A rotatory body for showy photovoltaic module of formula on water
Technical Field
The invention belongs to the technical field of solar photovoltaic power generation, and particularly relates to a rotary floating body for a water floating type photovoltaic module.
Background
The existing water surface photovoltaic power station can be divided into a pile foundation fixed type and a water surface floating type; because the floating photovoltaic module is closer to the water surface, the water cooling effect has obvious advantages, the water surface height change adaptation is strong, and the like, the application of the water surface floating photovoltaic power station is relatively wide.
The floating photovoltaic power station on water mainly comprises a photovoltaic module panel, a header box, inverter equipment, a transformer, a current collection circuit, a polyethylene floating body stand and the like. Chinese patent 'solar tracker for photovoltaic power generation floating on water surface and implementation method thereof', the publication number is: CN 105227103A; the invention discloses a solar tracker for water surface floating photovoltaic power generation, which comprises a plurality of floating photovoltaic arrays arranged on a water surface, wherein photovoltaic components are fixed on the floating photovoltaic arrays, a regulating water tank is uniformly arranged on the side edge of each floating photovoltaic array, the regulating water tank is connected with a water pump, and the water pump is connected with a controller; according to the invention, the water quantity in the water regulating tank regulated by the water pump changes gravity or buoyancy, and the water regulating tank drives the water surface floating type photovoltaic array to move, so that the purpose of controlling the included angle between the plane of the photovoltaic module and the horizontal plane is achieved, and the photovoltaic module can track the solar altitude angle or the solar hour angle in real time. The problems of cost, maintenance and the like caused by the use of an electric machine and a transmission mechanism in the conventional solar tracker are solved.
In the above patent and the prior art, the adjustment of the direction of the photovoltaic module is performed in a single direction; for the sunshine in the morning and afternoon, the elevation angle of the needed photovoltaic module is set to be larger, the elevation angle of the needed photovoltaic module is close to zero in the noon, and then the photovoltaic module needs to rotate in a single direction along with the rotation of the sun; therefore, the rotation angle is required to be adjusted along with the sun, and the elevation angle is also required to be adjusted. The rotation direction of the current water surface floating type photovoltaic module which is adjusted by only adjusting the water quantity in the water tank to change the gravity or the buoyancy is not enough.
The rotary floating body for the water floating type photovoltaic module is placed on the inner side of a water floating type photovoltaic array floating body support, buoyancy is provided for the photovoltaic module through the floating body, the inclination control device is used for adjusting the position of the magnet block and the position of the balancing weight, and the orientation of a panel of the photovoltaic module on the floating body is controlled; can reach the photovoltaic module panel and follow the sun's position change and carry out synchronous following and the advantage towards the sun all the time, wherein, photovoltaic module does not take place to rotate, just follows the position of locating of magnet piece, and corresponding slope goes on to towards the sun.
Disclosure of Invention
The invention aims to provide a rotary floating body for a water floating type photovoltaic assembly, which is characterized in that a floating body provides buoyancy for the photovoltaic assembly, an inclination control device is used for adjusting the position of a magnet block and the position of a balancing weight to control the orientation of a panel of the photovoltaic assembly on the floating body; the advantage that the photovoltaic module panel follows the position change of the sun synchronously and always faces the sun can be achieved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a rotary floating body for a water floating type photovoltaic module, which comprises a floating body and a tilt control device, wherein the floating body is arranged on the upper surface of the floating body; the floating body is of a ship body structure; the floating body comprises an upper floating body and a lower floating body; the contact surface between the upper floating body and the lower floating body is provided with a channel A and a channel B, and the channel A and the channel B form a closed channel with a circular section; the inclination control device comprises a circular tube, a plurality of groups of coils, a magnet block and a relay which are connected end to end; a plurality of groups of coils are uniformly arrayed in the inner wall of the circular tube; the inner wall of the circular tube is in sliding fit with the magnet block; a control box is fixedly arranged on the inclination control device; a microprocessor, a power supply and a relay are fixedly arranged in the control box; the power supply is electrically connected with the plurality of groups of coils; each group of coils is connected with a power supply through a relay; the relays are electrically connected with the microprocessor; an inclination control device is fixedly arranged in the closed channel; the inclination control device and the control box are both subjected to waterproof treatment;
the floating body has the functions of providing buoyancy for the photovoltaic module and keeping the upper surface of the photovoltaic module horizontal, or the floating body can also provide buoyancy for the photovoltaic module and keep the upper surface of the photovoltaic module inclined to a certain degree relative to the horizontal plane; in the former, when the height of the sun is lower, a balancing weight needs to be arranged to carry out corresponding auxiliary direction adjustment, and the weight of the balancing weight which needs to be arranged can also be finely adjusted according to different seasons; the floating body can set the inclination angle of the upper surface of the photovoltaic module to be in an optimal state without arranging a balancing weight, and if fine adjustment is needed, the balancing weight with smaller volume and lighter weight is also needed to be arranged; the fine adjustment here means that the height of the sun changes according to different seasons, and a counterweight with smaller volume and lighter weight needs to be configured;
the microprocessor controls a plurality of relays; each relay controls the on and off of a circuit of one coil; the power supply supplies power and current to all the coils; when the coil is electrified, the coil can generate certain attraction force to the magnet block after being electrified, so that the magnet block moves; the microprocessor controls the relay to ensure that only one coil in all the coils is communicated with the power supply at each time, and the communication sequence is controlled and set along the moving track of the magnet block in the circular tube; the microprocessor controls the relay to enable the magnet block to move for a circle in one day; the number of the coils is correspondingly adjusted according to the circumference of the circular tube, at least 12 coils are generally arranged, and the multiple of 12 coils is optimal; the gap between each adjacent coil is small or there is an overlap to ensure that the magnet block can be attracted and moved to the respective position at lower currents.
Furthermore, the upper floating body and the lower floating body are fixedly installed through bolts; the floating body has the advantages that the inclination control device is conveniently and fixedly installed inside the floating body, and the floating body is convenient to assemble and disassemble.
Furthermore, the bottom of the lower floating body is provided with a limit groove; the limiting grooves are internally matched with a plurality of limiting rods; the plurality of limiting rods are uniformly fixed on a floating type photovoltaic array floating body support used on water; the plurality of limiting rods are J-shaped structures; the limiting grooves and the limiting rods have the effects that when the inclination angle of the upper surface of the photovoltaic module reaches the maximum limit, the limiting rods on one side abut against the inner top wall of the limiting grooves, and the limiting rods on the other side abut against the bottoms of the limiting grooves; the device has the advantages of limiting the inclination angle and protecting the equipment assembly.
Furthermore, a photovoltaic component is fixed on the upper surface of the floating body; photovoltaic module can install to body upper surface central part or be covered with the body upper surface to and body upper surface is fixed with the panel support that is used for fixed photovoltaic module.
Further, the magnet block comprises a round ball A and a round ball B; the ball A and the ball B are fixedly connected through a spring; the magnet piece design is that the structure effect of fixing through the spring between ball A and the ball B is: the magnet block can not roll and only slide, namely the magnetic pole position of the magnet block is not easy to change, so that the attraction force generated by the electrified coil in the inclination control device on the magnet block can be stably carried out, and the inner wall of the circular tube is relatively smooth; the magnet block is required to have larger attraction force only during initial movement, when the magnet block moves to a corresponding required position, the floating body can also make corresponding inclination adjustment, the magnet block after the floating body is static tends to be stable and cannot slide left and right, and in order to prevent the fluctuation generated when breeze blows over the water surface, the energizing coil at the moment is still in an energized state so as to ensure that the position of the magnet block at the moment cannot change.
Further, the sliding path of the magnet block in the closed channel and the circular tube is a circular or elliptical track; different can be to different periods such as morning, noon, afternoon to the slip path for the body upper surface's gradient carries out corresponding change, the change here, and the orientation that photovoltaic module of different moments is judged to factors such as the atress condition that skilled person can be according to its object changes, just no longer gives unnecessary details.
Furthermore, a balancing weight is fixed on one side of the floating body; the clump weight is used for correspondingly assisting in adjusting the orientation of the photovoltaic assembly.
Furthermore, a cavity and a water filling port are arranged in the balancing weight; the cavity is communicated with the water filling port; a cover is arranged on the water filling port; the cavity and the water filling port are used for fine adjustment of the weight change of the adjusting balancing weight, so that the change of the better matched sun position improves the generating capacity and the generating efficiency of the photovoltaic module, and then the economic benefit is improved.
The invention has the following beneficial effects:
the floating body provides buoyancy for the photovoltaic module, the inclination control device adjusts the position of the magnet block and the position of the balancing weight, and the panel orientation of the photovoltaic module on the floating body is controlled; the advantage that the photovoltaic module panel follows the position change of the sun synchronously and always faces the sun can be achieved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a rotary floating body for a water-floating photovoltaic module according to the present invention;
FIG. 2 is a schematic view of the internal structure of FIG. 1;
FIG. 3 is a schematic structural view of the upper float and the photovoltaic module from a top view;
FIG. 4 is a schematic structural view of the upper float and the photovoltaic module at a bottom view;
FIG. 5 is a top view of the upper float and the photovoltaic module;
FIG. 6 is a schematic structural diagram of the lower float in a top view;
FIG. 7 is a structural schematic view of the lower float at a bottom view;
FIG. 8 is a schematic view of the internal structure of the lower float;
FIG. 9 is a schematic structural view of the tilt control device at a bottom view;
FIG. 10 is a schematic structural view of a stop lever;
FIG. 11 is a perspective view of the tilt control device and control box;
FIG. 12 is a schematic view of a floating body with a weight;
in the drawings, the components represented by the respective reference numerals are listed below:
1-floating body, 2-inclination control device, 3-control box, 4-limiting rod, 5-photovoltaic module, 101-upper floating body, 102-lower floating body, 103-channel A, 104-channel B, 105-closed channel, 106-limiting groove, 107-balancing weight, 201-circular tube, 202-coil, 203-magnet block.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1 to 12, the present invention relates to a rotary floating body for a floating photovoltaic module, which includes a floating body 1 and a tilt control device 2; the floating body 1 is a ship structure; the floating body 1 comprises an upper floating body 101 and a lower floating body 102; the contact surface between the upper floating body 101 and the lower floating body 102 is provided with a channel A103 and a channel B104, and the channel A103 and the channel B104 form a closed channel 105 with a circular section; the inclination control device 2 comprises a circular tube 201, a plurality of groups of coils 202, a magnet block 203 and a relay which are connected end to end; a plurality of groups of coils 202 are uniformly arrayed in the inner wall of the circular tube 201; the inner wall of the circular tube 201 is in sliding fit with the magnet block 203; the control box 3 is fixedly arranged on the inclination control device 2; a microprocessor, a power supply and a relay are fixedly arranged in the control box 3; the power supply is electrically connected with the plurality of groups of coils 202; each group of coils 202 is connected with a power supply through a relay; the relays are electrically connected with the microprocessor; the closed channel 105 is internally and fixedly provided with the inclination control device 2; the inclination control device 2 and the control box 3 are both subjected to waterproof treatment;
the floating body 1 has the functions of providing buoyancy for the photovoltaic module 5 and keeping the upper surface of the photovoltaic module 5 horizontal, or the floating body 1 can also provide buoyancy for the photovoltaic module 5 and keep the upper surface of the photovoltaic module 5 inclined to a certain degree relative to the horizontal plane; in the former, when the height of the sun is low, the counterweight block 107 needs to be arranged to perform corresponding auxiliary direction adjustment, and the weight of the counterweight block 107 needing to be arranged can also be finely adjusted according to different seasons; the latter can be without setting up the counterweight 107, the body 1 at this moment can set the inclination angle of the upper surface of the photovoltaic module 5 as the optimum state, if need go on finely tune, also only need dispose the counterweight 107 that the volume is smaller, the weight is lighter;
the microprocessor controls a plurality of relays; each relay controls the closing and opening of the circuit of one coil 202; the power supply supplies power and current to all the coils; when the coil 202 is energized, the coil 202 generates a certain attractive force to the magnet block 203 after the energization, so that the magnet block 203 moves; the microprocessor controls the relay to ensure that only one coil 202 in all the coils 202 is communicated with the power supply at a time, and the communication sequence is controlled and set along the moving track of the magnet block 203 in the circular tube 201; the microprocessor controls the relay to enable the magnet block 203 to move for one circle in one day; the number of the coils 202 is adjusted correspondingly according to the circumference of the circular tube 201, at least 12 coils are generally arranged, and the multiple of 12 coils is optimal; the gap between each adjacent coil 202 is small or there is an overlap to ensure that the magnet block 203 is attracted and moved to the corresponding position at lower currents.
Preferably, the upper floating body 101 and the lower floating body 102 are fixedly installed through bolts; the inclination control device 2 is conveniently and fixedly installed in the floating body 1, and the floating body has the advantage of convenience in assembly and disassembly.
Preferably, the bottom of the lower floating body 102 is provided with a limit groove 106; the limiting grooves 106 are internally matched with a plurality of limiting rods 4; a plurality of limiting rods 4 are uniformly fixed on the floating type photovoltaic array floating body bracket used on water; the limiting rods 4 are of J-shaped structures; the limiting grooves 106 and the limiting rods 4 have the effects that when the inclination angle of the upper surface of the photovoltaic module 5 reaches the maximum limit, the limiting rods 4 on one side abut against the inner top wall of the limiting grooves 106, and the limiting rods 4 on the other side abut against the bottom of the limiting grooves 106; the device has the advantages of limiting the inclination angle and protecting the equipment assembly.
Preferably, a photovoltaic module 5 is fixed on the upper surface of the floating body 1; photovoltaic module 5 can be installed to 1 upper surface central part of body or be covered with 1 upper surface of body to and 1 upper surface of body is fixed with the panel support that is used for fixed photovoltaic module 5.
Preferably, the magnet block 203 comprises a sphere a and a sphere B; the ball A and the ball B are fixedly connected through a spring; the magnet block 203 is designed to be fixed between the ball A and the ball B through a spring and has the structural functions of: the magnet block 203 can not roll and only slide, that is, the magnetic pole position of the magnet block 203 is not easy to change, so that the attraction force generated by the electrified coil 202 in the inclination control device 2 to the magnet block 203 can be stably performed, and therefore, the inner wall of the circular tube 201 is relatively smooth; the required appeal of magnet piece 203 is only when initial movement, the demand is great, when removing to corresponding required position, corresponding slope adjustment just also can be made to body 1, magnet piece 203 after body 1 is static just also tends to steadily can not the horizontal slip, and in order to prevent the fluctuation that breeze blown the surface of water produced, the circular telegram coil 202 of this moment still is the on-state, in order to guarantee that magnet piece 203 position at this moment can not change, have the steady operation characteristics that make equipment such as slope controlling means 2, the anti-wind ability has promotion to a certain extent.
Preferably, the sliding path of the magnet block 203 inside the closed channel 105 and the circular tube 201 is a circular or elliptical trajectory; different time periods such as morning, noon, afternoon of slip path can be to noon for the body 1 upper surface's of body gradient carries out corresponding change, and the change here, and the orientation that photovoltaic module 5 of different moments is judged to factors such as the atress condition of skilled person can be according to its object changes, just no longer gives unnecessary details.
Preferably, a counterweight 107 is fixed on one side of the floating body 1; the weight 107 is a function of the orientation of the photovoltaic module 5 to be adjusted accordingly.
Preferably, a cavity and a water filling port are arranged in the balancing weight 107; the cavity is communicated with the water filling port; a cover is arranged on the water filling port; cavity and water filling port are for adjusting the weight change of balancing weight 107 and finely tune to the change of better coincide sun position improves photovoltaic module 5's generated energy and generating efficiency, then improves advantages such as economic benefits.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.