CN217935501U

CN217935501U - Photovoltaic panel support system

Info

Publication number: CN217935501U
Application number: CN202221245322.9U
Authority: CN
Inventors: 敬海泉; 曾世钦
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-11-29
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a photovoltaic panel braced system comprises a plurality of support element along vertical the linking, and the support element includes two rows of support frames of locating ground immediately along vertical interval to and stride locate between, be used for carrying on photovoltaic panel's N group and bear the weight of the cable, and the support element still includes that N group strides and locates the cable of holding in the palm on between the support frame, and a plurality of bracers have been installed to the interval between cable of holding in the palm on and the bearing cable, and the cable of holding in the palm on is tight state, exerts ascending power to bearing the weight of the cable through the bracer. Through setting up the last cable that holds in the palm that has upwards resilience trend, be the state of tightening to utilize the carriage to link to each other it with the carrier cable that is located the same group, when last cable that holds in the palm produced ascending power because of resilience, alright transmit this power to carrier cable through the carriage, be equivalent to carrying out ascending support to carrier cable, thereby can effectively reduce the sag of carrier cable, promote the bearing capacity of carrier cable.

Description

Photovoltaic panel support system

Technical Field

The utility model mainly relates to a photovoltaic power generation technical field especially relates to a photovoltaic panel braced system.

Background

Solar energy is energy generated by a continuous nuclear fusion reaction process of black seeds in or on the surface of the sun. The solar energy has the advantages of sufficient resources, long service life, wide distribution, safety, cleanness, reliable technology and the like, and the application range is very wide because the solar energy can be converted into energy in various other forms. The electric power is obtained from solar energy, and is realized by performing photoelectric conversion through a solar cell. The photovoltaic panel is a device for directly converting solar energy into electric energy by utilizing a photovoltaic effect generated by a semiconductor material under an illumination condition, is the most direct one of a plurality of solar energy utilization modes, and most of materials are silicon. The solar photovoltaic power generation can generate power in places with sunlight, so the solar photovoltaic power generation is suitable for various occasions from large power stations to small portable chargers and the like. However, despite the huge reserves of solar energy, the proportion of the electricity produced by human beings using solar energy to the total consumption of global energy is still quite small, only about 0.16%. Therefore, the solar cell panel material with low price and high efficiency is actively developed, the photoelectric conversion rate is improved, the world energy and environment crisis can be solved, and the solar cell panel material has great use value and practical significance.

In order to reduce the weight, cost and simplify installation, existing photovoltaic panel support systems gradually replace the metal frame form with a wire rope support form. Because the cable wire is flexible material, under the effect of photovoltaic panel and cable wire self gravity, when the span is great, the cable wire easily sinks the bending to cause the photovoltaic panel to press close to ground, and swing under the wind-force effect. When the photovoltaic panel is close to the ground, the utilization of the ground below is limited, and when the swing occurs, the collision damage between the photovoltaic panels may be caused by the difference of the swing frequencies. Accordingly, the prior art mostly adopts a method for shortening the span for adjustment, but the method greatly increases the construction cost due to the increase of the number of the upright posts and occupies more land resources. Therefore, how to improve the bearing capacity of the steel cable and reduce the sinking and bending amplitude of the steel cable due to load on the premise of not increasing the number of the vertical rods and not changing the span becomes a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a photovoltaic panel braced system that load capacity is excellent.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a photovoltaic panel supporting system is formed by longitudinally connecting a plurality of supporting units, wherein each supporting unit comprises two rows of supporting frames which are vertically arranged on the ground at intervals along the longitudinal direction, N groups of bearing cables which are arranged between the supporting frames in a spanning mode and used for carrying photovoltaic panels, the supporting units further comprise N groups of upper supporting cables which are arranged between the supporting frames in a spanning mode, a plurality of supporting frames are arranged between the upper supporting cables and the bearing cables at intervals, and the upper supporting cables are in a tight state and exert upward force on the bearing cables through the supporting frames.

As a further improvement of the above technical solution:

the support frame includes that N horizontal interval erects the bracing piece of locating the ground, is located with arranging the bracing piece top is erect a rigid cross beam altogether.

The bearing cables between the adjacent supporting frames are longitudinally tensioned to be linear or approximately linear, each group of bearing cables has two channels, and the end parts of the bearing cables are connected with the cross beam.

The bearing cables between the adjacent support frames are tightened along the longitudinal direction and are in a linear shape or an approximate linear shape, each group of the bearing cables has two channels, one end part is connected with the cross beam, and the other end part is connected with the upper support piece arranged at intervals upwards on the cross beam.

The upper supporting pieces are respectively formed on the same side of the corresponding supporting rods.

The outboard ends of the load carrying cables connected to the end beams extend outboard and are anchored.

The upper supporting cables between the adjacent supporting frames are tightened along the longitudinal direction to form an arc shape with an upward opening, and the end parts of the upper supporting cables are connected with the cross beam.

The connecting point of the supporting frame and the bearing cable is higher than the connecting point of the supporting frame and the upper supporting cable.

The supporting frame is polygonal, the top edge of the supporting frame is connected with the bearing rope, and the bottom edge or the end point of the bottom of the supporting frame is connected with the upper supporting rope.

The supporting frames positioned in the same row are connected through the rod pieces to form a whole.

The supporting system further comprises a stay cable, one end of the stay cable is connected with the end cross beam, and the other end of the stay cable is anchored towards the outer side.

The supporting unit also comprises N groups of lower pressing ropes which are arranged between the adjacent supporting frames in a spanning manner and connected with lower supporting pieces formed by the cross beams at intervals downwards; the lower pressing rope is in an arc shape with a downward opening, and the lower pressing rope is connected with the passing supporting frame and applies downward force to the passing supporting frame.

Two sides of each supporting rod are symmetrically formed with a lower supporting piece which can be used for pulling a lower pressing rope; each group of the lower pressing cables has two, the end parts of the lower pressing cables are connected with the bottom end of the lower supporting piece, and the middle parts of the lower pressing cables are connected with the waist part of the passing supporting frame.

The bottom ends of the lower supporting pieces are connected through a cross rod.

A lower supporting piece for drawing the lower pressing cables is formed between the adjacent supporting rods, a broken line-shaped connecting rod is formed between the adjacent supporting frames, one lower pressing cable is arranged in each group, the end part of each lower pressing cable is connected with the bottom end of the lower supporting piece, and the middle part of each lower pressing cable is connected with the passing connecting rod.

Compared with the prior art, the utility model has the advantages of:

the existing supporting system only depends on the bearing cables to bear the gravity of the photovoltaic panel and transmit the gravity to the supporting frame, and when the span between the supporting frames is large, the bearing cables are pressed by the self weight and the gravity of the photovoltaic panel to droop. Through setting up the last cable that holds in the palm that has upwards resilience trend, be the state of tightening to utilize the carriage to link to each other it with the carrier cable that is located the same group, when last cable that holds in the palm produced ascending power because of resilience, alright transmit this power to carrier cable through the carriage, be equivalent to carrying out ascending support to carrier cable, thereby can effectively reduce the sag of carrier cable, promote the bearing capacity of carrier cable.

Drawings

Fig. 1 is a schematic structural view of a photovoltaic panel support system in a first embodiment;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a partial schematic view of a photovoltaic panel support system in a second embodiment;

FIG. 4 is a partial schematic view of a photovoltaic panel support system according to a third embodiment;

FIG. 5 is a partial schematic view of a photovoltaic panel support system in a fourth embodiment;

fig. 6 is a partial schematic view of a photovoltaic panel support system in a fifth embodiment.

The reference numerals in the figures denote: 1. a support frame; 11. a support bar; 12. a cross beam; 13. an upper support member; 14. a lower support; 15. a cross bar; 2. a load bearing cable; 3. an upper supporting cable; 4. a support frame; 41. a rod member; 42. a connecting rod; 5. a photovoltaic panel; 6. a cable; 7. and pressing the rope.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

Example 1

As shown in fig. 1 and 2, the photovoltaic panel supporting system of the present embodiment is formed by connecting a plurality of supporting units in a longitudinal direction, wherein each supporting unit includes two rows of supporting frames 1 erected on the ground at intervals in the longitudinal direction, and N groups of carrying cables 2 spanned therebetween for carrying photovoltaic panels 5, the supporting unit further includes N groups of upper supporting cables 3 spanned between the supporting frames 1, a plurality of supporting frames 4 are installed between the upper supporting cables 3 and the carrying cables 2 at intervals, and the upper supporting cables 3 are in a tight state and apply upward force to the carrying cables 2 through the supporting frames 4. The existing support system only depends on the carrier cable 2 to bear the gravity of the photovoltaic panel 5 and transmit the gravity to the support frame 1, and when the span between the support frames 1 is large, the carrier cable 2 sags under the self-weight and the gravity pressure of the photovoltaic panel 5. By arranging the upper supporting cable 3 which has upward rebounding tendency and is in a tight state and connecting the upper supporting cable 3 with the bearing cable 2 in the same group by using the supporting frame 4, when the upper supporting cable 3 generates upward force due to rebounding, the force can be transmitted to the bearing cable 2 through the supporting frame 4, which is equivalent to upward supporting of the bearing cable 2, so that the sag of the bearing cable 2 can be effectively reduced, and the bearing capacity of the bearing cable 2 can be improved.

In this embodiment, the supporting frame 1 includes N supporting rods 11 erected on the ground at a lateral interval, and a rigid cross beam 12 is erected on the top ends of the supporting rods 11 in the same row. Crossbeam 12 intersects in proper order and forms fixed connection, forms wholly with the bracing piece 11 of arranging with, has greatly improved the lateral stability of bracing piece 11. Furthermore, the beam 12 is arranged, and a foundation is provided for the installation of the bearing rope 2 and the upper supporting rope 3.

Preferably, the cross beam 12 is made of i-steel, and the cross beam 12 is welded with the support rod 11.

In the embodiment, the bearing cables 2 between the adjacent support frames 1 are longitudinally tensioned to be linear or approximately linear, two bearing cables 2 are arranged in each group, and the end parts of the bearing cables 2 are connected with the cross beam 12. In order to reduce the sag, the bearing ropes 2 arranged between the adjacent support frames 1 are tensioned and tightened to be in a straight line shape (due to the self-weight influence, or slightly drooping to be in an approximate straight line shape), the photovoltaic panel 5 is in a rectangular plate-shaped structure, two bearing ropes 2 with the distance equal to or close to the length of the photovoltaic panel 5 are arranged in parallel for convenient installation, the photovoltaic panel 5 is laid on the bearing ropes, and two ends of each bearing rope 2 are connected with one bearing rope through buckles.

In this embodiment, the outer ends of the load carrying cables 2 connected to the end cross member 12 extend outward and are anchored. Under the pulling action of the bearing rope 2, the support frame 1 has the tendency of turning inwards, and in order to balance the tendency to avoid the support frame 1 from toppling, the end part of the bearing rope 2 extends outwards and is anchored, so that the support frame 1 is pulled reversely to realize the force balance.

Preferably, the carrying cables 2 in the same group in different supporting units can be whole steel cables, the cross beam 12 is provided with holes, and the carrying cables 2 penetrate through the holes of the cross beam 12 at one end and respectively penetrate through the supporting units and then penetrate out of the holes of the cross beam 12 at the other end.

In the embodiment, the upper supporting cables 3 between the adjacent supporting frames 1 are tightened along the longitudinal direction to form an arc shape with an upward opening, and the end parts of the upper supporting cables 3 are connected with the cross beam 12. The connecting point of the supporting frame 4 and the carrying cable 2 is higher than that of the supporting frame 4 and the upper supporting cable 3. The supporting frame 4 is polygonal, the top edge of the supporting frame is connected with the bearing rope 2, and the bottom edge or the bottom end of the supporting frame is connected with the upper supporting rope 3. The upper cable 3 is in the form of an upwardly open arc having a tendency to rebound upwardly to reduce sag, which tendency generates an upward force on the support frame 4 and will be transferred to the carrier cable 2 to perform a bearing function. Since the photovoltaic panel 5 is laid on the carrier cable 2, in order to avoid interference between the upper supporting cable 3 or the supporting frame 4 and the photovoltaic panel 5, the two are disposed below the carrier cable 2, so that the connection point of the supporting frame 4 and the carrier cable 2 is higher than the connection point of the supporting frame 4 and the upper supporting cable 3. In this embodiment, the supporting frame 4 is pentagonal, a horizontal cross rod is formed at the top of the supporting frame, a pair of vertical rods is formed by bending two ends of the horizontal cross rod downwards, two inclined rods with bottom ends connected are formed by bending two ends of the vertical rods downwards, two bearing cables 2 are respectively connected with two end points of the horizontal cross rod, and the upper supporting cable 3 is connected with a bottom end connection point of the inclined rods. Because the support frame 4 is in a centrosymmetric pattern, the bearing cables 2 are symmetrically distributed along the symmetric axis of the support frame 4, and the upper supporting cables 3 are positioned on the symmetric axis of the support frame 4, the transverse force can be balanced, and the stability of the support system can be improved. In other embodiments, the support frame 4 may also be arranged in a quadrilateral shape.

In this embodiment, the support frames 4 in the same row are connected to form a whole by the rod member 41. The supporting frames 4 on the same row are connected into a rigid whole by arranging the rod piece 41, and when the supporting frames 4 are influenced by external transverse force, the supporting frames 4 are mutually restrained, so that the transverse stability can be effectively enhanced.

Preferably, there are two rod members 41, one of which communicates with the junction between the vertical rod and the diagonal rod of each support frame 4, and the other communicates with the bottom end of the diagonal rod of each support frame 4.

In this embodiment, the supporting unit further includes N groups of lower pressing cables 7 spanning between adjacent supporting frames 1 and connected to lower supporting members 14 formed by the cross beam 12 at intervals downward; the lower pressing rope 7 is in an arc shape with a downward opening, and the lower pressing rope 7 is connected with the passing supporting frame 4 and applies downward force to the passing supporting frame. When wind blows over the upper surface of the photovoltaic panel 5, lift force is generated, the magnitude of the lift force is changed instantaneously, and the lift force and the gravity of the photovoltaic panel 5 jointly act to cause the bearing rope 2 to shake vertically and influence the stability of the system. Through setting up the state of tightening and being the downward arc shape of opening push cable 7, utilize the trend of push cable 7 rebound downwards to resist the lift that the wind current produced to can reduce or even eliminate the shake, promote the stability of system effectively.

Example 2

As shown in fig. 3, the second embodiment of the photovoltaic panel supporting system of the present invention is substantially the same as embodiment 1, except that: in this embodiment, the carrying cables 2 between adjacent supporting frames 1 are longitudinally tensioned to be linear or approximately linear, each group of carrying cables 2 has two ends, one end is connected with the cross beam 12, and the other end is connected with the upper supporting member 13 arranged at an upward interval on the cross beam 12. The upper supporting members 13 are respectively formed on the same side of the corresponding supporting rods 11. By arranging the upper support part 13, the plane of the carrying cable 2 and the cross beam 12 form an included angle, so that a more light irradiation angle is obtained. In one embodiment, the cross beam 12 is arranged horizontally, and the plane of the load bearing rope 2 forms an included angle of 15 degrees with the cross beam 12. Accordingly, the top bar of the support frame 4 is correspondingly inclined.

Preferably, the upper support 13 is provided as a rod, and the bottom end of the upper support 13 is welded to the cross beam 12.

In this embodiment, the support system further comprises a cable 6, one end of the cable 6 is connected with the end cross beam 12, and the other end of the cable is anchored towards the outside. Under the pulling action of the bearing ropes 2, the support frame 1 has the tendency of turning inwards, and in order to balance the tendency and avoid the support frame 1 from falling, the pull ropes 6 are arranged to pull the support frame 1 reversely so as to balance the force.

Example 3

As shown in fig. 4, the third embodiment of the photovoltaic panel supporting system of the present invention is substantially the same as embodiment 2, except that: in this embodiment, two sets of lower supporting members 14 for pulling the lower push cables 7 are symmetrically formed on two sides of each supporting rod 11; each set of the lower pressing cables 7 has two ends connected with the bottom end of the lower supporting member 14 and the middle part connected with the waist part of the passing supporting frame 4. By providing the lower support 14, a mounting base is provided for the end of the lower push cable 7. Meanwhile, in order to enhance the stability of the lower supporting member 14, the lower supporting member 14 is connected at the bottom end thereof via a cross bar 15, and the cross bar 15 is connected to the supporting bar 11. Preferably, the lower support 14 is provided as a rod, the top end of the lower support 14 being welded to the cross beam 12.

In this embodiment, the support frame 4 is a quadrangle, and includes the horizontal down tube that is located the upper end, and horizontal down tube both ends are bent downwards and are formed the vertical pole respectively, and two vertical pole bottoms link to each other through the horizontal cross-bar in order to constitute confined quadrangle support frame 4. The lower pressing cables 7 are respectively connected with the middle parts of the vertical rods, and the upper supporting cables 3 are respectively connected with the bottom ends of the vertical rods.

Example 4

As shown in fig. 5, the photovoltaic panel supporting system according to the fourth embodiment of the present invention is substantially the same as embodiment 2, except that: in this embodiment, a lower support member 14 for pulling the lower wires 7 is formed between the adjacent support rods 11, a polygonal-line-shaped link 42 is formed between the adjacent support frames 4, and one lower wire 7 is provided for each group, and the end portion thereof is connected to the bottom end of the lower support member 14 and the middle portion thereof is connected to the passing link 42. By providing the lower support 14, a mounting base is provided for the end of the lower push cable 7. Preferably, the lower support 14 is provided as a rod, the top end of the lower support 14 being welded to the cross beam 12.

In this embodiment, the support frame 4 is a quadrangle and includes an oblique cross rod located at the top, a first diagonal rod is formed by bending the upper end of the oblique cross rod downward, the bottom end of the first diagonal rod is flush with the lower end of the oblique cross rod, and a second diagonal rod connected with the two bottom ends is formed by bending the first diagonal rod and the lower end of the oblique cross rod downward. Two lower pressing cables 7 are respectively connected with two end points of the oblique cross rod, and the upper supporting cable 3 is connected with the intersection point of the second oblique rod.

Example 5

As shown in fig. 6, the fifth embodiment of the photovoltaic panel supporting system of the present invention is substantially the same as embodiment 2, except that: in this embodiment, a lower support member 14 for pulling the lower wires 7 is formed between the adjacent support rods 11, a polygonal-shaped link 42 is formed between the adjacent support frames 4, and one lower wire 7 is connected to the lower end of the lower support member 14 at its end and to the passing link 42 at its middle. By providing the lower support 14, a mounting base is provided for the end of the lower push cable 7. Preferably, the lower support 14 is provided as a rod, the top end of the lower support 14 being welded to the cross beam 12.

The support frame 4 is quadrilateral, and comprises a transverse diagonal rod positioned at the upper end, the two ends of the transverse diagonal rod are bent downwards to form vertical rods respectively, and the bottom ends of the two vertical rods are connected through a horizontal cross rod to form the closed quadrilateral support frame 4. The lower pressing cables 7 are respectively connected with the middle part of the vertical rod, and the upper supporting cables 3 are respectively connected with the bottom end of the vertical rod.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a photovoltaic panel braced system, is formed by connecting along vertical by a plurality of support element, support element includes two rows along vertical interval upright support frame (1) on ground to and stride and locate between, be used for carrying on N group carrier cable (2) of photovoltaic panel (5), its characterized in that: the supporting unit also comprises N groups of upper supporting cables (3) arranged among the supporting frames (1) in a spanning mode, a plurality of supporting frames (4) are arranged between the upper supporting cables (3) and the bearing cables (2) at intervals, and the upper supporting cables (3) are in a tight state and exert upward force on the bearing cables (2) through the supporting frames (4).

2. The photovoltaic panel support system of claim 1, wherein: the supporting frame (1) comprises N supporting rods (11) which are vertically arranged on the ground at transverse intervals, and a rigid cross beam (12) is erected on the top ends of the supporting rods (11) in the same row.

3. The photovoltaic panel support system of claim 2, wherein: the bearing cables (2) between the adjacent support frames (1) are longitudinally tightened to be linear or approximately linear, two bearing cables (2) are arranged in each group, and the end parts of the bearing cables are connected with the cross beam (12).

4. The photovoltaic panel support system of claim 2, wherein: the bearing cables (2) between the adjacent support frames (1) are longitudinally tightened to be linear or approximately linear, each group of bearing cables (2) has two ends, one end is connected with the cross beam (12), and the other end is connected with the upper supporting piece (13) arranged on the cross beam (12) at an upward interval.

5. The photovoltaic panel support system of claim 4, wherein: the upper supporting pieces (13) are respectively formed on the same side of the corresponding supporting rods (11).

6. The photovoltaic panel support system of claim 2, wherein: the outer ends of the bearing ropes (2) connected with the end cross beams (12) extend towards the outer side and are anchored.

7. The photovoltaic panel support system of claim 2, wherein: the upper supporting cables (3) between the adjacent supporting frames (1) are tightened along the longitudinal direction to form an arc shape with an upward opening, and the end parts of the upper supporting cables (3) are connected with the cross beam (12).

8. The photovoltaic panel support system of claim 2, wherein: the connecting point of the supporting frame (4) and the bearing cable (2) is higher than the connecting point of the supporting frame (4) and the upper supporting cable (3).

9. The photovoltaic panel support system of claim 8, wherein: the supporting frame (4) is polygonal, the top edge of the supporting frame is connected with the bearing rope (2), and the bottom edge or the bottom end point of the supporting frame is connected with the upper supporting rope (3).

10. The photovoltaic panel support system of claim 9, wherein: the supporting frames (4) positioned in the same row are connected into a whole through a rod piece (41).

11. The photovoltaic panel support system of claim 2, wherein: the supporting system further comprises a stay cable (6), one end of the stay cable (6) is connected with the end cross beam (12), and the other end of the stay cable faces the outside anchoring ground.

12. The photovoltaic panel support system of any of claims 2-11, wherein: the supporting unit also comprises N groups of lower pressing cables (7) which are arranged between the adjacent supporting frames (1) in a spanning mode and connected with lower supporting pieces (14) formed by the cross beam (12) at intervals downwards; the lower pressing rope (7) is in an arc shape with a downward opening, and the lower pressing rope (7) is connected with the passing supporting frame (4) and applies downward force to the passing supporting frame.

13. The photovoltaic panel support system of claim 12, wherein: two sides of each supporting rod (11) are symmetrically formed and are used for drawing a lower supporting piece (14) of the lower pressing rope (7); each group of the lower pressing cables (7) has two, the end parts of the lower pressing cables are connected with the bottom end of the lower supporting piece (14), and the middle parts of the lower pressing cables are connected with the waist part of the passing supporting frame (4).

14. The photovoltaic panel support system of claim 13, wherein: the bottom ends of the lower supporting pieces (14) are connected through a cross rod (15).

15. The photovoltaic panel support system of claim 12, wherein: a lower supporting piece (14) for pulling the lower pressing cables (7) is formed between the adjacent supporting rods (11), a fold line-shaped connecting rod (42) is formed between the adjacent supporting frames (4), one lower pressing cable (7) is arranged in each group, the end part of each lower pressing cable is connected with the bottom end of the lower supporting piece (14), and the middle part of each lower pressing cable is connected with the passing connecting rod (42).