CN212324034U

CN212324034U - Photovoltaic support and roof photovoltaic device

Info

Publication number: CN212324034U
Application number: CN202020889440.8U
Authority: CN
Inventors: 关鹏; 时晓蕾; 杨善文
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-08
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a photovoltaic support and roof photovoltaic device, wherein the photovoltaic support is including keeping out wind subassembly and support body, and the support body is including the back girder that is used for supporting the preceding girder of photovoltaic module bottom and is used for supporting the photovoltaic module top, and the subassembly that keeps out the wind is including setting up the windshield in back girder position, and the windshield has the position of keeping out the wind of the air intake that shelters from the back girder and opens the ventilation position of air intake. In the photovoltaic support that this application provided, through set up the windshield in back girder position, when the wind speed is great for when the windshield is in the fender wind position, avoid wind-force directly to blow photovoltaic module's the back, increased photovoltaic support's wind resistance.

Description

Photovoltaic support and roof photovoltaic device

Technical Field

The utility model relates to a solar energy power generation technical field, in particular to photovoltaic support. The utility model discloses still relate to a roof photovoltaic device.

Background

Photovoltaic power generation is one of new forms of energy technique, and the development is rapid, and in order to reduce photovoltaic power generation and occupy the effective usable floor area in ground, the roof photovoltaic device that sets up on the roof is more and more. Wherein roof photovoltaic device includes photovoltaic module and is used for the photovoltaic support of slope support photovoltaic module.

Specifically, including being used for supporting the preceding girder of photovoltaic module bottom and being used for supporting the back girder on photovoltaic module top between the photovoltaic, the height of back girder is greater than the height of preceding girder.

To the roof of not reserving the installation interface, the photovoltaic support has two kinds of fixed modes: one is that the bottom of the photovoltaic bracket is rigidly connected with the roof through an expansion bolt, so that the connection effect is good, but the hidden danger of roof water leakage can be caused in the later period; the other type is that the bottom of the photovoltaic bracket is provided with a balancing weight.

To the photovoltaic support that sets up the balancing weight, because directly not with roof fixed connection, and photovoltaic module slope sets up on the photovoltaic support, lead to the wind-resistance of photovoltaic support relatively poor.

Therefore, how to improve the wind resistance of the photovoltaic support is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photovoltaic support, this photovoltaic support's wind resistance improves. Another object of the utility model is to provide a roof photovoltaic device including above-mentioned photovoltaic support.

In order to realize the above object, the utility model provides a photovoltaic support, which comprises a bracket body, the support body is including the back girder that is used for supporting the front girder of photovoltaic module bottom and is used for supporting the photovoltaic module top, still including the subassembly that keeps out the wind, the subassembly that keeps out the wind is including setting up the windshield of back girder position, the windshield has and shelters from the position of keeping out the wind of the air intake of back girder and opening the ventilation position of air intake.

Preferably, the wind shield further comprises a driving device for driving the wind shield to move up and down.

Preferably, the windshield is a foldable windshield.

Preferably, the wind-proof curtain further comprises a counterweight block, so that the driving device comprises a cable, an upper fixed pulley, an upper proximity switch, a lower fixed pulley, a stop block and a motor assembly for driving the cable to move back and forth, the rear main beam is higher than the front main beam, the upper fixed pulley and the upper proximity switch are arranged at the top end of the rear main beam, the lower fixed pulley and the lower proximity switch are arranged at the bottom end of the rear main beam or on the counterweight block, the top end of the wind-proof curtain is arranged on the cable, the bottom end of the wind-proof curtain is arranged at the bottom end of the rear main beam or on the counterweight block, the cable is wound among the upper fixed pulley, the lower fixed pulley and the output end of the motor assembly in an annular shape, and the stop block is arranged on the cable and can trigger the upper proximity switch and the lower proximity switch;

when the wind screen rises to the top end limit position, the upper proximity switch is triggered, and the motor assembly stops working;

when the wind screen descends to the top end limit position, the lower approach switch is triggered, and the motor assembly stops working.

Preferably, the windshield is a louver.

Preferably, the driving device is a telescopic assembly, and a telescopic end of the telescopic assembly is connected with the top end of the windshield.

Preferably, the wind shield is a shutter door.

Preferably, the wind speed sensor is connected with the control device, the control device controls the motor assembly to work, and when the wind speed sensor senses that the wind speed exceeds a first preset value, the control device controls the driving device to drive the wind shield to move to a wind shielding position.

Preferably, the wind speed sensor is electrically connected with the wind speed sensor, and when the wind speed sensor senses that the wind speed is lower than a first preset value for a preset time, the control device controls the driving device to drive the wind shield to move to the ventilation position.

A roof photovoltaic device comprises a photovoltaic support and a photovoltaic module arranged on the photovoltaic support, wherein the photovoltaic support is any one of the photovoltaic supports.

In the technical scheme, the utility model provides a photovoltaic support, including keep out wind subassembly and support body, the support body is including the back girder that is used for supporting the front girder of photovoltaic module bottom and is used for supporting the photovoltaic module top, and the subassembly that keeps out the wind is including setting up the windshield in back girder position, and the windshield has the position of keeping out the wind of the air intake that shelters from the back girder and opens the ventilation position of air intake. When the photovoltaic support works, the wind shield is arranged at the ventilation position when the wind speed is low, the heat dissipation of the photovoltaic assembly is increased, the power generation efficiency of the photovoltaic assembly is ensured, and when the wind speed is high, the wind shield is arranged at the wind shield position and shields the air inlet of the rear main beam.

According to the photovoltaic support, the wind shield is arranged at the rear main beam position, when the wind speed is high, the wind shield is located at the wind shielding position, the back face of the photovoltaic assembly is prevented from being directly blown by wind, and the wind resistance of the photovoltaic support is improved.

Drawings

Fig. 1 is a schematic structural view of a photovoltaic support in a ventilation position according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a photovoltaic support in a wind-blocking position according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portion B shown in fig. 3.

Wherein in FIGS. 1-4: 1-a bracket body, 101-a rear main beam, 102-a front main beam, 103-a reinforcing support beam and 104-an intermediate connecting beam;

2-photovoltaic module, 3-cable, 4-upper fixed pulley, 5-upper approach switch, 6-windshield, 7-lower approach switch, 8-first balancing weight, 9-lower fixed pulley, 10-motor module, 11-second balancing weight, 12-roof and 13-baffle.

Detailed Description

The core of the utility model is to provide a photovoltaic support, this photovoltaic support's wind resistance improves. The utility model discloses a another core provides a roof photovoltaic device including above-mentioned photovoltaic support.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to fig. 4.

In a specific embodiment, the utility model provides a photovoltaic support, including keep out wind subassembly and support body 1, support body 1 is including the back girder 101 that is used for supporting the preceding girder 102 of 2 bottoms of photovoltaic module and is used for supporting 2 tops of photovoltaic module, and the subassembly that keeps out the wind is including setting up the windshield 6 in back girder 101 position, and windshield 6 installs the back at photovoltaic support promptly, and windshield 6 has the position of keeping out the wind of the air intake that shelters from back girder 101 and opens the ventilation position of air intake.

Specifically, the height of the rear main beam 101 is greater than that of the front main beam 102, that is, the height of the top end of the bracket formed by the rear main beam 101 is greater than that of the top end of the bracket formed by the front main beam 102.

In one embodiment, the photovoltaic support includes a weight, and the photovoltaic support carries the photovoltaic module 2. The photovoltaic support is connected with a counterweight, which is arranged on the roof 12.

The support body 1 further comprises an intermediate connecting beam 104 and a reinforcing supporting beam 103, the intermediate connecting beam 104 connects the front main beam 102 and the rear main beam 101, the reinforcing supporting beam 103 connects the rear main beam 101 and the intermediate connecting beam 104, the front main beam 102 and the rear main beam 101 are installed on the balancing weight, and specifically, the balancing weight comprises a first balancing weight 8 for supporting the rear main beam 101 and a second balancing weight 11 for supporting the front main beam 102. Specifically, when the windshield 6 is in the wind shielding position, the back surface of the windshield 6 is supported by the rear main beam 101, so as to improve the wind resistance of the windshield 6.

When the photovoltaic support works, when the wind speed is low, the wind shield 6 is arranged at the ventilation position, the heat dissipation of the photovoltaic assembly 2 is increased, the power generation efficiency of the photovoltaic assembly 2 is guaranteed, and when the wind speed is high, the wind shield 6 is arranged at the wind shield position and shields the air inlet of the rear main beam 101. Wherein, can personnel operate windshield 6, realize windshield 6 and open and shut. In order to reduce the labor intensity of workers, the photovoltaic bracket preferably further comprises a driving device for driving the windshield 6 to move up and down.

As can be seen from the above description, in the photovoltaic support provided in the embodiment of the present application, by providing the wind shield 6 at the rear main beam 101, when the wind speed is high, so that the wind shield 6 is in the wind shielding position, the wind is prevented from directly blowing the back of the photovoltaic module 2, and the wind resistance of the photovoltaic support is increased.

In one embodiment, the windshield 6 is a foldable windshield. Specifically, in order to reduce the folded floor space of the windshield 6, the windshield is preferably folded in a Z-shape. Wherein the windshield curtain can be for opening and shutting the state from top to bottom, and when the windshield curtain was in the position of ventilating promptly, the whole top or the bottom that are in photovoltaic support of windshield curtain, when the windshield curtain was in the position of keeping out the wind, the free end of windshield curtain upwards or the downward motion covers the air intake.

The windshield curtain can be for controlling the state that opens and shuts, and when the windshield curtain was in the position of ventilating promptly, the whole left end or the right-hand member that is in photovoltaic support of windshield curtain, when the windshield curtain was in the position of keeping out the wind, the free end of windshield curtain moved left or right and covers the air intake.

Specifically, the windshield 6 may be made of a stretchable fabric, and when the windshield 6 is at the ventilation position, the windshield 6 is in a contracted state. When the windshield 6 is in the windshield position, the windshield 6 is in a stretched state.

In a specific embodiment, the photovoltaic support further comprises a counterweight, so that the driving device comprises a cable 3, an upper fixed pulley 4, an upper proximity switch 5, a lower proximity switch 7, a lower fixed pulley 9 and a motor assembly 10 for driving the cable 3 to move back and forth, wherein the upper fixed pulley 4 and the upper proximity switch 5 are arranged at the top end of the rear main beam 101. Specifically, the cable 3 is provided with a stopper 13 that can trigger the upper proximity switch 5 and the lower proximity switch 7. The top end of the wind screen is fixed at the connecting position of the stop block 13 on the cable 3.

Lower fixed pulley 9 and lower proximity switch 7 set up on back girder 101 bottom or balancing weight, and the top of windshield curtain is installed on hawser 3, and the bottom of windshield curtain sets up on the bottom of back girder 101 or balancing weight, and hawser 3 twines to be cyclic annular setting between the output of last fixed pulley 4, lower fixed pulley 9 and motor element 10. Wherein, the motor assembly 10 is disposed at the bottom of the photovoltaic support or above the weight block.

When the wind screen rises to the top limit position, the upper proximity switch 5 is triggered, the motor assembly 10 stops working, and specifically, the stop 13 moves to the position of the upper proximity switch 5.

When the wind screen descends to the top end limit position, the lower approach switch 7 is triggered, and the motor assembly 10 stops working. In particular, the stop 13 moves to approach the switch 7 position.

The windshield 6 is folded at the bottom of the photovoltaic support, the lower side of the photovoltaic component 2 is good in ventilation, and the power generation efficiency of the photovoltaic component 2 is not affected.

In one embodiment, the windshield 6 is a louver. Specifically, the shutter is a transmission electric shutter structure.

In one embodiment, the driving device is a telescopic assembly, and a telescopic end of the telescopic assembly is connected with the top end of the windshield 6.

Preferably, the photovoltaic support control device and the wind speed sensor connected with the control device, the control device controls the motor assembly 10 to work, and when the wind speed sensor senses that the wind speed exceeds a first preset value, the control device controls the driving device to drive the wind shield 6 to move to the wind shielding position.

Specifically, the photovoltaic support further comprises a delayer, the delayer and the wind speed sensor are electrically connected with the driving device, and when the wind speed sensor senses that the wind speed is lower than a first preset value for a preset time, the control device controls the driving device to drive the windshield 6 to move to a ventilation position, namely the delayer is electrically connected with the control device.

The wind speed sensor is used for detecting real-time wind speed, when the wind speed is larger than a first preset value of the wind speed, the motor assembly 10 drags the cable 3 to enable the wind shield 6 to be unfolded and the back of the photovoltaic support to be completely sealed, so that wind load borne by the photovoltaic support is reduced, and the safety of a roof photovoltaic power station is improved. When the wind speed sensor detects real-time wind speed, and after the wind speed is smaller than the preset time of the first preset value, the motor assembly 10 reversely drags the cable 3, so that the wind shield 6 is folded, and the power generation efficiency of the photovoltaic assembly 2 is not affected.

During specific work, the photovoltaic support is provided with the control device, the control device firstly enters an initialization program, the control device firstly detects a signal of the lower proximity switch 7, if the windshield 6 is in an unfolded state, the control device drives the motor assembly 10 to rotate positively to drag the cable 3, finally the windshield 6 is in a folded state, then the motor assembly 10 is stopped, and after the time delay is preset, the initialization program is ended.

After the initialization program is finished, the wind speed sensor is used for detecting real-time wind speed, and when the wind speed is larger than a first preset value of the wind speed, the motor assembly 10 drags the mooring rope 3 to unfold the wind shield 6 and completely seal the back of the photovoltaic support, so that wind load born by the photovoltaic support is reduced, and the safety of the roof photovoltaic power station is favorably improved. When the wind speed sensor detects real-time wind speed, and when the wind speed is smaller than a first preset value for a preset time, the motor assembly 10 reversely drags the cable 3, so that the windshield cover 6 is folded, and the power generation efficiency of the photovoltaic assembly 2 is not affected. After the specified time is delayed, the roof photovoltaic support normally works, and specifically comprises a wind speed sensor. When the windshield cover 6 is positioned at the windshield position, if the photovoltaic module 2 is switched to the non-working position, the photovoltaic module 2 is switched to the working position.

The photovoltaic support overall structure that this application provided is simple, easily construction, and the installation effectiveness is high, the extensive popularization of being convenient for.

The application provides a roof photovoltaic device, including photovoltaic support and set up photovoltaic module 2 on the photovoltaic support, wherein the photovoltaic support is any kind of photovoltaic support of above-mentioned. The foregoing describes a specific structure of a photovoltaic support, and the present application includes the above photovoltaic support, and also has the above technical effects.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a photovoltaic support, includes support body (1), support body (1) is including being used for supporting front girder (102) of photovoltaic module (2) bottom and being used for supporting rear girder (101) on photovoltaic module (2) top, its characterized in that, still including the subassembly that keeps out the wind, the subassembly that keeps out the wind is including setting up windshield (6) of rear girder (101) position, windshield (6) have and shelter from the wind position of the air intake of rear girder (101) and open the ventilation position of air intake.

2. The photovoltaic bracket according to claim 1, further comprising a driving device for driving the windshield (6) to move up and down.

3. Photovoltaic support according to claim 2, characterized in that the windshield (6) is a foldable windshield.

4. The photovoltaic bracket according to claim 3, further comprising a counterweight block, wherein the driving device comprises a cable (3), an upper fixed pulley (4), an upper proximity switch (5), a lower proximity switch (7), a lower fixed pulley (9), a stopper (13) and a motor assembly (10) for driving the cable (3) to move back and forth, the height of the rear main beam (101) is greater than the height of the front main beam (102), the upper fixed pulley (4) and the upper proximity switch (5) are arranged at the top end of the rear main beam (101), the lower fixed pulley (9) and the lower proximity switch (7) are arranged at the bottom end of the rear main beam (101) or on the counterweight block, the top end of the wind screen is arranged on the cable (3), the bottom end of the wind screen is arranged at the bottom end of the rear main beam (101) or on the counterweight block, and the cable (3) is wound on the upper fixed pulley (4), The lower fixed pulley (9) and the output end of the motor component (10) are arranged in an annular mode, and the stop block (13) is installed on the mooring rope (3) and can trigger the upper proximity switch (5) and the lower proximity switch (7);

when the wind screen rises to the top end limit position, the upper proximity switch (5) is triggered, and the motor component (10) stops working;

when the wind screen descends to the top end limit position, the lower approach switch (7) is triggered, and the motor assembly (10) stops working.

5. Photovoltaic rack according to claim 2, characterized in that the windshield (6) is a louver.

6. Photovoltaic support according to claim 2, characterized in that the drive means is a telescopic assembly, the telescopic end of which is connected to the top end of the windshield (6).

7. Photovoltaic support according to claim 1, characterized in that the windshield (6) is a roller shutter.

8. The photovoltaic bracket according to claim 4, further comprising a control device and an air speed sensor connected to the control device, wherein the control device controls the motor assembly (10) to operate, and when the air speed sensor senses that the air speed exceeds a first preset value, the control device controls the driving device to drive the windshield (6) to move to the windshield position.

9. The photovoltaic bracket according to claim 8, further comprising a time delay, wherein the time delay and the wind speed sensor are electrically connected to the driving device, and when the wind speed sensor senses that the wind speed is lower than a first preset value for a preset time, the control device controls the driving device to drive the windshield (6) to move to the ventilation position.

10. A rooftop photovoltaic device comprising a photovoltaic support and a photovoltaic module (2) disposed on the photovoltaic support, characterized in that the photovoltaic support is a photovoltaic support according to any of claims 1-9.