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KR20130105129A - 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
KR20130105129A
KR20130105129A KR1020120027291A KR20120027291A KR20130105129A KR 20130105129 A KR20130105129 A KR 20130105129A KR 1020120027291 A KR1020120027291 A KR 1020120027291A KR 20120027291 A KR20120027291 A KR 20120027291A KR 20130105129 A KR20130105129 A KR 20130105129A
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KR
South Korea
Prior art keywords
solar cell
cell module
weight
module frame
snow
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KR1020120027291A
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Korean (ko)
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KR101337475B1 (en
Inventor
박기주
구윤서
Original Assignee
주식회사 케이디파워
박기주
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Application filed by 주식회사 케이디파워, 박기주 filed Critical 주식회사 케이디파워
Priority to KR1020120027291A priority Critical patent/KR101337475B1/en
Publication of KR20130105129A publication Critical patent/KR20130105129A/en
Application granted granted Critical
Publication of KR101337475B1 publication Critical patent/KR101337475B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10—Cleaning arrangements
    • H02S40/12—Means for removing snow
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • 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

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  • Photovoltaic Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

PURPOSE: A solar cell module structure including a snow removing unit and a method for controlling the snow removing unit are provided to prevent damage due to the breakdown of the solar cell module structure by preventing the solar cell module structure from being broken due to snow. CONSTITUTION: A solar cell module frame (100) mounts a solar cell module (110) which converts solar energy into electric energy. A support stand (200) supports the solar cell module frame. A snow removing unit (300) is installed on the solar cell module frame and removes snow from the solar cell module frame by supplying power to a hot wire member. The hot wire member is installed on the solar cell module frame and selectively generates heat.

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 having a snow removal unit according to an embodiment of the present invention is a solar cell module frame is mounted with a solar cell module for converting solar energy into electrical energy, and a support for supporting the solar cell module frame; It is installed at a predetermined position of the solar cell module frame is characterized in that it comprises a snow removal unit for removing the accumulated snow by supplying power to the heating member when the snow is accumulated in the solar cell module frame more than a predetermined weight.

In addition, the snow removing unit, the heating wire member is installed at a predetermined position of the solar cell module frame and the weight to detect the weight of snow that is installed at a predetermined position of the solar cell module frame and accumulated in the solar cell module frame. And a sensor, a power supply for supplying power to the heating element, and a control unit for controlling switching to supply power from the power supply to the heating element when the eye is detected by the weight sensor to a predetermined weight or more. do.

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.

In addition, the snow removal unit, characterized in that it further comprises a fixture for fixing the heating member to the solar cell module frame.

In addition, the heating member is characterized in that the solar cell module frame is provided in a zigzag type.

In addition, the fixture is fixed to the lower body integrally coupled to the upper surface of the solar cell module frame, characterized in that the heating wire member is fitted so that the upper portion to surround the outer peripheral surface of the heating member.

In addition, the controller is characterized in that for receiving the weight information periodically from the weight sensor.

Looking at the solar cell module structure having a snow removal unit according to an embodiment of the present invention from another aspect, the solar cell module frame is mounted with a solar cell module for converting solar energy into electrical energy; A heating wire member installed at a predetermined position and selectively generating heat, a weight sensor installed at a predetermined position of the solar cell module frame to detect a weight of snow accumulated in the solar cell module frame, and the heating wire member connected to the solar cell module frame. A fixture for fixed installation, a power supply unit for supplying power to the heating element, a season determination unit for determining whether the current season is winter by receiving date information and comparing with preset season information, and the season determination unit If it is determined that the winter season and the eye is detected by the weight sensor more than a predetermined weight, the power supply And a snow removal unit including a control unit for controlling switching to supply power to the hot wire member from the supply unit.

In the control method of the solar cell module structure snow removing unit according to an embodiment of the present invention, the step of receiving the weight information from the weight sensor from the weight sensor in the solar cell module frame equipped with a heating element, the control unit is provided from the weight sensor And determining whether the weight information is equal to or greater than the set weight, and switching the power supply so that power is supplied only when the weight information is equal to or greater than the set weight.

In addition, the controller is characterized in that for receiving the weight information periodically from the weight sensor.

When the control method of the solar cell module structure snow removing unit according to an embodiment of the present invention from another aspect, the step of determining whether the winter season compared to the input date and the date of the predetermined season, and the season is determined as winter Receiving weight information from a weight sensor in a solar cell module frame equipped with a heating member only in a control unit; determining whether the weight information provided from the weight sensor is greater than or equal to a set weight in the control unit; It is characterized in that it comprises the step of operating the heating member only if the information is more than 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 and receive power from the control unit only when snow is accumulated in the solar cell module frame. Since the hot wire member is not operated at an unnecessary time when it is supplied, there is an effect that it is operated 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 enlarged perspective view illustrating a portion A of the solar cell module structure shown in FIG. 1.
Figure 4 is a block diagram showing a snow removal unit of a solar cell module structure according to an embodiment of the present invention.
5 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 enlarged perspective view of part A of the solar cell module structure shown in FIG. 1, and FIG. 4 is a configuration diagram illustrating a snow removing unit of the solar cell module structure according to the embodiment of the present invention.

1 to 4, the solar cell module structure 10 having the snow removing 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 is installed at a predetermined position of the solar cell module frame 100, the eyes of the solar cell module 110 more than a predetermined weight When stacked as a snow removal unit 300 for removing the snow accumulated through the heating member 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.

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 is installed at a predetermined position of the solar cell module frame 100 and removes snow accumulated by supplying power to the heating member 310 when snow is accumulated at a predetermined weight or more.

The snow removing unit 300 is installed at a predetermined position of the solar cell module frame 100 and selectively heats the heating member 310 and the solar cell module frame 100 is installed at a predetermined position of the solar cell module frame 100 The weight sensor 320 for detecting the weight of the snow accumulated in the), the fixture 330 for fixing the heating member 310 to the solar cell module frame 100, and supplying power to the heating member 310 The power supply unit 340, the season determination unit 350 to determine whether the current season is winter compared to the preset season information by receiving the date information, and the season determination unit 350 is determined to be the winter season weight sensor When the eye is detected by the 320 or more than a predetermined weight is configured to include a control unit 360 for switching control to supply power to the heating member 310 from the power supply unit 340.

The hot wire member 310 is configured in a pipe shape in appearance and is selectively heated by a power supply installed and supplied at a predetermined position of the solar cell module frame 100. The hot wire member 310 is formed of the solar cell module frame 100. It may be fixedly supported by the fixture 330 installed on the upper surface.

Since the solar cell module 110 has a light receiving region, the heating member 310 may be provided in the form of a zigzag so that the heating member 310 is spaced at an appropriate interval so as not to harm the light receiving region.

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

Fixture 330 is fixedly coupled to the upper surface of the solar cell module frame 100 in the lower portion of the bracket shape, the upper portion of the heating wire member 310 is inserted through the coupling so as to surround the outer peripheral surface of the heating member 310 It may have a structure.

Predetermined positions of the solar cell module frame 100 are provided with a weight sensor 320 for detecting the weight of snow accumulated in the solar cell module frame 100. The weight sensor 320 may be installed at the center 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 supply to the heating member 310 when the control unit 360 is more than a predetermined weight, and if less than the predetermined weight to cut off the power supply unnecessary power consumption Prevent.

The season determination unit 350 determines which area of the date area of the season preset in the seasonal information storage unit is included in the seasonal information input unit (not shown), and determines the date received 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 is to be operated only when the snow removing unit 300 is determined in the winter season (December to February) by the season determination unit, season determination unit If it is determined in the spring (March-May), summer (June-August), autumn (September-November) at 350, 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.

The solar cell module structure 10 having a snow removing unit according to an embodiment of the present invention is integrated in the solar cell module frame 100 in a state where the heating member 310 is fitted to the fixture 330 in the summer when snow is not accumulated. It will be fixed and will not perform its function.

However, as snow falls during the winter season, when snow accumulates on the upper portion of the solar cell module frame 100 or more, a power is supplied to the heating member 310 through an external power supply unit 340 to remove the snow. Since the member 310 heats 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 member 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 member 310 is cut off so that the heating member 310 is no longer heated, and the heated The hot wire member 310 is cooled again by an external temperature as time passes and prevents the heating member 310 from being heated above a predetermined temperature.

The solar cell module structure 10 according to the embodiment of the present invention receives the weight information by mounting the weight sensor 320 in the upper center of the solar cell module frame 100 to control the operation of the heating member 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 controller 360 periodically receives the weight information from the weight sensor 320 and controls to turn off the switch 361 automatically when the snow accumulated in the solar cell module frame 100 to the low heating power member 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 heating member 310. .

Next, with reference to Figure 5 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 5 is a flow chart for explaining the operation of the snow removal unit according to an embodiment of the present invention.

First, when the user inputs the date information to determine whether the winter season compared to the date of the preset season, if it is determined that it is not the winter season, the power supplied to the heating member 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 member 310 is not operated.

In addition, the controller 360 determines whether the received weight information is greater than or equal to the set weight, and when 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 member 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 stacked again on the solar cell module frame 100, the control unit supplies power to the heating member 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 heating member 310 and at an unnecessary time. Since the heating member 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 200 ... Support
300 ... snow removal unit 310 ... heating element
320 ... Weight sensor 330 ...
340 ... Power supply unit 350 ... Season determination unit
360 ... control unit

Claims (11)

Solar cell module frame is equipped with a solar cell module for converting solar energy into electrical energy,
Support for supporting the solar cell module frame,
The solar cell module structure is installed at a predetermined position of the solar cell module frame, characterized in that it comprises a snow removing unit for removing snow accumulated by supplying power to the heating wire member when the snow is piled up to a predetermined weight or more. The method of claim 1,
The snow removing unit,
A heating member installed at a predetermined position of the solar cell module frame and selectively generating heat;
A weight sensor installed at a predetermined position of the solar cell module frame and detecting a weight of snow accumulated in the solar cell module frame;
A power supply unit for supplying power to the heating member;
And a control unit configured to control switching to supply power to the heating member from the power supply unit when the eye is detected by the weight sensor to a predetermined weight or more. 3. The method of claim 2,
The snow removing unit,
The solar cell module structure of claim 1, further comprising a season determination unit for determining whether the current season is winter by receiving date information and comparing the preset season information. 3. The method of claim 2,
The snow removing unit,
The solar cell module structure characterized in that it further comprises a fixture for fixing the heating member to the solar cell module frame. 3. The method of claim 2,
The heating element is a solar cell module structure, characterized in that provided in a zigzag type on the solar cell module frame. 5. The method of claim 4,
The fixture includes:
The lower part is integrally coupled to the upper surface of the solar cell module frame in the form of a bracket, the solar cell module structure characterized in that the upper part is inserted through the heating member so as to surround the outer peripheral surface of the heating member. 3. The method of claim 2,
The control unit is a solar cell module structure, characterized in that for periodically receiving weight information from the weight sensor. Solar cell module frame is equipped with a solar cell module for converting solar energy into electrical energy; And,
A heating element installed at a predetermined position of the solar cell module frame to selectively generate heat, a weight sensor configured to detect a weight of snow accumulated at the solar cell module frame at a predetermined position of the solar cell module frame, and the heating element A fixture for fixing the solar cell module frame, a power supply for supplying power to the heating element, and a season determination unit to determine whether the current season is winter compared to the preset season information by receiving the date information And a snow removing unit including a control unit configured to control switching of the power supply unit to supply power to the hot wire member when it is determined that the season is determined to be winter and when snow is detected by the weight sensor.
Solar cell module structure comprising a. Receiving weight information from a weight sensor from a weight sensor in a solar cell module frame equipped with a heating member;
Determining whether the weight information provided from the weight sensor is greater than or equal to a set weight in the controller;
And switching the power supply so that power is supplied only when the weight information is equal to or greater than a predetermined weight to operate the heating member. 10. The method of claim 9,
The control unit is a control method of a solar cell module structure snow removing unit, characterized in that for receiving the weight information periodically from the weight sensor. Determining whether the winter season is compared with the date entered and the date of the preset season;
Receiving the weight information from the weight sensor from the weight sensor in the solar cell module frame equipped with a heating member only when the season is determined to be winter,
Determining whether the weight information provided from the weight sensor is greater than or equal to a set weight in the controller;
And operating the heating member only when the weight information is equal to or greater than a set weight.
KR1020120027291A 2012-03-16 2012-03-16 Solar cell module structure havig snow removal unit and method for controlling the snow removal unit KR101337475B1 (en)

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KR1020120027291A KR101337475B1 (en) 2012-03-16 2012-03-16 Solar cell module structure havig snow removal unit and method for controlling the snow removal unit

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KR101957195B1 (en) * 2015-03-10 2019-03-12 엘에스산전 주식회사 A monitoring apparatus for photovoltaic device
KR101960728B1 (en) 2017-12-22 2019-03-21 (주)에이비엠 Apparatus of cooling and snow removal in building integrated photovoltaic module
KR102202709B1 (en) 2020-09-09 2021-01-13 주식회사 천운건설 Photovoltaic equipment
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JP3239035B2 (en) * 1995-03-07 2001-12-17 シャープ株式会社 Solar cell module with snow melting function and solar power generation system with snow melting function
JP3521993B2 (en) * 1995-03-20 2004-04-26 ミサワホーム株式会社 Roof with solar cells
KR20070004478A (en) * 2006-12-04 2007-01-09 권대웅 Solar cell include heating line and automatic controller
KR20100005291A (en) * 2008-07-07 2010-01-15 유흥수 The structure of photovoltaic module with the snow removing function

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