CN213540624U - Building windmill cluster wind power generation device utilizing variable inertia disc - Google Patents

Building windmill cluster wind power generation device utilizing variable inertia disc Download PDF

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Publication number
CN213540624U
CN213540624U CN202022745949.8U CN202022745949U CN213540624U CN 213540624 U CN213540624 U CN 213540624U CN 202022745949 U CN202022745949 U CN 202022745949U CN 213540624 U CN213540624 U CN 213540624U
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China
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windmill
transmission shaft
electric energy
building
power generation
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Expired - Fee Related
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CN202022745949.8U
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Chinese (zh)
Inventor
魏舒怡
孙昭
张秀霞
储金全
杨来龙
肖其容
马浩哲
李晓英
郝健
邢东源
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North Minzu University
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North Minzu University
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/30—Wind power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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Abstract

The utility model relates to an utilize building windmill cluster wind power generation set of variable inertia dish sets up in the passageway of taking a breath export top of building, for the lighting system power supply of building, including being used for producing mechanical energy windmill electricity generation mechanism, being used for converting the mechanical energy that windmill electricity generation mechanism produced into electric energy transducer mechanism, transmission shaft, windmill electricity generation mechanism includes windmill cluster, variable inertia dish, the windmill cluster is fixed in the transmission shaft, the one end of transmission shaft with electric energy transducer mechanism's input is connected, and electric energy transducer mechanism's output is the lighting system power supply of building, variable inertia dish is fixed in the transmission shaft, and be located the windmill cluster with between the electric energy transducer mechanism. The power generation device can make full use of gas discharged from the building ventilation channel and external flowing wind to generate electric energy, makes progress for reasonable utilization of renewable resources, and saves electric energy of a power grid.

Description

Building windmill cluster wind power generation device utilizing variable inertia disc
Technical Field
The utility model relates to the technical field of, in particular to utilize building windmill cluster wind power generation set of variable inertia dish.
Background
With the continuous development of society, electric energy becomes an indispensable resource in our lives, the development of industry cannot be powered on, the business and the life cannot be powered on, and the electric energy not only brings light to our lives, but also provides basic guarantee for our lives. Certainly, the energy consumption of electric energy production can not be saved, the current non-renewable energy sources are gradually reduced along with the progress of industrialization and urbanization, moreover, the consumption of the traditional energy sources can cause great pollution to the ecological environment, under the situation, the clean and pollution-free wind energy can become one of important alternative energy sources in the future, and plays an important role in energy source supply.
The buildings in cities are developed to high levels nowadays, the high-rise buildings in various cities are scaled, and in the metropolis in high-rise forests, the roofs and the surroundings of the high-rise buildings often have high wind, which is very good wind energy, but no device for utilizing the wind is available at present.
In addition, for example, a high-rise building has twenty floors or so, and one floor has three to five households, so that one floor has nearly hundreds of households. Every household will constantly exhaust gas and be exhausted from the building roof through the ventilation channel, so a building will exhaust a large amount of gas every day, and the gas can also be converted into wind energy, but at present, no device can well utilize the wind energy.
A power generation device disclosed in patent publication No. CN209510521U entitled "a double-shaft transmission wind power generation device using a top exhaust duct of a high-rise building" is provided in a ventilation duct of a building, and reasonably uses air flow discharged from the high-rise building by wind power generation. However, since the power generation device is installed in the ventilation duct, the flowing wind outside the building cannot be used, and the inertia block used in the power generation device intelligently provides a compensation force for the exhaust blade by the generated inertia force, but the rotational speed of the exhaust blade cannot be adjusted, so that the utilization efficiency of the power generation device is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to make full use of the ventilation duct combustion gas of building and outside mobile wind produce the electric energy to adjust the rotational speed that produces the windmill electricity generation mechanism of mechanical energy, in order to improve the electricity generation utilization efficiency, provide an utilize variable inertia dish building windmill cluster wind power generation set.
In order to realize the purpose of the utility model, the embodiment of the utility model provides a following technical scheme:
a building windmill string wind power generation device utilizing a variable inertia disc is arranged above an outlet of a ventilation channel of a building to supply power to an illumination system of the building, a community and the like, and comprises a windmill power generation mechanism for generating mechanical energy, an electric energy conversion mechanism for converting the mechanical energy generated by the windmill power generation mechanism into the electric energy and a transmission shaft, wherein the windmill power generation mechanism comprises a windmill string and the variable inertia disc, the windmill string is fixed on the transmission shaft, one end of the transmission shaft is connected with an input end of the electric energy conversion mechanism, an output end of the electric energy conversion mechanism supplies power to the illumination system of the building, the variable inertia disc is fixed on the transmission shaft and is positioned between the windmill string and the electric energy conversion mechanism, and the variable inertia disc increases inertia along with the wind speed to adjust the rotating speed and simultaneously store more mechanical energy.
In the scheme, the windmill string of the windmill power generation mechanism generates mechanical energy after rotating by utilizing gas exhausted from the ventilation channel and external flowing wind, the generated mechanical energy drives the transmission shaft to rotate, so that the mechanical energy generated by the windmill power generation mechanism is transmitted to the electric energy conversion mechanism, and the electric energy conversion mechanism converts the mechanical energy into electric energy and supplies power for the lighting system of the building; the provision of a variable inertia disc also allows the rotational speed of the wind mill train to be adjusted while providing a compensating force to the wind mill train. The power generation device can utilize gas discharged from the building ventilation channel, and fully utilizes external flowing wind to generate electric energy, thereby making progress for reasonable utilization of renewable resources and saving electric energy of a power grid.
Furthermore, the variable inertia disk comprises an inner frame of a ring structure, an outer frame of the ring structure, a plurality of support rods and a plurality of sliding blocks, wherein the inner frame is arranged in the outer frame, and the support rods are respectively fixed between the inner frame and the outer frame and are respectively distributed along the radial direction; each sliding block is sleeved on each support rod and forms a sliding pair with the corresponding support rod, and the sliding blocks are used for moving along the support rods so as to change the rotational inertia of the variable inertia disc. When the wind speed is too high, the sliding block moves along the supporting rod, the rotational inertia of the variable inertia disc is increased to adjust the rotating speed, and more mechanical energy is stored at the same time.
In the scheme, when the gas discharged from the ventilation channel and the external flowing wind are weak, the variable inertia disc can prolong the rotation period of the windmill string due to the mechanical energy stored by the inertia force so as to compensate the rotation power of the windmill string, prolong the power generation period of the power generation device and improve the power generation efficiency. Meanwhile, when the rotating speed of the variable inertia disc is too high, the sliding block can slide to be close to the periphery of the variable inertia disc so as to reduce the rotating speed of the variable inertia disc and further reduce the rotating speed of the windmill string; when the rotation speed of the variable inertia disc is too slow, the sliding block can slide close to the inner periphery of the variable inertia disc to maintain the rotation speed of the variable inertia disc, so that the rotation speed of the windmill string is maintained, the rotation speed of the windmill string is adjustable, and the power generation utilization efficiency is improved.
Furthermore, the windmill string comprises a plurality of windmill blades, the windmill blades are respectively fixed on the transmission shaft above the ventilation channel opening, and the windmill blades are arranged towards the ventilation channel, so that the windmill string can absorb the roof wind which is not in the coming of years and can also absorb the air wind flowing from the ventilation channel.
Furthermore, the wind driven generator further comprises a speed increasing box, wherein the transmission shaft comprises a first transmission shaft and a second transmission shaft, the windmill string is fixed on the first transmission shaft, one end of the first transmission shaft is connected with the input end of the speed increasing box, and the variable inertia disc is arranged on the first transmission shaft between the windmill string and the speed increasing box; one end of the second transmission shaft is connected with the output end of the speed increasing box, and the other end of the second transmission shaft is connected with the input end of the electric energy conversion mechanism.
In the scheme, the windmill string rotates through airflow to drive the first transmission shaft to rotate, and then the speed increasing box is used for increasing the rotating speed of the second transmission shaft so as to improve the power generation efficiency.
Furthermore, the connecting part of the first transmission shaft and the input end of the speed increasing box is also sleeved with a wear-resistant ring sleeve, and the connecting part of one end of the second transmission shaft and the output end of the speed increasing box is also sleeved with a wear-resistant ring sleeve, so that the wear of the speed increasing box in the device is reduced, the service life of the speed increasing box is prolonged, and the reduction of the power generation efficiency caused by the friction between the speed increasing box and the transmission shaft is also reduced.
Furthermore, the electric energy conversion mechanism comprises a generator, a rectifier and an inverter, wherein the generator converts mechanical energy generated by rotation of the windmill strings into alternating current electric energy through a first transmission shaft and a second transmission shaft, the output end of the generator is connected with the input end of the rectifier, the output end of the rectifier is connected with the input end of the inverter, and the inverter supplies power for the output of a lighting system of a building.
In this embodiment, the generator is a single-shaft generator, which is easy to understand, or a double-shaft generator, and two sets of windmill power generation mechanisms and transmission shafts are required, and the two sets of windmill power generation mechanisms can be arranged above different outlets of the ventilation channel, so that the power generation amount is larger.
Furthermore, the electric energy conversion mechanism further comprises a super capacitor, the input end of the super capacitor is connected with the output end of the rectifier, the output end of the super capacitor is connected with the input end of the inverter, and the inverter supplies power for the output of the lighting system of the building.
Still further, a motor protective shell is arranged outside the generator.
Furthermore, the electric energy conversion mechanism further comprises a fixed support used for supporting the generator, the rectifier and the inverter.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the power generation device of the scheme uses the windmill power generation mechanism to not only utilize the gas discharged from the building ventilation channel, but also fully utilize the external flowing wind, when the gas discharged from the ventilation channel flows upwards and the external flowing wind exists, the airflow pushes the windmill string to rotate, so that the wind energy can be converted into mechanical energy, the mechanical energy is transmitted to the power generation conversion mechanism through the transmission shaft, and the power generation conversion mechanism converts the mechanical energy into electric energy which is used for supplying power to the lighting system of the building after internal AC-DC conversion;
the windmill cluster can also accelerate the rotation by utilizing flowing wind outside the building, and the windmill cluster can accelerate the rising of the airflow in the ventilation channel while rotating, thereby accelerating the speed of gas discharge.
(2) The generator of this scheme can use unipolar generator or biax generator, if use biax generator then set up windmill power generation mechanism respectively in the passageway export top of taking a breath of difference, can improve the generating efficiency, reduces the loss, practices thrift the cost.
(3) According to the scheme, the variable inertia disc is additionally arranged below the windmill string and used for storing partial mechanical energy, and when gas exhausted from the ventilation channel or wind flowing outside is weak, the variable inertia disc compensates the rotating force for the windmill string by using the mechanical energy stored by the variable inertia disc, so that the power generation period of the power generation device is prolonged, and the power generation efficiency is improved;
the variable inertia disc is also provided with a sliding block, and when the rotation speed of the windmill string is very high, the sliding block can be far away from the center of the variable inertia disc to control the speed of the windmill string to be reduced; when the wind is low, the slide block is close to the center to release mechanical energy to maintain the rotation of the windmill string.
(4) The output end of the generator is connected with the rectifier to convert the output alternating current electric energy into direct current electric energy, one part of the direct current electric energy is output to the super capacitor for storage, and the other part of the direct current electric energy is output to the inverter to be converted into alternating current and then supplies power for a lighting system of a building, so that the electric energy converted by renewable resources is fully utilized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a power generation device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of a power generation device according to an embodiment of the present invention;
fig. 3 is a schematic view of the structure of the windmill string of the present invention;
fig. 4 is a schematic view of the structure of the variable inertia disk of the present invention.
Description of the main elements
The wind turbine comprises a windmill string 11, a variable inertia disc 12, an inner frame 121, an outer frame 122, a support rod 123, a sliding block 124, a first transmission shaft (first transmission shaft I) 12, a wear-resistant ring sleeve 13, a speed increasing box (first speed increasing box I) 3, a second transmission shaft (second transmission shaft I) 4, a generator (double-shaft generator) 51, a rectifier 52, an inverter 53, a super capacitor 54, a motor protective shell 55, a fixed bracket 56, a ventilation channel 6 and an illumination system 7;
the second transmission shaft 21, the second speed increasing box 31 and the second transmission shaft 41.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Also, in the description of the present invention, the terms "first," "second," and the like are used solely for distinguishing between the descriptions and not necessarily for indicating or implying any actual such relationship or order between such entities or operations.
The utility model discloses a following technical scheme realizes, as shown in fig. 1, an utilize building windmill cluster wind power generation set of variable inertia dish sets up in 6 export tops of the passageway of taking a breath of building, for the lighting system power supply of building, including being used for producing mechanical energy windmill electricity generation mechanism, being used for converting the mechanical energy that windmill electricity generation mechanism produced into electric energy power conversion mechanism, transmission shaft, windmill electricity generation mechanism includes windmill cluster 11, variable inertia dish 12, windmill cluster 11 is fixed in the transmission shaft, the one end of transmission shaft with electric energy conversion mechanism's input is connected, variable inertia dish 12 is fixed in the transmission shaft, and be located windmill cluster 11 with between the electric energy conversion mechanism.
The windmill power generation mechanism is used for generating mechanical energy after rotating by utilizing gas exhausted from the ventilation channel 6 and external flowing wind, the generated mechanical energy drives the transmission shaft to rotate, and therefore the mechanical energy generated by the windmill power generation mechanism is transmitted to the electric energy conversion mechanism, and the electric energy conversion mechanism converts the mechanical energy into electric energy.
In detail, please refer to fig. 1 and 3, the windmill string 11 includes a plurality of windmill blades, the plurality of windmill blades are respectively fixed on the transmission shaft, and the windmill blades are arranged facing the ventilation channel. The transmission shafts comprise a first transmission shaft 2 and a second transmission shaft 4, the windmill string 11 is fixed on the first transmission shaft 2, one end of the first transmission shaft 2 is connected with the input end of the speed increasing box 3, and the variable inertia disc 12 is arranged on the first transmission shaft 2 between the windmill string 11 and the speed increasing box 3; one end of the second transmission shaft 4 is connected with the output end of the speed increasing box 3, and the other end of the second transmission shaft 4 is connected with the input end of the electric energy conversion mechanism. When the wind mill string 11 discharges gas or/and external flowing wind through the ventilation channel 6 to rotate, the first transmission shaft 2 is driven to rotate, so that mechanical energy is generated, the generated mechanical energy is transmitted to the speed increasing box 3, meanwhile, because the mechanical energy is stored in the variable inertia disc 12 by the inertia force, when the gas discharged from the ventilation channel or the external flowing wind is weak, the variable inertia disc 12 compensates the rotating power for the wind mill string 11 by using the mechanical energy stored by the variable inertia disc 12, the power generation period of the power generation device is prolonged, and the power generation efficiency is improved.
The connecting position of the input end of the first transmission shaft 2 and the speed increasing box 3 is also sleeved with a wear-resistant ring sleeve 13, and the connecting position of one end of the second transmission shaft 4 and the output end of the speed increasing box 3 is also sleeved with a wear-resistant ring sleeve, so that the wear of the speed increasing box in the device is reduced, the service life of the speed increasing box is prolonged, and the reduction of the power generation efficiency caused by the friction between the speed increasing box and the transmission shaft is also reduced.
Referring to fig. 4, the variable inertia disc 12 includes an inner frame 121 having a ring structure, an outer frame 122 having a ring structure, a plurality of support rods 123 and a plurality of sliders 124, the inner frame 121 is disposed in the outer frame 122, and the support rods 123 are respectively fixed between the inner frame 121 and the outer frame 122 and respectively distributed along a radial direction; each of the sliders 124 is respectively sleeved on each of the support rods 123 and forms a sliding pair with the corresponding support rod 123, and the sliders 124 are configured to move along the support rods 123 to change the rotational inertia of the variable inertia disc 12. When the speed of rotation of the wind mill train 11 is very fast, the slide block 124 will move away from the center of the variable inertia disc 12 to control the speed of the wind mill train 11 to slow down; when the wind is low, the slide 124 will be close to the center to release mechanical energy to maintain the windmill string 11 rotating.
With continued reference to fig. 1, the electric energy conversion mechanism includes a generator 51, a rectifier 52 and an inverter 53, one end of the second transmission shaft 4 is connected to the output end of the speed increasing box 3, the other end of the second transmission shaft 4 is connected to the input end of the generator 51, and the generator 51 converts the mechanical energy generated by the rotation of the plurality of wind mill strings 11 into ac electric energy through the first transmission shaft 2 and the second transmission shaft 4. The output end of the generator 51 is connected with the input end of the rectifier 52, the alternating current electric energy is converted into direct current electric energy through the rectifier 52, the output end of the rectifier 52 is respectively connected with the input ends of the inverter 53 and the super capacitor 54, a part of direct current electric energy is output to the super capacitor 54 to be stored, and the rest part of direct current electric energy is converted into alternating current through the inverter 53 and then is output to supply power for the lighting system 7 of the building.
When the windmill generator does not generate mechanical energy or generates weak mechanical energy, the direct current electric energy output stored in the super capacitor 54 is converted into alternating current through the inverter 53 to supply power for the lighting system 7 of the building. If the charge in the super capacitor 54 is sufficient, the rectifier 52 temporarily does not output power to the super capacitor 54.
Furthermore, a motor protective shell 55 is arranged outside the generator 51, and the motor protective shell 55 can prevent the generator 51 from being damaged or influenced by the gas discharged from the ventilation channel 6 and the flowing wind outside for a long time, so that the main body of the generator 51 in the device can be fully protected, and the service life of the power generation device can be prolonged.
The generator 51, the rectifier 52 and the inverter 53 are supported by a fixing bracket 56 to ensure the stability of the power conversion mechanism.
As another embodiment, it is easily understood that the generator is a dual shaft generator 51, and referring to fig. 2, the two wind turbine generators, the first transmission shaft, the second transmission shaft, and the speed increasing box are defined as a wind turbine generator first, a wind turbine generator second, a first transmission shaft first 2, a second transmission shaft first 4, a first transmission shaft second 21, a second transmission shaft second 41, a speed increasing box first 3, and a speed increasing box second 31, respectively.
As in the previous embodiment, the windmill power generation mechanism is sleeved on the first transmission shaft 2, one end of the first transmission shaft 2 is connected with the input end of the first speed increasing box 3, one end of the second transmission shaft 4 is connected with the output end of the first speed increasing box 3, and the other end of the second transmission shaft 4 is connected with the first input end of the double-shaft generator 51; similarly, the windmill power generation mechanism is sleeved on the first second transmission shaft 21, one end of the first second transmission shaft 21 is connected with the input end of the second speed increasing box 31, one end of the second transmission shaft 41 is connected with the output end of the second speed increasing box 31, and the other end of the second transmission shaft 41 is connected with the second input end of the double-shaft generator 51; other parts and connection methods are the same as those of the previous embodiment, and are not described herein. The double-shaft generator can be connected into two groups of windmill power generation mechanisms, so that the power generation energy is larger.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A building windmill cluster wind power generation device utilizing a variable inertia disc is arranged above an outlet of a ventilation channel of a building and supplies power to a lighting system of the building, and is characterized in that: the wind turbine power generation mechanism comprises a wind turbine power generation mechanism, an electric energy conversion mechanism and a transmission shaft, wherein the wind turbine power generation mechanism is used for generating mechanical energy, the electric energy conversion mechanism is used for converting the mechanical energy generated by the wind turbine power generation mechanism into electric energy, the wind turbine power generation mechanism comprises a wind turbine string and a variable inertia disc, the wind turbine string is fixed on the transmission shaft, one end of the transmission shaft is connected with the input end of the electric energy conversion mechanism, the output end of the electric energy conversion mechanism supplies power to a lighting system of a building, and the variable inertia disc is fixed on the.
2. The apparatus of claim 1, wherein: the variable inertia disc comprises an inner frame of an annular structure, an outer frame of the annular structure, a plurality of support rods and a plurality of sliding blocks, wherein the inner frame is arranged in the outer frame, and the support rods are respectively fixed between the inner frame and the outer frame and are respectively distributed along the radial direction; each sliding block is sleeved on each support rod and forms a sliding pair with the corresponding support rod, and the sliding blocks are used for moving along the support rods so as to change the rotational inertia of the variable inertia disc.
3. The apparatus of claim 1, wherein: the windmill string comprises a plurality of windmill blades, the windmill blades are respectively fixed on the transmission shaft, and the windmill blades are arranged towards the ventilation channel.
4. The apparatus of claim 1, wherein: the variable inertia disc is arranged on the first transmission shaft between the windmill string and the speed increasing box; one end of the second transmission shaft is connected with the output end of the speed increasing box, and the other end of the second transmission shaft is connected with the input end of the electric energy conversion mechanism.
5. The apparatus of claim 4, wherein: and a wear-resistant ring sleeve is further sleeved at the joint of the first transmission shaft and the input end of the speed increasing box.
6. The apparatus of claim 4, wherein: the electric energy conversion mechanism comprises a generator, a rectifier and an inverter, the other end of the second transmission shaft is connected with the input end of the generator, the output end of the generator is connected with the input end of the rectifier, the output end of the rectifier is connected with the input end of the inverter, and the inverter supplies power for the output of a lighting system of a building.
7. The apparatus of claim 6, wherein: the electric energy conversion mechanism further comprises a super capacitor, the input end of the super capacitor is connected with the output end of the rectifier, the output end of the super capacitor is connected with the input end of the inverter, and the inverter supplies power for the output of the lighting system of the building.
8. The apparatus of claim 6, wherein: the outside of the generator is also provided with a motor protective shell.
9. The apparatus according to any one of claims 6-8, wherein: the electric energy conversion mechanism further comprises a fixed support used for supporting the generator, the rectifier and the inverter.
CN202022745949.8U 2020-11-24 2020-11-24 Building windmill cluster wind power generation device utilizing variable inertia disc Expired - Fee Related CN213540624U (en)

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Application Number Priority Date Filing Date Title
CN202022745949.8U CN213540624U (en) 2020-11-24 2020-11-24 Building windmill cluster wind power generation device utilizing variable inertia disc

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Application Number Priority Date Filing Date Title
CN202022745949.8U CN213540624U (en) 2020-11-24 2020-11-24 Building windmill cluster wind power generation device utilizing variable inertia disc

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CN213540624U true CN213540624U (en) 2021-06-25

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