WO2021235632A1 - Smart connection board for photovoltaic device - Google Patents

Smart connection board for photovoltaic device Download PDF

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Publication number
WO2021235632A1
WO2021235632A1 PCT/KR2020/016986 KR2020016986W WO2021235632A1 WO 2021235632 A1 WO2021235632 A1 WO 2021235632A1 KR 2020016986 W KR2020016986 W KR 2020016986W WO 2021235632 A1 WO2021235632 A1 WO 2021235632A1
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WO
WIPO (PCT)
Prior art keywords
connection panel
smart
heat sink
smart connection
power
Prior art date
Application number
PCT/KR2020/016986
Other languages
French (fr)
Korean (ko)
Inventor
김홍삼
Original Assignee
보타리에너지 주식회사
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Publication of WO2021235632A1 publication Critical patent/WO2021235632A1/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
    • H02S40/30—Electrical components
    • H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/54—Anti-seismic devices or installations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
    • 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
    • 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
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Definitions

  • the following embodiments relate to a smart junction panel for a solar power device.
  • Photovoltaic power generation devices have recently been installed in various forms and places at home and abroad. Since photovoltaic facilities such as photovoltaic power generation devices are outdoor facilities that are used for a long time, they can be operated stably and efficiently only when the facilities are maintained stably.
  • copper tube terminals and the bare direct conductors are connected to a terminal block or a fuse holder. This facilitates maintenance, and circuits are configured in series and parallel to flow out the used voltage, which can serve as a basis for producing large-capacity power.
  • connection panel A short circuit may occur inside the connection panel due to contact between terminals due to moisture and dew condensation. Therefore, there is a need for a means capable of ensuring the watertightness of the connection panel and suppressing a rapid increase in the internal temperature.
  • a weather sensor and various monitoring windows must be provided for the stable operation of the monitoring system of the junction panel.
  • a smart connection panel includes: a connection panel body including a waterproof and dustproof function, and at least one of a charger and discharger and a secondary battery; a metal bar for discharging heat inside the connection panel body to the outside; d.c. power cable glands and glands for power cables that provide threaded tightening and loosening functions; a stainless perforated pipe passing through the inside of the connection panel body; and a weather sensor for monitoring weather conditions and measuring temperature, and including a horizontal irradiometer and an inclined irradiometer.
  • a plurality of perforated heat dissipation opening holes are provided inside the perforated stainless pipe, and one side of the perforated stainless pipe vents heat generated inside the body of the junction panel to the outside
  • a natural blower performing a function is mounted, and an aluminum bar made of aluminum is provided in an octagonal concavo-convex shape inside the stainless perforated pipe, and the aluminum bar is fixed to the center of the aluminum bar, and a cross shape for providing a natural ventilation function An open hole may be penetrated.
  • the smart junction panel may further include a solar cell that supplies power to at least one of the charger/discharger and the secondary battery to provide an independent power source to the junction panel body.
  • connection panel main body may be provided with a voltammeter that provides a driving situation to the user through the instrument network see-through window on the outside.
  • connection panel body may be provided with the stainless steel perforated tube passing through the inside of the connection panel body after being welded at the ends of the left and right sides of the outer upper end.
  • connection board body may be provided in a form in which the upper heat sink and the lower heat sink are arranged in two rows with a fuse-type circuit breaker on the rear surface, and the watertightness is strengthened.
  • connection board body may be one in which the fuse-type circuit breaker, the upper heat sink, and the lower heat sink are combined and the rear surface is opened, so that comb-shaped heat sinks protrude.
  • connection panel body may include a solar radiation reduction awning for reducing direct light on upper surfaces of the upper heat sink and the lower heat sink.
  • Smart junction panel provides an anchor means for preventing the junction panel body from falling, and a cover and handle for maintenance that are detachably provided for entering and leaving at least one of a power line and a ground wire and for maintenance work may further include.
  • connection board main body is provided with a DC circuit breaker, and when it is determined that an abnormal situation has occurred based on a predetermined criterion, it may block the DC so that the DC is not leaked to the outside.
  • connection panel body may include a bracket for fixing an instrument for fixing the voltammeter and a hinge-type instrument installation fixture.
  • a smart connection panel for a solar power generation device capable of operating a stable monitoring system may be disclosed.
  • connection panel having waterproof, dustproof and heat dissipation functions.
  • a function of multiple collection of power generated by a solar cell and supplying the collected power to the inverter may be provided.
  • connection panel it is possible to prevent a short circuit that may occur while performing the function of the connection panel.
  • connection panel it is possible to provide a stable monitoring system by ensuring the watertightness of the connection panel and suppressing a rapid increase in the internal temperature.
  • 1A is a diagram illustrating a structure of a smart connection panel according to an embodiment.
  • 1B is a view showing a left side of a smart connection board according to an embodiment.
  • 1C is a diagram illustrating a right side of a smart connection board according to an embodiment.
  • 1D is a view showing a rear side of a smart connection panel according to an embodiment.
  • FIG. 2 is a view showing a weather sensor and a bracket supporting the same according to an embodiment.
  • 3A is an internal perspective view of a smart connection panel according to an embodiment.
  • Figure 3b is a view showing a waterproof cable gland leading out to the bottom of the smart connection panel according to an embodiment.
  • 3C is a diagram illustrating a bus-type terminal connected to a bus bar and a circuit breaker of a smart connection board according to an embodiment.
  • FIG. 4 is a view illustrating a solar cell disposed on an upper end of an enclosure of a connection board according to an embodiment.
  • 5A is a view showing a front view of a simple configuration of a smart connection board according to an embodiment.
  • 5B is a view showing the left side of the simple configuration of the smart connection board according to an embodiment.
  • Figure 5c is a view showing the right side of the simple configuration of the smart connection board according to an embodiment.
  • Figure 6a is a view showing the front of the stainless steel perforated pipe provided in the housing according to an embodiment.
  • Figure 6b is a view showing the left side of the stainless steel perforated tube provided in the housing according to an embodiment.
  • Figure 6c is a view showing the right side of the stainless steel perforated tube provided in the housing according to an embodiment.
  • FIG. 7A is a diagram according to one embodiment. This is an internal disassembled chassis diagram of a stainless steel perforated tube.
  • 7B is an exploded chassis view of an octagonal concave-convex aluminum bar according to an exemplary embodiment.
  • the smart connection panel for a photovoltaic device described in this specification may collect multiple power generated by a solar cell in the photovoltaic device and initiate a function of supplying the collected power to the inverter.
  • the smart junction panel for photovoltaic devices described herein may be a junction panel provided for stable operation of the monitoring system of the photovoltaic device.
  • the smart connection panel connects each of the external solar cell modules and the inverter, with the connection of the DC power array, the connection of the weather sensor for system operation, alarm, abnormality, or repair, and the connection of these signals. It is possible to secure a power source independent of the power consumed by the devices that convert it.
  • the smart connection panel may include a heat sink having excellent heat dissipation performance for dissipating the high temperature generated inside the connection panel.
  • the junction panel utilizes the natural ventilation function to maintain the junction panel in a temperature-reduced state at all times and provide excellent waterproofing.
  • FIGS. 1A to 1D are diagrams illustrating the structure of a smart connection board according to an embodiment.
  • FIG. 1A is a diagram showing the structure of a smart connection panel according to an embodiment
  • FIG. 1B is a view showing a left side of a smart connection panel according to an embodiment
  • FIG. 1C is a right side of a smart connection panel according to an embodiment
  • FIG. 1D may be a view showing a rear side of a smart connection board according to an embodiment.
  • Figure 2 is a view showing a weather sensor and a bracket supporting the same according to an embodiment
  • Figure 3a is an internal perspective view of the smart connection panel according to an embodiment.
  • Figure 3b is a view showing a waterproof cable gland leading out to the bottom of the smart junction panel according to an embodiment
  • Figure 3c is a smart junction panel. It is a drawing.
  • the smart connection panel includes a waterproof and dustproof function, and may include a connection panel body 100 including at least one of a charger/discharger and a secondary battery, and a metal bar for discharging heat inside the connection panel body 100 to the outside.
  • the metal bar may be, for example, an aluminum material, and may be the concave-convex octagonal aluminum bars 224 and 224' provided in the form of octagonal concavities and convexities.
  • the smart junction panel is also opened in a perforated form inside the upper surface of the junction panel body, including a DC power cable gland 225 and a power cable gland 226 that provide screw-type tightening and loosening functions, and a natural blower and weather sensor.
  • the weather sensor may include a horizontal insolation meter 706 and an inclined insolation meter 707 .
  • the smart junction panel supplies power to at least one of the charger/discharger 502 and the secondary battery 503 provided in the junction panel body 100 to provide independent power to the junction panel body solar cells 210 and 211.
  • the solar cells 210 and 211 may further include.
  • the solar cells 210 and 211 may include a first solar cell 210 and a second solar cell 211 .
  • the solar cells 210 and 211 of the forward and backward inclined shape may be disposed on the upper surface of the connection panel body 100 .
  • the solar cells 210 and 211 may independently secure the power required by the weather sensor provided in the main body of the connection panel by using a direct current fan (FAN).
  • FAN direct current fan
  • the smart junction panel provides an anchor means for preventing the junction panel main body 100 from falling, and maintenance covers 232 and 232 ′ that are detachably provided for entry and exit work and maintenance work of at least one of the power line and the ground wire. ) and handles 242 and 242'.
  • the handles 242 and 242' may have a 'c' shape.
  • connection panel main body 100 may be provided with a voltammeter 240 provided to the user through the instrument network viewing window 223 on the outside.
  • the instrument network viewing window 223 is made of a glass material or an acrylic material so that the user can check the voltammeter 240 from the front to check the driving condition at all times.
  • the junction panel body 100 may be provided with a multifunctional stainless steel perforated tube 227 penetrating the inside of the junction panel body 100 after being welded at the ends of the left and right sides of the external upper end.
  • a natural blower 705 , a horizontal insolation meter 706 , and an inclined insolation meter 707 may be mounted on portions exposed on the upper left and right sides of the stainless perforated tube 227 .
  • connection panel main body 100 may be provided in a form in which the upper heat sink 702 and the lower heat sink 703 are arranged in two rows of the fuse-type circuit breaker 504 and the exposed form on the rear side, and the watertightness is strengthened.
  • the connection panel body 100 may be one in which the fuse-type circuit breaker 504, the upper heat sink 702, and the lower heat sink 703 are combined and the rear surface is opened, so that the comb-shaped heat sinks 702 and 703 protrude.
  • the connection panel body 100 may include a solar radiation reduction awning 701 for reducing direct light by maintaining a constant interval on the uppermost surfaces of the upper heat sink 702 and the lower heat sink 703 .
  • connection panel body 100 At the ends of the external upper left and right sides of the connection panel body 100, the parts exposed to the outside are welded 101 and 102 for waterproofing, and a stainless perforated tube 227 penetrating inside the upper surface is opened in a perforated form.
  • Concave-convex octagonal aluminum bars 224 and 224' may be provided in a space in the inner diameter of the heat dissipation opening 241 in a form that is detachable to the ends of both ends.
  • the mounting portion may be provided with a tube with one side exposed, and a natural blower is mounted on the outer surface of the coupled structure of the connection panel body 100 through coupling, and the connection panel body 100 is the connection panel body 100 . (100) It is possible to perform a function of venting the high temperature generated inside to the outside.
  • the smart connection panel monitors the weather conditions for stable operation of the photovoltaic device, and is a means for measuring the temperature of the module, the horizontal insolation meter 706 as a weather sensor ) and an inclined insolation meter 707 can be mounted.
  • the horizontal insolation meter 706 and the inclined insolation meter 707 may measure at least one of a wind direction, wind speed, temperature, humidity, fine dust concentration, and insolation amount.
  • the connection board body 100 is a means for collecting heat and power generated by means for maintaining a higher level of waterproofing, and a decrease in conductivity due to contact resistance generated at the connection point of each part that transmits power. Due to this, heat may be generated in proportion to the amount of power. If the heat is not reduced quickly, the circuit breaker may operate or a fire may occur.
  • the concave-convex octagonal aluminum bars 224 and 224' made of aluminum with excellent heat dissipation performance capable of venting the high temperature waiting inside the connection panel body 100 to the outside are provided in the form of octagonal concavo-convex.
  • the uneven octagonal aluminum bars 224 and 224' may be provided to increase the ratio of the heat absorption area per unit area.
  • a cross-shaped opening 222 may be penetrated through the central portion of the body to provide a natural ventilation function.
  • the perforated heat dissipation opening holes 241 and 241 ′ are provided inside the stainless perforated tube 227 to increase the heat dissipation effect.
  • the cross-shaped opening hole 222 may fix the concave-convex octagonal aluminum bars 224 and 224', and may facilitate the extraction of the concave-convex octagonal aluminum bars 224 and 224'.
  • the cross-shaped opening 222 may contribute to the mounting of an external functional sensor.
  • a natural blower 705 capable of inducing natural airflow. can be mounted, the smart connection panel can increase heat dissipation through the natural blower 705 .
  • the stainless perforated pipe 227 may be welded 101 and 102 to the inner and outer partition walls so that the inside and the outside of the connection panel body 100 are provided in the form of a partition wall.
  • the welded stainless steel perforated pipe 227 can improve watertightness and achieve the effect of maintaining mechanical strength.
  • one to three fuse-type circuit breakers 504 of a DC power receiving unit having a relatively high temperature rise frequency among devices provided inside the connection panel main body 100 may be arranged at regular intervals.
  • the connection panel body 100 is a means for rapidly discharging high temperature to the outside, and the body of the fuse-type circuit breaker 504 and the heat sinks 702 and 703 are coupled to the rear side, and the comb-shaped heat sinks are opened in all directions.
  • 702 and 703 may be provided in a protruding state.
  • the heat sinks 702 and 703 and the rear surface of the connection panel body 100 may be attached in a watertight form.
  • the DC power cable gland 225 and the power cable gland 226 selected and provided based on the thickness of the power line may be disposed at the lower end of the connection panel main body 100 to which various power lines are input and output. have.
  • the DC power cable gland 225 and the power cable gland 226 may improve watertightness and ease of maintenance by screw-type tightening and loosening functions.
  • FIG. 4 is a view illustrating a solar cell disposed on an upper end of an enclosure of a connection panel according to an exemplary embodiment.
  • the solar cells 210 and 211 are provided, respectively, and may be used for charging and discharging functions using the secondary battery according to the environment of the solar power generation facility.
  • the solar cells 210 and 211 may use a direct current fan (FAN) to lower the temperature of the junction panel main body 100 by forced heat dissipation ventilation during sunlight, which is a time period in which the temperature rise is relatively high.
  • the solar cells 210 and 211 may secure independent power to cover the power required for various sensors provided in the connection panel main body 100 . Through this, the solar cells 210 and 211 may allow the monitoring system of the photovoltaic device to be stably operated.
  • the solar cells 210 and 211 may be applied regardless of whether they are crystalline or thin film cells.
  • the thin film solar cell may serve to drive a fan (or blower) that circulates air inside during the daylight hours.
  • connection panel body 100 is diagrams illustrating a simplified configuration provided in the connection panel body 100 according to an embodiment.
  • Figure 5a is a view showing the front of the simple configuration of the smart connection panel according to an embodiment
  • Figure 5b is a view showing the left side of the simple configuration of the smart connection panel according to an embodiment
  • Figure 5c is an embodiment It may be a diagram showing the right side of the simple configuration of the smart connection board according to the present invention.
  • a voltammeter 240 mounted inside the connection panel body 100 and disposed in the front direction may be provided on the front part of the connection panel body 100 to check the operation status of the power.
  • the voltammeter 240 is disposed so as to be close to the transparent display window on one side of the inner side of the connection board main body 100 to maintain watertightness and secure visibility.
  • the meter fixing bracket 229 , the hinge-type meter installation fixture 228 , and the bolt fastening hole 230 may fix the voltammeter 240 to facilitate opening and closing the door of the voltammeter 240 .
  • the smart connection panel secures a constant monitoring system of the power generation module and uses the charger and discharger 502 and the secondary battery 503 equipped with an independent power source for the alarm device and means for stable operation of the power generation device to ensure stable management. function can be performed.
  • connection panel main body 100 At the lower end of the connection panel main body 100, a detachable maintenance cover (front, rear) (232 and 232) is provided to facilitate the operation of anchor means for preventing the connection panel from falling and the operation and maintenance of the power line grounding wire, etc. ') and "c"-shaped handles 242 and 242'.
  • the connection board main body 100 may include a DC circuit breaker 500 to cut off the power supply in an emergency or when an abnormal voltage is applied to prevent current from flowing to the outside.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Distribution Board (AREA)
  • Photovoltaic Devices (AREA)

Abstract

Disclosed is a smart connection board for a photovoltaic device. The smart connection board for a photovoltaic device comprises: a connection board body which has waterproofing and dustproofing functions and includes at least one of a charge-discharge device or a secondary battery; a metal bar through which heat inside the connection board body is discharged to the outside; a DC power cable gland and a power cable gland which provide a screw-type fastening and loosening function; a stainless steel perforated pipe passing through the inside of the connection board body; and a weather sensor which monitors weather conditions and performs temperature measurements, and includes a horizontal pyrheliometer and an inclined pyrheliometer.

Description

태양광 발전 장치용 스마트 접속반Smart junction panel for solar power generation devices
아래 실시예들은 태양광 발전 장치용 스마트 접속반에 관한 것이다.The following embodiments relate to a smart junction panel for a solar power device.
태양광 발전 장치는 최근에 국내외적으로 다양한 형태와 장소에 설치되고 있다. 태양광 발전 장치와 같은 태양광 설비는 장기간 사용되는 옥외 설비이므로, 설비가 안정적으로 유지되어야 안정적이고 효율적으로 가동될 수 있다.Photovoltaic power generation devices have recently been installed in various forms and places at home and abroad. Since photovoltaic facilities such as photovoltaic power generation devices are outdoor facilities that are used for a long time, they can be operated stably and efficiently only when the facilities are maintained stably.
태양전지에서 발생되는 직류 전력을 다중으로 수집하는 각각의 어레이에 연결되는 전기 도선의 말단에서, 동관 단자 및 피복이 제거된 직접 도선이 단자대 또는 휴즈 홀더에 접속된다. 이는 유지보수를 용이하게 하고, 회로가 직, 병렬로 구성되어, 사용 전압을 유출함으로써, 대용량의 전력을 생산하기 위한 기반이 될 수 있다.At the ends of the electric conductors connected to each array that collects the direct current power generated by the solar cells in multiples, copper tube terminals and the bare direct conductors are connected to a terminal block or a fuse holder. This facilitates maintenance, and circuits are configured in series and parallel to flow out the used voltage, which can serve as a basis for producing large-capacity power.
그러나, 전기 도선의 말단 부분에 접속되는 태양전지 어레이 상의 음영, 단락 및 각종 기상 상황의 악천후 등으로 인해, 전압 및 온도가 임계점을 초과하면, 휴즈 및 차단기의 단락 또는 전선 등의 열화로 인하여 화재가 발생할 수 있다.However, if the voltage and temperature exceed the critical point due to shading, short circuit, and bad weather in various weather conditions on the solar cell array connected to the distal end of the electric wire, a fire may occur due to a short circuit of the fuse and the circuit breaker or deterioration of the wire, etc. can occur
접속반 내부는 습기와 결로 현상 등에 의한 단자 간의 접촉으로 합선이 발생할 수 있다. 따라서, 접속반의 수밀성을 보장하고 내부 온도의 급격한 상승을 억제할 수 있는 수단이 요구되고 있다. 또한, 접속반의 안정적인 모니터링 시스템의 운용을 위해서는 기상 센서 및 각종 감시창 등이 제공되어야 한다.A short circuit may occur inside the connection panel due to contact between terminals due to moisture and dew condensation. Therefore, there is a need for a means capable of ensuring the watertightness of the connection panel and suppressing a rapid increase in the internal temperature. In addition, for the stable operation of the monitoring system of the junction panel, a weather sensor and various monitoring windows must be provided.
일 실시예에 따른 스마트 접속반은, 방수 및 방진 기능을 포함하고, 충방전기 및 2차전지 중 적어도 하나를 포함하는 접속반 본체; 상기 접속반 본체 내부의 열을 외부로 통출시키는 금속 바; 나사형 조임과 풀림 기능을 제공하는 직류 전원 케이블 그랜드 및 전력 케이블용 그랜드; 상기 접속반 본체의 내부를 관통하는 스테인레스 타공관; 및 기상 상황 모니터링 및 온도 계측을 수행하고, 수평 일사랑계 및 경사 일사량계를 포함하는 기상 센서를 포함할 수 있다.A smart connection panel according to an embodiment includes: a connection panel body including a waterproof and dustproof function, and at least one of a charger and discharger and a secondary battery; a metal bar for discharging heat inside the connection panel body to the outside; d.c. power cable glands and glands for power cables that provide threaded tightening and loosening functions; a stainless perforated pipe passing through the inside of the connection panel body; and a weather sensor for monitoring weather conditions and measuring temperature, and including a horizontal irradiometer and an inclined irradiometer.
일 실시예에 따른 스마트 접속반에서, 상기 스테인레스 타공관의 내부에는 타공된 복수의 방열 개방공들이 구비되고, 상기 스테인레스 타공관의 일 측에는 상기 접속반 본체 내부에서 생성되는 열을 외부로 통출하는 기능을 수행하는 자연 송풍기가 장착되고, 상기 스테인레스 타공관 내부에는 알루미늄 재질의 알루미늄 바가 8각의 요철 형태로 구비되고, 상기 알루미늄 바의 중앙부에는 상기 알루미늄 바를 고정시키고, 자연 통풍 기능을 제공하기 위한 십자형 개방공이 관통되어 있을 수 있다.In the smart junction panel according to an embodiment, a plurality of perforated heat dissipation opening holes are provided inside the perforated stainless pipe, and one side of the perforated stainless pipe vents heat generated inside the body of the junction panel to the outside A natural blower performing a function is mounted, and an aluminum bar made of aluminum is provided in an octagonal concavo-convex shape inside the stainless perforated pipe, and the aluminum bar is fixed to the center of the aluminum bar, and a cross shape for providing a natural ventilation function An open hole may be penetrated.
일 실시예에 따른 스마트 접속반은 상기 충방전기 및 상기 2차전지 중 적어도 하나에 전력을 공급하여 상기 접속반 본체에 독립된 전원을 제공하는 태양전지를 더 포함할 수 있다.The smart junction panel according to an embodiment may further include a solar cell that supplies power to at least one of the charger/discharger and the secondary battery to provide an independent power source to the junction panel body.
상기 접속반 본체는, 외부에, 계기관망 투시창을 통해 사용자에게 운전 상황을 제공하는 전압 전류계가 구비된 것일 수 있다.The connection panel main body may be provided with a voltammeter that provides a driving situation to the user through the instrument network see-through window on the outside.
상기 접속반 본체는, 외부 상단의 좌측 및 우측 면 말단에, 용접 처리된 후 상기 접속반 본체의 내부를 관통하는 상기 스테인레스 타공관이 구비된 것일 수 있다.The connection panel body may be provided with the stainless steel perforated tube passing through the inside of the connection panel body after being welded at the ends of the left and right sides of the outer upper end.
상기 접속반 본체는, 후면에, 상단 방열판 및 상기 하단 방열판이 퓨즈형 차단기와 2열로 배치되어, 수밀성이 강구된 형태로 구비된 것일 수 있다.The connection board body may be provided in a form in which the upper heat sink and the lower heat sink are arranged in two rows with a fuse-type circuit breaker on the rear surface, and the watertightness is strengthened.
상기 접속반 본체는, 상기 퓨즈형 차단기, 상기 상단 방열판 및 상기 하단 방열판이 결합되고 상기 후면이 개방되어, 빗살형의 방열판들이 돌출된 것일 수 있다.The connection board body may be one in which the fuse-type circuit breaker, the upper heat sink, and the lower heat sink are combined and the rear surface is opened, so that comb-shaped heat sinks protrude.
상기 접속반 본체는, 상기 상단 방열판 및 상기 하단 방열판의 상단면에 직접광을 저감하는 일사량 저감 차양을 포함할 수 있다.The connection panel body may include a solar radiation reduction awning for reducing direct light on upper surfaces of the upper heat sink and the lower heat sink.
일 실시예에 따른 스마트 접속반은 상기 접속반 본체의 전도 방지를 위한 앙카 수단을 제공하고, 전력선 및 접지선 중 적어도 하나의 입출 작업 및 보수 작업을 위해 탈착이 가능하게 구비된 유지 보수용 덮개 및 손잡이를 더 포함할 수 있다.Smart junction panel according to an embodiment provides an anchor means for preventing the junction panel body from falling, and a cover and handle for maintenance that are detachably provided for entering and leaving at least one of a power line and a ground wire and for maintenance work may further include.
상기 접속반 본체는, 직류 차단기가 구비되어 미리 정해진 기준에 기초하여 이상 상황이 발생한 것으로 결정된 경우, 직류를 차단하여 상기 직류가 외부로 유출되지 않도록 할 수 있다.The connection board main body is provided with a DC circuit breaker, and when it is determined that an abnormal situation has occurred based on a predetermined criterion, it may block the DC so that the DC is not leaked to the outside.
상기 접속반 본체는, 전압 전류계를 고정하는 계기 고정용 브라켓, 힌지형 계기부설 고정구를 포함할 수 있다.The connection panel body may include a bracket for fixing an instrument for fixing the voltammeter and a hinge-type instrument installation fixture.
일 실시예에 따르면 안정적인 모니터링 시스템을 운용할 수 있는 태양광 발전 장치용 스마트 접속반을 개시할 수 있다.According to an embodiment, a smart connection panel for a solar power generation device capable of operating a stable monitoring system may be disclosed.
일 실시예에 따르면 방수, 방진 및 방열 기능을 갖춘 접속반을 제공할 수 있다.According to an embodiment, it is possible to provide a connection panel having waterproof, dustproof and heat dissipation functions.
일 실시예에 따르면 태양광 발전 장치에 있어서 태양전지가 생성하는 전력을 다중 수집하여, 수집된 전력을 인버터에 공급하는 기능을 제공할 수 있다.According to an embodiment, in the photovoltaic device, a function of multiple collection of power generated by a solar cell and supplying the collected power to the inverter may be provided.
일 실시예에 따르면 접속반의 기능을 수행하면서 발생할 수 있는 합선을 방지할 수 있다.According to an embodiment, it is possible to prevent a short circuit that may occur while performing the function of the connection panel.
일 실시예에 따르면 접속반의 수밀성을 보장하고 내부 온도의 급격한 상승을 억제함으로써 안정적인 모니터링 시스템을 제공할 수 있다.According to an embodiment, it is possible to provide a stable monitoring system by ensuring the watertightness of the connection panel and suppressing a rapid increase in the internal temperature.
도 1a는 일 실시예에 따른 스마트 접속반의 구조를 도시하는 도면이다.1A is a diagram illustrating a structure of a smart connection panel according to an embodiment.
도 1b는 일 실시예에 따른 스마트 접속반의 좌측면을 도시하는 도면이다.1B is a view showing a left side of a smart connection board according to an embodiment.
도 1c는 일 실시예에 따른 스마트 접속반의 우측면을 도시하는 도면이다.1C is a diagram illustrating a right side of a smart connection board according to an embodiment.
도 1d는 일 실시예에 따른 스마트 접속반의 후면을 도시하는 도면이다.1D is a view showing a rear side of a smart connection panel according to an embodiment.
도 2는 일 실시예에 따른 기상센서 및 이를 지지하는 브라켓을 도시하는 도면이다.2 is a view showing a weather sensor and a bracket supporting the same according to an embodiment.
도 3a는 일 실시예에 따른 스마트 접속반의 내부 투시도이다.3A is an internal perspective view of a smart connection panel according to an embodiment.
도 3b는 일 실시예에 따른 스마트 접속반의 하단으로 통출되는 방수형 케이블 그랜드를 도시하는 도면이다.Figure 3b is a view showing a waterproof cable gland leading out to the bottom of the smart connection panel according to an embodiment.
도 3c는 일 실시예에 따른 스마트 접속반의 부스바와 차단기와 접속되는 부스형 터미널을 도시하는 도면이다.3C is a diagram illustrating a bus-type terminal connected to a bus bar and a circuit breaker of a smart connection board according to an embodiment.
도4는 일 실시예에 따른 접속반 외함부 상단에 배치되는 태양전지를 도시하는 도면이다.4 is a view illustrating a solar cell disposed on an upper end of an enclosure of a connection board according to an embodiment.
도 5a는 일 실시예에 따른 스마트 접속반의 간편구성상의 정면을 도시하는 도면이다.5A is a view showing a front view of a simple configuration of a smart connection board according to an embodiment.
도 5b는 일 실시예에 따른 스마트 접속반의 간편구성상의 좌측면을 도시하는 도면이다.5B is a view showing the left side of the simple configuration of the smart connection board according to an embodiment.
도 5c는 일 실시예에 따른 스마트 접속반의 간편구성상의 우측면을 도시하는 도면이다.Figure 5c is a view showing the right side of the simple configuration of the smart connection board according to an embodiment.
도 6a는 일 실시예에 따른 함체에 구비되는 스테인레스 타공관의 정면을 도시하는 도면이다.Figure 6a is a view showing the front of the stainless steel perforated pipe provided in the housing according to an embodiment.
도 6b는 일 실시예에 따른 함체에 구비되는 스테인레스 타공관의 좌측면을 도시하는 도면이다.Figure 6b is a view showing the left side of the stainless steel perforated tube provided in the housing according to an embodiment.
도 6c는 일 실시예에 따른 함체에 구비되는 스테인레스 타공관의 우측면을 도시하는 도면이다.Figure 6c is a view showing the right side of the stainless steel perforated tube provided in the housing according to an embodiment.
도 7a는 일 실시예에 따른. 스테인레스 타공관 내부 분해 샤시도이다.7A is a diagram according to one embodiment. This is an internal disassembled chassis diagram of a stainless steel perforated tube.
도7b는 일 실시예에 따른 요철 8각 알루미늄 바의 분해 샤시도이다.7B is an exploded chassis view of an octagonal concave-convex aluminum bar according to an exemplary embodiment.
이하에서, 실시예들을 첨부된 도면을 참조하여 상세하게 설명한다. 그러나, 권리범위는 이러한 실시예들에 의해 제한되거나 한정되는 것은 아니다. 각 도면에 제시된 동일한 참조 부호는 동일한 부재를 나타낸다.Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, the scope of the rights is not limited or limited by these embodiments. Like reference numerals in each figure indicate like elements.
아래 설명에서 사용되는 용어는, 연관되는 기술 분야에서 일반적이고 보편적인 것으로 선택되었으나, 기술의 발달 및/또는 변화, 관례, 기술자의 선호 등에 따라 다른 용어가 있을 수 있다. 따라서, 아래 설명에서 사용되는 용어는 기술적 사상을 한정하는 것으로 이해되어서는 안 되며, 실시예들을 설명하기 위한 예시적 용어로 이해되어야 한다.The terms used in the description below are selected as general and universal in the related technical field, but there may be other terms depending on the development and/or change of technology, customs, preferences of technicians, and the like. Therefore, the terms used in the description below should not be understood as limiting the technical idea, but should be understood as exemplary terms for describing the embodiments.
또한 특정한 경우는 출원인이 임의로 선정한 용어도 있으며, 이 경우 해당되는 설명 부분에서 상세한 그 의미를 기재할 것이다. 따라서 아래 설명에서 사용되는 용어는 단순한 용어의 명칭이 아닌 그 용어가 가지는 의미와 명세서 전반에 걸친 내용을 토대로 이해되어야 한다.In addition, in specific cases, there are terms arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the corresponding description. Therefore, the terms used in the description below should be understood based on the meaning of the term and the content throughout the specification, not the simple name of the term.
본 명세서에서 설명하는 태양광 발전 장치용 스마트 접속반은, 태양광 발전 장치에 있어서 태양전지가 생성하는 전력을 다중 수집하여, 수집된 전력을 인버터에 공급하는 기능을 개시할 수 있다.The smart connection panel for a photovoltaic device described in this specification may collect multiple power generated by a solar cell in the photovoltaic device and initiate a function of supplying the collected power to the inverter.
본 명세서에서 설명된 태양광 발전 장치용 스마트 접속반은 태양광 발전 장치의 모니터링 시스템의 안정적인 운용을 위해 구비되는 접속반일 수 있다. 스마트 접속반은 외부의 태양전지 모듈 각각과 인버터 간에, 직류 전원 어레이의 접속과 함께, 시스템의 운용 및 경보와 이상 시에나, 수리 시에 차단 및 계측을 위한 기상 센서의 연결에 있어서, 이들의 신호를 변환하는 장치들에 소비되는 전력을 독립된 전원을 확보할 수 있다. 또한, 스마트 접속반은, 접속반 내부에서 발생되는 고온을 방출하기 위한, 방열 성능이 우수한 방열판을 구비할 수 있다. 접속반은 자연 송풍 기능을 활용하여, 접속반을 상시 온도저감상태로 유지하고, 우수한 방수 기능을 제공할 수 있다.The smart junction panel for photovoltaic devices described herein may be a junction panel provided for stable operation of the monitoring system of the photovoltaic device. The smart connection panel connects each of the external solar cell modules and the inverter, with the connection of the DC power array, the connection of the weather sensor for system operation, alarm, abnormality, or repair, and the connection of these signals. It is possible to secure a power source independent of the power consumed by the devices that convert it. In addition, the smart connection panel may include a heat sink having excellent heat dissipation performance for dissipating the high temperature generated inside the connection panel. The junction panel utilizes the natural ventilation function to maintain the junction panel in a temperature-reduced state at all times and provide excellent waterproofing.
스마트 접속반의 전체구성Overall configuration of smart junction panel
도 1a 내지 도 1d는 일 실시예에 따른 스마트 접속반의 구조를 도시하는 도면들이다.1A to 1D are diagrams illustrating the structure of a smart connection board according to an embodiment.
도 1a는 일 실시예에 따른 스마트 접속반의 구조를 도시하는 도면이고, 도 1b는 일 실시예에 따른 스마트 접속반의 좌측면을 도시하는 도면이고, 도 1c는 일 실시예에 따른 스마트 접속반의 우측면을 도시하는 도면이고, 도 1d는 일 실시예에 따른 스마트 접속반의 후면을 도시하는 도면일 수 있다.1A is a diagram showing the structure of a smart connection panel according to an embodiment, FIG. 1B is a view showing a left side of a smart connection panel according to an embodiment, and FIG. 1C is a right side of a smart connection panel according to an embodiment FIG. 1D may be a view showing a rear side of a smart connection board according to an embodiment.
도 2는 일 실시예에 따른 기상센서 및 이를 지지하는 브라켓을 도시하는 도면이고, 도 3a는 일 실시예에 따른 스마트 접속반의 내부 투시도이다.Figure 2 is a view showing a weather sensor and a bracket supporting the same according to an embodiment, Figure 3a is an internal perspective view of the smart connection panel according to an embodiment.
도 3b는 일 실시예에 따른 스마트 접속반의 하단으로 통출되는 방수형 케이블 그랜드를 도시하는 도면이고, 도 3c는 일 실시예에 따른 스마트 접속반.의 부스바와 차단기와 접속되는 부스형 터미널을 도시하는 도면이다.Figure 3b is a view showing a waterproof cable gland leading out to the bottom of the smart junction panel according to an embodiment, Figure 3c is a smart junction panel. It is a drawing.
스마트 접속반은 방수 및 방진 기능을 포함하고, 충방전기 및 2차전지 중 적어도 하나를 포함하는 접속반 본체(100), 접속반 본체(100) 내부의 열을 외부로 통출시키는 금속 바를 포함할 수 있다. 여기서 금속 바는 예를 들어, 알루미늄 소재이고, 8각의 요철 형태로 구비된 요철 8각 알루미늄 바(224 및 224')일 수 있다.The smart connection panel includes a waterproof and dustproof function, and may include a connection panel body 100 including at least one of a charger/discharger and a secondary battery, and a metal bar for discharging heat inside the connection panel body 100 to the outside. have. Here, the metal bar may be, for example, an aluminum material, and may be the concave-convex octagonal aluminum bars 224 and 224' provided in the form of octagonal concavities and convexities.
스마트 접속반은 또한, 나사형 조임과 풀림 기능을 제공하는 직류 전원 케이블 그랜드(225) 및 전력 케이블용 그랜드(226), 접속반 본체의 상면 내부에 타공된 형태로 개방되고, 자연 송풍기 및 기상 센서 중 적어도 하나를 거치하는 스테인레스 타공관(227) 및 기상 상황 모니터링 및 모듈의 온도 계측 중 적어도 하나를 수행하고, 기상 센서를 포함할 수 있다. 여기서, 기상 센서는 수평 일사랑계(706) 및 경사 일사량계(707)를 포함할 수 있다.The smart junction panel is also opened in a perforated form inside the upper surface of the junction panel body, including a DC power cable gland 225 and a power cable gland 226 that provide screw-type tightening and loosening functions, and a natural blower and weather sensor. Performs at least one of the stainless perforated pipe 227 and the weather condition monitoring and temperature measurement of the module for mounting at least one of the, and may include a weather sensor. Here, the weather sensor may include a horizontal insolation meter 706 and an inclined insolation meter 707 .
스마트 접속반은 접속반 본체(100) 내부에 구비된 충방전기(502) 및 2차전지(503) 중 적어도 하나에 전력을 공급하여 접속반 본체에 독립된 전원을 제공하는 태양전지(210 및 211)를 더 포함할 수 있다. 태양전지(210 및 211)는 제1 태양전지(210) 및 제2 태양전지(211)를 포함할 수 있다. 접속반 본체(100) 상단 면에 전, 후로 경사 형태의 태양전지(210 및 211)가 배치될 수 있다. 태양전지(210 및 211)는 직류 팬(FAN)을 활용하여 접속반 본체에 구비된 기상 센서가 소요하는 전력을 독립적으로 확보할 수 있다.The smart junction panel supplies power to at least one of the charger/discharger 502 and the secondary battery 503 provided in the junction panel body 100 to provide independent power to the junction panel body solar cells 210 and 211. may further include. The solar cells 210 and 211 may include a first solar cell 210 and a second solar cell 211 . The solar cells 210 and 211 of the forward and backward inclined shape may be disposed on the upper surface of the connection panel body 100 . The solar cells 210 and 211 may independently secure the power required by the weather sensor provided in the main body of the connection panel by using a direct current fan (FAN).
스마트 접속반은 접속반 본체(100)의 전도 방지를 위한 앙카 수단을 제공하고, 전력선 및 접지선 중 적어도 하나의 입출 작업 및 보수 작업을 위해 탈착이 가능하게 구비된 유지 보수용 덮개(232 및 232')및 손잡이(242 및 242')를 포함할 수도 있다. 여기서 손잡이(242 및 242')는 'ㄷ'의 형태를 가질 수 있다.The smart junction panel provides an anchor means for preventing the junction panel main body 100 from falling, and maintenance covers 232 and 232 ′ that are detachably provided for entry and exit work and maintenance work of at least one of the power line and the ground wire. ) and handles 242 and 242'. Here, the handles 242 and 242' may have a 'c' shape.
접속반 본체(100)는 외부에, 계기관망 투시창(223)을 통해 사용자에게 운전 상황을 제공하는 전압 전류계(240)가 구비된 것일 수 있다. 계기관망 투시창(223)은 유리 소재 또는 아크릴 소재가 사용되어 사용자가 정면에서 전압 전류계(240)를 확인하여 상시로 운전 상황을 점검할 수 있도록 할 수 있다.The connection panel main body 100 may be provided with a voltammeter 240 provided to the user through the instrument network viewing window 223 on the outside. The instrument network viewing window 223 is made of a glass material or an acrylic material so that the user can check the voltammeter 240 from the front to check the driving condition at all times.
접속반 본체(100)는 외부 상단의 좌측 및 우측 면 말단에, 용접 처리된 후 접속반 본체(100)의 내부를 관통하는 다기능성 스테인레스 타공관(227)이 구비된 것일 수 있다. 스테인레스 타공관(227)의 상단 좌측 및 우측에 노출되는 부분에는 자연 송풍기(705), 수평 일사량계(706) 및 경사 일사량계(707)가 거치될 수 있다.The junction panel body 100 may be provided with a multifunctional stainless steel perforated tube 227 penetrating the inside of the junction panel body 100 after being welded at the ends of the left and right sides of the external upper end. A natural blower 705 , a horizontal insolation meter 706 , and an inclined insolation meter 707 may be mounted on portions exposed on the upper left and right sides of the stainless perforated tube 227 .
접속반 본체(100)는 후면에 상단 방열판(702) 및 하단 방열판(703)이 퓨즈형 차단기(504)와 노출 형태의 2열로 배치되어, 수밀성이 강구된 형태로 구비된 것일 수 있다. 접속반 본체(100)는 퓨즈형 차단기(504), 상단 방열판(702) 및 하단 방열판(703)이 결합되고 후면이 개방되어, 빗살형의 방열판들(702 및 703)이 돌출된 것일 수 있다. 또한, 접속반 본체(100)는 상단 방열판(702) 및 하단 방열판(703)의 최상단 면에는 일정한 간격을 유지하여 직접광을 저감하는 일사량 저감차양(701)을 포함할 수 있다.The connection panel main body 100 may be provided in a form in which the upper heat sink 702 and the lower heat sink 703 are arranged in two rows of the fuse-type circuit breaker 504 and the exposed form on the rear side, and the watertightness is strengthened. The connection panel body 100 may be one in which the fuse-type circuit breaker 504, the upper heat sink 702, and the lower heat sink 703 are combined and the rear surface is opened, so that the comb-shaped heat sinks 702 and 703 protrude. In addition, the connection panel body 100 may include a solar radiation reduction awning 701 for reducing direct light by maintaining a constant interval on the uppermost surfaces of the upper heat sink 702 and the lower heat sink 703 .
거치부 구성Mounting part configuration
접속반 본체(100)의 외부 상단 좌측면 및 우측면 말단에는, 외부로 노출되는 부분이 방수를 위하여 용접(101,102) 처리되고, 상면 내부에 관통되는 스테인레스 타공관(227)이 타공된 형태로 개방될 수 있다. 방열개방공(241) 내경부의 공극에는 요철 8각 알루미늄 바(224 및 224')가 양단의 말단까지 탈착이 가능한 형태로 구비될 수 있다. 또한, 거치부에는 일 측이 노출된 관이 구비될 수 있고, 접속반 본체(100)의 결합된 구조체 외측면에 커풀링을 통해 자연 송풍기가 장착되어, 접속반 본체(100)는 접속반 본체(100) 내부에서 생성되는 고온을 외부로 통출하는 기능을 수행할 수 있다.At the ends of the external upper left and right sides of the connection panel body 100, the parts exposed to the outside are welded 101 and 102 for waterproofing, and a stainless perforated tube 227 penetrating inside the upper surface is opened in a perforated form. can Concave-convex octagonal aluminum bars 224 and 224' may be provided in a space in the inner diameter of the heat dissipation opening 241 in a form that is detachable to the ends of both ends. In addition, the mounting portion may be provided with a tube with one side exposed, and a natural blower is mounted on the outer surface of the coupled structure of the connection panel body 100 through coupling, and the connection panel body 100 is the connection panel body 100 . (100) It is possible to perform a function of venting the high temperature generated inside to the outside.
위 실시예에 한정되지 않고, 실시예에 따라, 스마트 접속반은 태양광 발전 장치의 안정적인 운용을 위하여 기상 상황을 모니터링하고, 모듈의 온도를 계측하기 위한 수단으로, 기상 센서인 수평 일사량계(706) 및 경사 일사량계(707)를 거치 할 수 있다. 수평 일사량계(706) 및 경사 일사량계(707)는 풍향, 풍속, 온도, 습도, 미세먼지 농도 및 일사량 중 적어도 하나를 측정할 수도 있다.Not limited to the above embodiment, according to the embodiment, the smart connection panel monitors the weather conditions for stable operation of the photovoltaic device, and is a means for measuring the temperature of the module, the horizontal insolation meter 706 as a weather sensor ) and an inclined insolation meter 707 can be mounted. The horizontal insolation meter 706 and the inclined insolation meter 707 may measure at least one of a wind direction, wind speed, temperature, humidity, fine dust concentration, and insolation amount.
방열, 방수 수단의 구성Composition of heat dissipation and waterproofing means
접속반 본체(100)는 방수의 상위의 등급을 유지하기 위한 수단이 강구됨으로 인하여 발생되는 열과 전원을 포집하는 수단과, 전원을 송전하는 각 부의 접속점에서 발생되는 접촉저항에 의한 도전성율의 감소로 인하여, 열이 전력량에 비례하여 발생할 수 있다. 열을 신속하게 저감 시키지 않을 경우, 차단기가 동작하거나, 화재가 발생될 수 있다. 방열 수단으로, 접속반 본체(100) 내부에 대기되는 고온을 외부로 통출시킬 수 있는 방열 성능이 우수한 알루미늄 재질의 요철 8각 알루미늄 바(224 및 224')가 8각의 요철형태로 구비될 수 있다. 요철 8각 알루미늄 바(224 및 224')는 단위 면적당 흡온 면적의 비율이 증대되도록 구비될 수 있다. 몸체 중앙부에는 십자형 개방공(222)이 관통되어 자연 통풍 기능이 제공될 수 있다. 스테인레스 타공관(227)의 내부에는 타공된 방열 개방공(241 및 241')이 구비되어 방열 효과를 증대시킬 수 있다. 십자형 개방공(222)은 요철 8각 알루미늄 바(224,224')를 고정시킬 수 있고, 요철 8각 알루미늄 바(224,224')의 인출을 용이하게 할 수 있다. 또한, 십자형 개방공(222)은 외부의 기능적인 센서 장착에도 기여할 수 있다.The connection board body 100 is a means for collecting heat and power generated by means for maintaining a higher level of waterproofing, and a decrease in conductivity due to contact resistance generated at the connection point of each part that transmits power. Due to this, heat may be generated in proportion to the amount of power. If the heat is not reduced quickly, the circuit breaker may operate or a fire may occur. As a heat dissipation means, the concave-convex octagonal aluminum bars 224 and 224' made of aluminum with excellent heat dissipation performance capable of venting the high temperature waiting inside the connection panel body 100 to the outside are provided in the form of octagonal concavo-convex. can The uneven octagonal aluminum bars 224 and 224' may be provided to increase the ratio of the heat absorption area per unit area. A cross-shaped opening 222 may be penetrated through the central portion of the body to provide a natural ventilation function. The perforated heat dissipation opening holes 241 and 241 ′ are provided inside the stainless perforated tube 227 to increase the heat dissipation effect. The cross-shaped opening hole 222 may fix the concave-convex octagonal aluminum bars 224 and 224', and may facilitate the extraction of the concave-convex octagonal aluminum bars 224 and 224'. In addition, the cross-shaped opening 222 may contribute to the mounting of an external functional sensor.
다른 실시예에서, 스마트 접속반의 한 쪽 노출면을 활용하여, 십자형 개방공(222)이 관말단에 커풀링의 형태로 결합되어 상향으로 배치되면, 자연 송풍을 유도할 수 있는 자연 송풍기(705)를 장착할 수 있어, 스마트 접속반은 자연 송풍기(705)를 통해 방열성을 증대시킬 수 있다.In another embodiment, utilizing one exposed surface of the smart connection panel, when the cross-shaped open hole 222 is coupled to the pipe end in the form of a coupling and is disposed upward, a natural blower 705 capable of inducing natural airflow. can be mounted, the smart connection panel can increase heat dissipation through the natural blower 705 .
위 실시예에서 접속반 본체(100) 내부와 외부는 격벽의 형태로 구비되도록 스테인레스 타공관(227)이 내,외부의 격벽 부분에 용접(101,102) 처리될 수 있다. 용접 처리된 스테인레스 타공관(227)은 수밀성을 향상시키고, 기계적 강도를 유지하는 효과를 도모할 수 있다.In the above embodiment, the stainless perforated pipe 227 may be welded 101 and 102 to the inner and outer partition walls so that the inside and the outside of the connection panel body 100 are provided in the form of a partition wall. The welded stainless steel perforated pipe 227 can improve watertightness and achieve the effect of maintaining mechanical strength.
다른 실시예에서, 접속반 본체(100) 내부에 구비되는 장치 중, 온도 상승 빈도가 비교적 높은 직류 전원 수용부의 퓨즈형 차단기(504)는 1 내지 3개가 일정한 간격으로 배치될 수 있다. 접속반 본체(100)는 고온을 신속하게 외부로 방출하기 위한 수단으로, 퓨즈형 차단기(504)의 몸체와 방열판들(702 및 703)이 결합되어 후면에, 사방을 개방하여 빗살형의 방열판들(702 및 703)이 돌출된 상태로 구비될 수 있다. 이 실시예에서 방열판들(702 및 703)과 접속반 본체(100)의 후면은 수밀성이 강구된 형태로 부착되어 있을 수 있다.In another embodiment, one to three fuse-type circuit breakers 504 of a DC power receiving unit having a relatively high temperature rise frequency among devices provided inside the connection panel main body 100 may be arranged at regular intervals. The connection panel body 100 is a means for rapidly discharging high temperature to the outside, and the body of the fuse-type circuit breaker 504 and the heat sinks 702 and 703 are coupled to the rear side, and the comb-shaped heat sinks are opened in all directions. 702 and 703 may be provided in a protruding state. In this embodiment, the heat sinks 702 and 703 and the rear surface of the connection panel body 100 may be attached in a watertight form.
또 다른 실시예에서, 접속반 본체(100) 내부에서 각종 전력선이 입출되는 하단부에는 전력선의 굵기에 기초하여 선정되어 구비된 직류 전원 케이블 그랜드(225)와 전력 케이블용 그랜드(226)가 배치될 수 있다. 직류 전원 케이블 그랜드(225)와 전력 케이블용 그랜드(226)는 나사형 조임과 풀림 기능으로 수밀성과 유지보수의 용이성을 향상시킬 수 있다.In another embodiment, the DC power cable gland 225 and the power cable gland 226 selected and provided based on the thickness of the power line may be disposed at the lower end of the connection panel main body 100 to which various power lines are input and output. have. The DC power cable gland 225 and the power cable gland 226 may improve watertightness and ease of maintenance by screw-type tightening and loosening functions.
독립된 전원 구성Independent power configuration
도 4는 일 실시예에 따른 접속반 외함부 상단에 배치되는 태양전지를 도시하는 도면이다.4 is a view illustrating a solar cell disposed on an upper end of an enclosure of a connection panel according to an exemplary embodiment.
태양전지(210 및 211)는 각각 구비되어, 태양광 발전 설비의 환경에 따라서 2차전지를 활용한 충전 및 방전 기능에 활용될 수 있다. 태양전지(210 및 211)는 직류 팬(FAN)을 활용하여 온도 상승이 비교적 높은 시간대인 일조 시간에, 강제 방열통풍으로 접속반 본체(100)의 온도를 낮출 수 있다. 태양전지(210 및 211)는 접속반 본체(100)에 구비된 각종 센서에 소요되는 전력을 충당하기 위한, 독립된 전력을 확보할 수 있다. 이를 통해 태양전지(210 및 211)는 태양광 발전 장치의 모니터링 시스템이 안정적으로 운용되도록 할 수 있다. 태양전지(210 및 211)는 결정질, 박막셀에 구분되지 않고 적용될 수 있다. 여기서, 박막형 태양전지는 일조 시간 동안 내부의 공기를 순환시키는 팬(fan; 또는 송풍기)을 구동시키는 역할을 수행할 수 있다.The solar cells 210 and 211 are provided, respectively, and may be used for charging and discharging functions using the secondary battery according to the environment of the solar power generation facility. The solar cells 210 and 211 may use a direct current fan (FAN) to lower the temperature of the junction panel main body 100 by forced heat dissipation ventilation during sunlight, which is a time period in which the temperature rise is relatively high. The solar cells 210 and 211 may secure independent power to cover the power required for various sensors provided in the connection panel main body 100 . Through this, the solar cells 210 and 211 may allow the monitoring system of the photovoltaic device to be stably operated. The solar cells 210 and 211 may be applied regardless of whether they are crystalline or thin film cells. Here, the thin film solar cell may serve to drive a fan (or blower) that circulates air inside during the daylight hours.
관재 및 관람, 장치적 안전성 구성Construction of trust, viewing, and device safety
도 5a 내지 도 5c는 일 실시예에 따른 접속반 본체(100)에 구비되는 간편구성상의 모습을 도시하는 도면들이다.5A to 5C are diagrams illustrating a simplified configuration provided in the connection panel body 100 according to an embodiment.
도 5a는 일 실시예에 따른 스마트 접속반의 간편구성상의 정면을 도시하는 도면이고, 도 5b는 일 실시예에 따른 스마트 접속반의 간편구성상의 좌측면을 도시하는 도면이고, 도 5c는 일 실시예에 따른 스마트 접속반의 간편구성상의 우측면을 도시하는 도면일 수 있다.Figure 5a is a view showing the front of the simple configuration of the smart connection panel according to an embodiment, Figure 5b is a view showing the left side of the simple configuration of the smart connection panel according to an embodiment, Figure 5c is an embodiment It may be a diagram showing the right side of the simple configuration of the smart connection board according to the present invention.
접속반 본체(100) 정면부에는 접속반 본체(100) 내부에 장착되어 정면의 방향으로 배치되는 전압 전류계(240)가 전력의 가동 상황을 확인할 수 있도록 구비될 수 있다. 전압 전류계(240)는 접속반 본체(100) 내부의 일 측의 전면부에 투명 표시창에 근접하도록 배치되어 수밀성 유지하고, 시인성을 확보할 수 있다.A voltammeter 240 mounted inside the connection panel body 100 and disposed in the front direction may be provided on the front part of the connection panel body 100 to check the operation status of the power. The voltammeter 240 is disposed so as to be close to the transparent display window on one side of the inner side of the connection board main body 100 to maintain watertightness and secure visibility.
계기 고정용 브라켓(229), 힌지형 계기부설 고정구(228) 및 볼트 체결공(230)은 전압 전류계(240) 전면부의 문을 개폐하기 용이하도록 전압 전류계(240)을 고정할 수 있다.The meter fixing bracket 229 , the hinge-type meter installation fixture 228 , and the bolt fastening hole 230 may fix the voltammeter 240 to facilitate opening and closing the door of the voltammeter 240 .
스마트 접속반은 발전용 모듈의 상시 감시체계를 확보하여 안정적인 발전장치의 운용을 도모하기 위한 수단과 경보 장치에 독립 전원을 구비하는 충방전기(502)와 2차전지(503)를 활용하여 안정적인 관재 기능을 수행할 수 있다.The smart connection panel secures a constant monitoring system of the power generation module and uses the charger and discharger 502 and the secondary battery 503 equipped with an independent power source for the alarm device and means for stable operation of the power generation device to ensure stable management. function can be performed.
접속반 본체(100) 하단부에는 접속반의 전도를 방지하기 위한 앙카 수단의 작업 및 전력선 접지선 등의 입출작업 및 보수가 용이하도록 탈착이 가능하게 구비된 유지 보수용 덮개(전, 후) (232 및 232')와 "ㄷ"형 손잡이(242 및 242')를 포함할 수 있다. 또한, 접속반 본체(100)는 직류 차단기(500)를 포함하여, 긴급 시 또는 이상 전압의 내습 시에, 전원을 차단하여 전류가 외부로 유출되지 않도록 할 수 있다.At the lower end of the connection panel main body 100, a detachable maintenance cover (front, rear) (232 and 232) is provided to facilitate the operation of anchor means for preventing the connection panel from falling and the operation and maintenance of the power line grounding wire, etc. ') and "c"-shaped handles 242 and 242'. In addition, the connection board main body 100 may include a DC circuit breaker 500 to cut off the power supply in an emergency or when an abnormal voltage is applied to prevent current from flowing to the outside.

Claims (8)

  1. 스마트 접속반에 있어서,In the smart connection panel,
    방수 및 방진 기능을 포함하고, 충방전기 및 2차전지 중 적어도 하나를 포함하는 접속반 본체;a connection panel body including a waterproof and dustproof function, and including at least one of a charger/discharger and a secondary battery;
    상기 접속반 본체 내부의 열을 외부로 통출시키는 금속 바;a metal bar for discharging heat inside the connection panel body to the outside;
    나사형 조임과 풀림 기능을 제공하는 직류 전원 케이블 그랜드 및 전력 케이블용 그랜드;d.c. power cable glands and glands for power cables that provide threaded tightening and loosening functions;
    상기 접속반 본체의 내부를 관통하는 스테인레스 타공관; 및a stainless perforated pipe passing through the inside of the connection panel body; and
    기상 상황 모니터링 및 온도 계측을 수행하고, 수평 일사랑계 및 경사 일사량계를 포함하는 기상 센서를 포함하는,Conducting weather condition monitoring and temperature measurement, and comprising a weather sensor including a horizontal irradiometer and an inclined irradiometer,
    스마트 접속반.smart connection panel.
  2. 제1항에 있어서,According to claim 1,
    상기 스테인레스 타공관의 내부에는 타공된 복수의 방열 개방공들이 구비되고,A plurality of perforated heat dissipation opening holes are provided inside the stainless perforated tube,
    상기 스테인레스 타공관의 일 측에는 상기 접속반 본체 내부에서 생성되는 열을 외부로 통출하는 기능을 수행하는 자연 송풍기가 장착되고,A natural blower is mounted on one side of the stainless steel perforated pipe to vent heat generated inside the main body of the connection panel to the outside,
    상기 스테인레스 타공관 내부에는 알루미늄 재질의 알루미늄 바가 8각의 요철 형태로 구비되고, An aluminum bar made of aluminum is provided in the stainless steel perforated tube in the form of octagonal irregularities,
    상기 알루미늄 바의 중앙부에는 상기 알루미늄 바를 고정시키고, 자연 통풍 기능을 제공하기 위한 십자형 개방공이 관통되어 있는,The central part of the aluminum bar has a cross-shaped opening through which the aluminum bar is fixed and provides a natural ventilation function,
    스마트 접속반.smart connection panel.
  3. 제1항에 있어서,According to claim 1,
    상기 충방전기 및 상기 2차전지 중 적어도 하나에 전력을 공급하여 상기 접속반 본체에 독립된 전원을 제공하는 태양전지A solar cell for supplying power to at least one of the charger/discharger and the secondary battery to provide an independent power source to the connection panel body
    를 더 포함하는,further comprising,
    스마트 접속반.smart connection panel.
  4. 제1항에 있어서,According to claim 1,
    상기 접속반 본체는,The connecting board body,
    외부 상단의 좌측 및 우측 면 말단에, 용접 처리된 후 상기 접속반 본체의 내부를 관통하는 상기 스테인레스 타공관이 구비된 것인,At the ends of the left and right sides of the outer upper end, the stainless steel perforated pipe passing through the inside of the connection panel body after being welded is provided,
    스마트 접속반.smart connection panel.
  5. 제1항에 있어서,According to claim 1,
    상기 접속반 본체는,The connecting board body,
    후면에, 상단 방열판 및 하단 방열판이 퓨즈형 차단기와 2열로 배치되어, 수밀성이 강구된 형태로 구비된 것인,At the rear, the upper heat sink and the lower heat sink are arranged in two rows with a fuse-type circuit breaker, which is provided in a watertight form,
    스마트 접속반.smart connection panel.
  6. 제5항에 있어서,6. The method of claim 5,
    상기 접속반 본체는,The connecting panel body is
    상기 퓨즈형 차단기, 상기 상단 방열판 및 상기 하단 방열판이 결합되고 상기 후면이 개방되어, 빗살형의 방열판들이 돌출된 것인,The fuse-type circuit breaker, the upper heat sink and the lower heat sink are combined and the rear surface is opened, so that the comb-shaped heat sinks protrude,
    스마트 접속반.smart connection panel.
  7. 제5항에 있어서,6. The method of claim 5,
    상기 접속반 본체는,The connecting board body,
    상기 상단 방열판 및 상기 하단 방열판의 상단면에 직접광을 저감하는 일사량 저감 차양을 포함하는,Including a solar radiation reduction awning for reducing direct light on the upper surface of the upper heat sink and the lower heat sink,
    스마트 접속반.smart connection panel.
  8. 제1항에 있어서,According to claim 1,
    상기 접속반 본체의 전도 방지를 위한 앙카 수단을 제공하고, 전력선 및 접지선 중 적어도 하나의 입출 작업 및 보수 작업을 위해 탈착이 가능하게 구비된 유지 보수용 덮개 및 손잡이A maintenance cover and handle provided to provide an anchor means for preventing the connection panel body from falling, and to be detachably provided for entry/exit and maintenance of at least one of the power line and the grounding wire.
    를 더 포함하는,further comprising,
    스마트 접속반.smart connection panel.
PCT/KR2020/016986 2020-05-19 2020-11-26 Smart connection board for photovoltaic device WO2021235632A1 (en)

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KR102449104B1 (en) * 2022-06-02 2022-09-29 이에스솔라 주식회사 Solar junction box with fire extinguisher interlocking display function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150078393A (en) * 2013-12-30 2015-07-08 주식회사 케이디파워 Connection board for solar photovoltaic power generator
KR101651069B1 (en) * 2015-08-21 2016-08-25 한명전기주식회사 The connector band for photovoltaic power system
KR101844218B1 (en) * 2017-11-20 2018-04-02 보타리에너지㈜ Solar power generation system using smart combiner box
KR102077473B1 (en) * 2019-08-28 2020-02-14 원리솔루션 주식회사 junction box for solar power
KR102104876B1 (en) * 2019-12-20 2020-04-28 목포대학교산학협력단 Fire-prevention photovoltaic combine box using intelligent temperature prediction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150078393A (en) * 2013-12-30 2015-07-08 주식회사 케이디파워 Connection board for solar photovoltaic power generator
KR101651069B1 (en) * 2015-08-21 2016-08-25 한명전기주식회사 The connector band for photovoltaic power system
KR101844218B1 (en) * 2017-11-20 2018-04-02 보타리에너지㈜ Solar power generation system using smart combiner box
KR102077473B1 (en) * 2019-08-28 2020-02-14 원리솔루션 주식회사 junction box for solar power
KR102104876B1 (en) * 2019-12-20 2020-04-28 목포대학교산학협력단 Fire-prevention photovoltaic combine box using intelligent temperature prediction

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