CN219436927U - Single-column photovoltaic tracking device supported by multiple points - Google Patents

Abstract

A single-upright-column photovoltaic tracking device with multi-point support comprises an upright column, and a photovoltaic module arranged on the top of the upright column through a connecting part and a main shaft; the number of the upright posts is single; a push rod device is also connected between the main shaft and the upright post; the main shaft rotates in the circumferential direction under the telescopic action of the push rod device; according to the utility model, the photovoltaic module is supported by the single upright post, and the main shaft is driven to rotate by the photovoltaic module under the pushing or shrinking action of the push rod device, so that the photovoltaic module rotates east or west along with the main shaft, the photovoltaic module is ensured to accurately track the altitude angle of the sun, the vertical solar energy receiving of the photovoltaic panel is greatly improved, and the generated energy is improved. Meanwhile, an accurate high wind speed signal is provided through a wind speed sensor, and the controller controls the push rod device to level the photovoltaic panel, so that the whole system is protected and system safety is provided under a high wind state.

Description

Single-column photovoltaic tracking device supported by multiple points

Technical Field

The utility model belongs to the technical field of solar photovoltaic brackets, and particularly relates to a single-upright-column photovoltaic tracking device with an inclination angle.

Background

In China, the year 2050 proposes that the carbon neutralization standard is reached, the photovoltaic industry becomes one of the most important new energy industries under the carbon neutralization background, and the photovoltaic support system currently comprises a fixed support system, a fixed adjustable support system and a tracking support system. With the rise of user photovoltaics, the single-upright tracking support system is widely applied, and the tracking efficiency, the tracking precision and the tracking stability of the single-upright tracking support system in the market at present are higher.

The traditional single-upright post tracking bracket adopts a double-shaft tracking type, works through a double-shaft tracking type speed reducer, can theoretically control the bracket to carry out 360-degree all-round tracking, but has the advantages of complex structure, high manufacturing cost, immature technical application, narrow market application range, and frequent structural problem collapse event due to overlarge overturning force, thereby not only affecting power generation, but also causing property loss of damaged power generation systems.

In view of this, the present utility model has been developed.

Disclosure of Invention

The utility model aims to provide a multipoint-support single-column photovoltaic tracking device which can be arranged on any small-area land and can effectively solve the problem that a traditional tracking bracket cannot be applied to a small-scale photovoltaic power station and a user photovoltaic.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a single-upright-column photovoltaic tracking device with multi-point support comprises an upright column, and a photovoltaic module arranged on the top of the upright column through a connecting part and a main shaft; the device is characterized in that the number of the upright posts is single; a push rod device is also connected between the main shaft and the upright post; the main shaft rotates in the circumferential direction under the telescopic action of the push rod device.

One end of the push rod device is fixed at the middle section of the main shaft through the swing arm backboard and the swing arm side plate, and the other end of the push rod device is fixed on the upright post through a bolt.

The connecting component comprises a plurality of support beams and U-shaped connecting pieces, wherein the support beams are fixedly arranged on the top of the upright post through fasteners, the plurality of U-shaped connecting pieces are sequentially spanned on the support beams to be fixed, and bearing components are respectively fixedly arranged on the U-shaped connecting pieces.

The main shaft sequentially passes through the bearing component, and the main shaft performs circumferential rotation in the bearing component.

The main shaft on be provided with the array guide rail evenly at intervals in proper order, install the photovoltaic board on the guide rail, in order to increase the support strength of guide rail, still be provided with the slant support frame between main shaft and guide rail, further increase the stabilization of photovoltaic board.

The lower part of the main shaft is fixedly provided with a controller through a hooping, one end cover of the main shaft is provided with a shaft end cover, and the other end cover is provided with a wind speed sensor through a bracket; an astronomical algorithm and an inclination angle sensor are arranged in the controller, and a signal wire of the wind speed sensor is connected with the controller.

The bearing component comprises a bearing seat, a bearing arranged in the bearing seat, and a bearing upper shoe coated above the bearing, and a bearing reinforcing plate for fixing the bearing seat.

The wind speed sensor is fixed through the support, the support avoids the photovoltaic panel and is arranged at the highest position of the tracking device structure, the wind speed sensor is guaranteed to be positioned at the highest position, and accuracy of wind speed signals is guaranteed.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the photovoltaic module is supported by the single upright post, and the main shaft is driven to rotate by the photovoltaic module under the pushing or shrinking action of the push rod device, so that the photovoltaic module rotates east or west along with the main shaft, the photovoltaic module is ensured to accurately track the altitude angle of the sun, the vertical solar energy receiving of the photovoltaic panel is greatly improved, and the generated energy is improved. Meanwhile, an accurate high wind speed signal is provided through a wind speed sensor, and the controller controls the push rod device to level the photovoltaic panel, so that the whole system is protected and system safety is provided under a high wind state.

Drawings

FIG. 1 is a schematic diagram of the present utility model.

Fig. 2 is a schematic installation diagram of the upright post, the main shaft and the pushing device in the utility model.

Fig. 3 is a schematic view of the installation of the column and the main shaft in the present utility model.

Fig. 4 is an enlarged schematic view at B in fig. 1.

Fig. 5 is an enlarged schematic view at a in fig. 1.

Fig. 6 is a schematic view of a bearing component in the present utility model.

In the figure: 1. a photovoltaic panel; 2. a guide rail; 3. a main shaft; 4. a push rod device; 5. a column; 6. a bracket; 7. a wind speed sensor; 8. a rain cover; 9. a swing arm backboard; 10. swing arm side plates; 11. a bearing member; 12. a controller; 13. a U-shaped connecting piece; 14. a support beam of a few types; 15. a shaft end cover; 16. an oblique support frame; 11a, bearing reinforcing plates; 11b, bearing upper bearing bush; 11c, a bearing; 11d, bearing pedestal.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The photovoltaic tracking device is an improved multi-point support single-upright tracking structure aiming at the traditional multi-upright or single-upright structure by a fixed and non-rotatable structure.

As shown in fig. 1 to 6, a single-upright-column photovoltaic tracking device with multi-point support comprises an upright column 5, a single main shaft 3, a single upright column 5 and a photovoltaic module; a push rod device 4 is also connected between the main shaft 3 and the upright post 5; the spindle 3 rotates in the radial direction of the shaft under the telescopic action of the push rod device 4. The utility model is very suitable for household use, public places and mountain scenes with large gradient.

As shown in fig. 1 and 5, the upper end of the push rod device 4 is fixed at the middle section of the main shaft 3 through a swing arm backboard 9 and a swing arm side plate 10, and the other end of the push rod device 4 is fixed on the upright post 5 through a bolt; the upper end of the push rod device 4 is also electrically connected with the controller 12, and the controller 12 controls the push rod device 4 to perform telescopic action.

As shown in fig. 2 and 4, the top of the upright 5 is provided with a plurality of support beams 14 and U-shaped connectors 13, the support beams 14 are fixedly arranged on the top of the upright 5 through fasteners, a plurality of U-shaped connectors 13 are sequentially arranged on the support beams 14 in a crossing manner, the U-shaped connectors 13 are respectively fixedly provided with a bearing component 11, and the number of the bearing components 11 is matched with that of the U-shaped connectors 13.

As shown in fig. 3, the main shaft 3 sequentially passes through a plurality of bearing parts 11, the main shaft 3 performs circumferential rotation in the bearing parts 11, and the rotational driving force of the main shaft 3 is driven by means of a push rod device.

As shown in fig. 1, the main shaft 3 is sequentially and uniformly provided with a plurality of groups of guide rails 2 at intervals, the guide rails 2 are provided with photovoltaic panels 1, and in order to increase the supporting strength of the guide rails 2, an oblique supporting frame 16 is further arranged between the main shaft 3 and the guide rails 2, so that the stabilizing effect of the photovoltaic panels 1 is further increased. The main shaft 3, the guide rail 2 and the photovoltaic panel 1 form a rotary integral photovoltaic assembly.

A controller 12 is arranged below the main shaft 3 through hooping and fastening, a shaft end cover is arranged at one end head of the main shaft 3, and a wind speed sensor 7 is arranged at the other end head of the main shaft through a bracket 6; an astronomical algorithm and an inclination angle sensor are arranged in the controller 12, and a signal wire of the wind speed sensor 7 is connected with the controller 12; the astronomical algorithm is a normal operation technology, the astronomical algorithm can accurately calculate the current altitude angle and azimuth angle of the sun, the inclination sensor can monitor the rotation angle of the main shaft 3 in real time, when the rotation angle deviates from a target angle, the controller 12 sends an instruction to the push rod device 4 to control the push rod device 4 to extend or shorten, so that the main shaft 3 drives the photovoltaic module to rotate eastward or westward, the photovoltaic module can accurately track the altitude angle of the sun, the main shaft 3 freely rotates in the bearing part 11, and the rotation limit displacement is controlled by the push rod device 4.

As shown in fig. 6, the bearing member includes a bearing housing 11d, a bearing 11c mounted inside the bearing housing 11d, a bearing upper shoe 11b coated over the bearing 11c, and a bearing reinforcing plate 11a fixing the bearing housing 11 d; the main shaft 3 is provided with 3 bearing parts 11, the upper end of the push rod device 4 is arranged on two sides of the middle bearing part through a swing arm backboard 9 and a swing arm side plate 10, a balance supporting point of the main shaft is provided, and the stability of the main shaft during rotation is ensured. After the bearing component 11 is installed, the bearing component 11 is fixed on the U-shaped connecting piece 13, the main shaft 3 penetrates into the bearing 11c, and the main shaft can rotate around the bearing component;

the wind speed sensor 7 is fixed through the support 6, the support 6 avoids the photovoltaic panel 1 and is arranged at the highest position of the tracking device structure, the wind speed sensor is guaranteed to be positioned at the highest position, and accuracy of wind speed signals is guaranteed.

The chip in the controller 12 calculates the solar altitude of the position all the year round according to longitude and latitude (astronomical algorithm), for example, the solar calendar is 7 months 8 days 10 am each year, the included angle between the sun and the ground is fixed, for example, the calculated angle is east 50 degrees, the inclination sensor in the controller 12 senses that the current tracking device angle is east 49 degrees, the controller 12 sends a command to the push rod device 4 to turn west 1 degree, and the sensed angle of the controller 12 is ensured to correspond to the calculated angle of 50 degrees. Similarly, for example, after 5 minutes, the controller astronomically calculates the angle to be east 51 °, and drives the push rod device again to face the photovoltaic panel to the east 51 °.

The signal line of the wind speed sensor 7 is connected with the controller 12, the tracking device tracks in the east-west direction, the push rod device 4 is driven to drive the spindle 3 to rotate to the target angle according to the difference between the current angle and the target angle sensed by the tilt angle sensor arranged in the controller, the spindle 3 rotates to drive the guide rail 2 and the photovoltaic panel 1 to rotate to the position vertical to the light, and the photovoltaic panel 1 is ensured to receive the maximum light.

When the wind speed reaches a certain value (for example, greater than the threshold value 18 m/s), the chip in the controller 12 sends out an instruction to drive the push rod device 4 to rotate after receiving the signal, so that the photovoltaic panel 1 rotates to a small angle (for example, horizontal discharge) to protect the photovoltaic module from being damaged by the strong wind.

During the whole working process of the tracking device, the controller 12 calculates the target angle at all times and detects the current wind speed at all times.

The support 6 is of a Z-shaped structure and is arranged below the main shaft 3, interference of the photovoltaic panel is avoided, the wind speed sensor 7 is arranged above the support 6, the wind speed sensor 7 is located at the highest position of the tracking device, interference of surrounding environments is reduced, and accuracy of wind speed signal reading of the wind speed sensor is guaranteed.

The end cover is arranged at the end part of the main shaft 3, the outer wrapping structure is designed, the outer wrapping structure is not influenced by different wall thicknesses, the outer wrapping structure can be well matched with the main shaft, meanwhile, the main shaft 3 is provided with an inclined angle, rainwater and dust can not enter the main shaft due to the outer wrapping structure, and the main shaft is prevented from being corroded.

According to the utility model, the oblique support frames 16 are symmetrically and fixedly arranged on two sides of the guide rail 2, the push rod devices are arranged between the upright posts 5 and the main shafts 3, a plurality of supporting points are added, the stability of the tracking device is greatly improved, meanwhile, the cost is low, compared with a double shaft, the cost can be reduced by more than 50%, the electricity-measuring cost is also similar to that of a flat single shaft, the generated energy of the single upright post with the oblique angle tracking is between the flat single shaft and the double shaft, and the market blank of the single upright post with the adjustable angle flat single shaft is made up.

Claims (7)

1. A single-upright-column photovoltaic tracking device with multi-point support comprises an upright column, and a photovoltaic module arranged on the top of the upright column through a connecting part and a main shaft; the device is characterized in that the number of the upright posts is single; a push rod device is also connected between the main shaft and the upright post; the main shaft rotates in the circumferential direction under the telescopic action of the push rod device.

2. The multi-point supported single-upright photovoltaic tracking device of claim 1 wherein one end of the pushrod device is secured to the central section of the main shaft by a swing arm back plate and a swing arm side plate and the other end of the pushrod device is secured to the upright by a latch.

3. The multi-point supported single-column photovoltaic tracking device according to claim 1, wherein the connecting component comprises several types of supporting beams and U-shaped connecting pieces, the several types of supporting beams are fixedly installed on the top of the column through fasteners, a plurality of U-shaped connecting pieces are sequentially fixed across the several types of supporting beams, and bearing components are fixedly installed on the U-shaped connecting pieces respectively.

4. A multi-point supported single-column photovoltaic tracking device according to claim 3 wherein the spindle passes sequentially through the bearing member and the spindle performs a circumferential rotation in the bearing member.

5. The multi-point supported single-upright photovoltaic tracking device according to claim 4, wherein a plurality of groups of guide rails are sequentially and uniformly arranged on the main shaft at intervals, photovoltaic panels are arranged on the guide rails, and an inclined support frame is further arranged between the main shaft and the guide rails for increasing the support strength of the guide rails, so that the stabilizing effect of the photovoltaic panels is further increased.

6. The multi-point supported single-column photovoltaic tracking device according to claim 4, wherein a controller is arranged below the main shaft through hooping fastening, a shaft end cover is arranged at one end cover of the main shaft, and a wind speed sensor is arranged at the other end cover of the main shaft through a bracket; an astronomical algorithm and an inclination angle sensor are arranged in the controller, and a signal wire of the wind speed sensor is connected with the controller.

7. A multi-point support single-column photovoltaic tracking device according to claim 3, wherein the bearing means comprises a bearing housing, a bearing mounted inside the bearing housing, a bearing upper shoe covering the bearing, and a bearing stiffener to secure the bearing housing.