Photovoltaic inverter with protection function
By designing components such as drainage blocks, ventilation slots and operating motors in the photovoltaic inverter, the moisture problem caused by the entry of rain and snow is solved, the equipment is dry and normal operation is ensured, and the snow is removed to prevent its impact. Use of ventilation holes.
Patent Information
- Application Number
- CN202323420557.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-15
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2033-12-15
AI Technical Summary
When used in rainy and snowy days, rainy and snow are easily blown in through the heat dissipation hole, resulting in excessive internal moisture and affecting the use of electronic devices.
A photovoltaic inverter with protective function was designed, using components such as drainage block, drainage groove, ventilation groove and operating motor. The eccentric wheel is driven to rotate by sliding down and operating motor, combining the structure of telescopic spring and hitting block. Prevent rain and snow from entering and clearing snow, ensuring ventilation of the heat dissipation holes.
Effectively prevent rain and snow from entering the interior of the photovoltaic inverter, keep the interior dry, ensure the normal operation of electronic devices, and prevent snow from affecting the use of ventilation holes.
Smart Images
Figure CN222366247U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of photovoltaic inverters, in particular to a photovoltaic inverter with a protection function. Background Art
[0002] Photovoltaic inverters convert the variable DC voltage generated by photovoltaic (PV) solar panels into AC power at mains frequency, which can be fed back into commercial power transmission systems or used in off-grid power grids. PV inverters are a crucial balance of system (BOS) component in PV array systems and can be used with conventional AC-powered equipment. Solar inverters have specialized features for PV arrays, such as maximum power point tracking (MPPT) and islanding protection.
[0003] However, the existing photovoltaic inverters still have the following problems during use:
[0004] When existing photovoltaic inverters are used in rainy and snowy days, rain and snow are easily blown into the interior of the photovoltaic inverter through the heat dissipation holes under the action of wind, causing excessive moisture inside the photovoltaic inverter, affecting the use of electronic devices in the photovoltaic inverter. Therefore, it is very necessary to involve a photovoltaic inverter with a protective function for use in the existing photovoltaic inverter field. Utility Model Content
[0005] In order to make up for the shortcomings of the existing technology, when the existing photovoltaic inverter is used in rainy and snowy days, rain and snow are easily blown into the interior of the photovoltaic inverter through the heat dissipation holes under the action of wind, causing excessive moisture inside the photovoltaic inverter, which affects the use of electronic devices in the photovoltaic inverter. The utility model proposes a photovoltaic inverter with a protective function.
[0006] The technical solution adopted by the utility model to solve its technical problems is: a photovoltaic inverter with a protective function, including a photovoltaic inverter main body, the back of the photovoltaic inverter main body is symmetrically fixedly equipped with side panels, the side panels are fixedly equipped with connecting plates, the connecting plates are provided with connecting holes, the bottoms of the two side panels are fixedly equipped with leakage nets, the upper back part of the photovoltaic inverter main body is tilted and fixedly equipped with a protective mechanism, the protective mechanism includes a drainage block, the surface of the drainage block is provided with a plurality of drainage grooves, the bottom of the drainage block is provided with a plurality of ventilation grooves, and the ventilation grooves are located between the drainage grooves.
[0007] Preferably, the drainage grooves are symmetrically provided with first inclined grooves, which are all inclined upward, and the ventilation grooves are symmetrically provided with second inclined grooves, which are correspondingly located above the first inclined grooves and are all inclined downward.
[0008] Preferably, ventilation holes are provided on the second chute, and the ventilation holes are connected to the first chute respectively. A plurality of groups of inclined grooves are symmetrically provided on the surface of the drainage block, and the inclined grooves are all inclined downward in the direction of the drainage groove. The two ends of the drainage block are fixedly assembled with the side plates respectively.
[0009] Preferably, a baffle is fixedly mounted on one end of the side panel and the water leakage net, the top of the baffle is fixedly mounted on the bottom of the drainage block, and heat dissipation holes are provided on the photovoltaic inverter body, which are respectively located on the inner side of the water leakage net, the side panel, the baffle and the protective mechanism.
[0010] Preferably, an operating motor is fixedly mounted on the baffle, and the operating motor is located between the photovoltaic inverter body and the baffle. A rotating rod is fixedly mounted on the output end of the operating motor, and the rotating rod movably passes through the baffle, and an eccentric wheel is fixedly mounted on one end of the rotating rod, and the eccentric wheel is located on one side of the baffle.
[0011] Preferably, the baffle is fixedly equipped with a fixed block, the fixed block is movably equipped with a guide rod, the bottom of the guide rod is fixedly equipped with a traction plate, the traction plate is located above the eccentric wheel, and the traction plate is fitted with the eccentric wheel, the top of the guide rod is fixedly equipped with a cross plate, the cross plate is fixedly equipped with a fixed rod, the top of the fixed rod is fixedly equipped with a striking block, the striking block is located below the drainage block, and the striking block is correspondingly close to the drainage groove, the guide rod is equipped with a telescopic spring, and the two ends of the telescopic spring are respectively fixedly equipped with the fixed block and the traction plate.
[0012] The utility model is beneficial in that:
[0013] The utility model allows rain and snow to slide down through the drainage block, and air flows into the first inclined groove through the drainage groove, and then flows into the second inclined groove through the ventilation hole from the first inclined groove, and then flows into the ventilation groove from the second inclined groove, so that rain and snow cannot enter the interior of the photovoltaic inverter body from the heat dissipation hole under the action of wind, thereby protecting the heat dissipation hole. At the same time, the operating motor is started to make the rotating rod drive the eccentric wheel to rotate, and the traction plate moves the guide rod on the fixed block under the elastic force of the telescopic spring, and the cross plate drives the striking block on the fixed rod to repeatedly knock the bottom of the drainage block, so that the snow attached to the drainage groove falls off, and it is prevented that the snow accumulates to a certain height and affects the use of the ventilation hole. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0015] Figure 1 This is a schematic diagram of the structure of a photovoltaic inverter with protection function of the utility model;
[0016] Figure 2 This is a schematic cross-sectional view of the photovoltaic inverter with protection function of the present utility model;
[0017] Figure 3 This is a schematic diagram of the protective mechanism structure of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the striking mechanism of the present utility model.
[0019] In the picture:
[0020] 10. Photovoltaic inverter body; 11. Side panels; 12. Connecting plates; 13. Connecting holes;
[0021] 20. Water leakage net; 21. Operating motor; 22. Baffle; 23. Heat dissipation hole;
[0022] 30. Protective mechanism; 301. Drainage block; 302. Drainage trough; 303. First chute; 304. Inclined trough; 305. Ventilation trough; 306. Second chute; 307. Ventilation hole;
[0023] 31. Eccentric wheel; 32. Rotating rod; 33. Fixed block;
[0024] 40. Guide rod; 41. Pull plate; 42. Cross plate; 43. Fixing rod;
[0025] 50. Striking block; 51. Telescopic spring. DETAILED DESCRIPTION
[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0027] The following is combined with Figure 1 —4 further details of this application,
[0028] The embodiment of the present application discloses a photovoltaic inverter with a protection function. Figure 1 - Figure 3A photovoltaic inverter with a protective function includes a photovoltaic inverter body 10, the back of the photovoltaic inverter body 10 is symmetrically fixed with side panels 11, each of the side panels 11 is fixed with a connecting plate 12, each of the connecting plates 12 is provided with a connecting hole 13, the bottom of the two side panels 11 is fixed with a water leakage net 20, the upper back of the photovoltaic inverter body 10 is tilted and fixed with a protective mechanism 30, the protective mechanism 30 includes a drainage block 301, the surface of the drainage block 301 is provided with a There are multiple drainage grooves 302, and multiple ventilation grooves 305 are set at the bottom of the drainage block 301. The ventilation grooves 305 are located between the drainage grooves 302. The drainage grooves 302 are symmetrically provided with first inclined grooves 303. The first inclined grooves 303 are all inclined upward. The ventilation grooves 305 are symmetrically provided with second inclined grooves 306. The second inclined grooves 306 are correspondingly located above the first inclined grooves 303 and are all inclined downward. The second inclined grooves 306 are provided with the same 03 is connected to the ventilation hole 307, the surface of the drainage block 301 is symmetrically provided with multiple groups of inclined grooves 304, the inclined grooves 304 are inclined downward in the direction of the drainage groove 302, the two ends of the drainage block 301 are respectively fixedly assembled with the side plate 11, the side plate 11 and one end of the leakage net 20 are fixedly assembled with a baffle 22, the top of the baffle 22 is fixedly assembled on the bottom of the drainage block 301, and the photovoltaic inverter body 10 is provided with heat dissipation holes 23, which are respectively located at the leakage On the inner side of the water net 20, the side panels 11, the baffles 22 and the protective mechanism 30, rain and snow slide down through the drainage block 301, and air flows into the first chute 303 through the drainage groove 302, and then flows from the first chute 303 into the second chute 306 through the ventilation hole 307, and then flows from the second chute 306 into the ventilation groove 305, so that rain and snow cannot enter the interior of the photovoltaic inverter body 10 through the heat dissipation holes 23 under the action of wind, thereby protecting the heat dissipation holes 23.
[0029] Reference Figure 2 and Figure 4The baffle 22 is fixedly equipped with an operating motor 21, and the operating motor 21 is located between the photovoltaic inverter body 10 and the baffle 22. The output end of the operating motor 21 is fixedly equipped with a rotating rod 32, and the rotating rod 32 movably passes through the baffle 22, and one end of the rotating rod 32 is fixedly equipped with an eccentric wheel 31, and the eccentric wheel 31 is located on one side of the baffle 22. A fixed block 33 is fixedly equipped on the baffle 22, and a guide rod 40 is movably equipped on the fixed block 33. The bottom of the guide rod 40 is fixedly equipped with a traction plate 41 that fits with the eccentric wheel 31. The traction plate 41 is located above the eccentric wheel 31. The top of the guide rod 40 is fixedly equipped with a horizontal plate 42, and a fixed rod 43 is fixedly equipped on the horizontal plate 42. The fixed rod 43 The top is fixedly equipped with a striking block 50, which is located below the drainage block 301, and the striking block 50 is correspondingly close to the drainage groove 302. A telescopic spring 51 is fixedly equipped between the fixed block 33 and the traction plate 41, and the guide rod 40 is assembled on the inner side of the telescopic spring 51. The operating motor 21 is started to make the rotating rod 32 drive the eccentric wheel 31 to rotate. Under the elastic force of the telescopic spring 51, the traction plate 41 makes the guide rod 40 move on the fixed block 33. The cross plate 42 drives the striking block 50 on the fixed rod 43 to repeatedly knock on the bottom of the drainage block 301, so that the snow attached to the drainage groove 302 falls off, thereby preventing the snow from accumulating to a certain height to affect the use of the ventilation hole 307.
[0030] Working principle: Rain and snow slide down through the drainage block 301, and air flows into the first inclined groove 303 through the drainage groove 302, and then flows into the second inclined groove 306 through the ventilation hole 307 from the first inclined groove 303, and then flows into the ventilation groove 305 from the second inclined groove 306, so that rain and snow cannot enter the interior of the photovoltaic inverter body 10 from the heat dissipation hole 23 under the action of wind, which plays a protective role for the heat dissipation hole 23. At the same time, the operating motor 21 is started, so that the rotating rod 32 drives the eccentric wheel 31 to rotate, and the traction plate 41 moves the guide rod 40 on the fixed block 33 under the elastic force of the telescopic spring 51. The cross plate 42 drives the striking block 50 on the fixed rod 43 to repeatedly knock on the bottom of the drainage block 301, so that the snow attached to the drainage groove 302 falls off, and prevents the snow from accumulating to a certain height to affect the use of the ventilation hole 307.
[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.
Claims
1. A photovoltaic inverter with protection function, characterized in that: The photovoltaic inverter body (10) comprises a photovoltaic inverter body (10), wherein the back of the photovoltaic inverter body (10) is symmetrically fixedly equipped with side panels (11), the side panels (11) are fixedly equipped with connecting panels (12), the connecting panels (12) are provided with connecting holes (13), the bottoms of the two side panels (11) are fixedly equipped with water leakage nets (20), and the upper back of the photovoltaic inverter body (10) is tiltedly fixedly equipped with a protective mechanism (30), the protective mechanism (30) comprises a drainage block (301), the surface of the drainage block (301) is provided with a plurality of drainage grooves (302), the bottom of the drainage block (301) is provided with a plurality of ventilation grooves (305), and the ventilation grooves (305) are located between the drainage grooves (302).
2. The photovoltaic inverter with protection function according to claim 1, characterized in that: The drainage grooves (302) are symmetrically provided with first inclined grooves (303), and the first inclined grooves (303) are all inclined upwards. The ventilation grooves (305) are symmetrically provided with second inclined grooves (306), and the second inclined grooves (306) are correspondingly located above the first inclined grooves (303), and the second inclined grooves (306) are all inclined downwards.
3. The photovoltaic inverter with protection function according to claim 2, characterized in that: The second inclined grooves (306) are each provided with ventilation holes (307), and the ventilation holes (307) are each correspondingly connected to the first inclined grooves (303). The surface of the drainage block (301) is symmetrically provided with a plurality of groups of inclined grooves (304), and the inclined grooves (304) are each inclined downward in the direction of the drainage groove (302). The two ends of the drainage block (301) are respectively fixedly assembled with the side plates (11).
4. The photovoltaic inverter with protection function according to claim 3, characterized in that: A baffle (22) is fixedly mounted on one end of the side plate (11) and the water leakage net (20); the top of the baffle (22) is fixedly mounted on the bottom of the drainage block (301); a heat dissipation hole (23) is provided on the photovoltaic inverter body (10); and the heat dissipation hole (23) is respectively located on the inner side of the water leakage net (20), the side plate (11), the baffle (22) and the protective mechanism (30).
5. The photovoltaic inverter with protection function according to claim 4, characterized in that: An operating motor (21) is fixedly mounted on the baffle (22), the operating motor (21) is located between the photovoltaic inverter body (10) and the baffle (22), a rotating rod (32) is fixedly mounted on the output end of the operating motor (21), the rotating rod (32) movably penetrates the baffle (22), and an eccentric wheel (31) is fixedly mounted on one end of the rotating rod (32), the eccentric wheel (31) is located on one side of the baffle (22).
6. The photovoltaic inverter with protection function according to claim 5, characterized in that: The baffle plate (22) is fixedly equipped with a fixed block (33), and the fixed block (33) is movably equipped with a guide rod (40). A traction plate (41) is fixedly equipped at the bottom of the guide rod (40), and the traction plate (41) is located above the eccentric wheel (31), and the traction plate (41) is in contact with the eccentric wheel (31). A transverse plate (42) is fixedly equipped at the top of the guide rod (40), and a fixed rod (43) is fixedly equipped on the transverse plate (42). A striking block (50) is fixedly equipped at the top of the fixed rod (43), and the striking block (50) is located below the drainage block (301), and the striking block (50) is correspondingly close to the drainage groove (302). A telescopic spring (51) is equipped on the guide rod (40), and two ends of the telescopic spring (51) are respectively fixedly equipped with the fixed block (33) and the traction plate (41).