CN117605615A - Power generation device, wall body using same and building - Google Patents
Power generation device, wall body using same and building Download PDFInfo
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- CN117605615A CN117605615A CN202311755735.0A CN202311755735A CN117605615A CN 117605615 A CN117605615 A CN 117605615A CN 202311755735 A CN202311755735 A CN 202311755735A CN 117605615 A CN117605615 A CN 117605615A
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- 238000010248 power generation Methods 0.000 title claims abstract description 111
- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 20
- 239000010935 stainless steel Substances 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 description 14
- 230000005611 electricity Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910001192 SAE 1211 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/08—Down pipes; Special clamping means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Wind Motors (AREA)
Abstract
The application relates to a power generation device, a wall body using the same and a building, wherein the power generation device comprises a venturi tube, a generator and a metal outer frame, and the venturi tube is fixedly arranged in the inner space of the metal outer frame; the venturi tube comprises an air inlet, an air outlet and a central pipeline positioned between the air inlet and the air outlet; wherein, the generator includes: the power assembly comprises a transmission shaft and stainless steel blades, and the upper part of the transmission shaft is rotatably arranged in the central pipeline; the stainless steel blades are symmetrically arranged at the upper part of the transmission shaft; the brake component is arranged at the lower part of the transmission shaft and is positioned outside the central pipeline, and the rotating speed of the transmission shaft is reduced to safe working rotating speed when the wind speed is excessive; the power generation assembly is connected to the bottom end of the transmission shaft, and the transmission shaft rotates to enable the power generation assembly to generate power. A wall body and a building using the power generation device are also provided. The application realizes the wind power generation application of the roofs of medium and high-rise buildings.
Description
Technical Field
The application belongs to the technical field of building power generation, and particularly relates to a power generation device, a wall body using the same and a building.
Background
Wind power generation is to convert kinetic energy of wind into electric energy. Wind energy is becoming more and more important worldwide as a clean renewable energy source. Wind energy utilization generally requires abundant wind resources and open sites, and areas meeting both conditions are generally in suburban areas or in gobi areas or mountainous areas where people are rare. The distance between the power generation end and the power utilization end is long, and the problems of power grid connection and power transmission and distribution are endless. In order to realize the on-site absorption and utilization of wind energy, the urban characteristics are combined, and the wind power generation scene is further expanded at the electricity utilization end through technical innovation based on the endowment of urban wind power resources.
In fact, roof wind power resources of medium and high-rise buildings are better. Due to boundary layer effects, the wind speed in urban high altitudes can be significantly higher than the ground wind speed. However, the current lack of a power generation device and a system capable of efficiently utilizing the wind power resources of the roof of the building results in low utilization rate of the wind power resources of the roof of the medium-high-rise building in the prior art.
Disclosure of Invention
In view of the above analysis, the embodiment of the invention aims to provide a power generation device, a wall body and a building using the same, which are used for solving the technical problem that the utilization rate of the existing roof wind power resources of the medium-high-rise building is low.
The purpose of the invention is realized in the following way:
in a first aspect, a power generation device is provided, including a venturi tube, a generator and a metal outer frame, wherein the venturi tube is fixedly installed in an inner space of the metal outer frame; the venturi tube comprises an air inlet, an air outlet and a central pipeline positioned between the air inlet and the air outlet;
wherein, the generator includes:
the power assembly comprises a transmission shaft and stainless steel blades, and the upper part of the transmission shaft is rotatably arranged in the central pipeline; the stainless steel blades are symmetrically arranged at the upper part of the transmission shaft;
the brake assembly is arranged at the lower part of the transmission shaft and is positioned outside the central pipeline and is configured to reduce the rotating speed of the transmission shaft to a safe working rotating speed when the wind speed is excessive;
the power generation assembly is connected to the bottom end of the transmission shaft, and the transmission shaft rotates to enable the power generation assembly to generate power.
Further, the power generation device further comprises a battery assembly and a control assembly, wherein the battery assembly is configured to store the electric energy generated by the power generation assembly; the control assembly is configured to control the operational operation of the generator.
Further, the stainless steel blade is an arc-shaped plate, and the vertical edge of the arc-shaped plate is fixed on the transmission shaft.
Further, the power assembly further comprises a plurality of ABS blades, each ABS blade and the transmission shaft are respectively provided with an upper connecting point and a lower connecting point, two ends of each ABS blade are connected to the transmission shaft and then arc-shaped, the plurality of arc-shaped ABS blades are located on one spherical surface, and the stainless steel blades are located in a spherical space surrounded by the plurality of ABS blades.
Further, the brake assembly comprises a box body, a fixed ring, a first centrifugal rod, a second centrifugal rod, a centrifugal pendulum, a brake ring and a brake disc; the top surface and the bottom surface of the box body are provided with through holes for the transmission shaft to pass through, and the bottom of the box body is fixed on the power generation assembly; the brake ring is fixed at the through hole on the bottom surface of the box body, and the transmission shaft penetrates through the brake ring; the fixed ring is fixedly arranged on the transmission shaft and is positioned above the brake ring; the fixed ring is hinged with the first end of the first centrifugal rod, the second end of the first centrifugal rod is hinged with the upper end of the centrifugal pendulum, the lower end of the centrifugal pendulum is hinged with the first end of the second centrifugal rod, and the second end of the second centrifugal rod is hinged with the brake disc; the brake disc is sleeved on the transmission shaft in a sliding manner and can move upwards to be in friction contact with the brake ring.
Further, the brake disc is provided with a sleeve and a limiting part, and the sleeve is sleeved on the transmission shaft in a sliding manner and is hinged with the second end of the second centrifugal rod; the limiting part is arranged on the outer wall of the sleeve, and can be clamped at the braking ring when the braking disc ascends along the transmission shaft.
Further, the limiting part is a circular ring, the circular ring is arranged at the bottom end opening of the sleeve, and the outer diameter of the circular ring is larger than the diameter of the sleeve and the inner diameter of the brake ring.
Further, the power generation assembly comprises a main gear, a generator main body and a motor gear; the number of the generator main bodies is four, the diameter of the main gear is four times of that of the motor gear, the main gear is connected to the bottom end of the transmission shaft, the number of the motor gears is four, each motor gear is connected with a rotor shaft of one generator main body, the four generator main bodies are uniformly arranged around the main gear, and the main gear is meshed and connected with the four motor gears simultaneously.
Further, a top photovoltaic panel is arranged on the top of the metal outer frame.
In a second aspect, a wall body using the power generation device provided in the first aspect is provided, including a matched parapet wall arranged on a roof, and a plurality of power generation devices are arranged on the matched parapet wall side by side to form a combined parapet wall.
Further, a matched parapet is provided with an embedded connecting piece, the bottom of the metal outer frame is provided with a parapet connecting anchor point, and the parapet connecting anchor point is fixedly connected with the embedded connecting piece; the bottom of the metal outer frame is provided with a bottom support, the bottom support is fixed on a bottom plate of the metal outer frame, one side of the bottom plate transversely extends beyond the bottom support, the height of the bottom support is equal to the height of a wall body of the matched parapet, and the part of the bottom plate transversely extending beyond the bottom support is fixedly connected with the top surface of the matched parapet.
In a third aspect, there is provided a building comprising:
roof covering;
the wall body that the second aspect provided is located on the roofing.
Compared with the prior art, the invention has at least one of the following beneficial effects:
a) The power generation device provided by the invention activates roof wind power resources by utilizing the Venturi effect, realizes the efficient utilization of building wind energy, can weaken the airflow diversion effect of the roof, reduces the wind suction caused by high wind speed, and obviously reduces the roof photovoltaic laying difficulty. .
b) According to the power generation device, the generator is provided with the brake component, so that irreversible damage to equipment under the condition of overlarge wind speed or other extreme working conditions can be avoided.
c) According to the power generation device provided by the invention, the top photovoltaic panel of the power generation device is obliquely arranged, the windward side is obliquely upwards, wind can be guided to obliquely upwards flow, and air flows to the upper part of the central area of the roof after being guided by the top photovoltaic panel, so that the air flow separation effect formed at the tops of middle and high-rise buildings due to excessive wind speed can be further avoided, the direct blowing to the photovoltaic on the spatial roof surrounded by the combined parapet wall is avoided, the roof photovoltaic laying difficulty is obviously reduced, and the safety and stability of the photovoltaic are ensured.
d) According to the wall body with the power generation devices, the reserved columns are arranged at the corners of the matched parapet wall, so that the power generation devices connected in rows can be connected more firmly.
e) The building provided by the invention not only realizes the efficient utilization of building wind energy, but also realizes the utilization of solar energy by arranging the photovoltaic system on the roof.
Drawings
In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic view of the overall construction of the present invention with a power plant mounted to a roof of the construction.
Fig. 2 is a schematic cross-sectional view of the power generation device provided by the invention mounted on a parapet.
Fig. 3 is a schematic structural diagram of the power generation device provided by the invention.
Fig. 4 is a side view of the power generation device provided by the present invention.
Fig. 5 is a schematic diagram of a disassembled structure of the power generation device provided by the invention.
Fig. 6 is a schematic cross-sectional view of a power generation device according to the present invention.
Fig. 7 is a schematic structural diagram of a generator provided by the present invention.
Fig. 8 is a schematic structural diagram of a power generation assembly of the generator provided by the invention.
Fig. 9 is a schematic cross-sectional view of a brake assembly and a power generation assembly of the generator provided by the invention.
Fig. 10 is a schematic structural view of a brake assembly of the generator provided by the invention.
Fig. 11 is a top view of a brake assembly of a generator provided by the present invention.
Reference numerals:
1-a power generation device; 11-a venturi; 111-an air inlet; 112-an air outlet; 113-a central duct; a 12-generator; 121-a power assembly; 1211-a drive shaft; 1212-stainless steel blades; 1213-high strength ABS blade; 122-a brake assembly; 1221-a securing ring; 1222-a first centrifugal rod; 1223-a second eccentric rod; 1224-centrifugal pendulum; 1225-a brake ring; 1226-brake disc; 1226 a-sleeve; 1226 b-a stop; 123-a power generation assembly; 1231-main gear; 1232-generator body; 1233-motor gear; 124-battery assembly; 125-a control assembly; 13-a metal outer frame; 131-stainless steel plate; 132—an air inlet/outlet panel; 133-top photovoltaic panel; 134-top photovoltaic rack; 135-a protective net; 136-an access port; 137-parapet connecting anchor points; 138-a power generation module serial-parallel interface; 139-bottom bracket; 2-matched parapet; 21-a wall; 22-waterproof coiled materials; 23-embedding a connecting piece; 24-drainage channels; 25-downpipe; 26-a reserved column; 3-roofing distributed photovoltaic.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. It should be noted that embodiments and features of embodiments in the present disclosure may be combined, separated, interchanged, and/or rearranged with one another without conflict. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. Moreover, like reference numerals designate like parts.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising," and variations thereof, are used in the present specification, the presence of stated features, integers, steps, operations, elements, components, and/or groups thereof is described, but the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximation terms and not as degree terms, and as such, are used to explain the inherent deviations of measured, calculated, and/or provided values that would be recognized by one of ordinary skill in the art.
Example 1
The invention discloses a wall body applying a power generation device, which is a wind-light power generation wall body based on a building roof parapet wall structure and capable of efficiently utilizing building roof wind power resources by utilizing Venturi effect.
As shown in fig. 1 to 2, the wind-solar power generation wall comprises a matched parapet 2, wherein the matched parapet 2 is arranged on a roof; the matched parapet 2 is provided with a power generation device 1, and the power generation device 1 is configured to convert wind energy of a roof into electric energy; the power generation devices 1 are arranged on the matched parapet 2 side by side to form a combined parapet, no gap exists between two adjacent power generation devices 1, and the two adjacent power generation devices 1 are connected through the power generation module serial-parallel connection interface 138.
In the embodiment, a reserved column 26 is arranged at the corner of the matched parapet 2, and the top end of the reserved column 26 protrudes out of the top surface of the matched parapet 2; the power generation device 1 near the corner of the matched parapet 2 is fixedly connected with the matched parapet 2 and the reserved column 26. By arranging the reserved columns 26 at the corners of the matched parapet wall 2, the power generation devices 1 connected in rows can be connected more firmly.
In this embodiment, the parapet 2 includes a wall 21, a pre-buried connecting piece 23 is provided at the top of the wall 21, a parapet connecting anchor 137 is provided at the bottom of the power generating device 1, and the parapet connecting anchor 137 is fixedly connected with the pre-buried connecting piece 23.
In this embodiment, the outside of the wall 21 is provided with a downspout 25 configured to receive rain water falling from the top photovoltaic panel 133 of the power plant 1. Further, to effectively organize roof drainage, the side walls of the wall 21 are provided with drainage channels 24, the drainage channels 24 being configured to drain roof stormwater into a downspout 25.
Compared with the prior art, the wall body with the power generation device has the advantages that the power generation devices are arranged on the matched parapet wall, and the power generation devices activate roof wind power resources by utilizing the Venturi effect, so that the high-efficiency utilization of building wind energy is realized. Wind energy of a building roof is converted into electric energy through the plurality of power generation devices, the airflow diversion effect of the roof is weakened, wind suction caused by high wind speed is reduced, and the roof photovoltaic laying difficulty is remarkably reduced. Through being equipped with the reserved post in supporting parapet's corner, can make the power generation facility connection of row's connection more firm.
Example 2
In one embodiment of the present invention, a power generation device in embodiment 1 is disclosed, as shown in fig. 3 to 11, the power generation device 1 includes a venturi tube 11, a generator 12, and a metal outer frame 13, the venturi tube 11 being fixedly installed in an inner space of the metal outer frame 13; the venturi tube 11 is made of stainless steel material, the surface is smooth, the venturi tube 11 comprises an air inlet 111, an air outlet 112 and a central pipeline 113 positioned between the air inlet 111 and the air outlet 112, and a first part of the generator 12 is arranged in the central pipeline 113. In the power generation devices 1, wind energy of a building roof is captured through the air inlet 111, air flows into the venturi tube 11 from the air inlet 111, the wind speed in the venturi tube 11 is increased due to the venturi effect, the generator 12 arranged in the central pipeline 113 is further driven to generate power, and finally the air is discharged from the air outlet 112.
In this embodiment, the generator 12 includes a power assembly 121, a brake assembly 122, a power generation assembly 123, a battery assembly 124, and a control assembly 125; wherein, the power assembly 121 comprises a transmission shaft 1211 and stainless steel blades 1212, the upper part of the transmission shaft 1211 is rotatably arranged in the central pipeline 113, and the axis of the transmission shaft 1211 is perpendicular to the central line of the central pipeline 113; the stainless steel blades 1212 are symmetrically arranged on the upper part of the transmission shaft 1211, the stainless steel blades 1212 are arc-shaped plates, and the vertical edges of the arc-shaped plates are fixed on the transmission shaft 1211; the brake assembly 122 is arranged at the lower part of the transmission shaft 1211 and is positioned outside the central pipeline 113, and is configured to reduce the rotation speed of the transmission shaft 1211 to a safe working rotation speed when the wind speed is excessive; the power generation assembly 123 is connected to the bottom end of the transmission shaft 1211, and the transmission shaft 1211 rotates to enable the power generation assembly 123 to generate power; the battery assembly 124 is configured to store the electric energy generated by the power generation assembly 123; the control assembly 125 is configured to control the operational operation of the generator 12.
In this embodiment, a first part of the generator 12 is located in the venturi tube 11, and a second part of the generator 12 is located in a space between an outer wall of the venturi tube 11 and the metal outer frame 13. Wherein the first portion of the generator 12 includes stainless steel blades 1212 of the power assembly 121 and the portion of the drive shaft 1211 within the central conduit 113; the second portion of the generator 12 includes a brake assembly 122, a power generation assembly 123, a battery assembly 124, and a control assembly 125, and a portion of the drive shaft 1211 that is located outside of the central conduit 113.
Further, the power assembly 121 further includes a plurality of ABS blades 1213, and the ABS blades have the advantages of high strength, good toughness and easy processing and forming, each ABS blade 1213 and the transmission shaft 1211 have an upper connection point and a lower connection point, two ends of the ABS blade 1213 are connected on the transmission shaft 1211 and then arc, the plurality of arc ABS blades 1213 are located on a sphere, and the stainless steel blade 1212 is located in a sphere space surrounded by the plurality of ABS blades 1213.
It will also be understood that the generator 12 in this embodiment adopts a spherical breeze generator, in which the diameter of the sphere where the plurality of arc ABS blades 1213 are located is slightly smaller than the diameter of the central duct 113 of the venturi tube 11, the diameter of the central duct 113 of the venturi tube 11 is 220mm, and the maximum diameters of the air inlet 111 and the air outlet 112 of the venturi tube 11 are 1000mm, specifically, shrink from 1000 to 220mm in a 250mm deep space. The installed capacity of the power generation device 1 is 250W, and when the external wind speed reaches 2m/s according to CFD simulation, the installed capacity can reach 25m/s through a venturi tube, namely the working range of the wind driven generator can be reached.
In this embodiment, the brake assembly 122 includes a housing, a stationary ring 1221, a first centrifugal stem 1222, a second centrifugal stem 1223, a centrifugal pendulum 1224, a brake ring 1225, and a brake disc 1226; the middle section of the transmission shaft 1211 is provided with a fixed ring 1221 which is connected with a first centrifugal rod 1222, the first centrifugal rod 1222 is connected with the upper end of a centrifugal pendulum 1224, the lower end of the centrifugal pendulum 1224 is connected with a second centrifugal rod 1223, the other end of the second centrifugal rod 1223 is connected with a brake disc 1226, and meanwhile, a brake ring 1225 is installed at the bottom of a box body of the brake assembly. Specifically, the top and bottom surfaces of the case are provided with through holes through which the transmission shaft 1211 passes, and the bottom of the case is fixed on the power generation assembly 123; the brake ring 1225 is fixed at the through hole on the bottom surface of the case, and the transmission shaft 1211 passes through the brake ring 1225; the fixed ring 1221 is fixedly mounted on the transmission shaft 1211, and the fixed ring 1221 is positioned above the brake ring 1225; the fixed ring 1221 is hinged to a first end of the first centrifugal rod 1222, a second end of the first centrifugal rod 1222 is hinged to an upper end of the centrifugal pendulum 1224, a lower end of the centrifugal pendulum 1224 is hinged to a first end of the second centrifugal rod 1223, and a second end of the second centrifugal rod 1223 is hinged to the brake disc 1226; the brake disk 1226 is slidably received over the drive shaft 1211 and is capable of moving upwardly into frictional contact with the brake ring 1225. In case of excessive wind speeds, the brake assembly 122 functions: the transmission shaft 1211 drives the centrifugal pendulum 1224 to rotate, and as the centrifugal force causes the centrifugal pendulum 1224 to continuously move upwards, when the wind speed continuously increases and exceeds the limit value, the centrifugal pendulum 1224 rapidly lifts the brake disc 1226 upwards through the second centrifugal rod 1223 at the lower end, and at this time, the brake disc 1226 gradually approaches the brake ring 1225 until friction occurs and braking force is generated; at this time, the braking force is transmitted to the transmission shaft 1211 through the second centrifugal rod 1223, the centrifugal pendulum 1224, the first centrifugal rod 1222, and the fixed ring 1221 in order, and finally, a braking effect is generated, so that irreversible damage to the device caused by excessive wind speed or other extreme conditions can be avoided.
Further, brake assembly 122 may automatically control the rotational speed of drive shaft 1211 by adjusting the weight of centrifugal pendulum 1224. Optionally, centrifugal pendulum 1224 includes a plurality of pendulum units, and a plurality of pendulum units adopt an assembled structure, so that disassembly and assembly can be realized.
In one alternative embodiment, the brake disc 1226 has a sleeve 1226a and a stopper 1226b, the sleeve 1226a being slidably received over the drive shaft 1211 and hinged to the second end of the second eccentric rod 1223; a stopper 1226b is provided on the outer wall of the sleeve 1226a, and can be caught at the brake ring 1225 when the brake disc 1226 rises along the drive shaft 1211.
Further, the limiting portion 1226b is a ring, and the ring is disposed at the bottom end opening of the sleeve 1226a, and the outer diameter of the ring is greater than the diameter of the sleeve 1226a and the inner diameter of the brake ring 1225. Optionally, the ring is integrally formed with the sleeve 1226 a.
In one alternative embodiment, the power generation assembly 123 includes a main gear 1231, a generator body 1232, and a motor gear 1233, wherein the main gear diameter is four times the motor gear diameter, and a total of four generator bodies 1232 are disposed at 90 degree angles around the main gear. That is, the power generation assembly 123 includes a main gear 1231, a generator main body 1232, and a motor gear 1233; the number of the generator main bodies 1232 is four, the diameter of the main gear 1231 is four times of the diameter of the motor gear 1233, the main gear 1231 is connected to the bottom end of the transmission shaft 1211, the number of the motor gears 1233 is four, each motor gear 1233 is connected to the rotor shaft of one generator main body 1232, the four generator main bodies 1232 are uniformly arranged around the main gear 1231, and the main gear 1231 is simultaneously meshed with the four motor gears 1233. Because of the large power generator, the size of the generator is also large, and the embodiment adopts the structure arrangement to improve the overall power generation of the generator 12 by arranging four small generators in a small space.
In one alternative embodiment, battery assembly 124 includes a number of ternary lithium battery packs.
In this embodiment, the control assembly 125 includes a power generation controller and a rotational speed sensor; wherein the power generation controller is configured to monitor the charge and discharge conditions of the battery assembly 124 and to monitor the real-time output power of the generator 12; the rotational speed sensor is configured to monitor a real-time rotational speed of the drive shaft 1211 of the generator 12 and transmit the monitored rotational speed signal to the power generation controller.
During the generation of electricity, the generator 12 converts the collected wind energy into mechanical energy by the wind pushing the stainless steel blades 1212 and the high strength ABS blades 1213 in the power assembly 121 to rotate. The blades drive the transmission shaft 1211 to rotate, and further, the transmission shaft 1211 drives the main gear 1231, the main gear 1231 drives the motor gear 1233, and the motor gear 1233 drives the generator main body 1232 to generate electricity. The generator main body 1232 converts mechanical energy into electrical energy and stores the electrical power in the battery assembly 124, and the rotational speed sensor monitors the rotational speed of the generator in real time and transmits a signal to the power generation controller; the power generation controller monitors the charge and discharge conditions of the battery assembly 124 in real time, and further monitors the real-time output power of the generator 12.
In this embodiment, the metal outer frame 13 is an external member of the power generation device 1, the whole of the metal outer frame 13 is in a cuboid structure, four sides of the metal outer frame 13 are constructed by stainless steel plates 131, and the other two sides are provided with openings, or an air inlet and outlet panel 132 allowing air to pass through is arranged at the openings, corresponding to the air inlet 111 and the air outlet 112 of the venturi tube 11. That is, the metal outer frame 13 includes a rectangular cylinder formed by sequentially connecting four stainless steel plates 131, the venturi tube 11 is coaxially arranged in the rectangular cylinder, and the air inlet 111 and the air outlet 112 of the venturi tube 11 are opened toward both ends of the rectangular cylinder, respectively. Optionally, openings at two ends of the rectangular cylinder are provided with air inlet and outlet panels 132, and the air inlet and outlet panels 132 are provided with ventilation holes.
Further, the metal outer frame 13 further comprises a top photovoltaic panel 133 and a top photovoltaic bracket 134, wherein the top photovoltaic panel 133 is arranged above the rectangular cylinder through the top photovoltaic bracket 134; and, the top photovoltaic panel 133 is arranged obliquely, and the windward side is inclined upward. The wind can be guided to flow obliquely upwards, the airflow separation effect formed at the tops of the middle and high-rise buildings due to excessive wind speed can be further avoided, the direct blowing to the photovoltaic on the space roof surrounded by the combined parapet wall is avoided, the roof photovoltaic laying difficulty is remarkably reduced, and the safety and stability of the photovoltaic are ensured.
In one alternative implementation manner, since the wind-solar power generation wall body in this embodiment is disposed on the roof of the middle-high-rise building, in order to prevent lightning strike, the top photovoltaic bracket 134 has a lightning receiving function, and is connected to the lightning protection facility of the building through the metal frame 13, so as to avoid damage to the whole roof system in thunderstorm weather.
In one alternative embodiment, both the air inlet 111 and the air outlet 112 of the venturi tube 11 are provided with a protection net 135, so as to prevent sundries from entering the venturi tube 11, thereby affecting the normal operation of the generator 12 and even causing damage to the generator.
For convenient maintenance, an access hole 136 is formed in the top plate of the rectangular cylinder of the metal outer frame 13, and the access hole 136 is formed in the central area of the top plate of the metal outer frame.
In one alternative embodiment, the bottom of the metal outer frame 13 is provided with a bottom bracket 139, the bottom bracket 139 is fixed on the bottom plate of the rectangular cylinder, one side of the bottom plate of the rectangular cylinder transversely exceeds the bottom bracket 139, the height of the bottom bracket 139 is equal to the height of the wall 21 of the matched parapet 2, and the part of the bottom plate of the rectangular cylinder transversely exceeding the bottom bracket 139 is fixedly connected with the top surface of the matched parapet 2. The bottom of the metal outer frame 13 is provided with a parapet connecting anchor point 137 for being connected with the embedded connecting piece 23 on the matched parapet 2. Therefore, the power generation device 1 can be directly leaned against the wall body 21, the parapet connecting anchor point 137 at the bottom of the metal outer frame 13 can be contacted with the top surface of the wall body 21, and the bottom bracket 139 can be contacted with the inner side wall surface of the wall body 21, so that the connection between the wall body 21 and the metal outer frame 13 is more stable.
Compared with the prior art, the power generation device provided by the embodiment has at least one of the following beneficial effects:
1. the venturi effect is utilized to activate roof wind power resources, so that the high-efficiency utilization of building wind power is realized, the airflow diversion effect of the roof can be weakened, the wind suction force caused by high wind speed is reduced, and the roof photovoltaic laying difficulty is remarkably reduced.
2. The generator is provided with the brake component, so that irreversible damage to equipment caused by overlarge wind speed or other extreme working conditions can be avoided.
3. The top photovoltaic plates of the power generation device are obliquely arranged, the windward side is obliquely upwards, wind can be guided to obliquely upwards flow, air flows to the upper side of the central area of the roof after being guided by the top photovoltaic plates, so that the air flow separation effect formed at the top of a medium-rise building due to overlarge wind speed can be further avoided, the direct blowing to the photovoltaic on the spatial roof surrounded by the combined parapet wall is avoided, the roof photovoltaic laying difficulty is remarkably reduced, and the safety and stability of the photovoltaic are ensured.
Example 3
In one embodiment of the present invention, as shown in fig. 1 to 2, a building is disclosed, which includes the wall body to which the power generation device of embodiment 1 is applied and the power generation device of embodiment 2. The building in this embodiment is a medium-high rise building such as a residential building, a non-single-storey building, a warehouse, and other residential buildings having a height of greater than 24 m.
Specifically, the building in the present embodiment includes:
roof covering;
the matched parapet wall 2 is arranged on the roof;
a power generation device 1 configured to convert wind energy of a roof into electric energy; the power generation devices 1 are fixedly arranged on the matched parapet 2 side by side to form a combined parapet; that is, the power generation devices 1 are closely arranged and distributed on the building roof, are connected with each other through the power generation module serial-parallel connection interfaces 138, and are connected with the embedded connectors 23 on the matched parapet 2 by utilizing the parapet connection anchor points 137 at the bottom of the metal outer frame 13;
the photovoltaic power generation assembly is arranged in a roof central area of a space surrounded by the combined parapet wall.
In one alternative embodiment, the photovoltaic power generation assembly adopts a roof distributed photovoltaic 3, consists of a distributed photovoltaic array, and is connected with the power generation device 1 through a cable to be uniformly connected with an inverter. A plurality of power generation devices 1 are connected with each other to form a roof power generation system together with a roof distributed photovoltaic 3 in a roof central area.
In one alternative embodiment, the height of the photovoltaic power generation module is lower than the height of the composite parapet wall. That is, the height of the highest point of the photovoltaic power generation module is lower than the height of the highest point of the power generation device 1, and the plurality of top photovoltaic panels 133 on each of the combined walls are arranged obliquely to form a combined inclined plane which rises toward the central area of the roof, so that when wind blows onto the top photovoltaic panels 133, the wind blows toward the upper portion of the roof center under the guidance of the combined inclined plane, thereby avoiding direct blowing of the top photovoltaic panels 133.
Further, a waterproof roll 22 is laid on the roof.
Taking a high-rise building as an example, the roof area is about 700m 2 The installed amount of the power generation device 1 is 250W, about 90-100 modules can be installed, and the installed amount is 22.5kW-25kW; the module photovoltaic top plate and the roof distributed photovoltaic 3 can be installed with about 20-25kW, and the roof system assembly machine can reach 42.5-50kW. The annual energy production is 18 kWh, and the electricity consumption of 100 families in one year can be met. Meanwhile, as the power generation device is combined with the parapet, the wind force of the roof is weakened, the wind environment is improved to a certain extent, and the distributed photovoltaic 3 wind load of the roof center roof is reduced.
Compared with the prior art, the building provided by the embodiment is a middle-high-rise building, a plurality of power generation devices are arranged on the matched parapet, and the distributed photovoltaic arrangement of the roof is arranged in the central area of the building roof, so that the utilization efficiency of the building roof in energy sources is further improved. Has the following two advantages: firstly, building roof wind resources are utilized efficiently, and the power generation efficiency per unit area is higher than that of a traditional building roof distributed photovoltaic; secondly, optimize roofing wind environment, because power generation facility has not only played traditional parapet's wind-proof effect, utilize building roof wind energy to carry out wind-powered electricity generation simultaneously, reduced roof wind speed, weakened wind suction simultaneously, played the guard action to roofing distributing type photovoltaic.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present application, and are not meant to limit the scope of the invention, but to limit the scope of the invention.
Claims (10)
1. The power generation device is characterized by comprising a venturi tube (11), a generator (12) and a metal outer frame (13), wherein the venturi tube (11) is fixedly arranged in the inner space of the metal outer frame (13); the venturi tube (11) comprises an air inlet (111), an air outlet (112) and a central pipeline (113) positioned between the air inlet (111) and the air outlet (112);
wherein the generator (12) comprises:
a power assembly (121), the power assembly (121) comprising a drive shaft (1211) and stainless steel blades (1212), an upper portion of the drive shaft (1211) being rotatably disposed within the central conduit (113); the stainless steel blades (1212) are symmetrically arranged at the upper part of the transmission shaft (1211);
a brake assembly (122), the brake assembly (122) being provided at a lower portion of the drive shaft (1211) and being located outside the central duct (113), configured to reduce the rotational speed of the drive shaft (1211) to a safe operating rotational speed when the wind speed is excessive;
and the power generation assembly (123) is connected to the bottom end of the transmission shaft (1211), and the transmission shaft (1211) rotates to enable the power generation assembly (123) to generate power.
2. The power generation device according to claim 1, wherein the power assembly (121) further comprises a plurality of ABS blades (1213), each ABS blade (1213) and the transmission shaft (1211) have an upper connection point and a lower connection point, two ends of the ABS blade (1213) are arc-shaped after being connected to the transmission shaft (1211), the plurality of arc-shaped ABS blades (1213) are located on a spherical surface, and the stainless steel blade (1212) is located in a spherical space surrounded by the plurality of ABS blades (1213).
3. The power generation apparatus of claim 1, wherein the brake assembly (122) comprises a housing, a stationary ring (1221), a first centrifugal stem (1222), a second centrifugal stem (1223), a centrifugal pendulum (1224), a brake ring (1225), and a brake disc (1226);
wherein, the top surface and the bottom surface of the box body are provided with through holes for the transmission shaft (1211) to pass through, and the bottom of the box body is fixed on the power generation assembly (123); the brake ring (1225) is fixed at a through hole on the bottom surface of the box body, and the transmission shaft (1211) penetrates through the brake ring (1225);
the fixed ring (1221) is fixedly arranged on the transmission shaft (1211), and the fixed ring (1221) is positioned above the brake ring (1225); the fixed ring (1221) is hinged to a first end of the first centrifugal rod (1222), a second end of the first centrifugal rod (1222) is hinged to an upper end of the centrifugal pendulum (1224), a lower end of the centrifugal pendulum (1224) is hinged to a first end of the second centrifugal rod (1223), and a second end of the second centrifugal rod (1223) is hinged to the brake disc (1226);
the brake disc (1226) is slidably sleeved on the transmission shaft (1211) and is capable of moving upwards into frictional contact with the brake ring (1225).
4. A power generation device according to claim 3, wherein the brake disc (1226) has a sleeve (1226 a) and a stopper (1226 b), the sleeve (1226 a) being slidably fitted over the drive shaft (1211) and being hinged to the second end of the second centrifugal rod (1223); the limiting part (1226 b) is arranged on the outer wall of the sleeve (1226 a) and can be clamped at the braking ring (1225) when the braking disc (1226) ascends along the transmission shaft (1211).
5. The power generation device according to claim 4, wherein the limiting portion (1226 b) is a circular ring provided at a bottom end port of the sleeve (1226 a), and an outer diameter of the circular ring is larger than a diameter of the sleeve (1226 a) and an inner diameter of the brake ring (1225).
6. The power generation apparatus of claim 1, wherein the power generation assembly (123) comprises a main gear (1231), a generator body (1232), and a motor gear (1233);
the number of the generator main bodies (1232) is four, the diameter of the main gear (1231) is four times that of the motor gear (1233), the main gear (1231) is connected to the bottom end of the transmission shaft (1211), the number of the motor gears (1233) is four, each motor gear (1233) is connected with a rotor shaft of the generator main body (1232), the four generator main bodies (1232) are uniformly arranged around the main gear (1231), and the main gear (1231) is simultaneously meshed with the four motor gears (1233).
7. The power generation device according to claim 1, characterized in that the top of the metal outer frame (13) is further provided with a top photovoltaic panel (133).
8. A wall body for a power generation device according to any one of claims 1 to 7, comprising a matched parapet wall (2) arranged on a roof, wherein a plurality of power generation devices are arranged on the matched parapet wall (2) side by side to form a combined parapet wall.
9. The wall body according to claim 8, wherein the matched parapet (2) is provided with a pre-buried connecting piece (23), the bottom of the metal outer frame (13) is provided with a parapet connecting anchor point (137), and the parapet connecting anchor point (137) is fixedly connected with the pre-buried connecting piece (23);
the bottom of the metal outer frame (13) is provided with a bottom bracket (139), the bottom bracket (139) is fixed on a bottom plate of the metal outer frame (13), one side of the bottom plate transversely exceeds the bottom bracket (139), the height of the bottom bracket (139) is equal to the height of a wall body of the matched parapet (2), and the part of the bottom plate transversely exceeding the bottom bracket (139) is fixedly connected with the top surface of the matched parapet (2).
10. A building, comprising:
roof covering;
the wall of claim 9, disposed on said roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202311755735.0A CN117605615A (en) | 2023-12-20 | 2023-12-20 | Power generation device, wall body using same and building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311755735.0A CN117605615A (en) | 2023-12-20 | 2023-12-20 | Power generation device, wall body using same and building |
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