Photovoltaic grid-connected power generation equipment

Abstract

The invention discloses photovoltaic grid-connected power generation equipment, which comprises a fixed chassis, a mounting disc is mounted on the fixed chassis through a supporting rod; the driving part is fixedly mounted in the center of the fixed chassis; the gear transmission part is in transmission connection with the driving part; the rotary height adjusting part is fixedly mounted on the top surface of the mounting disc, and a connecting block is further mounted on the rotary height adjusting part; and a photovoltaic panel is mounted on the connecting block. The driving part drives gears in the gear transmission part to be meshed, then a rotating cylinder in the rotating height adjusting part rotates, and while the rotating cylinder rotates, a transmission shaft arranged in the rotating cylinder slides and rotates in a double-thread groove of a height adjusting cylinder; further, the height adjusting cylinder is pushed to telescopically slide in the rotating cylinder, so that height adjustment and angle adjustment of the photovoltaic panel are realized; the device is low in cost and high in practicability, and the effect of adjusting the orientation of the photovoltaic power generation panel can be achieved more conveniently.

Description

Technical Field

[0001] The invention belongs to the technical field of photovoltaic power generation, and in particular relates to a photovoltaic grid-connected power generation device. Background Art

[0002] Photovoltaic is the abbreviation of solar photovoltaic power generation system. It is a new power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy. It has two modes of operation: independent operation and grid-connected operation. Solar energy is a renewable resource. There are many solar energy products currently, among which photovoltaic grid-connected power generation equipment is one of them.

[0003] Current photovoltaic grid-connected power generation equipment can only rotate around a stable axis when changing the direction of photovoltaic solar panels according to changes in the angle of direct sunlight. Its adjustment effect is poor, resulting in low light energy conversion efficiency.

[0004] Therefore, there is an urgent need to design a photovoltaic grid-connected power generation device that can change the height of the photovoltaic solar panel while changing the direction of the photovoltaic solar panel. Summary of the invention

[0005] The purpose of the present invention is to provide a photovoltaic grid-connected power generation device to solve the above problems.

[0006] To achieve the above object, the present invention provides the following solutions: A photovoltaic grid-connected power generation device, comprising: A fixed chassis; a mounting plate is mounted on the fixed chassis via a support rod; A driving unit, the driving unit is fixedly mounted at the center of the fixed chassis; A gear transmission part, the gear transmission part is in transmission connection with the driving part; the gear transmission part is placed above the mounting plate; A rotating height adjustment part, the rotating height adjustment part is fixedly mounted on the top surface of the mounting plate, the rotating height adjustment part comprises a mounting frame, two support arms are fixedly mounted on the middle of the two side walls of the mounting frame; mounting shafts are mounted on the two support arms; the mounting shaft is fixedly connected to the gear transmission part; a wheel disc and a rotating cylinder are mounted on the mounting shaft; a height adjustment cylinder is slidably arranged in the rotating cylinder; the height adjustment cylinder is slidably connected to a transmission shaft arranged in the rotating cylinder; a first bevel gear is fixedly mounted on one end of the transmission shaft; the first bevel gear is meshed with the gear teeth on the wheel disc; A connecting block is fixedly mounted on the end of the rotating drum; a photovoltaic panel is also mounted on the connecting block.

[0007] A rotating arm is arranged on the inner side of the two supporting arms; one end of the two rotating arms is rotatably mounted on the mounting shaft, and the other end of the two rotating arms is fixedly mounted on the outer wall of the rotating cylinder; an assembly protrusion is formed on the inner wall of the rotating cylinder; an assembly groove corresponding to the assembly protrusion is opened inwardly on the outer wall of the height adjustment cylinder.

[0008] A sliding rod is installed at the other end of the transmission shaft; a double thread groove is opened on the peripheral wall of the height adjustment cylinder; and both ends of the sliding rod are respectively slidably arranged in the double thread groove.

[0009] The opening on one side of the rotating cylinder shrinks inwardly and the first bevel gear is fixedly installed thereon.

[0010] The wheel disc is placed in the two support arms and is arranged close to one of the rotating arms. The wheel teeth are formed on one side edge of the wheel disc facing the other rotating arm.

[0011] The transmission part comprises a motor housing; a plurality of heat dissipation holes are provided on the motor housing, the motor is fixedly installed in the motor housing, and the output end of the motor is fixedly connected to the gear transmission part through a coupling; the motor housing is fixedly installed on the fixed chassis.

[0012] The gear transmission part includes a gear shaft; the coupling is installed at one end of the gear shaft, and the second bevel gear is installed at the other end of the gear shaft; the second bevel gear is meshed with the third bevel gear, and the third bevel gear is fixedly installed on the end of the mounting shaft; a protective cover is also fixedly installed on the mounting plate; the second bevel gear and the third bevel gear are placed in the protective cover, and one end of the protective cover is fixedly connected to one side of the mounting frame.

[0013] The support rods are provided in three numbers and are installed on the top surface of the fixed chassis at equal intervals.

[0014] Compared with the prior art, the present invention has the following advantages and technical effects: the present application drives the gears in the gear transmission part to mesh through the driving part, thereby causing the rotating cylinder in the rotating height adjustment part to rotate. While the rotating cylinder rotates, the transmission shaft arranged inside it slides and rotates in the double thread groove of the height adjustment cylinder; thereby pushing the height adjustment cylinder to telescope and slide in the rotating cylinder, thereby realizing the height adjustment and angle adjustment of the photovoltaic panel; the present application has low cost and strong practicality, and can more conveniently achieve the effect of adjusting the direction of the photovoltaic panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor: Figure 1 It is a schematic diagram of the overall structure; Figure 2 It is a top view of the overall structure; Figure 3 This is a schematic diagram of the height adjustment tube structure; Among them, 1. Fixed chassis; 2. Support rod; 3. Mounting plate; 4. Rotating cylinder; 5. Height adjustment cylinder; 6. Connecting block; 7. Photovoltaic panel; 11. Motor housing; 12. Motor; 13. Coupling; 21. Gear shaft; 22. Third bevel gear; 23. Second bevel gear; 24. Protective cover; 31. Mounting frame; 32. Support arm; 33. Mounting shaft; 34. Wheel; 35. Rotating arm; 41. Transmission shaft; 42. First bevel gear; 43. Assembly protrusion; 44. Sliding rod; 51. Assembly groove; 52. Double thread groove. Implementation

[0016] The following will be combined with the 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] A photovoltaic grid-connected power generation device, comprising: A fixed chassis 1; a mounting plate 3 is mounted on the fixed chassis 1 via a support rod 2; A driving unit, which is fixedly mounted at the center of the fixed chassis 1; The gear transmission part is connected to the driving part through transmission; the gear transmission part is placed above the mounting plate 3; The rotating height adjustment part is fixedly mounted on the top surface of the mounting plate 3, and the rotating height adjustment part includes a mounting frame 31, and two support arms 32 are fixedly mounted in the middle of the two side walls of the mounting frame 31; a mounting shaft 33 is mounted on the two support arms 32; the mounting shaft 33 is fixedly connected with the gear transmission part; a wheel disc 34 and a rotating cylinder 4 are mounted on the mounting shaft 33; a height adjustment cylinder 5 is slidably arranged in the rotating cylinder 4; the height adjustment cylinder 5 is slidably connected with a transmission shaft 41 arranged in the rotating cylinder 4; a first bevel gear 42 is fixedly mounted on one end of the transmission shaft 41; the first bevel gear 42 is meshed with the gear teeth on the wheel disc 34; The connecting block 6 is fixedly mounted on the end of the rotating drum 4 ; a photovoltaic panel 7 is also mounted on the connecting block 6 .

[0019] A rotating arm 35 is arranged on the inner side of the two supporting arms 32; one end of the two rotating arms 35 is rotatably mounted on the mounting shaft 33, and the other end of the two rotating arms 35 is fixedly mounted on the outer wall of the rotating cylinder 4; an assembly protrusion 43 is formed on the inner wall of the rotating cylinder 4; an assembly groove 51 corresponding to the assembly protrusion 43 is opened inwardly on the outer wall of the height adjustment cylinder 5.

[0020] A sliding rod 44 is installed at the other end of the transmission shaft 41 ; a double thread groove 52 is opened on the peripheral wall of the height adjustment tube 5 ; and both ends of the sliding rod 44 are slidably disposed in the double thread groove 52 .

[0021] An opening on one side of the rotating cylinder 4 is contracted inwardly and a first bevel gear 42 is fixedly mounted thereon.

[0022] The wheel disc 34 is disposed inside the two support arms 32 and close to one rotating arm 35 . Gear teeth are formed on an edge of one side of the wheel disc 34 facing the other rotating arm 35 .

[0023] The transmission part includes a motor housing 11 ; the motor housing 11 is provided with a plurality of heat dissipation holes, a motor 12 is fixedly installed in the motor housing 11 , and an output end of the motor 12 is fixedly connected to the gear transmission part through a coupling 13 ; the motor housing 11 is fixedly installed on the fixed chassis 1 .

[0024] The gear transmission part includes a gear shaft 21; a coupling 13 is installed at one end of the gear shaft 21, and a second bevel gear 23 is installed at the other end of the gear shaft 21; the second bevel gear 23 is meshed with the third bevel gear 22, and the third bevel gear 22 is fixedly installed at the end of the mounting shaft 33; a protective cover 24 is also fixedly installed on the mounting plate 3; the second bevel gear 23 and the third bevel gear 22 are placed in the protective cover 24, and one end of the protective cover 24 is fixedly connected to one side of the mounting frame 31.

[0025] Three support rods 2 are provided and are installed on the top surface of the fixed chassis 1 at equal intervals.

[0026] In one embodiment of the present invention, the support rod 2 is arranged to be inclined, and is inclined from the fixed chassis 1 toward the mounting plate 3 .

[0027] Furthermore, the area of ​​the mounting plate 3 is smaller than that of the fixed chassis 1 .

[0028] In one embodiment of the present invention, Figure 1-3 As shown, the motor 12 in the motor housing 11 drives the gear shaft 21 to rotate coaxially through the coupling 13; the second bevel gear 23 on the gear shaft 21 is meshed with the third bevel gear 22; the third bevel gear 22 is fixedly mounted on the end of the mounting shaft 33, and the mounting shaft 33 is horizontally arranged; the other end of the mounting shaft 33 is mounted in the support arm 32; Furthermore, the mounting shaft 33 rotates with the third bevel gear 22, and the wheel disc 34 on the mounting shaft 33 rotates with the mounting shaft 33, and the wheel disc 34 is meshed with the first bevel gear 42 at the end of the rotating cylinder 4; the rotation of the first bevel gear 42 drives the transmission shaft 41 to rotate; the sliding rod 44 at the end of the transmission shaft 41 slides and rotates in the double thread groove 52; and then the height adjustment cylinder 5 is pushed to telescopically slide in the rotating cylinder 4, and then the connecting block 6 at the end of the height adjustment cylinder 5 drives the photovoltaic panel 7 to realize displacement transformation.

[0029] Furthermore, as the first bevel gear 42 rotates around the wheel disc 34 , the rotating arm 35 performs a rotational motion around the mounting shaft 33 , thereby achieving an angle change of the photovoltaic panel 7 .

[0030] In one embodiment of the present invention, an assembly groove 51 corresponding to the assembly protrusion 43 is opened inwardly on the outer wall of the height adjustment tube 5, so that the height adjustment tube 5 and the rotating tube 4 are limited to prevent the height adjustment tube from rotating and deviating.

[0031] In one embodiment of the present invention, the gear shaft 21 passes through the mounting plate 3 and extends into the protective cover 24 .

[0032] In one embodiment of the present invention, the double thread groove 52 is two spiral groove bodies, and the starting points and end points of the two groove bodies are respectively arranged at the two ends of the height adjustment tube 5; the two ends of the sliding rod 44 are always slidably arranged at the same height of the two groove bodies.

[0033] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0034] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A photovoltaic grid-connected power generation device, characterized in that: include: A fixed chassis (1); a mounting plate (3) is mounted on the fixed chassis (1) via a support rod (2); A driving unit, the driving unit being fixedly mounted at the center of the fixed chassis (1); A gear transmission part, the gear transmission part being in transmission connection with the driving part; the gear transmission part being placed above the mounting plate (3); A rotating height adjustment portion, the rotating height adjustment portion is fixedly mounted on the top surface of the mounting plate (3), the rotating height adjustment portion comprises a mounting frame (31), two support arms (32) are fixedly mounted in the middle of the two side walls of the mounting frame (31); a mounting shaft (33) is mounted on the two support arms (32); the mounting shaft (33) is fixedly connected to the gear transmission portion; a wheel disc (34) and a rotating cylinder (4) are mounted on the mounting shaft (33); a height adjustment cylinder (5) is slidably arranged in the rotating cylinder (4); the height adjustment cylinder (5) is slidably connected to a transmission shaft (41) arranged in the rotating cylinder (4); a first bevel gear (42) is fixedly mounted on one end of the transmission shaft (41); the first bevel gear (42) meshes with the gear teeth on the wheel disc (34); A connecting block (6); the connecting block (6) is fixedly mounted on the end of the rotating drum (4); a photovoltaic panel (7) is also mounted on the connecting block (6).

2. A photovoltaic grid-connected power generation device according to claim 1, characterized in that: A rotating arm (35) is arranged inside the two supporting arms (32); one end of the two rotating arms (35) is rotatably mounted on the mounting shaft (33), and the other end of the two rotating arms (35) is fixedly mounted on the outer wall of the rotating cylinder (4); an assembly protrusion (43) is formed on the inner wall of the rotating cylinder (4); and an assembly groove (51) corresponding to the assembly protrusion (43) is opened inwardly on the outer wall of the height adjustment cylinder (5).

3. A photovoltaic grid-connected power generation device according to claim 2, characterized in that: A sliding rod (44) is installed at the other end of the transmission shaft (41); a double thread groove (52) is provided on the peripheral wall of the height adjustment cylinder (5); and both ends of the sliding rod (44) are respectively slidably disposed in the double thread groove (52).

4. The photovoltaic grid-connected power generation equipment according to claim 1, characterized in that: An opening on one side of the rotating cylinder (4) is contracted inwardly and the first bevel gear (42) is fixedly mounted thereon.

5. The photovoltaic grid-connected power generation equipment according to claim 2, characterized in that: The wheel disc (34) is placed inside the two support arms (32) and is arranged close to one of the rotating arms (35); the wheel teeth are formed on an edge of one side of the wheel disc (34) facing the other rotating arm (35).

6. The photovoltaic grid-connected power generation equipment according to claim 1, characterized in that: The transmission part comprises a motor housing (11); a plurality of heat dissipation holes are provided on the motor housing (11); the motor (12) is fixedly mounted in the motor housing (11); an output end of the motor (12) is fixedly connected to the gear transmission part via a coupling (13); and the motor housing (11) is fixedly mounted on the fixed chassis (1).

7. A photovoltaic grid-connected power generation device according to claim 6, characterized in that: The gear transmission part comprises a gear shaft (21); the coupling (13) is mounted on one end of the gear shaft (21), and a second bevel gear (23) is mounted on the other end of the gear shaft (21); the second bevel gear (23) is meshed with a third bevel gear (22), and the third bevel gear (22) is fixedly mounted on the end of the mounting shaft (33); a protective cover (24) is also fixedly mounted on the mounting plate (3); the second bevel gear (23) and the third bevel gear (22) are placed in the protective cover (24), and one end of the protective cover (24) is fixedly connected to one side of the mounting frame (31).

8. The photovoltaic grid-connected power generation equipment according to claim 1, characterized in that: Three support rods (2) are provided and are installed at equal intervals on the top surface of the fixed chassis (1).

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