CN116545020A - Solar photovoltaic power generation and energy storage integrated device - Google Patents
Solar photovoltaic power generation and energy storage integrated device Download PDFInfo
- Publication number
- CN116545020A CN116545020A CN202310592752.0A CN202310592752A CN116545020A CN 116545020 A CN116545020 A CN 116545020A CN 202310592752 A CN202310592752 A CN 202310592752A CN 116545020 A CN116545020 A CN 116545020A
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- Prior art keywords
- radiating
- heat dissipation
- energy storage
- installation cavity
- distribution box
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- 238000004146 energy storage Methods 0.000 title claims abstract description 66
- 238000010248 power generation Methods 0.000 title claims abstract description 42
- 238000005286 illumination Methods 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000017525 heat dissipation Effects 0.000 claims description 115
- 238000009434 installation Methods 0.000 claims description 81
- 238000009423 ventilation Methods 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 32
- 239000000110 cooling liquid Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 210000002310 elbow joint Anatomy 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
-
- 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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to the technical field of photovoltaic power generation, and provides a solar photovoltaic power generation and energy storage integrated device, which comprises a photovoltaic panel, a distribution box and an illumination intensity sensor, wherein the distribution box is internally provided with: the controller is electrically connected with the illumination intensity sensor; the energy storage battery is electrically connected with the controller and the photovoltaic panel; the grid-connected inverter is electrically connected with the energy storage battery, the controller and the alternating current power grid, and converts direct current generated by the photovoltaic panel or electric energy in the energy storage battery into alternating current which can be directly combined with the alternating current power grid; the power supply and distribution electric quantity detection circuit is electrically connected with the energy storage battery and the controller; according to the utility model, through the arrangement of the illumination intensity sensor and the power supply and distribution electric quantity detection circuit, the judgment of whether the photovoltaic power generation is connected with the grid or not can be carried out according to the illumination intensity and the electric quantity of the energy storage battery, and the influence of the photovoltaic power generation connection on the alternating current power grid is reduced.
Description
Technical Field
The utility model relates to the technical field of photovoltaic power generation, in particular to a solar photovoltaic power generation and energy storage integrated device.
Background
Photovoltaic power generation is greatly affected by illumination conditions, and the power generated by the photovoltaic power generation increases with the increase of illumination. Because of the instability of photovoltaic power generation, an energy storage battery is usually required to be configured, power generated by a photovoltaic panel is stored in the battery, and when the battery is required to be used, the stored electric energy in the battery is directly used.
The utility model patent with the prior application number of CN201720427036.7 discloses a solar photovoltaic power generation and energy storage integrated device, which comprises an energy box, wherein a charge and discharge management component and a grid-connected inverter are embedded in the energy box, and the charge and discharge management component is in wired electric connection with the grid-connected inverter; and simultaneously, the alternating-current distribution box and the commercial power supply power for users in a grid-connected mode, and a lithium storage battery assembly is further arranged in the energy box. The solar photovoltaic power generation and energy storage integrated device provided by the patent serves as a household charger through the charge and discharge management assembly, solar photovoltaic power is stored in the daytime, and discharge is provided for household electric equipment when needed. The power supply system can be used in grid connection with a municipal power grid, and improves the power supply reliability; the lithium battery is adopted, the volume is small, the storage capacity is large, and the service life is long.
However, the solar photovoltaic power generation and energy storage integrated device provided by the patent does not have the function of detecting the illumination intensity of the environment where the photovoltaic panel is located, does not have the function of detecting the electric quantity of the storage battery, cannot judge whether the photovoltaic power generation is connected with the grid according to the illumination intensity and the electric quantity of the storage battery, and is not beneficial to reducing the influence of the photovoltaic power generation connection to the power grid.
Disclosure of Invention
The utility model aims to provide a solar photovoltaic power generation and energy storage integrated device, and aims to solve the problems that the existing solar photovoltaic power generation and energy storage integrated device cannot judge whether photovoltaic power generation is connected or not according to illumination intensity and electric quantity of a storage battery, and influence of photovoltaic power generation connection on a power grid is not reduced.
The utility model provides a solar photovoltaic power generation energy storage integrated device, is including the photovoltaic board that is used for receiving solar energy, still includes block terminal and illumination intensity sensor, illumination intensity sensor is used for detecting the illumination intensity of photovoltaic board place environment, be provided with in the block terminal:
the illumination intensity sensor is electrically connected with the controller;
the energy storage battery is electrically connected with the controller and the photovoltaic panel;
the grid-connected inverter is electrically connected with the energy storage battery, the controller and the alternating current power grid, and converts direct current generated by the photovoltaic panel or electric energy in the energy storage battery into alternating current capable of being directly combined with the alternating current power grid;
the power supply and distribution electric quantity detection circuit is used for detecting the electric quantity of the energy storage battery, and the power supply and distribution electric quantity detection circuit is electrically connected with the energy storage battery and the controller.
Preferably, a radiating element mounting cavity, an electrical equipment mounting cavity and a circulating fan mounting cavity are arranged in the distribution box from top to bottom;
in addition, the method also comprises the following steps:
the first ventilation partition plate is arranged in the distribution box and is positioned between the radiating element installation cavity and the electrical equipment installation cavity;
the second ventilation partition plate is arranged in the distribution box and is positioned between the electric equipment installation cavity and the circulating fan installation cavity;
a plurality of first heat dissipation elements are arranged in the heat dissipation element mounting cavity; the first radiating element is hollow and sheet-shaped, first cooling liquid is arranged in the first radiating element, one end of the first radiating element is positioned in the radiating element mounting cavity, the other end of the first radiating element is positioned at the outer side of the distribution box, and one end of the first radiating element positioned at the outer side of the distribution box is higher than one end of the first radiating element positioned in the radiating element mounting cavity;
the circulating fan is arranged in the circulating fan mounting cavity and blows air to the electric equipment mounting cavity and the radiating element mounting cavity;
the radiating pipe is arranged on the outer side of the distribution box and used for communicating the radiating element installation cavity and the circulating fan installation cavity.
Preferably, a third ventilation partition plate is further arranged in the distribution box, the third ventilation partition plate is located above the first ventilation partition plate, the radiating element installation cavity is divided into a first radiating element installation cavity and a second radiating element installation cavity, the second radiating element installation cavity is located above the first radiating element installation cavity, a second radiating element is installed in the second radiating element installation cavity, and the upper end of the radiating pipe is communicated with the second radiating element installation cavity.
Preferably, the second heat dissipation element is in a circular tube shape or a hollow sheet shape, and a second cooling liquid is arranged in the second heat dissipation element, and the boiling point of the second cooling liquid is smaller than that of the first cooling liquid; the second radiating elements are provided with a plurality of radiating elements, the lower ends of the radiating elements are positioned in the second radiating element mounting cavity, and the upper ends of the radiating elements are positioned above the distribution box.
Preferably, the first heat dissipating elements are disposed in the heat dissipating element mounting cavity at equal intervals along the left-right direction, the first heat dissipating elements are parallel to each other, and the first heat dissipating elements are disposed in the heat dissipating element mounting cavity at an inclination along the left-right direction.
Preferably, a coaming is arranged in the circulating fan installation cavity, the coaming divides the circulating fan installation cavity into an air inlet cavity and an air outlet cavity, the lower end of the radiating pipe is communicated with the air inlet cavity, and the air outlet cavity is communicated with the electric equipment installation cavity through an air hole of the second ventilation partition plate; the lower extreme of bounding wall is provided with the air inlet, circulation fan installs this air inlet department.
Preferably, the upper end of bounding wall is the gas vent, the upper end of bounding wall links to each other with the lower extreme of the ventilative baffle of second, the gas vent of bounding wall upper end is rectangular structure, the air inlet of bounding wall lower extreme is circular structure, the diameter of air inlet is less than the length and the width of gas vent, the air inlet is located the gas vent middle part position under, the internal face of bounding wall from bottom to top spreads all around.
Preferably, the two groups of radiating pipes are respectively positioned at the left side and the right side of the distribution box, and the plurality of radiating pipes of each group of radiating pipes are uniformly arranged along the front-back direction of the distribution box; the radiating pipe comprises a straight pipe portion and elbow joint portions located at the upper end and the lower end of the straight pipe portion, and the straight pipe portion of the radiating pipe is not in contact with the outer wall of the distribution box.
Preferably, a heat dissipation box is arranged on the left side or the right side of the distribution box, a heat dissipation hole is formed in the side wall of the upper end of the heat dissipation box, an air inlet pipe communicated with the inside of the heat dissipation box is arranged on the side wall of the lower end of the heat dissipation box, and a heat dissipation ventilating fan is arranged in the air inlet pipe; the plurality of radiating pipes are uniformly arranged along the front-back direction of the distribution box, and each radiating pipe is positioned in the radiating box; the radiating pipe comprises a straight pipe portion and elbow joint portions located at the upper end and the lower end of the straight pipe portion, and the straight pipe portion of the radiating pipe is not in contact with the outer wall of the distribution box.
Preferably, a dust filtering net is arranged on one side of the air inlet pipe, which is positioned at the air suction opening of the radiating ventilating fan, the lower end of the air inlet pipe is higher than the inner bottom wall of the radiating box, and water permeable holes are formed in the bottom wall of the radiating box.
The working principle and the beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the illumination intensity sensor and the power supply and distribution electric quantity detection circuit, the judgment of whether the photovoltaic power generation is connected with the grid or not can be carried out according to the illumination intensity and the electric quantity of the energy storage battery, and the influence of the photovoltaic power generation connection on the alternating current power grid is reduced.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a block diagram showing the construction of embodiment 1 of the present utility model;
fig. 2 is a schematic perspective view of embodiment 2 of the present utility model in a front depression;
fig. 3 is a schematic perspective view of embodiment 2 of the present utility model in a rear plan view;
fig. 4 is a schematic view showing the internal structure of embodiment 2 of the present utility model in a front depression;
FIG. 5 is a schematic view showing the internal structure of embodiment 2 of the present utility model;
fig. 6 is a front view of embodiment 3 of the present utility model;
fig. 7 is a rear view of embodiment 3 of the present utility model with the photovoltaic power generation apparatus removed;
fig. 8 is a schematic view showing the internal structure of embodiment 3 of the present utility model with the photovoltaic power generation apparatus removed;
fig. 9 is a side view of embodiment 3 of the present utility model with the photovoltaic power generation apparatus removed.
In the figure: 1. a distribution box; 2. a first breathable barrier; 3. a second breathable barrier; 4. a first heat dissipation element; 5. a circulation fan; 6. a heat radiating pipe; 7. a third breathable barrier; 8. a second heat dissipation element; 9. coaming plate; 10. a heat radiation box; 11. a heat radiation hole; 12. an air inlet pipe; 13. a photovoltaic panel.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The embodiment provides a solar photovoltaic power generation and energy storage integrated device, which is shown in fig. 1 and comprises a photovoltaic panel 13 for receiving solar energy, an illumination intensity sensor for detecting the illumination intensity of the environment where the photovoltaic panel 13 is positioned, and a distribution box 1 for installing electrical equipment and electrical elements. The distribution box 1 is provided with a controller, an energy storage battery, a grid-connected inverter and a power supply and distribution electric quantity detection circuit. The energy storage battery is electrically connected with the controller and the photovoltaic panel 13, and the grid-connected inverter is electrically connected with the energy storage battery, the controller and the alternating current power grid, and the grid-connected inverter converts direct current generated by the photovoltaic panel 13 or electric energy in the energy storage battery into alternating current which can be directly combined with the alternating current power grid. The power supply and distribution electric quantity detection circuit is electrically connected with the energy storage battery and the controller and is used for detecting the electric quantity of the energy storage battery. The illumination intensity sensor is electrically connected with the controller.
The working principle of the embodiment is as follows: through setting up the illumination intensity sensor, can detect the illumination intensity of photovoltaic board 13 place environment to transmit the testing result to the controller, be provided with illumination intensity threshold in the controller, when the illumination intensity of photovoltaic board 13 place environment exceeds the illumination intensity threshold that sets up in the controller, indicate that photovoltaic board 13 can produce comparatively stable direct current electric energy, so, when the direct current electric energy that will photovoltaic board 13 produce is incorporated into the power networks through the dc-to-ac converter, can effectively reduce photovoltaic power generation and be incorporated into the power networks to the influence of ac power grid. Through setting up power supply and distribution electric quantity detection circuit, can detect the electric quantity of energy storage battery, when the energy storage battery electric quantity is full or will be full also meet the illumination intensity of the environment that photovoltaic board 13 is located and can not reach the illumination intensity threshold value that sets up in the controller, the controller control grid-connected inverter changes the electric energy in the energy storage battery into the alternating current that can directly incorporate the AC power grid, and the electric energy that photovoltaic board 13 produced continues to deposit in the energy storage battery. Therefore, through the arrangement of the illumination intensity sensor and the power supply and distribution electric quantity detection circuit, whether the photovoltaic power generation is connected with the grid or not can be judged according to the illumination intensity and the electric quantity of the energy storage battery, and the influence of the photovoltaic power generation connection to the alternating current power grid is reduced.
Example 2
The embodiment provides a solar photovoltaic power generation and energy storage integrated device, which comprises a photovoltaic panel 13 for receiving solar energy, an illumination intensity sensor for detecting the illumination intensity of the environment where the photovoltaic panel 13 is positioned, and a distribution box 1 for installing electrical equipment and electrical elements. The distribution box 1 is provided with a controller, an energy storage battery, a grid-connected inverter and a power supply and distribution electric quantity detection circuit. The energy storage battery is electrically connected with the controller and the photovoltaic panel 13, and the grid-connected inverter is electrically connected with the energy storage battery, the controller and the alternating current power grid, and the grid-connected inverter converts direct current generated by the photovoltaic panel 13 or electric energy in the energy storage battery into alternating current which can be directly combined with the alternating current power grid. The power supply and distribution electric quantity detection circuit is electrically connected with the energy storage battery and the controller and is used for detecting the electric quantity of the energy storage battery. The illumination intensity sensor is electrically connected with the controller.
Referring to fig. 2 and 5, a first ventilation partition board 2 and a second ventilation partition board 3 are sequentially arranged in the distribution box 1 from top to bottom, and the first ventilation partition board 2 and the second ventilation partition board divide the interior of the distribution box 1 into a heat dissipation element installation cavity, an electrical equipment installation cavity and a circulating fan installation cavity which are sequentially arranged from top to bottom, wherein the electrical equipment installation cavity is used for installing or arranging electrical equipment or electrical elements such as a controller, an energy storage battery, a grid-connected inverter, a power supply and distribution electric quantity detection circuit and the like. The third ventilation partition plate 7 is arranged in the radiating element installation cavity, the third ventilation partition plate 7 divides the radiating element installation cavity into a first radiating element installation cavity and a second radiating element installation cavity, and the second radiating element installation cavity is located above the first radiating element installation cavity.
Referring to fig. 2, 3, 4 and 5, a plurality of first heat dissipation elements 4 are uniformly and equidistantly arranged in the first heat dissipation element mounting cavity along the left-right direction, and the first heat dissipation elements 4 are made of metal materials such as stainless steel, aluminum alloy and the like, and have the advantages of good heat conductivity and high strength. The first heat dissipation element 4 is hollow slice, is provided with first coolant in its inside, and pure water or distilled water are selected for use to first coolant, and the front end of first heat dissipation element 4 is arranged in first heat dissipation element installation cavity, and the rear end passes the rear wall of block terminal 1 and is arranged in the rear side of block terminal 1, and the rear end of first heat dissipation element 4 is higher than the front end. The first heat dissipation elements 4 are parallel to each other, and the first heat dissipation elements 4 are disposed obliquely in the left-right direction in the heat dissipation element mounting chamber. The second heat dissipation element installation cavity is internally provided with a plurality of second heat dissipation elements 8, the second heat dissipation elements 8 are also made of metal materials such as stainless steel, aluminum alloy and the like, the second heat dissipation elements 8 are round tubes or hollow sheets, second cooling liquid is arranged in the second heat dissipation elements, the boiling point of the second cooling liquid is smaller than that of the first cooling liquid, the lower ends of the second heat dissipation elements 8 are positioned in the second heat dissipation element installation cavity, and the upper ends of the second heat dissipation elements penetrate through the top wall of the distribution box 1 and are positioned above the distribution box 1.
Referring to fig. 2, 3, 4 and 5, a shroud 9 is disposed in the installation cavity of the circulation fan, an air outlet is formed at an upper end of the shroud 9, an upper end of the shroud 9 is connected with a lower end of the second ventilation partition plate 3, the air outlet at the upper end of the shroud 9 is of a rectangular structure, an air inlet is formed at a lower end of the shroud 9, the air inlet is of a circular structure, the diameter of the air inlet is smaller than the length and width of the air outlet, the air inlet is located under the middle position of the air outlet, and an inner wall surface of the shroud 9 diffuses from bottom to top to four sides. The circulating fan 5 is installed in the air inlet department that the bounding wall 9 lower extreme set up, owing to the structure setting of bounding wall 9, can make the wind that circulating fan 5 blown out get into the electrical equipment installation cavity through the ventilative baffle 3 of second evenly. The left and right sides of the distribution box 1 are respectively provided with a group of radiating pipes 6, and a plurality of radiating pipes 6 of each group of radiating pipes 6 are uniformly arranged along the front and rear direction of the distribution box 1. The radiating pipe 6 comprises a straight pipe part and an elbow joint part positioned at the upper end and the lower end of the straight pipe part, the straight pipe part of the radiating pipe 6 is not in contact with the outer wall of the distribution box 1, and the radiating pipe 6 and the outer wall of the distribution box 1 are convenient to radiate. The elbow joint parts of the upper end and the lower end of the radiating pipe 6 are respectively communicated with the radiating element installation cavity and the circulating fan installation cavity. The coaming 9 divides the circulating fan installation cavity into an air inlet cavity and an exhaust cavity, the bent pipe joint part at the lower end of the radiating pipe 6 is communicated with the air inlet cavity, and the exhaust cavity is communicated with the electric equipment installation cavity through the air holes of the second ventilation partition plate 3.
The working principle of the embodiment is as follows: the circulating fan 5 is started, wind blown out by the circulating fan 5 uniformly enters the electric equipment installation cavity through the second ventilation partition plate 3, heat generated by electric equipment and electric elements in the electric equipment installation cavity is blown away, and hot air is formed to enter the first heat dissipation element installation cavity through the first ventilation partition plate 2. The first heat dissipation element installation cavity is internally provided with a plurality of first heat dissipation elements 4, hot air can heat the first heat dissipation elements 4, the evaporation speed of first cooling liquid in the first heat dissipation elements 4 is increased due to heating, and the evaporated gaseous first cooling liquid is liquefied after heat dissipation at the rear end of the first heat dissipation elements 4 and then flows back to the front end of the first heat dissipation elements 4, so that circulation is realized. The first heat dissipation element 4 is obliquely arranged along the left-right direction in the heat dissipation element mounting cavity, so that the heating efficiency of hot air to the first heat dissipation element 4 can be improved, the first heat dissipation element 4 can absorb heat of the hot air better and more, and the heat dissipation effect of the first heat dissipation element 4 is improved. The hot air from which a part of the heat is dissipated by the first heat dissipating member 4 enters the second heat dissipating member mounting chamber through the third air permeable partition 7. The second heat dissipation element installation cavity is internally provided with a plurality of second heat dissipation elements 8, the second heat dissipation elements 8 are heated by hot air, the evaporation speed of second cooling liquid in the second heat dissipation elements 8 is increased due to heating, the evaporated gaseous second cooling liquid is liquefied after heat dissipation at the upper end of the second heat dissipation elements 8, and then flows back to the lower end of the second heat dissipation elements 8, so that the second heat dissipation elements 8 further absorb the heat of the hot air in a circulating way. Since the boiling point of the second cooling liquid is smaller than that of the first cooling liquid, the second cooling liquid is easier to vaporize, and the heat dissipation device is more suitable for dissipating heat of hot air with a part of heat dissipated by the first heat dissipating element 4. The hot air after heat dissipation by the first heat dissipation element 4 and the second heat dissipation element 8 enters into each heat dissipation tube 6 to conduct third heat dissipation, and the hot air after three heat dissipation enters into the circulating fan installation cavity and is sucked by the circulating fan 5 to be circulated and used. In summary, the present utility model does not need to exchange air with the external environment when radiating heat, and the problem that dust enters the distribution box 1 due to air exchange to affect the normal use of electrical equipment and electrical components does not occur. In this embodiment, when the heat dissipation is performed, only one circulation fan 5 consumes electric energy, and the electric energy consumption is also small. Therefore, compared with the prior art, the utility model has the advantages of strong ash prevention capability, less electric energy consumption, low facility cost of heat dissipation equipment and strong applicability.
Example 3
The embodiment provides a solar photovoltaic power generation and energy storage integrated device, which comprises a photovoltaic panel 13 for receiving solar energy, an illumination intensity sensor for detecting the illumination intensity of the environment where the photovoltaic panel 13 is positioned, and a distribution box 1 for installing electrical equipment and electrical elements. The distribution box 1 is provided with a controller, an energy storage battery, a grid-connected inverter and a power supply and distribution electric quantity detection circuit. The energy storage battery is electrically connected with the controller and the photovoltaic panel 13, and the grid-connected inverter is electrically connected with the energy storage battery, the controller and the alternating current power grid, and the grid-connected inverter converts direct current generated by the photovoltaic panel 13 or electric energy in the energy storage battery into alternating current which can be directly combined with the alternating current power grid. The power supply and distribution electric quantity detection circuit is electrically connected with the energy storage battery and the controller and is used for detecting the electric quantity of the energy storage battery. The illumination intensity sensor is electrically connected with the controller.
Referring to fig. 5 and 6, the electric power distribution box further comprises a heat dissipation box 10 arranged on the left side of the electric power distribution box 1. The first ventilation partition plate 2 and the second ventilation partition plate 3 are sequentially arranged in the distribution box 1 from top to bottom, the first ventilation partition plate 2 and the second ventilation partition plate divide the interior of the distribution box 1 into a radiating element installation cavity, an electric equipment installation cavity and a circulating fan installation cavity which are sequentially arranged from top to bottom, and the electric equipment installation cavity is used for installing or arranging electric equipment or electric elements such as a controller, an energy storage battery, a grid-connected inverter, a power supply and distribution electric quantity detection circuit and the like. The third ventilation partition plate 7 is arranged in the radiating element installation cavity, the third ventilation partition plate 7 divides the radiating element installation cavity into a first radiating element installation cavity and a second radiating element installation cavity, and the second radiating element installation cavity is located above the first radiating element installation cavity.
Referring to fig. 6, 7 and 8, a plurality of first heat dissipation elements 4 are uniformly and equidistantly arranged in the first heat dissipation element mounting cavity along the left-right direction, and the first heat dissipation elements 4 are made of metal materials such as stainless steel, aluminum alloy and the like, so that the heat dissipation element has the advantages of good heat conductivity and high strength. The first heat dissipation element 4 is hollow slice, is provided with first coolant in its inside, and pure water or distilled water are selected for use to first coolant, and the front end of first heat dissipation element 4 is arranged in first heat dissipation element installation cavity, and the rear end passes the rear wall of block terminal 1 and is arranged in the rear side of block terminal 1, and the rear end of first heat dissipation element 4 is higher than the front end. The first heat dissipation elements 4 are parallel to each other, and the first heat dissipation elements 4 are disposed obliquely in the left-right direction in the heat dissipation element mounting chamber. The second heat dissipation element installation cavity is internally provided with a plurality of second heat dissipation elements 8, the second heat dissipation elements 8 are also made of metal materials such as stainless steel, aluminum alloy and the like, the second heat dissipation elements 8 are round tubes or hollow sheets, second cooling liquid is arranged in the second heat dissipation elements, the boiling point of the second cooling liquid is smaller than that of the first cooling liquid, the lower ends of the second heat dissipation elements 8 are positioned in the second heat dissipation element installation cavity, and the upper ends of the second heat dissipation elements penetrate through the top wall of the distribution box 1 and are positioned above the distribution box 1.
Referring to fig. 6, 7 and 8, a shroud 9 is disposed in the installation cavity of the circulation fan, an exhaust port is disposed at an upper end of the shroud 9, an upper end of the shroud 9 is connected with a lower end of the second ventilation partition plate 3, the exhaust port at the upper end of the shroud 9 is of a rectangular structure, an air inlet is disposed at a lower end of the shroud 9, the air inlet is of a circular structure, a diameter of the air inlet is smaller than a length and a width of the exhaust port, the air inlet is located under a middle position of the exhaust port, and an inner wall surface of the shroud 9 is diffused from bottom to top. The circulating fan 5 is installed in the air inlet department that the bounding wall 9 lower extreme set up, owing to the structure setting of bounding wall 9, can make the wind that circulating fan 5 blown out get into the electrical equipment installation cavity through the ventilative baffle 3 of second evenly.
Referring to fig. 6, 7 and 8, a group of radiating pipes 6 is provided in the radiating box 10, and a plurality of radiating pipes 6 of the group of radiating pipes 6 are uniformly arranged along the front-rear direction of the distribution box 1 or the radiating box 10. The radiating pipe 6 comprises a straight pipe part and an elbow joint part positioned at the upper end and the lower end of the straight pipe part, the straight pipe part of the radiating pipe 6 is not in contact with the outer wall of the distribution box 1, and the radiating pipe 6 and the outer wall of the distribution box 1 are convenient to radiate. The elbow joint parts of the upper end and the lower end of the radiating pipe 6 are respectively communicated with the radiating element installation cavity and the circulating fan installation cavity. The coaming 9 divides the circulating fan installation cavity into an air inlet cavity and an exhaust cavity, the bent pipe joint part at the lower end of the radiating pipe 6 is communicated with the air inlet cavity, and the exhaust cavity is communicated with the electric equipment installation cavity through the air holes of the second ventilation partition plate 3.
Referring to fig. 6, 8 and 9, a heat dissipation hole 11 is formed in an upper side wall of the heat dissipation box 10, an air inlet pipe 12 communicated with the inside of the heat dissipation box 10 is formed in a lower side wall of the heat dissipation box 10, and a heat dissipation ventilation fan is arranged in the air inlet pipe 12. A dust filtering net is provided on one side of the air inlet pipe 12 located at the air suction port of the heat dissipation ventilating fan, so that dust can be effectively prevented from entering the heat dissipation box 10. The bottom wall of the heat dissipation box 10 is provided with a water permeable hole, and rainwater entering the heat dissipation box 10 through the heat dissipation hole 11 can flow out through the water permeable hole, and the lower end of the air inlet pipe 12 is higher than the inner bottom wall of the heat dissipation box 10, so that the rainwater entering the heat dissipation box 10 can not enter the air inlet pipe 12. The energy storage battery is electrically connected with a heat dissipation and ventilation fan arranged in the air inlet pipe 12 or is electrically connected with the heat dissipation and ventilation fan arranged in the air inlet pipe 12 through an inverter. Therefore, the consumption of the cooling ventilating fan to the commercial power can be effectively reduced. The radiating ventilating fan is electrically connected with the alternating current power grid at the same time, namely, is electrically connected with the mains supply, so that the radiating ventilating fan has double-reuse electric insurance, and normal electrifying operation of the radiating ventilating fan is ensured.
Compared with the embodiment 2, the embodiment is additionally provided with the radiating box 10 and the radiating ventilating fan, and the radiating ventilating fan blows air at the radiating pipe 6, so that the air flow speed at the radiating pipe 6 is increased, the radiating effect of the radiating pipe 6 is enhanced, namely, the integral radiating effect of the utility model is enhanced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a solar photovoltaic power generation energy storage integrated device, is including being used for receiving solar photovoltaic board (13), its characterized in that still includes block terminal (1) and illumination intensity sensor, illumination intensity sensor is used for detecting the illumination intensity of photovoltaic board (13) place environment, be provided with in block terminal (1):
the illumination intensity sensor is electrically connected with the controller;
the energy storage battery is electrically connected with the controller and the photovoltaic panel (13);
the grid-connected inverter is electrically connected with the energy storage battery, the controller and the alternating current power grid, and converts direct current generated by the photovoltaic panel (13) or electric energy in the energy storage battery into alternating current capable of being directly combined with the alternating current power grid;
the power supply and distribution electric quantity detection circuit is used for detecting the electric quantity of the energy storage battery, and the power supply and distribution electric quantity detection circuit is electrically connected with the energy storage battery and the controller.
2. The integrated solar photovoltaic power generation and energy storage device according to claim 1, wherein a heat dissipation element installation cavity, an electrical equipment installation cavity and a circulating fan installation cavity are arranged in the distribution box (1) from top to bottom;
in addition, the method also comprises the following steps:
the first ventilation partition board (2) is arranged in the distribution box (1) and is positioned between the radiating element installation cavity and the electrical equipment installation cavity;
the second ventilation partition board (3) is arranged in the distribution box (1) and is positioned between the electric equipment installation cavity and the circulating fan installation cavity;
a first heat dissipation element (4) provided in plurality in the heat dissipation element mounting chamber; the first radiating element (4) is hollow and sheet-shaped, first cooling liquid is arranged in the first radiating element (4), one end of the first radiating element (4) is positioned in the radiating element mounting cavity, the other end of the first radiating element is positioned at the outer side of the distribution box (1), and one end of the first radiating element positioned at the outer side of the distribution box (1) is higher than one end of the first radiating element in the radiating element mounting cavity;
a circulation fan (5) arranged in the circulation fan mounting cavity and blowing air to the electric equipment mounting cavity and the heat radiating element mounting cavity;
and the radiating pipe (6) is arranged at the outer side of the distribution box (1) and is used for communicating the radiating element installation cavity and the circulating fan installation cavity.
3. The solar photovoltaic power generation and energy storage integrated device according to claim 2, wherein a third ventilation partition board (7) is further arranged in the distribution box (1), the third ventilation partition board (7) is located above the first ventilation partition board (2) and divides the radiating element installation cavity into a first radiating element installation cavity and a second radiating element installation cavity, the second radiating element installation cavity is located above the first radiating element installation cavity, a second radiating element (8) is installed in the second radiating element installation cavity, and the upper end of the radiating pipe (6) is communicated with the second radiating element installation cavity.
4. A solar photovoltaic power generation and energy storage integrated device according to claim 3, characterized in that the second heat dissipation element (8) is in a circular tube shape or a hollow sheet shape, and a second cooling liquid is arranged in the second heat dissipation element, and the boiling point of the second cooling liquid is smaller than that of the first cooling liquid; the second radiating elements (8) are provided with a plurality of radiating elements, the lower ends of the radiating elements are positioned in the second radiating element mounting cavity, and the upper ends of the radiating elements are positioned above the distribution box (1).
5. The integrated solar photovoltaic power generation and energy storage device according to claim 2, wherein the first heat dissipation elements (4) are equidistantly arranged in the left-right direction in the heat dissipation element installation cavity, the first heat dissipation elements (4) are parallel to each other, and the first heat dissipation elements (4) are obliquely arranged in the left-right direction in the heat dissipation element installation cavity.
6. The integrated solar photovoltaic power generation and energy storage device according to claim 2, wherein a coaming (9) is arranged in the circulating fan installation cavity, the coaming (9) divides the circulating fan installation cavity into an air inlet cavity and an air outlet cavity, the lower end of the radiating pipe (6) is communicated with the air inlet cavity, and the air outlet cavity is communicated with the electric equipment installation cavity through an air vent of the second ventilation partition board (3); the lower end of the coaming (9) is provided with an air inlet, and the circulating fan (5) is arranged at the air inlet.
7. The solar photovoltaic power generation and energy storage integrated device according to claim 6, wherein the upper end of the surrounding plate (9) is an exhaust port, the upper end of the surrounding plate (9) is connected with the lower end of the second ventilation partition plate (3), the exhaust port at the upper end of the surrounding plate (9) is of a rectangular structure, the air inlet at the lower end of the surrounding plate (9) is of a circular structure, the diameter of the air inlet is smaller than the length and the width of the exhaust port, the air inlet is located under the middle position of the exhaust port, and the inner wall surface of the surrounding plate (9) is diffused from bottom to top.
8. The integrated solar photovoltaic power generation and energy storage device according to claim 2, wherein two groups of radiating pipes (6) are arranged, the two groups of radiating pipes (6) are respectively positioned at the left side and the right side of the distribution box (1), and a plurality of radiating pipes (6) of each group of radiating pipes (6) are uniformly arranged along the front-back direction of the distribution box (1); the radiating pipe (6) comprises a straight pipe portion and bent pipe joint portions located at the upper end and the lower end of the straight pipe portion, and the straight pipe portion of the radiating pipe (6) is not in contact with the outer wall of the distribution box (1).
9. The integrated solar photovoltaic power generation and energy storage device according to any one of claims 2 to 7, wherein a heat dissipation box (10) is arranged on the left side or the right side of the distribution box (1), a heat dissipation hole (11) is formed in the upper end side wall of the heat dissipation box (10), an air inlet pipe (12) communicated with the inside of the heat dissipation box (10) is arranged in the lower end side wall of the heat dissipation box (10), and a heat dissipation ventilating fan is arranged in the air inlet pipe (12); the radiating pipes (6) are uniformly arranged along the front-back direction of the distribution box (1), and each radiating pipe (6) is positioned in the radiating box (10); the radiating pipe (6) comprises a straight pipe portion and bent pipe joint portions located at the upper end and the lower end of the straight pipe portion, and the straight pipe portion of the radiating pipe (6) is not in contact with the outer wall of the distribution box (1).
10. The integrated solar photovoltaic power generation and energy storage device according to claim 9, wherein a dust filtering net is arranged on one side of the air inlet pipe (12) located at an air suction port of the heat dissipation ventilating fan, the lower end of the air inlet pipe (12) is higher than the inner bottom wall of the heat dissipation box (10), and water permeable holes are formed in the bottom wall of the heat dissipation box (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310592752.0A CN116545020A (en) | 2023-05-24 | 2023-05-24 | Solar photovoltaic power generation and energy storage integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310592752.0A CN116545020A (en) | 2023-05-24 | 2023-05-24 | Solar photovoltaic power generation and energy storage integrated device |
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| Publication Number | Publication Date |
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| CN116545020A true CN116545020A (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310592752.0A Pending CN116545020A (en) | 2023-05-24 | 2023-05-24 | Solar photovoltaic power generation and energy storage integrated device |
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| CN (1) | CN116545020A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056380A (en) * | 2010-12-21 | 2011-05-11 | 浙江工业大学 | Distributed synchronization solar energy street lamp control system |
| CN205092592U (en) * | 2015-11-16 | 2016-03-16 | 江苏中圣高科技产业有限公司 | Distributing type photovoltaic power generation and control system |
| CN212543090U (en) * | 2020-07-02 | 2021-02-12 | 河南万控电气设备有限公司 | Heat dissipation system of distribution box |
-
2023
- 2023-05-24 CN CN202310592752.0A patent/CN116545020A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056380A (en) * | 2010-12-21 | 2011-05-11 | 浙江工业大学 | Distributed synchronization solar energy street lamp control system |
| CN205092592U (en) * | 2015-11-16 | 2016-03-16 | 江苏中圣高科技产业有限公司 | Distributing type photovoltaic power generation and control system |
| CN212543090U (en) * | 2020-07-02 | 2021-02-12 | 河南万控电气设备有限公司 | Heat dissipation system of distribution box |
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