CN215566360U

CN215566360U - Wave energy power generation device based on arc permanent magnet motor

Info

Publication number: CN215566360U
Application number: CN202122002624.5U
Authority: CN
Inventors: 邵建伟
Original assignee: Institute Of Innovative Technology Wuhan University Hefei
Current assignee: Institute Of Innovative Technology Wuhan University Hefei
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a wave energy power generation device based on an arc-shaped permanent magnet motor, which comprises an arc-shaped motor body, a swinging assembly, a supporting assembly and a mass block, wherein the arc-shaped motor body comprises a motor shell, and the top end of the motor shell is provided with an encapsulation shell; the swing assembly is arranged at the top of the arc-shaped motor body and comprises a floater, the bottom end of the floater is fixedly connected with a swing rod, the bottom end of the swing rod is provided with a rotor, and the bottom end of the rotor is provided with a plurality of permanent magnets; the supporting assembly is arranged at the bottom end of the motor shell and comprises a motor support, and a damping plate is arranged at the bottom end of the motor support; the top of the mass block is provided with an anchor chain, and one end of the anchor chain is fixedly connected in the connecting component. The utility model has the beneficial effects that: the floater, the swing rod and the rotor are fixedly connected, the device is good in stability, the motor is directly driven to generate electricity, energy loss is almost avoided in the energy conversion process, and the electricity generation efficiency is high.

Description

Wave energy power generation device based on arc permanent magnet motor

Technical Field

The utility model relates to an arc-shaped generator based on wave energy, in particular to a wave energy power generation device based on an arc-shaped permanent magnet motor, and belongs to the technical field of wave energy power generation.

Background

The ocean contains huge energy, and with a series of problems and challenges faced by energy development of the current society and continuous exploration of the ocean by people, wave energy is one of the most main energy sources in the ocean energy, and the development and utilization of the wave energy become important ways for relieving energy problems.

The oscillating float type and the duck type directly drive the motor to generate electricity, so that the energy loss of gear transmission is saved, the efficiency is higher, but the oscillating float type and the duck type have the defects respectively; the former utilizes the vertical movement of a floater to generate electricity, and cannot utilize the wave force in the horizontal direction; the latter has complex structure, low stability, easy failure in actual operation and obviously reduced efficiency under irregular waves.

Most of the traditional wave power generation adopts the matching of a rotating motor and a hydraulic system, and the intermediate link usually passes through multiple transmission, so that the efficiency is not high; in addition, in the actual wave power generation application, the motor rotor does not need to rotate by 360 degrees to generate power, and only needs to swing around the axis in a certain specific angle range in a reciprocating manner; at present, although a stepping motor and a servo motor can intermittently reciprocate in a limited angle, the stepping motor is controlled by an electric pulse signal open loop, the speed is slow, and the efficiency is not high; the servo motor is controlled by an encoder pulse encoder, and has a complex mechanical structure, high price and difficulty in wide application.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a wave energy power generation device based on an arc-shaped permanent magnet motor.

The utility model achieves the above purpose through the following technical scheme, a wave energy power generation device based on an arc permanent magnet motor comprises:

the arc-shaped motor comprises an arc-shaped motor body, wherein the arc-shaped motor body comprises a motor shell, and an encapsulation shell is arranged at the top end of the motor shell;

the swing assembly is arranged at the top of the arc-shaped motor body and penetrates through the top end of the packaging shell, the swing assembly comprises a floater, the bottom end of the floater is fixedly connected with a swing rod, the bottom end of the swing rod is provided with a rotor, and the bottom end of the rotor is provided with a plurality of permanent magnets;

the supporting assembly is arranged at the bottom end of the motor shell and comprises a motor support, a damping plate is arranged at the bottom end of the motor support, and a connecting assembly is arranged at the top end of the damping plate;

the mass block, the top of mass block is provided with the anchor chain, wherein one end and the fixed connection of anchor chain are in coupling assembling.

Preferably, the motor support comprises two support rods, the top ends of the two support rods are fixedly connected with the bottom end of the motor shell, and the bottom ends of the two support rods are fixedly connected with the top end of the damping plate.

Preferably, the lever arm of pendulum rod, and the top that is located the encapsulation shell rotates to alternate and is connected with the rotation axis, be provided with two arc springs between the both sides limit of encapsulation shell bottom and the both ends of active cell.

Preferably, the inner wall of the motor shell is provided with a plurality of stators, and the top ends of the plurality of stators are provided with coils.

Preferably, coupling assembling is including connecting the lantern ring, connect the equal fixedly connected with mounting panel in front and the back of lantern ring bottom, two mounting holes have all been seted up on the top of mounting panel.

Preferably, the top of the connecting lantern ring is set to be a hollow ring, the bottom of the connecting lantern ring is set to be a rectangular block, the top end of the rectangular block is provided with a control sliding groove, and the inner walls of two sides of the bottom of the control sliding groove are provided with limiting sliding grooves.

Preferably, the control sliding chute is connected with a clamping and fixing rod in a sliding and inserting manner, the two sides of the bottom of the clamping and fixing rod are fixedly connected with limiting sliding blocks, and the limiting sliding blocks are respectively connected with the two limiting sliding chutes in a sliding and inserting manner.

Preferably, a supporting spring is arranged in the control chute, the bottom end of the supporting spring is fixedly connected with the inner wall of the bottom end of the control chute, and the top end of the supporting spring is fixedly connected with the bottom end of the clamping rod.

The utility model has the beneficial effects that:

firstly, the floater, the swing rod and the rotor are fixedly connected, the device has good stability, the motor is directly driven to generate electricity, almost no energy loss exists in the energy conversion process, and the generating efficiency is high.

The utility model utilizes the lever principle to act, the stroke of the motor rotor is smaller, and the whole power generation device has simpler structure and less material consumption under the same power generation power.

Drawings

FIG. 1 is a side view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection of the float and the pendulum rod of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic view of a coupling assembly of the present invention;

FIG. 5 is a cross-sectional view of the connection assembly of the present invention;

fig. 6 is a flow chart of the commutation process of the present invention.

In the figure: 1. a float; 2. a swing rod; 3. a rotating shaft; 4. a package housing; 5. a motor housing; 6. a motor bracket; 7. a damping plate; 8. an anchor chain; 9. a mass block; 10. a mover; 11. an arc-shaped spring; 12. a permanent magnet; 13. a stator; 14. a coil; 15. a connecting lantern ring; 1501. mounting a plate; 1502. controlling the chute; 1503. a support spring; 1504. a clamping rod; 1505. the slider is restrained.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, a wave energy power generation device based on an arc-shaped permanent magnet motor includes:

the arc-shaped motor comprises an arc-shaped motor body, wherein the arc-shaped motor body comprises a motor shell 5, and an encapsulation shell 4 is arranged at the top end of the motor shell 5;

the packaging shell 4 is movably connected with the swing rod 2 (the position of the rotating shaft 3) in a watertight manner, so that the corrosion of the inside of the motor by seawater or the seawater blocking the rotation of the motor can be avoided, the outer wall of the motor stator 13 is coated with corrosion-resistant materials, and the motor stator is connected with the damping plate 7 through the motor support 6, so that the whole device is fixed.

The inner wall of the motor shell 5 is provided with a plurality of stators 13, and the top ends of the plurality of stators 13 are provided with coils 14;

and the coil 14 is wound on an iron core column of the stator 13, is connected with a three-phase lead wire and is connected with the current conversion module to generate power.

The swinging assembly is arranged at the top of the arc-shaped motor body and penetrates through the top end of the packaging shell 4, the swinging assembly comprises a floater 1, the bottom end of the floater 1 is fixedly connected with a swinging rod 2, the bottom end of the swinging rod 2 is provided with a rotor 10, and the bottom end of the rotor 10 is provided with a plurality of permanent magnets 12;

the floater 1 is of a cam structure, the swing rod 2 is fixed by the rotating shaft 3, the swing rod 2 can rotate around a shaft, and the floater 1 is pushed by periodic waves to enable the swing rod 2 to swing left and right around the shaft to drive a rotor 10 part in an arc-shaped motor body connected with the bottom of the floater to do reciprocating motion within a certain angle range, so that power generation is completed;

the length between the rotating shaft 3 and the floater 1 is larger than the length between the rotating shaft 3 and the rotor 10, and can be adjusted according to actual needs, and by means of a lever principle, when the floater 1 is pushed by small waves, the rotor 10 can be driven to rotate around the rotating shaft 3 in a small stroke, so that power generation is completed;

in addition, the floater 1, the swing rod 2 and the rotor 10 are fixed into a whole and directly drive the arc-shaped motor body to generate power, and almost no energy loss exists in the power generation process.

The supporting assembly is arranged at the bottom end of the motor shell 5 and comprises a motor support 6, a damping plate 7 is arranged at the bottom end of the motor support 6, and a connecting assembly is arranged at the top end of the damping plate 7;

the damping plate 7 can reduce the vibration of the whole device, and is connected with a seabed mass block 9 through an anchor chain 8, so that the arc-shaped motor body can be kept almost still.

The motor bracket 6 comprises two support rods, the top ends of the two support rods are fixedly connected with the bottom end of the motor shell 5, and the bottom ends of the two support rods are fixedly connected with the top end of the damping plate 7;

the top of the mass block 9 is provided with an anchor chain 8, and one end of the anchor chain 8 is fixedly connected in the connecting component;

the floater 1 is connected with a rotor 10 in the arc-shaped motor body through a swing rod 2 fixed on the rotating shaft 3; the mass block 9 is connected with the damping plate 7, the motor bracket 6 and a stator 13 in the arc-shaped motor body through an anchor chain 8, so that the position of the arc-shaped motor body is kept stable;

the stator 13 and the rotor 10 are both semicircular in structure, the stator 13 is integrally sealed, and a layer of air gap is arranged between the rotor 10 and the stator 13 in the arc-shaped motor body and is not directly connected.

As a technical optimization scheme of the utility model, a lever arm of a swing rod 2 is rotatably and alternately connected with a rotating shaft 3 at the top of a packaging shell 4, and two arc-shaped springs 11 are arranged between two sides of the bottom end of the packaging shell 4 and two ends of a rotor 10;

the rotating shaft 3 is located at the circle center of the semi-circular arc-shaped motor main body, is fixed with the reserved hole of the swing rod 2 in a lubricating mode, and is a fulcrum of the rotor 10 inside the motor and the whole swing rod 2.

The two arc springs 11 may store excessive energy to prevent the mover 10 from colliding with the package housing 4.

As a technical optimization scheme of the utility model, the connecting assembly comprises a connecting lantern ring 15, the front and the back of the bottom of the connecting lantern ring 15 are fixedly connected with mounting plates 1501, and the top ends of the two mounting plates 1501 are respectively provided with two mounting holes;

the top of connecting the lantern ring 15 sets up to hollow ring, and the bottom sets up to the rectangular block, and control spout 1502 has been seted up on the top of rectangular block, and the restriction spout has all been seted up to the inner wall of control spout 1502 bottom both sides.

As a technical optimization scheme of the utility model, a clamping rod 1504 is slidably and alternately connected in a control sliding chute 1502, limiting sliding blocks 1505 are fixedly connected to two sides of the bottom of the clamping rod 1504, and the two limiting sliding blocks 1505 are respectively slidably and alternately connected with the two limiting sliding chutes;

a supporting spring 1503 is arranged in the control sliding chute 1502, the bottom end of the supporting spring 1503 is fixedly connected with the inner wall of the bottom end of the control sliding chute 1502, and the top end of the supporting spring 1503 is fixedly connected with the bottom end of the clamping rod 1504.

When the utility model is used, referring to fig. 1 to 5, the power generation comprises the following processes;

the first process is as follows: firstly, the floater 1 periodically swings under the push of sea waves;

and a second process: the floater 1 is driven by the rotating shaft 3 to swing through the swing rod 2, the bottom of the swing rod 2 drives the rotor 10 to periodically swing, and the rotor 10 drives the permanent magnet 12 to synchronously and periodically swing;

the third process: the permanent magnet 12 swings corresponding to the coil 14 below so that the coil 14 cuts the magnetic induction line to generate an induced current, thereby generating power.

Referring to fig. 6, the electricity generated by the electricity generating device is subsequently processed and used in the direction;

the induced current generated by the whole device is sequentially subjected to input filtering, rectification, inversion and output filtering, so that available electricity can be obtained, and the available electricity can be stored in a storage battery or input into a regional power grid through a step-up transformer for power supply.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a wave energy power generation facility based on arc permanent-magnet machine which characterized in that includes:

the arc-shaped motor comprises an arc-shaped motor body, wherein the arc-shaped motor body comprises a motor shell (5), and a packaging shell (4) is arranged at the top end of the motor shell (5);

the swing assembly is arranged at the top of the arc-shaped motor body and penetrates through the top end of the packaging shell (4), the swing assembly comprises a floater (1), the bottom end of the floater (1) is fixedly connected with a swing rod (2), the bottom end of the swing rod (2) is provided with a rotor (10), and the bottom end of the rotor (10) is provided with a plurality of permanent magnets (12);

the supporting assembly is arranged at the bottom end of the motor shell (5) and comprises a motor support (6), a damping plate (7) is arranged at the bottom end of the motor support (6), and a connecting assembly is arranged at the top end of the damping plate (7);

the mass block (9), the top of mass block (9) is provided with anchor chain (8), wherein one end and the fixed connection of anchor chain (8) are in the coupling assembling.

2. The wave energy power generation device based on the arc-shaped permanent magnet motor according to claim 1, characterized in that: the motor support (6) comprises two support rods, the top ends of the support rods are fixedly connected with the bottom end of the motor shell (5), and the bottom ends of the support rods are fixedly connected with the top end of the damping plate (7).

3. The wave energy power generation device based on the arc-shaped permanent magnet motor according to claim 1, characterized in that: the lever arm of pendulum rod (2), and the top that is located encapsulation shell (4) rotates to alternate and is connected with rotation axis (3), be provided with two arc spring (11) between the both sides limit of encapsulation shell (4) bottom and the both ends of active cell (10).

4. The wave energy power generation device based on the arc-shaped permanent magnet motor according to claim 1, characterized in that: the inner wall of the motor shell (5) is provided with a plurality of stators (13), and the top ends of the plurality of stators (13) are provided with coils (14).

5. The wave energy power generation device based on the arc-shaped permanent magnet motor according to claim 1, characterized in that: coupling assembling is including connecting lantern ring (15), connect the equal fixedly connected with mounting panel (1501) in front and the back of lantern ring (15) bottom, two mounting holes have all been seted up on the top of mounting panel (1501).

6. The wave energy power generation device based on the arc-shaped permanent magnet motor according to claim 5, characterized in that: the top of connecting lantern ring (15) sets up to hollow ring, and the bottom sets up to the rectangular block, control spout (1502) have been seted up on the top of rectangular block, the restriction spout has all been seted up to the inner wall of control spout (1502) bottom both sides.

7. The wave energy power generation device based on the arc-shaped permanent magnet motor according to claim 6, characterized in that: the clamping rod (1504) is connected in the control sliding groove (1502) in a sliding and inserting mode, limiting sliding blocks (1505) are fixedly connected to two sides of the bottom of the clamping rod (1504), and the two limiting sliding blocks (1505) are connected with the two limiting sliding grooves in a sliding and inserting mode respectively.

8. The wave energy power generation device based on the arc-shaped permanent magnet motor according to claim 6, characterized in that: a supporting spring (1503) is arranged in the control sliding groove (1502), the bottom end of the supporting spring (1503) is fixedly connected with the inner wall of the bottom end of the control sliding groove (1502), and the top end of the supporting spring (1503) is fixedly connected with the bottom end of the clamping rod (1504).