A diesel generator device based on photovoltaic power generation

Abstract

The present invention discloses a diesel generator device based on photovoltaic power generation, including a diesel generator. A storage battery is provided inside the diesel generator. On both sides of the upper end of the housing, symmetrically distributed storage grooves are provided. A plurality of solar panels are provided in the storage grooves. In the storage grooves on both sides of the solar panels, symmetrically distributed scissor-type telescopic mechanisms for driving the plurality of solar panels to expand outwards are provided. The solar panels are rotatably arranged between the scissor-type telescopic mechanisms. A sealing plate for engaging and connecting and sealing the storage groove is provided at the outlet of the storage groove. The extension end of the scissor-type telescopic mechanism is connected to the sealing plate. Stacking the solar panels vertically in the storage groove realizes the hiding of the solar panels when not in use, without affecting the overall use. When in need of use, through the scissor-type telescopic mechanism, the solar panels can be expanded outwards for solar power generation and charging.

Description

Technical Field

[0001] The present invention relates to the technical field of diesel generators, and particularly to a diesel generator device based on photovoltaic power generation. Background Technique

[0002] Photovoltaic power generation is based on the principle of the photovoltaic effect, using solar cells to directly convert solar energy into electrical energy. Whether used independently or for grid-connected power generation, a photovoltaic power generation system mainly consists of three major parts: solar panels (modules), controllers, and inverters. They are mainly composed of electronic components and do not involve mechanical parts.

[0003] Therefore, photovoltaic power generation equipment is extremely refined, reliable, stable, long-lived, and easy to install and maintain. Theoretically, photovoltaic power generation technology can be used in any occasion where power is needed, from spacecraft to household power supplies, from megawatt-level power stations to toys, and photovoltaic power supplies can be everywhere.

[0004] A diesel generator is a small power generation device, which refers to a power machine that uses diesel and other fuels and uses a diesel engine as a prime mover to drive a generator to generate electricity. A complete set of units generally consists of components such as a diesel engine, a generator, a control box, a fuel tank, a starting and control storage battery, a protection device, and an emergency cabinet. A diesel generator is a combination of a diesel engine and a generator (usually an alternator) to generate electrical energy.

[0005] Existing diesel generators are all simple diesel generators. Especially for some diesel generators used outdoors, if only diesel is used for power generation, solar energy is easily wasted. With the maturity of photovoltaic power generation technology, in order to maximize the power generation efficiency, the applicant has developed a device that combines photovoltaic power generation and diesel power generation, can selectively use photovoltaic power generation, and uses photovoltaic power generation to achieve auxiliary power generation. Summary of the Invention

[0006] In order to solve the above problems, the purpose of the present invention is to provide a diesel generator device based on photovoltaic power generation.

[0007] To achieve the above object, the present invention provides the following technical solution: A diesel generator device based on photovoltaic power generation, including a diesel generator, a storage battery is provided inside the diesel generator, and a housing fixedly connected and used for sound insulation and noise reduction is provided outside the diesel generator. A heat dissipation hole is provided on one side of the housing, and a control panel for intelligent control is also provided on the housing. Symmetrically distributed storage grooves are provided on both sides of the upper end of the housing. A plurality of solar panels of the same size and evenly stacked are provided in the storage grooves. Scissor-type telescopic mechanisms symmetrically distributed and used to drive the plurality of solar panels to unfold outward are provided in the storage grooves on both sides of the solar panels. The solar panels are rotatably arranged between the scissor-type telescopic mechanisms, and the solar panels are electrically connected to the storage battery inside the diesel generator. A sealing plate for sealing the storage groove is provided at the outlet of the storage groove and is snap-fitted, and the extension end of the scissor-type telescopic mechanism is connected to the sealing plate.

[0008] Preferably, the scissor-type telescopic mechanism includes a first rod and a second rod. Both the first rod and the second rod are rod-shaped with the same size. A first shaft for rotational connection is provided between adjacent first rods, and a first shaft for rotational connection is also provided between adjacent second rods. A second shaft for rotational connection is provided between the middle parts of the corresponding first rod and second rod. The solar panel is rotatably connected to the second shaft.

[0009] Further, symmetrically distributed first grooves are provided on the inner side of the sealing plate. A sliding groove is provided on the inner wall of the first groove. The first shaft at one end of the outermost scissor-type telescopic mechanism is slidably connected to the sliding groove. A sliding groove for sliding connection of the first shaft at the other end of the scissor-type telescopic mechanism is also provided on the side wall at the bottom of the lifting groove.

[0010] Further, fixing plates symmetrically distributed and fixedly connected are provided at both ends of the solar panel. A connecting shaft is connected to the middle part of the outer side of the fixing plate. The connecting shaft is fixedly connected to the second shaft. A transmission member connected and used to drive the synchronous rotation between the connecting shafts is provided between adjacent connecting shafts. Symmetrically distributed and rotatable adjusting shafts are provided in the storage groove. The adjusting shaft is connected and transmitted to the adjacent connecting shaft through the transmission member.

[0011] Furthermore, the transmission member includes a transmission chain segment and a connecting segment. There are two transmission chain segments and two connecting segments respectively, and the transmission chain segment and the connecting segment form a ring. A gear shaft meshing with the transmission chain segment is provided on the connecting shaft. The transmission chain segments are respectively meshed with the corresponding gear shafts. Limiting arc plates for pressing and limiting the transmission chain segments on the gear shafts are provided at both the upper and lower ends of the connecting shaft. The limiting arc plates are fixedly connected to the fixing plate. The connecting segment is made of a soft and deformable cord-like material.

[0012] Further, adjustment motors are fixedly connected and symmetrically distributed in the storage tank, and the output end of the adjustment motor is fixedly connected to an adjustment shaft.

[0013] Further, the connecting shaft on one side of the solar panel is fixedly connected to the fixing plate, the connecting shaft on the other side of the solar panel is rotatably connected to the fixing plate, symmetrically distributed telescopic grooves are provided on the inner wall of the fixing plate below the solar panel, and slidably connected and telescopic solar sub-panels are provided in the telescopic grooves. A rotatable rotating shaft is provided between the solar sub-panels. Multiple sections of reciprocating threads are provided on the rotating shaft. An adjusting ring is connected to each section of the reciprocating thread. Transmission rods are rotatably connected to both ends of the adjusting ring. The extending end of the transmission rod is rotatably connected to the corresponding solar sub-panel. One end of the rotating shaft is rotatably connected to the corresponding fixing plate, and the other end of the rotating shaft movably passes through the fixing plate and is fixedly connected to the rotating connecting shaft.

[0014] Preferably, symmetrically distributed limiting grooves are provided on both sides at the outlet of the storage tank, and locking tongues that are telescopic and used for snap-fixing in the limiting grooves are provided at both ends of the sealing plate.

[0015] Further, a handle groove is provided in the middle of the outer side of the sealing plate. The cross-section of the handle groove is convex, and an adjusting plate that is matched and can move up and down is provided at the outlet of the handle groove. A plurality of first springs that are fixedly connected and used for driving the adjusting plate to automatically pop out to seal the handle groove are provided between the adjusting plate and the inner wall of the handle groove. Symmetrically distributed locking grooves are provided on both sides of the sealing plate. The locking tongue is slidably connected in the locking groove. A second spring that is fixedly connected and used for driving the locking tongue to automatically pop out is provided in the locking groove. A communication groove is provided between the locking groove and the handle groove. A connecting piece is provided in the communication groove. One end of the connecting piece is fixedly connected to the locking tongue, and the other end of the connecting piece is fixedly connected to the adjusting plate.

[0016] Preferably, a support groove is provided at the bottom of the sealing plate, and two support rods that are used for supporting the sealing plate and can be rotatably retracted are provided in the support groove.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] Storage tanks, solar panels, and scissor-type telescopic mechanisms are provided on both sides of the upper end of the original housing. The scissor-type telescopic mechanism can be used to stack the solar panels vertically in the storage tank, realizing the hiding of the solar panels when not in use, without affecting the overall use. When in need of use, the solar panels can be unfolded outward through the scissor-type telescopic mechanism for solar power generation. Moreover, due to the characteristics of the diesel generator itself, the fuel filling port is generally in the middle of the upper end of the housing. Therefore, the storage tanks are distributed on both sides of the fuel filling card. This mode occupies less space of the housing, and at the same time, the area of the solar panels after assembly is large. This mode can effectively improve the power generation efficiency of the solar panels.

[0019] Specific embodiments of the present invention are disclosed in detail with reference to the following description and the accompanying drawings, indicating the ways in which the principles of the present invention can be employed. It should be understood that the scope of the embodiments of the present invention is not thereby limited.

[0020] Features described and / or illustrated for one embodiment can be used in the same or similar manner in one or more other embodiments, combined with features in other embodiments, or substituted for features in other embodiments.

[0021] It should be emphasized that the term "comprising / including" as used herein refers to the presence of features, whole units, steps or components, but does not exclude the presence or addition of one or more other features, whole units, steps or components. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the three-dimensional structure of the solar panel after deployment provided for Embodiment 1 of the present invention;

[0023] Figure 2 Schematic diagram of the three-dimensional structure of the diesel generator before use provided for Embodiment 1 of the present invention;

[0024] Figure 3 Schematic diagram of the cross-sectional structure of the scissor-type telescopic mechanism and the storage tank provided for Embodiment 1 of the present invention;

[0025] Figure 4 Schematic diagram of the connection structure between the connecting shaft and the transmission member provided for Embodiment 1 of the present invention;

[0026] Figure 5 Schematic diagram of the connection structure between the support rod and the support groove provided for Embodiment 1 of the present invention;

[0027] Figure 6 Schematic diagram of the cross-sectional structure of the solar panel and the solar sub-panel provided for Embodiment 1 of the present invention;

[0028] Figure 7 Schematic diagram of the connection structure between the solar sub-panel and the rotating shaft provided for Embodiment 1 of the present invention;

[0029] Figure 8 Schematic diagram of the cross-sectional connection structure between the sealing plate and the storage tank provided for Embodiment 1 of the present invention;

[0030] Figure 9 Provided for Embodiment 1 of the present invention Figure 8 Enlarged schematic diagram at A in

[0031] In the figure: 1. Housing; 11. Roller; 12. Control panel; 13. Hook; 14. Oil filling port; 15. Heat dissipation hole; 16. Maintenance port; 2. Sealing plate; 20. Support groove; 201. Support rod; 202. Support shaft; 21. Scissor-type telescopic mechanism; 211. First shaft; 212. First rod; 213. Second rod; 214. Second shaft; 22. Storage tank; 221. Slide groove; 23. Adjusting plate; 231. Handle groove; 232. First spring; 233. Connecting piece; 234. Communication groove; 24. Transmission part; 241. Connecting section; 242. Transmission chain section; 243. Limit arc plate; 25. Limit groove; 26. Lock tongue; 27. Second spring; 28. Lock groove; 29. Adjusting motor; 291. Adjusting shaft; 3. Solar panel; 31. Fixed plate; 32. Connecting shaft; 33. Telescopic groove; 34. Rotating shaft; 35. Adjusting ring; 36. Transmission rod; 37. Solar sub-panel; 38. Reciprocating thread. Detailed implementation mode

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] Embodiment 1

[0034] Please refer to Figures 1-3, a diesel generator device based on photovoltaic power generation, includes a diesel generator. There is a storage battery inside the diesel generator, and a housing 1 which is fixedly connected and used for sound insulation and noise reduction is arranged outside the diesel generator. There is a heat dissipation hole 15 on one side of the housing 1, and a control panel 12 for intelligent control is also arranged on the housing 1. On both sides of the upper end of the housing 1, there are symmetrically distributed storage grooves 22. Inside the storage grooves 22, there are multiple solar panels 3 of the same size and evenly stacked. Inside the storage grooves 22 on both sides of the solar panels 3, there are symmetrically distributed scissor-type telescopic mechanisms for driving the multiple solar panels 3 to unfold outwards. The solar panels 3 are rotatably arranged between the scissor-type telescopic mechanisms, and the solar panels 3 are electrically connected to the storage battery inside the diesel generator. At the outlet of the storage groove 22, there is a sealing plate 2 which is snap-connected and used for sealing the storage groove 22. The extension end of the scissor-type telescopic mechanism is connected to the sealing plate 2. By arranging the storage grooves 22, solar panels 3, and scissor-type telescopic mechanisms 21 on both sides of the upper end of the original housing 1, the scissor-type telescopic mechanism 21 can be used to stack the solar panels 3 vertically in the storage grooves 22, realizing the hiding of the solar panels 3 when not in use, which will not affect the overall use. When in need of use, the solar panels 3 can be unfolded outwards through the scissor-type telescopic mechanism 21 for solar power generation. Moreover, in this mode, the space occupied by the housing 1 is relatively small, and at the same time, the area of the solar panels 3 is large after assembly. Such a mode can effectively improve the power generation efficiency of the solar panels 3.

[0035] Please refer to Figure 3 , the scissor-type telescopic mechanism includes a first rod 212 and a second rod 213. Both the first rod 212 and the second rod 213 are rod-shaped with the same size. A first shaft 211 for rotational connection is arranged between adjacent first rods 212. A first shaft 211 for rotational connection is also arranged between adjacent second rods 213. A second shaft 214 for rotational connection is arranged between the middle parts of the corresponding first rod 212 and second rod 213. The solar panel 3 is rotatably connected to the second shaft 214. On the inner side of the sealing plate 2, there are symmetrically distributed first grooves. On the inner wall of the first grooves, there are sliding grooves 221. The first shaft 211 at one end of the outermost scissor-type telescopic mechanism 21 is slidably connected to the sliding groove 221. On the side wall of the bottom of the lifting groove, there is also a sliding groove 221 for the first shaft 211 at the other end of the scissor-type telescopic mechanism 21 to slide. The design of the first rod 212, second rod 213, first shaft 211, and second shaft 214 can form a scissor-type telescopic mechanism 21, realizing the synchronous telescoping of the second shaft 214, so that the solar panels 3 can be unfolded outwards synchronously. The design of the sliding groove 221 enables the first rod 212 and the second rod 213 to slide in the sliding groove 221 when rotating, ensuring the normal lifting of the scissor-type telescopic mechanism 21.

[0036] Furthermore, fixed plates 31 which are symmetrically distributed and fixedly connected are provided at both ends of the solar panel 3. In the middle of the outer side of the fixed plate 31, a connecting shaft 32 is provided, and the connecting shaft 32 is fixedly connected to the second shaft 214. A transmission member 24 which is connected and used for driving the synchronous rotation between the connecting shafts 32 is provided between adjacent connecting shafts 32. In the storage tank 22, adjusting shafts 291 which are symmetrically distributed and rotatable are provided, and the adjusting shafts 291 are connected and driven by the transmission member 24 with the adjacent connecting shafts 32. By using the combination of the adjusting shaft 291 and the transmission member 24, the synchronous adjustment of the solar panel 3 can be realized, which is convenient for the solar panel 3 to be changed from a vertical state to a horizontal tiled state, and is convenient for the solar panel 3 to fully contact the sun.

[0037] Please refer to Figure 4 , the transmission member 24 includes transmission chain segments 242 and connecting segments 241. There are two transmission chain segments 242 and connecting segments 241 respectively, and the transmission chain segments 242 and the connecting segments 241 form a ring. A gear shaft meshing with the transmission chain segment 242 is provided on the connecting shaft 32. The transmission chain segments 242 are respectively meshed with the corresponding gear shafts. Limiting arc plates 243 for pressing and limiting the transmission chain segments 242 on the gear shafts are provided at both the upper and lower ends of the connecting shaft 32. The limiting arc plates 243 are fixedly connected to the fixed plate 31. The connecting segment 241 is made of a soft and deformable rope-like material. Designing the transmission member 24 as a mode of transmission chain segments 242 and connecting ends can be fully combined with the scissor-type telescopic mechanism 21. After the scissor-type telescopic mechanism 21 contracts, the adjacent second shafts 214 are very close to each other. If all are connected by chains, and the chains are large, the loose chains are likely to cause jamming. While the connecting segment 241 can use a relatively thin rope-like material, which occupies less space and has a low failure rate. At the same time, the limiting arc plate 243 can effectively press and limit the transmission chain segment 242 on the gear shaft, preventing the chain from loosening and causing the transmission chain segment 242 to fall off the gear shaft, ensuring the overall stability.

[0038] Please refer to Figure 4 , in the storage tank 22, adjusting motors 29 which are fixedly connected and symmetrically distributed are provided, and the output ends of the adjusting motors 29 are fixedly connected to the adjusting shafts 291. The addition of the adjusting motors 29 makes the adjustment of the solar panel 3 more intelligent and more convenient.

[0039] Please refer to Figures 6-7, the connecting shaft 32 on one side of the solar panel 3 is fixedly connected to the fixing plate 31, the connecting shaft 32 on the other side of the solar panel 3 is rotatably connected to the fixing plate 31, and symmetrically distributed telescopic grooves 33 are provided on the inner wall of the fixing plate 31 below the solar panel 3. A slidable and telescopic solar sub-panel 37 is provided in the telescopic groove 33. A rotatable rotating shaft 34 is provided between the solar sub-panels 37. Multiple sections of reciprocating threads 38 are provided on the rotating shaft 34. An adjusting ring 35 is connected to each section of the reciprocating thread 38. Rotating rods 36 are rotatably connected to both ends of the adjusting ring 35. The extending end of the rotating rod 36 is rotatably connected to the corresponding solar sub-panel 37. One end of the rotating shaft 34 is rotatably connected to the corresponding fixing plate 31, and the other end of the rotating shaft movably passes through the fixing plate 31 and is fixedly connected to the rotating connecting shaft 32. The design of the solar sub-panel 37 can further increase the area of the solar panel 3. The design of the rotating shaft 34, the reciprocating thread 38, the adjusting ring 35, and the rotating rod 36 connects the rotating shaft 34 to the connecting shaft 32. Since the connecting shaft 32 is rotatably connected to the fixing plate 31, the rotation of the connecting shaft 32 can only drive the rotation of the rotating shaft 34, so that the rotating shaft 34 can rotate continuously. Coupled with the combination of the reciprocating thread 38 and the adjusting ring 35, through the transmission of the rotating rod 36, the solar sub-panel 37 can move back and forth at the bottom of the solar panel 3 for adjustment.

[0040] Please refer to Figures 8-9 , symmetrically distributed limiting grooves 25 are provided on both sides at the outlet of the storage groove 22, and locking tongues 26 that are telescopic and used for engaging and fixing in the limiting grooves 25 are provided at both ends of the sealing plate 2. The design of the limiting groove 25 and the locking tongue 26 can fix the sealing plate 2.

[0041] Please refer to Figures 8-9 , a handle groove 231 is provided in the middle on the outer side of the sealing plate 2. The cross-section of the handle groove 231 is convex, and an adjusting plate 23 that is matched and can move up and down is provided at the outlet of the handle groove 231. A plurality of first springs 232 that are fixedly connected and used to drive the adjusting plate 23 to automatically pop out to seal the handle groove 231 are provided between the adjusting plate 23 and the inner wall of the handle groove 231. Locking grooves 28 are symmetrically distributed on both sides of the sealing plate 2. The locking tongues 26 are slidably connected in the locking grooves 28. Second springs 27 that are fixedly connected and used to drive the locking tongues 26 to automatically pop out are provided in the locking grooves 28. A communicating groove 234 is provided between the locking groove 28 and the handle groove 231. A connecting piece 233 is provided in the communicating groove 234. One end of the connecting piece 233 is fixedly connected to the locking tongue 26, and the other end of the connecting piece 233 is fixedly connected to the adjusting plate 23. The design of the adjusting plate 23 can ensure the overall sealing of the handle groove 231, and at the same time can also be used as a transmission part 24 for unlocking, so that the adjusting plate 23 is pressed to drive the locking tongue 26 to contract, realizing unlocking, which is convenient and fast.

[0042] See also Figure 5 The bottom of the sealing plate 2 is provided with a support groove 20, and two support rods 201 for supporting the sealing plate 2 and being rotatable and retractable are provided in the support groove 20. A support shaft 202 rotatably connected is provided between the end of the support rod 201 and the support groove 20. The design of the support groove 20 and the support rod 201 enables the scissor-type telescopic mechanism 21 to be supported by the contact between the support rod 201 and the ground after being fully unfolded, so as to better support and fix one end of the sealing plate 2, and effectively ensure the stability of the solar panel 3 when in use.

[0043] See also Figure 1 The diesel generator is provided with an oil filling port 14, which is located in the middle of the upper end of the shell 1. An inspection port 16 is provided on one side of the shell 1, and a rotatable and closable inspection door is provided on the inspection port 16; a hook 13 for carrying is provided on the shell 1, and a roller 11 for moving is provided at the bottom of the diesel generator.

[0044] Furthermore, the electricity generated by the solar panels 3 and the solar sub-panels 37 can be connected to the battery to charge the battery.

[0045] A method for using a diesel generator device based on photovoltaic power generation:

[0046] S1 moves the diesel generator to the required position through the roller 11. When the diesel generator is outdoors and exposed to light, the adjustment plate 23 is pressed toward the handle groove 231 by hand. The downward movement of the adjustment plate 23 can be transmitted through the connecting piece 233, which will drive the lock tongue 26 to retract, so that the sealing plate 2 and the storage tank 22 are unlocked. Then, the finger is inserted into the handle groove 231 to pull the sealing plate 2 outward, so that the scissor-type telescopic mechanism 21 is unfolded, and multiple solar panels 3 are arranged vertically and evenly spaced on both ends of the diesel generator;

[0047] S2 then starts one of the regulating motors 29, drives the regulating shaft 291 to rotate, and drives the multiple connecting shafts 32 to rotate synchronously through the transmission of the transmission member 24, so that the multiple solar panels 3 rotate synchronously, so that the solar panels 3 can be fully unfolded and laid flat on both sides of the diesel generator at intervals, and then starts the regulating motor 29 on the other side, through the rotation of the regulating shaft 291 and the transmission of the transmission member 24, it can drive the connecting shaft 32 to rotate continuously, so that the rotating shaft 34 can rotate continuously, and through the reciprocating thread 38, it can drive the regulating ring 35 to move on the rotating shaft 34, and push the solar panel 37 outward. When the solar panel 37 is completely pushed out, stop the corresponding regulating motor 29, thereby further increasing the area of the original solar panel 3, improving the solar energy charging efficiency, and converting light energy into electrical energy to charge the battery;

[0048] S3 can control the rotation of the adjustment motor 29 to enable the solar panel 3 to synchronously deflect with the deflection of the light, so that the solar panel 3 can receive sufficient illumination;

[0049] After use, S4 starts the corresponding adjustment motor 29 to continuously rotate the rotating shaft 34. Through the reciprocating thread 38, the adjustment ring 35 is restored to its initial position, thereby driving the solar sub-panel 37 to retract into the solar panel 3. Then, another adjustment motor 29 is started to drive the solar panel 3 to return to the vertical arrangement. Then, the sealing plate 2 is pressed by hand to squeeze the scissor-type telescopic mechanism 21, so that the solar panel 3 is retracted into the storage tank 22 until the sealing plate 2 is engaged and fixed with the storage tank 22 (i.e., the locking tongue 26 is engaged and fixed with the limiting groove 25).

[0050] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0051] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A diesel generator device based on photovoltaic power generation, comprising a diesel generator. A storage battery is arranged inside the diesel generator, and a housing (1) which is fixedly connected and used for sound insulation and noise reduction is arranged outside the diesel generator. A heat dissipation hole (15) is arranged on one side of the housing (1), and a control panel (12) for intelligent control is also arranged on the housing (1), and it is characterized in that: On both sides of the upper end of the housing (1), symmetrically distributed storage grooves (22) are provided. Inside the storage grooves (22), a plurality of solar panels (3) of the same size and used for photovoltaic power generation are provided. Inside the storage grooves (22) on both sides of the solar panels (3), a scissor-type telescopic mechanism (21) that is symmetrically distributed and used to drive the plurality of solar panels (3) to expand outwards is provided. The solar panels (3) are rotatably arranged between the scissor-type telescopic mechanisms (21). At the outlet of the storage groove (22), a sealing plate (2) that is snap-connected and used to seal the storage groove (22) is provided. The extended end of the scissor-type telescopic mechanism (21) is connected to the sealing plate (2). On both ends of the solar panel (3), symmetrically distributed and fixedly connected fixing plates (31) are provided. In the middle of the outer side of the fixing plate (31), a connecting shaft (32) is connected. The connecting shaft (32) on one side of the solar panel (3) is fixedly connected to the fixing plate (31). The connecting shaft (32) on the other side of the solar panel (3) is rotatably connected to the fixing plate (31). On the inner wall of the fixing plate (31) below the solar panel (3), symmetrically distributed telescopic grooves (33) are provided. Inside the telescopic grooves (33), telescopically connected solar sub-panels (37) that are slidably connected are provided. Between the solar sub-panels (37), a rotatable rotating shaft (34) is provided. On the rotating shaft (34), multiple sections of reciprocating threads (38) are provided. On each section of the reciprocating thread (38), an adjusting ring (35) that is connected is provided. At both ends of the adjusting ring (35), rotatably connected transmission rods (36) are provided. The extended end of the transmission rod (36) is rotatably connected to the corresponding solar sub-panel (37). One end of the rotating shaft (34) is rotatably connected to the corresponding fixing plate (31), and the other end of the rotating shaft (34) movably passes through the fixing plate (31) and is fixedly connected to the rotating connecting shaft (32).

2. The diesel generator device based on photovoltaic power generation according to claim 1, wherein: The scissor-type telescopic mechanism (21) includes a first rod (212) and a second rod (213). Both the first rod (212) and the second rod (213) are rod-shaped with the same size. Between adjacent first rods (212), a first shaft (211) for rotational connection is provided. Between adjacent second rods (213), a first shaft (211) for rotational connection is also provided. Between the middle parts of the corresponding first rod (212) and second rod (213), a second shaft (214) for rotational connection is provided. The solar panel (3) is rotatably connected to the second shaft (214).

3. The diesel generator device based on photovoltaic power generation according to claim 2, characterized in that: On the inner side of the sealing plate (2), symmetrically distributed first grooves are provided. On the inner wall of the first groove, a sliding groove (221) is provided. The first shaft (211) at one end of the outermost scissor-type telescopic mechanism (21) is slidably connected to the sliding groove (221). On the side wall of the storage groove (22), a sliding groove (221) for the first shaft (211) at the other end of the scissor-type telescopic mechanism (21) to slide is also provided.

4. The diesel generator device based on photovoltaic power generation according to claim 2, characterized in that: The connecting shaft (32) is fixedly connected to the second shaft (214). A transmission member (24) which is connected and used for driving the connecting shafts (32) to rotate synchronously is arranged between adjacent connecting shafts (32). An adjusting shaft (291) which is symmetrically distributed and rotatable is arranged in the storage groove (22). The adjusting shaft (291) is connected and driven by the transmission member (24) with the adjacent connecting shaft (32).

5. The diesel generator device based on photovoltaic power generation according to claim 4, characterized in that: The transmission member (24) includes transmission chain segments (242) and connecting segments (241). There are two transmission chain segments (242) and two connecting segments (241) respectively. The transmission chain segments (242) and the connecting segments (241) form a ring. A gear shaft meshing with the transmission chain segment (242) is arranged on the connecting shaft (32). The transmission chain segments (242) are respectively meshed with the corresponding gear shafts. Limiting arc plates (243) for pressing and limiting the transmission chain segments (242) on the gear shafts are arranged at both the upper and lower ends of the connecting shaft (32). The limiting arc plates (243) are fixedly connected to the fixing plate (31). The connecting segment (241) is made of a soft and deformable rope-like material.

6. A diesel generator device based on photovoltaic power generation according to claim 4, characterized in that: Adjusting motors (29) which are fixedly connected and symmetrically distributed are arranged in the storage groove (22). The output end of the adjusting motor (29) is fixedly connected to the adjusting shaft (291).

7. A diesel generator device based on photovoltaic power generation according to claim 1, characterized in that: Limiting grooves (25) which are symmetrically distributed are arranged on both sides at the outlet of the storage groove (22). Lock tongues (26) which are retractable and used for clamping and fixing in the limiting grooves (25) are arranged at both ends of the sealing plate (2).

8. A diesel generator set based on photovoltaic power generation according to claim 7, characterized in that: A handle groove (231) is arranged in the middle on the outer side of the sealing plate (2). The cross section of the handle groove (231) is convex. An adjusting plate (23) which is matched and can move up and down is arranged at the outlet of the handle groove (231). A plurality of first springs (232) which are fixedly connected and used for driving the adjusting plate (23) to automatically pop out to seal the handle groove (231) are arranged between the adjusting plate (23) and the inner wall of the handle groove (231). Lock grooves (28) which are symmetrically distributed are arranged on both sides of the sealing plate (2). The lock tongues (26) are slidably connected in the lock grooves (28). Second springs (27) which are fixedly connected and used for driving the lock tongues (26) to automatically pop out are arranged in the lock grooves (28). A communicating groove (234) which is communicated is arranged between the lock groove (28) and the handle groove (231). A connecting member (233) is arranged in the communicating groove (234). One end of the connecting member (233) is fixedly connected to the lock tongue (26), and the other end of the connecting member (233) is fixedly connected to the adjusting plate (23).

9. The diesel generator device based on photovoltaic power generation according to claim 1, characterized in that: A support groove (20) is arranged at the bottom of the sealing plate (2). Two support rods (201) which are used for supporting the sealing plate (2) and can rotate and retract are arranged in the support groove (20).

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