Photovoltaic power generation inverter for fish-light complementation

Abstract

The invention relates to a photovoltaic power generation inverter for fish-light complementation, which comprises an inverter body, the top of the inverter body is fixedly provided with a rain baffle, the inverter body is provided with a plurality of rows of vent holes along the width direction, the inverter body is provided with a protection device, and the protection device is connected with the rain baffle. The protection device comprises a power supply assembly, a transmission assembly and a protection assembly, when it rains, the power supply assembly drives the transmission assembly, and the transmission assembly drives the protection assembly to block the multiple rows of ventilation holes; through the arrangement of the protection device, the ventilation holes can be blocked temporarily in rainy days, so that more water vapor is prevented from entering the inverter as much as possible, and the service life of the inverter can be prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of inverters, and in particular to a photovoltaic power generation inverter for fishery-photovoltaic complementarity. Background Art

[0002] The power generation inverter is a key device that converts direct current into alternating current and is widely used in solar photovoltaic power generation systems. In order to ensure that the inverter can work stably for a long time, its design usually takes into account the influence of various environmental factors, including temperature, humidity, etc. When it rains, although the rain shield can protect the inverter from direct rain to a certain extent, since the inverter needs to dissipate heat, heat dissipation holes are usually set, which will cause more water vapor to enter the interior of the inverter through the ventilation holes on rainy days, thus affecting the service life of the inverter. Summary of the invention

[0003] (1) Technical issues to be resolved The purpose of the present invention is to overcome the shortcomings of the prior art, adapt to actual needs, and provide a photovoltaic power generation inverter for fish-light complementarity that can reduce the entry of water vapor into the ventilation holes on rainy days, thereby avoiding excessive water vapor on rainy days from entering the interior of the inverter and affecting its service life, so as to solve the above-mentioned technical problems.

[0004] (2) Technical solution In order to achieve the purpose of the present invention, the technical solution adopted by the present invention is: A photovoltaic power generation inverter for fish-photovoltaic complementarity includes an inverter body, a rain shield is fixedly arranged on the top of the inverter body, multiple rows of ventilation holes are arranged on the inverter body along the width direction, and a protective device is arranged on the inverter body. The protective device includes a power supply component, a transmission component and a protective component. When it rains, the power supply component will drive the transmission component, and the transmission component drives the protective component to block the multiple rows of ventilation holes.

[0005] The power supply component includes a working shell arranged beside the rain shield, the top surface of the working shell is provided with a water inlet cavity, a piston block that can reciprocate in a sealed manner is provided in the water inlet cavity, and a return spring is fixedly provided between the piston block and the bottom of the water inlet cavity.

[0006] The transmission assembly includes a transmission groove arranged at the bottom of the water inlet chamber, a transmission block that can reciprocate in a sealed manner is arranged in the transmission groove, the transmission block is fixedly connected to the piston block, a first inclined block is fixedly arranged at the lower end of the transmission block, a mounting plate is fixedly arranged on the side of the inverter body, a reciprocating rack is arranged on the mounting plate, and a second inclined block is fixedly arranged at one end of the rack close to the first inclined block.

[0007] The protective assembly includes a plurality of protective parts, and a protective part is arranged on one side of each row of ventilation holes. The protective parts include a first plate and a second plate fixedly arranged on the side of the inverter body, a rotating rod is rotatably arranged on the second plate, the other end of the rotating rod can rotatably pass through the first plate and is fixedly arranged with a gear, the gear is meshed with the rack, a rotating plate is fixedly arranged on the rotating rod, and a sealing rubber plate is fixedly arranged on the side of the rotating plate close to the ventilation hole.

[0008] A plurality of heat dissipation fins are fixedly arranged on the side of the inverter body, a rain collecting trough is fixedly arranged on the side of the inverter body, the rain collecting trough is located below the rain shield, a first notch is provided on the side wall of the rain collecting trough and is connected with a second notch on the side wall of the water inlet cavity, a plurality of water outlets are provided on the bottom wall of the rain collecting trough, and each water outlet faces the heat dissipation fins.

[0009] The heat dissipation fins are made of titanium alloy.

[0010] A rain shielding inclined plate is fixedly arranged on the side of the inverter body, and the rain shielding inclined plate is located between the water outlet and the heat dissipation fins.

[0011] The mounting plate is provided with a trapezoidal slide groove, and the rack is fixedly provided with a trapezoidal block which can reciprocate in the trapezoidal slide groove.

[0012] A small water leakage hole is arranged in the middle of the piston block, a small water outlet hole is arranged at the bottom of the water inlet cavity, and a hose is arranged in communication between the small water leakage hole and the small water outlet hole.

[0013] (3) Beneficial effects A. By setting up the protective device, the ventilation holes can be temporarily blocked on rainy days, so as to avoid more water vapor from entering the inverter, thereby increasing the service life of the inverter.

[0014] B. When the bottom surface of the piston block moves to the same level as the top wall of the notch on the side wall of the water inlet chamber (such as Figure 7 As shown in the figure, at this time, the sealing rubber plate just sticks to the ventilation hole to achieve sealing. However, as the water on the upper surface of the piston block continues to increase, the piston block will continue to move downward, so that the notch on the side wall of the water inlet chamber is connected with the space on the upper surface of the piston block. The rainwater will flow onto the heat sink fins through the notch on the side wall of the water inlet chamber, the notch on the side wall of the rain collecting trough, the rain collecting trough and the downspout, so as to flush the heat sink fins and speed up the heat dissipation of the heat sink fins, thereby minimizing the negative impact of slowing down the heat dissipation speed when the heat dissipation holes are blocked; when it is not raining, the heat sink fins can also assist the heat dissipation holes in dissipating heat.

[0015] C. Through the arrangement of the power supply component, the transmission component and the protection component, when the power supply component is damaged (i.e. the piston block is stuck and cannot move downward), or the transmission component is damaged (i.e. the second bevel block cannot push the rack part connected to the rack to move, and the piston block cannot move downward at this time), or the transmission component is damaged (i.e. the rack cannot push the gear and the rotating rod to rotate, and the piston block will also be stuck and cannot move downward at this time), rainwater will not flow onto the fins through the rain collecting gutter, thereby preventing the protective component from being able to close the vents due to damage to the device and still allowing rainwater to wash the fins, causing part of the rainwater to splash into the inverter body and damage the inverter, thereby allowing the device to avoid further losses when a failure occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the photovoltaic power generation inverter for fishery-photovoltaic complementarity of the present invention; Figure 2 It is a rear view of the photovoltaic power generation inverter for fishery-photovoltaic complementarity of the present invention; Figure 3 It is a left view of the photovoltaic power generation inverter for fishery-photovoltaic complementarity of the present invention; Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure at AA in FIG. Figure 5 for Figure 4 The enlarged view of point B in the figure; Figure 6 for Figure 4 The enlarged view of point C in the figure; Figure 7 A schematic diagram of the position of the piston block when the ventilation hole is blocked; Figure 8 A schematic structural diagram of the photovoltaic power generation inverter for fishery-photovoltaic complementarity of the present invention from another perspective; Fig. 9 for Figure 8 The enlarged view of D in the figure; Fig.10 The schematic diagram of the three-dimensional structure after removing the rain shield inclined plate; Fig.11 for Fig.10 The enlarged view of point E in the figure; Fig.12 Schematic diagram of a trapezoidal chute.

[0017] Fig.13 Schematic diagram of the working spring position.

[0018] Figure markings: 1-inverter body; 2-rain shield; 3-ventilation hole; 20-working housing; 21-water inlet chamber; 22-piston block; 23-reset spring; 30-transmission groove; 31-transmission block; 32-first inclined block; 33-mounting plate; 34-rack; 35-second inclined block; 40-first plate; 41-second plate; 42-sealing rubber plate; 43-rotating rod; 44-gear; 45-rotating plate; 60-rain collecting trough; 70-first notch; 71-second notch; 72-heat dissipation fin; 73-drain outlet; 80-rain shield inclined plate; 90-trapezoidal slide; 91-trapezoidal block; 100-leakage hole; 101-water outlet hole; 102-hose; 600-working spring. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-13 The present invention is further described with examples: A photovoltaic power generation inverter for fish-photovoltaic complementarity includes an inverter body 1, a rain shield 2 is fixedly provided on the top of the inverter body 1, multiple rows of ventilation holes 3 are provided on the inverter body 1 along the width direction, and a protective device is provided on the inverter body 1. The protective device includes a power supply component, a transmission component and a protective component. When it rains, the power supply component will drive the transmission component, and the transmission component drives the protective component to block the multiple rows of ventilation holes 3.

[0020] The power supply component includes a working shell 20 arranged next to the rain shield 2, and a water inlet chamber 21 is arranged on the top surface of the working shell 20. A piston block 22 that can reciprocate in a sealed manner is arranged in the water inlet chamber 21, and a return spring 23 is fixedly arranged between the piston block 22 and the bottom of the water inlet chamber 21.

[0021] The transmission assembly includes a transmission groove 30 arranged at the bottom of the water inlet chamber 21, a transmission block 31 that can be sealed and reciprocated is arranged in the transmission groove 30, the transmission block 31 is fixedly connected to the piston block 22, a first inclined block 32 is fixedly arranged at the lower end of the transmission block 31, a mounting plate 33 is fixedly arranged on the side of the inverter body 1, a reciprocating rack 34 is arranged on the mounting plate 33, and a second inclined block 35 is fixedly arranged at one end of the rack 34 close to the first inclined block 32.

[0022] The protection assembly includes a plurality of protection parts, and a protection part is provided on one side of each row of ventilation holes 3. The protection parts include a first plate 40 and a second plate 41 fixedly provided on the side of the inverter body 1, and a rotating rod 43 is rotatably provided on the second plate 41. The other end of the rotating rod 43 can rotatably pass through the first plate 40 and is fixedly provided with a gear 44. The gear 44 is meshed with the rack 34. A rotating plate 45 is fixedly provided on the rotating rod 43, and a sealing rubber plate 42 is fixedly provided on the side of the rotating plate 45 close to the ventilation hole 3.

[0023] When it rains heavily, rainwater will enter the water inlet chamber 21 beside the rain shield 2. When the amount of rainwater in the water inlet chamber 21 increases, the piston block 22 will overcome the resistance of the return spring 23 under the action of the gravity of the rainwater and move downward. The downward moving piston block 22 will move the transmission block 31 and the first inclined block 32 downward. The first inclined block 32 will push the second inclined block 35 and the rack 34 to move away from the working housing 20. When the rack 34 moves, it will mesh with the gear 44 to drive the gear 44 to rotate. The gear 44 will rotate with the rotating rod 43, the rotating plate 45 and the sealing rubber plate 42, so that the sealing rubber plate 42 sticks to the vent 3 to achieve sealing, and then the vent can be temporarily blocked on rainy days, thereby avoiding more water vapor from entering the inverter as much as possible, thereby increasing the service life of the inverter.

[0024] A plurality of heat dissipation fins 72 are fixedly provided on the side of the inverter body 1, a rain collecting trough 60 is fixedly provided on the side of the inverter body 1, the rain collecting trough 60 is located below the rain shield 2, a first notch 70 is provided on the side wall of the rain collecting trough 60 and is connected to a second notch 71 on the side wall of the water inlet cavity 21, a plurality of water droplets 73 are provided on the bottom wall of the rain collecting trough 60, each water droplet 73 is directly facing the heat dissipation fin 72. Directly facing the heat dissipation fin, the rainwater can be better flushed to the heat dissipation fin, the width of the water droplet is slightly larger than the thickness of the fin, so that the rainwater can slowly flow down along the two sides of the fin, and assist the heat dissipation of the heat dissipation fin.

[0025] The heat dissipation fins are made of titanium alloy, which can improve the corrosion resistance of the fins and thus increase the service life of the fins.

[0026] A rain shield inclined plate 80 is fixedly provided on the side of the inverter body 1, and the rain shield inclined plate 80 is located between the water outlet 73 and the heat dissipation fins 72. The rain shield inclined plate can be provided to guide the rainwater falling on the inclined plate to the fins, so that the rainwater can better flush the fins to achieve heat dissipation.

[0027] A trapezoidal slot 90 is provided on the mounting plate 33, a trapezoidal block 91 which can reciprocate in the trapezoidal slot 90 is fixedly provided on the rack 34, and a working spring 600 is fixedly provided between the rack 34 and the trapezoidal block 91, and the working spring is used to reset the rack toward the direction close to the working housing 20.

[0028] A small water leakage hole 100 is arranged in the middle of the piston block 22, a small water outlet hole 101 is arranged at the bottom of the water inlet chamber 21, and a hose 102 is arranged in communication between the small water leakage hole 100 and the small water outlet hole 101. Through the arrangement of the small water leakage hole 100, the hose 102 and the small water outlet hole 101, when the rain stops, since the rainwater in the water inlet chamber 21 no longer increases, when the piston block 22 is reset to the bottom surface and the top wall of the second notch 71 of the side wall of the water inlet chamber 21 is at the same horizontal plane, even if the water on the upper surface of the piston block 22 can no longer flow into the second notch 71 of the side wall of the water inlet chamber 21, the rainwater can slowly leak out through the small water leakage hole 100, the hose 102 and the small water outlet hole 101, so that the reset spring 23 can bring the piston block 22 to reset upward to the initial position as the gravity of the rainwater on the upper surface of the piston block 22 continues to decrease, so that the heat dissipation hole can be unblocked again for ventilation.

[0029] The working principle of the present invention includes the following process: When it rains heavily, rainwater will enter the water inlet chamber 21 beside the rain shield 2. When the amount of rainwater in the water inlet chamber 21 increases, the piston block 22 will overcome the resistance of the return spring 23 under the action of the gravity of the rainwater and move downward. The downward moving piston block 22 will move the transmission block 31 and the first inclined block 32 downward. The first inclined block 32 will push the second inclined block 35 and the rack 34 to move away from the working housing 20. When the rack 34 moves, it will mesh with the gear 44 to drive the gear 44 to rotate. The gear 44 will rotate with the rotating rod 43, the rotating plate 45 and the sealing rubber plate 42, so that the sealing rubber plate 42 sticks to the vent 3 to achieve sealing, and then the vent can be temporarily blocked on rainy days, thereby avoiding more water vapor from entering the inverter as much as possible, thereby increasing the service life of the inverter.

[0030] At the same time, when the bottom surface of the piston block 22 moves to the same level as the top wall of the second notch 71 on the side wall of the water inlet chamber 21 (such as Figure 7As shown), at this time, the sealing rubber plate 42 just sticks to the ventilation hole 3 to achieve blocking. However, as the water on the upper surface of the piston block 22 continues to increase, the piston block 22 will continue to move downward, so that the second notch 71 of the side wall of the water inlet chamber 21 is connected with the space on the upper surface of the piston block 22. The rainwater will flow onto the heat sink fins through the second notch 71 of the side wall of the water inlet chamber 21, the first notch 70 of the side wall of the rain collecting trough 60, the rain collecting trough 60 and the water outlet 73, so as to flush the heat sink fins and accelerate the heat dissipation speed of the heat sink fins, thereby minimizing the negative impact of slowing down the heat dissipation speed when the heat dissipation holes are blocked.

[0031] By setting the water leakage hole 100, the hose 102 and the water outlet hole 101, when the rain stops, since the rainwater in the water inlet chamber 21 no longer increases, the piston block 22 can be reset to the bottom surface and the top wall of the second notch 71 on the side wall of the water inlet chamber 21 is at the same horizontal plane. Even if the water on the upper surface of the piston block 22 can no longer flow into the second notch 71 on the side wall of the water inlet chamber 21, the rainwater can slowly leak out through the water leakage hole 100, the hose 102 and the water outlet hole 101, allowing the reset spring 23 to reset the piston block 22 upward to the initial position as the gravity of the rainwater on the upper surface of the piston block 22 continues to decrease, so that the heat dissipation hole can be unblocked again for ventilation.

[0032] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0033] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0035] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A photovoltaic power generation inverter for fishery-photovoltaic complementation, characterized in that: It includes an inverter body, a rain shield is fixedly arranged on the top of the inverter body, a plurality of rows of ventilation holes are arranged on the inverter body along the width direction, a protective device is arranged on the inverter body, and the protective device includes a power supply component, a transmission component and a protective component. When it rains, the power supply component will drive the transmission component, and the transmission component drives the protective component to block the plurality of rows of ventilation holes.

2. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 1, characterized in that: The power supply component includes a working shell arranged beside the rain shield, the top surface of the working shell is provided with a water inlet cavity, a piston block that can reciprocate in a sealed manner is provided in the water inlet cavity, and a return spring is fixedly provided between the piston block and the bottom of the water inlet cavity.

3. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 2, characterized in that: The transmission assembly includes a transmission groove arranged at the bottom of the water inlet chamber, a transmission block that can reciprocate in a sealed manner is arranged in the transmission groove, the transmission block is fixedly connected to the piston block, a first inclined block is fixedly arranged at the lower end of the transmission block, a mounting plate is fixedly arranged on the side of the inverter body, a reciprocating rack is arranged on the mounting plate, and a second inclined block is fixedly arranged at one end of the rack close to the first inclined block.

4. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 3, characterized in that: The protective assembly includes a plurality of protective parts, and a protective part is arranged on one side of each row of ventilation holes. The protective parts include a first plate and a second plate fixedly arranged on the side of the inverter body, a rotating rod is rotatably arranged on the second plate, the other end of the rotating rod can rotatably pass through the first plate and is fixedly arranged with a gear, the gear is meshed with the rack, a rotating plate is fixedly arranged on the rotating rod, and a sealing rubber plate is fixedly arranged on the side of the rotating plate close to the ventilation hole.

5. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 1, characterized in that: A plurality of heat dissipation fins are fixedly arranged on the side of the inverter body, a rain collecting trough is fixedly arranged on the side of the inverter body, the rain collecting trough is located below the rain shield, a notch is provided on the side wall of the rain collecting trough and is connected with the notch on the side wall of the water inlet cavity, a plurality of water outlets are provided on the bottom wall of the rain collecting trough, and each water outlet faces the heat dissipation fins.

6. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 5, characterized in that: The heat dissipation fins are made of titanium alloy.

7. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 5, characterized in that: A rain shielding inclined plate is fixedly arranged on the side of the inverter body, and the rain shielding inclined plate is located between the water outlet and the heat dissipation fins.

8. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 4, characterized in that: The mounting plate is provided with a trapezoidal slide groove, and the rack is fixedly provided with a trapezoidal block which can reciprocate in the trapezoidal slide groove.

9. The photovoltaic power generation inverter for fishery-photovoltaic complementarity according to claim 2, characterized in that: A small water leakage hole is arranged in the middle of the piston block, a small water outlet hole is arranged at the bottom of the water inlet cavity, and a hose is arranged in communication between the small water leakage hole and the small water outlet hole.

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