Energy-saving roof system

Abstract

The utility model discloses an energy-saving roof system which comprises a roof body, a photovoltaic panel, a battery and a water tank, the roof body is installed on the top of a building, the photovoltaic panel is installed on the upper side of the roof body and charges the battery, the water tank is buried underground, a flow channel is arranged in the roof body, and the roof system further comprises a plurality of heat dissipation pipes penetrating through an outer wall of the building. The water tank is communicated with the flow channel through a plurality of heat dissipation pipes, water is arranged in the water tank, the roof system further comprises a water pump for conveying the water to the flow channel and a water supplementing mechanism for guiding rainwater on the upper side of the roof body into the water tank, and the battery supplies power to the water pump. According to the energy-saving roof system, the influence on the stability of a building is reduced, the outer wall of the building can be cooled, and the cooling effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy -conserving roof technical field especially relates to a kind of energy -conserving roof system. BACKGROUND

[0002] To promote energy conservation, there are some energy-saving roofs on the market, which can generate electricity and store energy using light energy, and can store water for roof cooling. For example, the energy-saving roof shown in patent No. CN202323320749.8 includes a roof body, a water storage box, a water pump and a photovoltaic panel. The roof body is installed in a herringbone shape on the top of the building. The photovoltaic panel is installed on the upper side of the roof body. The water storage box is installed on the edge of the roof, close to the top of the building. The water pump can pump water from the water storage box to the roof to cool the building.

[0003] The existing energy-saving roof has a water storage box close to the top of the building. When the inside is full of water, the weight of the water storage box is large, which affects the stability of the building in windy weather. Moreover, the existing energy-saving roof can only cool the building through the roof, and the cooling effect needs to be improved. SUMMARY

[0004] The utility model discloses a kind of energy-saving roof systems to solve the above-mentioned defects of existing energy-saving roof, reduce the influence on building stability, and can cool the building exterior wall, improve cooling effect.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An energy-saving roof system includes a roof body, a photovoltaic panel, a battery and a water tank. The roof body is installed on the top of the building. The photovoltaic panel is installed on the upper side of the roof body to charge the battery. The water tank is buried underground. The roof body has a flow channel. The roof system also includes multiple heat dissipation pipes that penetrate the building exterior wall. The water tank is connected to the flow channel through multiple heat dissipation pipes. The water tank contains water. The roof system also includes a water pump that pumps water to the flow channel and a water replenishment mechanism that directs rainwater on the upper side of the roof body to the water tank. The battery powers the water pump.

[0007] Through the above arrangement, the water tank is buried underground, reducing the impact on the stability of the building. When water flows through the heat dissipation pipes and the flow channel, it can absorb the heat from the building exterior wall and the roof body, improving the cooling effect.

[0008] Further, the flow channels are provided in plurality and pass through the roof body left and right sides, and a water tank and a plurality of heat dissipation pipes are arranged below the roof body left and right sides, the water tank is provided with an inlet and an outlet, the inlet of the left water tank is communicated with the outlet of the right water tank through the left heat dissipation pipe, part of the flow channels, the right heat dissipation pipe, the outlet of the left water tank is communicated with the inlet of the right water tank through the left heat dissipation pipe, another part of the flow channels and the right heat dissipation pipe, and the water tanks left and right sides form a heat dissipation loop through the heat dissipation pipes and the flow channels, and the water pump can drive the water to circulate in the heat dissipation loop.

[0009] Through the above setting, the heat dissipation effect is further increased.

[0010] Further, the roof body is provided as a herringbone structure inclined downward left and right sides.

[0011] Further, the water replenishing mechanism comprises a water collecting groove horizontally installed on the roof body left and right sides and with a notch upward, the water collecting groove is provided with a first water outlet at the bottom, the first water outlet is communicated with the heat dissipation pipe through a connecting pipe, and the water replenishing mechanism further comprises a sealing mechanism for opening and closing the first water outlet.

[0012] Further, the sealing mechanism comprises a cover plate and a linear actuator, the cover plate is sealingly and slidingly connected in the water collecting groove, the cover plate is provided with a second water outlet, and the linear actuator drives the cover plate to slide so that the first water outlet coincides with or is staggered with the second water outlet.

[0013] Through the above setting, the linear actuator controls the opening and closing of the first water outlet by driving the cover plate.

[0014] Further, the water replenishing mechanism further comprises a filter screen installed on the upside of the second water outlet.

[0015] Through the above setting, the filter screen can filter foreign matters in the rainwater to prevent the foreign matters from blocking the heat dissipation pipes. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a schematic view of the roof system of the embodiment.

[0017] Fig. 2 It is a schematic view of the roof system of the embodiment when cooling the building.

[0018] Fig. 3 It is a sectional view of the roof system of the embodiment. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model will be further specifically explained below by means of embodiments and in combination with the drawings.

[0020] As Figs. 1-3As shown in the drawings, the energy-saving roof system comprises a roof body 3, a photovoltaic panel 4, a battery (not shown in the drawings) and a water tank 6. The roof body 3 is installed on the top of a building. The photovoltaic panel 4 is installed on the upper side of the roof body 3 to charge the battery. The water tank 6 is buried underground. The roof body 3 is provided with a flow channel 7. The roof system further comprises a plurality of heat dissipation pipes 8 penetrating the outer wall of the building. The water tank 6 is communicated with the flow channel 7 through the plurality of heat dissipation pipes 8. The water tank 6 is provided with water. The roof system further comprises a water pump 9 for pumping water to the flow channel 7 and a water supplementing mechanism for guiding rainwater on the upper side of the roof body 3 into the water tank 6. The battery supplies power to the water pump 9.

[0021] Through the above arrangement, the water tank 6 is buried underground, thereby reducing the influence on the stability of the building. When the water flows through the heat dissipation pipes 8 and the flow channel 7, the heat of the outer wall of the building and the roof body 3 can be absorbed, thereby improving the cooling effect.

[0022] The roof body 3 of the present application is installed on the top of a building. The photovoltaic panel 4 is installed on the upper side of the roof body 3 to generate electricity by using solar energy and charge the battery. The battery is connected to the power grid in the building to supply power to the electrical appliances in the building, thereby reducing the consumption of power from the common power grid and achieving the purpose of energy saving. The battery is installed in the building, thereby improving the safety of the battery. The battery can be a lithium battery which has a high energy density. The material of the water tank 6 is plastic or cement. The water tank 6 is pre-buried underground to reduce the occupation of the space on the ground. The water tank 6 is provided with water. The water in the water tank 6 is tap water or rainwater guided into the water tank 6 by the water supplementing mechanism. The heat dissipation pipes 8 are made of copper pipes which have good heat conductivity and are not easy to rust. In high-temperature weather, the water pump 9 pumps the water in the water tank 6 to the flow channel 7 through the heat dissipation pipes 8. When the water flows through the heat dissipation pipes 8, the heat of the outer wall is absorbed. When the water flows through the flow channel 7, the heat of the roof body 3 is absorbed, thereby reducing the temperature of the building and reducing the power consumption.

[0023] As an implementation manner, the flow channel 7 is provided with a plurality of flow channels and penetrates the left and right sides of the roof body 3. One water tank 6 and a plurality of heat dissipation pipes 8 are arranged below the left and right sides of the roof body 3. The water tank 6 is provided with an inlet 10 and an outlet 11. The inlet 10 of the left water tank 6 is communicated with the outlet 11 of the right water tank 6 through the left heat dissipation pipe 8, part of the flow channel 7 and the right heat dissipation pipe 8. The outlet 11 of the left water tank 6 is communicated with the inlet 10 of the right water tank 6 through the left heat dissipation pipe 8, another part of the flow channel 7 and the right heat dissipation pipe 8. The water tanks 6 on the left and right sides form a heat dissipation loop through the heat dissipation pipes 8 and the flow channel 7. The water pump 9 can drive the water to circulate in the heat dissipation loop.

[0024] Through the above arrangement, the heat dissipation effect is further improved.

[0025] The water pump 9 of the present application is arranged in the water tank 6 to reduce the noise. For example, the water pump 9 can be arranged in the water tank 6 to reduce the noise. Fig. 2As shown, when the water pump 9 is running, the water in the left water tank 6 flows through the water outlet 11, the heat dissipation pipe 8, the flow channel 7, the water inlet 10 into the right water tank 6, and the water in the right water tank 6 flows back to the left water tank 6 through the water outlet 11, the heat dissipation pipe 8, the flow channel 7 and the water inlet 10, and the water flow circulates between the two water tanks 6 to cool the building.

[0026] As an implementation, the roof body 3 is provided in a herringbone structure with the left and right sides inclined downward.

[0027] As an implementation, the water supplement mechanism comprises a water collecting groove 12 horizontally installed on the left and right sides of the roof body 3 with the notch upward, and the water collecting groove 12 is provided with a first water inlet 13 at the bottom, and the first water inlet 13 is communicated with the heat dissipation pipe 8 through a connecting pipe 14, and the water supplement mechanism further comprises a sealing mechanism for opening and closing the first water inlet 13.

[0028] At the beginning, the sealing mechanism seals the first water inlet 13 to prevent the water flowing in the heat dissipation pipe 8 from overflowing to the water collecting groove 12 through the first water inlet 13; when it rains, the sealing mechanism opens the first water inlet 13, and the rainwater on the roof body 3 flows into the water collecting groove 12 and then flows into the water tank 6 through the first water inlet 13, the connecting pipe 14 and the heat dissipation pipe 8 to supplement the water in the water tank 6.

[0029] As an implementation, the sealing mechanism comprises a cover plate 15 and a linear actuator 16, the cover plate 15 is sealingly and slidingly connected in the water collecting groove 12, the cover plate 15 is provided with a second water inlet 17, and the linear actuator 16 drives the cover plate 15 to slide so that the first water inlet 13 coincides with or is staggered with the second water inlet 17.

[0030] Through the above arrangement, the linear actuator 16 controls the opening and closing of the first water inlet 13 by driving the cover plate 15.

[0031] The linear actuator 16 of the present application can be provided as an electric cylinder or a screw nut structure, when the first water inlet 13 coincides with the second water inlet 17, the first water inlet 13 is opened, and the rainwater can flow into the water tank 6 through the first water inlet 13, the second water inlet 17, the connecting pipe 14 and the heat dissipation pipe 8, when the first water inlet 13 is staggered with the second water inlet 17, the cover plate 15 covers the first water inlet 13 to prevent the water flow in the heat dissipation pipe 8 from overflowing into the water collecting groove 12.

[0032] As an implementation, the water supplement mechanism further comprises a filter screen 18 installed on the upper side of the second water inlet 17.

[0033] Through the above arrangement, the filter screen 18 can filter foreign matters in the rainwater to prevent the foreign matters from blocking the heat dissipation pipe 8.

[0034] It should be understood that all of these improvements and changes that can be made to the above-described explanation are intended to be within the scope of the present application as defined in the appended claims.

Claims

1. An energy saving roofing system characterized by, The roof system comprises a roof body, photovoltaic panels, a battery and a water tank, the roof body is installed on the top of a building, the photovoltaic panels are installed on the upper side of the roof body to charge the battery, the water tank is buried underground, flow channels are arranged in the roof body, the roof system further comprises a plurality of heat dissipation pipes penetrating the outer wall of the building, the water tank is communicated with the flow channels through the plurality of heat dissipation pipes, water is arranged in the water tank, the roof system further comprises a water pump for pumping water to the flow channels and a water supplementing mechanism for guiding rainwater on the upper side of the roof body into the water tank, and the battery supplies power to the water pump.

2. An energy saving roofing system as claimed in claim 1, wherein, The flow channels are arranged on the left and right sides of the roof body, and the water tank and the heat dissipation pipes are arranged below the left and right sides of the roof body, the water tank is provided with an inlet and an outlet, the inlet of the left water tank is communicated with the outlet of the right water tank through the left heat dissipation pipe, part of the flow channels and the right heat dissipation pipe, the outlet of the left water tank is communicated with the inlet of the right water tank through the left heat dissipation pipe, another part of the flow channels and the right heat dissipation pipe, and the water tanks on the left and right sides form a heat dissipation loop through the heat dissipation pipes and the flow channels, and the water pump can drive the water to circulate in the heat dissipation loop.

3. An energy saving roofing system as claimed in claim 1, wherein, The roof body is arranged in a herringbone structure inclined downward on the left and right sides.

4. An energy saving roofing system as claimed in claim 2, wherein, The water supplementing mechanism comprises a water collecting groove horizontally installed on the left and right sides of the roof body and having a notch upward, the water collecting groove is provided with a first water inlet at the bottom, the first water inlet is communicated with the heat dissipation pipes through a connecting pipe, and the water supplementing mechanism further comprises a sealing mechanism for opening and closing the first water inlet.

5. An energy saving roofing system according to claim 4, wherein, The sealing mechanism comprises a cover plate and a linear actuator, the cover plate is sealingly and slidingly connected in the water collecting groove, the cover plate is provided with a second water inlet, and the linear actuator drives the cover plate to slide so that the first water inlet coincides with or is staggered with the second water inlet.

6. An energy saving roofing system according to claim 5, wherein, The water supplementing mechanism further comprises a filter screen installed on the upper side of the second water inlet.

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