CN221614871U - Ponding formula braced system is prevented to solar photovoltaic panel - Google Patents

Abstract

The utility model discloses a water accumulation preventing type supporting system suitable for a solar photovoltaic panel, which comprises a photovoltaic panel unit and a bracket, wherein the bracket is provided with a bearing edge, the photovoltaic panel unit is borne on the bearing edge of the bracket and forms a drainage barrier, the bracket is provided with a water guide part used for pressing and fixing the photovoltaic panel unit and guiding rainwater to the drainage barrier so as to be discharged rapidly, the bracket also comprises supporting edges bent at two sides of the bearing edge, the bottom of the supporting edge is provided with a drainage groove, the drainage groove is connected with a base body below through a fastening piece, and a first space which does not lose the complete drainage path of the drainage groove is arranged between the fastening piece and the drainage groove. Has the advantages of simple structure, stability, reliability and good drainage and seepage prevention effects.

Description

Ponding formula braced system is prevented to solar photovoltaic panel

Technical Field

The utility model mainly relates to a solar photovoltaic power generation technology, in particular to an anti-ponding type support system suitable for a solar photovoltaic panel.

Background

Solar energy is energy generated by the continuous nuclear fusion reaction process of black seeds in the sun or on the surface. 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 various other forms of energy. The power obtained from solar energy is obtained by performing photoelectric conversion by a solar cell.

Photovoltaic panels are often mounted on the roof of buildings over large areas to receive sunlight and produce electrical energy. Under specific conditions, the roof can be replaced by a photovoltaic panel covered on the top surface of the building, so that the effect of shielding wind and rain is achieved. However, the photovoltaic panels cannot be infinitely enlarged in area due to the limitations of manufacturing process and transportation conditions, so that it is difficult to cover the entire building with a single panel, and thus, splicing between the photovoltaic panels is required. In the prior art, in order to cope with the downward seepage of rainwater from the seam, the gap treatment method between the photovoltaic panels is to directly inject sealant into the gap, the photovoltaic panels are only bonded by the sealant, and when vibration and expansion and contraction occur, the photovoltaic panels pull the sealant, so that the sealant and the photovoltaic panels are loosened, the gap is generated, and then the rainwater leaks from the gap. Therefore, a stable and reliable stent system with water guiding function is needed.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide the water accumulation prevention type support system which has the advantages of simple structure, good water prevention and seepage prevention effect and stable and reliable structure and is suitable for a solar photovoltaic panel.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a prevent ponding type braced system suitable for solar photovoltaic panel, includes photovoltaic panel unit and support, have on the support and bear the limit, photovoltaic panel unit bears the weight of the limit and constitutes drainage barrier at the support, install on the support and be used for compressing tightly fixed photovoltaic panel unit and can lead rainwater to drainage barrier in order to quick exhaust water guide piece, the support is still including buckling the supporting edge in bearing limit both sides, supporting edge bottom shaping has the water drainage tank, the water drainage tank passes through the fastener and is connected with the base member of below, and has the first space that does not lose the complete drainage path of water drainage tank between fastener and the water drainage tank.

As a further improvement of the above technical scheme:

The photovoltaic panel unit comprises a photovoltaic panel and a photovoltaic frame wrapping the edge of the photovoltaic panel, light Fu Biankuang is borne on the bearing edge, and the water guide pressing piece is pressed on the photovoltaic frame and is fixedly connected with the support through the anchor.

And water guide slope surfaces are formed on two sides of the water guide pressure piece.

The fastener comprises a pressing plate and a fastening bolt, one end of the pressing plate is pressed in the drainage groove, the other end of the pressing plate is pressed on the base body below, the fastening bolt penetrates through the pressing plate and is fixedly connected with the base body below, and a first space which does not lose the complete drainage path of the drainage groove is formed between the pressing plate and the drainage groove.

The clamp plate includes the limit of connecting and buckles the blank holder in the limit both sides of connecting, and two blank holders are pressed respectively on the base member and in the water drainage tank, fastening bolt wears to establish on the connecting edge and with base member fastening connection, is located the blank holder in the water drainage tank and has the first space that does not lose the complete drainage path of water drainage tank between the water drainage tank.

The first space which does not lose the complete drainage path of the drainage tank is formed between the pressing edge in the drainage tank and the outer side edge of the drainage tank, and a section of drainage path which is higher than the first space is formed between the pressing edge and the inner side edge of the drainage tank.

A drainage cavity is formed between the bearing edges on the support, and the drainage cavity is connected with the water guide part through the anchor.

A second space is arranged between the anchor and the drainage cavity, and the second space does not lose the complete drainage path of the drainage cavity.

The anchor pulling piece comprises an anchor pulling bolt and an anchor pulling nut, the drainage cavity is arranged to be an anchor pulling cavity, a screw head of the anchor pulling bolt is positioned in an anchor pulling groove, a screw body of the anchor pulling bolt is arranged on the water guide pressing piece in a penetrating mode, the anchor pulling nut is fastened with a penetrating end thread of the anchor pulling bolt, and a second space which does not lose the whole drainage path of the drainage cavity is formed between the bottom of the screw head of the anchor pulling bolt and the bottom of the anchor pulling cavity.

The anchor pulling cavity is arranged as a rectangular inner expanding cavity, and the screw head of the anchor pulling bolt is reversely buckled in the rectangular inner expanding cavity.

The fastener comprises a pressing plate and a fastening bolt, one end of the pressing plate is pressed above the drainage groove and is in fastening connection with the supporting edge through the fastening bolt, the other end of the pressing plate is pressed on the base body below and is in fastening connection with the base body through another fastening bolt, and a first space which does not lose the complete drainage path of the drainage groove is arranged between the pressing plate and the drainage groove.

The pressing plate comprises a connecting edge and pressing edges bent at two sides of the connecting edge, one pressing edge is pressed on the supporting edge and is in fastening connection with the supporting edge through a fastening bolt, the other pressing edge is pressed on the base body, the connecting edge is in fastening connection with the base body through another fastening bolt, and a first space which does not lose the complete drainage path of the drainage groove is arranged above the drainage groove and between the connecting edge and the drainage groove.

The pressing edge in the drainage groove and the bottom edge of the drainage groove form the first space without losing the complete drainage path of the drainage groove, and a section of drainage path higher than the first space is formed above the pressing edge.

The bottom of the blank holder positioned in the drainage groove is provided with an arc groove structure forming the first space.

The bottom of the blank holder positioned in the drainage groove is provided with a plurality of groove-shaped structures which form the first space.

The utility model provides a prevent ponding type braced system suitable for solar photovoltaic panel, includes photovoltaic panel unit and support, have on the support and bear the limit, photovoltaic panel unit bears the weight of the limit and constitutes drainage barrier at the support, install on the support and be used for compressing tightly fixed photovoltaic panel unit and can lead rainwater to drainage barrier in order to quick exhaust water guide piece, the support is still including buckling the supporting edge in bearing limit both sides, supporting edge bottom shaping has the water drainage tank, water drainage tank lateral part shaping has the extension limit that does not lose the complete drainage path of water drainage tank, the extension limit is connected with the base member of below through the fastener.

As a further improvement of the above technical scheme:

The fastening piece comprises a fastening bolt, and the fastening bolt penetrates through the extending edge and is in fastening connection with the base body.

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

When the anti-ponding type support system suitable for the solar photovoltaic panel is installed, the support is firstly erected and fixed on the base body of the top surface of a building through the fastener, then the photovoltaic panel units are borne on the bearing edges of the support and are pressed and fixed through the water guide pressure piece, so that the installation and fixation of the photovoltaic panel units are realized, and the top surface of the building is covered through the photovoltaic panel units. Compared with the traditional structure, the photovoltaic panel units are borne on the bearing edges of the brackets to form the drainage barrier, and the water guide parts are pressed on the two photovoltaic panel units to guide rainwater to the drainage barrier, so that the rainwater is quickly discharged along the gradient of the roof, the rainwater is prevented from accumulating between the photovoltaic panel units and the brackets and between the photovoltaic panel units and the water guide parts, the rainwater infiltration is reduced, in addition, the drainage grooves are formed at the bottoms of the brackets, a first space for forming a complete drainage path between the fastening pieces for fixing the brackets and the drainage grooves is avoided, the condition that the drainage path in the drainage grooves is blocked by the fastening pieces to cause rainwater accumulation overflow is avoided, the rainwater which is infiltrated downwards is smoothly discharged, and the waterproof and seepage-stopping effects of the whole structure are further improved. The ponding-proof supporting system is simple in structure, and compared with the gap glue injection between photovoltaic panels in the traditional structure, the water-proof supporting system is more stable and reliable in water-proof mode of diversion and drainage through the water-guiding pressure piece and water-collecting and drainage of the drainage groove.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a partial schematic structure of embodiment 1 of the present utility model.

Fig. 3 is a schematic diagram of the bracket installation of embodiment 1 of the present utility model.

Fig. 4 is a partial schematic structural view of embodiment 2 of the present utility model.

Fig. 5 is a partial schematic structure of embodiment 3 of the present utility model.

Fig. 6 is a partial schematic structural view of embodiment 4 of the present utility model.

Fig. 7 is a partial schematic structure of embodiment 5 of the present utility model.

The reference numerals in the drawings denote:

1. A photovoltaic panel unit; 11. a photovoltaic panel; 12. light Fu Biankuang; 2. a bracket; 21. a carrying edge; 22. a support edge; 23. a drainage channel; 231. an extension edge; 24. a drainage cavity; 3. a water guide pressing member; 31. a water guiding slope; 4. a fastener; 41. a pressing plate; 411. connecting edges; 412. edge pressing; 42. a fastening bolt; 5. a base; 6. a first space; 7. pulling an anchor; 71. an anchor bolt is pulled; 72. pulling an anchor nut; 8. and a second space.

Detailed Description

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

Example 1:

As shown in fig. 1 to 3, the water accumulation preventing type support system for a solar photovoltaic panel of this embodiment includes a photovoltaic panel unit 1 and a support 2, the support 2 has a carrying edge 21, the photovoltaic panel unit 1 is carried on the carrying edge 21 of the support 2 and forms a drainage barrier, a water guiding member 3 for pressing and fixing the photovoltaic panel unit 1 and guiding rainwater to the drainage barrier for quick drainage is installed on the support 2, the support 2 further includes supporting edges 22 bent at both sides of the carrying edge 21, a drainage groove 23 is formed at the bottom of the supporting edges 22, the drainage groove 23 is connected with a base body 5 below through a fastening member 4, and a first space 6 without losing the complete drainage path of the drainage groove 23 is provided between the fastening member 4 and the drainage groove 23. During installation, the support 2 is firstly erected and fixed on the base body 5 of the top surface of the building through the fastener 4, then the photovoltaic panel units 1 are borne on the bearing edges 21 of the support 2 and are pressed and fixed through the water guide pressure piece 3, so that the installation and fixation of the photovoltaic panel units 1 are realized, and the coverage of the top surface of the building is formed through the photovoltaic panel units 1. Compared with the traditional structure, the photovoltaic panel unit 1 of the embodiment is born on the bearing edge 21 of the bracket 2 to form a drainage barrier, and is pressed on the two photovoltaic panel units 1 through the water guide pressure piece 3, rainwater is guided to the drainage barrier, so that the rainwater is quickly discharged along the gradient of the roof, the rainwater is prevented from accumulating between the photovoltaic panel unit 1 and the bracket 2 and between the photovoltaic panel unit 1 and the water guide pressure piece 3, the rainwater infiltration is reduced, in addition, the drainage groove 23 is formed at the bottom of the bracket 2, a first space 6 for forming a complete drainage path between the fastening piece 4 and the drainage groove 22 for fixing the bracket 2 is avoided, the condition that the rainwater is accumulated and overflowed due to the partition of the drainage path in the drainage groove 23 by the fastening piece 4 is avoided, the downward-infiltrated rainwater can be smoothly discharged, and the waterproof and seepage-stopping effect of the whole structure is further improved. The ponding-proof supporting system is simple in structure, and compared with the gap glue injection between photovoltaic panels in the traditional structure, the water-proof mode of diversion drainage through the water guide pressure piece 3 and water collection drainage through the water drainage groove 23 is more stable and reliable.

In this embodiment, the photovoltaic panel unit 1 includes a photovoltaic panel 11 and a photovoltaic frame 12 wrapped around the edge of the photovoltaic panel 11, where the photovoltaic frame 12 is carried on the carrying edge 21, and the water guiding member 3 is pressed on the photovoltaic frame 12 and is fastened to the bracket 2 by the anchor 7. In this structure, through water guide pressure spare 3 with photovoltaic frame 12 pressure put on bearing limit 21, make photovoltaic frame 12, water guide pressure spare 3, bear the whole atress of limit 21, under the prerequisite that satisfies structural strength, can realize the lightweight design of photovoltaic frame 12, reduce its cost, through draw anchor 7 locking water guide pressure spare 3 and drive it compress tightly the photovoltaic frame 12 and fix on bearing limit 21, its simple operation, firm in connection are reliable.

In this embodiment, the water guiding slopes 31 are formed on both sides of the water guiding member 3. The slope water guide and drainage effect is good, and rainwater accumulation is avoided.

In this embodiment, the fastening member 4 includes a pressing plate 41 and a fastening bolt 42, one end of the pressing plate 41 is pressed in the drain groove 23, and the other end is pressed on the lower base 5, the fastening bolt 42 is penetrated on the pressing plate 41 and is fastened to the lower base 5, and a first space 6 is provided between the pressing plate 41 and the drain groove 23, wherein the first space does not lose the complete drain path of the drain groove 23. The water draining groove 23 is fastened and connected on the base body 5 through the pressing plate 41 and the fastening bolt 42, the operation is simple, the connection is firm, the disassembly is convenient, the first space 6 is arranged between the pressing plate 41 and the water draining groove 23 to form a complete water draining path in the water draining groove 23, and the design is ingenious.

In this embodiment, the pressing plate 41 includes a connecting edge 411 and pressing edges 412 bent at two sides of the connecting edge 411, the two pressing edges 412 are respectively pressed on the base 5 and in the drainage groove 23, the fastening bolt 42 is inserted on the connecting edge 411 and is fastened to the base 5, and a first space 6 is provided between the pressing edge 412 in the drainage groove 23 and the drainage groove 23 without losing the complete drainage path of the drainage groove 23. The two pressing edges 412 are respectively pressed on the base body 5 and in the drainage groove 23, so that the pressing plate 41, the base body 5 and the drainage groove 23 are ensured to have enough connection area, the connection strength is ensured, and the structure is simple, the design is ingenious, and the connection is firm.

In this embodiment, a first space 6 is formed between the pressing edge 412 in the drain groove 23 and the outer side edge of the drain groove 23 without losing the complete drain path of the drain groove 23, and a section of drain path higher than the first space 6 is formed between the pressing edge 412 and the inner side edge of the drain groove 23. In this structure, rainwater can flow away from the first space 6 at the junction, can also flow away from the drainage path that forms between the blank 412 and the medial side of water drainage tank 23, has further improved the unobstructed nature of rainwater in water drainage tank 23 at the junction, prevents that the rainwater from piling up.

In this embodiment, a drainage cavity 24 is formed between the bearing edges 21 on the bracket 2, and the drainage cavity 24 is connected with the water guide member 3 through the anchor 7. In this structure, the drainage cavity 24 further improves the drainage and seepage prevention effects, and the water guide member 3 is locked by the anchor 7, so that the connection is firm and reliable.

In this embodiment, there is a second space 8 between the anchor 7 and the drainage chamber 24 that does not lose the complete drainage path of the drainage chamber 24. A second space 8 is formed between the draw anchor 7 and the drainage chamber 23 to form a complete drainage path within the drainage chamber 24, avoiding the situation where a blockage to the drainage path at the junction causes rainwater to accumulate and overflow.

In this embodiment, the anchor 7 includes an anchor bolt 71 and an anchor nut 72, the drainage cavity 24 is set as an anchor cavity, the screw head of the anchor bolt 71 is located in the anchor groove, the screw body of the anchor bolt 71 is threaded on the water guide member 3, the anchor nut 72 is screwed with the threaded end of the anchor bolt 71, and a second space 8 without losing the complete drainage path of the drainage cavity 24 is provided between the bottom of the screw head of the anchor bolt 71 and the bottom of the anchor cavity. The device has the advantages of simple structure, ingenious design and firm and reliable connection.

In this embodiment, the anchor-pulling cavity is a rectangular inner-expanding cavity, and the screw head of the anchor-pulling bolt 71 is inversely fastened in the rectangular inner-expanding cavity. The device is simple in structure, convenient to install and operate and firm and reliable in connection.

Example 2:

fig. 4 shows a second embodiment of the water accumulation preventing support system for solar photovoltaic panels according to the present utility model, which is substantially identical to embodiment 1, except that:

In this embodiment, the fastener 4 includes a pressing plate 41 and a fastening bolt 42, one end of the pressing plate 41 is pressed above the drain groove 23 and is fastened to the supporting edge 22 by the fastening bolt 42, the other end of the pressing plate 41 is pressed on the underlying base 5 and is fastened to the base 5 by another fastening bolt 42, and a first space 6 is provided between the pressing plate 41 and the drain groove 23 without losing the complete drain path of the drain groove 23. The structure is simple, the design is ingenious, the connection strength is ensured, and meanwhile, the fastening piece 4 is prevented from blocking the drainage path in the drainage groove 23.

In this embodiment, the pressing plate 41 includes a connecting edge 411 and pressing edges 412 bent at two sides of the connecting edge 411, wherein one pressing edge 412 presses on the supporting edge 22 and is fastened to the supporting edge 22 by the fastening bolt 42, the other pressing edge 412 presses on the base 5, the connecting edge 411 is fastened to the base 5 by the other fastening bolt 42, the connecting edge 411 is located above the drain groove 23, and a first space 6 without losing the complete drain path of the drain groove 23 is provided between the connecting edge 411 and the drain groove 23. In this structure, the connecting edge 411 is located above the drain groove 23, and does not hinder the drain in the drain groove 23, and the drain effect is better.

Example 3:

fig. 5 shows a third embodiment of the water accumulation preventing support system for solar photovoltaic panels according to the present utility model, which is substantially identical to embodiment 1, except that:

In this embodiment, the pressing edge 412 located in the drain groove 23 and the bottom edge of the drain groove 23 form a first space 6 without losing the complete drain path of the drain groove 23, and a section of drain path higher than the first space 6 is formed above the pressing edge 412. In this structure, rainwater can flow and drain from the first space 6 at the junction, and also can flow and drain from the drainage path formed above the pressing edge 412, further improving the smoothness of the rainwater in the drainage groove 23 at the junction, and preventing rainwater accumulation.

In this embodiment, the bottom of the pressing edge 412 located in the drain groove 23 is formed with an arc groove structure forming the first space 6. The structure is simple and the molding is easy.

Example 4:

Fig. 6 shows a fourth embodiment of the water accumulation preventing support system for solar photovoltaic panels according to the present utility model, which is substantially identical to embodiment 1, except that:

In this embodiment, a plurality of groove structures constituting the first space 6 are formed at the bottom of the pressing edge 412 located in the drain groove 23. The novel water draining device is simple in structure and ingenious in design, the space size of the first space 6 is improved through the groove-shaped structures, and the water draining effect is improved.

Example 5:

Fig. 7 shows a fifth embodiment of the water accumulation preventing support system for solar photovoltaic panels according to the present utility model, which is substantially identical to embodiment 1, except that:

The ponding type braced system that prevents suitable for solar photovoltaic panel of this embodiment, including photovoltaic panel unit 1 and support 2, bear limit 21 has on the support 2, photovoltaic panel unit 1 bears on the limit 21 that bears of support 2 and constitutes the drainage barrier, install on the support 2 and be used for compressing tightly fixed photovoltaic panel unit 1 and can lead rainwater to the drainage barrier in order to discharge fast water guide spare 3, support 2 still includes the supporting edge 22 of buckling in the limit 21 both sides that bears, the shaping of supporting edge 22 bottom has water drainage tank 23, water drainage tank 23 lateral part shaping has the extension limit 231 that does not lose the complete drainage path of water drainage tank 23, extension limit 231 is connected with the base member 5 of below through fastener 4. During installation, the support 2 is firstly erected and fixed on the base body 5 of the top surface of the building through the fastener 4, then the photovoltaic panel units 1 are borne on the bearing edges 21 of the support 2 and are pressed and fixed through the water guide pressure piece 3, so that the installation and fixation of the photovoltaic panel units 1 are realized, and the coverage of the top surface of the building is formed through the photovoltaic panel units 1. Compared with the traditional structure, the photovoltaic panel unit 1 of the embodiment is born on the bearing edge 21 of the bracket 2 to form a drainage barrier, and is pressed on the two photovoltaic panel units 1 through the water guide pressure piece 3, rainwater is guided to the drainage barrier, so that the rainwater is quickly discharged along the gradient of the roof, the rainwater is prevented from accumulating between the photovoltaic panel unit 1 and the bracket 2 and between the photovoltaic panel unit 1 and the water guide pressure piece 3, the rainwater infiltration is reduced, in addition, the bottom of the bracket 2 is provided with the drainage groove 23, and the extending edge 231 is connected with the matrix 5 through the arrangement of the side part of the drainage groove 23, the condition that the rainwater is accumulated and overflowed due to the partition of the drainage path in the drainage groove 23 by the fastener 4 is avoided, the rainwater which is infiltrated downwards can be smoothly discharged, and the waterproof and seepage-preventing effect of the whole structure is further improved. The ponding-proof supporting system is simple in structure, and compared with the gap glue injection between photovoltaic panels in the traditional structure, the water-proof mode of diversion drainage through the water guide pressure piece 3 and water collection drainage through the water drainage groove 23 is more stable and reliable.

In this embodiment, the fastener 4 includes a fastening bolt 42, and the fastening bolt 42 is disposed through the extension edge 231 and fastened to the base 5. The operation is simple, and the connection is firm.

While the utility model has been described in terms of preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims (17)

1. Ponding formula braced system is prevented to being applicable to solar photovoltaic panel, its characterized in that: including photovoltaic panel unit (1) and support (2), have on support (2) and bear limit (21), photovoltaic panel unit (1) bear on the limit (21) that bear of support (2) and constitute drainage barrier, install on support (2) and be used for compressing tightly fixed photovoltaic panel unit (1) and can lead rainwater to drainage barrier in order to quick exhaust water guide casting die (3), support (2) still include to buckle supporting edge (22) in the limit (21) both sides of bearing, supporting edge (22) bottom shaping has water drainage tank (23), water drainage tank (23) are connected with base member (5) of below through fastener (4), and have between fastener (4) and water drainage tank (23) and do not lose first space (6) of the complete drainage path of water drainage tank (23).

2. The anti-water back-up system for solar photovoltaic panels according to claim 1, wherein: the photovoltaic panel unit (1) comprises a photovoltaic panel (11) and light Fu Biankuang (12) coated on the edge of the photovoltaic panel (11), the light Fu Biankuang (12) is borne on the bearing edge (21), and the water guide pressure piece (3) is pressed on the light Fu Biankuang (12) and is fixedly connected with the bracket (2) through the anchor (7).

3. The anti-water back-up system for solar photovoltaic panels according to claim 2, wherein: the two sides of the water guide pressing piece (3) are provided with water guide slope surfaces (31).

4. A water accumulation resistant support system for solar photovoltaic panels as in claim 3 wherein: the fastener (4) comprises a pressing plate (41) and a fastening bolt (42), one end of the pressing plate (41) is pressed in the drainage groove (23), the other end of the pressing plate is pressed on the base body (5) below, the fastening bolt (42) is arranged on the pressing plate (41) in a penetrating mode and is in fastening connection with the base body (5) below, and a first space (6) which does not lose the whole drainage path of the drainage groove (23) is arranged between the pressing plate (41) and the drainage groove (23).

5. The anti-water back-up system for solar photovoltaic panels according to claim 4, wherein: the pressing plate (41) comprises a connecting edge (411) and pressing edges (412) bent at two sides of the connecting edge (411), the two pressing edges (412) are respectively pressed on the base body (5) and in the drainage groove (23), the fastening bolts (42) are arranged on the connecting edge (411) in a penetrating mode and are fixedly connected with the base body (5), and a first space (6) which does not lose the complete drainage path of the drainage groove (23) is arranged between the pressing edges (412) in the drainage groove (23) and the drainage groove (23).

6. The anti-water back-up system for solar photovoltaic panels according to claim 5, wherein: the first space (6) which does not lose the complete drainage path of the drainage groove (23) is formed between the pressing edge (412) in the drainage groove (23) and the outer side edge of the drainage groove (23), and a section of drainage path which is higher than the first space (6) is formed between the pressing edge (412) and the inner side edge of the drainage groove (23).

7. The anti-water back-up system for a solar photovoltaic panel of claim 6, wherein: a drainage cavity (24) is formed between the bearing edges (21) on the support (2), and the drainage cavity (24) is internally connected with the water guide pressure piece (3) through the anchor pulling piece (7).

8. The anti-water back-up system for a solar photovoltaic panel according to claim 7, wherein: a second space (8) which does not lose the complete drainage path of the drainage cavity (24) is arranged between the anchor (7) and the drainage cavity (24).

9. The anti-water back-up system for a solar photovoltaic panel according to claim 8, wherein: draw anchor (7) including draw anchor bolt (71) and draw anchor nut (72), drainage chamber (24) set up to draw the anchor chamber, draw the spiral shell head of anchor bolt (71) to be located and draw the anchor inslot, draw the spiral shell body of anchor bolt (71) to wear to locate on water guide pressure spare (3), draw anchor nut (72) and draw the wearing of anchor bolt (71) to establish end screw thread fastening, draw to have between the spiral shell head bottom of anchor bolt (71) and the drainage chamber bottom and not lose second space (8) of drainage chamber (24) completion drainage route.

10. The anti-water back-up system for solar photovoltaic panels according to claim 9, wherein: the anchor pulling cavity is a rectangular inner expanding cavity, and the screw head of the anchor pulling bolt (71) is reversely buckled in the rectangular inner expanding cavity.

11. A water accumulation resistant support system for solar photovoltaic panels as in claim 3 wherein: the fastener (4) comprises a pressing plate (41) and a fastening bolt (42), one end of the pressing plate (41) is pressed above the drainage groove (23) and is in fastening connection with the supporting edge (22) through the fastening bolt (42), the other end of the pressing plate (41) is pressed on the base body (5) below and is in fastening connection with the base body (5) through the other fastening bolt (42), and a first space (6) which does not lose the complete drainage path of the drainage groove (23) is arranged between the pressing plate (41) and the drainage groove (23).

12. The anti-water back-up system for solar photovoltaic panels according to claim 11, wherein: the pressing plate (41) comprises a connecting edge (411) and pressing edges (412) bent at two sides of the connecting edge (411), one pressing edge (412) is pressed on the supporting edge (22) and is fixedly connected with the supporting edge (22) through a fastening bolt (42), the other pressing edge (412) is pressed on the base body (5), the connecting edge (411) is fixedly connected with the base body (5) through another fastening bolt (42), the connecting edge (411) is located above the drainage groove (23), and a first space (6) which does not lose the complete drainage path of the drainage groove (23) is formed between the connecting edge (411) and the drainage groove (23).

13. The anti-water back-up system for solar photovoltaic panels according to claim 5, wherein: the pressing edge (412) positioned in the drainage groove (23) and the bottom edge of the drainage groove (23) form the first space (6) without losing the complete drainage path of the drainage groove (23), and a section of drainage path higher than the first space (6) is formed above the pressing edge (412).

14. The anti-water back-up system for solar photovoltaic panels according to claim 13, wherein: an arc groove structure forming the first space (6) is formed at the bottom of the pressing edge (412) positioned in the drainage groove (23).

15. The anti-water back-up system for solar photovoltaic panels according to claim 13, wherein: a plurality of groove-shaped structures forming the first space (6) are formed at the bottom of the pressing edge (412) positioned in the drainage groove (23).

16. Ponding formula braced system is prevented to being applicable to solar photovoltaic panel, its characterized in that: including photovoltaic panel unit (1) and support (2), bear limit (21) on support (2), photovoltaic panel unit (1) bear on the limit (21) of bearing of support (2) and constitute drainage barrier, install on support (2) and be used for compressing tightly fixed photovoltaic panel unit (1) and can lead rainwater to drainage barrier in order to quick exhaust water guide casting die (3), support (2) are still including buckling supporting edge (22) in the limit (21) both sides of bearing, supporting edge (22) bottom shaping has water drainage tank (23), water drainage tank (23) lateral part shaping has extension limit (231) that does not lose the complete drainage path of water drainage tank (23), extension limit (231) are connected with matrix (5) of below through fastener (4).

17. The anti-water back-up system for a solar photovoltaic panel according to claim 16, wherein: the fastening piece (4) comprises a fastening bolt (42), and the fastening bolt (42) penetrates through the extension edge (231) and is in fastening connection with the base body (5).