CN113756520A

CN113756520A - Modularized, self-cleaning and rotatable solar roof device

Info

Publication number: CN113756520A
Application number: CN202010497280.7A
Authority: CN
Inventors: 姚万祥; 张康; 田万峰; 徐嫒; 李晓瑞; 张研
Original assignee: Tianjin Chengjian University
Current assignee: Tianjin Chengjian University
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-12-07

Abstract

This patent provides a modular, self-cleaning, and rotatable solar roof device, including a solar energy collection system, a power system, and a ventilation and heat preservation system. The effect of this patent is to lay solar panels on the entire roof. After modularization, the solar panels cover the entire roof, which can ensure that the solar panels rotate with the rotating shaft, so as to ensure maximum solar radiation reception and improve the efficiency of the solar panels. The device can automatically drop the dust accumulated on the solar panel by its own gravity through rotation, so as to achieve the effect of self-cleaning. When there is no need to collect photovoltaics at night, the solar panels can be rotated so that the back faces upwards. The solar panels on the entire roof are covered on the roof of the building to form a natural thermal insulation layer between the roof and the panels, which can be used in winter. Building insulation. In summer, a ventilated roof can be formed to dissipate heat from the building. To achieve the effect of building energy saving.

Description

Modularized, self-cleaning and rotatable solar roof device

Technical Field

This patent belongs to building energy conservation and renewable energy utilization field, and is focused on solar photovoltaic power generation technical field, specifically is a device of laying modularization back solar cell panel at whole building roofing.

Background

With the coming of the energy crisis in the world, people pay more attention to renewable energy sources such as solar energy, so how to improve the solar energy utilization rate and how to clean dust deposited on the surface of the solar cell panel become the first problem. The inclination of the vast majority of solar cell panel all is fixed in real life, and this patent provides a device that can rotate, can improve the utilization ratio of solar energy as far as, and one deck dust can be piled up on the solar cell panel surface in addition, reduces solar energy utilization ratio. At present, the method for improving the solar energy utilization rate is mainly to clear up the accumulated dust or accumulated dust accumulated on the surface of the solar cell panel by a manual method, or to clean the solar cell panel by adopting a certain self-cleaning mode, the dust removal tool of the automatic dust removal technology is mainly a brush with soft texture, the defect that the cleaning efficiency can be reduced along with the time is that the dust removal tool cannot work in rainy days, scratches cannot be avoided being left on the surface of the solar cell panel, the labor cost is increased, and the maintenance cost is lowered. The clean mode of this patent utilizes gravity and utilizes the rainwater to wash the effect that solar cell panel surface reached the automatically cleaning through the slope of control solar cell panel, has improved prior art.

In the invention

Aiming at the structural defects in the prior art, the solar roof device is modularized, self-cleaning and rotatable, and can effectively utilize light energy to a greater extent.

In order to achieve the purpose, the technical scheme adopted by the patent is to provide a modularized, self-cleaning and rotatable solar roof device.

The beneficial effect of this patent is:

(1) this patent modular device structure includes a plurality of solar cell panel, metal frame. The solar cell panel is laid on the whole roof, so that the solar cell panel covers the whole roof, and the roof is utilized to collect illumination to the maximum extent.

(2) This patent power device structure includes pivot, gear, chain, motor. The rotating shaft can be rotated through the motor rotating belt, so that the solar cell panel after modularization can be rotated according to the direction of the vertical shaft, the angle of the solar cell panel during working in the daytime is guaranteed, the solar cell panel is perpendicular to illumination all the time, and the illumination intensity is maximum.

(3) This patent automatically cleaning system, the device is at the time of out of work night, makes the back up with solar cell panel rotation 180 degrees, and usable action of gravity makes solar cell panel drop at the dust of daytime during operation accumulation. So as to achieve the self-cleaning function; the whole roof forms a ventilated roof during the rest at night, so that the ventilation condition of the whole roof is enhanced, and dust on the surface of the solar cell panel can be blown off by utilizing the action of wind force to achieve the self-cleaning effect; in rainy season, the instrument can be adjusted to a certain angle, and accumulated dust and dust on the solar cell panel can be automatically cleaned by rainwater, so that the self-cleaning function is achieved.

(4) The solar energy part of gathering solar cell panel during operation is used for the electricity generation, can directly carry the electric quantity for the user to when equipment was out of work at night, the tiling was at whole roofing, for the roofing has formed a natural heat preservation, has reduced thermal loss, reaches energy-concerving and environment-protective effect.

(5) A storage battery is added to the system, light energy is converted into electric energy, and the storage battery is used for driving a motor to rotate for driving the device.

(6) The system is provided with fault alarm detection, and when the device fails or fails to work normally under some emergency conditions, the system can automatically alarm to inform workers of maintenance.

(7) And the electric equipment such as the motor and the fault alarm are supplied by electric quantity stored by the solar cell panel without being additionally connected with a power supply.

(8) When the device does not work at night, the rotating back face of the device can be upwards covered on the roof, so that the device can form an air interlayer on the roof, the air interlayer can be used as a heat insulation layer in winter to insulate heat of a building and reduce energy loss, the sealing baffles on the periphery can be opened in summer to form a ventilation roof, heat is taken away, air flow is accelerated, and heat dissipation is performed for the building. When the ventilation is not carried out, the air layer is taken as the roof of the heat-insulating layer, and the performance of the roof is better than that of the ordinary roof without ventilation; there have been studies showing that ventilated roofs can save 20-40% of energy consumption in summer compared to un-ventilated roofs.

(9) The device is suitable for flat roofs, is installed on the roofs, can be automatically cleaned, does not need frequent maintenance of personnel, can be periodically checked, and can save the maintenance cost of the personnel.

Drawings

FIG. 1 is a schematic view of the structure of a modular, self-cleaning, rotatable solar roofing apparatus of the present patent;

FIG. 2 is an overall top view of the modular, self-cleaning, rotatable solar roofing apparatus of the present patent;

FIG. 3 is a left side view of the entire modular, self-cleaning, rotatable solar roofing apparatus of the present patent;

FIG. 4 is a top view of the support frame of the present patent;

FIG. 5 is a schematic view of the combination of the micro air pressure rod and the peripheral sealing baffle of the present patent;

FIG. 6 is an enlarged partial view of the peripheral baffle seal of this patent;

FIG. 7 is a partial view of the gear and chain of the present patent;

FIG. 8 is a partial enlarged view of the gear and chain of the present patent;

FIG. 9 is a view of the connection of the 18-2 support beams to the 15-1 metal frame of this patent;

FIG. 10 is a diagram of the connection of adjacent metal rims according to the present patent;

FIG. 11 is a view showing the connection of the support beam 18-4 to the metal frame 15-2;

FIG. 12 is a comparison of a mounted portion of a solar panel to an unmounted solar panel;

fig. 13 is a schematic view of the hinge structure.

In the figure:

1. glass cover 2. solar cell panel

3. Rotating shaft 4. gear

5. Chain 6. support

6-1, pillar sealing groove 7, base

8. Bolt 9. nut

10. Hinge 11, surrounding sealing baffle

12. Hinge bolt 13. electric pneumatic rod

14. Sealing baffle plate protrusion 15. Metal frame

16. Motor 17 sealing strip

18. Supporting beam

Detailed Description

The structure of the modular, self-cleaning, rotatable solar roof apparatus of this patent is described below with reference to the accompanying drawings.

Fig. 1 and 3 show a schematic structural view, a front view and a side view of the modular self-cleaning rotatable solar roof apparatus of the present patent. The device adopts modularization, automatically cleaning, rotatable solar energy roof device, and the device includes: the device comprises a solar cell panel 2, a metal frame 15, a motor 16, a rotating shaft 3, a chain 5, a support 6, a peripheral sealing baffle 11 and other device components.

As shown in fig. 1 and fig. 9 to 11, the device is composed of 4 x 4 solar panels 2; the specific size and number are determined according to the actual roof area, and fig. 1 only illustrates one possible case. The metal frame 15 has two forms, such as a metal frame 15-1 and a metal frame 15-2 shown in fig. 9-11, a solar cell panel is placed in the metal frame 15 and fixed by a bolt 8, so that the solar cell panel 2 cannot fall off in the rotation process of the device, and the solar cell panel is fixed from four directions to ensure that the solar cell panel cannot shake. Glass cover 1 will install and cover solar cell panel 2 in the top of metal frame 15, prevents that solar cell panel's surface from dropping on solar cell panel at the dust of during operation accumulation, protects solar cell panel 2 increase life.

As shown in fig. 4, the figure comprises a micro air pressure rod 13, a peripheral sealing baffle 11, a support column 6, a base 7 and a support beam 18, wherein the support beam is respectively 18-1, 18-2, 18-3 and 18-4 by clockwise rotation according to fig. 4, the edge structure of the support beam 18-2 is shown in fig. 9, the edge structure of the support beam 18-4 is schematically shown in fig. 10, the edge of the support beam 18-2 is matched with a metal frame 15-1 for placing a solar panel 2, and the edge of the support beam 18-4 is matched with a metal frame 15-2 for placing the solar panel 2.

As shown in fig. 4 to 5, the device includes a peripheral sealing plate 11, an electric pneumatic rod 13, a base 7, a pillar 6, a bolt 8, and a hinge 10. The post 6 is fixed to the base 7 and to the ground by means of a bolt 8 to prevent the device from moving during rotation due to vibrations. As shown in fig. 5, the electric pneumatic rod 13 can be extended and retracted, and along with the extension and retraction of the electric pneumatic rod 13, the opening and closing of the sealing plate 11 around can be controlled, when the sealing around is ensured, the electric pneumatic rod 13 can be retracted to the initial state, when the ventilation of the device is ensured, the electric pneumatic rod 13 is extended, the baffle plate 11 around can be opened, the baffle plate 11 is opened to promote the air flow between the device and the roof, the heat is taken away, and the cooling of the roof and the solar cell panel 2 is promoted. The surrounding baffle 11 is connected with the supporting beam 18 by a hinge 10, so that the surrounding baffle can rotate in the direction vertical to the horizontal plane when the electric pneumatic rod 13 extends and retracts. The specific number of hinges needed depends on the situation, when the photovoltaic collector is not used at night, the solar cell panel can be rotated to enable the back face to face upwards, the solar cell panel on the whole roof covers the roof of the building to enable a natural heat insulation layer to be formed between the roof of the building and the solar cell panel, and in winter, the peripheral sealing plates 11 can be retracted through the electric air pressure rods 13 to put down the air to serve as the middle interlayer of the roof and the solar cell panel 2, so that heat transfer is reduced, thermal resistance is reduced, and heat insulation is achieved for the building. Can be with panel back side up at night in summer, the extension through miniature atmospheric pressure pole 13 props baffle 11 all around, forms a ventilation roofing, does not have sealedly between roofing and the solar cell panel 2 this moment, can increase the mobility of air for the temperature of roofing can descend fast. Meanwhile, the temperature of the solar cell panel 2 can be reduced, and the efficiency is reduced because the temperature of the solar cell panel 2 is not too high even in hot summer.

As shown in figure 6, the sealing baffle plate protrusion 14 is matched with the pillar sealing groove 6-1 for use, when the peripheral sealing baffle plate 11 is closed, the sealing baffle plate protrusion 14 is just kneaded with the pillar sealing groove 6-1, and a sealing strip is arranged in the pillar sealing groove 6-1, so that the air tightness of the whole device can be ensured when the peripheral sealing baffle plate is closed.

As shown in fig. 7, the motor 16, the rotating shaft are numbered 3-1, 3-2, 3-3 and 3-4 from left to right, the gear is numbered 4-1, 4-2, 4-3 and 4-4 from left to right, the chain 5 and the metal frame 15 are included; the metal frame 15 is connected with the rotating shaft to form a whole, the motor 16 is connected with the rotating shaft 3-2 and used for driving the whole device to rotate, one side of the rotating shaft 3-2 is connected with the gear 4-2, the motor 16 rotates to drive the gear 4-2 to rotate the chain, so that the chain drives the rotating shafts 3-1, 3-2, 3-3 and 3-4 to rotate, and the device can be guaranteed to rotate while the motor rotates. The device has three connection modes in the rotation process, as shown in figures 9, 10 and 11, wherein the first connection mode is shown in figure 9, the two connected elements are a support beam 18-2 and a metal frame 15-1, rubber is arranged at the joint of the two elements to ensure air tightness, and the second connection mode is shown in figure 10, the two connected elements are the adjacent metal frame 15-1 and the metal frame 15-2, rubber is arranged at the joint of the two elements to ensure air tightness. The third way of connection is shown in fig. 11, the two elements to be connected are a metal frame 15-2 and a support beam 18-4, and rubber is arranged at the connection position to ensure air tightness.

The device drives the pivot rotation through motor 16 to guaranteed that solar cell panel 2 can rotate, it is rotatory that there are two kinds of embodiments can controlling means, embodiment one: the light sensing element is arranged on the solar cell panel 2, and the light received by the solar cell panel 2 can be strongest by judging the angle of inclination of the solar cell panel 2 according to the light sensing element. Thereby enabling to improve the power generation efficiency. Embodiment two: the motor 16 is set to drive the rotating shaft 3 to rotate 15 degrees per hour, the solar cell panel 2 can also rotate 15 degrees, the starting time of the motor 16 is six morning hours, the stopping time is six evening hours, and the working time is 12 hours. When six morning hours, motor 16 starts, and solar cell panel 2 is the starting position perpendicular to the horizontal plane, and solar cell panel 2 faces the east just promptly, six evening hours later, and motor 16 drives pivot 3 and makes 2 backs of solar cell panel up, and the motor stops to operate.

Although the patent is described above with reference to the drawings, the patent is not limited to the specific embodiments described above, which also operate in conjunction with specific practical situations, such as the selection of several groups of solar panels as the case may be, the specific embodiments described above are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit of the patent. All falling within the scope of protection of this patent.

Claims

1. Modularization, automatically cleaning, rotatable solar roof device, its characteristic includes solar energy collection system and driving system and ventilation heat preservation system, solar energy collection system include a plurality of solar cell panel (2) side by side and constitute, solar cell panel (2) fix in a metal frame (15) and fixed by a plurality of bolts (8) to solar cell panel directly provides the electric energy for the user, and the small part electric energy of solar cell panel (2) will be stored and be used for driving motor (16) in the battery, guarantees that motor (16) drive pivot (3) rotatory.

2. A modular, self-cleaning, rotatable solar roof apparatus as claimed in claim 1, wherein: the modularized solar cell panel (2) can cover a roof and can rotate, and if modularization is not selected, the rotating radius is too large, the height of the device is too high, and potential safety hazards are caused.

3. A modular, self-cleaning, rotatable solar roof apparatus as claimed in claim 1, wherein: the power system comprises a gear (4) fixed at one end of the rotating shaft, a chain (5) and a motor (16), wherein the chain (5) is connected to the motor (16) through the gear (4).

4. A modular, self-cleaning, rotatable solar roof apparatus as claimed in claim 1, wherein: the solar energy collection system comprises a metal frame (15), a solar cell panel (2) and a glass cover (1), wherein the solar cell panel (2) is fixed on the metal frame (15) through a bolt (8), and the toughened glass cover (1) is fixed on the metal frame (15) through the bolt (8) to cover the solar cell panel (2); the rotating shaft (3) is fixedly arranged on the metal frame (15).

5. A modular, self-cleaning, rotatable solar roof apparatus as claimed in claim 1, wherein: solar cell panel (2) make the back up at the rotatory back that makes when out of work, usable action of gravity makes solar cell panel at daytime during operation accumulated dust drop, in order to reach the self-cleaning effect, and whole roofing has formed a ventilation roofing during the rest at night, make the ventilation condition on whole roof grow stronger, also can utilize the effect of wind power to blow off the dust on solar cell panel surface, in order to reach the self-cleaning effect, in rainy season, can adjust certain angle with the instrument, with the deposition on the rainwater self-cleaning solar cell panel, in order to reach self-cleaning function.

6. A modular, self-cleaning, rotatable solar roof apparatus as claimed in claim 1, wherein: the ventilation and heat preservation system comprises a supporting column (6), a supporting beam (18) and peripheral sealing baffles (11), when the device does not work at night, the rotating back of the device can be covered on the roof upwards, so that the device forms an air interlayer on the roof, the peripheral sealing baffles (11) are closed, the device can be used as a heat preservation layer in winter, heat preservation is provided for a building, energy loss is reduced, the peripheral sealing baffles (11) can be opened in summer to form a ventilation roof, heat is taken away, air flowing is accelerated, and heat dissipation is provided for the building.