CN117833794A - Photovoltaic micro-inversion system - Google Patents
Photovoltaic micro-inversion system Download PDFInfo
- Publication number
- CN117833794A CN117833794A CN202410246444.7A CN202410246444A CN117833794A CN 117833794 A CN117833794 A CN 117833794A CN 202410246444 A CN202410246444 A CN 202410246444A CN 117833794 A CN117833794 A CN 117833794A
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 89
- 238000010248 power generation Methods 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims description 63
- 239000000110 cooling liquid Substances 0.000 claims description 40
- 229910000838 Al alloy Inorganic materials 0.000 claims description 36
- 239000004065 semiconductor Substances 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 25
- 238000004146 energy storage Methods 0.000 claims description 25
- 230000017525 heat dissipation Effects 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 9
- 238000007906 compression Methods 0.000 claims 9
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 210000004027 cell Anatomy 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a photovoltaic micro-inversion system, comprising: the base, the bottom fixed mounting of base has a plurality of groups support piece, and the upper portion of base is provided with photovoltaic power generation device and little contrary device, wherein: the photovoltaic power generation device is used for converting solar energy into electric energy and storing the converted electric energy; the micro-inversion device is used for converting direct current generated by the photovoltaic power generation device into alternating current and connecting the alternating current into an alternating current power grid. The photovoltaic micro-inversion system provided by the invention enables the solar panel to always face sunlight, can maximally improve the power generation efficiency of the solar panel, can ensure the radiating effect of the photovoltaic micro-inverter and simultaneously can prevent the photovoltaic micro-inverter from being polluted by dust, so that the photovoltaic micro-inverter can stably operate for a long time, can realize synchronous unlocking and power failure of the photovoltaic micro-inverter, is safer while being convenient to disassemble and assemble, can avoid electric shock, and is convenient to assemble and disassemble.
Description
Technical Field
The invention relates to the technical field of inverters, in particular to a photovoltaic micro-inversion system.
Background
The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor interface, and mainly comprises a solar panel, a controller and an inverter, wherein main components comprise electronic components, solar cells are packaged and protected after being connected in series to form a large-area solar cell assembly, and then the photovoltaic power generation device is formed by matching with the components such as a power controller and the like.
The Chinese patent with the bulletin number of CN116937933A discloses a dustproof photovoltaic micro-inverter, which comprises a housin, U-shaped pipeline, filter equipment and stop device, one side of casing is equipped with the apron, the inside of casing is equipped with the main part machine, the inside U-shaped pipeline that is equipped with of casing, the inlet port has been seted up at the both ends of casing, the both ends and the inlet port switch-on of U-shaped pipeline, the filter core is installed at the both ends of U-shaped pipeline, the outlet duct has been put through at the middle part of U-shaped pipeline, the draw groove has been seted up at the middle part of U-shaped pipeline, draw inslot sliding connection has filter equipment, draw inslot wall sliding connection has the pull box, the inside stop device that is equipped with of pull box, the inside symmetry fixedly connected with first fan of U-shaped pipeline.
Although the dust-proof photovoltaic micro-inverter completely filters dust in air through two times of filtering such as filtering core and water, so as to ensure the cleaning of the inside of the inverter, the heat dissipation effect is poor, and the inverter is difficult to stably work for a long time.
For this purpose, a photovoltaic micro-inversion system is proposed.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides a photovoltaic micro-inversion system.
The specific technical scheme is as follows:
a photovoltaic micro-inversion system comprising:
the base, the bottom fixed mounting of base has a plurality of groups support piece, just the upper portion of base is provided with photovoltaic power generation device and little contrary device, wherein:
the photovoltaic power generation device is used for converting solar energy into electric energy and storing the converted electric energy;
the micro-inversion device is used for converting direct current generated by the photovoltaic power generation device into alternating current and connecting the alternating current into an alternating current power grid.
Each group of supporting pieces comprises supporting legs fixedly installed at the bottom of the base and a mounting plate fixedly installed at the bottom end of each supporting leg, and mounting holes are formed in the mounting plate.
The photovoltaic micro-inversion system, wherein: the photovoltaic power generation device comprises a box body, a solar panel and an energy storage battery, wherein the box body is fixedly installed on the upper portion of the base, the solar panel is installed above the box body through an angle adjusting mechanism, the energy storage battery is fixedly installed on the upper portion of the base and located in the box body, and the energy storage battery is electrically connected with the solar panel through a solar controller.
The photovoltaic micro-inversion system, wherein: the angle adjustment mechanism comprises a bearing seat, a vertical rod, a U-shaped seat, a connecting seat, a driving motor, a driving conical gear, a driven conical gear, a first hinging seat, a second hinging seat and an electric push rod, wherein the bearing seat is fixedly arranged on the upper portion of the base, the vertical rod is vertically arranged, the bottom end of the vertical rod is rotatably arranged in the bearing seat, the upper end of the vertical rod penetrates through the top wall of the box body to be arranged, the vertical rod is rotatably connected with the top wall of the box body through a sealing bearing, the U-shaped seat is fixedly arranged at the upper end of the vertical rod, the bottom of the connecting seat is hinged to the U-shaped seat through a rotating shaft, the upper portion of the connecting seat is fixedly connected with the bottom of a solar cell panel, the driving motor is fixedly arranged on the upper portion of the base through a motor seat, the driving conical gear is fixedly arranged at the end of the output shaft of the driving motor, the driven conical gear is fixedly sleeved on the bearing seat, the driven conical gear is mutually meshed with the driving conical gear, the vertical rod and the driven conical gear are both positioned in the inner part of the box body, the first hinging seat and the second hinging seat is fixedly arranged at the other end of the first hinging seat, and the first hinging seat is fixedly arranged on the second hinging seat, and the second hinging seat is fixedly hinged to the first hinging seat, and the first hinging seat is fixedly arranged on the side of the side.
The driving motor is used for driving the driving bevel gear to drive the driven bevel gear to rotate, the driven bevel gear is used for driving the vertical rod to rotate to adjust the direction of the solar cell panel, and the electric push rod is used for driving the solar cell panel to rotate around a rotating shaft between the connecting seat and the U-shaped seat and is used for adjusting the inclination angle of the solar cell panel.
The photovoltaic micro-inversion system, wherein: the micro-inverse device comprises a box body, a cover plate, a photovoltaic micro inverter, a locking mechanism, a connecting plug, a pressing mechanism and a heat dissipation mechanism, wherein the box body is fixedly arranged on one side surface of the box body, a gap is reserved between the bottom of the box body and the upper part of the base, a slope is arranged on one side surface of the box body, which is opposite to the box body, the slope is inwards concave to form a slot body for installing the photovoltaic micro inverter, an arc-shaped opening through groove is formed in the bottom of the slot body, a through hole is formed in the top wall of the slot body, the cover plate is fixedly arranged at the top of the box body, the bottom of the photovoltaic micro inverter is provided with an arc-shaped clamping groove, the front end of the photovoltaic micro inverter is provided with an interface, the rear end of the photovoltaic micro inverter is fixedly provided with a handle, a cable for connecting an alternating current power grid is fixedly arranged on the photovoltaic micro inverter, the wall of the arc-shaped clamping groove is an aluminum alloy groove, the front end of the photovoltaic micro inverter is inserted into the slot body, the top wall of the photovoltaic micro inverter is arranged in the slot body, the two side walls of the photovoltaic micro inverter are fixedly arranged at the top wall of the box body, the two side wall of the photovoltaic micro inverter are fixedly arranged at the top wall of the box body, the top wall is in the slot body, the two side wall is in the slot body is in the sliding groove, the sliding groove is connected with the sliding groove, the sliding groove is fixedly arranged between the two side plug and the top wall, the sliding groove is fixedly connected with the top wall, the sliding rod is connected with the top wall, the sliding plug is fixedly arranged at the top wall, the sliding plug, the sliding rod is connected with the sliding plug, the sliding plug is connected with the sliding plug, and the sliding rod is fixedly, and the sliding plug is connected with the sliding plug, the conductive sheet used for driving the connecting plug penetrates through the through hole on the top wall of the slot body and is inserted into the interface at the front end of the photovoltaic micro-inverter, and the heat dissipation mechanism is used for dissipating heat of the photovoltaic micro-inverter.
The photovoltaic micro-inversion system, wherein: the locking mechanism comprises two first guide rods, a first screw rod, a sliding seat, a locking baffle, a second spring, a connecting seat, a supporting plate and a cylindrical jacking block, wherein the two first guide rods are fixedly installed in the box body, the two first guide rods are located below the arc opening through groove, the first screw rod is rotatably installed in the box body through a bearing, the first screw rod is located between the two first guide rods, the sliding seat and the locking baffle are slidably sleeved on the two first guide rods, the locking baffle is in threaded connection with the first screw rod, the second spring is sleeved on the first screw rod, the two ends of the second spring are respectively propped against the locking baffle plate and the sliding seat, the connecting seat is fixedly arranged on the upper part of the sliding seat, the supporting plate is arranged on the upper part of the connecting seat through two groups of spring rods, the cylindrical propping block is fixedly arranged on the upper end of the supporting plate, the cylindrical propping block is propped against the inside of the arc-shaped opening through groove under the cooperative fit of the second spring and the two groups of spring rods, the cylindrical propping block is blocked into the arc-shaped clamping groove when the cylindrical propping block is propped against the inside of the arc-shaped opening through groove, the first screw rod is rotated to enable the locking baffle plate to move close to or far away from the sliding seat, the second spring is extruded to prop against and lock the sliding seat when the locking baffle plate moves close to the sliding seat, and when the locking baffle moves away from the sliding seat, the second spring is released to release and unlock the sliding seat.
The photovoltaic micro-inversion system, wherein: the pressing mechanism comprises two second guide rods, a fixed plate, a second screw rod, pressing plates, guide blocks and a driving assembly, wherein one ends of the second guide rods are fixedly installed on the inner wall of the box body, the fixed plate is fixedly installed at the other ends of the second guide rods, the second screw rods are rotatably installed between the fixed plate and the inner wall of the box body through bearings, the pressing plates are slidably sleeved on the two second guide rods, the pressing plates are in threaded connection with the second screw rods, the guide blocks are fixedly installed on the connecting plug, one side surface of each guide block is in sliding fit with one side surface of each pressing plate, the driving assembly is used for driving the second screw rods to synchronously rotate with the first screw rods, the second screw rods can drive the pressing plates to be close to or far away from the guide blocks, when the pressing plates are close to the guide blocks, the pressing plates are extruded by the guide blocks to push the connecting plug to move towards the slot body, and when the pressing plates are far away from the guide blocks, and the pressing blocks are enabled to move towards the connecting plug body.
The photovoltaic micro-inversion system, wherein: the driving assembly comprises a stepping motor, a driving synchronous pulley, a driven synchronous pulley and a synchronous belt, wherein the stepping motor is fixedly arranged on the fixed plate, a rotating shaft of the stepping motor is fixedly connected with one end of the second screw rod, the driving synchronous pulley is fixedly sleeved on the second screw rod, the driven synchronous pulley is fixedly sleeved on the first screw rod, and the synchronous belt is sleeved on the driven synchronous pulley and the periphery of the driving synchronous pulley.
The photovoltaic micro-inversion system, wherein: each group of spring rods comprises a cylinder body, a third spring, a round sliding block and a connecting rod, wherein the cylinder body is fixedly installed on the upper portion of the connecting seat, the third spring is installed inside the cylinder body, the round sliding block is slidably installed inside the cylinder body, the round sliding block is located at the upper end of the third spring, the connecting rod is movably installed on the top wall of the cylinder body, the bottom end of the connecting rod is fixedly connected with the upper portion of the round sliding block, and the upper end of the connecting rod is fixedly connected with the bottom end of the supporting plate.
The photovoltaic micro-inversion system, wherein: the inside of cylindrical tight piece in top is hollow structure, just cylindrical tight piece in top is made by aluminum alloy, have a plurality of annular radiating grooves on the face of cylinder of cylindrical tight piece in top, just cylindrical tight piece in top the face of cylinder with the cell wall laminating setting of arc draw-in groove, radiating mechanism includes aluminum alloy cooling liquid box, radiator fan and rain shade, aluminum alloy cooling liquid box's inside has the coolant liquid, just aluminum alloy cooling liquid box's inside fixed mounting has the immersible pump, cylindrical tight piece in top one end pass through a hose with aluminum alloy cooling liquid box's inside is linked together, just cylindrical tight piece in top the other end pass through another hose with the delivery port of immersible pump is linked together, the bottom fixed mounting of aluminum alloy cooling liquid box has the semiconductor refrigeration piece, the refrigeration face of semiconductor refrigeration piece with the surface contact of aluminum alloy cooling liquid box, just the heating surface of semiconductor refrigeration piece dorsad aluminum alloy cooling liquid box sets up, the fan is in on the base, just the inside fixed mounting of aluminum alloy cooling liquid box has the immersible pump, just the radiator fan is used for facing the semiconductor face towards the fan, the shape is covered with the cooling box is equipped with a plurality of ventilation holes is formed in the rain shade, and is equipped with a plurality of the shape and covers the side wall is covered with the rain-proof to be equipped with.
The photovoltaic micro-inversion system, wherein: the inside fixed mounting of box body has controller, distance sensor and temperature sensor, lie in on the lateral wall of box body the unlocking button and locking button are installed to the below symmetry on inclined plane, wherein:
the controller is electrically connected with the energy storage battery, a G communication module is arranged in the controller, the controller is respectively electrically connected with the distance sensor, the unlocking button, the locking button, the temperature sensor, the driving motor, the electric push rod, the stepping motor, the semiconductor refrigerating sheet, the submersible pump and the cooling fan, and the energy storage battery is used for respectively supplying power to the controller, the unlocking button, the locking button, the temperature sensor, the driving motor, the electric push rod, the stepping motor, the semiconductor refrigerating sheet, the submersible pump and the cooling fan;
the distance sensor is used for detecting the distance between the pressing plate and the pressing plate, uploading detected distance data to the controller, and judging the position of the pressing plate according to the received distance data by the controller so as to accurately control the stepping motor to work;
The temperature sensor is used for detecting the temperature inside the box body and uploading temperature data to the controller, and the controller controls the semiconductor refrigerating sheet, the submersible pump and the cooling fan to automatically serve as the photovoltaic micro inverter for heat dissipation according to the received temperature data;
the unlocking button is used for inputting an unlocking signal to the controller, when the controller receives the unlocking signal, the controller controls the stepping motor to work so as to drive the pressing plate to move away from the guide block, so that the first spring drives the conducting strip on the connecting plug to be pulled out of the interface at the front end of the photovoltaic micro inverter, meanwhile, the stepping motor drives the second screw rod to drive the driving synchronous pulley to rotate, the driving synchronous pulley drives the driven synchronous pulley to rotate through the synchronous belt, the driven synchronous pulley drives the first screw rod to rotate so as to drive the locking baffle to move away from the sliding seat to release the second spring so as to release the sliding seat to unlock, and at the moment, the photovoltaic micro inverter can be pulled out of the slot body through the handle;
the locking button is used for inputting locking signals to the controller, when the controller receives the locking signals, the controller controls the stepping motor to work so that the pressing plate is close to the guide block to move, the first spring drives the conducting strip on the connecting plug to penetrate through the through hole in the top wall of the slot body and insert into the interface at the front end of the photovoltaic micro inverter, meanwhile, the stepping motor drives the second lead screw to drive the driving synchronous pulley to rotate, the driving synchronous pulley drives the driven synchronous pulley to rotate through the synchronous belt, the driven synchronous pulley drives the first lead screw to rotate so that the locking baffle is close to the sliding seat to move so as to squeeze the second spring to tightly lock the sliding seat, and at the moment, the photovoltaic micro inverter cannot be pulled out from the inside of the slot body.
The invention has the following beneficial effects:
the photovoltaic micro-inversion system provided by the invention consists of a base, a plurality of groups of supporting pieces, a photovoltaic power generation device and a micro-inversion device, wherein the photovoltaic power generation device comprises a box body, a solar panel, an angle adjusting mechanism and an energy storage battery;
the angle adjusting mechanism is used for adjusting the orientation and the inclination angle of the solar panel and mainly comprises a bearing seat, a vertical rod, a U-shaped seat, a connecting seat, a driving motor, a driving conical gear, a driven conical gear, a first hinging seat, a second hinging seat and an electric push rod, wherein the driving motor and the electric push rod are controlled by a controller, and the controller has a communication function and can know the weather condition of the local day and the running track of the sun by means of the Internet, so that the driving motor and the electric push rod are controlled to automatically work to adjust the orientation and the inclination angle of the solar panel, the solar panel can always face the sunlight, and the power generation efficiency of the solar panel can be improved to the greatest extent;
when the heat dissipation mechanism is used, the cooling liquid in the aluminum alloy cooling liquid box is pumped into the cylindrical propping block through the flexible pipe by the submerged pump, and then flows back to the aluminum alloy cooling liquid box through the other flexible pipe, so that the photovoltaic micro inverter can circularly dissipate heat, the heat dissipation effect of the photovoltaic micro inverter can be ensured, and meanwhile, the photovoltaic micro inverter can be prevented from being polluted by dust, so that the photovoltaic micro inverter can stably operate for a long time;
The driving assembly mainly comprises a stepping motor, a driving synchronous pulley, a driven synchronous pulley and a synchronous belt, wherein the stepping motor, the driving synchronous pulley, the driven synchronous pulley and the synchronous belt are mutually matched to drive the second screw rod and the first screw rod to synchronously rotate, so that the purpose of simultaneously driving the pressing mechanism and the locking mechanism to work by using one stepping motor can be realized, the manufacturing cost of the photovoltaic micro-inverter system can be reduced, and particularly, the synchronous unlocking and the power failure of the photovoltaic micro-inverter can be realized, the assembly and the disassembly are convenient, the safety is improved, and the electric shock can be avoided;
the box body is provided with an inclined plane on one side surface facing away from the box body, and the inclined plane is inwards concave to form a slot body for installing the photovoltaic micro inverter, when the photovoltaic micro inverter is inserted into the slot body, the front end of the photovoltaic micro inverter is locked in the slot body by utilizing the locking mechanism to match with the arc-shaped clamping groove, and meanwhile, the conductive sheet on the pressing mechanism driving connection plug penetrates through the through hole on the top wall of the slot body to be inserted into the interface of the front end of the photovoltaic micro inverter, so that the photovoltaic micro inverter is convenient to install.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic micro-inversion system according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of another view angle of the photovoltaic micro-inversion system according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram II of another view angle of the photovoltaic micro-inversion system according to the embodiment of the present invention;
fig. 4 is a schematic diagram of an assembly structure of a photovoltaic power generation device and a base in a photovoltaic micro-inversion system according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an assembly structure of a photovoltaic power generation device and another viewing angle of a base in the photovoltaic micro-inversion system according to the embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the structure shown at A in FIG. 5;
fig. 7 is a schematic diagram of an assembly structure of a micro-inversion device and a base in a photovoltaic micro-inversion system according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a local structure of a micro-inversion device in a photovoltaic micro-inversion system according to an embodiment of the present invention;
fig. 9 is a schematic view of a partial structure of another view angle of a micro-inversion device in a photovoltaic micro-inversion system according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a photovoltaic micro inverter in a micro inverter device in a photovoltaic micro inverter system according to an embodiment of the present invention;
fig. 11 is a schematic diagram of a partial cross-sectional structure of a micro-inversion device in a photovoltaic micro-inversion system according to an embodiment of the present invention;
fig. 12 is a schematic view of a partially cross-sectional structure of another view angle of a micro-inversion device in a photovoltaic micro-inversion system according to an embodiment of the present invention;
Fig. 13 is a schematic diagram of a partial cross-sectional structure of a micro-inversion device in a photovoltaic micro-inversion system according to an embodiment of the present invention;
fig. 14 is a schematic cross-sectional structural view of a spring rod in a photovoltaic micro-inversion system according to an embodiment of the present invention.
In the accompanying drawings:
1. a base;
2. a photovoltaic power generation device; 201. a case; 202. a solar cell panel; 203. a bearing seat; 204. an energy storage battery; 205. a driving bevel gear; 206. a driven bevel gear; 207. a vertical rod; 208. a driving motor; 209. a connecting seat; 210. the second hinge seat; 211. a first hinge base; 212. an electric push rod; 213. a U-shaped seat;
3. a micro inverse device; 301. a case body; 302. a cover plate; 303. an inclined plane; 304. a photovoltaic micro inverter; 305. a locking button; 306. an unlock button; 307. an aluminum alloy cooling liquid box; 308. a semiconductor refrigeration sheet; 309. a heat radiation fan; 310. a rain shield; 311. arc opening through groove; 312. an arc-shaped clamping groove; 313. an interface; 314. a cable; 315. a handle; 316. a connection plug; 317. a first spring; 318. a slot body; 319. a cylindrical jacking block; 320. a support plate; 321. a connecting seat; 322. a spring rod; 3221. a cylinder; 3222. a connecting rod; 3223. a circular slider; 3224. a third spring; 323. a sliding seat; 324. a second spring; 325. locking a baffle; 326. a first guide bar; 327. a driven synchronous pulley; 328. a first screw rod; 329. a synchronous belt; 330. a driving synchronous pulley; 331. a second guide bar; 332. a second screw rod; 333. a fixing plate; 334. a compacting plate; 335. a slide bar; 336. a guide block; 337. a hose; 338. a stepping motor; 339. a distance sensor; 340. a controller;
4. A support; 401. a support leg; 402. and (3) mounting a plate.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present invention, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples
The photovoltaic micro-inversion system provided in this embodiment, as shown in fig. 1 to 14, includes: the photovoltaic power generation device comprises a base 1, a plurality of groups of supporting pieces 4 are fixedly arranged at the bottom of the base 1, and a photovoltaic power generation device 2 and a micro-inverse device 3 are arranged on the upper portion of the base 1.
The photovoltaic power generation device 2 is used for converting solar energy into electric energy and storing the converted electric energy.
The micro-inverter 3 is used for converting direct current generated by the photovoltaic power generation device 2 into alternating current and connecting the alternating current into an alternating current power grid.
Each group of supporting members 4 comprises a supporting leg 401 fixedly installed at the bottom of the base 1 and a mounting plate 402 fixedly installed at the bottom end of the supporting leg 401, and mounting holes are formed in the mounting plate 402.
The photovoltaic micro-inversion system adopting the technical scheme mainly comprises a base 1, a plurality of groups of supporting pieces 4, a photovoltaic power generation device 2 and a micro-inversion device 3, wherein the supporting pieces 4 consist of supporting legs 401 and a mounting plate 402, and mounting holes are formed in the mounting plate 402, so that the photovoltaic micro-inversion system is convenient to fixedly mount and construct.
Specifically, in this embodiment, the photovoltaic power generation device 2 that sets up includes box 201, solar cell panel 202 and energy storage battery 204, box 201 fixed mounting is in the upper portion of base 1, solar cell panel 202 passes through angle adjustment mechanism and installs the top at box 201, energy storage battery 204 fixed mounting is in the upper portion of base 1, and energy storage battery 204 is located the inside of box 201, in order to prevent that energy storage battery 204 from overcharging and influencing life, pass through solar controller and solar cell panel 202 electric connection with energy storage battery 204, the angle adjustment mechanism of setting is used for adjusting the orientation and the inclination of solar cell panel 202, in order to improve generating efficiency.
Specifically, in this embodiment, the angle adjustment mechanism that sets up includes bearing frame 203, pole setting 207, U-shaped seat 213, connecting seat 209, driving motor 208, initiative conical gear 205, driven conical gear 206, first articulated seat 211, second articulated seat 210 and electric putter 212, bearing frame 203 fixed mounting is in the upper portion of base 1, pole setting 207 is vertical setting, and the bottom rotation of pole setting 207 is installed in bearing frame 203, the upper end of pole setting 207 runs through the roof setting of box 201, and pole setting 207 is connected with the roof rotation of box 201 through sealed bearing, U-shaped seat 213 fixed mounting is in the upper end of pole setting 207, the bottom of connecting seat 209 articulates on U-shaped seat 213 through the pivot, and the upper portion of connecting seat 209 is fixedly connected with the bottom of solar cell panel 202, driving motor 208 passes through the motor seat fixed mounting in the upper portion of base 1, initiative conical gear 205 fixed mounting is in the output shaft end of driving motor 208, driven conical gear 206 fixed mounting is on pole setting 207, and driven conical gear 206 intermesh with initiative conical gear 205, driving conical gear 208, driving conical gear 205 and driven conical gear 206 are located the inside of box 201 and the second articulated seat 211 is located on the first articulated seat 211, the other end of second articulated seat 211 is located on the first articulated seat 211, the bottom of second articulated seat 211.
The driving motor 208 and the electric push rod 212 are electrically connected with the energy storage battery 204, and the driving motor 208 is used for driving the driving conical gear 205 to drive the driven conical gear 206 to rotate, the driven conical gear 206 is used for driving the upright rod 207 to rotate to adjust the orientation of the solar panel 202, and the electric push rod 212 is used for driving the solar panel 202 to rotate around a rotating shaft between the connecting seat 209 and the U-shaped seat 213 and for adjusting the inclination angle of the solar panel 202.
The angle adjusting mechanism adopting the technical scheme mainly comprises a bearing pedestal 203, a vertical rod 207, a U-shaped seat 213, a connecting seat 209, a driving motor 208, a driving bevel gear 205, a driven bevel gear 206, a first hinging seat 211, a second hinging seat 210 and an electric push rod 212, wherein the set energy storage battery 204 is used for supplying power to the driving motor 208 and the electric push rod 212, the set driving motor 208 is used for driving the driving bevel gear 205 to drive the driven bevel gear 206 to rotate, the set driven bevel gear 206 is used for driving the vertical rod 207 to rotate so as to adjust the orientation of the solar panel 202, and the set electric push rod 212 is used for driving the solar panel 202 to rotate around a rotating shaft between the connecting seat 209 and the U-shaped seat 213 so as to adjust the inclination angle of the solar panel 202, so that the solar panel 202 can face sunlight, and the power generation efficiency of the solar panel 202 can be improved to the greatest extent.
Specifically, in this embodiment, the micro inverse device 3 includes a box 301, a cover plate 302, a photovoltaic micro inverter 304, a locking mechanism, a connection plug 316, a pressing mechanism and a heat dissipation mechanism, where the box 301 is fixedly installed on a side surface of the box 201, a gap is formed between the bottom of the box 301 and the upper portion of the base 1, a bevel 303 is disposed on a side surface of the box 301 opposite to the box 201, a slot body 318 for installing the photovoltaic micro inverter 304 is formed by concave-in of the bevel 303, an arc opening through slot 311 is formed at the bottom of the slot body 318, a through hole is formed on a top wall of the slot body 318, the cover plate 302 is fixedly installed on the top of the box 301, an arc clamping slot 312 is formed at the bottom of the photovoltaic micro inverter 304, an interface 313 is formed at the front end of the photovoltaic micro inverter 304, and a handle 315 is fixedly installed at the rear end of the photovoltaic micro inverter 304, and the photovoltaic micro inverter 304 is fixedly provided with a cable 314 for connecting an alternating current power grid, the groove wall of the arc clamping groove 312 is made of aluminum alloy, the front end of the photovoltaic micro inverter 304 is inserted into the slot body 318, the locking mechanism is arranged in the box body 301, the locking mechanism is matched with the arc clamping groove 312 to lock the front end of the photovoltaic micro inverter 304 in the slot body 318, the connecting plug 316 is slidably arranged on the two sliding rods 335, the connecting plug 316 is connected with the output end of the solar panel 202, the two sliding rods 335 are fixedly arranged between the top wall of the slot body 318 and the inner wall of the box body 301, the two sliding rods 335 are sleeved with a first spring 317, the first spring 317 is positioned between the top wall of the slot body 318 and the connecting plug 316 and used for driving the connecting plug 316 to be separated from an interface 313 at the front end of the photovoltaic micro inverter 304, the pressing mechanism is arranged in the box body 301, the conductive sheet on the connection plug 316 is inserted into the interface 313 at the front end of the photovoltaic micro inverter 304 through the through hole on the top wall of the socket body 318, and the heat dissipation mechanism is used for dissipating heat of the photovoltaic micro inverter 304.
The micro inverse device 3 adopting the technical scheme mainly comprises a box body 301, a cover plate 302, a photovoltaic micro inverter 304, a locking mechanism, a connecting plug 316, a pressing mechanism and a heat dissipation mechanism, wherein a slope 303 is arranged on one side surface of the box body 301, which is opposite to the box body 201, and a slot body 318 for installing the photovoltaic micro inverter 304 is concavely formed on the slope 303.
Specifically, in this embodiment, the locking mechanism includes two first guide rods 326, a first lead screw 328, a sliding seat 323, a locking baffle 325, a second spring 324, a connecting seat 321, a supporting plate 320 and a cylindrical tightening block 319, where the two first guide rods 326 are fixedly installed inside the box 301, the two first guide rods 326 are located below the arc-shaped open through slot 311, the first lead screw 328 is rotatably installed inside the box 301 through a bearing, the first lead screw 328 is located between the two first guide rods 326, the sliding seat 323 and the locking baffle 325 are slidably sleeved on the two first guide rods 326, the locking baffle 325 is in threaded connection with the first lead screw 328, the second spring 324 is sleeved on the first lead screw 328, and both ends of the second spring 324 are respectively abutted against the locking baffle 325 and the sliding seat 323, the connecting seat 321 is fixedly arranged on the upper part of the sliding seat 323, the supporting plate 320 is arranged on the upper part of the connecting seat 321 through two groups of spring rods 322, the cylindrical jacking block 319 is fixedly arranged on the upper end of the supporting plate 320, the cylindrical jacking block 319 is abutted against the inside of the arc-shaped open through groove 311 under the cooperation of the second spring 324 and the two groups of spring rods 322, the cylindrical jacking block 319 is clamped into the arc-shaped clamping groove 312 when the cylindrical jacking block 319 is abutted against the inside of the arc-shaped open through groove 311, the first screw rod 328 is rotated to enable the locking baffle 325 to move close to or far away from the sliding seat 323, the second spring 324 is pressed to tightly lock the sliding seat 323 when the locking baffle 325 moves close to the sliding seat 323, and the second spring 324 is released to unlock the sliding seat 323 when the locking baffle 325 moves far away from the sliding seat 323.
The locking mechanism adopting the technical scheme mainly comprises two first guide rods 326, a first lead screw 328, a sliding seat 323, a locking baffle 325, a second spring 324, a connecting seat 321, a supporting plate 320 and a cylindrical jacking block 319, when the locking baffle 325 moves close to the sliding seat 323, the second spring 324 is pressed to tightly lock the sliding seat 323, when the locking baffle 325 moves far away from the sliding seat 323, the second spring 324 is released to release and unlock the sliding seat 323, so that the locking mechanism is convenient for locking and unlocking the photovoltaic micro-inverter 304.
Specifically, in this embodiment, the pressing mechanism includes two second guide rods 331, a fixing plate 333, a second screw rod 332, a pressing plate 334, a guide block 336 and a driving assembly, one ends of the two second guide rods 331 are fixedly installed on the inner wall of the box 301, the fixing plate 333 is fixedly installed at the other ends of the two second guide rods 331, the second screw rod 332 is rotatably installed between the fixing plate 333 and the inner wall of the box 301 through a bearing, the pressing plate 334 is slidably sleeved on the two second guide rods 331, the pressing plate 334 is in threaded connection with the second screw rod 332, the guide block 336 is fixedly installed on the connecting plug 316, one side surface of the guide block 336 is slidably attached to one side surface of the pressing plate 334, the driving assembly is used for driving the second screw rod 332 to rotate synchronously with the first screw rod 328, the pressing plate 334 can be driven to move close to or far away from the guide block 336 by rotating the second screw rod 332, when the pressing plate 334 moves close to the guide block 336, the pressing plate 334 presses the guide block 336 to push the connecting plug 316 to move towards the slot body 318, and when the pressing plate 334 moves away from the guide block 334, the pressing plate 334 slides on the side surface of the second screw rod 334 to the first screw rod 334 and the first screw rod 318 is in a loose connection with the first spring 317.
By adopting the technical scheme, the pressing mechanism mainly comprises two second guide rods 331, a fixed plate 333, a second screw rod 332, a pressing plate 334, a guide block 336 and a driving assembly, the pressing plate 334 can be driven to move close to or away from the guide block 336 by rotating the second screw rod 332, when the pressing plate 334 moves close to the guide block 336, the pressing plate 334 presses the guide block 336 to push the connecting plug 316 to move towards the slot body 318, when the pressing plate 334 moves away from the guide block 336, the pressing plate 334 releases the guide block 336 and enables the connecting plug 316 to move away from the slot body 318 under the action of the first spring 317, so that the photovoltaic micro inverter 304 is convenient to detach.
Specifically, in the present embodiment, the driving assembly includes a stepping motor 338, a driving synchronous pulley 330, a driven synchronous pulley 327 and a synchronous belt 329, the stepping motor 338 is fixedly mounted on a fixed plate 333, a rotating shaft of the stepping motor 338 is fixedly connected with one end of a second screw rod 332, the driving synchronous pulley 330 is fixedly sleeved on the second screw rod 332, the driven synchronous pulley 327 is fixedly sleeved on the first screw rod 328, and the synchronous belt 329 is sleeved on the peripheries of the driven synchronous pulley 327 and the driving synchronous pulley 330.
The driving assembly set by adopting the technical scheme mainly comprises the stepping motor 338, the driving synchronous pulley 330, the driven synchronous pulley 327 and the synchronous belt 329, wherein the stepping motor 338, the driving synchronous pulley 330, the driven synchronous pulley 327 and the synchronous belt 329 are mutually matched to drive the second screw rod 332 and the first screw rod 328 to synchronously rotate, the purpose of simultaneously driving the pressing mechanism and the locking mechanism to work by using one stepping motor 338 can be realized, the manufacturing cost of the photovoltaic micro-inverter system can be reduced, and particularly, the synchronous unlocking and power failure of the photovoltaic micro-inverter 304 can be realized, the assembly and the disassembly are convenient, the safety is improved, and the electric shock can be avoided.
Specifically, in the present embodiment, each set of spring rods 322 includes a cylinder 3221, a third spring 3224, a circular slider 3223 and a connecting rod 3222, the cylinder 3221 is fixedly mounted on the upper portion of the connecting seat 321, the third spring 3224 is mounted inside the cylinder 3221, the circular slider 3223 is slidably mounted inside the cylinder 3221, the circular slider 3223 is located at the upper end of the third spring 3224, the connecting rod 3222 is movably mounted on the top wall of the cylinder 3221, and the bottom end of the connecting rod 3222 is fixedly connected with the upper portion of the circular slider 3223, and the upper end of the connecting rod 3222 is fixedly connected with the bottom end of the supporting plate 320.
Each group of spring rods 322 adopting the above technical scheme is composed of a cylinder 3221, a third spring 3224, a circular sliding block 3223 and a connecting rod 3222, and each group of spring rods 322 has good elasticity under the mutual cooperation of the cylinder 3221, the third spring 3224, the circular sliding block 3223 and the connecting rod 3222, so that the cylindrical jacking block 319 can be ensured to be separated from the arc-shaped clamping groove 312, and the photovoltaic micro inverter 304 can be ensured to be smoothly disassembled and assembled from the inside of the slot body 318.
Specifically, in this embodiment, in order to dissipate heat for the photovoltaic micro inverter 304, the inside of the cylindrical propping block 319 is a hollow structure, and the cylindrical propping block 319 is made of aluminum alloy, meanwhile, the cylindrical surface of the cylindrical propping block 319 is provided with a plurality of annular heat dissipation grooves, and the cylindrical surface of the cylindrical propping block 319 is attached to the groove wall of the arc-shaped clamping groove 312, and the heat dissipation mechanism is mainly composed of an aluminum alloy cooling liquid box 307, a heat dissipation fan 309 and a rain shielding cover 310, wherein: the inside of the aluminum alloy cooling liquid box 307 is provided with cooling liquid, the inside of the aluminum alloy cooling liquid box 307 is fixedly provided with a submersible pump, one end of the cylindrical jacking block 319 is communicated with the inside of the aluminum alloy cooling liquid box 307 through a hose 337, the other end of the cylindrical jacking block 319 is communicated with a water outlet of the submersible pump through another hose 337, the bottom of the aluminum alloy cooling liquid box 307 is fixedly provided with a semiconductor refrigerating sheet 308, a refrigerating surface of the semiconductor refrigerating sheet 308 is in contact with the surface of the aluminum alloy cooling liquid box 307, a heating surface of the semiconductor refrigerating sheet 308 is arranged back to the aluminum alloy cooling liquid box 307, a cooling fan 309 is embedded on the base 1, the cooling fan 309 is used for blowing air towards the heating surface of the semiconductor refrigerating sheet 308, a rain shield 310 is fixedly arranged between the aluminum alloy cooling liquid box 307 and the base 1, a plurality of strip-shaped ventilation holes are uniformly formed in the side wall of the rain shield 310, the bottoms of the strip-shaped ventilation holes are all obliquely arranged towards the outside of the rain shield 310, and the position where the rain shield 310 is in contact with the box 201 is sealed.
When the cooling mechanism adopting the technical scheme is used, the cooling liquid in the aluminum alloy cooling liquid box 307 is pumped into the cylindrical jacking block 319 through the hose 337 by the submersible pump, and then flows back to the inside of the aluminum alloy cooling liquid box 307 through the other hose 337, so that the photovoltaic micro inverter 304 can circularly dissipate heat, meanwhile, the semiconductor refrigerating sheet 308 is used for cooling the cooling liquid in the aluminum alloy cooling liquid box 307, the cooling fan 309 is used for blowing and cooling the heating surface of the semiconductor refrigerating sheet 308, the rain shield 310 is used for protecting the cooling fan 309, the cooling fan 309 can be prevented from being drenched by rainwater, the service life of the cooling fan 309 is ensured, and the cooling mechanism can ensure the cooling effect of the photovoltaic micro inverter 304 and can prevent the photovoltaic micro inverter 304 from being polluted by dust, so that the photovoltaic micro inverter 304 can stably run for a long time.
Specifically, in this embodiment, in order to improve the intelligent operation degree of the photovoltaic micro-inversion system, a controller 340, a distance sensor 339 and a temperature sensor are fixedly installed in the box 301, and in order to facilitate the operation of the stepper motor 338, an unlocking button 306 and a locking button 305 are symmetrically installed on the outer side wall of the box 301 below the inclined plane 303.
The controller 340 is electrically connected to the energy storage battery 204, and a 5G communication module is built in the controller 340, and the controller 340 is electrically connected to the distance sensor 339, the unlocking button 306, the locking button 305, the temperature sensor, the driving motor 208, the electric push rod 212, the stepping motor 338, the semiconductor refrigerating sheet 308, the submersible pump and the cooling fan 309, respectively, and the energy storage battery 204 is used for supplying power to the controller 340, the unlocking button 306, the locking button 305, the temperature sensor, the driving motor 208, the electric push rod 212, the stepping motor 338, the semiconductor refrigerating sheet 308, the submersible pump and the cooling fan 309, respectively;
the distance sensor 339 is used for detecting the distance between the pressing plate 334 and the pressing plate 334, and uploading the detected distance data to the controller 340, the controller 340 determines the position of the pressing plate 334 according to the received distance data to accurately control the stepping motor 338 to work, when the distance sensor 339 detects that the distance between the pressing plate 334 and the pressing plate 334 is smaller than the set distance, the stepping motor 338 stops driving the pressing plate 334 to move away from the guide block 336, when the distance sensor 339 detects that the distance between the pressing plate 334 and the pressing plate 334 is larger than the set distance, the stepping motor 338 stops driving the pressing plate 334 to move close to the guide block 336, and the pressing plate 334 can be prevented from crushing the connecting plug 316.
The temperature sensor is used for detecting the temperature inside the box 301 and uploading the temperature data to the controller 340, and the controller 340 controls the semiconductor refrigerating sheet 308, the submersible pump and the cooling fan 309 to automatically serve as the photovoltaic micro inverter 304 for cooling according to the received temperature data;
the unlocking button 306 is used for inputting an unlocking signal to the controller 340, when the controller 340 receives the unlocking signal, the controller 340 controls the stepping motor 338 to work to drive the pressing plate 334 to move away from the guide block 336, so that the first spring 317 drives the conductive sheet on the connection plug 316 to be pulled out of the interface 313 at the front end of the photovoltaic micro inverter 304, meanwhile, the stepping motor 338 drives the second lead screw 332 to drive the driving synchronous pulley 330 to rotate, the driving synchronous pulley 330 drives the driven synchronous pulley 327 to rotate through the synchronous belt 329, and the driven synchronous pulley 327 drives the first lead screw 328 to rotate to drive the locking baffle 325 to move away from the sliding seat 323 to release the second spring 324 to release the sliding seat 323 for unlocking, and at the moment, the photovoltaic micro inverter 304 can be pulled out of the slot body 318 through the handle 315;
the locking button 305 is used for inputting a locking signal to the controller 340, when the controller 340 receives the locking signal, the controller 340 controls the stepping motor 338 to work to drive the pressing plate 334 to move close to the guide block 336, so that the first spring 317 drives the conductive sheet on the connection plug 316 to pass through the through hole on the top wall of the slot body 318 and be inserted into the interface 313 at the front end of the photovoltaic micro inverter 304, meanwhile, the stepping motor 338 drives the second screw 332 to drive the driving synchronous pulley 330 to rotate, the driving synchronous pulley 330 drives the driven synchronous pulley 327 to rotate through the synchronous belt 329, the driven synchronous pulley 327 drives the first screw 328 to rotate to drive the locking baffle 325 to move close to the sliding seat 323 to press the second spring 324 to tightly lock the sliding seat 323, and at the moment, the photovoltaic micro inverter 304 cannot be pulled out from the inside of the slot body 318.
It should be noted that the controller 340 may be a PLC controller miniaturized in S7-200, the temperature sensor may be a pt100 temperature sensor, and the distance sensor 339 may be an infrared distance sensor with a model number GP2Y0a02YK 0F.
In summary, the photovoltaic micro-inversion system provided in this embodiment has the following advantages:
the photovoltaic micro-inversion system mainly comprises a base 1, a plurality of groups of supporting pieces 4, a photovoltaic power generation device 2 and a micro-inversion device 3, wherein the photovoltaic power generation device 2 comprises a box 201, a solar panel 202, an angle adjusting mechanism and an energy storage battery 204;
the provided angle adjusting mechanism is used for adjusting the orientation and the inclination angle of the solar panel 202, and mainly comprises a bearing seat 203, a vertical rod 207, a U-shaped seat 213, a connecting seat 209, a driving motor 208, a driving conical gear 205, a driven conical gear 206, a first hinging seat 211, a second hinging seat 210 and an electric push rod 212, wherein the driving motor 208 and the electric push rod 212 are controlled by a controller 340, the controller 340 has a communication function, and the weather condition of the local day and the running track of the sun can be known by means of the Internet, so that the driving motor 208 and the electric push rod 212 are controlled to automatically adjust the orientation and the inclination angle of the solar panel 202, the solar panel 202 can always face the sunlight, and the power generation efficiency of the solar panel 202 can be improved to the greatest extent;
When the heat dissipation mechanism is used, the cooling liquid in the aluminum alloy cooling liquid box 307 is pumped into the cylindrical jacking block 319 through the hose 337 by the submersible pump, and then flows back to the aluminum alloy cooling liquid box 307 through the other hose 337, so that the photovoltaic micro-inverter 304 can circularly dissipate heat, the heat dissipation effect of the photovoltaic micro-inverter 304 can be ensured, and meanwhile, the photovoltaic micro-inverter 304 can be prevented from being polluted by dust, so that the photovoltaic micro-inverter 304 can stably operate for a long time;
the driving assembly mainly comprises a stepping motor 338, a driving synchronous pulley 330, a driven synchronous pulley 327 and a synchronous belt 329, wherein the stepping motor 338, the driving synchronous pulley 330, the driven synchronous pulley 327 and the synchronous belt 329 are mutually matched to drive the second screw rod 332 and the first screw rod 328 to synchronously rotate, so that the purpose of simultaneously driving a pressing mechanism and a locking mechanism to work by using one stepping motor 338 can be realized, the manufacturing cost of the photovoltaic micro-inverter system can be reduced, and particularly, the synchronous unlocking and power failure of the photovoltaic micro-inverter 304 can be realized, the assembly and the disassembly are convenient, the safety is improved, and the electric shock can be avoided;
the box 301 is provided with an inclined plane 303 on a side surface facing away from the box 201, and a slot body 318 for installing the photovoltaic micro inverter 304 is concavely formed on the inclined plane 303, when the photovoltaic micro inverter 304 is inserted into the slot body 318, the front end of the photovoltaic micro inverter 304 is locked in the slot body 318 by utilizing the locking mechanism to match with the arc clamping groove 312, and meanwhile, the conductive sheet on the connecting plug 316 is driven by utilizing the pressing mechanism to penetrate through the through hole on the top wall of the slot body 318 and is inserted into the interface 313 at the front end of the photovoltaic micro inverter 304, so that the photovoltaic micro inverter 304 is convenient to install.
When the solar panel 202 is used, the controller 340 has a communication function, and can acquire the weather condition of the local day and the running track of the sun by means of the Internet, so that the driving motor 208 and the electric push rod 212 are controlled to automatically work to adjust the orientation and the inclination angle of the solar panel 202, the solar panel 202 can always face the sunlight, and the power generation efficiency of the solar panel 202 can be improved to the greatest extent;
when the photovoltaic micro inverter 304 is disassembled and assembled:
pressing the unlocking button 306 to input an unlocking signal to the controller 340, when the controller 340 receives the unlocking signal, the controller 340 controls the stepping motor 338 to work to drive the pressing plate 334 to move away from the guide block 336, so that the first spring 317 drives the conductive sheet on the connecting plug 316 to be pulled out of the interface 313 at the front end of the photovoltaic micro inverter 304, meanwhile, the stepping motor 338 drives the second lead screw 332 to drive the driving synchronous pulley 330 to rotate, the driving synchronous pulley 330 drives the driven synchronous pulley 327 to rotate through the synchronous belt 329, and the driven synchronous pulley 327 drives the first lead screw 328 to rotate to drive the locking baffle 325 to move away from the sliding seat 323 to release the second spring 324 to release the sliding seat 323 for unlocking, and at the moment, the photovoltaic micro inverter 304 can be pulled out of the slot body 318 through the handle 315;
Pressing the locking button 305 to input a locking signal to the controller 340, when the controller 340 receives the locking signal, the controller 340 controls the stepping motor 338 to work to drive the pressing plate 334 to move close to the guide block 336, so that the first spring 317 drives the conductive sheet on the connecting plug 316 to pass through the through hole on the top wall of the slot body 318 and be inserted into the interface 313 at the front end of the photovoltaic micro inverter 304, meanwhile, the stepping motor 338 drives the second lead screw 332 to drive the driving synchronous pulley 330 to rotate, the driving synchronous pulley 330 drives the driven synchronous pulley 327 to rotate through the synchronous belt 329, and the driven synchronous pulley 327 drives the first lead screw 328 to rotate to drive the locking baffle 325 to move close to the sliding seat 323 to press the second spring 324 to tightly lock the sliding seat 323, so that the photovoltaic micro inverter 304 cannot be pulled out from the interior of the slot body 318;
the temperature sensor detects the temperature inside the box 301 in real time and uploads the temperature data to the controller 340, and the controller 340 controls the semiconductor refrigerating sheet 308, the submersible pump and the cooling fan 309 to automatically serve as the photovoltaic micro inverter 304 for cooling according to the received temperature data.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (8)
1. A photovoltaic micro-inversion system, comprising:
base (1), the bottom fixed mounting of base (1) has a plurality of support piece (4) of group, just the upper portion of base (1) is provided with photovoltaic power generation device (2) and little contrary device (3), wherein:
the photovoltaic power generation device (2) is used for converting solar energy into electric energy and storing the converted electric energy;
the micro-inversion device (3) is used for converting direct current generated by the photovoltaic power generation device (2) into alternating current and connecting the alternating current into an alternating current power grid;
each group of supporting pieces (4) comprises a supporting leg (401) fixedly arranged at the bottom of the base (1) and a mounting plate (402) fixedly arranged at the bottom end of the supporting leg (401), and mounting holes are formed in the mounting plate (402);
the photovoltaic power generation device (2) comprises a box body (201), a solar panel (202) and an energy storage battery (204), wherein the box body (201) is fixedly arranged on the upper portion of the base (1), the solar panel (202) is arranged above the box body (201) through an angle adjusting mechanism, the energy storage battery (204) is fixedly arranged on the upper portion of the base (1), the energy storage battery (204) is positioned in the box body (201), and the energy storage battery (204) is electrically connected with the solar panel (202) through a solar controller;
The micro-inversion device (3) comprises a box body (301), a cover plate (302), a photovoltaic micro inverter (304), a locking mechanism, a connecting plug (316), a pressing mechanism and a heat dissipation mechanism, wherein the box body (301) is fixedly arranged on one side surface of the box body (201), a gap is reserved between the bottom of the box body (301) and the upper part of the base (1), an inclined surface (303) is arranged on one side surface of the box body (301) back to the box body (201), the inclined surface (303) is inwards concave to form a slot body (318) for installing the photovoltaic micro inverter (304), an arc-shaped opening through slot (311) is formed in the bottom of the slot body (318), a through hole is formed in the top wall of the slot body (318), the cover plate (302) is fixedly arranged on the top of the box body (301), an arc-shaped clamping slot (312) is reserved at the bottom of the photovoltaic micro inverter (304), an interface (313) is reserved at the front end of the box body (304), an arc-shaped clamping slot (312) is reserved at the back end of the photovoltaic micro inverter (304), an arc-shaped opening through slot (311) is formed in the top wall of the slot body (318), an arc-shaped opening through which is fixedly arranged on the top wall of the photovoltaic micro inverter (304), the locking mechanism is installed inside the box body (301), just locking mechanism cooperates arc draw-in groove (312) will the front end lock of photovoltaic micro inverter (304) is in inside of the slot body (318), connecting plug (316) slidable mounting is on two slide bars (335), just connecting plug (316) with the output of solar cell panel (202) is connected, two slide bars (335) are all fixed mounting be in the roof of slot body (318) with between the inner wall of box body (301), and two all suit is equipped with first spring (317) on slide bars (335), first spring (317) are located the roof of slot body (318) with between connecting plug (316), be used for the drive connecting plug (316) with interface (313) separation of photovoltaic micro inverter (304) front end, hold-down mechanism installs inside of box body (301), be used for the drive on connecting plug (316) the conducting strip of photovoltaic inverter (304) pass roof of photovoltaic inverter (304) insert in the micro-type heat dissipation mechanism.
2. The photovoltaic micro-inversion system according to claim 1, wherein the angle adjusting mechanism comprises a bearing seat (203), a vertical rod (207), a U-shaped seat (213), a connecting seat (209), a driving motor (208), a driving conical gear (205), a driven conical gear (206), a first hinging seat (211), a second hinging seat (210) and an electric push rod (212), wherein the bearing seat (203) is fixedly installed on the upper part of the base (1), the vertical rod (207) is vertically arranged, the bottom end of the vertical rod (207) is rotatably installed in the bearing seat (203), the upper end of the vertical rod (207) penetrates through the top wall of the box (201) to be rotatably connected with the top wall of the box (201) through a sealing bearing, the U-shaped seat (213) is fixedly installed on the upper end of the vertical rod (207), the bottom of the connecting seat (209) is hinged on the U-shaped seat (213) through a rotating shaft, the upper part of the connecting seat (209) is fixedly connected with the bottom of the solar panel (202), the driving motor (208) is fixedly connected with the bottom of the solar panel (208), the driving conical gear (208) is fixedly installed on the driving shaft (208) through the top wall of the box (201), and driven bevel gear (206) with initiative bevel gear (205) intermeshing, driving motor (208), initiative bevel gear (205) and driven bevel gear (206) all are located the inside of box (201), first articulated seat (211) fixed mounting is in the lateral part of pole setting (207), just first articulated seat (211) are located the top of box (201), second articulated seat (210) fixed mounting is in the bottom of solar cell panel (202), electric putter's (212) one end articulates on first articulated seat (211), just electric putter's (212) other end articulates on second articulated seat (210), wherein:
The solar cell panel comprises an energy storage battery (204), a driving motor (208) and an electric push rod (212), wherein the driving motor (208) is electrically connected with the energy storage battery (204), the driving motor (208) is used for driving a driving conical gear (205) to drive a driven conical gear (206) to rotate, the driven conical gear (206) is used for driving a vertical rod (207) to rotate so as to adjust the direction of the solar cell panel (202), and the electric push rod (212) is used for driving the solar cell panel (202) to rotate around a rotating shaft between a connecting seat (209) and a U-shaped seat (213) so as to adjust the inclination angle of the solar cell panel (202).
3. The photovoltaic micro-inversion system according to claim 1, wherein the locking mechanism comprises two first guide rods (326), a first screw rod (328), a sliding seat (323), a locking baffle (325), a second spring (324), a connecting seat (321), a supporting plate (320) and a cylindrical pushing block (319), wherein the two first guide rods (326) are fixedly installed inside the box body (301), the two first guide rods (326) are located below the arc opening through groove (311), the first screw rod (328) is rotatably installed inside the box body (301) through a bearing, the first screw rod (328) is located between the two first guide rods (326), the sliding seat (323) and the locking baffle (325) are slidably sleeved on the two first guide rods (326), the two first screw rods (326) are fixedly installed on the two first guide rods (324) through bearings, the two first screw rod (326) are fixedly installed on the two first screw rod (328) and the second screw rod (325) through bearings, the first screw rod (328) are fixedly installed on the two screw rods (324) through bearings, the two screw rods (328) are fixedly installed on the two screw rods (324) and are fixedly installed on the two screw rods (323) through the connecting seat (324), the support plate (320) is installed on the upper portion of the connecting seat (321) through two groups of spring rods (322), the cylindrical jacking blocks (319) are fixedly installed at the upper end of the support plate (320), the cylindrical jacking blocks (319) are abutted against the inside of the arc-shaped open through grooves (311) under the cooperation of the second springs (324) and the two groups of spring rods (322), the cylindrical jacking blocks (319) are clamped into the arc-shaped clamping grooves (312) when the cylindrical jacking blocks (319) are abutted against the inside of the arc-shaped open through grooves (311), the first screw rods (328) are rotated, the locking baffle plates (325) can be moved close to or away from the sliding seat (323), the second springs (324) are extruded to tightly lock the sliding seat (323) when the locking baffle plates (325) are moved close to the sliding seat (323), and the second springs (324) are released when the locking baffle plates (325) are moved away from the sliding seat (323).
4. A photovoltaic micro-inversion system according to claim 3, wherein the compression mechanism comprises two second guide rods (331), a fixed plate (333), a second screw rod (332), a compression plate (334), a guide block (336) and a driving assembly, one ends of the two second guide rods (331) are fixedly installed on the inner wall of the box body (301), the fixed plate (333) is fixedly installed on the other ends of the two second guide rods (331), the second screw rod (332) is rotatably installed between the fixed plate (333) and the inner wall of the box body (301) through a bearing, the compression plate (334) is slidably sleeved on the two second guide rods (331), the compression plate (334) is in threaded connection with the second screw rod (332), the guide block (336) is fixedly installed on the connecting plug (316), one side surface of the guide block (336) is slidably attached to one side surface of the compression plate (334), the driving assembly is used for moving the second screw rod (334) close to the second screw rod (332) or moving the compression plate (334) close to the first screw rod (332), the compression plate (334) extrudes the guide block (336) to push the connecting plug (316) to move towards the slot body (318), and when the compression plate (334) moves away from the guide block (336), the compression plate (334) loosens the guide block (336) and enables the connecting plug (316) to move back to the slot body (318) under the action of the first spring (317).
5. The photovoltaic micro-inversion system according to claim 4, wherein the driving assembly comprises a stepping motor (338), a driving synchronous pulley (330), a driven synchronous pulley (327) and a synchronous belt (329), the stepping motor (338) is fixedly installed on the fixed plate (333), a rotating shaft of the stepping motor (338) is fixedly connected with one end of the second screw (332), the driving synchronous pulley (330) is fixedly sleeved on the second screw (332), the driven synchronous pulley (327) is fixedly sleeved on the first screw (328), and the synchronous belt (329) is sleeved on the peripheries of the driven synchronous pulley (327) and the driving synchronous pulley (330).
6. The photovoltaic micro-inversion system according to claim 5, wherein each group of spring rods (322) comprises a cylinder (3221), a third spring (3224), a circular slider (3223) and a connecting rod (3222), the cylinder (3221) is fixedly installed on the upper portion of the connecting seat (321), the third spring (3224) is installed inside the cylinder (3221), the circular slider (3223) is slidingly installed inside the cylinder (3221), the circular slider (3223) is located at the upper end of the third spring (3224), the connecting rod (3222) is movably installed on the top wall of the cylinder (3221), the bottom end of the connecting rod (3222) is fixedly connected with the upper portion of the circular slider (3223), and the upper end of the connecting rod (3222) is fixedly connected with the bottom end of the supporting plate (320).
7. The photovoltaic micro reverse system according to claim 6, wherein the inside of the cylindrical tightening block (319) is of a hollow structure, the cylindrical tightening block (319) is made of aluminum alloy, a plurality of annular heat dissipation grooves are formed in the cylindrical surface of the cylindrical tightening block (319), the cylindrical surface of the cylindrical tightening block (319) is in fit connection with the groove wall of the arc-shaped clamping groove (312), the heat dissipation mechanism comprises an aluminum alloy cooling liquid box (307), a heat dissipation fan (309) and a rain shield (310), the inside of the aluminum alloy cooling liquid box (307) is provided with cooling liquid, a submersible pump is fixedly arranged in the inside of the aluminum alloy cooling liquid box (307), one end of the cylindrical tightening block (319) is communicated with the inside of the aluminum alloy cooling liquid box (307) through one hose (337), the other end of the cylindrical tightening block (319) is communicated with the water outlet of the submersible pump through the other hose (337), a semiconductor (308) is fixedly arranged at the bottom of the aluminum alloy cooling liquid box (307), the semiconductor (308) is fixedly arranged on the bottom of the aluminum alloy cooling liquid box (307), the semiconductor (308) is in contact with the cooling liquid (308) and is arranged on the cooling liquid (308) and is in contact with the cooling liquid (308) of the cooling liquid, and radiator fan (309) are used for blowing towards the face that generates heat of semiconductor refrigeration piece (308), rain cover (310) fixed mounting be in between aluminum alloy coolant liquid box (307) and base (1), be used for the protection radiator fan (309), just evenly seted up a plurality of rectangular shape ventilation holes on the lateral wall of rain cover (310), a plurality of rectangular shape ventilation holes's bottom all inclines to be directed towards the outside setting of rain cover (310), rain cover (310) with sealed processing is done to the position that box (201) contacted.
8. The photovoltaic micro-inversion system according to claim 7, wherein the controller (340), the distance sensor (339) and the temperature sensor are fixedly installed in the box (301), and an unlocking button (306) and a locking button (305) are symmetrically installed below the inclined plane (303) on the outer side wall of the box (301), wherein:
the controller (340) is electrically connected with the energy storage battery (204), a 5G communication module is arranged in the controller (340), the controller (340) is respectively connected with the distance sensor (339), the unlocking button (306), the locking button (305), the temperature sensor, the driving motor (208), the electric push rod (212), the stepping motor (338), the semiconductor refrigerating sheet (308), the submersible pump and the cooling fan (309), the energy storage battery (204) is used for respectively supplying power to the controller (340), the unlocking button (306), the locking button (305), the temperature sensor, the driving motor (208), the electric push rod (212), the stepping motor (338), the semiconductor refrigerating sheet (308), the submersible pump and the cooling fan (309);
The distance sensor (339) is used for detecting the distance between the pressing plate (334) and the pressing plate, and uploading detected distance data to the controller (340), and the controller (340) judges the position of the pressing plate (334) according to the received distance data so as to accurately control the operation of the stepping motor (338);
the temperature sensor is used for detecting the temperature inside the box body (301) and uploading temperature data to the controller (340), and the controller (340) controls the semiconductor refrigerating sheet (308), the submersible pump and the cooling fan (309) to automatically serve as the photovoltaic micro inverter (304) for cooling according to the received temperature data;
the unlocking button (306) is used for inputting an unlocking signal to the controller (340), when the controller (340) receives the unlocking signal, the controller (340) controls the stepping motor (338) to work so as to drive the pressing plate (334) to move away from the guide block (336), the first spring (317) drives the conducting plate on the connecting plug (316) to be pulled out of the interface (313) at the front end of the photovoltaic micro inverter (304), meanwhile, the stepping motor (338) drives the second lead screw (332) to drive the driving synchronous pulley (330) to rotate, the driving synchronous pulley (330) drives the driven synchronous pulley (327) to rotate through the synchronous belt (329), the driven synchronous pulley (327) drives the first lead screw (328) to rotate so as to drive the locking baffle (325) to move away from the sliding seat (323) to release the second spring (324) so as to release the sliding seat (323), and at the moment, the photovoltaic micro inverter (318) can be pulled out of the interior of the slot (318) through the handle (315);
The locking button (305) is used for inputting locking signals to the controller (340), when the controller (340) receives the locking signals, the controller (340) controls the stepping motor (338) to work and drive the pressing plate (334) to move close to the guide block (336) so that the first spring (317) drives the conducting strip on the connecting plug (316) to penetrate through the through hole on the top wall of the slot body (318) and insert into the interface (313) at the front end of the photovoltaic micro inverter (304), meanwhile, the stepping motor (338) drives the second screw (332) to drive the driving synchronous pulley (330) to rotate, the driving synchronous pulley (330) drives the driven synchronous pulley (327) to rotate through the synchronous belt (329), the driven synchronous pulley (327) drives the first screw (328) to rotate and drive the locking baffle (325) to move close to the sliding seat (323) and squeeze the second spring (324) to tightly lock the sliding seat (318), and the photovoltaic micro inverter (304) cannot be pulled out from the interior of the slot body (304).
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| CN202410246444.7A CN117833794B (en) | 2024-03-05 | 2024-03-05 | Photovoltaic micro-inversion system |
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| CN202410246444.7A CN117833794B (en) | 2024-03-05 | 2024-03-05 | Photovoltaic micro-inversion system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116937933A (en) * | 2023-06-15 | 2023-10-24 | 深圳市智芯驱动技术有限公司 | Dustproof photovoltaic micro-inverter |
| CN219918799U (en) * | 2023-04-16 | 2023-10-27 | 国网吉林综合能源服务有限公司 | Ground adjustable angle light Fu Banjia |
| CN220291881U (en) * | 2023-06-08 | 2024-01-02 | 武汉冠优新能源科技有限公司 | Photovoltaic energy storage inverter |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN219918799U (en) * | 2023-04-16 | 2023-10-27 | 国网吉林综合能源服务有限公司 | Ground adjustable angle light Fu Banjia |
| CN220291881U (en) * | 2023-06-08 | 2024-01-02 | 武汉冠优新能源科技有限公司 | Photovoltaic energy storage inverter |
| CN116937933A (en) * | 2023-06-15 | 2023-10-24 | 深圳市智芯驱动技术有限公司 | Dustproof photovoltaic micro-inverter |
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