Intelligent multifunctional photovoltaic inverter structure

Abstract

The application relates to the technical field of inverters, in particular to an intelligent multifunctional photovoltaic inverter structure, which comprises an inverter main body and further comprises: a plurality of main air inlets arranged on one side of the inverter main body, and a plurality of auxiliary air inlets arranged on the other side of the inverter main body; and an air extraction assembly arranged in the inverter main body and communicated with the main air inlets and the auxiliary air inlets. The device is provided with a plurality of small-diameter air outlets distributed around the auxiliary air inlets, so that when the air outlets send air, the wind speed is fast and a wind curtain is formed at the auxiliary air inlets, thereby greatly avoiding the suction of dust. In the process of increasing the wind speed, the driving element gradually increases the auxiliary air inlets while reducing the main air inlets, so that the device can distribute the air inlet amount according to the wind speed, thereby normally taking in air through the main air inlets for heat dissipation when there is no wind in the environment of the device, so as to avoid the problem of high temperature of the air inlet of the auxiliary air inlets.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of inverters, in particular to an intelligent multifunctional photovoltaic inverter structure. BACKGROUND

[0002] A photovoltaic inverter is a kind of key equipment, and its function is to convert the variable direct-current voltage output by a photovoltaic solar panel into alternating current in line with the frequency of commercial power supply, so as to realize feedback to a commercial power supply system or power supply for an off-grid power grid. Since a photovoltaic inverter will generate a high internal temperature during operation, it is necessary to be equipped with an effective heat dissipation device and a carefully designed heat dissipation structure to ensure stable operation. Usually, a heat dissipation fan combined with a heat dissipation hole is a common heat dissipation solution. However, for a photovoltaic inverter installed outdoors, this design has a potential problem: the heat dissipation hole, while promoting air circulation, can also become a channel for dust to enter the interior of the inverter. Especially in strong wind weather, the dust content in outdoor air increases sharply, accelerating the accumulation of dust in the interior of the inverter, and thus increasing the risk of equipment failure. Therefore, the application provides an intelligent multifunctional photovoltaic inverter structure. SUMMARY

[0003] To solve the above technical problems, the application provides an intelligent multifunctional photovoltaic inverter structure, which comprises an inverter main body and further comprises:

[0004] A plurality of main air inlets are arranged on one side of the inverter main body, and a plurality of auxiliary air inlets are arranged on the other side of the inverter main body;

[0005] An air extraction assembly is arranged in the inverter main body and is in communication with the main air inlets and the auxiliary air inlets;

[0006] A plurality of air outlets are arranged on one side of the inverter main body and surround the auxiliary air inlets, and are used to form an air curtain around the auxiliary air inlets to prevent dust from entering the auxiliary air inlets when air is discharged;

[0007] An air inlet adjusting assembly is arranged in the inverter main body and is used to adjust the sizes of the main air inlets and the auxiliary air inlets;

[0008] A wind speed monitoring assembly is arranged on the inverter main body and is connected with the air inlet adjusting assembly, and is used to gradually close the main air inlets and gradually open the auxiliary air inlets as the wind speed gradually increases.

[0009] In some embodiments, the air extraction assembly comprises a communication pipe connected to one side of the inverter main body, and a heat dissipation fan is arranged in the communication pipe;

[0010] And the main air inlet is arranged on the rectangular box one, and the rectangular box one is in conductive connection with the communication pipe.

[0011] The air outlet is arranged on the rectangular box two.

[0012] In some embodiments, the air outlet is designed with a smaller diameter than the secondary air inlet.

[0013] In some embodiments, the air inlet adjusting assembly comprises a fixed circular plate fixedly connected to the end of the main air inlet, a plurality of sector grooves are uniformly and equidistantly arranged on the fixed circular plate, a shaft one is rotatably connected to the fixed circular plate, a rotating circular plate is fixedly connected to the shaft one, and sector grooves are also arranged on the rotating circular plate.

[0014] A swing plate is fixedly connected to one end of the shaft one, and a shaft two is fixedly connected to one end of the swing plate.

[0015] The end of the air inlet pipe is also fixedly connected with a fixed circular plate, a plurality of sector grooves are also uniformly and equidistantly arranged on the fixed circular plate, a shaft one is also rotatably connected to the fixed circular plate, a rotating circular plate is also fixedly connected to the shaft one, and sector grooves are also arranged on the rotating circular plate.

[0016] A swing plate is also fixedly connected to one end of the shaft one, a shaft two is also fixedly connected to one end of the swing plate, and a connecting rod one is also rotatably connected between a plurality of shaft twos.

[0017] In some embodiments, the driving member comprises an electric push rod fixedly connected in the rectangular box one, and a connecting rod two is rotatably connected between the extending end of the electric push rod and the connecting rod one in the rectangular box one through a rotating shaft.

[0018] An electric push rod is also fixedly connected in the rectangular box three, and a connecting rod two is rotatably connected between the extending end of the electric push rod and the connecting rod one in the rectangular box three through a rotating shaft.

[0019] In some embodiments, the wind speed monitoring assembly comprises a wind speed sensor installed on the inverter body, and the wind speed sensor is electrically connected with the controller of the electric push rod.

[0020] In some embodiments, the wind speed monitoring assembly comprises a U-shaped frame fixedly connected to the inverter body, a shaft three rotatably connected to the U-shaped frame, and a plurality of wind cups fixedly connected to one end of the shaft three at equal intervals.

[0021] In some embodiments, the driving member comprises a guide rod fixedly connected to the connecting rod one, a sliding block slidably connected to the guide rod, a push rod fixedly connected to one end of the sliding block, and a transmission member arranged between the push rod and the shaft three, wherein the transmission member drives the push rod to move when the rotation speed of the shaft three changes.

[0022] In some embodiments, the transmission member comprises a lever rotatably connected to the inverter body through a rotating shaft, a sliding groove formed at both ends of the lever, and a sliding column fixedly connected to one end of the push rod and located in the sliding groove.

[0023] In some embodiments, the U-shaped frame is rotatably connected to a hollow shaft four, one end of the hollow shaft four is fixedly connected to a gear disc one, one end of the shaft three is fixedly connected to a gear disc two engaged with the gear disc one, two pendulums are symmetrically rotatably connected to the hollow shaft four through a rotating shaft, one end of each of the two pendulums is fixedly connected to a counterweight, a cylinder is slidably connected to the hollow shaft four, mounting plates are fixedly connected to both sides of the cylinder, a guide groove is formed in the hollow shaft four, and one end of each of the mounting plates slides through the guide groove.

[0024] The mounting plates and the pendulums are rotatably connected through a connecting rod three, a shaft five is rotatably connected to the cylinder, one end of the shaft five penetrates out of the hollow shaft four and is fixedly connected to a rectangular plate, one end of the rectangular plate is also fixedly connected to a sliding column, and one end of the sliding column is located in the sliding groove and slidably connected to the inner wall thereof.

[0025] In some embodiments, the gear disc one has a smaller diameter than the gear disc two.

[0026] The present application has at least the following advantages:

[0027] 1. The device is designed with a plurality of small-diameter air outlets distributed around the auxiliary air inlet, so that the air outlet can send air at a high speed and form a wind curtain at the auxiliary air inlet, thereby greatly avoiding the suction of dust.

[0028] 2. During the process of increasing the wind speed, the driving member gradually increases the auxiliary air inlet while reducing the main air inlet, so that the device can distribute the air intake according to the wind speed, thereby avoiding the problem of high temperature of the auxiliary air inlet when there is no wind in the environment where the device is located. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 FIG. 1 is a schematic diagram of the overall structure of Embodiment 1 of the present application;

[0030] Figure 2 For the invention Figure 1 Schematic diagram of partial structure;

[0031] Figure 3 For the invention Figure 2 Schematic diagram of partial structure;

[0032] Figure 4 For the invention Figure 3 Schematic diagram of partial structure;

[0033] Figure 5 For the inventionSchematic diagram of structure of embodiment 2;

[0034] Figure 6 For the invention Figure 5 Schematic diagram of another orientation structure;

[0035] Figure 7 For the inventionSchematic diagram of structure in A area; Figure 6

[0036] Figure 8 For the inventionSchematic diagram of partial structure; Figure 6

[0037] Figure 9 For the inventionSchematic diagram of structure in B area; Figure 8

[0038] Figure 10 For the invention Schematic diagram of partial structure. Figure 8

[0039] In the figure: 1 - main body of inverter; 2 - main air inlet; 3 - auxiliary air inlet; 4 - air extraction assembly; 5 - air outlet; 6 - air inlet adjusting assembly; 7 - air speed monitoring assembly; 41 - connecting pipe; 42 - heat dissipation fan; 43 - rectangular box one; 44 - rectangular box two; 45 - air inlet pipe; 46 - rectangular box three; 47 - ventilation pipe; 48 - fixed circular plate; 49 - fan-shaped groove; 51 - shaft one; 52 - rotating circular plate; 53 - swing plate; 54 - shaft two; 55 - connecting rod one; 56 - driving member; 57 - electric push rod; 58 - air speed sensor; 59 - U-shaped frame; 61 - shaft three; 62 - wind cup; 63 - guide rod; 64 - sliding block; 65 - push rod; 66 - transmission member; 67 - lever; 68 - sliding groove; 69 - sliding column; 71 - hollow shaft four; 72 - toothed disc one; 73 - toothed disc two; 74 - swing lever; 75 - counterweight; 76 - cylinder; 77 - mounting plate; 78 - guide groove; 79 - connecting rod three; 81 - shaft five; 82 - rectangular plate; 83 - connecting rod two. DETAILED DESCRIPTION

[0040] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0041] Embodiment 1: see Figures 1-4 The present application provides a technical solution: a smart multifunctional photovoltaic inverter structure, comprising an inverter main body 1, further comprising:

[0042] A plurality of main air inlets 2 are arranged on one side of the inverter main body 1, and a plurality of auxiliary air inlets 3 are arranged on the other side of the inverter main body 1;

[0043] An air extraction assembly 4 is arranged in the inverter main body 1 and is in communication with the main air inlets 2 and the auxiliary air inlets 3;

[0044] A plurality of air outlets 5 are arranged on one side of the inverter main body 1 and surround the auxiliary air inlets 3, and are used to form a wind curtain around the auxiliary air inlets 3 to prevent dust from entering the auxiliary air inlets 3 when air is discharged;

[0045] An air inlet adjusting assembly 6 is arranged in the inverter main body 1 and is used to adjust the size of the main air inlets 2 and the auxiliary air inlets 3;

[0046] A wind speed monitoring assembly 7 is arranged on the inverter main body 1 and is connected with the air inlet adjusting assembly 6, and is used to gradually close the main air inlets 2 and gradually open the auxiliary air inlets 3 by using the air inlet adjusting assembly 6 when the wind speed gradually increases;

[0047] Specifically, the device is designed with the auxiliary air inlets 3 and a plurality of air outlets 5 with small diameters distributed around the auxiliary air inlets 3, so that when the air outlets 5 discharge air, the wind speed is fast and a wind curtain can be formed at the auxiliary air inlets 3, thereby greatly avoiding the suction of dust. At the same time, in the process of increasing the wind speed, the driving part 56 is used to gradually increase the auxiliary air inlets 3 while reducing the main air inlets 2, so that the device can distribute the air inlet amount according to the wind speed, thereby avoiding the problem of high temperature of the air inlet of the auxiliary air inlets 3 when there is no wind in the environment where the device is located.

[0048] The air extraction assembly 4 comprises a communication pipe 41 connected in communication on one side of the inverter main body 1, and a cooling fan 42 is installed in the communication pipe 41, and the cooling fan 42 is started to suck external air into the inverter main body 1;

[0049] And the rectangular box one 43 is fixedly connected on the inverter body 1 side, the main air inlet 2 is evenly opened on the rectangular box one 43, and the rectangular box one 43 is in conductive connection with the communication pipe 41, the rectangular box two 44 is in conductive connection with the other side of the inverter body 1, the auxiliary air inlet 3 is evenly opened on the rectangular box two 44, the auxiliary air inlet 3 is fixedly connected with the air inlet pipe 45, and one end of the air inlet pipe 45 is in conductive connection with the rectangular box three 46, the rectangular box three 46 is located in the rectangular box two 44, and the rectangular box three 46 and the rectangular box one 43 are in conductive connection with the ventilation pipe 47, and specifically, the air entering from the auxiliary air inlet 3 will pass through the air inlet pipe 45, the rectangular box three 46 and the ventilation pipe 47 into the rectangular box one 43 in sequence.

[0050] The air outlet 5 is opened on the rectangular box two 44.

[0051] The air outlet 5 adopts a design that the diameter is smaller than that of the auxiliary air inlet 3, so that the gas flow rate discharged from the air outlet 5 is large, so that an air curtain is formed around the auxiliary air inlet 3, at this time, the dust in the air is isolated and taken away, so that the dust content taken in by the auxiliary air inlet 3 is greatly reduced.

[0052] The air inlet adjusting assembly 6 comprises a fixed circular plate 48 fixedly connected to the end of the main air inlet 2, a plurality of sector grooves 49 are evenly opened on the fixed circular plate 48, the fixed circular plate 48 is rotatably connected with a shaft one 51 through a bearing, the shaft one 51 is fixedly connected with a rotating circular plate 52, the rotating circular plate 52 is also provided with the sector groove 49, and the rotating circular plate 52 is rotated to block the main air inlet 2.

[0053] And the swing plate 53 is fixedly connected to one end of the shaft one 51, one end of the swing plate 53 is fixedly connected with the shaft two 54, a plurality of shaft twos 54 are rotatably connected with a connecting rod one 55 between them, the connecting rod one 55 is moved to drive a plurality of swing plates 53 to deflect, and in turn drive a plurality of rotating circular plates 52 to rotate.

[0054] The end of the air inlet pipe 45 is also fixedly connected with the fixed circular plate 48, a plurality of sector grooves 49 are also evenly opened on the fixed circular plate 48, the fixed circular plate 48 is also rotatably connected with the shaft one 51, the shaft one 51 is also fixedly connected with the rotating circular plate 52, and the rotating circular plate 52 is also provided with the sector groove 49, and the rotating circular plate 52 is rotated to block the main air inlet 2.

[0055] And the swing plate 53 is also fixedly connected to one end of the shaft one 51, one end of the swing plate 53 is also fixedly connected with the shaft two 54, a plurality of shaft twos 54 are rotatably connected with the connecting rod one 55 between them, the connecting rod one 55 is moved to drive a plurality of rotating circular plates 52 to rotate, and the inverter body 1 is provided with a driving part 56 for driving the connecting rod one 55 to move.

[0056] The driving member 56 comprises an electric push rod 57 fixedly connected in the rectangular box 1, and a connecting rod 2 83 is rotationally connected between the extending end of the electric push rod 57 and the connecting rod 1 55 in the rectangular box 1 through a rotating shaft.

[0057] The electric push rod 57 is also fixedly connected in the rectangular box 3 46, and a connecting rod 2 83 is rotationally connected between the extending end of the electric push rod 57 and the connecting rod 1 55 in the rectangular box 3 46 through a rotating shaft.

[0058] The wind speed monitoring assembly 7 comprises a wind speed sensor 58 mounted on the inverter main body 1, and the wind speed sensor 58 is electrically connected with the controller of the electric push rod 57.

[0059] Specifically, when there is no wind or the wind is small in the external environment of the device, the dust particles in the environment are also relatively stable, so that the dust content in the air is low, at this time, the wind speed sensor 58 does not rotate, and the main air inlet 2 of the device is in a fully open state, and the auxiliary air inlet 3 is in a fully sealed state, so that the device main body can normally perform heat dissipation operation, and a small amount of dust will not be sucked in, on the contrary, when the wind is large, the dust content in the air is also high, at this time, the wind speed sensor 58 rotates, and then the electric push rod 57 is controlled to work through the program, to gradually close the main air inlet 2 and gradually open the auxiliary air inlet 3, so as to effectively avoid the dust from being sucked in by using the wind curtain effect of the air outlet 5, and the design of distributing the air inlet according to the wind speed is to reduce the air entering the device main body from the auxiliary air inlet 3 as much as possible, because the auxiliary air inlet 3 is close to the air outlet 5, so the gas sucked by the auxiliary air inlet 3 may be heated by the gas flowing out of the air outlet 5, thereby affecting the heat dissipation efficiency of the device.

[0060] Embodiment 2: please refer to Figures 1-10 The present application provides a technical solution: embodiment 2 is another specific embodiment of the driving member 56 and the wind speed monitoring assembly 7 in embodiment 1.

[0061] The wind speed monitoring assembly 7 comprises a U-shaped frame 59 fixedly connected on the inverter main body 1, a shaft 3 61 is rotationally connected on the U-shaped frame 59 through a bearing, and a plurality of wind cups 62 are fixedly connected on one end of the shaft 3 61 at equal intervals, when the wind blows to the wind cups 62, the shaft 3 61 will be rotated, and the greater the wind, the faster the shaft 3 61 rotates.

[0062] The driving member 56 comprises a guide rod 63 fixedly connected on the connecting rod 1 55, a sliding block 64 is slidably connected on the guide rod 63, a push rod 65 is fixedly connected on one end of the sliding block 64, the push rod 65 is slidably connected with the rectangular box 1 43, the rectangular box 2 44 and the rectangular box 3 46, and a transmission member 66 is arranged between the push rod 65 and the shaft 3 61, when the rotating speed of the shaft 3 61 changes, the push rod 65 will be driven to move by the transmission member 66.

[0063] The transmission member 66 comprises a lever 67 rotatably connected to the inverter main body 1 through a rotating shaft, and a sliding slot 68 is formed at both ends of the lever 67; one end of the push rod 65 is fixedly connected with a sliding column 69 located in the sliding slot 68, and the sliding column 69 is slidably connected with the inner wall of the sliding slot 68;

[0064] The hollow shaft four 71 is rotatably connected to the U-shaped frame 59 through a bearing, one end of the hollow shaft four 71 is fixedly connected with a gear disc one 72, one end of the shaft three 61 is fixedly connected with a gear disc two 73 engaged with the gear disc one 72, two swing rods 74 are symmetrically rotatably connected to the hollow shaft four 71 through rotating shafts, one end of each of the two swing rods 74 is fixedly connected with a counterweight 75, a cylindrical column 76 is slidably connected in the hollow shaft four 71, the mounting plates 77 are fixedly connected to both sides of the cylindrical column 76, and a guide slot 78 is formed in the hollow shaft four 71, and one end of each of the mounting plates 77 slides through the guide slot 78;

[0065] A connecting rod three 79 is rotatably connected between the mounting plates 77 and the swing rods 74 through a rotating shaft, and a shaft five 81 is rotatably connected to the cylindrical column 76, one end of the shaft five 81 penetrates out of the hollow shaft four 71 and is fixedly connected with a rectangular plate 82, one end of the rectangular plate 82 is also fixedly connected with the sliding column 69, and one end of the sliding column 69 is located in the sliding slot 68 and slidably connected with the inner wall thereof;

[0066] Specifically, when the wind speed is large, the wind cup 62 will be blown to rotate rapidly, thereby driving the shaft three 61 and the gear disc two 73 to rotate, so as to drive the gear disc one 72, the hollow shaft four 71 and the swing rod 74 to rotate, and then utilize the centrifugal force of the counterweight 75 to drive the connecting rod three 79 to move, thereby driving the sliding column 69, the shaft five 81 and the rectangular plate 82 to move, so as to drive the lever 67 to deflect, and then drive the push rod 65 and the connecting rod one 55 to move, thereby driving the swing plate 53 to deflect, so as to drive the rotating circular plate 52 to rotate, so as to block the main air inlet 2 while opening the auxiliary air inlet 3.

[0067] The gear disc one 72 is designed to have a smaller diameter than the gear disc two 73, so that when the shaft three 61 rotates, the shaft four can rotate at a speed greater than that of the shaft three 61, thereby improving the response speed of the device.

[0068] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A smart multifunctional photovoltaic inverter structure comprising an inverter body (1), characterized by: Also include: A plurality of main air inlet (2), set inverter main body (1) side, and the inverter main body (1) the other side is provided with a plurality of secondary air inlet (3); Exhaust component (4), set in inverter main body (1) and with main air inlet (2) and secondary air inlet (3) conduction; Multiple air outlet (5), set in inverter main body (1) one side, and around the secondary air inlet (3) around, for in the air in the secondary air inlet (3) around the formation of wind curtain to prevent dust into the secondary air inlet (3), air outlet (5) with a diameter less than the design of the secondary air inlet (3); Air inlet adjusting assembly (6), set in inverter main body (1), for adjusting the size of main air inlet (2) and secondary air inlet (3); The wind speed monitoring assembly (7) is arranged on the inverter main body (1) and connected with the air inlet adjusting assembly (6), which is used for gradually closing the main air inlet (2) and gradually opening the secondary air inlet (3) when the wind speed gradually increases.

2. The intelligent multi-functional photovoltaic inverter structure according to claim 1, characterized in that: The said exhaust component (4) includes the through connection in the inverter main body (1) side of the communication pipe (41), the said communication pipe (41) is installed with the heat dissipation fan (42); And in the inverter main body (1) side fixedly connected with the rectangular box one (43), the main air inlet (2) is opened in the rectangular box one (43), and the rectangular box one (43) is in communication with the communication pipe (41), the other side of the inverter main body (1) is in communication with the rectangular box two (44), the secondary air inlet (3) is opened in the rectangular box two (44), the secondary air inlet (3) is fixedly connected with the air inlet pipe (45), and one end of the air inlet pipe (45) is in communication with the rectangular box three (46), the rectangular box three (46) and the rectangular box one (43) are in communication with the ventilation pipe (47); The said air outlet (5) is opened in the rectangular box two (44).

3. The intelligent multi-functional photovoltaic inverter structure according to claim 2, characterized in that: The said air inlet adjusting assembly (6) includes a fixed circular plate (48) fixedly connected to the end of the main air inlet (2), a plurality of sector grooves (49) are uniformly and equidistantly formed on the fixed circular plate (48), a shaft one (51) is rotatably connected to the fixed circular plate (48), a rotating circular plate (52) is fixedly connected to the shaft one (51), sector grooves (49) are also formed on the rotating circular plate (52), and the rotating circular plate (52) is rotated to block the main air inlet (2); And the shaft one (51) is fixedly connected with the swing plate (53), the swing plate (53) is fixedly connected with the shaft two (54), the connecting rod one (55) is rotatably connected between a plurality of shaft two (54), and the connecting rod one (55) is moved to drive a plurality of rotating circular plates (52) to rotate; The end of the air inlet pipe (45) is also fixedly connected with a fixed circular plate (48), a plurality of sector grooves (49) are also uniformly and equidistantly formed on the fixed circular plate (48), a shaft one (51) is also rotatably connected to the fixed circular plate (48), a rotating circular plate (52) is also fixedly connected to the shaft one (51), sector grooves (49) are also formed on the rotating circular plate (52), and the rotating circular plate (52) is rotated to block the main air inlet (2); And one end of the shaft one (51) is also fixedly connected with a swing plate (53), one end of the swing plate (53) is also fixedly connected with a shaft two (54), a plurality of shaft two (54) are also rotatably connected with a connecting rod one (55), the connecting rod one (55) is moved to drive a plurality of rotating circular plates (52) to rotate, and the inverter main body (1) is provided with a driving piece (56) for driving the connecting rod one (55) to move.

4. The intelligent multi-functional photovoltaic inverter structure according to claim 3, characterized in that: The driving piece (56) includes an electric push rod (57) fixedly connected in the rectangular box one (43), and a connecting rod two (83) is rotatably connected between the protruding end of the electric push rod (57) and the connecting rod one (55) in the rectangular box one (43). The rectangular box three (46) is also fixedly connected with an electric push rod (57), and a connecting rod two (83) is rotatably connected between the protruding end of the electric push rod (57) and the connecting rod one (55) in the rectangular box three (46).

5. The intelligent multi-functional photovoltaic inverter structure according to claim 4, characterized in that: The wind speed monitoring assembly (7) includes a wind speed sensor (58) mounted on the inverter main body (1), and the wind speed sensor (58) is electrically connected with the controller of the electric push rod (57).

6. The intelligent multi-functional photovoltaic inverter structure according to claim 3, wherein: The wind speed monitoring assembly (7) includes a U-shaped frame (59) fixedly connected on the inverter main body (1), a shaft three (61) is rotatably connected on the U-shaped frame (59), and a plurality of wind cups (62) are uniformly fixedly connected at equal intervals on one end of the shaft three (61).

7. The intelligent multi-functional photovoltaic inverter structure according to claim 6, characterized in that: The driving piece (56) includes a guide rod (63) fixedly connected on the connecting rod one (55), a sliding block (64) is slidably connected on the guide rod (63), one end of the sliding block (64) is fixedly connected with a push rod (65), and a transmission member (66) is arranged between the push rod (65) and the shaft three (61), so that when the rotating speed of the shaft three (61) changes, the push rod (65) is driven to move by the transmission member (66).

8. The intelligent multi-functional photovoltaic inverter structure according to claim 7, characterized in that: The transmission member (66) includes a lever (67) rotatably connected on the inverter main body (1) through a rotating shaft, sliding grooves (68) are formed at both ends of the lever (67), and one end of the push rod (65) is fixedly connected with a sliding column (69) located in the sliding groove (68). And a hollow shaft four (71) is rotatably connected on the U-shaped frame (59), a gear disc one (72) is fixedly connected on one end of the hollow shaft four (71), a gear disc two (73) engaged with the gear disc one (72) is fixedly connected on one end of the shaft three (61), two swing rods (74) are symmetrically rotatably connected on the hollow shaft four (71) through rotating shafts, counterweight blocks (75) are fixedly connected on one end of the two swing rods (74), a cylindrical column (76) is slidably connected in the hollow shaft four (71), mounting plates (77) are fixedly connected on both sides of the cylindrical column (76), a guide groove (78) is formed in the hollow shaft four (71), and one end of the mounting plate (77) slides through the guide groove (78). The connecting rod three (79) is rotatably connected between the mounting plate (77) and the swing bar (74) through a rotating shaft, and the shaft five (81) is rotatably connected on the cylinder (76), one end of the shaft five (81) penetrates through the hollow shaft four (71) and is fixedly connected with the rectangular plate (82), one end of the rectangular plate (82) is also fixedly connected with the slide column (69), one end of the slide column (69) is located in the sliding groove (68) and is in sliding connection with the inner wall thereof.

9. The intelligent multi-functional photovoltaic inverter structure according to claim 8, characterized in that: The gear disc one (72) is designed with a smaller diameter than the gear disc two (73).

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