CN209690785U - A new track-type optimal inclination photovoltaic tracking device - Google Patents

Abstract

The utility model relates to sun tracker technical field, a kind of novel track type optimum angle of incidence photovoltaic tracking device is provided, including including sliding track mechanism, follower, photovoltaic panel fixed frame, controller；Sliding track mechanism includes a pair of horizontal sliding rail, a vertical sliding rail, horizontal sliding rail fixed frame, vertical sliding rail fixed frame；Follower includes transmission mechanism and sliding equipment, transmission mechanism includes screw rod, feed screw nut's connecting rod, shaft coupling, stepper motor, and sliding equipment includes a pair of of truckle, a pair of big pulley, a pair of of pulley connection frame, a pair of of truckle axis, a pair of big pulley spindle；Screw rod is connected in the rotor of lower end and stepper motor, and stepper motor is electrically connected with the controller；A pair of of truckle is slidably connected at respectively on a vertical sliding rail, and a pair of big pulley is slidably connected at respectively on a pair of horizontal sliding rail.It is same day optimum angle of incidence that the utility model, which can adjust photovoltaic panel inclination angle, promotes photovoltaic efficiency, and structure is simple, manufacturing cost is low, control precision is high, easy to maintain.

Description

A new track-type optimal inclination photovoltaic tracking device

technical field

The utility model relates to the technical field of sun tracking devices, in particular to a novel track-type photovoltaic tracking device with optimal inclination angle.

Background technique

Vigorously developing renewable energy is one of the effective ways to deal with the fossil energy crisis and environmental problems. Among them, photovoltaic power generation has developed rapidly in recent years due to its advantages of abundant resources and little influence by geographical location. The output of photovoltaic power generation is closely related to the intensity of sunlight. Common ground photovoltaic systems generally use concrete as the installation foundation for solar photovoltaic brackets, and the installation angle of photovoltaic panels is fixed. However, due to the rotation and revolution of the earth, compared with a fixed location The power generation system has four seasons of spring, summer, autumn and winter, and the sun rises and sets every day, and the angle of the sun's illumination changes all the time, which reduces the power generation efficiency and economical efficiency of fixed photovoltaic panels. When the photovoltaic panel adopts the optimal tilt angle tracking technology, the photovoltaic panel can maintain the optimal tilt angle, which can maximize the reception of solar radiation energy and improve the economy of photovoltaic power generation.

However, the existing optimal inclination photovoltaic tracking device is still immature, and has disadvantages such as complex structure, high failure rate, difficulty in later maintenance, and high cost.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides a new track-type optimal inclination photovoltaic tracking device, which can adjust the inclination angle of the photovoltaic panel to the optimal inclination angle of the day, thereby improving the efficiency of photovoltaic power generation, and has a simple structure, low manufacturing cost, and easy control High precision and easy maintenance.

The technical scheme of the utility model is:

A new track-type optimal inclination photovoltaic tracking device is characterized in that it includes a slide rail mechanism, a tracking mechanism, a photovoltaic panel fixing frame, and a controller;

The slide mechanism includes a pair of horizontal slide rails, a pair of vertical slide rails, a horizontal slide rail fixing frame, and a vertical slide rail fixing frame; the pair of horizontal slide rails are arranged in parallel, and the pair of horizontal slide rails The vertical slide rails are connected by multiple horizontal slide rail fixing frames; the pair of vertical slide rails are arranged in parallel, and the pair of vertical slide rails are connected by vertical slide rail fixing frames; The vertical slide rails are respectively fixedly connected to the pair of horizontal slide rails on the inner side of the lower end;

Described tracking mechanism comprises transmission mechanism and sliding mechanism, and described transmission mechanism comprises screw mandrel, screw nut connecting rod, coupling, stepper motor, and described sliding mechanism comprises a pair of small pulleys, a pair of large pulleys, a pair of The pulley connecting frame, a pair of small pulley shafts, and a pair of large pulley shafts; the upper end of the screw rod penetrates into the reserved hole on the vertical slide rail fixing frame, and the lower end of the screw rod is connected with the The rotor of the stepping motor is connected, the lower end of the stepping motor is fixed on the horizontal slide rail fixing frame, and the stepping motor is electrically connected with the controller; the screw nut connecting rod is provided with a The radial threaded through hole, the screw rod and the threaded through hole cooperate with each other; the pair of pulley connecting frames are provided with upper end through holes at the upper end and lower end through holes at the lower end, and the screw nut connecting rod Pass through the upper end through holes of the pair of pulley connectors at both ends;

Both ends of the screw nut connecting rod are provided with radial through holes and axial grooves, the pair of small pulley shafts pass through the center of the pair of small pulleys respectively, and the pair of small pulley shafts respectively pass through the center of the pair of small pulleys. Cooperate with the radial through holes at both ends of the screw nut connecting rod, the pair of small pulleys respectively extend into the axial grooves at the two ends of the screw nut connecting rod at the end close to the screw nut connecting rod , the pair of small pulleys are respectively slidably connected to the pair of vertical slide rails at the end far away from the connecting rod of the screw nut; The two pulleys are all connected by large pulley shafts, the middle parts of the pair of large pulley shafts are respectively connected with the lower end through holes of the pair of pulley connecting frames, and the pair of large pulleys are slidably connected on the pair of horizontal slide rails. superior;

The photovoltaic panel fixing frame is used to fix a plurality of photovoltaic panels, and the photovoltaic panel fixing frame is connected to the pair of pulley connecting frames through a plurality of connecting shafts on both sides of the photovoltaic panel fixing frame.

The pair of vertical slide rails are respectively welded or screwed to the pair of horizontal slide rails on the inner side of the lower end.

The vertical sliding rail fixing frame is fixedly connected with a transmission mechanism protection frame parallel to the vertical sliding rail below, and the transmission mechanism protection frame is fixedly connected with the horizontal sliding rail fixing frame below the stepping motor at the lower end, The screw, coupling and stepping motor are all arranged inside the protective frame of the transmission mechanism, and the two ends of the connecting rod of the screw nut pass through the two sides of the protective frame of the transmission mechanism respectively.

The beneficial effects of the utility model are:

(1) The utility model drives the screw mandrel to rotate through the control of the stepper motor by the controller, and the screw mandrel drives the screw mandrel nut connecting rod to move up and down, and further drives the small pulley and the large pulley to slide along the vertical slide rail and the horizontal slide rail respectively, As a result, the photovoltaic panels fixed on the photovoltaic panel fixing frame are driven to change the inclination angle. The maintenance personnel of the photovoltaic power station can adjust the inclination angle of the photovoltaic panel to the optimal inclination angle of the day based on the local historical light data to maximize the reception of solar radiation energy, thereby improving the efficiency of photovoltaic power generation and increasing the photovoltaic power generation efficiency. Station revenue.

(2) The utility model has the advantages of simple structure, low manufacturing cost, high control precision and easy maintenance, and is suitable for photovoltaic power stations of various scales.

Description of drawings

Fig. 1 is a schematic structural view of a novel track-type optimal inclination photovoltaic tracking device in an embodiment of the present invention;

Fig. 2 is the rear view of the novel track-type optimal inclination angle photovoltaic tracking device in the embodiment of the utility model;

Fig. 3 is a structural schematic diagram of the transmission mechanism of the new track-type optimal inclination angle photovoltaic tracking device in the embodiment of the utility model;

Fig. 4 is a structural schematic diagram of the sliding mechanism of the new track-type optimal inclination angle photovoltaic tracking device in the embodiment of the utility model;

Fig. 5 is a schematic diagram of the connection structure of the small pulley and the screw nut connecting rod of the new track-type optimal inclination photovoltaic tracking device in the embodiment of the utility model.

In the figure, 1-horizontal slide rail, 2-vertical slide rail, 3-1-horizontal slide rail fixing frame, 3-2-vertical slide rail fixing frame, 3-3-transmission mechanism protection frame, 4- Screw nut connecting rod, 5-photovoltaic panel fixed frame, 6-screw rod, 7-small pulley, 8-big pulley, 9-1-small pulley shaft, 9-2-big pulley shaft, 10-stepping motor, 11-coupling, 12-pulley connecting frame, 13-connecting shaft.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Fig. 1 and Fig. 2, they are the structural schematic diagram and the rear view of the new track-type optimal inclination photovoltaic tracking device in the embodiment of the utility model, respectively. The utility model's novel track-type optimal inclination photovoltaic tracking device is characterized in that it includes a slide rail mechanism, a tracking mechanism, a photovoltaic panel fixing frame 5, and a controller.

The slide mechanism includes a pair of horizontal slide rails 1, a pair of vertical slide rails 2, a horizontal slide rail fixing frame 3-1, and a vertical slide rail fixing frame 3-2; the pair of horizontal slide rails 1 are arranged in parallel, and the pair of horizontal slide rails 1 are connected by multiple horizontal slide rail fixing frames 3-1; the pair of vertical slide rails 2 are arranged in parallel, and the pair of vertical slide rails 2 They are connected by a vertical slide rail fixing frame 3-2; the pair of vertical slide rails 2 are respectively fixedly connected with the pair of horizontal slide rails 1 on the inner side of the lower end.

The pair of vertical slide rails 2 are respectively welded or screwed to the pair of horizontal slide rails 1 on the inner side of the lower end. In this embodiment, the pair of vertical slide rails 2 are respectively welded to the pair of horizontal slide rails 1 on the inner side of the lower end.

Described tracking mechanism comprises transmission mechanism and sliding mechanism, and the structure of transmission mechanism and sliding mechanism is shown in Figure 3 and Figure 4 respectively, and described transmission mechanism comprises screw mandrel 6, screw mandrel nut connecting rod 4, shaft coupling 11, step Into the motor 10, the sliding mechanism includes a pair of small pulleys 7, a pair of large pulleys 8, a pair of pulley connectors 12, a pair of small pulley shafts 9-1, a pair of large pulley shafts 9-2; 6 penetrates into the reserved hole on the vertical slide rail fixing frame 3-2 at the upper end, and the screw rod 6 is connected with the rotor of the stepping motor 10 through a coupling 11 at the lower end, and the stepping motor 10 The lower end is fixed on the horizontal slide rail fixing frame 3-1, and the stepper motor 10 is electrically connected to the controller; the screw nut connecting rod 4 is provided with a radial threaded through hole in the middle, The screw mandrel 6 cooperates with the threaded through hole; the pair of pulley connecting frames 12 are provided with an upper end through hole at the upper end and a lower end through hole at the lower end, and the screw nut connecting rod 4 is respectively provided at both ends. Pass through the upper end through holes of the pair of pulley connecting frames 12 . In this embodiment, the model of the controller is TI DSP TMS320F28335.

The connection structure between the small pulley 7 and the screw nut connecting rod 4 in this embodiment is shown in FIG. 5 . Both ends of the screw nut connecting rod 4 are provided with radial through holes and axial grooves, and the pair of small pulley shafts 9-1 respectively pass through the centers of the pair of small pulleys 7, and the one The pair of small pulley shafts 9-1 are respectively matched with the radial through holes at both ends of the screw nut connecting rod 4, and the pair of small pulleys 7 extend into the wire at one end close to the screw nut connecting rod 4 respectively. In the axial grooves at both ends of the rod nut connecting rod 4, the pair of small pulleys 7 are respectively slidably connected to the pair of vertical slide rails 2 at the end far away from the screw nut connecting rod 4; The double pulley structure is adopted for the large pulley 8, and the two sub-pulleys of each large pulley 8 are connected by the large pulley shaft 9-2, and the middle parts of the pair of large pulley shafts 9-2 are connected with the pair of pulley connecting frames respectively. The lower end of 12 is connected through holes, and the pair of large pulleys 8 are slidably connected on the pair of horizontal slide rails 1 .

The photovoltaic panel fixing frame 5 is used to fix a plurality of photovoltaic panels, and the photovoltaic panel fixing frame 5 is connected to the pair of pulley connecting frames 12 through a plurality of connecting shafts 13 on both sides of the photovoltaic panel fixing frame 5 respectively.

In this embodiment, the vertical slide rail fixing frame 3-2 is fixedly connected with a transmission mechanism protection frame 3-3 parallel to the vertical slide rail 2 at the bottom, and the transmission mechanism protection frame 3-3 is at the lower end Fixedly connected with the horizontal slide rail fixing frame 3-1 below the stepping motor 10, the screw mandrel 6, the shaft coupling 11, and the stepping motor 10 are all arranged inside the transmission mechanism protection frame 3-3, and the screw mandrel The nut connecting rod 4 passes through both sides of the transmission mechanism protection frame 3-3 at both ends.

Wherein, the large pulley 8 and the small pulley 7 can rotate freely, and the screw mandrel 6 is driven by the stepping motor 10 to rotate freely: when the stepping motor 10 rotates clockwise, the screw mandrel 6 drives the screw nut connecting rod 4 to descend; When the motor 10 rotates counterclockwise, the screw mandrel 6 drives the screw nut connecting rod 4 to rise. When the screw nut connecting rod 4 descends or rises, the large pulley 8 slides forward or backward along the horizontal slide rail 1 under the drive of the pulley connecting frame 12, and the small pulley 7 slides downward or upward along the vertical slide rail 2 , thereby changing the inclination angle of the photovoltaic panel on the photovoltaic panel fixing frame 5 until it is adjusted to the best inclination angle of the local sunshine.

The working principle of the present utility model is illustrated below in conjunction with accompanying drawing:

In engineering applications, the maintenance personnel of the photovoltaic power station query the local historical light data of the day to obtain the best inclination angle of the photovoltaic panel of the day. Based on this, the controller controls the stepping motor 10 to rotate clockwise or counterclockwise, and drives the wire through the coupling 11. The rod 6 rotates, the rotation of the screw rod 6 causes the screw nut connecting rod 4 to descend or rise, the large pulley 8 slides forward or backward along the horizontal slide rail 1, and the small pulley 7 slides down or upward along the vertical slide rail 2 , until the inclination angle of the photovoltaic panel is adjusted to the best inclination angle of the local day, the controller controls the stepper motor 10 to stop rotating. In this way, the optimal inclination angle of the photovoltaic panel can be maintained, and the light energy conversion efficiency can be improved.

Apparently, the above-mentioned embodiments are only some of the embodiments of the present invention, but not all of them. The above-mentioned embodiments are only used to explain the utility model, and do not constitute a limitation to the protection scope of the utility model. Based on the above-mentioned embodiments, all other embodiments obtained by those skilled in the art without creative work, that is, all modifications, equivalent replacements and improvements made within the spirit and principles of this application are all Fall within the scope of protection required by the utility model.

Claims (3)

1. A new track-type optimal inclination photovoltaic tracking device, characterized in that it includes a slide rail mechanism, a tracking mechanism, a photovoltaic panel fixing frame, and a controller; The slide mechanism includes a pair of horizontal slide rails, a pair of vertical slide rails, a horizontal slide rail fixing frame, and a vertical slide rail fixing frame; the pair of horizontal slide rails are arranged in parallel, and the pair of horizontal slide rails The vertical slide rails are connected by multiple horizontal slide rail fixing frames; the pair of vertical slide rails are arranged in parallel, and the pair of vertical slide rails are connected by vertical slide rail fixing frames; The vertical slide rails are respectively fixedly connected to the pair of horizontal slide rails on the inner side of the lower end; Described tracking mechanism comprises transmission mechanism and sliding mechanism, and described transmission mechanism comprises screw mandrel, screw nut connecting rod, coupling, stepper motor, and described sliding mechanism comprises a pair of small pulleys, a pair of large pulleys, a pair of The pulley connecting frame, a pair of small pulley shafts, and a pair of large pulley shafts; the upper end of the screw rod penetrates into the reserved hole on the vertical slide rail fixing frame, and the lower end of the screw rod passes through the coupling with the The rotor of the stepping motor is connected, the lower end of the stepping motor is fixed on the horizontal slide rail fixing frame, and the stepping motor is electrically connected with the controller; the screw nut connecting rod is provided with a The radial threaded through hole, the screw rod and the threaded through hole cooperate with each other; the pair of pulley connecting frames are provided with upper end through holes at the upper end and lower end through holes at the lower end, and the screw nut connecting rod Pass through the upper end through holes of the pair of pulley connectors at both ends; Both ends of the screw nut connecting rod are provided with radial through holes and axial grooves, the pair of small pulley shafts pass through the center of the pair of small pulleys respectively, and the pair of small pulley shafts respectively pass through the center of the pair of small pulleys. Cooperate with the radial through holes at both ends of the screw nut connecting rod, the pair of small pulleys respectively extend into the axial grooves at the two ends of the screw nut connecting rod at the end close to the screw nut connecting rod , the pair of small pulleys are respectively slidably connected to the pair of vertical slide rails at the end far away from the connecting rod of the screw nut; The two pulleys are all connected by large pulley shafts, the middle parts of the pair of large pulley shafts are respectively connected with the lower end through holes of the pair of pulley connecting frames, and the pair of large pulleys are slidably connected on the pair of horizontal slide rails. superior; The photovoltaic panel fixing frame is used to fix a plurality of photovoltaic panels, and the photovoltaic panel fixing frame is connected to the pair of pulley connecting frames through a plurality of connecting shafts on both sides of the photovoltaic panel fixing frame. 2. The novel track-type optimal inclination photovoltaic tracking device according to claim 1, characterized in that the pair of vertical slide rails are respectively welded or screwed to the pair of horizontal slide rails on the inner side of the lower end. 3. The novel track-type optimal inclination photovoltaic tracking device according to claim 1, characterized in that, the vertical slide rail fixing frame is fixedly connected with a transmission mechanism protection frame parallel to the vertical slide rail below, The lower end of the transmission mechanism protection frame is fixedly connected with the horizontal slide rail fixing frame below the stepping motor, the screw rod, coupling, and stepping motor are all arranged inside the transmission mechanism protection frame, and the screw nut is connected The two ends of the rod pass through the two sides of the transmission mechanism protection frame respectively.