CN117605614A - Wind driven generator, power generation device and wind-light power generation wall - Google Patents
Wind driven generator, power generation device and wind-light power generation wall Download PDFInfo
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- CN117605614A CN117605614A CN202311755734.6A CN202311755734A CN117605614A CN 117605614 A CN117605614 A CN 117605614A CN 202311755734 A CN202311755734 A CN 202311755734A CN 117605614 A CN117605614 A CN 117605614A
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- transmission shaft
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- 238000010248 power generation Methods 0.000 title claims abstract description 114
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 11
- 230000002829 reductive effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000670 limiting effect Effects 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000002427 irreversible effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229910001192 SAE 1211 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009434 installation Methods 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
- 230000002035 prolonged effect Effects 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
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
-
- 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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- 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
- F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/06—Controlling wind motors the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
-
- 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
-
- 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
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/20—Supporting structures directly fixed to an immovable object
- H02S20/22—Supporting structures directly fixed to an immovable object specially adapted for buildings
- H02S20/23—Supporting structures directly fixed to an immovable object specially adapted for buildings specially adapted for roof structures
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Wind Motors (AREA)
Abstract
The application relates to a wind driven generator, a power generation device and a wind-light power generation wall body, wherein the wind driven generator comprises a power assembly, a braking assembly, a power assembly, a battery assembly and a control assembly, the power assembly comprises a transmission shaft and a plurality of stainless steel blades arranged on the upper part of the transmission shaft, and the upper part of the transmission shaft is rotatably arranged in a central pipeline of a venturi tube; the brake component 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; the battery assembly is configured to store electrical energy generated by the power generation assembly; the control assembly is configured to control the operational operation of the generator. The power generation device comprises a generator, a venturi tube and a metal outer frame. The wind-light power generation wall body is provided with a power generation device on a matched parapet wall. 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 wind driven generator, a power generation device and a wind-light power generation wall body.
Background
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 capable of efficiently utilizing the roof wind power resources of the building results in low utilization rate of the roof wind power resources of the middle and high-rise buildings. In addition, because the wind speed in the high altitude is large, the existing wind driven generator can cause irreversible damage to power generation equipment under the condition of overlarge wind speed or other extreme working conditions.
Disclosure of Invention
In view of the above analysis, the embodiments of the present invention aim to provide a wind turbine, a power generation device and a wind-light power generation wall, which are used for solving at least one of the above technical problems existing in the prior art.
The purpose of the invention is realized in the following way:
in a first aspect, there is provided a wind power generator comprising:
the power assembly comprises a transmission shaft and a plurality of stainless steel blades arranged at the upper part of the transmission shaft, the upper part of the transmission shaft is rotatably arranged in a central pipeline of the Venturi tube, and the axis of the transmission shaft is vertical to the central line of the central pipeline;
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;
a battery assembly configured to store electric energy generated by the power generation assembly;
and a control assembly configured to control the operational operation of the generator.
Further, the battery assembly includes a number of ternary lithium battery packs.
Further, the control assembly comprises a power generation controller and a rotation speed sensor; the power generation controller is configured to monitor charge and discharge conditions of the battery assembly and monitor real-time output power of the generator; the rotational speed sensor is configured to monitor a real-time rotational speed of a drive shaft of the generator and transmit a monitored rotational speed signal to the power generation controller.
Further, the power assembly further comprises a plurality of ABS blades, 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 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.
In a second aspect, there is provided a power generation device comprising the wind power generator provided in the first aspect, and a venturi tube and a metal outer frame; the metal outer frame comprises a rectangular cylinder with two open ends, the venturi tube is arranged in the rectangular cylinder, and an air inlet and an air outlet of the venturi tube are respectively opened towards the two open ends of the rectangular cylinder; the venturi tube comprises an air inlet, an air outlet and a central pipeline positioned between the air inlet and the air outlet; the stainless steel blade of the generator and the upper part of the transmission shaft are positioned in the central pipeline, and the second part of the generator is positioned in the space between the outer wall of the venturi tube and the metal outer frame.
Further, an access hole is formed in the top plate of the rectangular cylinder body of the metal outer frame.
Further, the metal outer frame also comprises a top photovoltaic plate and a top photovoltaic support, wherein the top photovoltaic plate is obliquely arranged above the rectangular cylinder body through the top photovoltaic support, the top photovoltaic support has a lightning receiving function, and is connected with a building lightning protection facility through the metal frame.
In a third aspect, a wind-solar power generation wall is provided, including the power generation device provided in the second aspect, and a matched parapet, where the power generation device is arranged on the matched parapet; the matched parapet comprises a wall body, a drainage channel is arranged on the side wall of the wall body, a downpipe is arranged on the outer side of the wall body, and the drainage channel is configured to drain rainwater on a roof to the downpipe.
Compared with the prior art, the invention has at least one of the following beneficial effects:
a) According to the wind driven generator provided by the invention, the braking component is arranged, so that irreversible damage to equipment caused by overlarge wind speed or other extreme working conditions can be avoided, the wind driven generator can still normally work when the wind power at the top of a medium-high-rise building is large, the working reliability of the generator is ensured, and the service life of the generator is prolonged.
b) According to the power generation device provided by the invention, the top photovoltaic plates are obliquely arranged, the windward side is obliquely upwards, wind can be guided to flow upwards, and air flows to the upper part 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 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.
c) According to the wind-solar power generation wall, the plurality of power generation devices are arranged on the matched parapet wall, the power generation devices activate roof wind power resources by utilizing the Venturi effect, wind energy of a building roof is converted into electric energy, high-efficiency utilization of the wind energy of the building is achieved, the airflow splitting effect of the roof is weakened, wind suction caused by high wind speed is reduced, and the roof photovoltaic laying difficulty is remarkably reduced.
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 structural diagram of a wind driven generator provided by the invention.
Fig. 2 is a schematic cross-sectional structure of a brake assembly and a power generation assembly of a wind turbine according to the present invention.
Fig. 3 is a schematic structural diagram of a brake assembly of a wind driven generator provided by the invention.
Fig. 4 is a top view of a brake assembly of a wind turbine provided by the invention.
Fig. 5 is a schematic structural diagram of a power generation assembly of a wind turbine according to the present invention.
Fig. 6 is a schematic structural view of a venturi of a wind driven generator according to the present invention.
Fig. 7 is a schematic cross-sectional view of a power generation device according to the present invention.
Fig. 8 is a schematic structural diagram of a power generation device provided by the invention.
Fig. 9 is a side view of a power generation device provided by the present invention.
Fig. 10 is a schematic diagram of a disassembled structure of a power generation device provided by the invention.
Fig. 11 is a schematic diagram of a partial cross-sectional structure of a wind-solar power generation wall body provided by the invention.
Fig. 12 is a partial schematic view of a building roof upon which the power generation device of the present invention is installed.
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.
Example 1
In one embodiment of the present invention, a wind power generator, hereinafter referred to as generator 12, is disclosed that can be used in medium and high rise buildings, such as residential buildings, non-single-storey buildings, warehouses and other civil buildings, having a height of greater than 24 m.
Referring to fig. 1-7, 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.
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.
The embodiment also discloses a power generation device, which is applied to a building roof, as shown in fig. 7 to 10, and comprises the wind-solar power generator, wherein the power generation device 1 further comprises a venturi tube 11 and a metal outer frame 13, the venturi tube 11 is fixedly arranged in the inner space of the metal outer frame 13, a first part of the power generator 12 is positioned in the venturi tube 11, and a second part of the power generator 12 is positioned in the space between the 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.
In this embodiment, the venturi tube 11 is made of stainless steel material, and has a smooth surface. The venturi 11 comprises an air inlet 111, an air outlet 112 and a central duct 113 between the air inlet 111 and the air outlet 112, the first part of the generator 12 being arranged in the central duct 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 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 order to facilitate the installation of the power generation device 1, 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 body 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. Further, a parapet connecting anchor point 137 is arranged at the bottom of the metal outer frame 13, a pre-buried connecting piece 23 is arranged on the matched parapet 2, and the parapet connecting anchor point 137 is fixedly connected with the pre-buried connecting piece 23.
Compared with the prior art, the wind-light generator and the power generation device provided by the embodiment can avoid irreversible damage to equipment under overlarge wind speed or other extreme working conditions by arranging the brake assembly, ensure that the wind-driven generator can still normally work when the wind power at the top of a medium-high-rise building is larger, ensure the working reliability of the generator and prolong the service life of the generator. 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 2
In another embodiment of the invention, a wind-light power generation wall body is disclosed, which is based on a parapet wall structure of a building roof and can efficiently utilize wind power resources of the building roof by utilizing Venturi effect.
As shown in fig. 11 to 12, the wind-solar power generation wall body comprises a matched parapet wall 2 arranged on a roof, a power generation device 1 is arranged on the matched parapet wall 2, and the power generation device 1 is configured to convert wind energy of the roof into electric energy; the parapet 2 comprises a wall 21, a drainage channel 24 is arranged on the side wall of the wall 21, a downpipe 25 is arranged on the outer side of the wall 21, the downpipe 25 is configured to receive rainwater falling from a top photovoltaic panel 133, and the drainage channel 24 is configured to drain roof rainwater to the downpipe 25.
In this embodiment, the height of the wall 21 is equal to the height of the bottom bracket 139; the embedded connector 23 is arranged on the top of the wall 21. 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.
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.
The power generation devices 1 are arranged on the matched parapet 2 side by side to form a combined parapet; and no gap exists between two adjacent power generation devices 1, and the two adjacent power generation devices 1 are connected through a power generation module serial-parallel connection interface 138.
The combined parapet wall lays photovoltaic power generation assembly in the space enclosed by the roof, the photovoltaic power generation assembly adopts roof distributed photovoltaic 3 and consists of a distributed photovoltaic array, and the photovoltaic power generation assembly is connected with the power generation device 1 through cables and is 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. Because 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.
The height of the photovoltaic power generation assembly is lower than that of the combined parapet. 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.
Compared with the prior art, the wind-solar power generation wall provided by the embodiment has at least one of the following beneficial effects:
1. by installing a plurality of power generation devices on the matched parapet wall, 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.
2. The wind energy of the building roof is converted into electric energy through the plurality of power generation devices, so that the roof wind speed is reduced, the airflow diversion effect of the roof is weakened, the wind suction force caused by high wind speed is reduced, the roof distributed photovoltaic is protected, and the roof photovoltaic laying difficulty is remarkably reduced.
3. 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.
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. A wind power generator, comprising:
a power assembly (121), wherein the power assembly (121) comprises a transmission shaft (1211) and a plurality of stainless steel blades (1212) arranged at the upper part of the transmission shaft (1211), the upper part of the transmission shaft (1211) is rotatably arranged in a central pipeline (113) of a venturi tube (11), and the axis of the transmission shaft (1211) is perpendicular to the central line of the central pipeline (113);
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;
a power generation assembly (123), wherein 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;
a battery assembly (124) configured to store electrical energy generated by the power generation assembly (123);
a control assembly (125) configured to control the operational operation of the generator (12).
2. The wind generator of claim 1, wherein the battery assembly (124) comprises a number of ternary lithium battery packs.
3. The wind power generator according to claim 1, wherein the control assembly (125) comprises a power generation controller and a rotational speed sensor;
the power generation controller is configured to monitor charge and discharge conditions of the battery assembly (124) and to monitor 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 to transmit a monitored rotational speed signal to a power generation controller.
4. The wind turbine of claim 1, wherein the power assembly (121) further comprises a plurality of ABS blades (1213), two ends of each 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).
5. The wind-powered generator of claim 1, wherein the brake assembly (122) comprises a housing, a stationary ring (1221), a first centrifugal lever (1222), a second centrifugal lever (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).
6. The wind generator according to claim 5, characterized in that 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. A power generation device, characterized by comprising a wind power generator as claimed in any one of claims 1 to 6, as well as a venturi tube (11) and a metal outer frame (13);
the metal outer frame (13) comprises a rectangular cylinder with two open ends, the venturi tube (11) is arranged in the rectangular cylinder, and an air inlet (111) and an air outlet (112) of the venturi tube (11) are respectively opened towards the two open ends of the rectangular cylinder;
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);
the stainless steel blades (1212) of the generator (12) and the upper part of the transmission shaft (1211) are located in the central pipeline (113), and the second part of the generator (12) is located in the space between the outer wall of the venturi tube (11) and the metal outer frame (13).
8. The power generation device according to claim 7, characterized in that an access opening (136) is provided in the top plate of the rectangular cylinder of the metal outer frame (13).
9. The power generation device according to claim 7, wherein the metal outer frame (13) further comprises a top photovoltaic panel (133) and a top photovoltaic bracket (134), the top photovoltaic panel (133) is obliquely arranged above the rectangular cylinder body through the top photovoltaic bracket (134), the top photovoltaic bracket (134) has a lightning receiving function, and the metal outer frame (13) is connected with a building lightning protection facility.
10. A wind-solar power generation wall body, characterized by comprising the power generation device according to any one of claims 7 to 9 and a matched parapet (2), wherein the power generation device is arranged on the matched parapet (2);
the matched parapet (2) comprises a wall body (21), a drainage channel (24) is formed in the side wall of the wall body (21), a downpipe (25) is arranged on the outer side of the wall body (21), and the drainage channel (24) is configured to drain rainwater on a roof to the downpipe (25).
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| CN202311755734.6A CN117605614B (en) | 2023-12-20 | 2023-12-20 | Wind driven generator, power generation device and wind-light power generation wall |
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| CN202311755734.6A CN117605614B (en) | 2023-12-20 | 2023-12-20 | Wind driven generator, power generation device and wind-light power generation wall |
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