CN109818555B - Photovoltaic power generation platform for energy storage power station - Google Patents

Photovoltaic power generation platform for energy storage power station Download PDF

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Publication number
CN109818555B
CN109818555B CN201910219259.8A CN201910219259A CN109818555B CN 109818555 B CN109818555 B CN 109818555B CN 201910219259 A CN201910219259 A CN 201910219259A CN 109818555 B CN109818555 B CN 109818555B
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China
Prior art keywords
photovoltaic
connecting rod
energy storage
plug
rod
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CN201910219259.8A
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Chinese (zh)
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CN109818555A (en
Inventor
黄健
王洪博
肖仁军
陈鑫
夏鑫
李新煜
刘小明
孙召辉
尹悦
刘晓雯
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State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
Shandong Taishan Pumped Storage Power Station Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Xinyuan Co Ltd
Shandong Taishan Pumped Storage Power Station Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Xinyuan Co Ltd, Shandong Taishan Pumped Storage Power Station Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201910219259.8A priority Critical patent/CN109818555B/en
Publication of CN109818555A publication Critical patent/CN109818555A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The invention discloses a photovoltaic power generation platform for an energy storage power station, which relates to the field of photovoltaic power generation and comprises a floating platform arranged on the water surface of an energy storage reservoir, a photovoltaic electric plate arranged on the floating platform and an electric storage system electrically connected with the photovoltaic electric plate, wherein the floating platform comprises a plurality of rows of floating channels, each floating channel is mainly formed by splicing a plurality of floating pontoons end to end, two adjacent rows of floating pontoons are connected through connecting rods, and a moving mechanism and a connecting rod are arranged on the connecting rods and are respectively connected with the photovoltaic electric plate. The device has the advantages of simple structure, reasonable design and convenient use. The stability is guaranteed, and meanwhile, the angle of the photovoltaic panel is adjusted through the moving mechanism, so that the convenience of adjustment is improved, and the working efficiency of the photovoltaic panel is improved.

Description

Photovoltaic power generation platform for energy storage power station
Technical Field
The invention relates to the field of water power generation, in particular to a photovoltaic power generation platform for an energy storage power station.
Background
Solar energy is inexhaustible renewable energy for human beings, and a power generation mode for directly converting solar energy into electric energy by utilizing a solar cell is called photovoltaic power generation. For the energy storage power station, because the energy storage reservoir is basic, and a large amount of space is left on the reservoir, the water photovoltaic electric energy is set, the energy acquisition efficiency can be further improved, and the original energy acquisition way of the energy storage power station is expanded.
When the photovoltaic panel is arranged, the angle of the photovoltaic panel needs to be comprehensively set according to the longitude and latitude, the solar intensity and other aspects so as to achieve better use efficiency. Most of the existing power generation platforms have the defects that the photovoltaic electric plates are fixedly arranged, and great inconvenience exists when the inclination angles of the photovoltaic electric plates are adjusted.
Disclosure of Invention
Aiming at the technical problems, the invention provides a photovoltaic power generation platform for an energy storage power station.
The technical scheme is that the floating platform comprises a floating platform arranged on the water surface of an energy storage reservoir, a photovoltaic electric plate arranged on the floating platform and an electric storage system electrically connected with the photovoltaic electric plate, and is characterized in that the floating platform comprises a plurality of rows of floating channels which are mutually connected, each floating channel is mainly formed by splicing a plurality of floating pontoons end to end, two adjacent rows of floating pontoons are connected through connecting rods, a moving mechanism is arranged on each connecting rod, and the moving mechanism and the connecting rods are respectively connected with the back surfaces of the photovoltaic electric plates.
Further, the moving mechanism comprises racks which are oppositely arranged on two sides of the upper portion of the connecting rod, inserting blocks are symmetrically arranged between the two racks, the inserting blocks correspond to the intervals of teeth of the racks, and the inserting blocks are connected with locking structures for controlling the inserting blocks to be pulled and inserted.
Further, the locking structure comprises a shell, the shell is in sliding connection with the connecting rod, the plug block penetrates through the shell, and a plug pin capable of being inserted between the two plug blocks is arranged in an inner cavity of the shell.
Further, the bolt inserts the one end between the inserted block is frustum form, and the other end is connected with the knob, the knob is located the shell inner chamber, knob one end with the bolt rotates to be connected, and the other end is provided with rectangular form boss, the length of boss is greater than the diameter of knob, the shell with knob sliding connection, the lateral wall of shell is provided with circular through-hole, the through-hole level is provided with rectangular form breach, the size of breach with the boss size equals, the boss passes the breach.
Furthermore, the insert is provided with a spring in a surrounding manner, one end of the spring is fixedly connected with the insert, and the other end of the spring is fixedly connected with the inner wall of the shell.
Further, the connecting rod comprises an inner rod and an outer rod, the inner rod and the outer rod are respectively connected with two adjacent rows of pontoons, the outer rod is in threaded connection with the outer rod, and the moving mechanism is connected with the outer rod.
Further, the upper portion of the shell is connected with a supporting rod, one end of the supporting rod is hinged to the shell, the other end of the supporting rod is hinged to the upper portion of the back face of the photovoltaic panel, and the bottom of the photovoltaic panel is hinged to the inner rod.
Further, the supporting rod is a shock absorbing rod provided with a damper.
Further, the connecting rod both ends respectively with adjacent two rows the flotation pontoon ball hinge is connected, the flotation pontoon is close to offer the shrinkage pool on the lateral wall of connecting rod, the tip of connecting rod with the inner wall department ball hinge of shrinkage pool is connected, the shrinkage pool is located the outside end of flotation pontoon is provided with annular elastic pad.
The beneficial effects of the scheme can be known according to the description of the scheme: the photovoltaic power generation platform is convenient to adjust the setting angle of the photovoltaic panel while guaranteeing the stability of the photovoltaic panel. The photovoltaic panel inclination angle adjusting device is simple in structure and reasonable in design, the convenience of adjusting the photovoltaic panel inclination angle is improved, and the photovoltaic power generation efficiency is improved. The power generation platform is provided with the floating channel, so that the daily maintenance and repair work of the photovoltaic panel by workers are facilitated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.
Fig. 2 is a partial enlarged view of a in fig. 1.
Fig. 3 is a schematic diagram of the overall structure of the second embodiment of the present invention.
Fig. 4 is a schematic diagram showing the positional relationship between the moving mechanism and the connecting rod in the locked state.
Fig. 5 is a schematic diagram showing the positional relationship of the structures in the housing cavity in the locked state.
Fig. 6 is a schematic view of the moving mechanism when the support rod is moved.
Fig. 7 is a front view of the housing.
Fig. 8 is a cross-sectional view taken along section line A-A in fig. 7.
Wherein, the reference numerals are as follows: 1. a floating platform; 101. a pontoon; 102. a connecting rod; 1021. an inner rod; 1022. an outer rod; 2. a photovoltaic panel; 3. a moving mechanism; 301. a rack; 302. inserting blocks; 303. a locking structure; 3031. a housing; 3032. a plug pin; 3033. a rotary knob; 304. a spring; 4. and (5) supporting the rod.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
Referring to fig. 1 to 8, the invention provides a photovoltaic power generation platform for an energy storage power station, which comprises a floating platform 1 arranged on the water surface of an energy storage reservoir, a photovoltaic electric plate 2 arranged on the floating platform 1, and an electric power storage system electrically connected with the photovoltaic electric plate 2, wherein the floating platform 1 comprises a plurality of rows of floating channels which are mutually connected, each floating channel is mainly formed by splicing a plurality of floating pontoons 101 end to end, two adjacent rows of floating pontoons 101 are connected through a connecting rod 102, a moving mechanism 3 is arranged on the connecting rod 102, and the moving mechanism 3 and the connecting rod 102 are respectively connected with the back surface of the photovoltaic electric plate 2.
The moving mechanism 3 comprises racks 301 oppositely arranged on two sides of the upper portion of the connecting rod 102, inserting blocks 302 are symmetrically arranged between the two racks 301, the inserting blocks 302 correspond to the tooth spaces of the racks 301, and the inserting blocks 302 are connected with locking structures 303 for controlling the inserting blocks 302 to be inserted.
The locking structure 303 includes a housing 3031, the housing 3031 being slidably coupled to the connector rod 102, the plug 302 passing through the housing 3031, the housing 3031 having an interior cavity provided with a plug 3032 capable of being inserted between the two plug 302.
One end of the plug 3032 inserted between the insert blocks 302 is tapered so that the plug 3032 can be better inserted between the two insert blocks 302, and the other end is connected with a knob 3033. The knob 3033 is located within the interior cavity of the housing 3031 and is slidably coupled to the housing 3031. One end of the rotary button 3033 is rotationally connected with the plug 3032, the other end of the rotary button is provided with a strip-shaped boss, the length of the boss is larger than the diameter of the rotary button 3033, the side wall of the housing 3031 is provided with a circular through hole, a strip-shaped notch is horizontally arranged on the through hole, the size of the notch is equal to that of the boss, and the boss penetrates through the notch. The diameter of the cavity of the inner cavity of the housing 3031 near the through hole is larger than the length of the boss, and the thickness of the cavity is equal to the thickness of the boss. When the knob 3033 pushes the plug 3032 to enter between the two plug blocks 302, after the plug blocks 302 are inserted into the rack 301 to be locked, the boss is also positioned in the inner cavity of the housing 3031, the knob 3033 is rotated, the boss is vertically clamped in the inner cavity of the housing 3031, and the locking structure 303 is locked, so that the stability of the whole structure is improved.
The insert block 302 is provided with a spring 304 in a surrounding manner, one end of the spring 304 is fixedly connected with the insert block 302, and the other end of the spring 304 is fixedly connected with the inner wall of the housing 3031.
The connecting rod 102 includes an inner rod 1021 and an outer rod 1022, the inner rod 1021 and the outer rod 1022 are respectively connected to the adjacent two rows of pontoons 101, the outer rod 1021 is screwed to the outer rod 1022, and the moving mechanism 3 is connected to the outer rod 1022.
The upper portion of shell 3031 is connected with bracing piece 4, and bracing piece 4 one end is articulated with shell 3031, and the other end is articulated with photovoltaic panel 2 back upper portion, and photovoltaic panel 2's bottom is articulated with interior pole 1021.
The support rod 4 is a shock-absorbing rod provided with a damper. The influence of wind direction and waves on the photovoltaic panel is reduced, and the stability is improved.
The both ends of connecting rod 102 are connected with the pontoon 101 ball pivot of adjacent two rows respectively, and the pontoon 101 is close to and has offered the shrinkage pool on the lateral wall of connecting rod 102, and the tip of connecting rod 102 is connected with the inner wall department ball pivot of shrinkage pool, and the shrinkage pool is located the outside end of pontoon 101, is provided with annular elastic pad. The elastic pad is made of rubber. When the platform receives the influence of the wind and wave on the water, the platform can move relatively in a certain range and play a role in buffering and damping, so that the influence of the wind and wave on the platform is reduced.
When in use, the pontoons 101 are spliced in a tail mode, and two adjacent rows of pontoons 101 are connected through the connecting rod 102, so that the pontoon 1 is formed. The bottom of photovoltaic panel 2 articulates with interior pole 1021, and photovoltaic panel 2 top articulates the one end of bracing piece 4, and the other end of bracing piece 4 articulates shell 3031. In the locked state, the knob 3033 is located in the inner cavity of the housing 3031, the plug 3032 is located between the two plug 302, and the plug 302 is pressed, so that the plug 302 is engaged with the rack 301, and the spring 304 is in a compressed state. When the angle of the photovoltaic panel 2 needs to be adjusted, the knob 3033 is pinched by hand and rotated to rotate the boss of the knob 3033 to a horizontal state, so that the knob 3033 is pulled out from the inner cavity of the housing 3031 along the through hole, the plug 3032 moves along with the knob 3033, the plug 3032 is pulled away from between the two plug blocks 302, the spring 304 is reset and drives the plug blocks 302 to move towards each other, the plug blocks 302 are separated from the rack 301, the housing 3031 is moved at this time, after the photovoltaic panel 2 is adjusted to a set angle, the knob 3033 is pushed to the inner cavity of the housing 3031, then the knob 3033 is rotated, so that the knob 3033 cannot be pulled out from the housing 3031, at this time, the plug 3032 is reinserted between the two plug blocks 302, and the plug blocks 302 are meshed with the rack 301 to form a locking state.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (6)

1. The utility model provides a photovoltaic power generation platform for energy storage power station, includes floating platform (1) that sets up on the energy storage reservoir surface of water, photovoltaic electric plate (2) that set up on floating platform (1), and the electric power storage system who is connected with photovoltaic electric plate (2), its characterized in that, floating platform (1) include a plurality of rows of interconnect's float passageway, float passageway mainly by a plurality of buoys (101) end to end and splice and form, adjacent two rows between pontoon (101) are connected through connecting rod (102), connecting rod (102) include interior pole (1021) and outer pole (1022), be provided with moving mechanism (3) on connecting rod (102), moving mechanism (3) and connecting rod (102) respectively with the back of photovoltaic electric plate (2);
the moving mechanism (3) comprises racks (301) which are oppositely arranged on two sides of the upper part of the connecting rod (102), inserting blocks (302) are symmetrically arranged between the two racks (301), the inserting blocks (302) correspond to the intervals between teeth of the racks (301), and the inserting blocks (302) are connected with a locking structure (303) for controlling the inserting blocks (302) to be inserted and withdrawn;
the locking structure (303) comprises a shell (3031), the shell (3031) is in sliding connection with the connecting rod (102), the plug block (302) penetrates through the shell (3031), and a plug pin (3032) capable of being inserted between the two plug blocks (302) is arranged in an inner cavity of the shell (3031);
the plug is characterized in that one end of the plug (3032) is inserted between the plug blocks (302) in a frustum shape, the other end of the plug is connected with a rotary button (3033), the rotary button (3033) is located in an inner cavity of the shell (3031), one end of the rotary button (3033) is rotationally connected with the plug (3032), a strip-shaped boss is arranged at the other end of the rotary button, the length of the boss is larger than the diameter of the rotary button (3033), the shell (3031) is in sliding connection with the rotary button (3033), a circular through hole is formed in the side wall of the shell (3031), a strip-shaped notch is horizontally arranged in the through hole, the size of the notch is equal to that of the boss, and the boss penetrates through the notch.
2. The photovoltaic power generation platform for the energy storage power station according to claim 1, wherein the insertion block (302) is circumferentially provided with a spring (304), one end of the spring (304) is fixedly connected with the insertion block (302), and the other end of the spring (304) is fixedly connected with the inner wall of the housing (3031).
3. The photovoltaic power generation platform for an energy storage plant according to claim 1, wherein the inner rod (1021) and the outer rod (1022) are respectively connected to two adjacent rows of pontoons (101), the inner rod (1021) is screwed to the outer rod (1022), and the moving mechanism (3) is connected to the outer rod (1022).
4. The photovoltaic power generation platform for an energy storage power station according to claim 1, wherein a supporting rod (4) is connected to the upper portion of the housing (3031), one end of the supporting rod (4) is hinged to the housing (3031), the other end of the supporting rod is hinged to the upper portion of the back surface of the photovoltaic panel (2), and the bottom of the photovoltaic panel (2) is hinged to the inner rod (1021).
5. The photovoltaic power generation platform for an energy storage plant according to claim 4, characterized in that the support bar (4) is a shock absorbing bar provided with a damper.
6. The photovoltaic power generation platform for an energy storage power station according to any one of claims 1 to 5, wherein two ends of the connecting rod (102) are respectively in spherical hinge connection with two adjacent rows of pontoons (101), concave holes are formed in the side walls of the pontoons (101) close to the connecting rod (102), the end parts of the connecting rod (102) are in spherical hinge connection with the inner walls of the concave holes, the concave holes are located at the outer side ends of the pontoons (101), and annular elastic pads are arranged.
CN201910219259.8A 2019-03-21 2019-03-21 Photovoltaic power generation platform for energy storage power station Active CN109818555B (en)

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* Cited by examiner, † Cited by third party
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CN110696983B (en) * 2019-10-24 2021-09-28 河海大学 Floating body connecting device
CN112688629B (en) * 2020-12-30 2023-02-17 国网山东省电力公司青岛供电公司 Photovoltaic solar panel array power generation matching device
CN113120161A (en) * 2021-04-28 2021-07-16 中国三峡新能源(集团)股份有限公司 Anchoring system of floating photovoltaic power generation platform and construction method thereof
CN114834621B (en) * 2022-04-25 2023-03-24 浙江省水利河口研究院(浙江省海洋规划设计研究院) Unmanned ship working by light wave complementation

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101324302B1 (en) * 2013-02-20 2013-10-30 박창호 The solar power equipment using an idleness public surface
CN204145375U (en) * 2014-10-28 2015-02-04 山东硕华科技有限公司 A kind of water surface photovoltaic power station
CN204442234U (en) * 2015-02-09 2015-07-01 江苏旭日新能源科技发展有限公司 Float on the photovoltaic bracket on the water surface
CN207074968U (en) * 2017-08-01 2018-03-06 安徽天能清洁能源科技有限公司 A kind of float-type floats photovoltaic bracket
CN108063046A (en) * 2017-01-06 2018-05-22 储德姣 A kind of safe electric power network transformer drum type brake winding Intelligent Machining System
CN207392075U (en) * 2017-09-28 2018-05-22 张岩 A kind of town road lanyard of fixation
CN207950402U (en) * 2018-02-07 2018-10-12 西安鹿儿岛电子科技有限公司 A kind of fire-fighting lance auxiliary stand

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101324302B1 (en) * 2013-02-20 2013-10-30 박창호 The solar power equipment using an idleness public surface
CN204145375U (en) * 2014-10-28 2015-02-04 山东硕华科技有限公司 A kind of water surface photovoltaic power station
CN204442234U (en) * 2015-02-09 2015-07-01 江苏旭日新能源科技发展有限公司 Float on the photovoltaic bracket on the water surface
CN108063046A (en) * 2017-01-06 2018-05-22 储德姣 A kind of safe electric power network transformer drum type brake winding Intelligent Machining System
CN207074968U (en) * 2017-08-01 2018-03-06 安徽天能清洁能源科技有限公司 A kind of float-type floats photovoltaic bracket
CN207392075U (en) * 2017-09-28 2018-05-22 张岩 A kind of town road lanyard of fixation
CN207950402U (en) * 2018-02-07 2018-10-12 西安鹿儿岛电子科技有限公司 A kind of fire-fighting lance auxiliary stand

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
一体式漂浮光伏发电站子方阵优化设计;吴月仪 等;《太阳能》;第1卷(第1期);全文 *
水上光伏电站应用技术与解决方案;孙杰;《太阳能》;第1卷(第6期);全文 *

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