CN213151877U

CN213151877U - Lift linear generator based on wing profiles

Info

Publication number: CN213151877U
Application number: CN202021973903.5U
Authority: CN
Inventors: 廖鹏; 何运成; 傅继阳; 王雪
Original assignee: Guangzhou University
Current assignee: Guangzhou University
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-07
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a lift linear generator based on wing section mainly comprises stator, active cell and wing section module. The stator comprises a machine base, a coil and a magnetic core, wherein the machine base is arranged into a cylinder with a central through hole, the central through hole is used for accommodating a rotor, and the coil and the magnetic core are embedded in the machine base. The rotor comprises a sliding block and a connecting shaft, and the sliding block is at least partially arranged in a central through hole of the engine base. One end of the connecting shaft is fixedly connected with the sliding block, the wing-shaped module is rotatably connected with the other end of the connecting shaft, and the sliding block slides in the coil and the magnetic core to cut the magnetic induction line so as to generate electromotive force. This sustainable collection energy of lift linear generator based on airfoil can effectively utilize the wind energy in the environment to turn into this part wind energy electric energy, energy-concerving and environment-protective, and the device cost of manufacture is low, can make into miniature device, is applicable to windy and provide the inconvenient area of power throughout the year.

Description

Lift linear generator based on wing profiles

Technical Field

The utility model relates to a new forms of energy technical field, in particular to lift linear generator based on wing section.

Background

For energy collection with low power consumption, the field of interest has been for decades, and the collected energy can be applied to some small electronic products. Harvesting environmental energy is an effective way for portable and wireless electronic devices to sustain green power, particularly those devices that are expected to operate for long periods of time without human intervention. Batteries have been used as the primary power source device. However, billions of batteries produced annually are not sustainable, and disposal of the batteries after use can lead to serious environmental problems, the limited operating life of which can pose challenges to long-term autonomous operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift linear generator based on wing section is convenient for sustainable energy harvesting.

The utility model adopts the technical proposal that: an airfoil-based lift linear generator comprising:

the stator comprises a base, a coil and a magnetic core, wherein the base is provided with a cylinder with a central through hole, and the coil and the magnetic core are embedded in the base;

the rotor comprises a sliding block and a connecting shaft, wherein at least part of the sliding block is arranged in a central through hole of the base, and one end of the connecting shaft is fixedly connected with the sliding block;

and the wing-shaped module is rotationally connected with the other end of the connecting shaft and drives the sliding block to do reciprocating motion along the axial direction of the central through hole.

Has the advantages that: this lift linear generator based on wing section combines the mature wing section technique of development and the tubular linear power generation technique of space flight and aviation, and when the wind blows, because the upper surface of wing section module leads to the wind speed of upper and lower surface different with the different design of lower surface, produces pressure differential between the messenger upper and lower surface to drive wing section module and slide from top to bottom, thereby it produces the electromotive force to make the slider slide in coil and magnetic core and realize cutting magnetic induction line. This sustainable collection energy of lift linear generator based on airfoil can effectively utilize the wind energy in the environment to turn into this part wind energy electric energy, energy-concerving and environment-protective, and the device cost of manufacture is low, can make into miniature device, is applicable to windy and provide the inconvenient area of power throughout the year.

Further, a hollow cavity is arranged in the base body, and the coil and the magnetic core are arranged in the hollow cavity.

Furthermore, a cover plate is arranged at the top end port of the machine base, a spring is arranged in the central through hole, and the spring is fixedly connected with the cover plate.

Furthermore, a wind vane is arranged on the wing-shaped module, and faces the side face of the wing-shaped module.

Furthermore, a gap is arranged between the sliding block and the base.

Further, the slider is composed of at least one of a permanent magnet and a nonlinear magnetic material.

Further, the housing is made of an insulating material.

Further, the lift linear generator based on the wing profile further comprises a rectifier and a storage battery, the coil is externally connected with the rectifier, and the rectifier is connected with the storage battery.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a sectional view of the internal structure of the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, an embodiment of the present invention provides a lift linear generator based on an airfoil, which mainly comprises a stator, a rotor, and an airfoil module 4. The stator comprises a base 1, a coil and a magnetic core, wherein the base 1 is provided as a cylinder with a central through hole for accommodating a rotor. The rotor comprises a sliding block 2 and a connecting shaft 3, the sliding block 2 is at least partially arranged in a central through hole of the machine base 1, the coil and the magnetic core are embedded in the machine base 1, a reserved interval exists between the top surface of the sliding block 2 and the top surface of the machine base 1, and the sliding block 2 is ensured to move up and down in a reciprocating mode. The slider 2 is made of a material having magnetism, and the slider 2 slides in the coil and the magnetic core to cut the magnetic induction line to generate electromotive force. One end of the connecting shaft 3 is fixedly connected with the sliding block 2, the wing section module 4 is rotatably connected with the other end of the connecting shaft 3, and the wing section module 4 drives the sliding block 2 to do reciprocating motion along the axial direction of the central through hole. Specifically, the airfoil module 4 is configured to be in the shape of an airplane wing, and when wind blows, due to different designs of the upper surface and the lower surface of the airfoil module 4, the wind speeds of the upper surface and the lower surface are different, so that a pressure difference is generated between the upper surface and the lower surface, and the airfoil module 4 is driven to reciprocate up and down. Wind in the environment causes the airfoil to generate unstable lift force, and causes the sliding block 2 to slide back and forth along the axial direction of the central through hole, so that the magnetic flux of the device is further changed, and the coil generates current. The lift linear generator based on the wing profile combines the mature wing profile technology of aerospace development and the tubular linear power generation technology. This sustainable collection energy of lift linear generator based on airfoil can effectively utilize the wind energy in the environment to turn into this part wind energy electric energy, energy-concerving and environment-protective, and the device cost of manufacture is low, can make into miniature device, is applicable to windy and provide the inconvenient area of power throughout the year.

Preferably, a hollow cavity 11 is disposed in the housing 1, and the coil and the magnetic core are disposed in the hollow cavity 11. The coil, the magnetic core and the base 1 are arranged to be of an integral structure, and stability of the wing-shaped lift linear generator is improved.

Preferably, a cover plate 5 is installed at the top end port of the machine base 1, a spring 6 is installed in the central through hole, and the spring 6 is fixedly connected with the cover plate 5. The spring 6 is arranged at the top of the central through hole, when the slide block 2 moves upwards, the slide block 2 compresses the spring 6, when the lifting force provided by wind is equal to the sum of the reaction force of the compression of the spring 6, the gravity of the stator and the gravity of the wing module 4, the spring 6 stops compressing, when the wind stops or the wind speed is reduced, the spring 6 releases elastic potential energy, the slide block 2 moves downwards, and the slide block 2 reciprocates until the slide block stops. The spring 6 is arranged to accelerate the reciprocating motion process of the sliding block 2, the reciprocating times are improved, the variation of magnetic flux is improved, and the power generation efficiency of the wing-shaped lift linear generator is improved.

Preferably, the aerofoil module 4 is provided with a wind deflector 7, and the wind deflector 7 faces the side of the aerofoil module 4. In case of wind, the wind deflector 7 will make the front end of the wing profile face the incoming flow direction. Specifically, this wind vane 7 sets up to the trapezoidal plate that the transverse area is big, thickness is narrow, and the transverse area can increase the wind-force that wind vane 7 received greatly to make the stable quick pendulum of wind vane 7 flow direction, because transverse area is greater than the thickness area far away, wind vane 7 has significantly reduced the range of rocking from left to right, also can the fast switch when wind direction changes, has increased slider 2's stability, has improved the generating efficiency.

Preferably, a gap is provided between the sliding block 2 and the base 1. The sliding between the sliding block 2 and the machine base 1 is avoided to generate friction force, the conversion rate of wind power is improved, and the lift force is avoided to overcome useless work. Thereby increasing the up-and-down reciprocating amplitude of the slide block 2 and increasing the generating capacity.

Preferably, the slider 2 is composed of at least one of a permanent magnet and a nonlinear magnetic material. The variety of the slider 2 is increased.

Preferably, the housing 1 is made of an insulating material. The base 1 is good in insulation, corrosion resistance and fatigue resistance, and interference of the outside to the wing-shaped lift linear generator is reduced.

Preferably, the wing-based lift linear generator further comprises a rectifier and a storage battery, the coil is externally connected with the rectifier, and the rectifier is connected with the storage battery. The slider 2 reciprocates up and down to change the magnetic flux of the wing-shaped lift linear generator, the coil generates current, and the current is rectified by the rectifier and directly input to the sensor or stored by the storage battery.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A lift linear generator based on airfoils, comprising:

2. The airfoil-based lift linear generator of claim 1, wherein: a hollow cavity is arranged in the machine seat body, and the coil and the magnetic core are arranged in the hollow cavity.

3. The airfoil-based lift linear generator of claim 1, wherein: the top end port of the engine base is provided with a cover plate, a spring is arranged in the central through hole, and the spring is fixedly connected with the cover plate.

4. The airfoil-based lift linear generator of claim 1, wherein: the wing-shaped module is provided with a wind vane, and the wind vane faces the side face of the wing-shaped module.

5. The airfoil-based lift linear generator of claim 1, wherein: a gap is arranged between the sliding block and the base.

6. The airfoil-based lift linear generator of claim 1, wherein: the slider is composed of at least one of a permanent magnet and a non-linear magnetic material.

7. The airfoil-based lift linear generator of claim 1, wherein: the base is made of an insulating material.

8. The airfoil-based lift linear generator as claimed in any one of claims 1 to 7, wherein: the lifting force linear generator based on the wing profile further comprises a rectifier and a storage battery, the coil is externally connected with the rectifier, and the rectifier is connected with the storage battery.