WO2013089398A1 - Générateur utilisant les courants océaniques ou les courants de marée - Google Patents

Générateur utilisant les courants océaniques ou les courants de marée Download PDF

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Publication number
WO2013089398A1
WO2013089398A1 PCT/KR2012/010693 KR2012010693W WO2013089398A1 WO 2013089398 A1 WO2013089398 A1 WO 2013089398A1 KR 2012010693 W KR2012010693 W KR 2012010693W WO 2013089398 A1 WO2013089398 A1 WO 2013089398A1
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WO
WIPO (PCT)
Prior art keywords
current
power generation
frame
unit
ocean
Prior art date
Application number
PCT/KR2012/010693
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English (en)
Korean (ko)
Inventor
박지원
Original Assignee
Park Ji Won
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Filing date
Publication date
Application filed by Park Ji Won filed Critical Park Ji Won
Publication of WO2013089398A1 publication Critical patent/WO2013089398A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/10—Submerged units incorporating electric generators or motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/97—Mounting on supporting structures or systems on a submerged structure
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the present invention relates to a floating ocean current generator that uses the kinetic energy of the current as an energy source, and more specifically, is produced by combining with a buoy floating on the sea surface, so that the floating body is exposed to the surface of the ship, It does not affect the fishing behavior, there is no limit on the depth of water, it is possible to continuously develop regardless of the weather throughout the year, and the central axis is located parallel to the direction of the current, which is clean energy.
  • the present invention relates to an ocean current generator that can generate energy as an energy source.
  • Conventional power generation includes thermal power generation using fossil fuels, hydroelectric power using positional energy, wind power using kinetic energy of wind, solar power using solar energy, nuclear power using nuclear fission, and wave energy.
  • Wave power generation as a source ocean temperature differential generation using the temperature difference according to the depth of the current, tidal power generation using the difference between tides, and current generation using the current as the energy source due to the difference of tidal currents and the topography.
  • thermal power generation and hydropower generation require enormous construction costs, and thermal power generation causes pollution problems due to fossil energy. Secondary environmental problems that change the climate are also being raised. In addition, wind and solar power are governed by the effects of weather conditions, so the power generation system can be operated in the absence of wind and when solar radiation is blocked. none.
  • Nuclear power generation is subject to enormous costs in investing in facilities to block radiation leaks and incurring enormous costs in waste disposal, and in the event of a single accident, serious environmental damage can occur. There is always a risk.
  • Wave power generation and ocean temperature differential generation have a problem that it is difficult to apply universally because the area suitable for the location conditions is quite limited.
  • Tidal power generation is a method of generating water by using water level difference by blocking seawater and bay in the area where tidal differences occur, and confining seawater and installing a water generator.
  • the tidal power generation can predict the change of tides when the place of power generation is determined, and there is an advantageous aspect of clean energy, but it devastates tidal flats and requires a huge area, which has a huge impact on the marine environment, and can actually be used.
  • the minimum effective drop for energy conversion is about 5 m, and the system must be installed in a location where at least about 5 m of tide occurs. To achieve greater efficiency, the difference between tidal points on different sides of the dam It must be large.
  • current generation is advantageous over other power generation systems in that it uses a clean energy source that is free of pollution while continuing to generate power regardless of weather changes.
  • the current generation system includes an internal current generation system installed inside the breakwater, which is formed from a generator module inside the tunnel by forming a tunnel in the breakwater, a fixed bottom ocean current generation system attached to a support fixed to the bottom, and a floating body floating on the sea surface. Floating current generation system attached to the.
  • the algae generators which are generated using the existing kinetic energy of the algae, can be installed only at relatively high speed places such as excessive auxiliary facilities and structures, and the installation site is restricted.
  • the power generation apparatus using the current or current according to the present invention does not require excessive auxiliary facilities, it is possible to install even in a relatively slow flow rate to provide an ocean current or algae generating apparatus without limitation of the installation place.
  • the present invention provides a power generation device using a current or a current that has high power generation efficiency and provides a sufficient amount of power generation.
  • a power generation apparatus using an ocean current or a tidal current according to the present invention for solving the above problems is an anchor portion provided on the seabed; A marine floating portion that is fixed to the anchor portion and floating in a predetermined position on the sea; A current concentrating induction part which is supported by the anchor part and the sea floating part and is located in the water to concentrate the current; It is characterized in that it comprises a power generation unit provided at one end of the current concentration concentration induction to generate electricity by the flow of sea water.
  • the current concentration induction portion is characterized in that the cross-sectional area of the outflow area of the sea water is smaller than the cross-sectional area of the inflow area of the sea water based on the flow direction of the sea water.
  • the anchor portion, the sea portion floating portion and the current concentration induction portion are each mutually bound by a support portion, by adjusting the length of the support portion can adjust the position of the current concentration induction portion.
  • the marine floating portion is characterized in that it comprises a first length adjustment motor for adjusting the length of the support.
  • At least one of the current concentration inducing unit or the power generation unit is provided with a buoyancy generating unit, the current concentration inducing unit is stably maintained in the water.
  • the power generation unit includes a power generation frame and a blade installed in the power generation frame and rotated by the seawater introduced by the current concentrating induction unit, an air tank provided in the power generation frame, and a generator to generate electricity by rotation of the blade. .
  • the current concentration induction portion inlet formed by a pair of horizontal frame which is installed side by side on the inflow region side of the seawater and a pair of vertical frame interconnecting the horizontal frame, the side portion attached to the inlet and the side portion It is provided at one end and comprises an outlet for guiding the seawater to the power generation unit, at least one of the horizontal frame and the vertical frame is provided to be stretchable or deformable.
  • the side frame is provided with a rope, and has a second length adjusting motor for adjusting the length of the side frame between the horizontal frame to adjust the spacing of the horizontal frame, the side portion is provided with a stretchable material It is characterized by.
  • the power generation apparatus using the current or the current according to the present invention by the above-described configuration does not require excessive auxiliary facilities, it is possible to install even in a relatively slow flow rate is provided with an ocean current or algae generating apparatus without restrictions of the installation place.
  • a power generation device that uses high current efficiency, provides a sufficient amount of power generation, can be easily repaired when an abnormality occurs in the device, and uses currents or tidal currents in which time and equipment can be inputted during repair.
  • FIG. 1 is a schematic view showing a power generation apparatus using the current or current according to the present invention
  • FIG. 2 is a schematic view showing a modification of the power generation apparatus using the current or current according to the present invention
  • FIG. 3 is a schematic view showing an anchor of a power generation device using the current or current according to the present invention
  • Figure 4 is a schematic diagram showing the current concentration concentration portion of the power generation apparatus using the current or current according to the present invention
  • FIG. 5 is a front view showing the current concentration induction portion and the power generation portion of the power generation apparatus using the current or current according to the present invention
  • FIG. 6 is a schematic view showing a power generation unit of the power generation apparatus using the current or current according to the present invention
  • Figure 7 is a schematic diagram showing a case in which the power generation device using the current or current according to the present invention coupled to the cage farm,
  • Figure 8 is a schematic diagram showing an example of the installation of the support according to the direction change and strength of the current or current of the power generation apparatus using the current or current according to the present invention
  • Figure 9 is a schematic diagram showing another embodiment of the current concentration inducing unit of the power generation apparatus using the current or current according to the present invention.
  • the power generation apparatus using the current or the current according to the present invention is an offshore floating part that is fixed to the anchor portion (1), the anchor portion (1) provided on the seabed and fixedly floating at a predetermined position on the sea (2) is provided at one end of the current concentrating portion (3) and the current concentrating portion (3), which is supported by the anchor portion (1) and the sea floating portion (2), which is located in the water and concentrates the current. It is composed of a power generation unit 4 for generating electricity by means of an anchor portion 1, an offshore floating portion 2, and a support portion 5 for mutually supporting the current concentrating induction portion 3.
  • FIG. 2 is a schematic diagram showing a modification of the power generation apparatus using the current or current according to the present invention.
  • a modification of the power generation apparatus using the current or the current according to the present invention is generated from the current concentration induction part 3 and the power generation part 4 connected to the plurality of floating ships 2 and the cable 9
  • the ground control station 7 may be configured to the structure to supply to the outside through the transmission tower (8).
  • FIG. 3 is a schematic diagram showing the anchor of the power generation device using the current or current according to the present invention.
  • the anchor portion 1 is fixed to the bottom surface of the seabed to stably support the entire apparatus.
  • the anchor part 1 has a fixed station 11 fixed to the sea bottom and a fixed part 12 installed in the fixed station 11 and connected to the support part 5.
  • the maritime floating part 2 is provided on the sea surface and is provided with a control room (not shown) for guiding the position of the apparatus at sea and controlling the apparatus as a whole.
  • a first length adjustment motor (not shown) and a second length adjustment motor (not shown) are hardly provided in the water.
  • FIG 4 is a schematic diagram showing the current concentration concentration portion of the power generation apparatus using the current or current according to the present invention
  • Figure 5 is a front view showing the current concentration concentration portion and the power generation portion of the power generation apparatus using another current or current in the present invention.
  • the current flow concentration guide portion 3 is composed of an inlet 31, an outlet 33 and the side portion 32 to guide the current to the power generation unit (4).
  • the inlet 31 is composed of a horizontal frame 36 and a vertical frame 37 where the current flows.
  • the horizontal frame 36 is provided in parallel with each other in a bar shape.
  • the vertical frame 37 is provided with a rope to support the horizontal frame 36.
  • the rope 37 supporting the horizontal frame 36 adjusts the interval of the horizontal frame 36 by the second length adjustment motor. Therefore, the cross-sectional area of the inlet 31 can be adjusted according to the situation.
  • the side portion 32 guides the incoming seawater to the outlet 33.
  • the cross-sectional area of the inlet 31 is provided with a stretchable material, the seawater can be stably guided toward the outlet 33 by being stretched accordingly.
  • the outlet 33 supplies the inflowing seawater to the power generation unit 4. Therefore, as a whole, the current concentration induction part 3 may have a shape such as a cone, a square pyramid, and a funnel.
  • FIG. 6 is a schematic view showing a power generation unit of the power generation apparatus using the current or current according to the present invention.
  • the power generation unit 4 is connected to the outlet 33 of the current concentration concentration guide (3).
  • power is generated in the power generation unit 4 by seawater supplied from the current concentration concentration guide unit 3.
  • the power generation unit 4 is installed on the power generation frame 41 and the power generation frame 41 and rotated by the sea water 42 and the power generation frame 41 so as to stably position the power generation unit 4 in the water.
  • the buoyancy generator 44 is composed of.
  • the power generation frame 41 is provided in a circular shape, and a blade 42 is installed inside the power generation frame 41.
  • the buoyancy generator 44 is provided at a predetermined position of the power generation frame 41. At this time, the buoyancy generating unit 44 is provided to correspond to each other based on the center of the power generation frame 41, the power generation unit 4 and the current concentration induction unit 3 can be stably positioned while maintaining the center in the water. . Here, two at the top of the power generation frame 41 and one at the bottom center are provided.
  • the support part 5 is provided with a rope.
  • the support part 5 connects each of the anchor part 1 and the current concentration inducing part 3, the current concentration induction part 3 and the marine part floating part 2, the marine part floating part 2 and the anchor part 1, respectively.
  • the support portion (4) is connected to the first length control motor (not shown), the operation of the first length adjustment motor (not shown) by the anchor portion (1), current concentration induction portion (3), offshore floating portion (2) Each interval can be adjusted so that the position of the current concentration induction part 3 can be adjusted according to the situation.
  • the first length control motor and the second length control motor are installed in the sea floating part (1). As described above, the first length control motor adjusts the length of the support part 5, and the second length control motor adjusts the length of the rope, which is the vertical frame 37 of the current concentration concentration guide part 3, respectively. That is, the length of the rope is adjusted by winding or unwinding each rope.
  • the theoretical basis in the present invention is Bernoulli's theorem, which is the basis of hydrodynamics, in which the fluid increases in velocity through narrow passages and decreases in velocity through wide passages.
  • Bernoulli's theorem the basis of hydrodynamics, in which the fluid increases in velocity through narrow passages and decreases in velocity through wide passages.
  • the current concentration inducing portion 3 supported by the anchor portion 1 and the marine floating portion 2 has a cross-sectional area of the inlet 31 greater than that of the outlet 33 so that the velocity of the incoming seawater is the current concentration inducing portion 3. Faster). Therefore, the blade 42 of the power generation unit 4 can rotate due to the faster flow rate. Therefore, it is possible to generate power even in a region where the flow velocity is not high.
  • the position of the current concentration induction portion 3 is able to change the position in the water according to the length of the rope that is the support portion (5). That is, when the first length control motor is operated to adjust the length of the rope 5, the position of the current concentration induction part 3 connected to each other by the rope 5 may be changed. That is, since the flow velocity is different from each other depending on the depth of the water flow concentration guide portion 3 can be located in the optimum position by adjusting the length of the rope (5) to a depth having a sufficient flow rate.
  • the cross-sectional area of the inlet 31 of the current concentration concentration guide 3 can be changed according to the length of the vertical frame 37. That is, by adjusting the length of the rope 37 supporting the horizontal frame 36 by using the second length adjusting motor, the distance between the pair of horizontal frame 36 is adjusted to adjust the cross-sectional area of the inlet 31. Can be. If the flow rate is very fast, the cross-sectional area of the inlet 31 can be made small so as to achieve an optimal power generation efficiency. If the flow rate is slightly slow, a sufficient flow rate can be obtained from the outlet 33 by increasing the cross-sectional area of the inlet 31. Accordingly, the power generation efficiency can be improved by rotating the blade 42 stably at all times.
  • the anchor portion 1, the sea floating portion 2, and the current concentration inducing portion 3 are connected to form a triangle by the support portion 5, so that the force applied to the current concentration inducing portion 3 is applied to the support portion 5.
  • the generator using the current or current according to the present invention can be installed in combination with the cage farm 6 located in the water, as shown in FIG. That is, the cage cage 6 and the inflow port 31 of the current concentration induction portion 3 can be installed in combination with each other.
  • the offshore floating part of the cage farm 6 can be used, which enables efficient installation.
  • Figure 8 is a schematic diagram showing an example of the installation of the support according to the direction change and strength of the current or current of the power generation device using the current or current according to the present invention.
  • the support 5 may be designed differently in consideration of the change in the direction of the current or current of the sea area to be installed. That is, as shown in Figure 8 (a), in the case where the direction of the current or current is not changed, it is necessary to install each of the support portion 5 connected to both ends of the current concentration induction portion 3 in different support structures desirable.
  • Figure 9 is a schematic diagram showing another embodiment of the current concentration inducing unit of the power generation apparatus using the current or current according to the present invention.
  • the current concentrating guide portion of the power generation device using the current or current of the present invention tank having a receiving space formed inside the vertical frame (37 ') to be filled with water or sand, etc.
  • the load or buoyancy applied to the vertical frame 37' may be adjusted.
  • the power generation apparatus using the current or the current according to the present invention does not require excessive auxiliary facilities, it is possible to install even in a relatively slow flow rate is provided with an ocean current or algae generating apparatus without limitation of the installation place.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

La présente invention concerne un générateur utilisant les courants océaniques ou les courants de marée, le générateur comprenant : un élément ancre situé sur le plancher océanique ; un élément flottant combiné à l'élément ancre et flottant dans une certaine position fixe sur l'océan ; un élément d'entraînement de concentration de courant océanique supporté par l'élément ancre et l'élément flottant sur l'océan de manière à être positionné sous l'eau afin de concentrer le courant océanique ; et un élément générateur situé sur une première extrémité de l'élément d'entraînement de concentration de courant océanique pour produire de l'électricité à partir de l'écoulement de l'eau océanique. En conséquence, l'invention propose un générateur qui utilise les courants océaniques ou les courants de marée afin de produire de l'électricité même dans des régions où les courants océaniques sont lents.
PCT/KR2012/010693 2011-12-12 2012-12-10 Générateur utilisant les courants océaniques ou les courants de marée WO2013089398A1 (fr)

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KR10-2011-0133009 2011-12-12
KR1020110133009A KR20130066258A (ko) 2011-12-12 2011-12-12 해류 또는 조류를 이용하는 발전장치

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Cited By (3)

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CN113482842A (zh) * 2021-07-27 2021-10-08 潍坊新力蒙水产技术有限公司 一种双向海流发电系统
CN114109709A (zh) * 2021-10-18 2022-03-01 潍坊新力蒙水产技术有限公司 一种双向聚能水流发电装置的加强装置
US11319920B2 (en) 2019-03-08 2022-05-03 Big Moon Power, Inc. Systems and methods for hydro-based electric power generation

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KR101599708B1 (ko) * 2015-03-18 2016-03-04 이동인 잠수형 발전 플랫폼
JP6478362B1 (ja) * 2018-09-05 2019-03-06 義英 土橋 浮き生簀式海流発電装置
KR102561045B1 (ko) 2021-10-07 2023-07-27 김성식 조류유도수압관로 및 조류발전관로터빈을 이용한 조류발전장치

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Publication number Priority date Publication date Assignee Title
US11319920B2 (en) 2019-03-08 2022-05-03 Big Moon Power, Inc. Systems and methods for hydro-based electric power generation
US11835025B2 (en) 2019-03-08 2023-12-05 Big Moon Power, Inc. Systems and methods for hydro-based electric power generation
CN113482842A (zh) * 2021-07-27 2021-10-08 潍坊新力蒙水产技术有限公司 一种双向海流发电系统
CN114109709A (zh) * 2021-10-18 2022-03-01 潍坊新力蒙水产技术有限公司 一种双向聚能水流发电装置的加强装置

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