1. A floating plate automatic tracking solar photovoltaic panel array for water conservancy project lake surface reformation comprises a floating plate platform (1) and a photovoltaic panel (6), and is characterized in that an array building mechanism (2) is fixedly installed on the bottom surface of the floating plate platform (1), a vertical falling stabilizing mechanism (3) is detachably installed on the bottom surface of the array building mechanism (2), an inclination angle adjusting mechanism (4) and a locking mechanism (8) are fixedly installed on the top surface of the floating plate platform (1), an arc-shaped tooth frame (5) is movably installed in the inclination angle adjusting mechanism (4), the photovoltaic panel (6) is fixedly installed on the top surface of the arc-shaped tooth frame (5), and a light receiving monitoring mechanism (7) is fixedly installed on one side of the photovoltaic panel (6);

the array building mechanism (2) comprises a first connecting strip plate (21) and a second connecting strip plate (22), the first connecting strip plate (21) and the second connecting strip plate (22) are arranged vertically and poorly, two ends of the first connecting strip plate (21) and two ends of the second connecting strip plate (22) are respectively provided with a connecting socket (23) and an inserting piece (24), the surfaces of the connecting socket (23) and the inserting piece (24) are respectively provided with a locking hole (25), and a slot (231) matched with the inserting piece (24) is formed in the connecting socket (23);

the vertical descending stabilizing mechanism (3) comprises an assembling rod (31) and a stabilizing hammer head component (32), a threaded rod (33) is fixedly welded at the bottom end of the assembling rod (31), threaded holes matched with the threaded rod (33) are formed in the top ends of the assembling rod (31) and the stabilizing hammer head component (32), the stabilizing hammer head component (32) comprises a connecting rod (321), a counterweight hammer head (322) and a riverbed inserting rod (323), and the connecting rod (321) and the riverbed inserting rod (323) are fixedly connected with the upper end and the lower end of the counterweight hammer head (322) respectively;

the inclination angle adjusting mechanism (4) comprises an adjusting guide seat (41) and a driving motor (42), a movement guide groove (51) matched with the adjusting guide seat (41) is formed in the surface of the arc-shaped gear rack (5), gear teeth are arranged on the inner side of the arc-shaped gear rack (5), a driving gear (43) is fixedly sleeved on an output shaft of the driving motor (42), the driving gear (43) is meshed with the gear teeth of the arc-shaped gear rack (5), and the bottom surfaces of the adjusting guide seat (41) and the driving motor (42) are fixedly connected with the top surface of the floating plate platform (1);

the light receiving monitoring mechanism (7) comprises a light receiving cassette (71) and a photosensitive element (73), the photosensitive element (73) is fixedly installed inside the light receiving cassette (71), a light absorbing guide tube (74) located inside the light receiving cassette (71) is fixedly sleeved on the top surface of the photosensitive element (73), a light guide plate (72) is fixedly installed inside the light receiving cassette (71), and a light through hole is formed in the surface of the light guide plate (72) and is fixedly installed at the top end of the light absorbing guide tube (74).

2. The automatic tracking solar photovoltaic array of floating plates for water conservancy project lake surface reformation according to claim 1, characterized in that the floating plate platform (1) is formed by blow molding of PE, the inside of the floating plate platform (1) is of a hollow cavity structure, the thickness of the floating plate platform (1) is less than 5cm, the array building mechanism (2) is a member made of aluminum alloy section bar material, and the inside of the array building mechanism (2) is of a hollow cavity.

3. The array of the solar photovoltaic panels for the water conservancy project lake surface reformation according to claim 1, wherein the bottom surface of the array building mechanism (2) is provided with a screw rod which has the same size and structure as the threaded rod (33), the screw rod is positioned on the bottom surface of the joint of the first connecting strip plate (21) and the second connecting strip plate (22), and the top of the assembling rod (31) is connected with the screw rod through a threaded hole.

4. The floating plate automatic tracking solar photovoltaic panel array for water conservancy project lake surface reformation according to claim 1, characterized in that the assembling rod (31) and the stable hammer head assembly (32) are steel members, the outer sides of the assembling rod (31) and the stable hammer head assembly (32) are sprayed with an anti-rust paint layer, the counterweight hammer head (322) is in a water droplet shape, and the bottom end of the riverbed inserted link (323) is in an inclined plane conical head structure.

5. The array of the solar photovoltaic panels for the hydraulic engineering lake surface reformation according to claim 1, wherein the arc-shaped rack (5) is of a semi-arc structure, limit switches (52) are embedded at two ends of the inner side of the arc-shaped rack (5), the output ends of the limit switches (52) are electrically connected with a controller, and the output end of the controller is electrically connected with the input end of the driving gear (43).

6. The array of the solar photovoltaic panels for the floating plate automatic tracking of the hydraulic engineering lake surface reformation according to claim 5, wherein the limit switch (52) is a piezoelectric switch structure, the controller is a relay controller, and the input end of the controller is electrically connected with the output end of the photic monitoring mechanism (7).

7. The array of the floating plate automatic tracking solar photovoltaic panel for water conservancy project lake surface reconstruction as claimed in claim 1, wherein the top surfaces of the light receiving cassette (71) and the photosensitive element (73) are parallel to the surface of the photovoltaic panel (6), the inner side of the light absorbing guide tube (74) is coated with a black glue layer, and the light transmitting hole of the light guide plate (72) is clamped with a light transmitting membrane.

8. The water conservancy project lake surface transformation floating plate automatic tracking solar photovoltaic panel array as claimed in claim 1, wherein the locking mechanism (8) comprises a locking seat (81) and a locking brake sheet (82), an electric push rod is fixedly mounted on the inner side of the locking seat (81), the output end of the electric push rod is fixedly connected with one side of the locking brake sheet (82), and the locking brake sheet (82) is symmetrically arranged on two sides of the arc-shaped toothed frame (5) and is in friction butt joint with two sides of the arc-shaped toothed frame (5).

Background

Solar energy is a clean energy, and the direct conversion of solar energy into electric energy by using a photovoltaic power station is a high-efficiency solar energy utilization mode. At present, photovoltaic power stations are mainly built on the ground, for example, idle land is utilized for building, but the land photovoltaic power stations usually occupy a large area because the irradiation energy distribution density is small and the influence of weather conditions is large. The method has the advantages that land resources are precious in economically developed areas, building of the photovoltaic power station is greatly limited, overwater photovoltaics refer to building of the photovoltaic power station by using idle water surfaces, the upper photovoltaic power station does not occupy land resources, water evaporation is reduced, algae growth is avoided, and the like, and the method has a wide development prospect.

The open and unmasked water surface is a good place for building a solar photovoltaic power station, China advocates the building of the solar photovoltaic power station vigorously to enhance the protection of the environment, but the land for installing the solar photovoltaic power station is less and less, ponds, reservoirs and lakes can not be built in large area due to difficult building or too high building cost, the open and unmasked water surface can not be utilized, and the application and popularization of new photovoltaic power generation energy on the water surface are limited.

At present, mainly adopt showy formula or the fixed array of foundation pile on photovoltaic power plant's the embodiment on water, the solar photovoltaic power plant of building on the surface of water still adopts the pile to build the mounting bracket that can install solar energy component, not only long time consuming, with high costs, still because there is some ponds, there is thick silt at the bottom of reservoir and lake, and can't build the mounting bracket of installation solar energy component through the pile, be compelled to give up solar photovoltaic power plant's installation, another kind of whole floating platform that is used for showy formula surface of water photovoltaic array is the integral type, form by the blow molding of high density polyethylene, realize being connected through the plastics engaging lug between floating platform and the floating platform, guarantee whole showy gradual fixed, the floating platform is built with higher costs, it is loaded down with trivial details.

In addition, the existing photovoltaic array mainly adopts an integral control system, namely, a control terminal is adopted to calculate and predict the direct angle of light to uniformly adjust the inclination angle of each photovoltaic panel, because the laying area is wider and the area difference exists, the direct angle of sunlight received by different photovoltaic panels has certain deviation, the uniform regulation and control mode cannot make targeted adjustment on the difference of the terrain, so that the light receiving rate of partial photovoltaic panels is lower, and certain defects exist.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the invention provides the automatic tracking solar photovoltaic panel array of the floating plate for the lake surface reconstruction of the hydraulic engineering, the installation of each photovoltaic panel is realized by utilizing a multi-independent floating plate platform and an array building mechanism structure, and the array building mechanism is used for splicing and combining the photovoltaic panels mutually to form a large-area photovoltaic array, so that the large-area laying framework of the lake surface is realized, and the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme that the automatic tracking solar photovoltaic panel array of the floating panel for the lake surface reformation of the hydraulic engineering comprises a floating panel platform and a photovoltaic panel, wherein an array building mechanism is fixedly installed on the bottom surface of the floating panel platform, a vertical falling stabilizing mechanism is detachably installed on the bottom surface of the array building mechanism, an inclination angle adjusting mechanism and a locking mechanism are fixedly installed on the top surface of the floating panel platform, an arc-shaped toothed frame is movably installed inside the inclination angle adjusting mechanism, the photovoltaic panel is fixedly installed on the top surface of the arc-shaped toothed frame, and a light receiving monitoring mechanism is fixedly installed on one side of the photovoltaic panel;

the array building mechanism comprises a first connecting strip plate and a second connecting strip plate which are vertically and poorly arranged, two ends of the first connecting strip plate and two ends of the second connecting strip plate are respectively provided with a connecting socket and an inserting piece, the surfaces of the connecting socket and the inserting piece are respectively provided with a locking hole, and a slot matched with the inserting piece is formed in the connecting socket;

the vertical descending stabilizing mechanism comprises an assembling rod and a stabilizing hammer head component, a threaded rod is fixedly welded at the bottom end of the assembling rod, threaded holes matched with the threaded rod are formed in the top ends of the assembling rod and the stabilizing hammer head component, the stabilizing hammer head component comprises a connecting rod, a counterweight hammer head and a riverbed inserted bar, and the connecting rod and the riverbed inserted bar are respectively and fixedly connected with the upper end and the lower end of the counterweight hammer head;

inclination adjustment mechanism is including adjusting guide holder and driving motor, the motion guide slot with adjusting guide holder looks adaptation is seted up on the surface of arc-shaped tooth frame, the inboard of arc-shaped tooth frame is equipped with the teeth of a cogwheel, driving motor's the fixed cover of output shaft has connect drive gear, drive gear meshes with the teeth of a cogwheel of arc-shaped tooth frame mutually, adjust guide holder and driving motor's bottom surface and the top surface fixed connection of kickboard platform.

The light receiving monitoring mechanism comprises a light receiving cassette and a photosensitive element, the photosensitive element is fixedly installed inside the light receiving cassette, a light absorption guide cylinder located inside the light receiving cassette is fixedly sleeved on the top surface of the photosensitive element, a light guide plate is fixedly installed inside the light receiving cassette, and a light through hole is formed in the surface of the light guide plate and is fixedly installed at the top end of the light absorption guide cylinder.

Preferably, the kickboard platform is formed by PE blow molding, the inside of the kickboard platform is of a hollow cavity structure, the thickness of the kickboard platform is smaller than 5cm, the array building mechanism is an aluminum alloy profile material component, and the inside of the array building mechanism is of a hollow cavity.

Preferably, the bottom surface of the array building mechanism is provided with a screw rod with the same size and structure as the threaded rod, the screw rod is positioned on the bottom surface of the joint of the first connecting strip plate and the second connecting strip plate, and the top of the assembling rod is connected with the screw rod through a threaded hole.

Preferably, assemble the pole and stabilize the tup subassembly and be steel material component, the outside spraying of assembling pole and stabilizing the tup subassembly has the anti-rust paint layer, the counter weight tup is the water droplet form, the bottom of riverbed inserted bar is inclined plane conical head structure.

Preferably, the arc-shaped tooth rack is of a semi-circular arc structure, limit switches are installed at two ends of the arc-shaped tooth rack arc inner side in an embedded mode, the output end of each limit switch is electrically connected with a controller, and the output end of each controller is electrically connected with the input end of the corresponding driving gear.

Preferably, limit switch is the piezoelectricity switch structure, the controller is relay controller, the input and the output electric connection of photic monitoring mechanism of controller.

Preferably, the top surfaces of the light receiving cassette and the photosensitive element are parallel to the surface of the photovoltaic panel, a black glue layer is coated on the inner side of the light absorbing guide cylinder, and the light transmitting diaphragm is clamped in the light transmitting hole of the light guide plate.

Preferably, locking mechanical system stops the piece including locking seat and locking, the inboard fixed mounting of locking seat has electric putter, one side fixed connection of piece is stopped with the locking to electric putter's output, the locking piece of stopping is the symmetrical arrangement in the both sides of arc-shaped tooth frame and rubs the butt with the both sides of arc-shaped tooth frame.

The invention has the technical effects and advantages that:

1. in the scheme, the photovoltaic array adopts the spliced floating assembly, the installation of each photovoltaic plate is realized by utilizing a multi-independent floating plate platform and an array building mechanism structure, and the array building mechanism is mutually spliced and combined to form a large-area photovoltaic array, so that a large-area lake surface laying framework is realized, and the whole array is stably fixed by utilizing the vertical falling stabilizing mechanism, so that the stability of the photovoltaic array is ensured;

2. in the scheme, the photovoltaic array is mutually spliced by adopting an array building mechanism structure, and the transverse and vertical splicing of the array is respectively realized by utilizing the first connecting strip plate and the second connecting strip plate, so that the structure is simple, the splicing is convenient, the assembling efficiency of the photovoltaic array can be effectively improved, and the installation cost is reduced;

3. in the above scheme, this photovoltaic array adopts the stand-alone type to adjust the structure, utilizes photic monitoring mechanism to carry out the photic rate monitoring, thereby makes sunshine penetrate into photic monitoring mechanism's inside directly through control inclination adjustment mechanism's drive and carry out photic perception signal of telecommunication control inclination adjustment mechanism's drive by the photosensitive element and realize the stand-alone type angle modulation of each photovoltaic board, guarantees that different regional position photovoltaic boards reach the optimum photic angle.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an array building mechanism of the present invention;

FIG. 3 is a schematic structural view of a reclining mechanism according to the present invention;

FIG. 4 is a schematic structural view of a vertical drop stabilizing mechanism of the present invention;

FIG. 5 is a schematic cross-sectional view of a light receiving monitoring mechanism according to the present invention;

FIG. 6 is a schematic view of the locking mechanism of the present invention;

fig. 7 is a circuit diagram of a light tracking control structure according to the present invention.

The reference signs are:

1. a floating plate platform; 2. an array building mechanism; 3. a vertical descending stabilizing mechanism; 4. an inclination angle adjusting mechanism; 5. an arc-shaped tooth rack; 6. a photovoltaic panel; 7. a light receiving monitoring mechanism; 8. a locking mechanism; 21. a first connecting slat; 22. a second connecting slat; 23. a connection socket; 24. inserting sheets; 25. a locking hole; 231. a slot; 31. assembling the rods; 32. a stabilizing ram assembly; 33. a threaded rod; 321. a connecting rod; 322. a counterweight hammer head; 323. inserting a rod into the riverbed; 41. adjusting the guide seat; 42. a drive motor; 43. a drive gear; 51. a motion guide groove; 52. a limit switch; 71. a light receiving cassette; 72. a light guide plate; 73. a photosensitive element; 74. a light absorbing guide; 81. a locking seat; 82. locking the brake sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a floating plate automatic tracking solar photovoltaic panel array for water conservancy project lake surface reconstruction, which comprises a floating plate platform 1 and a photovoltaic panel 6, wherein an array building mechanism 2 is fixedly installed on the bottom surface of the floating plate platform 1, a vertical descending stabilizing mechanism 3 is detachably installed on the bottom surface of the array building mechanism 2, an inclination angle adjusting mechanism 4 and a locking mechanism 8 are fixedly installed on the top surface of the floating plate platform 1, an arc-shaped toothed frame 5 is movably installed in the inclination angle adjusting mechanism 4, the photovoltaic panel 6 is fixedly installed on the top surface of the arc-shaped toothed frame 5, and a light receiving monitoring mechanism 7 is fixedly installed on one side of the photovoltaic panel 6;

the array building mechanism 2 comprises a first connecting strip plate 21 and a second connecting strip plate 22, wherein the first connecting strip plate 21 and the second connecting strip plate 22 are arranged vertically and poorly, two ends of the first connecting strip plate 21 and the second connecting strip plate 22 are respectively provided with a connecting socket 23 and an inserting piece 24, the surfaces of the connecting socket 23 and the inserting piece 24 are respectively provided with a locking hole 25, and the inside of the connecting socket 23 is provided with a slot 231 matched with the inserting piece 24;

the vertical descending stabilizing mechanism 3 comprises an assembling rod 31 and a stabilizing hammer head component 32, a threaded rod 33 is fixedly welded at the bottom end of the assembling rod 31, threaded holes matched with the threaded rod 33 are formed in the top ends of the assembling rod 31 and the stabilizing hammer head component 32, the stabilizing hammer head component 32 comprises a connecting rod 321, a counterweight hammer head 322 and a riverbed inserting rod 323, and the connecting rod 321 and the riverbed inserting rod 323 are respectively and fixedly connected with the upper end and the lower end of the counterweight hammer head 322;

the inclination angle adjusting mechanism 4 comprises an adjusting guide seat 41 and a driving motor 42, a motion guide groove 51 matched with the adjusting guide seat 41 is arranged on the surface of the arc-shaped tooth rack 5, gear teeth are arranged on the inner side of the arc-shaped tooth rack 5, a driving gear 43 is fixedly sleeved on an output shaft of the driving motor 42, the driving gear 43 is meshed with the gear teeth of the arc-shaped tooth rack 5, the bottom surfaces of the adjusting guide seat 41 and the driving motor 42 are fixedly connected with the top surface of the floating plate platform 1,

in this embodiment, kickboard platform 1 forms for PE blow molding, and the inside of kickboard platform 1 is less than 5cm for hollow cavity structure and kickboard platform 1's thickness, and the array is built mechanism 2 and is aluminum alloy ex-trusions material component, and the inside of mechanism 2 is built to the array is hollow cavity, builds the inside buoyancy cavity that forms of mechanism 2 at kickboard platform 1 and array to improve support buoyancy.

In this embodiment, the bottom surface of the array building mechanism 2 is provided with a screw rod with the same size and structure as the threaded rod 33, the screw rod is located at the bottom surface of the joint of the first connecting strip plate 21 and the second connecting strip plate 22, the top of the assembling rod 31 is connected with the screw rod through a threaded hole, the assembling rod 31 and the stable hammer head assembly 32 are steel components, the outer sides of the assembling rod 31 and the stable hammer head assembly 32 are coated with an anti-rust paint layer, the counterweight hammer head 322 is in a water drop shape, and the bottom end of the riverbed inserting rod 323 is in an inclined plane conical head structure.

Specifically, the vertical falling stabilizing mechanism 3 is installed on the bottom surface of the array building mechanism 2 through threaded connection, and the counter weight structure of the vertical falling stabilizing mechanism 3 ensures the stability of the floating plate platform 1 by utilizing the reaction force of water flow on the vertical falling stabilizing mechanism 3 in the shaking process of the floating platform.

In this embodiment, the arc-shaped rack 5 is a semi-arc-shaped structure, the limit switches 52 are installed at the two ends of the inner side of the arc-shaped rack 5, the output end of the limit switch 52 is electrically connected with the controller, the output end of the controller is electrically connected with the input end of the driving gear 43, the limit switch 52 is a piezoelectric switch structure, the controller is a relay controller, and the input end of the controller is electrically connected with the output end of the light receiving monitoring mechanism 7.

Specifically, the light receiving monitoring mechanism 7 is used for light receiving detection, so that the light tracking control of the photovoltaic panel 6 is automatically controlled, and when the driving gear 43 contacts the limit switch 52 at one end of the arc-shaped rack 5, a signal is triggered to control the driving gear 43 to rotate reversely, so that the inclination angle of the photovoltaic panel 6 is reversely adjusted.

In this embodiment, the light receiving monitoring mechanism 7 includes a light receiving cassette 71 and a photosensitive element 73, the photosensitive element 73 is fixedly installed inside the light receiving cassette 71, a light absorbing guide tube 74 located inside the light receiving cassette 71 is fixedly sleeved on the top surface of the photosensitive element 73, a light guide plate 72 is fixedly installed inside the light receiving cassette 71, a light through hole is formed in the surface of the light guide plate 72 and is fixedly installed at the top end of the light absorbing guide tube 74, the top surfaces of the light receiving cassette 71 and the photosensitive element 73 are parallel to the surface of the photovoltaic panel 6, a black glue layer is coated on the inner side of the light absorbing guide tube 74, and a light through film is clamped in the light through hole of the light.

In this embodiment, locking mechanical system 8 includes that locking seat 81 and locking stop piece 82, and the inboard fixed mounting of locking seat 81 has electric putter, and electric putter's output and one side fixed connection of locking stop piece 82, locking stop piece 82 be symmetrical arrangement in the both sides of arc-shaped tooth frame 5 and with the both sides friction butt of arc-shaped tooth frame 5, through locking mechanical system 8's centre gripping locking, improve photovoltaic board 6's stability in order to deal with bad weather such as strong wind.

The working process of the invention is as follows:

when the photovoltaic array is installed, firstly, the array floating platform is built by using the floating plate platform 1 and the array building mechanism 2, the inserting piece 24 at one end of the array building mechanism 2 is inserted into the connecting socket 23 at one end of the other array building mechanism 2, and the screw rod is inserted into the locking hole 25 for locking connection, namely, the steps are repeated according to the above steps, the connecting socket 23 and the inserting piece 24 at two ends of the first connecting strip plate 21 and the second connecting strip plate 22 are spliced transversely and longitudinally to form a complete water surface floating platform, the inclination angle adjusting mechanism 4 and the locking mechanism 8 are fixed on the surface of the floating plate platform 1, the vertical falling stabilizing mechanism 3 is installed at the bottom surface of the array building mechanism 2 at a proper position or close to the edge of the floating platform, the assembling rods 31 with proper quantity are selected for head-tail combination to form a long rod according to the height of the water level, and the stabilizing hammer head assembly 32 is fixed at the lowest end of the assembling rods 31, the vertical falling stabilizing mechanism 3 is installed on the bottom surface of the array building mechanism 2 through threaded connection, and the counter-acting force of water flow on the vertical falling stabilizing mechanism 3 is utilized to ensure the stability of the floating plate platform 1 in the shaking process of the floating platform through the heavy hammer structure of the vertical falling stabilizing mechanism 3;

when light rays directly irradiate the surfaces of the photovoltaic panel 6 and the light receiving monitoring mechanism 7, the light rays directly penetrate through holes in the surface of the light guide plate 72 to the surface of the photosensitive element 73, the photosensitive element 73 sends a control signal to stop the driving of the inclination angle adjusting mechanism 4 and start the structure of the locking mechanism 8, and the locking brake sheet 82 is pushed by the push rod structure in the locking seat 81 to clamp the two sides of the arc-shaped toothed frame 5, so that the influence of external wind on the photovoltaic panel 6 is prevented;

when the sunlight cannot directly irradiate the surfaces of the photovoltaic panel 6 and the light receiving monitoring mechanism 7, the light enters the light absorbing guide tube 74 through the through holes on the surface of the light guide plate 72 and cannot directly irradiate the surface of the photosensitive element 73, the photosensitive element 73 sends an electric signal to control the locking mechanism 8 to contract and start the inclination angle adjusting mechanism 4, the driving motor 42 rotates to drive the arc-shaped toothed rack 5 to deflect under the guiding action of the adjusting guide seat 41, so that the angle of the photovoltaic panel 6 is adjusted, the limiting switch 52 at one end of the arc-shaped toothed rack 5 contacted with the driving gear 43 triggers the first signal to control the driving gear 43 to reversely rotate, so that the inclination angle of the photovoltaic panel 6 is reversely adjusted until the light directly irradiates the surface of the photosensitive element 73 through the surface of the light guide plate 72, and the photosensitive element 73 controls the locking mechanism 8 to carry out closed clamping and stops the driving of the inclination angle adjusting mechanism 4.

Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the invention can be combined with each other;

finally, the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.