to determine whether the current season is winter When the season judging unit 350 and the season judging unit 350 determines the winter season and the eye is detected by the weight sensor 320 with a predetermined weight or more, the power supply unit 340 supplies power to the hot wire cable 310. It is configured to include a control unit 360 for switching control to supply.

The hot wire cable 310 is configured in the form of a pipe in appearance and is selectively generated by a power supplied by being installed at a predetermined position of the solar cell module frame 100. Such a hot wire cable 310 is formed inside the solar cell module 100. It is installed in landfill.

For example, the solar cell module 110 according to the embodiment of the present invention includes a solar cell 111, protective films 112 and 113 protecting the solar cell 111, and a light receiving surface of the solar cell 111. A transparent member 114 positioned above the passivation film on the side, a lower sheet 115 disposed below the passivation film on the opposite side of the light-receiving surface from which light is not incident, and a cover 116 for accommodating these components. It is configured to include.

The solar cell 111 converts the energy of sunlight into electrical energy to generate electrical energy using a P-type semiconductor and an N-type semiconductor.

The upper and lower protective layers 112 and 113 prevent corrosion of metal due to moisture penetration and protect the solar cell module from impact.

The upper and lower passivation layers 112 and 113 may be integrated with the solar cell during the lamination process in the upper and lower portions of the solar cell 111, respectively. The upper and lower passivation layers 112 and 113 may be made of a material such as ethylene vinyl acetate (EVA).

Here, the upper passivation layer 112 is provided with a groove 112A continuously formed in order to couple the hot wire cable 310 of the snow removing unit 300 according to the embodiment of the present invention. The groove 112A of the upper passivation layer 112 is formed in a zigzag type so that the hot wire cable 310 may be buried in close contact between the upper passivation layer 112 and the transparent member 114.

The transparent member 114 positioned on the upper passivation layer 112 is made of tempered glass having high transmittance and excellent breakage prevention function. At this time, the tempered glass may be a low iron tempered glass having a low iron content. The transparent member 114 may be embossed on the inner surface to increase the light scattering effect.

The cover 116 may be made of a material that does not cause corrosion and deformation due to an external environment, such as aluminum coated with an insulating material, and may have a structure that is easily drained, installed, and constructed.

On the other hand, in the figure is shown that the zigzag-type groove 112A for coupling the hot wire cable 310 is formed in the upper protective film 112, the zigzag type groove 112A is a hot wire cable 310 It is sufficient that the transparent member 114 and the upper passivation layer 112 are tightly coupled so that the zigzag groove 112A may be formed in the transparent member 114.

On the other hand, the heating wire cable 310 is to have a corrosion resistance because the external material is exposed to the external moisture, moisture and sunlight in order to satisfy the heat generated conditions when the power is supplied by the external power supply 340. In addition, the material inside the hot wire cable 310 may employ a carbon (CABON) hot wire excellent in light and excellent electrical and thermal conductivity.

The surface of the solar cell module frame 100 is provided with a weight sensor 320 for detecting the weight of the snow stacked on the solar cell module frame 100. The weight sensor 320 may be installed at the center of the surface of the solar cell module frame 100 to optimally detect the weight of the eye.

Receives the weight information provided from the weight sensor 320 to control the power to be supplied to the heating cable 310 when the control unit 360 is more than a predetermined weight, and, if less than the predetermined weight cut off the power supply to reduce unnecessary power consumption Prevent.

The season determination unit 350 determines which area of the date area of the season preset in the season information storage unit is input in real time by the seasonal information input unit (not shown), and determines the preset date in real time. Compared with the date of the winter season to determine whether the winter season.

That is, the season judging unit 350 receives the date information from the seasonal information input unit, and the season judging unit 350 winter season (December-February), spring (March-May), summer season (June-August), autumn It is determined whether or not the current season is winter season by comparing with the seasonal information set as September (November).

The solar cell module structure 10 provided with the snow removing unit according to the embodiment of the present invention allows the snow removing unit 300 to operate only when the season determining unit 350 determines the winter season (December to February). If the determination unit 350 determines the spring (March-May), the summer (June-August), the autumn (September-November), the snow removal unit is not operated.

The solar cell module structure 10 having the snow removing unit according to the embodiment of the present invention allows the control unit 360 to continuously receive the weight information from the weight sensor 320 periodically so that the snow accumulated in the solar cell module frame 100. If it melts or snow accumulates again, it controls to cut off or supply power.

Therefore, the solar cell module structure 10 having the snow removal unit according to the embodiment of the present invention will be able to see a greater effect when the change in winter weather is severe.

Next, the operation of the solar cell module structure having a snow removal unit according to an embodiment of the present invention.

In the solar cell module structure 10 having the snow removal unit according to the embodiment of the present invention, the solar cell module frame is installed in a state in which the hot wire cable 310 is buried in the solar cell module 110 during the summer season. 100 is integrally fixed and does not perform its function.

However, as snow falls during the winter, when a certain amount of snow accumulates on the upper portion of the solar cell module frame 100, power is supplied to the hot wire cable 310 through the power supply unit 340 to remove the snow, and the hot wire cable ( Since the 310 is heated while being energized, snow accumulated on the upper portion of the solar cell module 110 melts and flows down by the heat.

At this time, when the accumulated snow melts and flows down by the heat of the heating cable 310, the water flows down the surface of the solar cell module by the inclination angle of the solar cell module frame 100 and the front support 200 is positioned. Can be guided forward and then run down to the ground side.

Subsequently, when the snow accumulated on the upper part of the solar cell module frame 100 is melted, the power applied to the heating cable 310 is cut off so that the heating cable 310 is no longer heated, and the heat generated The hot wire cable 310 is cooled again by an external temperature over time to prevent the heating cable 310 is heated above a predetermined temperature.

Solar cell module structure 10 according to an embodiment of the present invention is equipped with a weight sensor 320 in the upper center of the solar cell module frame 100 receives the weight information to control the operation of the heating cable (310).

When the season determination unit 350 determines that the season is winter, the controller 360 receives weight information from the weight sensor 320 mounted on the upper center portion of the solar cell module frame 100.

The controller 360 determines whether the weight information received from the weight sensor 320 installed in the upper center portion of the solar cell module frame 100 is greater than or equal to the set weight, and if it is determined to be greater than or equal to the set weight, the controller 361 turns on the switch 361 to supply power. (On) and when it is determined to be less than the set weight, the switch 361 is turned off to cut off the power supply.

In addition, the control unit 360 periodically receives the weight information from the weight sensor 320, when the snow accumulated in the solar cell module frame 100 is controlled to automatically turn off the switch 361 by heating wire cable at low power When the operation of the 310 is controlled and snow is accumulated again on the solar cell module frame 100, the control unit 360 grasps the weight information provided by the weight sensor 320 to supply power to the hot wire cable 310. .

Next, with reference to Figure 6 will be described the operation sequence of the solar cell module structure provided with a snow removal unit according to an embodiment of the present invention. Figure 6 is a flow chart for explaining the operation of the snow removal unit according to an embodiment of the present invention.

As shown in FIG. 6, first, when a user inputs date information to determine whether the user is in winter compared to a date of a preset season, when it is determined that the user is not in winter, the power supplied to the heated cable 310 is cut off. (S100)

In addition, when the user inputs the date information and determines whether the winter season is compared with the date of the preset season, the controller 360 receives the weight information from the weight sensor 320 installed in the solar cell module frame 100. . (S200)

Next, the controller 360 determines whether the received weight information is greater than or equal to the set weight, and if it is determined to be less than or equal to the set weight, the controller 360 controls the switch 361 to cut off the power supply so that the heating cable 310 is not operated (S300).

In addition, the controller 360 determines whether the received weight information is greater than or equal to the set weight, and if it is determined to be greater than or equal to the set weight, the controller 360 controls the switch 361 to supply power to operate the heating cable 310. (S400)

In addition, the controller 360 receives the weight information from the weight sensor 320 installed in the solar cell module frame 100 at a predetermined time interval and discriminates the power supply when the snow accumulated in the solar cell module frame 100 melts. If the snow is accumulated again in the solar cell module frame 100, the control unit is controlled to supply power to the heating cable 310. (S500)

Therefore, the solar cell module structure 10 having the snow removal unit according to the embodiment of the present invention is supplied with power only when snow is accumulated on the solar cell module frame 100 to operate the hot wire cable 310 and at an unnecessary time. The hot wire cable 310 is not operated so that it can be operated very efficiently.

On the other hand, the solar cell module structure 10 is shown only that the fixed solar cell module structure 10, the solar cell module structure 10 with a snow removal unit according to an embodiment of the present invention is a solar tracking type Of course, it may include a solar cell module structure (not shown).

As described above, the solar cell module structure provided with a snow removal unit and a method of controlling the snow removal unit according to an embodiment of the present invention, the basic technical idea that the solar cell module structure can be optimally prevented from being damaged by heavy snow. It can be seen that. Therefore, many modifications may be made by those skilled in the art without departing from the scope and spirit of the present invention.

10 ... Solar Module Structure 100 ... Solar Module Frame
110 ... Solar Module 111 ... Solar Cell
112 Top shield 112 A ... Home
113 Bottom shield 114 Transparent member
115.Lower seat 116 ... Cover
200 ... support 300 ... snow removal unit
310 ... heated cable 320 ... weight sensor
340 ... Power supply unit 350 ... Season determination unit
360 ... control unit

Claims (12)

A solar cell module frame having at least one solar cell module configured to convert solar energy into electrical energy; and
Support for supporting the solar cell module frame; And,
And at least one snow removal unit for removing snow accumulated through a hot wire cable installed inside the solar cell module when snow is accumulated in the solar cell module frame by a predetermined weight or more.
A heating cable installed inside the solar cell module and selectively generating heat; and,
A weight sensor installed on a surface of the solar cell module frame and detecting a weight of snow accumulated on the solar cell module frame;
A power supply for supplying power to the hot wire cable;
A control unit for controlling switching to supply power to the hot wire cable from the power supply unit when snow is detected by the weight sensor to a predetermined weight or more;
The solar cell module structure comprising: a season determination unit for receiving the date information and comparing with the preset season information to determine whether the current season is winter season. delete delete The method of claim 1,
In the solar cell module,
Solar cell; And,
An upper protective film for protecting an upper portion of the solar cell; and
And a transparent member positioned on the upper passivation layer.
The hot wire cable is a solar cell module structure, characterized in that positioned between the upper protective film and the transparent member. 5. The method of claim 4,
At least one of the upper protective film or the transparent member,
The solar cell module structure, characterized in that the groove is formed continuously to be coupled to the hot wire cable. 5. The method of claim 4,
The hot wire cable is a solar cell module structure, characterized in that formed in a zigzag type on the upper protective film or the transparent member. delete The method of claim 1,
The control unit,
Solar cell module structure, characterized in that for receiving weight information periodically from the weight sensor. delete delete delete Comparing the input date with a date of a preset season to determine whether the winter season is completed;
Receiving weight information from the weight sensor from the weight sensor in the solar cell module frame equipped with a heating cable embedded between the transparent member and the upper protective film of the solar cell module only when the season is determined to be winter; And,
Determining whether the weight information provided from the weight sensor is greater than or equal to a set weight in the controller;
Operating the heating cable only when the weight information is equal to or greater than a set weight.
KR1020120031100A 2012-03-27 2012-03-27 Solar cell module structure havig snow removal unit and method for controlling the snow removal unit KR101337476B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160146046A (en) 2015-06-11 2016-12-21 (주)율진이엔지 A solar cell with snow-removing function

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Publication number Priority date Publication date Assignee Title
KR102066873B1 (en) * 2019-03-11 2020-01-16 주식회사 넥서스에너텍 Solar power system with snow melting function
KR102346191B1 (en) * 2019-11-29 2022-01-03 주식회사 현대쏠라텍 Sunlight generating module structure
KR102305561B1 (en) * 2020-11-30 2021-09-27 주식회사 마이렌 Solar power generation tracker connected to the LED display
KR102608836B1 (en) * 2023-02-24 2023-12-01 박기주 Solar power generation device preventing freezing by heating cable, and building-integrated solar power generation roof structure equipped with the same

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JPH08250756A (en) * 1995-03-07 1996-09-27 Sharp Corp Solar cell module with snow melting function and solar generating system with snow melting function
KR20070004478A (en) * 2006-12-04 2007-01-09 권대웅 Solar cell include heating line and automatic controller
KR101062486B1 (en) * 2010-08-02 2011-09-05 한국에너지기술연구원 Low degradation silicon thin film photovoltaics using heating element

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KR20070004478A (en) * 2006-12-04 2007-01-09 권대웅 Solar cell include heating line and automatic controller
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Publication number Priority date Publication date Assignee Title
KR20160146046A (en) 2015-06-11 2016-12-21 (주)율진이엔지 A solar cell with snow-removing function

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