CN216587402U - Ventilation and cooling system for integrated photovoltaic building roof - Google Patents

Ventilation and cooling system for integrated photovoltaic building roof Download PDF

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Publication number
CN216587402U
CN216587402U CN202122198120.5U CN202122198120U CN216587402U CN 216587402 U CN216587402 U CN 216587402U CN 202122198120 U CN202122198120 U CN 202122198120U CN 216587402 U CN216587402 U CN 216587402U
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China
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photovoltaic
roof
building
integrated
cooling system
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CN202122198120.5U
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邹斌
尹学明
刘春燕
王贵波
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Yunnan Nengye Construction Co ltd
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Yunnan Baoye Metal Structure Engineering Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Building Environments (AREA)
  • Photovoltaic Devices (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

The utility model discloses a ventilation and cooling system for a building integrated photovoltaic roof, which comprises a ventilation pipeline arranged on the building integrated photovoltaic roof and a cold air conveying device communicated with the ventilation pipeline. According to the utility model, the cold air is provided by using the cold air conveying device and conveyed into the photovoltaic building integrated roof through the ventilation pipeline, so that the roof is cooled, and the power generation efficiency of the photovoltaic building integrated roof is improved.

Description

Ventilation and cooling system for integrated photovoltaic building roof
Technical Field
The utility model relates to the field of building integrated photovoltaics, in particular to a ventilating and cooling system for a building integrated photovoltaic roof.
Background
The building integrated photovoltaic is one of the technical innovation of photovoltaic solar energy, and is a new concept of applying solar power generation, which provides power by installing a solar photovoltaic power generation matrix on the outer surface of an envelope structure of a building. The power generation efficiency of the photovoltaic module is greatly influenced by the temperature, the power generation benefit is reduced by about 0.3-0.4% when the temperature is increased by 1 ℃, and if the temperature can be reduced by 10 ℃, the benefit is increased by 3-4% for the whole photovoltaic power generation system. At present, when the existing building integrated photovoltaic roof is applied, the temperature of a roof photovoltaic module is higher than that of a ground photovoltaic module, the power generation efficiency of the building integrated photovoltaic roof is lower, and related accessories of the building integrated photovoltaic roof are influenced by high temperature for a long time and are easy to age, so that the service life of the roof is shortened.
Accordingly, there is a need for improvements and developments in the art.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the utility model aims to provide an aeration and cooling system for a building integrated photovoltaic roof, and aims to solve the problem that the temperature of a photovoltaic module in the existing building integrated photovoltaic roof is relatively high.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a ventilation and cooling system for a photovoltaic building integrated roof, which comprises a ventilation pipeline arranged on the photovoltaic building integrated roof and a cold air conveying device communicated with the ventilation pipeline.
Preferably, the building-integrated photovoltaic roof comprises a bottom plate tile and a plurality of photovoltaic modules arranged above the bottom plate tile.
Preferably, the ventilation line comprises: the main pipe is arranged on the outer wall of the photovoltaic building integrated roof; and the plurality of branch pipes are provided with air outlet holes and are arranged between the bottom plate tile and the photovoltaic module, and the plurality of branch pipes are communicated with the main pipe.
Preferably, a plurality of groups of two air outlet holes located on the same cross section are arranged on the branch pipe at intervals, an included angle formed by connecting the arrangement positions of the two air outlet holes and the circle center of the cross section is 45 degrees, and one air outlet hole faces to the ridge of the integrated photovoltaic building roof.
Preferably, the photovoltaic building integrated roof further comprises a heat dissipation buckle cover arranged between the photovoltaic assemblies, and the heat dissipation buckle cover is provided with a ventilation hole.
Preferably, the cool air transfer device includes: the air energy equipment is electrically connected with the photovoltaic assembly and is communicated with the ventilation pipeline; and the hot water tank is connected with the air energy equipment.
Preferably, the cold air delivery device further comprises a heat sink connected to the air energy apparatus.
Preferably, the air energy equipment is further provided with a first controller.
Preferably, the ventilation and cooling system for the photovoltaic building integrated roof further comprises a fire extinguishing medium storage tank communicated with the ventilation pipeline, and a second controller is arranged on the fire extinguishing medium storage tank.
Preferably, the ventilating and cooling system for the integrated photovoltaic building roof further comprises a fireproof partition arranged between the bottom plate tile and the photovoltaic assembly.
Has the advantages that: the utility model provides a ventilation and cooling system for a photovoltaic building integrated roof, which utilizes a cold air conveying device to provide cold air, and conveys the cold air into the photovoltaic building integrated roof through a ventilation pipeline, so as to cool the photovoltaic building integrated roof, improve the photovoltaic power generation efficiency, slow down the high-temperature aging phenomenon of related spare and accessory parts, and prolong the service life of the photovoltaic building integrated roof. Meanwhile, the reduction of the roof temperature can lead to the corresponding reduction of the indoor temperature, thereby reducing the probability of high-temperature fire, and generating great positive contribution to the fire prevention of the power generation system.
Drawings
FIG. 1 is a plan view of an aeration cooling system for integrated photovoltaic roofing in accordance with the present invention;
FIG. 2 is a cross-sectional view of a branch pipe of a ventilation pipeline in the aeration cooling system for the integrated roof of the photovoltaic building according to the present invention;
FIG. 3 is a cross-sectional view of a branch pipe of a ventilation pipeline in the aeration cooling system for the integrated roof of the photovoltaic building according to the present invention;
fig. 4 is a schematic diagram of the positions of the air outlets of the aeration and cooling system for the integrated photovoltaic roof.
FIG. 5 is a schematic diagram of the position of the air outlet holes in the cross section of the branch pipes of the aeration cooling system for the integrated roof of the photovoltaic building.
Fig. 6 is a schematic view of an aeration cooling system for integrated photovoltaic roofing in accordance with the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Research shows that in the application of the existing photovoltaic building integrated roof, the temperature of the photovoltaic component of the roof is higher, so that the power generation efficiency is reduced, and related accessories are easy to age. In order to solve the technical problems, the utility model provides a ventilation and cooling system for a photovoltaic building integrated roof, which is characterized in that cold air is generated by a cold air conveying device to provide cold air for a ventilation pipeline, so that the photovoltaic module of the roof and the indoor cooling are realized, the photovoltaic power generation efficiency is improved, and the service life of related accessories is prolonged.
Referring to fig. 1-6, the present invention provides a preferred embodiment of an aeration cooling system for integrated photovoltaic roofing.
As shown in fig. 1, the present invention provides an aeration and cooling system for a building-integrated photovoltaic roof, including a ventilation pipeline 11 disposed on the building-integrated photovoltaic roof 10, and a cold air delivery device 12 communicated with the ventilation pipeline 11. Wherein, cold air conveyor 12 can produce the cold air to inside carrying the cold air to building integrated photovoltaic roofing through ventilation pipeline 11, for roofing and indoor cooling, and then promote the generating efficiency of building integrated photovoltaic roofing, slow down the high temperature ageing phenomenon of relevant accessories, reduce the probability that high temperature was fired on fire.
As shown in fig. 1-3, in some embodiments, the building-integrated photovoltaic roof 10 includes a floor tile 101 and a number of photovoltaic modules 102 disposed above the floor tile 101. Preferably, in some embodiments, the cold air delivery device 12 is electrically connected to the photovoltaic module 102, and the photovoltaic module 102 can be used to provide electrical energy to the cold air delivery device.
As shown in fig. 1-3, in some embodiments, the ventilation pipeline 11 includes a main pipe 111 disposed on the outer wall of the building-integrated photovoltaic roof 10; the plurality of branch pipes 112 are provided with air outlet holes 113 and are arranged between the bottom plate tile 101 and the photovoltaic module 102, and the plurality of branch pipes 112 are communicated with the main pipe 111. Ventilation pipeline 11 can transmit the cold air that cold air conveyor 12 provided to each position of roofing fast through this overall arrangement mode, then discharges the cold air through setting up a plurality of ventholes on the branch pipe to reduce photovoltaic module's temperature, and then promote photovoltaic power generation efficiency, and this overall arrangement mode with the inside space size adaptation degree of photovoltaic integration roofing is higher. Preferably, the main pipe 111 is arranged on a gable of the integrated photovoltaic building roof, and the branch pipes 112 are arranged in parallel to the ridge direction. The gable wall is a transverse wall arranged in the short axis direction of the photovoltaic integrated roof of the photovoltaic building integrated roof, and the ridge is an intersection line formed by two mutually inclined roofs.
As shown in fig. 4 to 5, in some embodiments, a plurality of sets of two air outlets 113 located on the same cross section are arranged at intervals on the branch pipe 112, an included angle formed by a connecting line of the two air outlets 113 and a circle center of the cross section is 45 °, and one of the air outlets faces a ridge of the integrated photovoltaic building roof.
In some embodiments, the building-integrated photovoltaic roof 10 further includes a heat-dissipating cover 103 disposed between the photovoltaic modules, and the heat-dissipating cover is provided with a vent hole. The cold air in the ventilation and cooling system for the integrated roof of the photovoltaic building enters the inside of the roof through the ventilation pipeline 11 to cool the photovoltaic module of the roof. Meanwhile, cold air can enter the roof to generate airflow, and under the disturbance action of the airflow, hot air can be discharged through the vent holes formed in the heat dissipation buckle cover 103 to take away heat, so that the temperature of the warm roof can be further reduced, and the purpose of improving the power generation efficiency of the photovoltaic building integrated roof is achieved.
As shown in fig. 6, in some embodiments, the cool air delivery apparatus includes: an air energy device 121 electrically connected to the photovoltaic module 102 and communicating with the ventilation pipeline 11; and a hot water tank 122 connected to the air energy apparatus 121. The air energy device 121 is capable of absorbing energy from the air and converting it into heat, while discharging the air that has lost a significant amount of heat to the outside environment. Therefore, the ventilation and cooling system for the integrated photovoltaic building roof utilizes the electric energy generated by the photovoltaic module 102 by the air energy device 121, on one hand, the heat in the air is absorbed and converted into heat, and the heat is used for heating the water in the hot water tank 122, so that the heat is stored; on the other hand, the discharged cold air can be conveyed into the photovoltaic building integrated roof 10 through the ventilation pipeline 11, the temperature of the photovoltaic module is reduced, and the emission (cold air) of air energy is changed into wealth.
Preferably, in some embodiments, the cold air delivery device 12 further comprises a heat sink 123 connected to the air energy apparatus. Because the power consumption of air energy equipment 121 is very low, is far less than it and carries the electric energy of imitating the production for roofing photovoltaic cooling, and its consumption is high with the output price/performance ratio, cold air conveyor 12 utilizes the generated energy of photovoltaic building integration roofing, through the water heating in air energy equipment 121 for hot water tank 122, utilizes the cold air that air energy equipment 121 discharged out simultaneously, gives roofing photovoltaic pipe-line system with the cold air and supplies cold wind, for roofing photovoltaic module cooling. However, when the air energy device 121 heats the water to 55-60 ℃, the power consumption of the air energy device will be greatly increased, and at this time, the air energy device 121 will be switched to a radiator mode, the heat energy generated by the air energy device is no longer used for heating the water in the water tank, but the radiator 123 is used for providing cold air for the ventilation pipeline 11, and the roof cooling is continued.
In some embodiments, the air energy device 121 is further provided with a first controller, and the air energy device 121 is additionally provided with the controller, so that the air energy device can only work within a specific time, and the purposes of saving energy and increasing efficiency are achieved. For example, the air energy apparatus 121 is set to operate only during peak hours of photovoltaic power generation (9: 00 a.m. to 17:00 a.m.).
In some embodiments, the ventilation and cooling system for the integrated photovoltaic building roof further includes a fire extinguishing medium storage tank 13 communicated with the ventilation pipeline, and a second controller is arranged on the fire extinguishing medium storage tank 13. Current photovoltaic building integration roofing still exists electric fire extinguishing system imperfection, has the problem of fire control potential safety hazard, and this embodiment is through addding the medium holding vessel of putting out a fire, and usable ventilation pipeline carries the fire extinguishing gas, carries out electric fire control and puts out a fire. Specifically, the fire extinguishing medium storage tank 13 stores therein a gas (e.g., CO) for electrical fire extinguishing2) When a roof fire occurs, the ventilation pipeline 11 can be used as an electric fire-fighting gas (such as CO)2) The pipeline, a aeration cooling system accessible second controller for photovoltaic building integration roofing stops cold air conveyor 12 for ventilation pipe 11 cold air, closes cold air source pipeline, and the air source pipeline of putting out a fire is opened, toward ventilation pipe 11 conveying gas of putting out a fire and puts out a fire.
Preferably, in some embodiments, the aeration and cooling system for integrated photovoltaic building roof further comprises a fire barrier 131 disposed between the floor tile 101 and the photovoltaic module 102. The baffles are arranged between the bottom plate tile 101 and the photovoltaic assembly 102 of the integrated photovoltaic building roof at intervals to serve as fireproof partitions, fireproof partitions are formed, and the fire spreading control is facilitated and the fireproof control is facilitated. Preferably, in some embodiments, the fire barriers 131 are arranged perpendicular to the branch pipes 112, and holes are dug to avoid the branch pipes, so as to partition the integrated roof of the photovoltaic building.
In summary, the utility model provides a ventilation and cooling system for a building integrated photovoltaic roof, which comprises a ventilation pipeline arranged on the building integrated photovoltaic roof and a cold air conveying device communicated with the ventilation pipeline. Utilize cold air conveyor to provide the cold air to carry the cold air to building integrated roofing through the ventilation pipeline in, for building integrated roofing cooling, promote photovoltaic power generation efficiency, slow down the high temperature ageing phenomenon of relevant accessories, prolong the life of building integrated roofing. Meanwhile, the reduction of the roof temperature can lead to the corresponding reduction of the indoor temperature, thereby reducing the probability of high-temperature fire, and generating great positive contribution to the fire prevention of the power generation system.
It is to be understood that the utility model is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the utility model as defined by the appended claims.

Claims (8)

1. A ventilation and cooling system for a photovoltaic building integrated roof is characterized by comprising a ventilation pipeline arranged on the photovoltaic building integrated roof and a cold air conveying device communicated with the ventilation pipeline; the photovoltaic building integrated roof comprises a bottom plate tile and a plurality of photovoltaic modules arranged above the bottom plate tile; the cool air transfer device includes: the air energy equipment is electrically connected with the photovoltaic assembly and is communicated with the ventilation pipeline; and the hot water tank is connected with the air energy equipment.
2. The aeration cooling system for building-integrated photovoltaic roofing of claim 1 wherein the ventilation conduit comprises:
the main pipe is arranged on the outer wall of the photovoltaic building integrated roof;
and the plurality of branch pipes are provided with air outlet holes and are arranged between the bottom plate tile and the photovoltaic module, and the plurality of branch pipes are communicated with the main pipe.
3. The aeration cooling system for the integrated photovoltaic building roof as claimed in claim 2, wherein a plurality of sets of two air outlets located on the same cross section are arranged on the branch pipe at intervals, the included angle formed by the arrangement positions of the two air outlets and the line connecting the circle centers of the cross sections is 45 degrees, and one of the air outlets faces the ridge of the integrated photovoltaic building roof.
4. The aeration cooling system for the building-integrated photovoltaic roof according to claim 2, wherein the building-integrated photovoltaic roof further comprises a heat dissipation buckle cover arranged between the photovoltaic modules, and the heat dissipation buckle cover is provided with a ventilation hole.
5. The aeration cooling system for a building-integrated photovoltaic roof according to claim 1, wherein the cool air delivery device further comprises a heat sink connected to the air energy device.
6. The ventilation and cooling system for the integrated photovoltaic building roof as claimed in claim 1, wherein a first controller is further provided on the air energy device.
7. The aeration cooling system for the integrated photovoltaic building roof according to claim 1, wherein the aeration cooling system for the integrated photovoltaic building roof further comprises a fire extinguishing medium storage tank communicated with the ventilation pipeline, and a second controller is arranged on the fire extinguishing medium storage tank.
8. The aeration cooling system for a building-integrated photovoltaic roof according to claim 7, further comprising a fire barrier disposed between the floor tile and the photovoltaic module.
CN202122198120.5U 2021-09-13 2021-09-13 Ventilation and cooling system for integrated photovoltaic building roof Active CN216587402U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122198120.5U CN216587402U (en) 2021-09-13 2021-09-13 Ventilation and cooling system for integrated photovoltaic building roof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122198120.5U CN216587402U (en) 2021-09-13 2021-09-13 Ventilation and cooling system for integrated photovoltaic building roof

Publications (1)

Publication Number Publication Date
CN216587402U true CN216587402U (en) 2022-05-24

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Application Number Title Priority Date Filing Date
CN202122198120.5U Active CN216587402U (en) 2021-09-13 2021-09-13 Ventilation and cooling system for integrated photovoltaic building roof

Country Status (1)

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CN (1) CN216587402U (en)

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Address after: No. 1504, Building 61, Xingdu Headquarters Base, New Asia Sports City Community, Yiliu Sub district Office, Guandu District, Kunming, China (Yunnan) Pilot Free Trade Zone, Yunnan 650206

Patentee after: Yunnan nengye Construction Co.,Ltd.

Address before: 650200 4th floor, building 38, Xingdu headquarters base, Yiliu sub district office, Guandu District, Kunming, China (Yunnan) pilot Free Trade Zone, Kunming, Yunnan

Patentee before: Yunnan Baoye Metal Structure Engineering Co.,Ltd.