CN112290417A - Heat radiation structure of photovoltaic grid-connected cabinet - Google Patents
Heat radiation structure of photovoltaic grid-connected cabinet Download PDFInfo
- Publication number
- CN112290417A CN112290417A CN202011146262.0A CN202011146262A CN112290417A CN 112290417 A CN112290417 A CN 112290417A CN 202011146262 A CN202011146262 A CN 202011146262A CN 112290417 A CN112290417 A CN 112290417A
- Authority
- CN
- China
- Prior art keywords
- water
- outer box
- heat dissipation
- water tank
- photovoltaic grid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
- H02B1/30—Cabinet-type casings; 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
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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
- H02J3/381—Dispersed generators
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a heat dissipation structure of a photovoltaic grid-connected cabinet, which comprises an outer box body, wherein a water tank is fixed inside the outer box body, an inner box body is installed at the top of the water tank, a water pump is installed inside the water tank, a water delivery pipe and a water return pipe are respectively installed at two ends of the top of the water tank, the water delivery pipe is connected with the water pump, a heat dissipation water net is fixed on the outer wall of the inner box body, the heat dissipation water net is connected with the water delivery pipe and the water return pipe, clamping mechanisms are respectively fixed on two sides of a pair of inner side walls of the outer box body, a filter plate is installed between the clamping mechanisms, and an installation frame penetrates through the top of. The invention dissipates heat to the internal electronic element by circulating cooling liquid and increasing air flow, avoids the electronic element being used in high temperature environment for a long time, and prolongs the service life of the electronic element; simultaneously through the dustproof cotton and the effectual air that filters of filter plate that set up, improve the inside clean degree of device.
Description
Technical Field
The invention relates to the technical field of photovoltaic grid-connected cabinets, in particular to a heat dissipation structure of a photovoltaic grid-connected cabinet.
Background
The photovoltaic grid-connected cabinet is a power distribution device for connecting a photovoltaic power station and a power grid, and mainly functions as a boundary between the photovoltaic power station and the power grid. For the low-voltage grid-connected photovoltaic power station, the photovoltaic grid-connected cabinet can also have home decoration reference measurement and some protection functions.
Traditional photovoltaic grid-connected cabinet is for solving the problem that produces a large amount of heat when using, and the inside of photovoltaic grid-connected cabinet is dispelled the heat to mostly adopting the fan, but in the inside and outside air exchange process dust in the outside air very easily got into the photovoltaic grid-connected cabinet, and these dust are attached to photovoltaic grid-connected cabinet and are easily caused local overheat in the cabinet, use and exist not enoughly, for this reason we propose a heat radiation structure of photovoltaic grid-connected cabinet.
Disclosure of Invention
The invention provides a heat dissipation structure of a photovoltaic grid-connected cabinet, and aims to solve the problem that in the prior art, due to the fact that a fan dissipates heat, dust in outside air easily enters a cabinet body and is attached to the photovoltaic grid-connected cabinet, and local overheating in the cabinet is easily caused.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a heat radiation structure of photovoltaic grid-connected cabinet, includes outer box, the inside of outer box is fixed with the water tank, the box in the top of water tank is installed, the internally mounted of water tank has the water pump, raceway and wet return are installed respectively to the both ends at the top of water tank, the raceway is connected with the water pump, the outer wall of interior box is fixed with the cooling water net, the cooling water net is connected with raceway and wet return, the both sides of a pair of inside wall of outer box all are fixed with chucking mechanism, install the filter plate between the chucking mechanism, the top of outer box runs through there is the mounting bracket, install the fan on the mounting bracket, the protection network is installed at the top of mounting bracket.
Preferably, the bottom of the outer box body is provided with a motor, an output shaft of the motor penetrates into the outer box body and is inserted into the water tank, and the top of the output shaft of the motor is provided with a stirring shaft.
Preferably, the both sides of outer box and the lateral wall of interior box have all seted up the ventilation hole, the inside in ventilation hole is provided with dustproof cotton.
Preferably, the clamping mechanism comprises a mounting seat, a pressing plate is connected to the inside of the mounting seat in a sliding mode, a telescopic rod is installed between the pressing plate and the mounting seat, a spring is installed between the pressing plate and the mounting seat, and the spring is sleeved on the telescopic rod.
Preferably, the air outlet of the fan is located at the top of the mounting frame.
Preferably, the front of outer box articulates there is the second protection door, the stabilizer blade is installed to the bottom of outer box, the front of interior box articulates there is first protection door.
Compared with the prior art, the invention has the beneficial effects that:
when the device is used, an electronic element is arranged inside an inner box body, a filter plate is arranged between clamping mechanisms, the filter plate passes through a pressing plate in the installation process of the filter plate, the pressing plate moves along the axial direction of a telescopic rod to enable a spring to deform, the spring deforms to enable the pressing plate to press the filter plate tightly, a first protective door and a second protective door are closed, heat is generated when a photovoltaic grid-connected cabinet works, a water pump, a motor and a fan are started, the water pump injects cooling liquid into a radiating water network through a water pipe, then the cooling liquid returns into a water tank through a water return pipe, heat returns into the water tank along with the flowing heat of the cooling liquid, an output shaft of the motor drives a stirring rod to rotate, the stirring rod uniformly mixes the cooling liquid in the water tank with the cooling liquid returned along the water return pipe, the heat of the cooling liquid returned along the water return pipe is diluted, the radiating effect of the device is improved, the, inside forms the negative pressure and enters into the internal box along the ventilation hole on outer box and the internal box with outside air, electronic component in the internal box dispels the heat through the mode that increases the air flow, the radiating effect is good, and dustproof cotton and filter plate in the ventilation hole filter the air when the heat dissipation, can effectually avoid in the dust access device in the air, the while air flow can dispel the heat to the coolant liquid in the cooling water net, further improve device's radiating effect, effectual electronic component who avoids in the device is in high temperature environment for a long time, improve electronic component's life.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation structure of a photovoltaic grid-connected cabinet according to the present invention;
fig. 2 is a schematic view of an installation of a cooling water network of a cooling structure of a photovoltaic grid-connected cabinet according to the present invention;
fig. 3 is an enlarged schematic view of a part a of a heat dissipation structure of a photovoltaic grid-connected cabinet according to the present invention;
fig. 4 is a front view of a heat dissipation structure of a photovoltaic grid-connected cabinet according to the present invention.
In the figure: the device comprises an outer box body 1, a water tank 2, an inner box body 3, a water pump 4, a water delivery pipe 5, a heat-dissipating water net 6, a water return pipe 7, a motor 8, a stirring rod 9, a mounting seat 10, an expansion rod 11, a pressing plate 12, a spring 13, a filter plate 14, a mounting frame 15, a fan 16, a protective net 17, a first protective door 18 and a second protective door 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a heat dissipation structure of a photovoltaic grid-connected cabinet comprises an outer box 1, a water tank 2 is fixed inside the outer box 1, an inner box 3 is installed at the top of the water tank 2, ventilation holes are formed in both sides of the outer box 1 and the side wall of the inner box 3, dustproof cotton is arranged inside the ventilation holes, a water pump 4 is installed inside the water tank 2, a water pipe 5 and a water return pipe 7 are installed at both ends of the top of the water tank 2 respectively, the water pipe 5 is connected with the water pump 4, a heat dissipation water network 6 is fixed on the outer wall of the inner box 3, the heat dissipation water network 6 is connected with the water pipe 5 and the water return pipe 7, a motor 8 is installed at the bottom of the outer box 1, an output shaft of the motor 8 penetrates through the outer box 1 and is inserted into the water tank 2, a stirring shaft 9 is installed at the top of the output shaft of the motor 8, the inner part of the mounting seat 10 is slidably connected with a pressing plate 12, an expansion link 11 is installed between the pressing plate 12 and the mounting seat 10, a spring 13 is installed between the pressing plate 12 and the mounting seat 10, the spring 13 is sleeved on the expansion link 11, a filter plate 14 is installed between the clamping mechanisms, an installation frame 15 penetrates through the top of the outer box body 1, a fan 16 is installed on the installation frame 15, an air outlet of the fan 16 is located at the top of the installation frame 15, a protective net 17 is installed at the top of the installation frame 15, a second protective door 19 is hinged to the front surface of the outer box body 1, supporting legs are installed at the bottom of the outer box body 1, a first protective door 18 is hinged to the front surface of the inner box body 3, heat dissipation is performed on internal electronic elements through circulating cooling liquid and a mode of increasing air flow; simultaneously through the dustproof cotton and the effectual air that filters of filter plate that set up, improve the inside clean degree of device.
The working principle is as follows: when the device is used, an electronic element is arranged inside the inner box body 3, a filter plate 14 is arranged between clamping mechanisms, in the installation process of the filter plate 14, the filter plate 14 passes through a pressure plate 12, the pressure plate 12 moves along the axial direction of an expansion link 11 to enable a spring 13 to deform, the spring 13 deforms to generate elastic force to enable the pressure plate 12 to press the filter plate 14 tightly, a first protective door 18 and a second protective door 19 are closed, heat is generated when the photovoltaic grid-connected cabinet works, a water pump 4, a motor 8 and a fan 16 are started, the water pump 4 injects cooling liquid into a radiating water network 6 through a water pipe 5, then the cooling liquid returns into the water tank 2 through a water return pipe 7, the heat returns into the water tank 2 along with the flowing heat of the cooling liquid, an output shaft of the motor 8 drives a stirring rod 9 to rotate, the stirring rod 9 uniformly mixes the cooling liquid in the water tank 2 with the cooling liquid returning from the water return pipe 7, the radiating effect of the device is improved, the fan 16 is started, the fan 16 takes out the air inside, inside negative pressure is formed to enable the air outside to enter the inner box body 3 along the air vent on the outer box body 1 and the inner box body 3, the electronic element in the inner box body 3 is cooled in a mode of increasing air flow, the radiating effect is good, dustproof cotton and the filter plate 14 in the air vent are used for filtering the air when the air is cooled, dust in the air can be effectively prevented from entering the device, meanwhile, the air flow can cool the cooling liquid in the cooling water net 6, the radiating effect of the device is further improved, the electronic element in the device is effectively prevented from being in a high-temperature environment for a long time, and the service life of the electronic element is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a heat radiation structure of photovoltaic grid-connected cabinet, includes outer box (1), its characterized in that, the inside of outer box (1) is fixed with water tank (2), interior box (3) are installed at the top of water tank (2), the internally mounted of water tank (2) has water pump (4), raceway (5) and wet return (7) are installed respectively to the both ends at the top of water tank (2), raceway (5) are connected with water pump (4), the outer wall of interior box (3) is fixed with heat dissipation water net (6), heat dissipation water net (6) are connected with raceway (5) and wet return (7), the both sides of a pair of inside walls of outer box (1) all are fixed with chucking mechanism, install filter plate (14) between the chucking mechanism, the top of outer box (1) is run through has mounting bracket (15), install fan (16) on mounting bracket (15), and a protective net (17) is arranged at the top of the mounting frame (15).
2. The heat dissipation structure of the photovoltaic grid-connected cabinet is characterized in that a motor (8) is installed at the bottom of the outer box (1), an output shaft of the motor (8) penetrates through the outer box (1) and is inserted into the water tank (2), and a stirring shaft (9) is installed at the top of the output shaft of the motor (8).
3. The heat dissipation structure of the grid-connected photovoltaic cabinet as claimed in claim 1, wherein ventilation holes are formed in both sides of the outer box (1) and the side wall of the inner box (3), and dustproof cotton is arranged inside the ventilation holes.
4. The heat dissipation structure of a photovoltaic grid-connected cabinet according to claim 1, wherein the clamping mechanism comprises a mounting seat (10), a pressing plate (12) is slidably connected inside the mounting seat (10), an expansion link (11) is installed between the pressing plate (12) and the mounting seat (10), a spring (13) is installed between the pressing plate (12) and the mounting seat (10), and the spring (13) is sleeved on the expansion link (11).
5. The heat dissipation structure of a photovoltaic grid-connected cabinet according to claim 1, wherein the air outlet of the fan (16) is located at the top of the mounting frame (15).
6. The heat dissipation structure of a photovoltaic grid-connected cabinet according to claim 1, wherein a second protective door (19) is hinged to the front surface of the outer box (1), a support leg is installed at the bottom of the outer box (1), and a first protective door (18) is hinged to the front surface of the inner box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011146262.0A CN112290417A (en) | 2020-10-23 | 2020-10-23 | Heat radiation structure of photovoltaic grid-connected cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011146262.0A CN112290417A (en) | 2020-10-23 | 2020-10-23 | Heat radiation structure of photovoltaic grid-connected cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112290417A true CN112290417A (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011146262.0A Pending CN112290417A (en) | 2020-10-23 | 2020-10-23 | Heat radiation structure of photovoltaic grid-connected cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN112290417A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886431A (en) * | 2021-02-26 | 2021-06-01 | 郑州合新力信息技术有限公司 | Electrical equipment protector convenient to installation |
| CN113964685A (en) * | 2021-12-21 | 2022-01-21 | 高原(山东)机电设备有限公司 | Can be from cooling formula photovoltaic cabinet that is incorporated into power networks |
| CN115579553A (en) * | 2022-11-21 | 2023-01-06 | 安徽元横能源科技有限公司 | Electric energy conversion system of intelligent light storage micro-grid system |
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| CN115579553A (en) * | 2022-11-21 | 2023-01-06 | 安徽元横能源科技有限公司 | Electric energy conversion system of intelligent light storage micro-grid system |
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