CN115664333B - Photovoltaic inverter - Google Patents
Photovoltaic inverter Download PDFInfo
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- CN115664333B CN115664333B CN202211672175.8A CN202211672175A CN115664333B CN 115664333 B CN115664333 B CN 115664333B CN 202211672175 A CN202211672175 A CN 202211672175A CN 115664333 B CN115664333 B CN 115664333B
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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
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Abstract
The invention discloses a photovoltaic inverter, which comprises an inverter body, wherein an installation frame is arranged in the inverter body, a circuit board is arranged in the installation frame, a plurality of capacitors are arranged on the circuit board, a partition board is arranged in the installation frame, a temperature measuring component is arranged on the partition board, an anti-corrosion pipeline is arranged in the installation frame, a processing unit is arranged in the installation frame, and the processing unit also comprises: negative pressure subassembly and drive assembly. This photovoltaic inverter utilizes the anticorrosion pipeline to absorb the work to the electrolyte that the electric capacity of breaking revealed, and utilize conducting strip and thermal energy piece to make the temperature variation of electric capacity can change into the volume change, and under the effect of circular panel and button one, can confirm the electric capacity position of breaking, utilize the negative pressure to carry out position adjustment as power can effective control rack one and rack two, utilize the button to control the kinematic position of two pairs of anticorrosion pipelines, make the anticorrosion pipeline can effectively absorb the electrolyte of revealing and going out.
Description
Technical Field
The invention relates to the technical field of inverters, in particular to a photovoltaic inverter.
Background
The photovoltaic inverter can convert the variable direct current generated by the photovoltaic solar panel into alternating current with commercial power frequency, and the alternating current can be fed back to a commercial power transmission system or used for an off-grid power grid. The photovoltaic inverter is one of important system balances in a photovoltaic array system and can be used together with common alternating current power supply equipment; the solar inverter has special functions matched with the photovoltaic array, such as maximum power point tracking and island effect protection;
the photovoltaic inverter is composed of a boosting loop and an inversion bridge loop, wherein the boosting loop is mainly used for boosting a direct current voltage to the inverter to output the required direct current voltage, the inversion bridge loop is mainly used for converting the boosted direct current voltage into an alternating current voltage with a fixed frequency, the function of converting the direct current into the alternating current is completed through the boosting loop and the inversion bridge loop, in the actual operation process, a worker needs to perform wiring work on the inverter, the inverter can normally work after the inverter is correctly wired, however, in the actual work period, a user often needs to check dust and lines on the surface of the inverter, in the process, the worker needs to pull the lines down, after the checking and maintenance are completed, the lines are inserted into the inverter again, as compared with the worker, the user has less work experience, the situation that the lines are connected wrongly in the wiring process is often caused, for example, a photovoltaic power generation system is directly connected to the inverter and is not switched by using a power supply, under the situation, the voltage of the power generation system is high, when the electrolyte exceeds the withstand voltage value of a capacitor in the inverter, the electrolyte in the capacitor can be broken due to the situation, the electrolyte flows out along cracks, and other elements can be easily corroded, and other elements can be further, and the inverter can be provided for the inverter.
Disclosure of Invention
The present invention is directed to a photovoltaic inverter to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a photovoltaic inverter, includes the inverter body, inverter body internally mounted has the installation frame, wherein the inside circuit board that is provided with of installation frame, just be provided with a plurality of electric capacities on the circuit board, installation frame internally mounted has the baffle, just the circuit board is located the baffle below, and be provided with on the baffle and be used for carrying out the temperature measurement subassembly that the temperature detected work to a plurality of electric capacities on the circuit board, the inside anticorrosion pipeline that is used for absorbing electrolyte that is provided with of installation frame, just the inside processing unit that is used for absorbing electrolyte on the circuit board through the anticorrosion pipeline that is provided with of installation frame, processing unit still includes: the negative pressure component is arranged in the installation frame and used for absorbing the electrolyte by the anti-corrosion pipeline by utilizing negative pressure; and the driving assembly is arranged in the mounting frame and used for driving the anti-corrosion pipeline to perform position adjustment through negative pressure power.
Preferably, the temperature measuring assembly comprises a limiting sleeve arranged on the partition plate, the limiting sleeve is provided with a plurality of heat conducting fins which are in a pasting state with the capacitors on the partition plate, a thermal expansion piece is arranged inside the limiting sleeve, the end portions of the heat conducting fins are located inside the thermal expansion piece, a circular panel which is used for being in sliding connection with the inner wall of the limiting sleeve is arranged inside the limiting sleeve, the circular panel and the thermal expansion piece are in a contact state, and a first button is arranged on the inner wall of the top of the limiting sleeve.
Preferably, the negative pressure assembly comprises a negative pressure pipeline arranged on the side wall of the installation frame, the end part of the negative pressure pipeline sequentially penetrates through the installation frame and the side wall of the inverter body and extends to the outside of the inverter body, one end of the anti-corrosion pipeline is connected to the negative pressure pipeline, and a reel used for winding the anti-corrosion pipeline is arranged inside the installation frame.
Preferably, still be provided with negative pressure communicating pipe on the negative pressure pipeline, just be provided with circular sleeve on the negative pressure communicating pipe, wherein circular sleeve inside be provided with be used for rather than carry out sliding connection's between the inner wall connecting rod, and be provided with magnet board one on the connecting rod, just magnet board two is installed to magnet board below, negative pressure communicating pipe and anticorrosion pipeline are the vertical state and distribute on the negative pressure pipeline.
Preferably, the first electromagnetic valve and the second electromagnetic valve are respectively arranged on the anti-corrosion pipeline and the negative pressure communicating pipe.
Preferably, the driving assembly comprises a fixing column arranged on the inner wall of the installation frame, a meshing gear is installed on the fixing column, a first rack which is used for being meshed between the meshing gears is arranged inside the installation frame, one end, close to the first magnet plate and one end, close to the second magnet plate, of the first rack is a magnetic end, and the first magnet plate and the second magnet plate respectively generate repulsive and attractive acting forces on the magnetic end of the first rack.
Preferably, be provided with on the installation frame be used for with the meshing gear between be in the engaged state rack two, just rack two and rack one are located the below and the top of meshing gear respectively, and the atress board is installed to two one sides of rack, wherein be provided with the magnetism piece on the atress board, the anticorrosion pipeline is located the magnetism piece and carries out fixed connection rather than, just the atress board lateral wall is provided with the fluting, and fixed mounting has the electro-magnet on the atress board, wherein the electro-magnet circular telegram produces the looks attraction effort to the magnetism piece, just magnetism piece tip install be used for with carry out sliding connection's between the fluting effect piece.
Preferably, the installation frame side wall is provided with a limiting groove used for being in sliding connection with the rack I, the installation frame side wall is fixedly provided with a sliding rail used for being in sliding connection with the rack II, the sliding rail is provided with a plurality of buttons II corresponding to the buttons I, and the buttons II are located on the motion trail of the action block.
Preferably, the partition board is provided with a strip-shaped groove for sliding connection with the anti-corrosion pipeline.
Preferably, the end part of the anti-corrosion pipeline is connected with an umbrella-shaped suction pipe through a bolt.
Compared with the prior art, the invention has the beneficial effects that:
the invention utilizes the anti-corrosion pipeline to absorb the electrolyte leaked by the broken capacitor, utilizes the heat conducting sheet and the thermal expansion piece to convert the temperature change of the capacitor into volume change, can quickly determine the position of the broken capacitor under the action of the circular panel and the first button, simultaneously utilizes negative pressure as power to effectively control the first rack and the second rack to carry out position adjustment under the action of structures such as a second electromagnetic valve, a negative pressure communicating pipe, a connecting rod and the like, can enable the stress plate to drive the magnetic block on the stress plate to act through the directional action of the second rack so as to enable the anti-corrosion pipeline to synchronously act along with the stress plate, utilizes the two buttons to control the movement position of the anti-corrosion pipeline, enables the anti-corrosion pipeline to effectively absorb the leaked electrolyte, thereby achieving the purpose of preventing the electrolyte from corroding other electronic elements on the circuit board and prolonging the service life of the circuit board.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention;
FIG. 3 is a schematic view of the mounting frame structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the mounting frame of the present invention;
FIG. 5 is a schematic view of a temperature measuring assembly according to the present invention;
FIG. 6 is a schematic view showing the structure of a thermal expansion member and a heat conductive sheet according to the present invention;
FIG. 7 is a schematic view of the negative pressure assembly of the present invention;
FIG. 8 is a schematic view of a driving assembly according to the present invention;
FIG. 9 is a partial schematic view of a drive assembly according to the present invention;
fig. 10 is a partial structural schematic view of the stress plate of the invention.
In the figure: 1-an inverter body; 2-a mounting frame; 3-a circuit board; 4-capacitance; 5-a separator; 6-a temperature measuring component; 7-corrosion-resistant pipes; 8-a processing unit; 9-a strip-shaped groove; 10-umbrella-shaped suction pipe; 61-a limit sleeve; 62-a thermally conductive sheet; 63-a thermal expansion member; 64-circular panels; 65-button one; 81-a negative pressure assembly; 82-a drive assembly; 83-a limiting groove; 84-a slide rail; 85-button two; 811-negative pressure piping; 812-a reel; 813-negative pressure communicating pipe; 814-circular sleeve; 815-a connecting rod; 816-magnet plate one; 817-magnet plate two; 818-a first electromagnetic valve; 819-solenoid valve two; 810-nonmagnetic regions; 821-fixed columns; 822-a meshing gear; 823-rack one; 824-rack two; 825-a force-bearing plate; 826-a magnetic block; 827-slotting; 828-an electromagnet; 829-action block.
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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: the invention relates to a photovoltaic inverter, which solves the problems mentioned in the background art, wherein during the actual work period, a user of a household photovoltaic inverter needs to regularly check the inverter, the condition of wrong wiring often occurs after the check is finished, so that the voltage of a power generation system is rapidly increased, when the voltage exceeds the withstand voltage value of a capacitor in the inverter, the surface of the capacitor can be cracked due to overvoltage, electrolyte in the capacitor can easily flow to other elements on a circuit board to corrode other electronic elements, the invention is correspondingly improved aiming at the problems, and comprises an inverter body 1, a mounting frame 2 is arranged in the inverter body 1, a circuit board 3 is arranged in the mounting frame 2, a plurality of capacitors 4 are arranged on the circuit board 3, and particularly, if the capacitors 4 are cracked due to overhigh voltage, the temperature of the capacitors can be high, wherein the installation frame 2 is fixedly provided with a partition board 5 inside, the circuit board 3 is arranged below the partition board 5, and the partition board 5 is provided with a temperature measuring component 6 for detecting the temperature of a plurality of capacitors 4 on the circuit board 3, and further when the capacitors 4 are broken due to overhigh voltage, the temperature of the capacitors should be above a critical value, and further the capacitors 4 which are broken can be effectively detected under the action of the temperature measuring component 6, wherein the installation frame 2 is internally provided with an anti-corrosion pipeline 7 for absorbing electrolyte, the end part of the anti-corrosion pipeline 7 is positioned below the partition board 5, and the end part is provided with an umbrella-shaped absorption pipe 10, the partition board 5 is provided with a strip-shaped groove 9 for slidably connecting with the anti-corrosion pipeline 7, and the installation frame 2 is internally provided with a processing unit for absorbing the electrolyte on the circuit board 3 through the anti-corrosion pipeline 7 8, as a further limitation of the present invention, the processing unit 8 includes a negative pressure component 81 and a driving component 82, wherein the negative pressure component 81 is disposed inside the installation frame 2 and is mainly used for providing a negative pressure acting force to the anti-corrosion pipeline 7, so that the anti-corrosion pipeline 7 absorbs leaked electrolyte by using a negative pressure, and the driving component 82 is disposed inside the installation frame 2 and drives the anti-corrosion pipeline 7 to perform position adjustment by using a negative pressure power, and since there are a plurality of capacitors 4 on the circuit board 3, when a user has a wiring error, a rupture condition may occur in a part of the capacitors 4 due to an excessively high voltage, and the driving component 82 drives the anti-corrosion pipeline 7 to perform position adjustment toward the ruptured capacitor 4;
specifically, when the capacitor 4 is broken due to overhigh voltage, the temperature measuring assembly 6 performs temperature detection on the plurality of capacitors 4, and when the temperature of part of the capacitors 4 is detected to exceed a critical value, the driving assembly 82 drives the anti-corrosion pipeline 7 to perform corresponding position adjustment under the action of the negative pressure assembly 81, so that the anti-corrosion pipeline 7 moves to the broken capacitor 4, and the leaked electrolyte is absorbed by the umbrella-shaped absorption pipe 10;
as a further limitation of the present invention, the temperature measuring assembly 6 includes a limiting sleeve 61 fixedly mounted on the partition board 5, and the limiting sleeve 61 is mounted on the partition board 5, and is in a one-to-one correspondence state with the capacitors 4 (that is, the limiting sleeve 61 is located above the capacitors 4), wherein a plurality of heat conducting fins 62 in a state of being adhered to the capacitors 4 are disposed below the partition board 5, and a thermal expansion member 63 is mounted inside the limiting sleeve 61, specifically, the thermal expansion member 63 of the present invention is spherical in shape and is limited by the limiting sleeve 61, when it is thermally expanded, it can only be directionally expanded upwards, and the end of the heat conducting fin 62 is located inside the thermal expansion member 63, a circular panel 64 for sliding connection with the inner wall of the limiting sleeve 61 is mounted inside the limiting sleeve 61, and the circular panel 64 is in a contact state with the thermal expansion member 63, a button 65 is mounted on the inner wall at the top of the limiting sleeve 61, specifically, when the temperature of a part of the capacitors 4 is too high and exceeds a critical value, at this time, the heat is transferred to the thermal expansion member 63 through the heat conducting fins 62, the thermal expansion member 63 expands so that the circular panel 64 performs directional action inside the sleeve 61, and the button 65 contacts the limiting sleeve 65, and the button 65, when the button 65 contacts the button 65, the distance between the panel 64 and the panel 64 is not enough to drive the normal working distance that the panel 64 exists, the current button 65, the panel 64, and the panel 64 is not enough to support the capacitor, and the capacitor 4, and the current situation that the button 64 exists;
as a further limitation of the present invention, the negative pressure component 81 includes a negative pressure pipeline 811 fixedly installed on a sidewall of the installation frame 2, and an end of the negative pressure pipeline 811 sequentially penetrates through the installation frame 2 and a sidewall of the inverter body 1 and extends to an outside of the inverter body 1, wherein an end of the negative pressure pipeline 811 located outside the inverter body 1 is connected to a blower, and the present invention is not described much because the blower is a prior art feature, wherein the negative pressure pipeline 811 is made of an anti-corrosion material, one end of the anti-corrosion pipeline 7 is connected to the negative pressure pipeline 811, and a reel 812 for winding the anti-corrosion pipeline 7 is installed inside the installation frame 2, the length of the anti-corrosion pipeline 7 is long and is wound by the reel 812, so that the anti-corrosion pipeline 7 can reach any capacitor 4 on the circuit board 3 in a subsequent position adjustment process, it should be noted that, because the installation positions of the capacitors 4 on the circuit board 3 are different, and further there may be an angular deviation between the capacitors 4, the strip-shaped groove 9 in the present invention can perform a corresponding angular adjustment according to the installation positions of the capacitors 4, and for convenience of description, the present invention, the plurality of the capacitors 4 are distributed in a straight line, and specifically, and can be designed according to actual use situations; the negative pressure pipeline 811 is further provided with a negative pressure communicating pipe 813, the corrosion-resistant pipeline 7 and the negative pressure communicating pipe 813 are respectively provided with a first electromagnetic valve 818 and a second electromagnetic valve 819, the first electromagnetic valve 818 and the second electromagnetic valve 819 are regulated by an existing central control panel, the negative pressure communicating pipe 813 is connected with a circular sleeve 814, a connecting rod 815 which is used for being in sliding connection with the inner wall of the circular sleeve 814 is installed inside the circular sleeve 814, a first magnet plate 816 is fixedly installed on the connecting rod 815, and a second magnet plate 817 is installed below the first magnet plate 816, further, the first magnet plate 816 is not provided with magnetism (a nonmagnetic area 810 is adopted below the second magnet plate 817), and the negative pressure communicating pipe 813 and the corrosion-resistant pipeline 7 are vertically distributed on the negative pressure pipeline 811;
as a further definition of the treatment unit 8 of the invention, the driving assembly 82 comprises a fixing post 821 fixedly mounted on the inner wall of the mounting frame 2, and a meshing gear 822 for performing a rotational connection with the fixing column 821 is installed on the fixing column 821, a first rack 823 for meshing the meshing gear 822 is arranged in the mounting frame 2, wherein the side wall of the mounting frame 2 is provided with a limit groove 83 for connecting the sliding rod with the first rack 823, and one end of the rack gear 823 close to the magnet plate 816 and the magnet plate 817 is a magnetic end, and the first magnet plate 816 and the second magnet plate 817 respectively generate repulsive and attractive acting forces on the magnetic end of the first rack 823, and in an initial state, the middle area of the first magnet plate 816 corresponds to the first rack 823 (i.e. the two are in the same horizontal line), the second rack 824 for meshing with the meshing gear 822 is arranged on the mounting frame 2, and rack two 824 and rack one 823 are respectively located below and above the engagement gear 822, wherein, the side wall of the mounting frame 2 is fixedly provided with a slide rail 84 which is used for sliding connection with the second rack 824, one side of the second rack 824 is fixedly provided with a stress plate 825, wherein, the stress plate 825 is provided with a magnetic block 826, the anti-corrosion pipeline 7 is positioned on the magnetic block 826 and is fixedly connected with the magnetic block 826, and the force-bearing plate 825 is provided with a slot 827 on the side wall thereof, and an electromagnet 828 is fixedly mounted on the force-bearing plate 825, wherein the electromagnet 828 generates attraction force to the magnetic block 826 when being electrified, the end part of the magnetic block 826 is provided with an action block 829 for sliding connection with the slot 827, wherein, a plurality of second buttons 85 corresponding to the first buttons 65 are fixedly arranged on the slide rail 84, and the second buttons 85 are positioned on the motion trail of the action block 829.
As the specific embodiment of the invention: when the capacitor 4 is broken due to over-high voltage, the temperature of the broken capacitor 4 is higher than that of the unbroken capacitor 4, the heat conducting fins 62 on the broken capacitor 4 transfer the heat into the thermal expansion members 63, the thermal expansion members 63 expand when heated and drive the circular panel 64 on the thermal expansion members to perform directional action in the limiting sleeve 61, the circular panel 64 touches the first button 65 when moving to the tail end, the fan in the prior art starts to work, the first solenoid valve 818 on the anti-corrosion pipeline 7 is closed, the second solenoid valve 819 is opened, the gas in the negative pressure communicating pipe 813 flows outwards to act on the connecting rod 815 to perform directional ascending action in the circular sleeve 814, so that the first magnet plate 816 and the second magnet plate 817 below the first magnet plate 816 perform synchronous action, and when the connecting rod 815 ascends, the middle area of the first magnet plate 816 and the first rack 823 are no longer in the same horizontal line, the middle area of the second magnet plate 817 is in the same horizontal line with the second magnet plate 817, the nonmagnetic area 810 below the first magnet plate 816 is above the first rack 823, in this state, the second magnet plate 817 attracts the first rack 823, so that the first rack 823 acts in a directional manner and engages the engaging gear 822, so that the second rack 824 acts in the opposite direction to the first rack 823, and the force-bearing plate 825 thereon acts synchronously therewith, because the magnetic block 826 is mounted on the force-bearing plate 825, and the action block 829 thereon acts synchronously with the force-bearing plate 825, in the initial state, the electromagnet 828 is in an energized state, when the action block 829 moves above the rupture capacitor 4, the second button 85 corresponding to the rupture capacitor 4 acts, and the second button 85 sends a signal to the central control panel, the electromagnet 828 is powered off, the magnetic block 826 performs gravity descending on the slot 827, so that the anti-corrosion pipeline 7 on the magnetic block drives the umbrella-shaped suction pipe 10 to perform synchronous descending (descending to the broken capacitor 4), when the button II 85 is pressed, the gas flow channel of the electromagnetic valve II 819 is reduced, so that the connecting rod 815 is kept in a static state under the action of suction force, meanwhile, the electromagnetic valve I818 is opened, electrolyte flowing out from the broken capacitor 4 is sucked through the anti-corrosion pipeline 7 and the umbrella-shaped suction pipe 10, and therefore corrosion of other electronic elements caused by electrolyte leaked by breakage of the capacitor 4 can be effectively prevented, the whole operation speed is high, the electrolyte can be fully and effectively absorbed before leaking to other electronic elements, and the service life of the electronic elements on the circuit board 3 is ensured.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a photovoltaic inverter, includes inverter body (1), inverter body (1) internally mounted has installation frame (2), wherein installation frame (2) inside is provided with circuit board (3), just be provided with a plurality of electric capacity (4) on circuit board (3), its characterized in that: installation frame (2) internally mounted has baffle (5), just circuit board (3) are located baffle (5) below, and be provided with temperature measurement subassembly (6) that are used for carrying out temperature detection work to a plurality of electric capacity (4) on circuit board (3) on baffle (5), installation frame (2) inside is provided with and is used for carrying out anticorrosive pipeline (7) that absorb to electrolyte, just installation frame (2) inside is provided with and is used for carrying out the processing unit (8) that absorb to the electrolyte on circuit board (3) through anticorrosive pipeline (7), processing unit (8) still include:
the negative pressure assembly (81) is arranged in the installation frame (2) and is used for absorbing the electrolyte by the anti-corrosion pipeline (7) by utilizing negative pressure;
and the driving assembly (82) is arranged in the mounting frame (2) and is used for driving the anti-corrosion pipeline (7) to perform position adjustment through negative pressure power.
2. A photovoltaic inverter as claimed in claim 1, characterized in that: the temperature measurement component (6) comprises a limiting sleeve (61) arranged on a partition plate (5), the limiting sleeve (61) is arranged on the partition plate (5) and is in a one-to-one state with the capacitor (4), a plurality of heat conducting fins (62) which are in a pasting state with the capacitor (4) are arranged below the partition plate (5), a thermal expansion piece (63) is arranged inside the limiting sleeve (61), the end portion of each heat conducting fin (62) is located inside the thermal expansion piece (63), a round panel (64) which is used for being in sliding connection with the inner wall of the limiting sleeve (61) is arranged inside the limiting sleeve (61), the round panel (64) and the thermal expansion piece (63) are in a contact state, and a first button (65) is arranged on the inner wall of the top of the limiting sleeve (61).
3. A photovoltaic inverter as claimed in claim 1, characterized in that: negative pressure subassembly (81) is including setting up in negative pressure pipeline (811) of installation frame (2) lateral wall, just negative pressure pipeline (811) tip runs through installation frame (2) and inverter body (1) lateral wall in proper order and extends to inverter body (1) outside, anticorrosion pipeline (7) one end is connected on negative pressure pipeline (811), and installation frame (2) internally mounted has reel (812) that are used for carrying out the rolling to anticorrosion pipeline (7).
4. A photovoltaic inverter as claimed in claim 3, characterized in that: still be provided with negative pressure communicating pipe (813) on negative pressure pipeline (811), just be provided with circular sleeve (814) on negative pressure communicating pipe (813), wherein circular sleeve (814) inside be provided with be used for rather than carry out sliding connection between the inner wall connecting rod (815), and be provided with magnet board (816) on connecting rod (815), just magnet board two (817) are installed to magnet board (816) below, negative pressure communicating pipe (813) and anticorrosion pipeline (7) are the vertical state and distribute on negative pressure pipeline (811).
5. A photovoltaic inverter as claimed in claim 4, characterized in that: the anti-corrosion pipeline (7) and the negative pressure communicating pipe (813) are respectively provided with a first electromagnetic valve (818) and a second electromagnetic valve (819).
6. A photovoltaic inverter as claimed in claim 4, wherein: the driving assembly (82) comprises a fixing column (821) arranged on the inner wall of the installation frame (2), a meshing gear (822) is installed on the fixing column (821), a first rack (823) used for being in a meshing state between the meshing gears (822) is arranged inside the installation frame (2), one end, close to a first magnet plate (816) and a second magnet plate (817), of the first rack (823) is a magnetic end, and the first magnet plate (816) and the second magnet plate (817) respectively generate repulsive and attractive acting forces on the magnetic end of the first rack (823).
7. A photovoltaic inverter as claimed in claim 6, wherein: the anti-corrosion pipeline (7) is located on the magnetic block (826) and fixedly connected with the magnetic block (826), a slot (827) is formed in the side wall of the stress plate (825), an electromagnet (828) is fixedly mounted on the stress plate (825), the electromagnet (828) is electrified to generate attraction force on the magnetic block (826), and an action block (829) used for being in sliding connection with the slot (827) is mounted at the end of the magnetic block (826).
8. A photovoltaic inverter as claimed in claim 7, wherein: the side wall of the installation frame (2) is provided with a limiting groove (83) used for being in sliding connection with a first rack (823), a sliding rail (84) used for being in sliding connection with a second rack (824) is fixedly installed on the side wall of the installation frame (2), a plurality of second buttons (85) corresponding to the first buttons (65) are arranged on the sliding rail (84), and the second buttons (85) are located on the motion track of the action block (829).
9. A photovoltaic inverter as claimed in claim 1, wherein: and a strip-shaped groove (9) which is used for being in sliding connection with the anti-corrosion pipeline (7) is formed in the partition plate (5).
10. A photovoltaic inverter as claimed in claim 9, wherein: the end part of the anti-corrosion pipeline (7) is connected with an umbrella-shaped suction pipe (10) through a bolt.
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| CN202211672175.8A CN115664333B (en) | 2022-12-26 | 2022-12-26 | Photovoltaic inverter |
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| CN202211672175.8A CN115664333B (en) | 2022-12-26 | 2022-12-26 | Photovoltaic inverter |
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| CN115664333A CN115664333A (en) | 2023-01-31 |
| CN115664333B true CN115664333B (en) | 2023-03-10 |
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| CN116593846B (en) * | 2023-07-14 | 2023-09-08 | 苏州艾立罗电子有限公司 | Arc fault detection device of photovoltaic inverter |
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