CN113982844B

CN113982844B - Breeze power generation system of building

Info

Publication number: CN113982844B
Application number: CN202111405333.9A
Authority: CN
Inventors: 冉农全
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2024-01-26
Anticipated expiration: 2041-11-24
Also published as: CN113982844A

Abstract

The invention relates to the field of power generation equipment, in particular to a breeze power generation system of a building. The breeze power generation system of the building comprises an air duct, power generation equipment, an air inlet cavity and heating equipment; the air duct is arranged along the height direction of the building, the power generation equipment is arranged at the top of the building, the air inlet cavity is arranged at the bottom of the building, and the heating equipment is arranged in the air inlet cavity; one end of the air duct is communicated with the power generation equipment, and the other end of the air duct is communicated with the air inlet cavity. The power generation system is combined with a building, ascending air flow is generated in the air duct by utilizing the temperature difference of different heights and the chimney principle, and the power generation equipment is driven to generate power by the flowing of the air flow. The power generation system can be combined with houses, office buildings, workshops and the like. It only uses the height of the building, does not need independent installation space, and avoids the influence on the ecological environment. The power generation system is combined with a building, and the power generation system directly supplies power to the building or supplies power in a grid-connected mode, so that the problem of high remote power transmission cost is solved.

Description

Breeze power generation system of building

Technical Field

The invention relates to the field of power generation equipment, in particular to a breeze power generation system of a building.

Background

The energy is closely related to the survival of human beings, and is a material basis for improving the living standard of people and developing world civilization. The existing energy structure has the problems of high fossil energy supply pressure, high carbon emission and the like. In order to relieve the environmental pressure, meet the increasing energy demand, realize sustainable development, develop renewable energy and become important; the comprehensive substitution of renewable energy sources and raw materials for fossil resources is an important way for solving the energy crisis.

Wind energy is one of the most widely distributed and cleanest energy sources on the earth and is inexhaustible renewable energy sources, but most of the current wind power generation devices are distributed in mountain areas or Gobi areas with little human smoke, the areas have larger wind power and rich wind power resources, larger electric quantity can be generated, long-distance power transmission is needed, and the problem of high power transmission cost exists.

Disclosure of Invention

The invention aims to provide a breeze power generation system of a building, which can solve the problem of high power transmission cost in the prior art;

the invention provides a breeze power generation system of a building, which comprises an air duct, power generation equipment, an air inlet cavity and heating equipment, wherein the air duct is connected with the power generation equipment;

the air duct is arranged along the height direction of the building, the power generation equipment is arranged at the top of the building, the air inlet cavity is arranged at the bottom of the building, and the heating equipment is arranged in the air inlet cavity;

one end of the air channel is communicated with the power generation equipment, and the other end of the air channel is communicated with the air inlet cavity.

Preferably, the air conditioner comprises a plurality of air channels, wherein the air channels are divided into a main air channel and a side air channel;

the side air duct is provided with a plurality of air inlets, and a plurality of openable air doors are arranged on the air inlets.

Preferably, the wind-collecting device further comprises a wind-collecting cover, and the air duct is communicated with the power generation equipment through the wind-collecting cover.

Preferably, the air duct comprises a plurality of air ducts, and the air ducts are arranged side by side;

and the outlet ends of the air channels are communicated with the inlet of the same air collecting cover, and the outlet of the air collecting cover is communicated with the inlet of the power generation equipment.

Preferably, the power generation equipment comprises a shell, fan blades and a generator;

the shell surrounds the formed airflow channel, the fan blades are arranged in the airflow channel, and the fan blades are connected with a motor shaft of the generator;

the air duct is communicated with the air flow channel.

Preferably, a flywheel is arranged on the motor shaft.

Preferably, the heating device includes a radiator and a heater;

the heater comprises a heating pipe and a heating tank, the heating pipe is arranged in the heating tank, and the heating pipe is connected with the power generation equipment;

the heating tank is communicated with the radiator, and a water circulation system is formed between the heating tank and the radiator.

Preferably, a water storage tank is arranged between the heating tank and the radiator;

the water storage tank is communicated with the heating tank, and a water circulation system is formed between the water storage tank and the heating tank;

the water storage tank is communicated with the radiator, and a water circulation system is formed between the water storage tank and the radiator.

Preferably, the hydrogen production energy storage device is further included, and the hydrogen production energy storage device is electrically connected with the power generation device.

Preferably, the hydrogen production energy storage device is also connected with a hydrogen storage tank.

The beneficial effects are that:

the power generation system is combined with a building, ascending air flow is generated in the air duct by utilizing the temperature difference of different heights and the chimney principle, and the power generation equipment is driven to generate power by the flowing of the air flow. The power generation mode has wide application range and can be combined with houses, office buildings, workshops and the like. It only uses the height of the building, does not need independent installation space, and avoids the influence on the ecological environment. The power generation system is combined with a building, and can directly supply power to the building or can supply power in a grid-connected mode, so that the problem of high remote power transmission cost is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a breeze power generation system of a building according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a radiator according to an embodiment of the present invention;

FIG. 3 is a top view of a heat sink according to an embodiment of the present invention;

FIG. 4 is a schematic view of a heating apparatus according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a hydrogen-producing and energy-storing device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a condensation tank according to an embodiment of the present invention.

Reference numerals illustrate:

1: air duct, 2: power generation equipment, 3: air inlet cavity, 4: heating equipment, 5: collecting fan cover, 6: a muffler; 7: a hydrogen production energy storage device;

11: main duct, 12: side air duct, 13: a damper;

41: a heat sink; 42: a heater; 43: a water storage tank;

411: a heat radiating pipe; 412: a fin; 413: a water supply pipe; 414: a drain pipe; 415: a main water supply line; 416: a main drain line;

71: an electrolytic cell; 72: a bipolar membrane; 73: an anode; 74: a cathode;

75: a hydrogen buffer tank; 76: an oxygen buffer tank; 77: a hydrogen condensing tank; 78: a hydrogen drying tank; 79: an oxygen condensing tank; 70: an oxygen drying tank;

701: a tank body; 702: a gas line; 703: a condensing pipeline; 704: a vertical tube; 705: a horizontal tube.

Detailed Description

The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, the present embodiment provides a building breeze power generation system including an air duct 1, a power generation device 2, an air intake chamber 3, and a heating device 4.

The wind channel 1 sets up along the direction of height of building, and power generation facility 2 sets up at the top of building, and air inlet chamber 3 sets up in the bottom of building, and heating device 4 sets up in air inlet chamber 3.

One end of the air duct 1 is communicated with the power generation equipment 2, and the other end is communicated with the air inlet cavity 3.

In the present embodiment, the power generation system is combined with a building, and by using the temperature difference of different heights and the chimney principle, an ascending air flow is generated in the air duct 1, and the power generation device 2 is driven to generate power by the flow of the air flow. The power generation mode has wide application range and can be combined with houses, office buildings, workshops and the like. It only uses the height of the building, does not need independent installation space, and avoids the influence on the ecological environment. The power generation system is combined with a building, and can directly supply power to the building or can supply power in a grid-connected mode, so that the problem of high remote power transmission cost is solved.

In the working process of the power generation system, under the condition that the temperature difference between the air inlet cavity 3 and the top of the building can realize the air flow, the heating equipment 4 does not need to be started. Otherwise, the heating equipment 4 is started to heat the gas in the air inlet cavity 3, the heated gas rises along the air duct 1, the gas flow is realized, and the gas flow drives the power generation equipment 2 to generate power. It is understood that the power plant 2 here is a wind power plant 2.

The power generation apparatus 2 includes a plurality of air ducts 1, and the plurality of air ducts 1 are divided into a main air duct 11 and a side air duct 12.

The side air duct 12 is provided with a plurality of air inlets, and a plurality of openable and closable air doors 13 are provided on the air inlets.

Through the arrangement of the side air duct 12, the outside natural wind flowing horizontally can be introduced into the air duct 1, and the wind power in the air duct 1 is increased.

The outlet axes of the main air duct 11 and the side air duct 12 are arranged in a crossed manner, and the discharged air passes through the main air duct 11 and the side air duct, and can be converged at the outlet due to different air outlet angles, so that spiral air is formed under the action of wind in different directions, and the effect similar to that of tornado is formed.

In addition, the main air duct 11 and the side air duct 12 are arranged in the building and are integrated into a whole, so that the appearance structure of the building floor is not changed, the interference is avoided, and the noise problem is avoided.

Here, the openable and closable damper 13 has a function of adjusting the opening of the air inlet in addition to the function of opening and closing the air inlet, for example, an electric hinge is provided on the damper 13, and the opening of the air inlet can be controlled by controlling the electric hinge. Therefore, the opening degree of the air inlet can be adjusted according to the wind power.

The breeze power generation system of the building further comprises a wind collecting cover 5, and the air duct 1 is communicated with the power generation equipment 2 through the wind collecting cover 5.

The wind collecting cover 5 is of a cylindrical structure with a large bottom and a small top, the wind discharged from the air duct 1 can be guided through the arrangement of the wind collecting cover 5, and air flows are collected and then enter the power generation equipment 2. This can increase the power generation efficiency.

Specifically, the plurality of air channels 1 are arranged side by side.

And the outlet ends of the air channels 1 are communicated with the inlet of the same air collecting hood 5, and the outlet of the air collecting hood 5 is communicated with the inlet of the power generation equipment 2.

By means of the arrangement of the plurality of air channels 1, air flows in all the air channels 1 can be gathered to the power generation equipment 2.

The power generation device 2 comprises a housing, fan blades and a generator.

The shell surrounds the formed airflow channel, the fan blades are arranged in the airflow channel, and the fan blades are connected with a motor shaft of the generator.

The air duct 1 is communicated with the air flow channel.

Specifically, the housing is a cylindrical structure, and an inlet of the cylindrical structure is butted with an outlet of the wind collecting cover 5. Therefore, the air flow exhausted from the air duct 1 is collected by the air collecting cover 5 and enters the cylindrical shell, and then the fan blades are driven to rotate, and the fan blades drive the generator to generate electricity.

The axial flow fan blade is adopted by the fan blade, and the air flow axially enters the fan blade (impeller) along the air inlet.

The motor shaft is provided with a flywheel. By the arrangement of the flywheel, the inertia of the flywheel can be used for energy storage, such as the roof equipment of a building is provided with an equipment layer, and the motor and the flywheel are arranged in the equipment layer.

In addition, a muffler 6 is further provided at the upper part of the housing of the power generation device, and the muffler 6 is a conventional pipe muffler. Noise pollution can be reduced by the provision of the muffler 6.

Referring to fig. 2 to 4, the heating apparatus 4 includes a radiator 41 and a heater 42.

The heater 42 includes a heating pipe and a heating tank, the heating pipe is provided in the heating tank, and the heating pipe is connected to the power generation device 2.

The heating tank and the radiator 41 are communicated, and a water circulation system is formed between the heating tank and the radiator 41.

The heating device 4 is an auxiliary device of the power generation system, and the air flow of the power generation device 2 mainly depends on the temperature difference, the air flow generated by the chimney effect, and the natural wind entering the side air duct 12 to generate power. The air inlet cavity 3 is arranged in the basement, and the temperature difference between the basement and the top of the floor is large in winter, so that the heating equipment 4 is not needed to assist in heating the air in the air inlet cavity 3. When the temperature difference between the air inlet cavity 3 and the floor bottom is small, the heating device 4 needs to be started.

A water storage tank 43 is provided between the heating tank and the radiator 41.

The water storage tank 43 and the heating tank are communicated, and a water circulation system is formed between the water storage tank 43 and the heating tank.

The water storage tank 43 communicates with the radiator 41, and a water circulation system is formed between the water storage tank 43 and the radiator 41.

The hot water in the water storage tank 43 may supply domestic water.

The radiator 41 includes a radiating pipe 411, a fin 412, a water supply pipe 413, and a water discharge pipe 414.

The water supply pipe 413 and the water discharge pipe 414 are arranged in pairs, a plurality of radiating pipes 411 which are arranged side by side are arranged between each pair of the water supply pipe 413 and the water discharge pipe 414, and a plurality of fins 412 which are uniformly distributed are arranged on the radiating pipes 411. The radiator 41 includes a plurality of pairs of water supply pipes 413 and water discharge pipes 414.

The plurality of water supply pipes 413 communicate with the same main water supply line 415, and the plurality of water discharge pipes 414 communicate with the same main water discharge line 416.

The main water supply line 415 communicates with the drain port of the water tank 43, and the main water drain line 416 communicates with the water inlet port of the water tank 43. The water in the water storage tank 43 flows into each water supply pipe 413 through the main water supply pipe 415, flows into the heat radiation pipe 411 through the water supply pipe 413, flows into the water discharge pipe 414 after heat radiation through the heat radiation pipe 411, and the water in the water discharge pipe 414 is collected through the main water discharge pipe 416 and returned to the water storage tank 43 through the water inlet of the water storage tank 43.

The radiating pipe 411 is arranged along the vertical direction, and the contact area between the radiating pipe 411 and the air can be increased through the arrangement of the radiating pipe 411 along the vertical direction, so that the air can be heated conveniently. The water supply pipe 413 is provided at the upper portion, and the water discharge pipe 414 is provided at the lower portion, so that the water is circulated. It is to be understood that the present embodiment adopts a conventional structure, such as a circulation pump and a valve, for circulating water.

The power generation amount and the power consumption amount are fluctuated. For example, the electricity consumption is low at night, the electricity consumption is high at daytime, and when the electricity consumption is low at night, the electricity generated by the power generation system can be used for heating the water in the water storage tank to store the hot water in the water storage tank. And when the electricity consumption is high in the daytime, the heating pipe is closed, and the water circulation between the heating tank and the water storage tank is stopped. At this time, the radiator is heated by water circulation between the water storage tank and the radiator, so that the radiator heats the air in the air inlet cavity 3.

Referring to fig. 5 to 6, the building breeze power generation system further includes a hydrogen production energy storage device electrically connected with the power generation device 2. The hydrogen production energy storage device is also connected with a hydrogen storage tank and an oxygen storage tank. The power generation equipment 2 supplies power to the hydrogen production energy storage equipment, is also an energy storage means, utilizes redundant electric quantity to prepare hydrogen, and the hydrogen can heat circulating water in the radiator through combustion.

Specifically, the hydrogen-producing energy storage device includes an electrolytic cell 71, a bipolar membrane 72, an anode 73, and a cathode 74; a bipolar membrane 72 is provided in the electrolytic cell 71 and divides the electrolytic cell 71 into an anode chamber and a cathode chamber. An anode 73 is disposed within the anode chamber, and the anode 73 is connected to the positive pole of the power generation device, a cathode 74 is disposed within the cathode chamber, and the cathode 74 is connected to the negative pole of the power generation device.

It should be noted that: since the electricity generated by the power generation device may be alternating current or direct current, when the electricity generated by the power generation device is alternating current, an ac-dc converter needs to be provided when the power generation device supplies power to the anode 73 and the cathode 74. It is also understood that when the power generation device supplies power to the load, electrical components such as filters may be provided as needed. What needs to be further explained is: the embodiment does not relate to improvement on a circuit, and the circuit used by the power generation equipment for supplying power to the hydrogen production energy storage equipment is an existing circuit.

The hydrogen production energy storage device 7 generates hydrogen by the reduction reaction of hydrogen ions at the cathode 74 and generates oxygen by the oxidation reaction of hydroxide ions at the anode 73 under the direct current.

The hydrogen-producing energy storage device further includes a hydrogen buffer tank 75 and an oxygen buffer tank 76;

the cathode chamber and the anode chamber are both closed chambers, a hydrogen buffer tank 75 is communicated with the cathode chamber through a hydrogen pipeline, and an oxygen buffer tank 76 is communicated with the anode chamber.

The hydrogen and oxygen produced will contain impurities such as water and therefore require further purification. The hydrogen production energy storage device also comprises a purification device, and impurities in the hydrogen and the oxygen can be removed through the arrangement of the purification device.

The purification apparatus includes a hydrogen condensing tank 77, a hydrogen drying tank 78, an oxygen condensing tank 79, and an oxygen drying tank 70.

The hydrogen buffer tank 75, the hydrogen condensing tank 77, and the hydrogen drying tank 78 are connected in order by piping.

The oxygen buffer tank, the oxygen condensing tank and the oxygen drying tank are sequentially connected through pipelines.

The hydrogen condensing tank 77 and the oxygen condensing tank 79 each include a tank body 701, a gas pipe 702, and a condensing pipe 703, and the gas pipe 702 is provided in the tank body 701.

The gas pipeline 702 includes vertical pipe 704 and horizontal pipe 705, and vertical pipe 704 sets up in jar body 701, and the one end of vertical pipe 704 extends to the outside of jar body 701, and the other end of vertical pipe 704 is located jar body 701, and exists the interval between the lower extreme of vertical pipe 704 and jar body 701 bottom, and horizontal pipe 705 and one end communicate with vertical pipe 704, and the other end extends to the outside of jar body 701, and jar body 701 bottom still is provided with the outlet.

The condensing piping 703 is wound around a vertical tube 704.

One end of the horizontal tube 705 located outside the tank 701 is an air inlet, one end of the vertical tube 704 located outside the tank 701 is an air outlet, and one end of the vertical tube 704 located inside the tank 701 is a condensed water outlet.

The hydrogen and oxygen discharged from the hydrogen buffer tank 75 and the oxygen buffer tank 76 enter the corresponding hydrogen condensation tank 77 and oxygen condensation tank 79, respectively, and the hydrogen and oxygen are discharged in the hydrogen condensation tank 77 and oxygen condensation tank 79 by using the principle of condensation, and the principle of both are the same, and in this embodiment, the hydrogen condensation water discharge is described as an example. The process utilizes hydrogen and water vapor having different boiling points. The hydrogen to be purified enters the horizontal tube 705 from the air inlet, then enters the vertical tube 704 from the horizontal tube 705, and in the process of conveying the gas in the vertical tube 704, as the cooling medium circulates in the condensation pipeline 703, the water vapor is liquefied into condensed water after precooling, the condensed water flows into the bottom of the tank 701, and the gas can be discharged along the air outlet of the vertical tube 704. To prevent gas from exiting the lower end of the vertical tube 704, the lower end of the vertical tube 704 is positioned below the level of the liquid in the tank 701.

The hydrogen drying tank 78 and the oxygen drying tank 70 are provided with a plurality of drying layers in sequence from top to bottom, the drying layers are filled with adsorption materials, the adsorption materials are activated carbon, sewage calcium chloride, silica gel particles and the like, and the adsorption materials can be set according to requirements.

The hydrogen drying tank 78 and the oxygen drying tank 70 each include an air inlet and an air outlet, the air inlet of the hydrogen drying tank 78 communicates with the air outlet of the hydrogen condensing tank 77, and the air inlet of the oxygen drying tank 70 communicates with the air outlet of the oxygen condensing tank 79. The exhaust port of the hydrogen drying tank 78 communicates with the hydrogen storage tank, and the exhaust port of the oxygen drying tank 70 communicates with the oxygen storage tank.

The hydrogen and oxygen are utilized in the hydrogen drying tank 78 and the oxygen drying tank 70 to remove water by using an adsorption principle, the working principles of the two are identical, hydrogen is taken as an example for illustration, hydrogen discharged from the hydrogen condensing tank 77 enters the drying tank through an air inlet of the hydrogen drying tank 78, then sequentially passes through multiple drying layers, is dried by the drying layers and then is discharged from an air outlet of the hydrogen drying tank 78, finally is stored in the hydrogen storage tank, and corresponding oxygen is stored in the oxygen storage tank.

The hydrogen production energy storage device further comprises a combustor and a water circulation pipeline, an air inlet of the combustor is communicated with the hydrogen storage tank and the oxygen storage tank in the opposite direction, and a control valve is arranged on the connecting pipeline of the hydrogen storage tank, the oxygen storage tank and the combustor and used for controlling the supply proportion of oxygen and hydrogen. The hydrogen and oxygen are combusted at a burner. The water circulation pipeline is communicated with the heating tank and is used for conveying hot water into the heating tank through water circulation.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims

1. The breeze power generation system of the building is characterized by comprising an air duct, power generation equipment, an air inlet cavity and heating equipment;

one end of the air duct is communicated with the power generation equipment, and the other end of the air duct is communicated with the air inlet cavity;

the air conditioner comprises a plurality of air channels, wherein the air channels are divided into a main air channel and a side air channel;

the side air duct is provided with a plurality of air inlets, and a plurality of openable air doors are arranged on the air inlets;

the openable and closable air door can open and close the air inlet, can also adjust the opening of the air inlet, and the outlet axes of the main air duct and the side air duct are arranged in a crossed manner;

a muffler is also arranged at the upper part of the shell of the power generation equipment;

the building breeze power generation system also comprises hydrogen production energy storage equipment, wherein the hydrogen production energy storage equipment is electrically connected with the power generation equipment;

the hydrogen production energy storage device is also connected with a hydrogen storage tank;

the hydrogen production energy storage device comprises a purification device, wherein the purification device comprises a hydrogen condensing tank, a hydrogen drying tank, an oxygen condensing tank and an oxygen drying tank;

the hydrogen condensing tank and the oxygen condensing tank comprise a tank body, a gas pipeline and a condensing pipeline, wherein the gas pipeline is arranged in the tank body;

the gas pipeline comprises a vertical pipe and a horizontal pipe, the vertical pipe is arranged in the tank body, one end of the vertical pipe extends to the outer side of the tank body, the other end of the vertical pipe is positioned in the tank body, a space exists between the lower end of the vertical pipe and the bottom of the tank body, the horizontal pipe is communicated with the vertical pipe at one end, the other end of the vertical pipe extends to the outer side of the tank body, and a water outlet is further formed in the bottom of the tank body;

the condensing pipeline is wound on the vertical pipe, one end of the horizontal pipe, which is positioned at the outer side of the tank body, is an air inlet, one end of the vertical pipe, which is positioned at the outer side of the tank body, is an air outlet, and one end of the vertical pipe, which is positioned at the inner side of the tank body, is a condensed water outlet.

2. The building breeze power generation system of claim 1, further comprising a wind collection housing through which the wind tunnel communicates with the power generation device.

3. The building breeze power generation system of claim 2, comprising a plurality of the air ducts, the plurality of air ducts being arranged side-by-side;

4. The building breeze power generation system of claim 1, wherein the power generation device comprises a housing, a fan blade, and a generator;

the air duct is communicated with the air flow channel.

5. The building breeze power generation system of claim 4, wherein the motor shaft is provided with a flywheel.

6. The building breeze power generation system of claim 1, wherein the heating device comprises a radiator and a heater;

7. The building breeze power generation system of claim 6, wherein a water storage tank is provided between the heating tank and the radiator;