CN114189130B - Photovoltaic power generation grid-connected inverter - Google Patents
Photovoltaic power generation grid-connected inverter Download PDFInfo
- Publication number
- CN114189130B CN114189130B CN202210135289.2A CN202210135289A CN114189130B CN 114189130 B CN114189130 B CN 114189130B CN 202210135289 A CN202210135289 A CN 202210135289A CN 114189130 B CN114189130 B CN 114189130B
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- Prior art keywords
- power generation
- photovoltaic power
- connected inverter
- generation grid
- shell
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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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
Abstract
The invention provides a photovoltaic power generation grid-connected inverter, which comprises a photovoltaic power generation grid-connected inverter body and an airflow acceleration shell, wherein an installation cavity is formed in the airflow acceleration shell, the photovoltaic power generation grid-connected inverter body is fixedly installed in the installation cavity, a conical airflow acceleration groove is formed in the outer side of the airflow acceleration shell, and a sundry settling cavity is formed in the airflow acceleration shell.
Description
Technical Field
The invention belongs to the technical field of grid-connected inverters, and particularly relates to a photovoltaic power generation grid-connected inverter.
Background
The photovoltaic power generation grid-connected inverter is characterized in that direct current generated by a solar component is converted into alternating current meeting the requirements of a mains power grid through a grid-connected inverter and then is directly connected to a public power grid, the photovoltaic power generation grid-connected inverter is installed at an outdoor solar panel, the environment temperature directly influences the working efficiency of the photovoltaic power generation grid-connected inverter, the environment temperature is too high or too low and exceeds the working temperature range of the photovoltaic power generation grid-connected inverter, the working efficiency is reduced, moreover, the corrosion of sundries such as rainwater and the like is also prevented, the closed protection is directly adopted, the heat dissipation effect is inevitably reduced, however, the existing data processing equipment cannot solve the problems, and the installation efficiency and safety can be further improved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a photovoltaic power generation grid-connected inverter which is reasonable in design, a conical airflow acceleration groove is formed in the outer side of an airflow acceleration shell, the conical airflow acceleration groove can increase the speed of airflow by reducing the area of the airflow entering the airflow acceleration shell, so that the heat dissipation efficiency and effect can be effectively improved, and the airflow acceleration shell can effectively protect a photovoltaic power generation grid-connected inverter body and prevent rainwater and other sundries from being corroded.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a photovoltaic power generation grid-connected inverter, includes photovoltaic power generation grid-connected inverter body and air current acceleration rate shell, the installation cavity has been seted up in the air current acceleration rate shell, photovoltaic power generation grid-connected inverter body fixed mounting is in the installation cavity, toper air current acceleration rate groove has been seted up to the outside side of air current acceleration rate shell, debris settling chamber has been seted up in the air current acceleration rate shell, debris settling chamber has kept away from and has seted up second grade acceleration rate passageway on the inside wall in toper air current acceleration rate groove, the fixed the inlaying in bottom of air current acceleration rate shell has the outlet duct, install electric valve on the outlet duct, heat dissipation channel has been seted up in the air current acceleration rate shell, a plurality of louvre has been seted up between heat dissipation channel and the installation cavity.
In this embodiment, the conical airflow acceleration groove is communicated with the impurity settling chamber.
In this embodiment, the second-stage speed-increasing channel is communicated with the mounting cavity.
In this embodiment, the outlet duct is communicated with the secondary speed-increasing channel.
In this embodiment, the heat dissipation channel is communicated with the secondary speed increasing channel.
In the embodiment, the outer edge of the airflow acceleration shell is fixedly provided with the mounting seat, and the mounting seat is provided with the fixing hole.
In the embodiment, the bottom of the airflow acceleration shell is provided with a cleaning port, the cleaning port is communicated with the sundries settling cavity, and a plugging plate is installed in the cleaning port through a bolt.
The invention has the beneficial effects that: the invention discloses a photovoltaic power generation grid-connected inverter which comprises a photovoltaic power generation grid-connected inverter body, an airflow acceleration shell, an installation cavity, a conical airflow acceleration groove, a sundry settling cavity, an air outlet pipe, an electric valve, a heat dissipation channel, heat dissipation holes, an installation seat, fixing holes, a cleaning hole and a plugging plate.
1. The tapered airflow acceleration groove is formed in the outer side of the airflow acceleration shell of the photovoltaic power generation grid-connected inverter, the airflow speed can be increased by reducing the area of the airflow entering the airflow acceleration shell, so that the radiating efficiency and effect can be effectively improved, and the airflow acceleration shell can effectively protect the photovoltaic power generation grid-connected inverter body and prevent rainwater and other sundries from being corroded.
2. The debris subside chamber has been seted up in this photovoltaic power generation grid-connected inverter's the air current acceleration rate shell, outside air gets into behind the debris subside chamber through toper air current acceleration rate groove under the effect of wind, the area increase that the air current passes through, thereby can make air flow rate reduce, and then subsides the debris that carry with the air, prevent that debris from getting into the installation intracavity, then the air current accelerates the speed once more through second grade acceleration rate passageway and dispels the heat to the outside side of photovoltaic power generation grid-connected inverter body, some air current passes through the outlet duct and discharges, guarantee to form the air current, some air current dispels the heat through heat dissipation channel and radiating hole to the top of photovoltaic power generation grid-connected inverter body, then discharge through the toper air current acceleration rate groove of air current acceleration rate shell opposite side.
3. The air outlet pipe is arranged in the bottom of the air flow acceleration shell of the photovoltaic power generation grid-connected inverter, after the air outlet pipe is sealed by the electric valve, the conical air flow acceleration groove and the sundries sedimentation cavity can be changed into a semi-sealed space, only the heat dissipation channel can be used for providing an air flow channel, so that the air inlet quantity can be effectively limited, when the ambient temperature is lower, the heat dissipation effect can be reduced through the mode of sealing the air outlet pipe, and then the photovoltaic power generation grid-connected inverter body is in the working temperature range, in addition, the air flow acceleration shell can also play a certain heat preservation effect, and the temperature of the photovoltaic power generation grid-connected inverter body is prevented from being too low.
Drawings
FIG. 1 is a schematic structural diagram of a photovoltaic power generation grid-connected inverter;
FIG. 2 is a schematic cross-sectional view of a photovoltaic grid-connected inverter;
in the figure: 1. a photovoltaic power generation grid-connected inverter body; 2. an airflow acceleration shell; 3. a mounting cavity; 4. a conical airflow acceleration groove; 5. a sundry settling cavity; 6. an air outlet pipe; 7. an electrically operated valve; 8. a heat dissipation channel; 9. heat dissipation holes; 10. a mounting seat; 11. a fixing hole; 12. cleaning the opening; 13. a plugging plate; 14. and a secondary speed increasing channel.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to fig. 2, the present invention provides a technical solution: a photovoltaic power generation grid-connected inverter comprises a photovoltaic power generation grid-connected inverter body 1 and an airflow acceleration shell 2, wherein an installation cavity 3 is formed in the airflow acceleration shell 2, the photovoltaic power generation grid-connected inverter body 1 is fixedly installed in the installation cavity 3, a conical airflow acceleration groove 4 is formed in the outer side of the airflow acceleration shell 2, a sundry settling cavity 5 is formed in the airflow acceleration shell 2, a second-stage acceleration channel 14 is formed in the inner side wall, away from the conical airflow acceleration groove 4, of the sundry settling cavity 5, an air outlet pipe 6 is fixedly embedded in the bottom of the airflow acceleration shell 2, an electric valve 7 is installed on the air outlet pipe 6, a heat dissipation channel 8 is formed in the airflow acceleration shell 2, a plurality of heat dissipation holes 9 are formed between the heat dissipation channel 8 and the installation cavity 3, and the photovoltaic power generation grid-connected inverter body 1 is installed at a proper position through the cooperation of bolts and fixing holes 11 in an installation seat 10 when in use, the photovoltaic power generation grid-connected inverter body 1 and the electric valve 7 are connected into a power grid through electric wires, the conical airflow acceleration grooves 4 can improve the speed of airflow through reducing the area of the airflow entering the airflow acceleration shell 2, so that the radiating efficiency and effect can be effectively improved, in addition, the airflow acceleration shell 2 can effectively protect the photovoltaic power generation grid-connected inverter body 1, and the corrosion of sundries such as rainwater is prevented.
In this embodiment, the conical airflow acceleration groove 4 is communicated with the impurity settling chamber 5.
In this embodiment, the secondary speed increasing channel 14 is communicated with the mounting cavity 3.
This embodiment, outlet duct 6 and second grade acceleration rate passageway 14 intercommunication, outlet duct 6 is closed back by electric valve 7, can make toper air current acceleration rate groove 4 and debris settling chamber 5 become semi-enclosed space, only heat dissipation channel 8 can supply the air current passageway, thereby can restrict the entering volume of air effectively, when ambient temperature is lower, can reduce radiating effect through the mode of closing outlet duct 6, and then make photovoltaic power generation grid-connected inverter body 1 be in the operating temperature within range, and, air current acceleration rate shell 2 can also play certain heat preservation effect, prevent that photovoltaic power generation grid-connected inverter body 1 temperature from crossing lowly.
In this embodiment, the heat dissipation channel 8 is communicated with the secondary speed increasing channel 14.
In this embodiment, the outer edge of the airflow acceleration shell 2 is fixedly provided with an installation seat 10, and the installation seat 10 is provided with a fixing hole 11.
In the embodiment, a cleaning port 12 is formed in the bottom of the airflow acceleration shell 2, the cleaning port 12 is communicated with the sundries settling cavity 5, and a plugging plate 13 is installed in the cleaning port 12 through a bolt.
This embodiment, debris settling chamber 5 has been seted up in airflow acceleration rate shell 2, after outside air got into debris settling chamber 5 through toper airflow acceleration rate groove 4 under the effect of wind, the area that the air current passes through increases, thereby can make air flow rate reduce, and then subsides the debris that carry with the air, prevent that debris from getting into in the installation cavity 3, then the air current accelerates again through second grade acceleration rate passageway 14 and dispels the heat to the outside side of photovoltaic power generation grid-connected inverter body 1, and get into installation cavity 3 through second grade acceleration rate passageway 14 and dispel the heat, some air current passes through outlet duct 6 and discharges, guarantee to form the air current, some air current dispels the heat to the top of photovoltaic power generation grid-connected inverter body 1 through heat dissipation passageway 8 and louvre 9, then discharge through toper airflow acceleration rate groove 4 of airflow acceleration rate shell 2 opposite side.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (7)
1. A photovoltaic power generation grid-connected inverter comprises a photovoltaic power generation grid-connected inverter body (1) and an airflow acceleration shell (2), it is characterized in that the airflow acceleration shell (2) is internally provided with an installation cavity (3), the photovoltaic power generation grid-connected inverter body (1) is fixedly arranged in the installation cavity (3), a conical airflow acceleration groove (4) is arranged at the outer side of the airflow acceleration shell (2), a sundries sedimentation cavity (5) is arranged in the airflow acceleration shell (2), a secondary acceleration channel (14) is arranged on the inner side wall of the sundries sedimentation cavity (5) far away from the conical airflow acceleration groove (4), an air outlet pipe (6) is fixedly embedded at the bottom of the airflow acceleration shell (2), an electric valve (7) is arranged on the air outlet pipe (6), a heat dissipation channel (8) is arranged in the airflow acceleration shell (2), a plurality of heat dissipation holes (9) are formed between the heat dissipation channel (8) and the installation cavity (3).
2. The photovoltaic power generation grid-connected inverter according to claim 1, characterized in that: the conical airflow acceleration groove (4) is communicated with the sundries settling cavity (5).
3. The photovoltaic power generation grid-connected inverter according to claim 1, characterized in that: the secondary speed-increasing channel (14) is communicated with the mounting cavity (3).
4. The photovoltaic power generation grid-connected inverter according to claim 1, characterized in that: the air outlet pipe (6) is communicated with the secondary speed increasing channel (14).
5. The photovoltaic power generation grid-connected inverter according to claim 1, characterized in that: the heat dissipation channel (8) is communicated with the secondary speed increasing channel (14).
6. The photovoltaic power generation grid-connected inverter according to claim 1, characterized in that: the outer edge of the airflow acceleration shell (2) is fixedly provided with a mounting seat (10), and the mounting seat (10) is provided with a fixing hole (11).
7. The photovoltaic power generation grid-connected inverter according to claim 1, characterized in that: the bottom of the airflow acceleration shell (2) is provided with a cleaning port (12), the cleaning port (12) is communicated with the sundries settling chamber (5), and a plugging plate (13) is installed in the cleaning port (12) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210135289.2A CN114189130B (en) | 2022-02-15 | 2022-02-15 | Photovoltaic power generation grid-connected inverter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210135289.2A CN114189130B (en) | 2022-02-15 | 2022-02-15 | Photovoltaic power generation grid-connected inverter |
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| CN114189130A CN114189130A (en) | 2022-03-15 |
| CN114189130B true CN114189130B (en) | 2022-05-13 |
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| US6818033B2 (en) * | 2000-07-06 | 2004-11-16 | John Herbert North | Dust/particle collecting arrangement for cyclone separators |
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| CN102840102A (en) * | 2011-06-25 | 2012-12-26 | 李耀中 | Power generation device by using object chamber to accumulate air to flow automatically to promote wind force |
| CN203522500U (en) * | 2013-09-17 | 2014-04-02 | 佛山市顺德区尚研电子科技有限公司 | Air-cooled housing of industrial variable-frequency power source |
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| CN111431068B (en) * | 2020-04-17 | 2022-01-25 | 国网山东省电力公司嘉祥县供电公司 | Switch board with heat dissipation dust removal effect |
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| CN104888568A (en) * | 2015-06-11 | 2015-09-09 | 仇登伟 | Air purification system used in public area |
| CN206262295U (en) * | 2016-11-09 | 2017-06-20 | 江苏瑞帆环保装备股份有限公司 | A kind of two grades of Mars dust arrestment devices |
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| CN114189130A (en) | 2022-03-15 |
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