CN113014188B - Outdoor electric power cabinet system based on solar energy power generation - Google Patents

Outdoor electric power cabinet system based on solar energy power generation Download PDF

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Publication number
CN113014188B
CN113014188B CN202110351279.8A CN202110351279A CN113014188B CN 113014188 B CN113014188 B CN 113014188B CN 202110351279 A CN202110351279 A CN 202110351279A CN 113014188 B CN113014188 B CN 113014188B
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China
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power
solar cell
cell panel
solar
electricity
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CN202110351279.8A
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Chinese (zh)
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CN113014188A (en
Inventor
朱孟达
朱礼吉
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Jiangxi Deyi Intelligent Power Co ltd
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江西德伊智能电力有限公司
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Publication of CN113014188A publication Critical patent/CN113014188A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/20Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303Bases or feet
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306Accessories, e.g. windows
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00Supporting structures for PV modules
    • H02S20/30Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10Cleaning arrangements
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention relates to the technical field of outdoor power cabinets, in particular to an outdoor power cabinet system based on solar power generation, which comprises a time relay, a power receiving device, a power transferring device, a power storing device and a power device, wherein the time relay is connected with the power receiving device; the time relay is connected with the electricity collecting device, the electricity converting device, the electricity storing device and the electric power device in a wired mode; the time relay can switch on and off the circuit of the electricity receiving device according to time; the electricity collecting device is used for collecting solar energy irradiated by the sun; the power conversion device is used for converting the solar energy of the power receiving device into electric energy; the power collecting device controls the motor to drive the rotating rod to rotate through the controller and drives the solar cell panel to rotate and match with the rotating rod, so that light beams emitted by the sun are guaranteed to be perpendicular to the end face of the solar cell panel all the time, the sunlight absorption efficiency of the solar cell panel is improved, and the solar power generation efficiency of the outdoor power cabinet is improved.

Description

Outdoor electric power cabinet system based on solar energy power generation
Technical Field
The invention relates to the technical field of outdoor power cabinets, in particular to an outdoor power cabinet system based on solar power generation.
Background
As an important electrical facility, an electric power cabinet is used for distributing electric energy to loads, providing protection, monitoring and control for the loads, and comprises an indoor electric power cabinet and an outdoor electric power cabinet; the electric power cabinet is a protection device which is applied to the field of electric power and provides normal work of electric power elements, and a plurality of functions can be added to the cabinet body of the electric power cabinet to ensure the stable operation of an electric power system; the solar energy clean energy is in the form of converting solar energy into heat energy, electric energy and the like, and no other pollution is generated in the energy conversion process; currently, the most used is silicon-based solar energy, and the photoelectric conversion efficiency is higher; due to the defects of the prior art, the irradiation angle of the sun to the solar cell panel changes along with the change of time in the day of sun irradiation, so that the energy of sunlight absorbed by the solar cell panel is influenced, and further the solar power generation efficiency of the outdoor power cabinet is influenced.
Some technical schemes related to an outdoor power cabinet system based on solar power generation also appear in the prior art, and for example, a chinese patent with application number CN201610513285.8 discloses an outdoor power cabinet based on solar power generation, which comprises a cabinet body, a solar cell panel and a storage battery, wherein a front door and a side door are arranged on the cabinet body, a window is arranged on the front door, and a yuma lock is arranged on both the front door and the side door; the solar cell panel is arranged at the top of the cabinet body, and the storage battery is arranged at the bottom of the cabinet body; the solar cell panel, the storage battery and the cabinet body are electrically connected with each other; the storage battery provides electric support for the electric power cabinet functional module; the solar cell panel is based on a dye-sensitized solar cell; the technical scheme can make full use of outdoor solar energy resources, provide additional energy support for the electric power cabinet and realize the temporary escape of the constraint function of the power grid; however, the technical scheme cannot solve the problem that the irradiation angle of the sun to the solar panel changes along with the change of time, so that the solar panel is influenced to absorb the energy of sunlight, the solar power generation efficiency of the outdoor power cabinet is influenced, and the limitation of the scheme is further caused.
In view of this, in order to overcome the above technical problems, the present invention provides an outdoor power cabinet system based on solar power generation, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an outdoor power cabinet system based on solar power generation, wherein a power receiving device in the outdoor power cabinet system controls a motor to drive a rotating rod to rotate through a controller and drive a solar cell panel to rotate through the rotating rod to be matched with the rotating rod, so that light beams emitted by the sun are always perpendicular to the end face of the solar cell panel, the sunlight absorption efficiency of the solar cell panel is improved, and the solar power generation efficiency of the outdoor power cabinet is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an outdoor power cabinet system based on solar power generation, which comprises a time relay, a power receiving device, a power conversion device, a power storage device and a power device, wherein the time relay is connected with the power receiving device; the time relay is connected with the electricity collecting device, the electricity converting device, the electricity storing device and the electric power device in a wired mode; the time relay can switch on and off the circuit of the electricity receiving device according to time; the electricity collecting device is used for collecting solar energy irradiated by the sun; the power conversion device is used for converting the solar energy of the power receiving device into electric energy; the power storage device is used for storing the electric energy converted by the power conversion device; the power device is used for distributing electric energy to the load and providing protection, monitoring and control for the load;
the power device comprises a power cabinet body and support legs; the support legs are fixedly connected to the lower end of the electric cabinet body; the electricity collecting device comprises a support plate, a solar panel and a controller; the power receiving device is positioned above the power device; the support plate is fixedly connected to the upper end of the electric power cabinet body; a rotating rod is rotatably connected between the two support plates; the rotating rod is fixedly connected with a solar cell panel; a motor is arranged on the outer wall of one of the support plates; the output shaft of the motor is connected with one end of the rotating rod; the controller is used for controlling the power receiving device to automatically operate;
when the outdoor power cabinet works, due to the defects of the prior art, the irradiation angle of the sun to the solar panel changes along with the change of time in a day of solar irradiation, so that the solar panel is influenced to absorb the energy of sunlight, and the solar power generation efficiency of the outdoor power cabinet is further influenced;
therefore, the time relay in the invention can switch on and off the circuit of the electricity collecting device according to the sunshine hours in different areas, for example, most areas in the middle of China are 6 a.m.: at 30 sunrise and at 6:00 sunset in the afternoon, the time relay transmits signals to the electricity collecting device every two hours, the controller in the electricity collecting device controls the motor to rotate, the rotating motor drives the fixedly connected rotating rod to rotate, the rotating rod drives the solar cell panel to rotate, so that the angle between the end face of the solar cell panel and the horizontal plane is changed, sunlight is guaranteed to vertically irradiate on the solar cell panel, the electricity collecting device transmits the collected electric energy to the electricity converting device, the electricity converting device converts the solar energy into the electric energy, the electricity converting device transmits the converted electric energy to the electricity storage device, and finally the electric energy in the electricity storage device is used by the electric power device;
the controller controls the motor to drive the rotating rod to rotate and the rotating rod to drive the solar cell panel to rotate and match, so that light beams emitted by the sun are always perpendicular to the end face of the solar cell panel, the sunlight absorption efficiency of the solar cell panel is improved, and the solar power generation efficiency of the outdoor power cabinet is improved.
Preferably, two opposite ends of the solar cell panel are fixedly connected with sliding strips; one end of the sliding strip is fixedly connected to the rotating rod, the other end of the sliding strip is fixedly connected to the limiting block, and the sliding strip is connected with the sliding block in a sliding mode; a scraping strip is fixedly connected between the two sliding blocks; the scraping strip is in contact with the end face of the solar cell panel; the during operation, change the stick and drive the solar cell panel motion in-process, the slider can slide along the draw runner under the effect of gravity, the slider slides the in-process and can drive the draw runner and remove, the draw runner in the removal is scraped solar cell panel's terminal surface to make impurity on the solar cell panel drop under the action of scraping of draw runner, and then prevent that impurity from influencing the absorption of solar cell to the sunlight, make the stability of receiving the electric installation obtain improving, and then improved the practical application effect of this system.
Preferably, the number of the solar panels is at least two; the two adjacent sliding blocks are connected through an elastic rope, and the distance between the two adjacent sliding blocks after the end surface of the solar cell panel is parallel to the horizontal plane is the closest; the during operation, it rotates the in-process to change the stick and drive corresponding solar cell panel, solar cell panel can drive corresponding slider and remove, thereby make the distance between two adjacent sliders change, so the stretch cord receives the dragging effect under the effect of slider, along with solar cell panel rotates, make one of them slider drive the strip of scraping be close to corresponding commentaries on classics stick motion, make another slider drive the strip of scraping and keep away from corresponding commentaries on classics stick motion, thereby the process of scraping impurity on solar cell panel has been accomplished, prevent that the slider and the gravity of scraping the strip are not enough to scrape the impurity on solar cell panel, make the stability of receiving the electric installation in this system further obtain improving.
Preferably, one surface of the scraping strip, which is close to the solar cell panel, is provided with a groove; the scraping block is connected in the groove in a sliding manner, and a spring is also arranged in the groove; one end of the spring is connected with the bottom of the groove, and the other end of the spring is connected with the scraping block; the during operation, the slider drives scrapes the strip and scrapes the in-process to the impurity on the solar cell panel, the slider also can drive and scrape piece and spring removal, scrape the elastic force effect that the piece also can receive the spring when removing, thereby make and scrape the piece and support the terminal surface at solar cell panel under the effect of spring, and then guaranteed to scrape the dynamics that the piece scraped solar cell panel and go up impurity, prevent to scrape the too big wearing and tearing that cause of piece and solar cell panel contact dynamics, influence solar cell panel's life, prevent simultaneously to scrape the piece and cause to scrape the poor problem of effect with the contact dynamics undersize of solar cell panel.
Preferably, an air pipe is fixedly connected to one surface of the scraping strip, which is far away from the solar cell panel; one end of the air pipe is communicated with the bottom of the groove, and the other end of the air pipe faces the solar cell panel; the during operation, scrape the piece and receive the impurity effect on solar cell panel and can take place to remove, thereby make and scrape the piece and remove along the tank bottom that the recess is close to the recess, thereby make the inner space of recess receive the extruded effect of scraping the piece and diminish, the gas pressure in the recess pressurized and increase, so can discharge along tracheal other end after the gas pressurized in the recess, the gas of trachea other end can strike the impurity on the solar cell panel, thereby make impurity on the solar cell panel drop under gaseous impact, and then improved the efficiency that impurity drops on the solar cell.
Preferably, the outer wall of the air pipe is fixedly connected with a ring disc; the ring disc is bowl-shaped around the air pipe, the opening of the ring disc deviates from the solar cell panel, and air holes are formed in the ring disc; one end of the air hole is communicated with the inner wall of the ring disc, and the other end of the air hole is communicated with the inside of the air pipe; the during operation, the rainwater can fall on the inner wall of ring dish to collect the rainwater through the ring dish, the rainwater after collecting can get into tracheal inside along the gas pocket, at last along the trachea in getting into the recess, along with the space in the recess is compressed, make partly liquid pressurized back in the recess discharge along tracheal other end, make impurity on the solar cell also can wash away under the effect of rivers, also reached the effect to the solar cell panel cooling simultaneously.
The invention has the following beneficial effects:
1. the power collecting device controls the motor to drive the rotating rod to rotate through the controller and drives the solar cell panel to rotate and match with the rotating rod, so that light beams emitted by the sun are guaranteed to be perpendicular to the end face of the solar cell panel all the time, the sunlight absorption efficiency of the solar cell panel is improved, and the solar power generation efficiency of the outdoor power cabinet is improved.
2. In the invention, when the rotating rod of the electricity collecting device drives the solar cell panel to move, the sliding block can slide along the sliding strip under the action of gravity, the sliding block can drive the scraping strip to move in the sliding process, and the moving scraping strip scrapes the end face of the solar cell panel, so that impurities on the solar cell panel fall off under the scraping action of the scraping strip, the impurities are prevented from influencing the absorption of the solar cell on sunlight, the stability of the electricity collecting device is improved, and the practical application effect of the system is further improved.
3. In the process that the rotating rod of the electricity collecting device drives the corresponding solar cell panel to rotate, the solar cell panel can drive the corresponding sliding block to move, so that the distance between every two adjacent sliding blocks is changed, the elastic rope is pulled under the action of the sliding blocks, and along with the rotation of the solar cell panel, one sliding block drives the scraping strip to move close to the corresponding rotating rod, and the other sliding block drives the scraping strip to move away from the corresponding rotating rod, so that the process of scraping impurities on the solar cell panel is completed, the sliding blocks and the scraping strip are prevented from being insufficient in gravity to scrape the impurities on the solar cell panel, and the stability of the electricity collecting device in the system is further improved.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of an electric power collecting device according to the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a side view of the electricity collection device of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an internal structural view of a doctor blade in the electric collecting apparatus of the present invention;
in the figure: the solar electric cabinet comprises an electric cabinet body 1, support legs 2, support plates 3, a solar cell panel 4, a slide bar 41, a limiting block 42, a slide block 43, an elastic rope 44, a rotating rod 5, a motor 6, a scraping bar 7, a groove 71, a scraping block 72, a spring 73, an air pipe 74, a ring disc 75 and an air hole 76.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, an outdoor power cabinet system based on solar power generation according to the present invention includes a time relay, a power receiving device, a power transferring device, a power storage device and a power device; the time relay is connected with the electricity collecting device, the electricity converting device, the electricity storing device and the electric power device in a wired mode; the time relay can switch on and off the circuit of the electricity receiving device according to time; the electricity collecting device is used for collecting solar energy irradiated by the sun; the power conversion device is used for converting the solar energy of the power receiving device into electric energy; the power storage device is used for storing the electric energy converted by the power conversion device; the power device is used for distributing electric energy to the load and providing protection, monitoring and control for the load;
the power device comprises a power cabinet body 1 and support legs 2; the support legs 2 are fixedly connected to the lower end of the electric cabinet body 1; the electricity collecting device comprises a support plate 3, a solar panel 4 and a controller; the power receiving device is positioned above the power device; the support plate 3 is fixedly connected to the upper end of the electric power cabinet body 1; a rotating rod 5 is rotatably connected between the two support plates 3; the rotating rod 5 is fixedly connected with a solar panel 4; a motor 6 is arranged on the outer wall of one of the support plates 3; the output shaft of the motor 6 is connected with one end of the rotating rod 5; the controller is used for controlling the power receiving device to automatically operate;
when the outdoor power cabinet works, due to the defects of the prior art, the irradiation angle of the sun to the solar cell panel 4 changes along with the change of time in a day of solar irradiation, so that the energy of sunlight absorbed by the solar cell panel 4 is influenced, and the solar power generation efficiency of the outdoor power cabinet is further influenced;
therefore, the time relay in the invention can switch on and off the circuit of the electricity collecting device according to the sunshine hours in different areas, for example, most areas in the middle of China are 6 a.m.: at 30 sunrise and at 6:00 sunset in the afternoon, the time relay transmits signals to the electricity collecting device every two hours, the controller in the electricity collecting device controls the motor 6 to rotate, the rotating motor 6 drives the fixedly connected rotating rod 5 to rotate, the rotating rod 5 drives the solar cell panel 4 to rotate, so that the angle between the end face of the solar cell panel 4 and the horizontal plane is changed, sunlight is enabled to vertically irradiate on the solar cell panel 4, the electricity collecting device transmits the collected electric energy to the electricity converting device, the electricity converting device converts the solar energy into the electric energy, the electricity converting device transmits the converted electric energy to the electricity storage device, and finally the electric energy in the electricity storage device is used by the electric power device;
according to the invention, the controller controls the motor 6 to drive the rotating rod 5 to rotate and the rotating rod 5 to drive the solar cell panel 4 to rotate and match, so that light beams emitted by the sun are always vertical to the end surface of the solar cell panel 4, the sunlight absorption efficiency of the solar cell panel 4 is improved, and the solar power generation efficiency of the outdoor power cabinet is improved.
As an embodiment of the present invention, two opposite ends of the solar cell panel 4 are fixedly connected with sliding bars 41; one end of the sliding strip 41 is fixedly connected to the rotating rod 5, the other end of the sliding strip is fixedly connected to the limiting block 42, and the sliding strip 41 is slidably connected to the sliding block 43; a scraping strip 7 is fixedly connected between the two sliding blocks 43; the scraping strip 7 is in contact with the end face of the solar cell panel 4; the during operation, change 5 in driving the motion process of solar cell panel 4 of stick, slider 43 can slide along draw runner 41 under the effect of gravity, slider 43 slides the in-process and can drive draw runner 7 and remove, draw runner 7 in the removal scrapes the terminal surface of solar cell panel 4, thereby make impurity on the solar cell panel 4 drop under the action of scraping runner 7, and then prevent that impurity from influencing the absorption of solar cell to the sunlight, make the stability of receiving the electric installation obtain improving, and then improved the practical application effect of this system.
As an embodiment of the present invention, the number of the solar panels 4 is at least two; the two adjacent sliding blocks 43 are connected through an elastic rope 44, and the distance between the two adjacent sliding blocks 43 after the end surface of the solar cell panel 4 is parallel to the horizontal plane is the shortest; the during operation, it rotates the in-process to change stick 5 and drive corresponding solar cell panel 4, solar cell panel 4 can drive corresponding slider 43 and remove, thereby make the distance between two adjacent sliders 43 change, so the stretch cord 44 receives the dragging effect under slider 43's effect, rotate along with solar cell panel 4, make one of them slider 43 drive the scraping strip 7 and be close to corresponding commentaries on classics stick 5 motion, make another slider 43 drive the scraping strip 7 and keep away from corresponding commentaries on classics stick 5 motion, thereby the process of scraping impurity on solar cell panel 4 has been accomplished, prevent that slider 43 and scraping strip 7's gravity is not enough to scrape the impurity on solar cell panel 4, make the stability of receiving the electric installation in this system further obtain improving.
As an embodiment of the invention, a groove 71 is arranged on one side of the scraping strip 7 close to the solar cell panel 4; the scraping block 72 is connected in the groove 71 in a sliding manner, and a spring 73 is also arranged in the groove 71; one end of the spring 73 is connected with the bottom of the groove 71, and the other end of the spring is connected with the scraping block 72; during operation, slider 43 drives scrapes the in-process of scraping to impurity on solar cell panel 4 of strip 7, slider 43 also can drive scrapes piece 72 and spring 73 and removes, scrape the elastic force effect that piece 72 also can receive spring 73 when removing, thereby make and scrape the terminal surface that piece 72 supported at solar cell panel 4 under the effect of spring 73, and then guaranteed to scrape the dynamics that piece 72 scraped impurity on solar cell panel 4, prevent to scrape piece 72 and the too big wearing and tearing that lead to the fact of solar cell panel 4 contact dynamics, influence the life of solar cell panel 4, prevent simultaneously to scrape the problem that piece 72 and solar cell panel 4 contact dynamics undersize cause scraping the effect poor.
As an embodiment of the invention, the side of the scraping strip 7 away from the solar panel 4 is fixedly connected with an air pipe 74; one end of the air pipe 74 is communicated with the groove bottom of the groove 71, and the other end of the air pipe faces the solar cell panel 4; the during operation, scrape the piece 72 and receive the impurity effect on solar cell panel 4 and can take place to remove, thereby make and scrape the piece 72 and remove along the groove bottom that recess 71 is close to recess 71, thereby make the inner space of recess 71 receive the extruded effect of scraping piece 72 and diminish, the gas pressure pressurized in the recess 71 and increase, so can discharge along trachea 74's the other end after the gas pressurized in the recess 71, the gas of trachea 74 other end can strike the impurity on solar cell panel 4, thereby make impurity on solar cell panel 4 drop under gaseous impact, and then improved the efficiency that impurity drops on the solar cell.
As an embodiment of the present invention, a ring plate 75 is fixedly connected to the outer wall of the air pipe 74; the ring disc 75 is bowl-shaped around the air pipe 74, the opening of the ring disc 75 faces away from the solar panel 4, and the inside of the ring disc 75 is provided with an air hole 76; one end of the air hole 76 is communicated with the inner wall of the ring disc 75, and the other end is communicated with the inside of the air pipe 74; during operation, the rainwater can fall on the inner wall of ring dish 75 to collect the rainwater through ring dish 75, the rainwater after collecting can get into the inside of trachea 74 along gas pocket 76, at last along in trachea 74 gets into recess 71, along with the space in the recess 71 is compressed, make behind the partial liquid pressurized in the recess 71 discharge along the other end of trachea 74, make impurity on the solar cell also can wash away under the effect of rivers, also reached the effect to the solar cell panel 4 cooling simultaneously.
When the solar energy collecting and power generating device works, the time relay can switch on and off the circuit of the power collecting and power generating device according to sunshine hours in different areas, for example, most areas in the middle of China are 6 in the morning: at 30 sunrise and at 6:00 sunset in the afternoon, the time relay transmits signals to the electricity collecting device every two hours, the controller in the electricity collecting device controls the motor 6 to rotate, the rotating motor 6 drives the fixedly connected rotating rod 5 to rotate, the rotating rod 5 drives the solar cell panel 4 to rotate, so that the angle between the end face of the solar cell panel 4 and the horizontal plane is changed, sunlight is enabled to vertically irradiate on the solar cell panel 4, the electricity collecting device transmits the collected electric energy to the electricity converting device, the electricity converting device converts the solar energy into the electric energy, the electricity converting device transmits the converted electric energy to the electricity storage device, and finally the electric energy in the electricity storage device is used by the electric power device; when the rotating rod 5 drives the solar cell panel 4 to move, the sliding blocks 43 slide along the sliding strips 41 under the action of gravity, the sliding blocks 43 drive the scraping strips 7 to move in the sliding process, the moving scraping strips 7 scrape the end faces of the solar cell panel 4, so that impurities on the solar cell panel 4 fall off under the scraping action of the scraping strips 7, further the impurities are prevented from influencing the absorption of the solar cells on sunlight, the stability of the electricity collecting device is improved, further the practical application effect of the system is improved, when the rotating rod 5 drives the corresponding solar cell panel 4 to rotate, the solar cell panel 4 drives the corresponding sliding blocks 43 to move, so that the distance between every two adjacent sliding blocks 43 is changed, the elastic ropes 44 are pulled under the action of the sliding blocks 43, and the sliding blocks 43 drive the scraping strips 7 to move close to the corresponding rotating rod 5 along with the rotation of the solar cell panel 4, so that the other sliding block 43 drives the scraping strip 7 to move away from the corresponding rotating rod 5, thereby completing the process of scraping impurities on the solar cell panel 4, preventing the gravity of the sliding block 43 and the scraping strip 7 from being insufficient to scrape impurities on the solar cell panel 4, further improving the stability of the electricity collecting device in the system, in the process that the sliding block 43 drives the scraping strip 7 to scrape impurities on the solar cell panel 4, the sliding block 43 can also drive the scraping block 72 and the spring 73 to move, the scraping block 72 can also be under the elastic action of the spring 73 while moving, so that the scraping block 72 is abutted against the end face of the solar cell panel 4 under the action of the spring 73, further ensuring the force of the scraping block 72 to scrape impurities on the solar cell panel 4, preventing the scraping block 72 from being abraded due to too large contact force with the solar cell panel 4, and influencing the service life of the solar cell panel 4, meanwhile, the problem of poor scraping effect caused by too small contact force between the scraping block 72 and the solar cell panel 4 is prevented, the scraping block 72 can move under the action of impurities on the solar cell panel 4, so that the scraping block 72 can move along the groove bottom of the groove 71 close to the groove 71, the inner space of the groove 71 is reduced under the extrusion action of the scraping block 72, the gas pressure in the groove 71 is increased under the pressure, the gas in the groove 71 can be discharged along the other end of the gas pipe 74 after being compressed, the gas at the other end of the gas pipe 74 can impact the impurities on the solar cell panel 4, so that the impurities on the solar cell panel 4 fall off under the impact action of the gas, the efficiency of falling off the impurities on the solar cell is improved, the rainwater can fall on the inner wall of the ring disc 75, the rainwater is collected through the ring disc 75, and the collected rainwater can enter the inner part of the gas pipe 74 along the gas hole 76, and finally, the liquid enters the groove 71 along the air pipe 74, and along with the compression of the space in the groove 71, a part of liquid in the groove 71 is discharged along the other end of the air pipe 74 after being compressed, so that impurities on the solar cell can be washed away under the action of water flow, and meanwhile, the effect of cooling the solar cell panel 4 is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. The utility model provides an outdoor electric power cabinet system based on solar energy power generation which characterized in that: the device comprises a time relay, a power receiving device, a power transferring device, a power storage device and a power device; the time relay is connected with the electricity collecting device, the electricity converting device, the electricity storing device and the electric power device in a wired mode; the time relay can switch on and off the circuit of the electricity receiving device according to time; the electricity collecting device is used for collecting solar energy irradiated by the sun; the power conversion device is used for converting the solar energy of the power receiving device into electric energy; the power storage device is used for storing the electric energy converted by the power conversion device; the power device is used for distributing electric energy to the load and providing protection, monitoring and control for the load;
the power device comprises a power cabinet body (1) and support legs (2); the support legs (2) are fixedly connected to the lower end of the electric cabinet body (1); the electricity collecting device comprises a support plate (3), a solar panel (4) and a controller; the power receiving device is positioned above the power device; the support plate (3) is fixedly connected to the upper end of the electric power cabinet body (1); a rotating rod (5) is rotatably connected between the two support plates (3); the rotating rod (5) is fixedly connected with a solar panel (4); a motor (6) is arranged on the outer wall of one of the support plates (3); the output shaft of the motor (6) is connected with one end of the rotating rod (5); the controller is used for controlling the power receiving device to automatically operate;
one ends of the two opposite ends of the solar cell panel (4) are fixedly connected with sliding strips (41); one end of the sliding strip (41) is fixedly connected to the rotating rod (5), the other end of the sliding strip is fixedly connected to the limiting block (42), and the sliding strip (41) is connected with the sliding block (43) in a sliding mode; a scraping strip (7) is fixedly connected between the two sliding blocks (43); the scraping strip (7) is in contact with the end face of the solar cell panel (4);
the number of the solar panels (4) is at least two; two adjacent sliding blocks (43) are connected through an elastic rope (44);
one surface of the scraping strip (7) close to the solar cell panel (4) is provided with a groove (71); the scraping block (72) is connected in the groove (71) in a sliding manner, and a spring (73) is also arranged in the groove (71); one end of the spring (73) is connected with the bottom of the groove (71), and the other end of the spring is connected with the scraping block (72);
an air pipe (74) is fixedly connected to one surface of the scraping strip (7) far away from the solar panel (4); one end of the air pipe (74) is communicated with the groove bottom of the groove (71), and the other end of the air pipe faces the solar panel (4).
2. An outdoor power cabinet system based on solar power generation according to claim 1, characterized in that: the outer wall of the air pipe (74) is fixedly connected with a ring disc (75); the ring disc (75) is bowl-shaped around the air pipe (74), the opening of the ring disc (75) is away from the solar panel (4), and an air hole (76) is formed in the ring disc (75); one end of the air hole (76) is communicated with the inner wall of the ring disc (75), and the other end is communicated with the inside of the air pipe (74).
CN202110351279.8A 2021-03-31 2021-03-31 Outdoor electric power cabinet system based on solar energy power generation Active CN113014188B (en)

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